diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d2f080c907d86a8186fe04b5602238a9a314194d..26064c8ebda7684f8a52d313ded0b7f64a0c0306 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -205,6 +205,19 @@ set(common_SRCS
itemdef.cpp
nodedef.cpp
object_properties.cpp
+ scriptapi_types.cpp
+ scriptapi_common.cpp
+ scriptapi_content.cpp
+ scriptapi_craft.cpp
+ scriptapi_node.cpp
+ scriptapi_item.cpp
+ scriptapi_env.cpp
+ scriptapi_nodetimer.cpp
+ scriptapi_noise.cpp
+ scriptapi_entity.cpp
+ scriptapi_object.cpp
+ scriptapi_nodemeta.cpp
+ scriptapi_inventory.cpp
scriptapi.cpp
script.cpp
log.cpp
diff --git a/src/scriptapi.cpp b/src/scriptapi.cpp
index 7aa148fd637883c8354ee762db50cfbc468fa25d..ef8a1454a4689b7e36b71419a1d2f8dc2e41c1a5 100644
--- a/src/scriptapi.cpp
+++ b/src/scriptapi.cpp
@@ -27,89 +27,27 @@ extern "C" {
#include <lauxlib.h>
}
-#include "log.h"
-#include "server.h"
-#include "porting.h"
-#include "filesys.h"
-#include "serverobject.h"
-#include "script.h"
-#include "object_properties.h"
-#include "content_sao.h" // For LuaEntitySAO and PlayerSAO
-#include "itemdef.h"
-#include "nodedef.h"
-#include "biome.h"
-#include "craftdef.h"
-#include "main.h" // For g_settings
#include "settings.h" // For accessing g_settings
-#include "nodemetadata.h"
-#include "mapblock.h" // For getNodeBlockPos
-#include "content_nodemeta.h"
-#include "tool.h"
-#include "daynightratio.h"
-#include "noise.h" // PseudoRandom for LuaPseudoRandom
-#include "util/pointedthing.h"
+#include "main.h" // For g_settings
+#include "biome.h"
+#include "script.h"
#include "rollback.h"
-#include "treegen.h"
-
-static void stackDump(lua_State *L, std::ostream &o)
-{
- int i;
- int top = lua_gettop(L);
- for (i = 1; i <= top; i++) { /* repeat for each level */
- int t = lua_type(L, i);
- switch (t) {
-
- case LUA_TSTRING: /* strings */
- o<<"\""<<lua_tostring(L, i)<<"\"";
- break;
-
- case LUA_TBOOLEAN: /* booleans */
- o<<(lua_toboolean(L, i) ? "true" : "false");
- break;
-
- case LUA_TNUMBER: /* numbers */ {
- char buf[10];
- snprintf(buf, 10, "%g", lua_tonumber(L, i));
- o<<buf;
- break; }
-
- default: /* other values */
- o<<lua_typename(L, t);
- break;
-
- }
- o<<" ";
- }
- o<<std::endl;
-}
-
-static void realitycheck(lua_State *L)
-{
- int top = lua_gettop(L);
- if(top >= 30){
- dstream<<"Stack is over 30:"<<std::endl;
- stackDump(L, dstream);
- script_error(L, "Stack is over 30 (reality check)");
- }
-}
-class StackUnroller
-{
-private:
- lua_State *m_lua;
- int m_original_top;
-public:
- StackUnroller(lua_State *L):
- m_lua(L),
- m_original_top(-1)
- {
- m_original_top = lua_gettop(m_lua); // store stack height
- }
- ~StackUnroller()
- {
- lua_settop(m_lua, m_original_top); // restore stack height
- }
-};
+#include "scriptapi_types.h"
+#include "scriptapi_env.h"
+#include "scriptapi_nodetimer.h"
+#include "scriptapi_inventory.h"
+#include "scriptapi_nodemeta.h"
+#include "scriptapi_object.h"
+#include "scriptapi_noise.h"
+#include "scriptapi_common.h"
+#include "scriptapi_item.h"
+#include "scriptapi_content.h"
+#include "scriptapi_craft.h"
+
+/*****************************************************************************/
+/* Mod related */
+/*****************************************************************************/
class ModNameStorer
{
@@ -131,311 +69,167 @@ class ModNameStorer
}
};
-/*
- Getters for stuff in main tables
-*/
-
-static Server* get_server(lua_State *L)
-{
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- lua_pop(L, 1);
- return server;
-}
-
-static ServerEnvironment* get_env(lua_State *L)
-{
- // Get environment from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_env");
- ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
- lua_pop(L, 1);
- return env;
-}
-
-static void objectref_get(lua_State *L, u16 id)
+bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
+ const std::string &modname)
{
- // Get minetest.object_refs[i]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id);
- lua_gettable(L, -2);
- lua_remove(L, -2); // object_refs
- lua_remove(L, -2); // minetest
-}
+ ModNameStorer modnamestorer(L, modname);
-static void luaentity_get(lua_State *L, u16 id)
-{
- // Get minetest.luaentities[i]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "luaentities");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id);
- lua_gettable(L, -2);
- lua_remove(L, -2); // luaentities
- lua_remove(L, -2); // minetest
-}
+ if(!string_allowed(modname, "abcdefghijklmnopqrstuvwxyz"
+ "0123456789_")){
+ errorstream<<"Error loading mod \""<<modname
+ <<"\": modname does not follow naming conventions: "
+ <<"Only chararacters [a-z0-9_] are allowed."<<std::endl;
+ return false;
+ }
-/*
- Table field getters
-*/
+ bool success = false;
-static bool getstringfield(lua_State *L, int table,
- const char *fieldname, std::string &result)
-{
- lua_getfield(L, table, fieldname);
- bool got = false;
- if(lua_isstring(L, -1)){
- size_t len = 0;
- const char *ptr = lua_tolstring(L, -1, &len);
- result.assign(ptr, len);
- got = true;
+ try{
+ success = script_load(L, scriptpath.c_str());
}
- lua_pop(L, 1);
- return got;
-}
-
-static bool getintfield(lua_State *L, int table,
- const char *fieldname, int &result)
-{
- lua_getfield(L, table, fieldname);
- bool got = false;
- if(lua_isnumber(L, -1)){
- result = lua_tonumber(L, -1);
- got = true;
+ catch(LuaError &e){
+ errorstream<<"Error loading mod \""<<modname
+ <<"\": "<<e.what()<<std::endl;
}
- lua_pop(L, 1);
- return got;
-}
-static bool getfloatfield(lua_State *L, int table,
- const char *fieldname, float &result)
-{
- lua_getfield(L, table, fieldname);
- bool got = false;
- if(lua_isnumber(L, -1)){
- result = lua_tonumber(L, -1);
- got = true;
- }
- lua_pop(L, 1);
- return got;
+ return success;
}
-static bool getboolfield(lua_State *L, int table,
- const char *fieldname, bool &result)
-{
- lua_getfield(L, table, fieldname);
- bool got = false;
- if(lua_isboolean(L, -1)){
- result = lua_toboolean(L, -1);
- got = true;
- }
- lua_pop(L, 1);
- return got;
-}
-static std::string checkstringfield(lua_State *L, int table,
- const char *fieldname)
-{
- lua_getfield(L, table, fieldname);
- std::string s = luaL_checkstring(L, -1);
- lua_pop(L, 1);
- return s;
-}
+/*****************************************************************************/
+/* Auth */
+/*****************************************************************************/
-static std::string getstringfield_default(lua_State *L, int table,
- const char *fieldname, const std::string &default_)
+/*
+ Privileges
+*/
+static void read_privileges(lua_State *L, int index,
+ std::set<std::string> &result)
{
- std::string result = default_;
- getstringfield(L, table, fieldname, result);
- return result;
+ result.clear();
+ lua_pushnil(L);
+ if(index < 0)
+ index -= 1;
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ std::string key = luaL_checkstring(L, -2);
+ bool value = lua_toboolean(L, -1);
+ if(value)
+ result.insert(key);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
}
-static int getintfield_default(lua_State *L, int table,
- const char *fieldname, int default_)
+static void get_auth_handler(lua_State *L)
{
- int result = default_;
- getintfield(L, table, fieldname, result);
- return result;
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_auth_handler");
+ if(lua_isnil(L, -1)){
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "builtin_auth_handler");
+ }
+ if(lua_type(L, -1) != LUA_TTABLE)
+ throw LuaError(L, "Authentication handler table not valid");
}
-static float getfloatfield_default(lua_State *L, int table,
- const char *fieldname, float default_)
+bool scriptapi_get_auth(lua_State *L, const std::string &playername,
+ std::string *dst_password, std::set<std::string> *dst_privs)
{
- float result = default_;
- getfloatfield(L, table, fieldname, result);
- return result;
-}
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
-static bool getboolfield_default(lua_State *L, int table,
- const char *fieldname, bool default_)
-{
- bool result = default_;
- getboolfield(L, table, fieldname, result);
- return result;
-}
+ get_auth_handler(L);
+ lua_getfield(L, -1, "get_auth");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing get_auth");
+ lua_pushstring(L, playername.c_str());
+ if(lua_pcall(L, 1, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
-struct EnumString
-{
- int num;
- const char *str;
-};
+ // nil = login not allowed
+ if(lua_isnil(L, -1))
+ return false;
+ luaL_checktype(L, -1, LUA_TTABLE);
-static bool string_to_enum(const EnumString *spec, int &result,
- const std::string &str)
-{
- const EnumString *esp = spec;
- while(esp->str){
- if(str == std::string(esp->str)){
- result = esp->num;
- return true;
- }
- esp++;
- }
- return false;
-}
+ std::string password;
+ bool found = getstringfield(L, -1, "password", password);
+ if(!found)
+ throw LuaError(L, "Authentication handler didn't return password");
+ if(dst_password)
+ *dst_password = password;
-/*static bool enum_to_string(const EnumString *spec, std::string &result,
- int num)
-{
- const EnumString *esp = spec;
- while(esp){
- if(num == esp->num){
- result = esp->str;
- return true;
- }
- esp++;
- }
- return false;
-}*/
+ lua_getfield(L, -1, "privileges");
+ if(!lua_istable(L, -1))
+ throw LuaError(L,
+ "Authentication handler didn't return privilege table");
+ if(dst_privs)
+ read_privileges(L, -1, *dst_privs);
+ lua_pop(L, 1);
-static int getenumfield(lua_State *L, int table,
- const char *fieldname, const EnumString *spec, int default_)
-{
- int result = default_;
- string_to_enum(spec, result,
- getstringfield_default(L, table, fieldname, ""));
- return result;
+ return true;
}
-static void setintfield(lua_State *L, int table,
- const char *fieldname, int value)
+void scriptapi_create_auth(lua_State *L, const std::string &playername,
+ const std::string &password)
{
- lua_pushinteger(L, value);
- if(table < 0)
- table -= 1;
- lua_setfield(L, table, fieldname);
-}
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
-static void setfloatfield(lua_State *L, int table,
- const char *fieldname, float value)
-{
- lua_pushnumber(L, value);
- if(table < 0)
- table -= 1;
- lua_setfield(L, table, fieldname);
+ get_auth_handler(L);
+ lua_getfield(L, -1, "create_auth");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing create_auth");
+ lua_pushstring(L, playername.c_str());
+ lua_pushstring(L, password.c_str());
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
}
-static void setboolfield(lua_State *L, int table,
- const char *fieldname, bool value)
+bool scriptapi_set_password(lua_State *L, const std::string &playername,
+ const std::string &password)
{
- lua_pushboolean(L, value);
- if(table < 0)
- table -= 1;
- lua_setfield(L, table, fieldname);
-}
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
-static void warn_if_field_exists(lua_State *L, int table,
- const char *fieldname, const std::string &message)
-{
- lua_getfield(L, table, fieldname);
- if(!lua_isnil(L, -1)){
- infostream<<script_get_backtrace(L)<<std::endl;
- infostream<<"WARNING: field \""<<fieldname<<"\": "
- <<message<<std::endl;
- }
- lua_pop(L, 1);
+ get_auth_handler(L);
+ lua_getfield(L, -1, "set_password");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing set_password");
+ lua_pushstring(L, playername.c_str());
+ lua_pushstring(L, password.c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return lua_toboolean(L, -1);
}
+/*****************************************************************************/
+/* Misc */
+/*****************************************************************************/
/*
- EnumString definitions
+ Groups
*/
-
-struct EnumString es_ItemType[] =
-{
- {ITEM_NONE, "none"},
- {ITEM_NODE, "node"},
- {ITEM_CRAFT, "craft"},
- {ITEM_TOOL, "tool"},
- {0, NULL},
-};
-
-struct EnumString es_DrawType[] =
-{
- {NDT_NORMAL, "normal"},
- {NDT_AIRLIKE, "airlike"},
- {NDT_LIQUID, "liquid"},
- {NDT_FLOWINGLIQUID, "flowingliquid"},
- {NDT_GLASSLIKE, "glasslike"},
- {NDT_ALLFACES, "allfaces"},
- {NDT_ALLFACES_OPTIONAL, "allfaces_optional"},
- {NDT_TORCHLIKE, "torchlike"},
- {NDT_SIGNLIKE, "signlike"},
- {NDT_PLANTLIKE, "plantlike"},
- {NDT_FENCELIKE, "fencelike"},
- {NDT_RAILLIKE, "raillike"},
- {NDT_NODEBOX, "nodebox"},
- {0, NULL},
-};
-
-struct EnumString es_ContentParamType[] =
-{
- {CPT_NONE, "none"},
- {CPT_LIGHT, "light"},
- {0, NULL},
-};
-
-struct EnumString es_ContentParamType2[] =
-{
- {CPT2_NONE, "none"},
- {CPT2_FULL, "full"},
- {CPT2_FLOWINGLIQUID, "flowingliquid"},
- {CPT2_FACEDIR, "facedir"},
- {CPT2_WALLMOUNTED, "wallmounted"},
- {0, NULL},
-};
-
-struct EnumString es_LiquidType[] =
-{
- {LIQUID_NONE, "none"},
- {LIQUID_FLOWING, "flowing"},
- {LIQUID_SOURCE, "source"},
- {0, NULL},
-};
-
-struct EnumString es_NodeBoxType[] =
-{
- {NODEBOX_REGULAR, "regular"},
- {NODEBOX_FIXED, "fixed"},
- {NODEBOX_WALLMOUNTED, "wallmounted"},
- {0, NULL},
-};
-
-struct EnumString es_CraftMethod[] =
-{
- {CRAFT_METHOD_NORMAL, "normal"},
- {CRAFT_METHOD_COOKING, "cooking"},
- {CRAFT_METHOD_FUEL, "fuel"},
- {0, NULL},
-};
-
-struct EnumString es_TileAnimationType[] =
+void read_groups(lua_State *L, int index,
+ std::map<std::string, int> &result)
{
- {TAT_NONE, "none"},
- {TAT_VERTICAL_FRAMES, "vertical_frames"},
- {0, NULL},
-};
+ if (!lua_istable(L,index))
+ return;
+ result.clear();
+ lua_pushnil(L);
+ if(index < 0)
+ index -= 1;
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ std::string name = luaL_checkstring(L, -2);
+ int rating = luaL_checkinteger(L, -1);
+ result[name] = rating;
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+}
struct EnumString es_BiomeTerrainType[] =
{
@@ -447,5969 +241,303 @@ struct EnumString es_BiomeTerrainType[] =
{0, NULL},
};
+/*****************************************************************************/
+/* Parameters */
+/*****************************************************************************/
/*
- C struct <-> Lua table converter functions
+ DigParams
*/
-static void push_v3f(lua_State *L, v3f p)
+static void set_dig_params(lua_State *L, int table,
+ const DigParams ¶ms)
{
- lua_newtable(L);
- lua_pushnumber(L, p.X);
- lua_setfield(L, -2, "x");
- lua_pushnumber(L, p.Y);
- lua_setfield(L, -2, "y");
- lua_pushnumber(L, p.Z);
- lua_setfield(L, -2, "z");
+ setboolfield(L, table, "diggable", params.diggable);
+ setfloatfield(L, table, "time", params.time);
+ setintfield(L, table, "wear", params.wear);
}
-static v2s16 read_v2s16(lua_State *L, int index)
+static void push_dig_params(lua_State *L,
+ const DigParams ¶ms)
{
- v2s16 p;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "x");
- p.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "y");
- p.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- return p;
+ lua_newtable(L);
+ set_dig_params(L, -1, params);
}
-static v2f read_v2f(lua_State *L, int index)
+/*
+ HitParams
+*/
+
+static void set_hit_params(lua_State *L, int table,
+ const HitParams ¶ms)
{
- v2f p;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "x");
- p.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "y");
- p.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- return p;
+ setintfield(L, table, "hp", params.hp);
+ setintfield(L, table, "wear", params.wear);
}
-static v3f read_v3f(lua_State *L, int index)
-{
- v3f pos;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "x");
- pos.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "y");
- pos.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "z");
- pos.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- return pos;
-}
-
-static v3f check_v3f(lua_State *L, int index)
-{
- v3f pos;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "x");
- pos.X = luaL_checknumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "y");
- pos.Y = luaL_checknumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "z");
- pos.Z = luaL_checknumber(L, -1);
- lua_pop(L, 1);
- return pos;
-}
-
-static void pushFloatPos(lua_State *L, v3f p)
-{
- p /= BS;
- push_v3f(L, p);
-}
-
-static v3f checkFloatPos(lua_State *L, int index)
-{
- return check_v3f(L, index) * BS;
-}
-
-static void push_v3s16(lua_State *L, v3s16 p)
-{
- lua_newtable(L);
- lua_pushnumber(L, p.X);
- lua_setfield(L, -2, "x");
- lua_pushnumber(L, p.Y);
- lua_setfield(L, -2, "y");
- lua_pushnumber(L, p.Z);
- lua_setfield(L, -2, "z");
-}
-
-static v3s16 read_v3s16(lua_State *L, int index)
-{
- // Correct rounding at <0
- v3f pf = read_v3f(L, index);
- return floatToInt(pf, 1.0);
-}
-
-static v3s16 check_v3s16(lua_State *L, int index)
-{
- // Correct rounding at <0
- v3f pf = check_v3f(L, index);
- return floatToInt(pf, 1.0);
-}
-
-static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
+static void push_hit_params(lua_State *L,
+ const HitParams ¶ms)
{
lua_newtable(L);
- lua_pushstring(L, ndef->get(n).name.c_str());
- lua_setfield(L, -2, "name");
- lua_pushnumber(L, n.getParam1());
- lua_setfield(L, -2, "param1");
- lua_pushnumber(L, n.getParam2());
- lua_setfield(L, -2, "param2");
-}
-
-static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
-{
- lua_getfield(L, index, "name");
- const char *name = luaL_checkstring(L, -1);
- lua_pop(L, 1);
- u8 param1;
- lua_getfield(L, index, "param1");
- if(lua_isnil(L, -1))
- param1 = 0;
- else
- param1 = lua_tonumber(L, -1);
- lua_pop(L, 1);
- u8 param2;
- lua_getfield(L, index, "param2");
- if(lua_isnil(L, -1))
- param2 = 0;
- else
- param2 = lua_tonumber(L, -1);
- lua_pop(L, 1);
- return MapNode(ndef, name, param1, param2);
-}
-
-static video::SColor readARGB8(lua_State *L, int index)
-{
- video::SColor color;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "a");
- if(lua_isnumber(L, -1))
- color.setAlpha(lua_tonumber(L, -1));
- lua_pop(L, 1);
- lua_getfield(L, index, "r");
- color.setRed(lua_tonumber(L, -1));
- lua_pop(L, 1);
- lua_getfield(L, index, "g");
- color.setGreen(lua_tonumber(L, -1));
- lua_pop(L, 1);
- lua_getfield(L, index, "b");
- color.setBlue(lua_tonumber(L, -1));
- lua_pop(L, 1);
- return color;
+ set_hit_params(L, -1, params);
}
-static aabb3f read_aabb3f(lua_State *L, int index, f32 scale)
-{
- aabb3f box;
- if(lua_istable(L, index)){
- lua_rawgeti(L, index, 1);
- box.MinEdge.X = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, index, 2);
- box.MinEdge.Y = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, index, 3);
- box.MinEdge.Z = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, index, 4);
- box.MaxEdge.X = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, index, 5);
- box.MaxEdge.Y = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, index, 6);
- box.MaxEdge.Z = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- }
- return box;
-}
+/*
+ ServerSoundParams
+*/
-static std::vector<aabb3f> read_aabb3f_vector(lua_State *L, int index, f32 scale)
+static void read_server_sound_params(lua_State *L, int index,
+ ServerSoundParams ¶ms)
{
- std::vector<aabb3f> boxes;
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ // Clear
+ params = ServerSoundParams();
if(lua_istable(L, index)){
- int n = lua_objlen(L, index);
- // Check if it's a single box or a list of boxes
- bool possibly_single_box = (n == 6);
- for(int i = 1; i <= n && possibly_single_box; i++){
- lua_rawgeti(L, index, i);
- if(!lua_isnumber(L, -1))
- possibly_single_box = false;
- lua_pop(L, 1);
+ getfloatfield(L, index, "gain", params.gain);
+ getstringfield(L, index, "to_player", params.to_player);
+ lua_getfield(L, index, "pos");
+ if(!lua_isnil(L, -1)){
+ v3f p = read_v3f(L, -1)*BS;
+ params.pos = p;
+ params.type = ServerSoundParams::SSP_POSITIONAL;
}
- if(possibly_single_box){
- // Read a single box
- boxes.push_back(read_aabb3f(L, index, scale));
- } else {
- // Read a list of boxes
- for(int i = 1; i <= n; i++){
- lua_rawgeti(L, index, i);
- boxes.push_back(read_aabb3f(L, -1, scale));
- lua_pop(L, 1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "object");
+ if(!lua_isnil(L, -1)){
+ ObjectRef *ref = ObjectRef::checkobject(L, -1);
+ ServerActiveObject *sao = ObjectRef::getobject(ref);
+ if(sao){
+ params.object = sao->getId();
+ params.type = ServerSoundParams::SSP_OBJECT;
}
}
- }
- return boxes;
-}
-
-static NodeBox read_nodebox(lua_State *L, int index)
-{
- NodeBox nodebox;
- if(lua_istable(L, -1)){
- nodebox.type = (NodeBoxType)getenumfield(L, index, "type",
- es_NodeBoxType, NODEBOX_REGULAR);
-
- lua_getfield(L, index, "fixed");
- if(lua_istable(L, -1))
- nodebox.fixed = read_aabb3f_vector(L, -1, BS);
- lua_pop(L, 1);
-
- lua_getfield(L, index, "wall_top");
- if(lua_istable(L, -1))
- nodebox.wall_top = read_aabb3f(L, -1, BS);
- lua_pop(L, 1);
-
- lua_getfield(L, index, "wall_bottom");
- if(lua_istable(L, -1))
- nodebox.wall_bottom = read_aabb3f(L, -1, BS);
- lua_pop(L, 1);
-
- lua_getfield(L, index, "wall_side");
- if(lua_istable(L, -1))
- nodebox.wall_side = read_aabb3f(L, -1, BS);
lua_pop(L, 1);
+ params.max_hear_distance = BS*getfloatfield_default(L, index,
+ "max_hear_distance", params.max_hear_distance/BS);
+ getboolfield(L, index, "loop", params.loop);
}
- return nodebox;
}
-/*
- NoiseParams
-*/
-static NoiseParams *read_noiseparams(lua_State *L, int index)
-{
- if (index < 0)
- index = lua_gettop(L) + 1 + index;
-
- if (!lua_istable(L, index))
- return NULL;
-
- NoiseParams *np = new NoiseParams;
-
- np->offset = getfloatfield_default(L, index, "offset", 0.0);
- np->scale = getfloatfield_default(L, index, "scale", 0.0);
- lua_getfield(L, index, "spread");
- np->spread = read_v3f(L, -1);
- np->seed = getintfield_default(L, index, "seed", 0);
- np->octaves = getintfield_default(L, index, "octaves", 0);
- np->persist = getfloatfield_default(L, index, "persist", 0.0);
-
- return np;
-}
+/*****************************************************************************/
+/* callbacks */
+/*****************************************************************************/
-/*
- Groups
-*/
-static void read_groups(lua_State *L, int index,
- std::map<std::string, int> &result)
+// Push the list of callbacks (a lua table).
+// Then push nargs arguments.
+// Then call this function, which
+// - runs the callbacks
+// - removes the table and arguments from the lua stack
+// - pushes the return value, computed depending on mode
+void scriptapi_run_callbacks(lua_State *L, int nargs,
+ RunCallbacksMode mode)
{
- if (!lua_istable(L,index))
- return;
- result.clear();
+ // Insert the return value into the lua stack, below the table
+ assert(lua_gettop(L) >= nargs + 1);
lua_pushnil(L);
- if(index < 0)
- index -= 1;
- while(lua_next(L, index) != 0){
- // key at index -2 and value at index -1
- std::string name = luaL_checkstring(L, -2);
- int rating = luaL_checkinteger(L, -1);
- result[name] = rating;
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
-}
+ lua_insert(L, -(nargs + 1) - 1);
+ // Stack now looks like this:
+ // ... <return value = nil> <table> <arg#1> <arg#2> ... <arg#n>
-/*
- Privileges
-*/
-static void read_privileges(lua_State *L, int index,
- std::set<std::string> &result)
-{
- result.clear();
+ int rv = lua_gettop(L) - nargs - 1;
+ int table = rv + 1;
+ int arg = table + 1;
+
+ luaL_checktype(L, table, LUA_TTABLE);
+
+ // Foreach
lua_pushnil(L);
- if(index < 0)
- index -= 1;
- while(lua_next(L, index) != 0){
+ bool first_loop = true;
+ while(lua_next(L, table) != 0){
// key at index -2 and value at index -1
- std::string key = luaL_checkstring(L, -2);
- bool value = lua_toboolean(L, -1);
- if(value)
- result.insert(key);
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
-}
-
-/*
- ToolCapabilities
-*/
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ // Call function
+ for(int i = 0; i < nargs; i++)
+ lua_pushvalue(L, arg+i);
+ if(lua_pcall(L, nargs, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
-static ToolCapabilities read_tool_capabilities(
- lua_State *L, int table)
-{
- ToolCapabilities toolcap;
- getfloatfield(L, table, "full_punch_interval", toolcap.full_punch_interval);
- getintfield(L, table, "max_drop_level", toolcap.max_drop_level);
- lua_getfield(L, table, "groupcaps");
- if(lua_istable(L, -1)){
- int table_groupcaps = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table_groupcaps) != 0){
- // key at index -2 and value at index -1
- std::string groupname = luaL_checkstring(L, -2);
- if(lua_istable(L, -1)){
- int table_groupcap = lua_gettop(L);
- // This will be created
- ToolGroupCap groupcap;
- // Read simple parameters
- getintfield(L, table_groupcap, "maxlevel", groupcap.maxlevel);
- getintfield(L, table_groupcap, "uses", groupcap.uses);
- // DEPRECATED: maxwear
- float maxwear = 0;
- if(getfloatfield(L, table_groupcap, "maxwear", maxwear)){
- if(maxwear != 0)
- groupcap.uses = 1.0/maxwear;
- else
- groupcap.uses = 0;
- infostream<<script_get_backtrace(L)<<std::endl;
- infostream<<"WARNING: field \"maxwear\" is deprecated; "
- <<"should replace with uses=1/maxwear"<<std::endl;
- }
- // Read "times" table
- lua_getfield(L, table_groupcap, "times");
- if(lua_istable(L, -1)){
- int table_times = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table_times) != 0){
- // key at index -2 and value at index -1
- int rating = luaL_checkinteger(L, -2);
- float time = luaL_checknumber(L, -1);
- groupcap.times[rating] = time;
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- }
+ // Move return value to designated space in stack
+ // Or pop it
+ if(first_loop){
+ // Result of first callback is always moved
+ lua_replace(L, rv);
+ first_loop = false;
+ } else {
+ // Otherwise, what happens depends on the mode
+ if(mode == RUN_CALLBACKS_MODE_FIRST)
lua_pop(L, 1);
- // Insert groupcap into toolcap
- toolcap.groupcaps[groupname] = groupcap;
+ else if(mode == RUN_CALLBACKS_MODE_LAST)
+ lua_replace(L, rv);
+ else if(mode == RUN_CALLBACKS_MODE_AND ||
+ mode == RUN_CALLBACKS_MODE_AND_SC){
+ if((bool)lua_toboolean(L, rv) == true &&
+ (bool)lua_toboolean(L, -1) == false)
+ lua_replace(L, rv);
+ else
+ lua_pop(L, 1);
}
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
+ else if(mode == RUN_CALLBACKS_MODE_OR ||
+ mode == RUN_CALLBACKS_MODE_OR_SC){
+ if((bool)lua_toboolean(L, rv) == false &&
+ (bool)lua_toboolean(L, -1) == true)
+ lua_replace(L, rv);
+ else
+ lua_pop(L, 1);
+ }
+ else
+ assert(0);
}
+
+ // Handle short circuit modes
+ if(mode == RUN_CALLBACKS_MODE_AND_SC &&
+ (bool)lua_toboolean(L, rv) == false)
+ break;
+ else if(mode == RUN_CALLBACKS_MODE_OR_SC &&
+ (bool)lua_toboolean(L, rv) == true)
+ break;
+
+ // value removed, keep key for next iteration
}
- lua_pop(L, 1);
- return toolcap;
-}
-static void set_tool_capabilities(lua_State *L, int table,
- const ToolCapabilities &toolcap)
-{
- setfloatfield(L, table, "full_punch_interval", toolcap.full_punch_interval);
- setintfield(L, table, "max_drop_level", toolcap.max_drop_level);
- // Create groupcaps table
- lua_newtable(L);
- // For each groupcap
- for(std::map<std::string, ToolGroupCap>::const_iterator
- i = toolcap.groupcaps.begin(); i != toolcap.groupcaps.end(); i++){
- // Create groupcap table
- lua_newtable(L);
- const std::string &name = i->first;
- const ToolGroupCap &groupcap = i->second;
- // Create subtable "times"
- lua_newtable(L);
- for(std::map<int, float>::const_iterator
- i = groupcap.times.begin(); i != groupcap.times.end(); i++){
- int rating = i->first;
- float time = i->second;
- lua_pushinteger(L, rating);
- lua_pushnumber(L, time);
- lua_settable(L, -3);
+ // Remove stuff from stack, leaving only the return value
+ lua_settop(L, rv);
+
+ // Fix return value in case no callbacks were called
+ if(first_loop){
+ if(mode == RUN_CALLBACKS_MODE_AND ||
+ mode == RUN_CALLBACKS_MODE_AND_SC){
+ lua_pop(L, 1);
+ lua_pushboolean(L, true);
+ }
+ else if(mode == RUN_CALLBACKS_MODE_OR ||
+ mode == RUN_CALLBACKS_MODE_OR_SC){
+ lua_pop(L, 1);
+ lua_pushboolean(L, false);
}
- // Set subtable "times"
- lua_setfield(L, -2, "times");
- // Set simple parameters
- setintfield(L, -1, "maxlevel", groupcap.maxlevel);
- setintfield(L, -1, "uses", groupcap.uses);
- // Insert groupcap table into groupcaps table
- lua_setfield(L, -2, name.c_str());
}
- // Set groupcaps table
- lua_setfield(L, -2, "groupcaps");
}
-static void push_tool_capabilities(lua_State *L,
- const ToolCapabilities &prop)
-{
- lua_newtable(L);
- set_tool_capabilities(L, -1, prop);
-}
-
-/*
- DigParams
-*/
-
-static void set_dig_params(lua_State *L, int table,
- const DigParams ¶ms)
+bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
+ const std::string &message)
{
- setboolfield(L, table, "diggable", params.diggable);
- setfloatfield(L, table, "time", params.time);
- setintfield(L, table, "wear", params.wear);
-}
-
-static void push_dig_params(lua_State *L,
- const DigParams ¶ms)
-{
- lua_newtable(L);
- set_dig_params(L, -1, params);
-}
-
-/*
- HitParams
-*/
-
-static void set_hit_params(lua_State *L, int table,
- const HitParams ¶ms)
-{
- setintfield(L, table, "hp", params.hp);
- setintfield(L, table, "wear", params.wear);
-}
-
-static void push_hit_params(lua_State *L,
- const HitParams ¶ms)
-{
- lua_newtable(L);
- set_hit_params(L, -1, params);
-}
-
-/*
- PointedThing
-*/
-
-static void push_pointed_thing(lua_State *L, const PointedThing& pointed)
-{
- lua_newtable(L);
- if(pointed.type == POINTEDTHING_NODE)
- {
- lua_pushstring(L, "node");
- lua_setfield(L, -2, "type");
- push_v3s16(L, pointed.node_undersurface);
- lua_setfield(L, -2, "under");
- push_v3s16(L, pointed.node_abovesurface);
- lua_setfield(L, -2, "above");
- }
- else if(pointed.type == POINTEDTHING_OBJECT)
- {
- lua_pushstring(L, "object");
- lua_setfield(L, -2, "type");
- objectref_get(L, pointed.object_id);
- lua_setfield(L, -2, "ref");
- }
- else
- {
- lua_pushstring(L, "nothing");
- lua_setfield(L, -2, "type");
- }
-}
-
-/*
- SimpleSoundSpec
-*/
-
-static void read_soundspec(lua_State *L, int index, SimpleSoundSpec &spec)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
- if(lua_isnil(L, index)){
- } else if(lua_istable(L, index)){
- getstringfield(L, index, "name", spec.name);
- getfloatfield(L, index, "gain", spec.gain);
- } else if(lua_isstring(L, index)){
- spec.name = lua_tostring(L, index);
- }
-}
-
-/*
- ObjectProperties
-*/
-
-static void read_object_properties(lua_State *L, int index,
- ObjectProperties *prop)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
- if(!lua_istable(L, index))
- return;
-
- prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
-
- getboolfield(L, -1, "physical", prop->physical);
-
- getfloatfield(L, -1, "weight", prop->weight);
-
- lua_getfield(L, -1, "collisionbox");
- if(lua_istable(L, -1))
- prop->collisionbox = read_aabb3f(L, -1, 1.0);
- lua_pop(L, 1);
-
- getstringfield(L, -1, "visual", prop->visual);
-
- getstringfield(L, -1, "mesh", prop->mesh);
-
- lua_getfield(L, -1, "visual_size");
- if(lua_istable(L, -1))
- prop->visual_size = read_v2f(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "textures");
- if(lua_istable(L, -1)){
- prop->textures.clear();
- int table = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- if(lua_isstring(L, -1))
- prop->textures.push_back(lua_tostring(L, -1));
- else
- prop->textures.push_back("");
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- }
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "colors");
- if(lua_istable(L, -1)){
- prop->colors.clear();
- int table = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- if(lua_isstring(L, -1))
- prop->colors.push_back(readARGB8(L, -1));
- else
- prop->colors.push_back(video::SColor(255, 255, 255, 255));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- }
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "spritediv");
- if(lua_istable(L, -1))
- prop->spritediv = read_v2s16(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "initial_sprite_basepos");
- if(lua_istable(L, -1))
- prop->initial_sprite_basepos = read_v2s16(L, -1);
- lua_pop(L, 1);
-
- getboolfield(L, -1, "is_visible", prop->is_visible);
- getboolfield(L, -1, "makes_footstep_sound", prop->makes_footstep_sound);
- getfloatfield(L, -1, "automatic_rotate", prop->automatic_rotate);
-}
-
-/*
- ItemDefinition
-*/
-
-static ItemDefinition read_item_definition(lua_State *L, int index,
- ItemDefinition default_def = ItemDefinition())
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- // Read the item definition
- ItemDefinition def = default_def;
-
- def.type = (ItemType)getenumfield(L, index, "type",
- es_ItemType, ITEM_NONE);
- getstringfield(L, index, "name", def.name);
- getstringfield(L, index, "description", def.description);
- getstringfield(L, index, "inventory_image", def.inventory_image);
- getstringfield(L, index, "wield_image", def.wield_image);
-
- lua_getfield(L, index, "wield_scale");
- if(lua_istable(L, -1)){
- def.wield_scale = check_v3f(L, -1);
- }
- lua_pop(L, 1);
-
- def.stack_max = getintfield_default(L, index, "stack_max", def.stack_max);
- if(def.stack_max == 0)
- def.stack_max = 1;
-
- lua_getfield(L, index, "on_use");
- def.usable = lua_isfunction(L, -1);
- lua_pop(L, 1);
-
- getboolfield(L, index, "liquids_pointable", def.liquids_pointable);
-
- warn_if_field_exists(L, index, "tool_digging_properties",
- "deprecated: use tool_capabilities");
-
- lua_getfield(L, index, "tool_capabilities");
- if(lua_istable(L, -1)){
- def.tool_capabilities = new ToolCapabilities(
- read_tool_capabilities(L, -1));
- }
-
- // If name is "" (hand), ensure there are ToolCapabilities
- // because it will be looked up there whenever any other item has
- // no ToolCapabilities
- if(def.name == "" && def.tool_capabilities == NULL){
- def.tool_capabilities = new ToolCapabilities();
- }
-
- lua_getfield(L, index, "groups");
- read_groups(L, -1, def.groups);
- lua_pop(L, 1);
-
- // Client shall immediately place this node when player places the item.
- // Server will update the precise end result a moment later.
- // "" = no prediction
- getstringfield(L, index, "node_placement_prediction",
- def.node_placement_prediction);
-
- return def;
-}
-
-/*
- TileDef
-*/
-
-static TileDef read_tiledef(lua_State *L, int index)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- TileDef tiledef;
-
- // key at index -2 and value at index
- if(lua_isstring(L, index)){
- // "default_lava.png"
- tiledef.name = lua_tostring(L, index);
- }
- else if(lua_istable(L, index))
- {
- // {name="default_lava.png", animation={}}
- tiledef.name = "";
- getstringfield(L, index, "name", tiledef.name);
- getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat.
- tiledef.backface_culling = getboolfield_default(
- L, index, "backface_culling", true);
- // animation = {}
- lua_getfield(L, index, "animation");
- if(lua_istable(L, -1)){
- // {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}
- tiledef.animation.type = (TileAnimationType)
- getenumfield(L, -1, "type", es_TileAnimationType,
- TAT_NONE);
- tiledef.animation.aspect_w =
- getintfield_default(L, -1, "aspect_w", 16);
- tiledef.animation.aspect_h =
- getintfield_default(L, -1, "aspect_h", 16);
- tiledef.animation.length =
- getfloatfield_default(L, -1, "length", 1.0);
- }
- lua_pop(L, 1);
- }
-
- return tiledef;
-}
-
-/*
- ContentFeatures
-*/
-
-static ContentFeatures read_content_features(lua_State *L, int index)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- ContentFeatures f;
-
- /* Cache existence of some callbacks */
- lua_getfield(L, index, "on_construct");
- if(!lua_isnil(L, -1)) f.has_on_construct = true;
- lua_pop(L, 1);
- lua_getfield(L, index, "on_destruct");
- if(!lua_isnil(L, -1)) f.has_on_destruct = true;
- lua_pop(L, 1);
- lua_getfield(L, index, "after_destruct");
- if(!lua_isnil(L, -1)) f.has_after_destruct = true;
- lua_pop(L, 1);
-
- lua_getfield(L, index, "on_rightclick");
- f.rightclickable = lua_isfunction(L, -1);
- lua_pop(L, 1);
-
- /* Name */
- getstringfield(L, index, "name", f.name);
-
- /* Groups */
- lua_getfield(L, index, "groups");
- read_groups(L, -1, f.groups);
- lua_pop(L, 1);
-
- /* Visual definition */
-
- f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype", es_DrawType,
- NDT_NORMAL);
- getfloatfield(L, index, "visual_scale", f.visual_scale);
-
- // tiles = {}
- lua_getfield(L, index, "tiles");
- // If nil, try the deprecated name "tile_images" instead
- if(lua_isnil(L, -1)){
- lua_pop(L, 1);
- warn_if_field_exists(L, index, "tile_images",
- "Deprecated; new name is \"tiles\".");
- lua_getfield(L, index, "tile_images");
- }
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- int i = 0;
- while(lua_next(L, table) != 0){
- // Read tiledef from value
- f.tiledef[i] = read_tiledef(L, -1);
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- i++;
- if(i==6){
- lua_pop(L, 1);
- break;
- }
- }
- // Copy last value to all remaining textures
- if(i >= 1){
- TileDef lasttile = f.tiledef[i-1];
- while(i < 6){
- f.tiledef[i] = lasttile;
- i++;
- }
- }
- }
- lua_pop(L, 1);
-
- // special_tiles = {}
- lua_getfield(L, index, "special_tiles");
- // If nil, try the deprecated name "special_materials" instead
- if(lua_isnil(L, -1)){
- lua_pop(L, 1);
- warn_if_field_exists(L, index, "special_materials",
- "Deprecated; new name is \"special_tiles\".");
- lua_getfield(L, index, "special_materials");
- }
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- int i = 0;
- while(lua_next(L, table) != 0){
- // Read tiledef from value
- f.tiledef_special[i] = read_tiledef(L, -1);
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- i++;
- if(i==6){
- lua_pop(L, 1);
- break;
- }
- }
- }
- lua_pop(L, 1);
-
- f.alpha = getintfield_default(L, index, "alpha", 255);
-
- /* Other stuff */
-
- lua_getfield(L, index, "post_effect_color");
- if(!lua_isnil(L, -1))
- f.post_effect_color = readARGB8(L, -1);
- lua_pop(L, 1);
-
- f.param_type = (ContentParamType)getenumfield(L, index, "paramtype",
- es_ContentParamType, CPT_NONE);
- f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2",
- es_ContentParamType2, CPT2_NONE);
-
- // Warn about some deprecated fields
- warn_if_field_exists(L, index, "wall_mounted",
- "deprecated: use paramtype2 = 'wallmounted'");
- warn_if_field_exists(L, index, "light_propagates",
- "deprecated: determined from paramtype");
- warn_if_field_exists(L, index, "dug_item",
- "deprecated: use 'drop' field");
- warn_if_field_exists(L, index, "extra_dug_item",
- "deprecated: use 'drop' field");
- warn_if_field_exists(L, index, "extra_dug_item_rarity",
- "deprecated: use 'drop' field");
- warn_if_field_exists(L, index, "metadata_name",
- "deprecated: use on_add and metadata callbacks");
-
- // True for all ground-like things like stone and mud, false for eg. trees
- getboolfield(L, index, "is_ground_content", f.is_ground_content);
- f.light_propagates = (f.param_type == CPT_LIGHT);
- getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates);
- // This is used for collision detection.
- // Also for general solidness queries.
- getboolfield(L, index, "walkable", f.walkable);
- // Player can point to these
- getboolfield(L, index, "pointable", f.pointable);
- // Player can dig these
- getboolfield(L, index, "diggable", f.diggable);
- // Player can climb these
- getboolfield(L, index, "climbable", f.climbable);
- // Player can build on these
- getboolfield(L, index, "buildable_to", f.buildable_to);
- // Whether the node is non-liquid, source liquid or flowing liquid
- f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
- es_LiquidType, LIQUID_NONE);
- // If the content is liquid, this is the flowing version of the liquid.
- getstringfield(L, index, "liquid_alternative_flowing",
- f.liquid_alternative_flowing);
- // If the content is liquid, this is the source version of the liquid.
- getstringfield(L, index, "liquid_alternative_source",
- f.liquid_alternative_source);
- // Viscosity for fluid flow, ranging from 1 to 7, with
- // 1 giving almost instantaneous propagation and 7 being
- // the slowest possible
- f.liquid_viscosity = getintfield_default(L, index,
- "liquid_viscosity", f.liquid_viscosity);
- getboolfield(L, index, "liquid_renewable", f.liquid_renewable);
- // Amount of light the node emits
- f.light_source = getintfield_default(L, index,
- "light_source", f.light_source);
- f.damage_per_second = getintfield_default(L, index,
- "damage_per_second", f.damage_per_second);
-
- lua_getfield(L, index, "node_box");
- if(lua_istable(L, -1))
- f.node_box = read_nodebox(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, index, "selection_box");
- if(lua_istable(L, -1))
- f.selection_box = read_nodebox(L, -1);
- lua_pop(L, 1);
-
- // Set to true if paramtype used to be 'facedir_simple'
- getboolfield(L, index, "legacy_facedir_simple", f.legacy_facedir_simple);
- // Set to true if wall_mounted used to be set to true
- getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted);
-
- // Sound table
- lua_getfield(L, index, "sounds");
- if(lua_istable(L, -1)){
- lua_getfield(L, -1, "footstep");
- read_soundspec(L, -1, f.sound_footstep);
- lua_pop(L, 1);
- lua_getfield(L, -1, "dig");
- read_soundspec(L, -1, f.sound_dig);
- lua_pop(L, 1);
- lua_getfield(L, -1, "dug");
- read_soundspec(L, -1, f.sound_dug);
- lua_pop(L, 1);
- }
- lua_pop(L, 1);
-
- return f;
-}
-
-/*
- Inventory stuff
-*/
-
-static ItemStack read_item(lua_State *L, int index);
-static std::vector<ItemStack> read_items(lua_State *L, int index);
-// creates a table of ItemStacks
-static void push_items(lua_State *L, const std::vector<ItemStack> &items);
-
-static void inventory_set_list_from_lua(Inventory *inv, const char *name,
- lua_State *L, int tableindex, int forcesize=-1)
-{
- if(tableindex < 0)
- tableindex = lua_gettop(L) + 1 + tableindex;
- // If nil, delete list
- if(lua_isnil(L, tableindex)){
- inv->deleteList(name);
- return;
- }
- // Otherwise set list
- std::vector<ItemStack> items = read_items(L, tableindex);
- int listsize = (forcesize != -1) ? forcesize : items.size();
- InventoryList *invlist = inv->addList(name, listsize);
- int index = 0;
- for(std::vector<ItemStack>::const_iterator
- i = items.begin(); i != items.end(); i++){
- if(forcesize != -1 && index == forcesize)
- break;
- invlist->changeItem(index, *i);
- index++;
- }
- while(forcesize != -1 && index < forcesize){
- invlist->deleteItem(index);
- index++;
- }
-}
-
-static void inventory_get_list_to_lua(Inventory *inv, const char *name,
- lua_State *L)
-{
- InventoryList *invlist = inv->getList(name);
- if(invlist == NULL){
- lua_pushnil(L);
- return;
- }
- std::vector<ItemStack> items;
- for(u32 i=0; i<invlist->getSize(); i++)
- items.push_back(invlist->getItem(i));
- push_items(L, items);
-}
-
-/*
- Helpful macros for userdata classes
-*/
-
-#define method(class, name) {#name, class::l_##name}
-
-/*
- LuaItemStack
-*/
-
-class LuaItemStack
-{
-private:
- ItemStack m_stack;
-
- static const char className[];
- static const luaL_reg methods[];
-
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L)
- {
- LuaItemStack *o = *(LuaItemStack **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
-
- // is_empty(self) -> true/false
- static int l_is_empty(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- lua_pushboolean(L, item.empty());
- return 1;
- }
-
- // get_name(self) -> string
- static int l_get_name(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- lua_pushstring(L, item.name.c_str());
- return 1;
- }
-
- // get_count(self) -> number
- static int l_get_count(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- lua_pushinteger(L, item.count);
- return 1;
- }
-
- // get_wear(self) -> number
- static int l_get_wear(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- lua_pushinteger(L, item.wear);
- return 1;
- }
-
- // get_metadata(self) -> string
- static int l_get_metadata(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- lua_pushlstring(L, item.metadata.c_str(), item.metadata.size());
- return 1;
- }
-
- // clear(self) -> true
- static int l_clear(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- o->m_stack.clear();
- lua_pushboolean(L, true);
- return 1;
- }
-
- // replace(self, itemstack or itemstring or table or nil) -> true
- static int l_replace(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- o->m_stack = read_item(L, 2);
- lua_pushboolean(L, true);
- return 1;
- }
-
- // to_string(self) -> string
- static int l_to_string(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- std::string itemstring = o->m_stack.getItemString();
- lua_pushstring(L, itemstring.c_str());
- return 1;
- }
-
- // to_table(self) -> table or nil
- static int l_to_table(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- const ItemStack &item = o->m_stack;
- if(item.empty())
- {
- lua_pushnil(L);
- }
- else
- {
- lua_newtable(L);
- lua_pushstring(L, item.name.c_str());
- lua_setfield(L, -2, "name");
- lua_pushinteger(L, item.count);
- lua_setfield(L, -2, "count");
- lua_pushinteger(L, item.wear);
- lua_setfield(L, -2, "wear");
- lua_pushlstring(L, item.metadata.c_str(), item.metadata.size());
- lua_setfield(L, -2, "metadata");
- }
- return 1;
- }
-
- // get_stack_max(self) -> number
- static int l_get_stack_max(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- lua_pushinteger(L, item.getStackMax(get_server(L)->idef()));
- return 1;
- }
-
- // get_free_space(self) -> number
- static int l_get_free_space(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- lua_pushinteger(L, item.freeSpace(get_server(L)->idef()));
- return 1;
- }
-
- // is_known(self) -> true/false
- // Checks if the item is defined.
- static int l_is_known(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- bool is_known = item.isKnown(get_server(L)->idef());
- lua_pushboolean(L, is_known);
- return 1;
- }
-
- // get_definition(self) -> table
- // Returns the item definition table from minetest.registered_items,
- // or a fallback one (name="unknown")
- static int l_get_definition(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
-
- // Get minetest.registered_items[name]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_items");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, item.name.c_str());
- if(lua_isnil(L, -1))
- {
- lua_pop(L, 1);
- lua_getfield(L, -1, "unknown");
- }
- return 1;
- }
-
- // get_tool_capabilities(self) -> table
- // Returns the effective tool digging properties.
- // Returns those of the hand ("") if this item has none associated.
- static int l_get_tool_capabilities(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- const ToolCapabilities &prop =
- item.getToolCapabilities(get_server(L)->idef());
- push_tool_capabilities(L, prop);
- return 1;
- }
-
- // add_wear(self, amount) -> true/false
- // The range for "amount" is [0,65535]. Wear is only added if the item
- // is a tool. Adding wear might destroy the item.
- // Returns true if the item is (or was) a tool.
- static int l_add_wear(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- int amount = lua_tointeger(L, 2);
- bool result = item.addWear(amount, get_server(L)->idef());
- lua_pushboolean(L, result);
- return 1;
- }
-
- // add_item(self, itemstack or itemstring or table or nil) -> itemstack
- // Returns leftover item stack
- static int l_add_item(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- ItemStack newitem = read_item(L, 2);
- ItemStack leftover = item.addItem(newitem, get_server(L)->idef());
- create(L, leftover);
- return 1;
- }
-
- // item_fits(self, itemstack or itemstring or table or nil) -> true/false, itemstack
- // First return value is true iff the new item fits fully into the stack
- // Second return value is the would-be-left-over item stack
- static int l_item_fits(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- ItemStack newitem = read_item(L, 2);
- ItemStack restitem;
- bool fits = item.itemFits(newitem, &restitem, get_server(L)->idef());
- lua_pushboolean(L, fits); // first return value
- create(L, restitem); // second return value
- return 2;
- }
-
- // take_item(self, takecount=1) -> itemstack
- static int l_take_item(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- u32 takecount = 1;
- if(!lua_isnone(L, 2))
- takecount = luaL_checkinteger(L, 2);
- ItemStack taken = item.takeItem(takecount);
- create(L, taken);
- return 1;
- }
-
- // peek_item(self, peekcount=1) -> itemstack
- static int l_peek_item(lua_State *L)
- {
- LuaItemStack *o = checkobject(L, 1);
- ItemStack &item = o->m_stack;
- u32 peekcount = 1;
- if(!lua_isnone(L, 2))
- peekcount = lua_tointeger(L, 2);
- ItemStack peekaboo = item.peekItem(peekcount);
- create(L, peekaboo);
- return 1;
- }
-
-public:
- LuaItemStack(const ItemStack &item):
- m_stack(item)
- {
- }
-
- ~LuaItemStack()
- {
- }
-
- const ItemStack& getItem() const
- {
- return m_stack;
- }
- ItemStack& getItem()
- {
- return m_stack;
- }
-
- // LuaItemStack(itemstack or itemstring or table or nil)
- // Creates an LuaItemStack and leaves it on top of stack
- static int create_object(lua_State *L)
- {
- ItemStack item = read_item(L, 1);
- LuaItemStack *o = new LuaItemStack(item);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- return 1;
- }
- // Not callable from Lua
- static int create(lua_State *L, const ItemStack &item)
- {
- LuaItemStack *o = new LuaItemStack(item);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- return 1;
- }
-
- static LuaItemStack* checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(LuaItemStack**)ud; // unbox pointer
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Can be created from Lua (LuaItemStack(itemstack or itemstring or table or nil))
- lua_register(L, className, create_object);
- }
-};
-const char LuaItemStack::className[] = "ItemStack";
-const luaL_reg LuaItemStack::methods[] = {
- method(LuaItemStack, is_empty),
- method(LuaItemStack, get_name),
- method(LuaItemStack, get_count),
- method(LuaItemStack, get_wear),
- method(LuaItemStack, get_metadata),
- method(LuaItemStack, clear),
- method(LuaItemStack, replace),
- method(LuaItemStack, to_string),
- method(LuaItemStack, to_table),
- method(LuaItemStack, get_stack_max),
- method(LuaItemStack, get_free_space),
- method(LuaItemStack, is_known),
- method(LuaItemStack, get_definition),
- method(LuaItemStack, get_tool_capabilities),
- method(LuaItemStack, add_wear),
- method(LuaItemStack, add_item),
- method(LuaItemStack, item_fits),
- method(LuaItemStack, take_item),
- method(LuaItemStack, peek_item),
- {0,0}
-};
-
-static ItemStack read_item(lua_State *L, int index)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- if(lua_isnil(L, index))
- {
- return ItemStack();
- }
- else if(lua_isuserdata(L, index))
- {
- // Convert from LuaItemStack
- LuaItemStack *o = LuaItemStack::checkobject(L, index);
- return o->getItem();
- }
- else if(lua_isstring(L, index))
- {
- // Convert from itemstring
- std::string itemstring = lua_tostring(L, index);
- IItemDefManager *idef = get_server(L)->idef();
- try
- {
- ItemStack item;
- item.deSerialize(itemstring, idef);
- return item;
- }
- catch(SerializationError &e)
- {
- infostream<<"WARNING: unable to create item from itemstring"
- <<": "<<itemstring<<std::endl;
- return ItemStack();
- }
- }
- else if(lua_istable(L, index))
- {
- // Convert from table
- IItemDefManager *idef = get_server(L)->idef();
- std::string name = getstringfield_default(L, index, "name", "");
- int count = getintfield_default(L, index, "count", 1);
- int wear = getintfield_default(L, index, "wear", 0);
- std::string metadata = getstringfield_default(L, index, "metadata", "");
- return ItemStack(name, count, wear, metadata, idef);
- }
- else
- {
- throw LuaError(L, "Expecting itemstack, itemstring, table or nil");
- }
-}
-
-static std::vector<ItemStack> read_items(lua_State *L, int index)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- std::vector<ItemStack> items;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_pushnil(L);
- while(lua_next(L, index) != 0){
- // key at index -2 and value at index -1
- items.push_back(read_item(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- return items;
-}
-
-// creates a table of ItemStacks
-static void push_items(lua_State *L, const std::vector<ItemStack> &items)
-{
- // Get the table insert function
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Create and fill table
- lua_newtable(L);
- int table = lua_gettop(L);
- for(u32 i=0; i<items.size(); i++){
- ItemStack item = items[i];
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, table);
- LuaItemStack::create(L, item);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
- lua_remove(L, -2); // Remove table
- lua_remove(L, -2); // Remove insert
-}
-
-/*
- InvRef
-*/
-
-class InvRef
-{
-private:
- InventoryLocation m_loc;
-
- static const char className[];
- static const luaL_reg methods[];
-
- static InvRef *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(InvRef**)ud; // unbox pointer
- }
-
- static Inventory* getinv(lua_State *L, InvRef *ref)
- {
- return get_server(L)->getInventory(ref->m_loc);
- }
-
- static InventoryList* getlist(lua_State *L, InvRef *ref,
- const char *listname)
- {
- Inventory *inv = getinv(L, ref);
- if(!inv)
- return NULL;
- return inv->getList(listname);
- }
-
- static void reportInventoryChange(lua_State *L, InvRef *ref)
- {
- // Inform other things that the inventory has changed
- get_server(L)->setInventoryModified(ref->m_loc);
- }
-
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L) {
- InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
-
- // is_empty(self, listname) -> true/false
- static int l_is_empty(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- InventoryList *list = getlist(L, ref, listname);
- if(list && list->getUsedSlots() > 0){
- lua_pushboolean(L, false);
- } else {
- lua_pushboolean(L, true);
- }
- return 1;
- }
-
- // get_size(self, listname)
- static int l_get_size(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- InventoryList *list = getlist(L, ref, listname);
- if(list){
- lua_pushinteger(L, list->getSize());
- } else {
- lua_pushinteger(L, 0);
- }
- return 1;
- }
-
- // get_width(self, listname)
- static int l_get_width(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- InventoryList *list = getlist(L, ref, listname);
- if(list){
- lua_pushinteger(L, list->getWidth());
- } else {
- lua_pushinteger(L, 0);
- }
- return 1;
- }
-
- // set_size(self, listname, size)
- static int l_set_size(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int newsize = luaL_checknumber(L, 3);
- Inventory *inv = getinv(L, ref);
- if(newsize == 0){
- inv->deleteList(listname);
- reportInventoryChange(L, ref);
- return 0;
- }
- InventoryList *list = inv->getList(listname);
- if(list){
- list->setSize(newsize);
- } else {
- list = inv->addList(listname, newsize);
- }
- reportInventoryChange(L, ref);
- return 0;
- }
-
- // set_width(self, listname, size)
- static int l_set_width(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int newwidth = luaL_checknumber(L, 3);
- Inventory *inv = getinv(L, ref);
- InventoryList *list = inv->getList(listname);
- if(list){
- list->setWidth(newwidth);
- } else {
- return 0;
- }
- reportInventoryChange(L, ref);
- return 0;
- }
-
- // get_stack(self, listname, i) -> itemstack
- static int l_get_stack(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int i = luaL_checknumber(L, 3) - 1;
- InventoryList *list = getlist(L, ref, listname);
- ItemStack item;
- if(list != NULL && i >= 0 && i < (int) list->getSize())
- item = list->getItem(i);
- LuaItemStack::create(L, item);
- return 1;
- }
-
- // set_stack(self, listname, i, stack) -> true/false
- static int l_set_stack(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int i = luaL_checknumber(L, 3) - 1;
- ItemStack newitem = read_item(L, 4);
- InventoryList *list = getlist(L, ref, listname);
- if(list != NULL && i >= 0 && i < (int) list->getSize()){
- list->changeItem(i, newitem);
- reportInventoryChange(L, ref);
- lua_pushboolean(L, true);
- } else {
- lua_pushboolean(L, false);
- }
- return 1;
- }
-
- // get_list(self, listname) -> list or nil
- static int l_get_list(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- Inventory *inv = getinv(L, ref);
- inventory_get_list_to_lua(inv, listname, L);
- return 1;
- }
-
- // set_list(self, listname, list)
- static int l_set_list(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- Inventory *inv = getinv(L, ref);
- InventoryList *list = inv->getList(listname);
- if(list)
- inventory_set_list_from_lua(inv, listname, L, 3,
- list->getSize());
- else
- inventory_set_list_from_lua(inv, listname, L, 3);
- reportInventoryChange(L, ref);
- return 0;
- }
-
- // add_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
- // Returns the leftover stack
- static int l_add_item(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- ItemStack item = read_item(L, 3);
- InventoryList *list = getlist(L, ref, listname);
- if(list){
- ItemStack leftover = list->addItem(item);
- if(leftover.count != item.count)
- reportInventoryChange(L, ref);
- LuaItemStack::create(L, leftover);
- } else {
- LuaItemStack::create(L, item);
- }
- return 1;
- }
-
- // room_for_item(self, listname, itemstack or itemstring or table or nil) -> true/false
- // Returns true if the item completely fits into the list
- static int l_room_for_item(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- ItemStack item = read_item(L, 3);
- InventoryList *list = getlist(L, ref, listname);
- if(list){
- lua_pushboolean(L, list->roomForItem(item));
- } else {
- lua_pushboolean(L, false);
- }
- return 1;
- }
-
- // contains_item(self, listname, itemstack or itemstring or table or nil) -> true/false
- // Returns true if the list contains the given count of the given item name
- static int l_contains_item(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- ItemStack item = read_item(L, 3);
- InventoryList *list = getlist(L, ref, listname);
- if(list){
- lua_pushboolean(L, list->containsItem(item));
- } else {
- lua_pushboolean(L, false);
- }
- return 1;
- }
-
- // remove_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
- // Returns the items that were actually removed
- static int l_remove_item(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- ItemStack item = read_item(L, 3);
- InventoryList *list = getlist(L, ref, listname);
- if(list){
- ItemStack removed = list->removeItem(item);
- if(!removed.empty())
- reportInventoryChange(L, ref);
- LuaItemStack::create(L, removed);
- } else {
- LuaItemStack::create(L, ItemStack());
- }
- return 1;
- }
-
- // get_location() -> location (like minetest.get_inventory(location))
- static int l_get_location(lua_State *L)
- {
- InvRef *ref = checkobject(L, 1);
- const InventoryLocation &loc = ref->m_loc;
- switch(loc.type){
- case InventoryLocation::PLAYER:
- lua_newtable(L);
- lua_pushstring(L, "player");
- lua_setfield(L, -2, "type");
- lua_pushstring(L, loc.name.c_str());
- lua_setfield(L, -2, "name");
- return 1;
- case InventoryLocation::NODEMETA:
- lua_newtable(L);
- lua_pushstring(L, "nodemeta");
- lua_setfield(L, -2, "type");
- push_v3s16(L, loc.p);
- lua_setfield(L, -2, "name");
- return 1;
- case InventoryLocation::DETACHED:
- lua_newtable(L);
- lua_pushstring(L, "detached");
- lua_setfield(L, -2, "type");
- lua_pushstring(L, loc.name.c_str());
- lua_setfield(L, -2, "name");
- return 1;
- case InventoryLocation::UNDEFINED:
- case InventoryLocation::CURRENT_PLAYER:
- break;
- }
- lua_newtable(L);
- lua_pushstring(L, "undefined");
- lua_setfield(L, -2, "type");
- return 1;
- }
-
-public:
- InvRef(const InventoryLocation &loc):
- m_loc(loc)
- {
- }
-
- ~InvRef()
- {
- }
-
- // Creates an InvRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, const InventoryLocation &loc)
- {
- InvRef *o = new InvRef(loc);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
- static void createPlayer(lua_State *L, Player *player)
- {
- InventoryLocation loc;
- loc.setPlayer(player->getName());
- create(L, loc);
- }
- static void createNodeMeta(lua_State *L, v3s16 p)
- {
- InventoryLocation loc;
- loc.setNodeMeta(p);
- create(L, loc);
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
-};
-const char InvRef::className[] = "InvRef";
-const luaL_reg InvRef::methods[] = {
- method(InvRef, is_empty),
- method(InvRef, get_size),
- method(InvRef, set_size),
- method(InvRef, get_width),
- method(InvRef, set_width),
- method(InvRef, get_stack),
- method(InvRef, set_stack),
- method(InvRef, get_list),
- method(InvRef, set_list),
- method(InvRef, add_item),
- method(InvRef, room_for_item),
- method(InvRef, contains_item),
- method(InvRef, remove_item),
- method(InvRef, get_location),
- {0,0}
-};
-
-/*
- NodeMetaRef
-*/
-
-class NodeMetaRef
-{
-private:
- v3s16 m_p;
- ServerEnvironment *m_env;
-
- static const char className[];
- static const luaL_reg methods[];
-
- static NodeMetaRef *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(NodeMetaRef**)ud; // unbox pointer
- }
-
- static NodeMetadata* getmeta(NodeMetaRef *ref, bool auto_create)
- {
- NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
- if(meta == NULL && auto_create)
- {
- meta = new NodeMetadata(ref->m_env->getGameDef());
- ref->m_env->getMap().setNodeMetadata(ref->m_p, meta);
- }
- return meta;
- }
-
- static void reportMetadataChange(NodeMetaRef *ref)
- {
- // NOTE: This same code is in rollback_interface.cpp
- // Inform other things that the metadata has changed
- v3s16 blockpos = getNodeBlockPos(ref->m_p);
- MapEditEvent event;
- event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
- event.p = blockpos;
- ref->m_env->getMap().dispatchEvent(&event);
- // Set the block to be saved
- MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos);
- if(block)
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "NodeMetaRef::reportMetadataChange");
- }
-
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L) {
- NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
-
- // get_string(self, name)
- static int l_get_string(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = luaL_checkstring(L, 2);
-
- NodeMetadata *meta = getmeta(ref, false);
- if(meta == NULL){
- lua_pushlstring(L, "", 0);
- return 1;
- }
- std::string str = meta->getString(name);
- lua_pushlstring(L, str.c_str(), str.size());
- return 1;
- }
-
- // set_string(self, name, var)
- static int l_set_string(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = luaL_checkstring(L, 2);
- size_t len = 0;
- const char *s = lua_tolstring(L, 3, &len);
- std::string str(s, len);
-
- NodeMetadata *meta = getmeta(ref, !str.empty());
- if(meta == NULL || str == meta->getString(name))
- return 0;
- meta->setString(name, str);
- reportMetadataChange(ref);
- return 0;
- }
-
- // get_int(self, name)
- static int l_get_int(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = lua_tostring(L, 2);
-
- NodeMetadata *meta = getmeta(ref, false);
- if(meta == NULL){
- lua_pushnumber(L, 0);
- return 1;
- }
- std::string str = meta->getString(name);
- lua_pushnumber(L, stoi(str));
- return 1;
- }
-
- // set_int(self, name, var)
- static int l_set_int(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = lua_tostring(L, 2);
- int a = lua_tointeger(L, 3);
- std::string str = itos(a);
-
- NodeMetadata *meta = getmeta(ref, true);
- if(meta == NULL || str == meta->getString(name))
- return 0;
- meta->setString(name, str);
- reportMetadataChange(ref);
- return 0;
- }
-
- // get_float(self, name)
- static int l_get_float(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = lua_tostring(L, 2);
-
- NodeMetadata *meta = getmeta(ref, false);
- if(meta == NULL){
- lua_pushnumber(L, 0);
- return 1;
- }
- std::string str = meta->getString(name);
- lua_pushnumber(L, stof(str));
- return 1;
- }
-
- // set_float(self, name, var)
- static int l_set_float(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- std::string name = lua_tostring(L, 2);
- float a = lua_tonumber(L, 3);
- std::string str = ftos(a);
-
- NodeMetadata *meta = getmeta(ref, true);
- if(meta == NULL || str == meta->getString(name))
- return 0;
- meta->setString(name, str);
- reportMetadataChange(ref);
- return 0;
- }
-
- // get_inventory(self)
- static int l_get_inventory(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- getmeta(ref, true); // try to ensure the metadata exists
- InvRef::createNodeMeta(L, ref->m_p);
- return 1;
- }
-
- // to_table(self)
- static int l_to_table(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
-
- NodeMetadata *meta = getmeta(ref, true);
- if(meta == NULL){
- lua_pushnil(L);
- return 1;
- }
- lua_newtable(L);
- // fields
- lua_newtable(L);
- {
- std::map<std::string, std::string> fields = meta->getStrings();
- for(std::map<std::string, std::string>::const_iterator
- i = fields.begin(); i != fields.end(); i++){
- const std::string &name = i->first;
- const std::string &value = i->second;
- lua_pushlstring(L, name.c_str(), name.size());
- lua_pushlstring(L, value.c_str(), value.size());
- lua_settable(L, -3);
- }
- }
- lua_setfield(L, -2, "fields");
- // inventory
- lua_newtable(L);
- Inventory *inv = meta->getInventory();
- if(inv){
- std::vector<const InventoryList*> lists = inv->getLists();
- for(std::vector<const InventoryList*>::const_iterator
- i = lists.begin(); i != lists.end(); i++){
- inventory_get_list_to_lua(inv, (*i)->getName().c_str(), L);
- lua_setfield(L, -2, (*i)->getName().c_str());
- }
- }
- lua_setfield(L, -2, "inventory");
- return 1;
- }
-
- // from_table(self, table)
- static int l_from_table(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- int base = 2;
-
- if(lua_isnil(L, base)){
- // No metadata
- ref->m_env->getMap().removeNodeMetadata(ref->m_p);
- lua_pushboolean(L, true);
- return 1;
- }
-
- // Has metadata; clear old one first
- ref->m_env->getMap().removeNodeMetadata(ref->m_p);
- // Create new metadata
- NodeMetadata *meta = getmeta(ref, true);
- // Set fields
- lua_getfield(L, base, "fields");
- int fieldstable = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, fieldstable) != 0){
- // key at index -2 and value at index -1
- std::string name = lua_tostring(L, -2);
- size_t cl;
- const char *cs = lua_tolstring(L, -1, &cl);
- std::string value(cs, cl);
- meta->setString(name, value);
- lua_pop(L, 1); // removes value, keeps key for next iteration
- }
- // Set inventory
- Inventory *inv = meta->getInventory();
- lua_getfield(L, base, "inventory");
- int inventorytable = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, inventorytable) != 0){
- // key at index -2 and value at index -1
- std::string name = lua_tostring(L, -2);
- inventory_set_list_from_lua(inv, name.c_str(), L, -1);
- lua_pop(L, 1); // removes value, keeps key for next iteration
- }
- reportMetadataChange(ref);
- lua_pushboolean(L, true);
- return 1;
- }
-
-public:
- NodeMetaRef(v3s16 p, ServerEnvironment *env):
- m_p(p),
- m_env(env)
- {
- }
-
- ~NodeMetaRef()
- {
- }
-
- // Creates an NodeMetaRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, v3s16 p, ServerEnvironment *env)
- {
- NodeMetaRef *o = new NodeMetaRef(p, env);
- //infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
-};
-const char NodeMetaRef::className[] = "NodeMetaRef";
-const luaL_reg NodeMetaRef::methods[] = {
- method(NodeMetaRef, get_string),
- method(NodeMetaRef, set_string),
- method(NodeMetaRef, get_int),
- method(NodeMetaRef, set_int),
- method(NodeMetaRef, get_float),
- method(NodeMetaRef, set_float),
- method(NodeMetaRef, get_inventory),
- method(NodeMetaRef, to_table),
- method(NodeMetaRef, from_table),
- {0,0}
-};
-
-/*
- ObjectRef
-*/
-
-class ObjectRef
-{
-private:
- ServerActiveObject *m_object;
-
- static const char className[];
- static const luaL_reg methods[];
-public:
- static ObjectRef *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(ObjectRef**)ud; // unbox pointer
- }
-
- static ServerActiveObject* getobject(ObjectRef *ref)
- {
- ServerActiveObject *co = ref->m_object;
- return co;
- }
-private:
- static LuaEntitySAO* getluaobject(ObjectRef *ref)
- {
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
- return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
- return NULL;
- return (LuaEntitySAO*)obj;
- }
-
- static PlayerSAO* getplayersao(ObjectRef *ref)
- {
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
- return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
- return NULL;
- return (PlayerSAO*)obj;
- }
-
- static Player* getplayer(ObjectRef *ref)
- {
- PlayerSAO *playersao = getplayersao(ref);
- if(playersao == NULL)
- return NULL;
- return playersao->getPlayer();
- }
-
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L) {
- ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
- //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
- delete o;
- return 0;
- }
-
- // remove(self)
- static int l_remove(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- verbosestream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
- co->m_removed = true;
- return 0;
- }
-
- // getpos(self)
- // returns: {x=num, y=num, z=num}
- static int l_getpos(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- v3f pos = co->getBasePosition() / BS;
- lua_newtable(L);
- lua_pushnumber(L, pos.X);
- lua_setfield(L, -2, "x");
- lua_pushnumber(L, pos.Y);
- lua_setfield(L, -2, "y");
- lua_pushnumber(L, pos.Z);
- lua_setfield(L, -2, "z");
- return 1;
- }
-
- // setpos(self, pos)
- static int l_setpos(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = checkFloatPos(L, 2);
- // Do it
- co->setPos(pos);
- return 0;
- }
-
- // moveto(self, pos, continuous=false)
- static int l_moveto(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = checkFloatPos(L, 2);
- // continuous
- bool continuous = lua_toboolean(L, 3);
- // Do it
- co->moveTo(pos, continuous);
- return 0;
- }
-
- // punch(self, puncher, time_from_last_punch, tool_capabilities, dir)
- static int l_punch(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ObjectRef *puncher_ref = checkobject(L, 2);
- ServerActiveObject *co = getobject(ref);
- ServerActiveObject *puncher = getobject(puncher_ref);
- if(co == NULL) return 0;
- if(puncher == NULL) return 0;
- v3f dir;
- if(lua_type(L, 5) != LUA_TTABLE)
- dir = co->getBasePosition() - puncher->getBasePosition();
- else
- dir = read_v3f(L, 5);
- float time_from_last_punch = 1000000;
- if(lua_isnumber(L, 3))
- time_from_last_punch = lua_tonumber(L, 3);
- ToolCapabilities toolcap = read_tool_capabilities(L, 4);
- dir.normalize();
- // Do it
- co->punch(dir, &toolcap, puncher, time_from_last_punch);
- return 0;
- }
-
- // right_click(self, clicker); clicker = an another ObjectRef
- static int l_right_click(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ObjectRef *ref2 = checkobject(L, 2);
- ServerActiveObject *co = getobject(ref);
- ServerActiveObject *co2 = getobject(ref2);
- if(co == NULL) return 0;
- if(co2 == NULL) return 0;
- // Do it
- co->rightClick(co2);
- return 0;
- }
-
- // set_hp(self, hp)
- // hp = number of hitpoints (2 * number of hearts)
- // returns: nil
- static int l_set_hp(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- luaL_checknumber(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- int hp = lua_tonumber(L, 2);
- /*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
- <<" hp="<<hp<<std::endl;*/
- // Do it
- co->setHP(hp);
- // Return
- return 0;
- }
-
- // get_hp(self)
- // returns: number of hitpoints (2 * number of hearts)
- // 0 if not applicable to this type of object
- static int l_get_hp(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL){
- // Default hp is 1
- lua_pushnumber(L, 1);
- return 1;
- }
- int hp = co->getHP();
- /*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
- <<" hp="<<hp<<std::endl;*/
- // Return
- lua_pushnumber(L, hp);
- return 1;
- }
-
- // get_inventory(self)
- static int l_get_inventory(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- InventoryLocation loc = co->getInventoryLocation();
- if(get_server(L)->getInventory(loc) != NULL)
- InvRef::create(L, loc);
- else
- lua_pushnil(L); // An object may have no inventory (nil)
- return 1;
- }
-
- // get_wield_list(self)
- static int l_get_wield_list(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- lua_pushstring(L, co->getWieldList().c_str());
- return 1;
- }
-
- // get_wield_index(self)
- static int l_get_wield_index(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- lua_pushinteger(L, co->getWieldIndex() + 1);
- return 1;
- }
-
- // get_wielded_item(self)
- static int l_get_wielded_item(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL){
- // Empty ItemStack
- LuaItemStack::create(L, ItemStack());
- return 1;
- }
- // Do it
- LuaItemStack::create(L, co->getWieldedItem());
- return 1;
- }
-
- // set_wielded_item(self, itemstack or itemstring or table or nil)
- static int l_set_wielded_item(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- ItemStack item = read_item(L, 2);
- bool success = co->setWieldedItem(item);
- lua_pushboolean(L, success);
- return 1;
- }
-
- // set_armor_groups(self, groups)
- static int l_set_armor_groups(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- ItemGroupList groups;
- read_groups(L, 2, groups);
- co->setArmorGroups(groups);
- return 0;
- }
-
- // set_animation(self, frame_range, frame_speed, frame_blend)
- static int l_set_animation(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- v2f frames = v2f(1, 1);
- if(!lua_isnil(L, 2))
- frames = read_v2f(L, 2);
- float frame_speed = 15;
- if(!lua_isnil(L, 3))
- frame_speed = lua_tonumber(L, 3);
- float frame_blend = 0;
- if(!lua_isnil(L, 4))
- frame_blend = lua_tonumber(L, 4);
- co->setAnimation(frames, frame_speed, frame_blend);
- return 0;
- }
-
- // set_bone_position(self, std::string bone, v3f position, v3f rotation)
- static int l_set_bone_position(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- std::string bone = "";
- if(!lua_isnil(L, 2))
- bone = lua_tostring(L, 2);
- v3f position = v3f(0, 0, 0);
- if(!lua_isnil(L, 3))
- position = read_v3f(L, 3);
- v3f rotation = v3f(0, 0, 0);
- if(!lua_isnil(L, 4))
- rotation = read_v3f(L, 4);
- co->setBonePosition(bone, position, rotation);
- return 0;
- }
-
- // set_attach(self, parent, bone, position, rotation)
- static int l_set_attach(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ObjectRef *parent_ref = checkobject(L, 2);
- ServerActiveObject *co = getobject(ref);
- ServerActiveObject *parent = getobject(parent_ref);
- if(co == NULL) return 0;
- if(parent == NULL) return 0;
- // Do it
- std::string bone = "";
- if(!lua_isnil(L, 3))
- bone = lua_tostring(L, 3);
- v3f position = v3f(0, 0, 0);
- if(!lua_isnil(L, 4))
- position = read_v3f(L, 4);
- v3f rotation = v3f(0, 0, 0);
- if(!lua_isnil(L, 5))
- rotation = read_v3f(L, 5);
- co->setAttachment(parent->getId(), bone, position, rotation);
- return 0;
- }
-
- // set_detach(self)
- static int l_set_detach(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- co->setAttachment(0, "", v3f(0,0,0), v3f(0,0,0));
- return 0;
- }
-
- // set_properties(self, properties)
- static int l_set_properties(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- ObjectProperties *prop = co->accessObjectProperties();
- if(!prop)
- return 0;
- read_object_properties(L, 2, prop);
- co->notifyObjectPropertiesModified();
- return 0;
- }
-
- /* LuaEntitySAO-only */
-
- // setvelocity(self, {x=num, y=num, z=num})
- static int l_setvelocity(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- v3f pos = checkFloatPos(L, 2);
- // Do it
- co->setVelocity(pos);
- return 0;
- }
-
- // getvelocity(self)
- static int l_getvelocity(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- v3f v = co->getVelocity();
- pushFloatPos(L, v);
- return 1;
- }
-
- // setacceleration(self, {x=num, y=num, z=num})
- static int l_setacceleration(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = checkFloatPos(L, 2);
- // Do it
- co->setAcceleration(pos);
- return 0;
- }
-
- // getacceleration(self)
- static int l_getacceleration(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- v3f v = co->getAcceleration();
- pushFloatPos(L, v);
- return 1;
- }
-
- // setyaw(self, radians)
- static int l_setyaw(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
- // Do it
- co->setYaw(yaw);
- return 0;
- }
-
- // getyaw(self)
- static int l_getyaw(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- float yaw = co->getYaw() * core::DEGTORAD;
- lua_pushnumber(L, yaw);
- return 1;
- }
-
- // settexturemod(self, mod)
- static int l_settexturemod(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- std::string mod = luaL_checkstring(L, 2);
- co->setTextureMod(mod);
- return 0;
- }
-
- // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
- // select_horiz_by_yawpitch=false)
- static int l_setsprite(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- v2s16 p(0,0);
- if(!lua_isnil(L, 2))
- p = read_v2s16(L, 2);
- int num_frames = 1;
- if(!lua_isnil(L, 3))
- num_frames = lua_tonumber(L, 3);
- float framelength = 0.2;
- if(!lua_isnil(L, 4))
- framelength = lua_tonumber(L, 4);
- bool select_horiz_by_yawpitch = false;
- if(!lua_isnil(L, 5))
- select_horiz_by_yawpitch = lua_toboolean(L, 5);
- co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
- return 0;
- }
-
- // DEPRECATED
- // get_entity_name(self)
- static int l_get_entity_name(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- std::string name = co->getName();
- lua_pushstring(L, name.c_str());
- return 1;
- }
-
- // get_luaentity(self)
- static int l_get_luaentity(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- luaentity_get(L, co->getId());
- return 1;
- }
-
- /* Player-only */
-
- // is_player(self)
- static int l_is_player(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- lua_pushboolean(L, (player != NULL));
- return 1;
- }
-
- // get_player_name(self)
- static int l_get_player_name(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- if(player == NULL){
- lua_pushlstring(L, "", 0);
- return 1;
- }
- // Do it
- lua_pushstring(L, player->getName());
- return 1;
- }
-
- // get_look_dir(self)
- static int l_get_look_dir(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- float pitch = player->getRadPitch();
- float yaw = player->getRadYaw();
- v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
- push_v3f(L, v);
- return 1;
- }
-
- // get_look_pitch(self)
- static int l_get_look_pitch(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- lua_pushnumber(L, player->getRadPitch());
- return 1;
- }
-
- // get_look_yaw(self)
- static int l_get_look_yaw(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- lua_pushnumber(L, player->getRadYaw());
- return 1;
- }
-
- // set_inventory_formspec(self, formspec)
- static int l_set_inventory_formspec(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- if(player == NULL) return 0;
- std::string formspec = luaL_checkstring(L, 2);
-
- player->inventory_formspec = formspec;
- get_server(L)->reportInventoryFormspecModified(player->getName());
- lua_pushboolean(L, true);
- return 1;
- }
-
- // get_inventory_formspec(self) -> formspec
- static int l_get_inventory_formspec(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- if(player == NULL) return 0;
-
- std::string formspec = player->inventory_formspec;
- lua_pushlstring(L, formspec.c_str(), formspec.size());
- return 1;
- }
-
- // get_player_control(self)
- static int l_get_player_control(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- if(player == NULL){
- lua_pushlstring(L, "", 0);
- return 1;
- }
- // Do it
- PlayerControl control = player->getPlayerControl();
- lua_newtable(L);
- lua_pushboolean(L, control.up);
- lua_setfield(L, -2, "up");
- lua_pushboolean(L, control.down);
- lua_setfield(L, -2, "down");
- lua_pushboolean(L, control.left);
- lua_setfield(L, -2, "left");
- lua_pushboolean(L, control.right);
- lua_setfield(L, -2, "right");
- lua_pushboolean(L, control.jump);
- lua_setfield(L, -2, "jump");
- lua_pushboolean(L, control.aux1);
- lua_setfield(L, -2, "aux1");
- lua_pushboolean(L, control.sneak);
- lua_setfield(L, -2, "sneak");
- lua_pushboolean(L, control.LMB);
- lua_setfield(L, -2, "LMB");
- lua_pushboolean(L, control.RMB);
- lua_setfield(L, -2, "RMB");
- return 1;
- }
-
- // get_player_control_bits(self)
- static int l_get_player_control_bits(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- Player *player = getplayer(ref);
- if(player == NULL){
- lua_pushlstring(L, "", 0);
- return 1;
- }
- // Do it
- lua_pushnumber(L, player->keyPressed);
- return 1;
- }
-
-public:
- ObjectRef(ServerActiveObject *object):
- m_object(object)
- {
- //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
- }
-
- ~ObjectRef()
- {
- /*if(m_object)
- infostream<<"ObjectRef destructing for id="
- <<m_object->getId()<<std::endl;
- else
- infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
- }
-
- // Creates an ObjectRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerActiveObject *object)
- {
- ObjectRef *o = new ObjectRef(object);
- //infostream<<"ObjectRef::create: o="<<o<<std::endl;
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
-
- static void set_null(lua_State *L)
- {
- ObjectRef *o = checkobject(L, -1);
- o->m_object = NULL;
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
-};
-const char ObjectRef::className[] = "ObjectRef";
-const luaL_reg ObjectRef::methods[] = {
- // ServerActiveObject
- method(ObjectRef, remove),
- method(ObjectRef, getpos),
- method(ObjectRef, setpos),
- method(ObjectRef, moveto),
- method(ObjectRef, punch),
- method(ObjectRef, right_click),
- method(ObjectRef, set_hp),
- method(ObjectRef, get_hp),
- method(ObjectRef, get_inventory),
- method(ObjectRef, get_wield_list),
- method(ObjectRef, get_wield_index),
- method(ObjectRef, get_wielded_item),
- method(ObjectRef, set_wielded_item),
- method(ObjectRef, set_armor_groups),
- method(ObjectRef, set_animation),
- method(ObjectRef, set_bone_position),
- method(ObjectRef, set_attach),
- method(ObjectRef, set_detach),
- method(ObjectRef, set_properties),
- // LuaEntitySAO-only
- method(ObjectRef, setvelocity),
- method(ObjectRef, getvelocity),
- method(ObjectRef, setacceleration),
- method(ObjectRef, getacceleration),
- method(ObjectRef, setyaw),
- method(ObjectRef, getyaw),
- method(ObjectRef, settexturemod),
- method(ObjectRef, setsprite),
- method(ObjectRef, get_entity_name),
- method(ObjectRef, get_luaentity),
- // Player-only
- method(ObjectRef, is_player),
- method(ObjectRef, get_player_name),
- method(ObjectRef, get_look_dir),
- method(ObjectRef, get_look_pitch),
- method(ObjectRef, get_look_yaw),
- method(ObjectRef, set_inventory_formspec),
- method(ObjectRef, get_inventory_formspec),
- method(ObjectRef, get_player_control),
- method(ObjectRef, get_player_control_bits),
- {0,0}
-};
-
-// Creates a new anonymous reference if cobj=NULL or id=0
-static void objectref_get_or_create(lua_State *L,
- ServerActiveObject *cobj)
-{
- if(cobj == NULL || cobj->getId() == 0){
- ObjectRef::create(L, cobj);
- } else {
- objectref_get(L, cobj->getId());
- }
-}
-
-class LuaPerlinNoise
-{
-private:
- int seed;
- int octaves;
- float persistence;
- float scale;
- static const char className[];
- static const luaL_reg methods[];
-
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L)
- {
- LuaPerlinNoise *o = *(LuaPerlinNoise **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
-
- static int l_get2d(lua_State *L)
- {
- LuaPerlinNoise *o = checkobject(L, 1);
- v2f pos2d = read_v2f(L,2);
- lua_Number val = noise2d_perlin(pos2d.X/o->scale, pos2d.Y/o->scale, o->seed, o->octaves, o->persistence);
- lua_pushnumber(L, val);
- return 1;
- }
- static int l_get3d(lua_State *L)
- {
- LuaPerlinNoise *o = checkobject(L, 1);
- v3f pos3d = read_v3f(L,2);
- lua_Number val = noise3d_perlin(pos3d.X/o->scale, pos3d.Y/o->scale, pos3d.Z/o->scale, o->seed, o->octaves, o->persistence);
- lua_pushnumber(L, val);
- return 1;
- }
-
-public:
- LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
- float a_scale):
- seed(a_seed),
- octaves(a_octaves),
- persistence(a_persistence),
- scale(a_scale)
- {
- }
-
- ~LuaPerlinNoise()
- {
- }
-
- // LuaPerlinNoise(seed, octaves, persistence, scale)
- // Creates an LuaPerlinNoise and leaves it on top of stack
- static int create_object(lua_State *L)
- {
- int seed = luaL_checkint(L, 1);
- int octaves = luaL_checkint(L, 2);
- float persistence = luaL_checknumber(L, 3);
- float scale = luaL_checknumber(L, 4);
- LuaPerlinNoise *o = new LuaPerlinNoise(seed, octaves, persistence, scale);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- return 1;
- }
-
- static LuaPerlinNoise* checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(LuaPerlinNoise**)ud; // unbox pointer
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Can be created from Lua (PerlinNoise(seed, octaves, persistence)
- lua_register(L, className, create_object);
- }
-};
-const char LuaPerlinNoise::className[] = "PerlinNoise";
-const luaL_reg LuaPerlinNoise::methods[] = {
- method(LuaPerlinNoise, get2d),
- method(LuaPerlinNoise, get3d),
- {0,0}
-};
-
-/*
- PerlinNoiseMap
- */
-class LuaPerlinNoiseMap
-{
-private:
- Noise *noise;
- static const char className[];
- static const luaL_reg methods[];
-
- static int gc_object(lua_State *L)
- {
- LuaPerlinNoiseMap *o = *(LuaPerlinNoiseMap **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
-
- static int l_get2dMap(lua_State *L)
- {
- int i = 0;
-
- LuaPerlinNoiseMap *o = checkobject(L, 1);
- v2f p = read_v2f(L, 2);
-
- Noise *n = o->noise;
- n->perlinMap2D(p.X, p.Y);
-
- lua_newtable(L);
- for (int y = 0; y != n->sy; y++) {
- lua_newtable(L);
- for (int x = 0; x != n->sx; x++) {
- float noiseval = n->np->offset + n->np->scale * n->result[i++];
- lua_pushnumber(L, noiseval);
- lua_rawseti(L, -2, x + 1);
- }
- lua_rawseti(L, -2, y + 1);
- }
- return 1;
- }
-
- static int l_get3dMap(lua_State *L)
- {
- int i = 0;
-
- LuaPerlinNoiseMap *o = checkobject(L, 1);
- v3f p = read_v3f(L, 2);
-
- Noise *n = o->noise;
- n->perlinMap3D(p.X, p.Y, p.Z);
-
- lua_newtable(L);
- for (int z = 0; z != n->sz; z++) {
- lua_newtable(L);
- for (int y = 0; y != n->sy; y++) {
- lua_newtable(L);
- for (int x = 0; x != n->sx; x++) {
- lua_pushnumber(L, n->np->offset + n->np->scale * n->result[i++]);
- lua_rawseti(L, -2, x + 1);
- }
- lua_rawseti(L, -2, y + 1);
- }
- lua_rawseti(L, -2, z + 1);
- }
- return 1;
- }
-
-public:
- LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size) {
- noise = new Noise(np, seed, size.X, size.Y, size.Z);
- }
-
- ~LuaPerlinNoiseMap()
- {
- delete noise->np;
- delete noise;
- }
-
- // LuaPerlinNoiseMap(np, size)
- // Creates an LuaPerlinNoiseMap and leaves it on top of stack
- static int create_object(lua_State *L)
- {
- NoiseParams *np = read_noiseparams(L, 1);
- if (!np)
- return 0;
- v3s16 size = read_v3s16(L, 2);
-
- LuaPerlinNoiseMap *o = new LuaPerlinNoiseMap(np, 0, size);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- return 1;
- }
-
- static LuaPerlinNoiseMap *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
-
- void *ud = luaL_checkudata(L, narg, className);
- if (!ud)
- luaL_typerror(L, narg, className);
-
- return *(LuaPerlinNoiseMap **)ud; // unbox pointer
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Can be created from Lua (PerlinNoiseMap(np, size)
- lua_register(L, className, create_object);
- }
-};
-const char LuaPerlinNoiseMap::className[] = "PerlinNoiseMap";
-const luaL_reg LuaPerlinNoiseMap::methods[] = {
- method(LuaPerlinNoiseMap, get2dMap),
- method(LuaPerlinNoiseMap, get3dMap),
- {0,0}
-};
-
-/*
- NodeTimerRef
-*/
-
-class NodeTimerRef
-{
-private:
- v3s16 m_p;
- ServerEnvironment *m_env;
-
- static const char className[];
- static const luaL_reg methods[];
-
- static int gc_object(lua_State *L) {
- NodeTimerRef *o = *(NodeTimerRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
-
- static NodeTimerRef *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(NodeTimerRef**)ud; // unbox pointer
- }
-
- static int l_set(lua_State *L)
- {
- NodeTimerRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- f32 t = luaL_checknumber(L,2);
- f32 e = luaL_checknumber(L,3);
- env->getMap().setNodeTimer(o->m_p,NodeTimer(t,e));
- return 0;
- }
-
- static int l_start(lua_State *L)
- {
- NodeTimerRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- f32 t = luaL_checknumber(L,2);
- env->getMap().setNodeTimer(o->m_p,NodeTimer(t,0));
- return 0;
- }
-
- static int l_stop(lua_State *L)
- {
- NodeTimerRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- env->getMap().removeNodeTimer(o->m_p);
- return 0;
- }
-
- static int l_is_started(lua_State *L)
- {
- NodeTimerRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
-
- NodeTimer t = env->getMap().getNodeTimer(o->m_p);
- lua_pushboolean(L,(t.timeout != 0));
- return 1;
- }
-
- static int l_get_timeout(lua_State *L)
- {
- NodeTimerRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
-
- NodeTimer t = env->getMap().getNodeTimer(o->m_p);
- lua_pushnumber(L,t.timeout);
- return 1;
- }
-
- static int l_get_elapsed(lua_State *L)
- {
- NodeTimerRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
-
- NodeTimer t = env->getMap().getNodeTimer(o->m_p);
- lua_pushnumber(L,t.elapsed);
- return 1;
- }
-
-public:
- NodeTimerRef(v3s16 p, ServerEnvironment *env):
- m_p(p),
- m_env(env)
- {
- }
-
- ~NodeTimerRef()
- {
- }
-
- // Creates an NodeTimerRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, v3s16 p, ServerEnvironment *env)
- {
- NodeTimerRef *o = new NodeTimerRef(p, env);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
-
- static void set_null(lua_State *L)
- {
- NodeTimerRef *o = checkobject(L, -1);
- o->m_env = NULL;
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
-};
-const char NodeTimerRef::className[] = "NodeTimerRef";
-const luaL_reg NodeTimerRef::methods[] = {
- method(NodeTimerRef, start),
- method(NodeTimerRef, set),
- method(NodeTimerRef, stop),
- method(NodeTimerRef, is_started),
- method(NodeTimerRef, get_timeout),
- method(NodeTimerRef, get_elapsed),
- {0,0}
-};
-
-/*
- EnvRef
-*/
-
-class EnvRef
-{
-private:
- ServerEnvironment *m_env;
-
- static const char className[];
- static const luaL_reg methods[];
-
- static int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
-
- static EnvRef *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(EnvRef**)ud; // unbox pointer
- }
-
- // Exported functions
-
- // EnvRef:set_node(pos, node)
- // pos = {x=num, y=num, z=num}
- static int l_set_node(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- INodeDefManager *ndef = env->getGameDef()->ndef();
- // parameters
- v3s16 pos = read_v3s16(L, 2);
- MapNode n = readnode(L, 3, ndef);
- // Do it
- bool succeeded = env->setNode(pos, n);
- lua_pushboolean(L, succeeded);
- return 1;
- }
-
- static int l_add_node(lua_State *L)
- {
- return l_set_node(L);
- }
-
- // EnvRef:remove_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_remove_node(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- INodeDefManager *ndef = env->getGameDef()->ndef();
- // parameters
- v3s16 pos = read_v3s16(L, 2);
- // Do it
- bool succeeded = env->removeNode(pos);
- lua_pushboolean(L, succeeded);
- return 1;
- }
-
- // EnvRef:get_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_get_node(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = read_v3s16(L, 2);
- // Do it
- MapNode n = env->getMap().getNodeNoEx(pos);
- // Return node
- pushnode(L, n, env->getGameDef()->ndef());
- return 1;
- }
-
- // EnvRef:get_node_or_nil(pos)
- // pos = {x=num, y=num, z=num}
- static int l_get_node_or_nil(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = read_v3s16(L, 2);
- // Do it
- try{
- MapNode n = env->getMap().getNode(pos);
- // Return node
- pushnode(L, n, env->getGameDef()->ndef());
- return 1;
- } catch(InvalidPositionException &e)
- {
- lua_pushnil(L);
- return 1;
- }
- }
-
- // EnvRef:get_node_light(pos, timeofday)
- // pos = {x=num, y=num, z=num}
- // timeofday: nil = current time, 0 = night, 0.5 = day
- static int l_get_node_light(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- v3s16 pos = read_v3s16(L, 2);
- u32 time_of_day = env->getTimeOfDay();
- if(lua_isnumber(L, 3))
- time_of_day = 24000.0 * lua_tonumber(L, 3);
- time_of_day %= 24000;
- u32 dnr = time_to_daynight_ratio(time_of_day, true);
- MapNode n = env->getMap().getNodeNoEx(pos);
- try{
- MapNode n = env->getMap().getNode(pos);
- INodeDefManager *ndef = env->getGameDef()->ndef();
- lua_pushinteger(L, n.getLightBlend(dnr, ndef));
- return 1;
- } catch(InvalidPositionException &e)
- {
- lua_pushnil(L);
- return 1;
- }
- }
-
- // EnvRef:place_node(pos, node)
- // pos = {x=num, y=num, z=num}
- static int l_place_node(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- v3s16 pos = read_v3s16(L, 2);
- MapNode n = readnode(L, 3, env->getGameDef()->ndef());
-
- // Don't attempt to load non-loaded area as of now
- MapNode n_old = env->getMap().getNodeNoEx(pos);
- if(n_old.getContent() == CONTENT_IGNORE){
- lua_pushboolean(L, false);
- return 1;
- }
- // Create item to place
- INodeDefManager *ndef = get_server(L)->ndef();
- IItemDefManager *idef = get_server(L)->idef();
- ItemStack item(ndef->get(n).name, 1, 0, "", idef);
- // Make pointed position
- PointedThing pointed;
- pointed.type = POINTEDTHING_NODE;
- pointed.node_abovesurface = pos;
- pointed.node_undersurface = pos + v3s16(0,-1,0);
- // Place it with a NULL placer (appears in Lua as a non-functional
- // ObjectRef)
- bool success = scriptapi_item_on_place(L, item, NULL, pointed);
- lua_pushboolean(L, success);
- return 1;
- }
-
- // EnvRef:dig_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_dig_node(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- v3s16 pos = read_v3s16(L, 2);
-
- // Don't attempt to load non-loaded area as of now
- MapNode n = env->getMap().getNodeNoEx(pos);
- if(n.getContent() == CONTENT_IGNORE){
- lua_pushboolean(L, false);
- return 1;
- }
- // Dig it out with a NULL digger (appears in Lua as a
- // non-functional ObjectRef)
- bool success = scriptapi_node_on_dig(L, pos, n, NULL);
- lua_pushboolean(L, success);
- return 1;
- }
-
- // EnvRef:punch_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_punch_node(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- v3s16 pos = read_v3s16(L, 2);
-
- // Don't attempt to load non-loaded area as of now
- MapNode n = env->getMap().getNodeNoEx(pos);
- if(n.getContent() == CONTENT_IGNORE){
- lua_pushboolean(L, false);
- return 1;
- }
- // Punch it with a NULL puncher (appears in Lua as a non-functional
- // ObjectRef)
- bool success = scriptapi_node_on_punch(L, pos, n, NULL);
- lua_pushboolean(L, success);
- return 1;
- }
-
- // EnvRef:get_meta(pos)
- static int l_get_meta(lua_State *L)
- {
- //infostream<<"EnvRef::l_get_meta()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- v3s16 p = read_v3s16(L, 2);
- NodeMetaRef::create(L, p, env);
- return 1;
- }
-
- // EnvRef:get_node_timer(pos)
- static int l_get_node_timer(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- v3s16 p = read_v3s16(L, 2);
- NodeTimerRef::create(L, p, env);
- return 1;
- }
-
- // EnvRef:add_entity(pos, entityname) -> ObjectRef or nil
- // pos = {x=num, y=num, z=num}
- static int l_add_entity(lua_State *L)
- {
- //infostream<<"EnvRef::l_add_entity()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = checkFloatPos(L, 2);
- // content
- const char *name = luaL_checkstring(L, 3);
- // Do it
- ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
- int objectid = env->addActiveObject(obj);
- // If failed to add, return nothing (reads as nil)
- if(objectid == 0)
- return 0;
- // Return ObjectRef
- objectref_get_or_create(L, obj);
- return 1;
- }
-
- // EnvRef:add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
- // pos = {x=num, y=num, z=num}
- static int l_add_item(lua_State *L)
- {
- //infostream<<"EnvRef::l_add_item()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = checkFloatPos(L, 2);
- // item
- ItemStack item = read_item(L, 3);
- if(item.empty() || !item.isKnown(get_server(L)->idef()))
- return 0;
- // Use minetest.spawn_item to spawn a __builtin:item
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "spawn_item");
- if(lua_isnil(L, -1))
- return 0;
- lua_pushvalue(L, 2);
- lua_pushstring(L, item.getItemString().c_str());
- if(lua_pcall(L, 2, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- return 1;
- /*lua_pushvalue(L, 1);
- lua_pushstring(L, "__builtin:item");
- lua_pushstring(L, item.getItemString().c_str());
- return l_add_entity(L);*/
- /*// Do it
- ServerActiveObject *obj = createItemSAO(env, pos, item.getItemString());
- int objectid = env->addActiveObject(obj);
- // If failed to add, return nothing (reads as nil)
- if(objectid == 0)
- return 0;
- // Return ObjectRef
- objectref_get_or_create(L, obj);
- return 1;*/
- }
-
- // EnvRef:add_rat(pos)
- // pos = {x=num, y=num, z=num}
- static int l_add_rat(lua_State *L)
- {
- infostream<<"EnvRef::l_add_rat(): C++ mobs have been removed."
- <<" Doing nothing."<<std::endl;
- return 0;
- }
-
- // EnvRef:add_firefly(pos)
- // pos = {x=num, y=num, z=num}
- static int l_add_firefly(lua_State *L)
- {
- infostream<<"EnvRef::l_add_firefly(): C++ mobs have been removed."
- <<" Doing nothing."<<std::endl;
- return 0;
- }
-
- // EnvRef:get_player_by_name(name)
- static int l_get_player_by_name(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- const char *name = luaL_checkstring(L, 2);
- Player *player = env->getPlayer(name);
- if(player == NULL){
- lua_pushnil(L);
- return 1;
- }
- PlayerSAO *sao = player->getPlayerSAO();
- if(sao == NULL){
- lua_pushnil(L);
- return 1;
- }
- // Put player on stack
- objectref_get_or_create(L, sao);
- return 1;
- }
-
- // EnvRef:get_objects_inside_radius(pos, radius)
- static int l_get_objects_inside_radius(lua_State *L)
- {
- // Get the table insert function
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Get environemnt
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- v3f pos = checkFloatPos(L, 2);
- float radius = luaL_checknumber(L, 3) * BS;
- std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
- lua_newtable(L);
- int table = lua_gettop(L);
- for(std::set<u16>::const_iterator
- i = ids.begin(); i != ids.end(); i++){
- ServerActiveObject *obj = env->getActiveObject(*i);
- // Insert object reference into table
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, table);
- objectref_get_or_create(L, obj);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
- return 1;
- }
-
- // EnvRef:set_timeofday(val)
- // val = 0...1
- static int l_set_timeofday(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- float timeofday_f = luaL_checknumber(L, 2);
- assert(timeofday_f >= 0.0 && timeofday_f <= 1.0);
- int timeofday_mh = (int)(timeofday_f * 24000.0);
- // This should be set directly in the environment but currently
- // such changes aren't immediately sent to the clients, so call
- // the server instead.
- //env->setTimeOfDay(timeofday_mh);
- get_server(L)->setTimeOfDay(timeofday_mh);
- return 0;
- }
-
- // EnvRef:get_timeofday() -> 0...1
- static int l_get_timeofday(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- int timeofday_mh = env->getTimeOfDay();
- float timeofday_f = (float)timeofday_mh / 24000.0;
- lua_pushnumber(L, timeofday_f);
- return 1;
- }
-
-
- // EnvRef:find_node_near(pos, radius, nodenames) -> pos or nil
- // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
- static int l_find_node_near(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- INodeDefManager *ndef = get_server(L)->ndef();
- v3s16 pos = read_v3s16(L, 2);
- int radius = luaL_checkinteger(L, 3);
- std::set<content_t> filter;
- if(lua_istable(L, 4)){
- int table = 4;
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TSTRING);
- ndef->getIds(lua_tostring(L, -1), filter);
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- } else if(lua_isstring(L, 4)){
- ndef->getIds(lua_tostring(L, 4), filter);
- }
-
- for(int d=1; d<=radius; d++){
- core::list<v3s16> list;
- getFacePositions(list, d);
- for(core::list<v3s16>::Iterator i = list.begin();
- i != list.end(); i++){
- v3s16 p = pos + (*i);
- content_t c = env->getMap().getNodeNoEx(p).getContent();
- if(filter.count(c) != 0){
- push_v3s16(L, p);
- return 1;
- }
- }
- }
- return 0;
- }
-
- // EnvRef:find_nodes_in_area(minp, maxp, nodenames) -> list of positions
- // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
- static int l_find_nodes_in_area(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- INodeDefManager *ndef = get_server(L)->ndef();
- v3s16 minp = read_v3s16(L, 2);
- v3s16 maxp = read_v3s16(L, 3);
- std::set<content_t> filter;
- if(lua_istable(L, 4)){
- int table = 4;
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TSTRING);
- ndef->getIds(lua_tostring(L, -1), filter);
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- } else if(lua_isstring(L, 4)){
- ndef->getIds(lua_tostring(L, 4), filter);
- }
-
- // Get the table insert function
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
-
- lua_newtable(L);
- int table = lua_gettop(L);
- for(s16 x=minp.X; x<=maxp.X; x++)
- for(s16 y=minp.Y; y<=maxp.Y; y++)
- for(s16 z=minp.Z; z<=maxp.Z; z++)
- {
- v3s16 p(x,y,z);
- content_t c = env->getMap().getNodeNoEx(p).getContent();
- if(filter.count(c) != 0){
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, table);
- push_v3s16(L, p);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
- }
- return 1;
- }
-
- // EnvRef:get_perlin(seeddiff, octaves, persistence, scale)
- // returns world-specific PerlinNoise
- static int l_get_perlin(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
-
- int seeddiff = luaL_checkint(L, 2);
- int octaves = luaL_checkint(L, 3);
- float persistence = luaL_checknumber(L, 4);
- float scale = luaL_checknumber(L, 5);
-
- LuaPerlinNoise *n = new LuaPerlinNoise(seeddiff + int(env->getServerMap().getSeed()), octaves, persistence, scale);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = n;
- luaL_getmetatable(L, "PerlinNoise");
- lua_setmetatable(L, -2);
- return 1;
- }
-
- // EnvRef:get_perlin_map(noiseparams, size)
- // returns world-specific PerlinNoiseMap
- static int l_get_perlin_map(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if (env == NULL)
- return 0;
-
- NoiseParams *np = read_noiseparams(L, 2);
- if (!np)
- return 0;
- v3s16 size = read_v3s16(L, 3);
-
- int seed = (int)(env->getServerMap().getSeed());
- LuaPerlinNoiseMap *n = new LuaPerlinNoiseMap(np, seed, size);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = n;
- luaL_getmetatable(L, "PerlinNoiseMap");
- lua_setmetatable(L, -2);
- return 1;
- }
-
- // EnvRef:clear_objects()
- // clear all objects in the environment
- static int l_clear_objects(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- o->m_env->clearAllObjects();
- return 0;
- }
-
- static int l_spawn_tree(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- v3s16 p0 = read_v3s16(L, 2);
-
- treegen::TreeDef tree_def;
- std::string trunk,leaves,fruit;
- INodeDefManager *ndef = env->getGameDef()->ndef();
-
- if(lua_istable(L, 3))
- {
- getstringfield(L, 3, "axiom", tree_def.initial_axiom);
- getstringfield(L, 3, "rules_a", tree_def.rules_a);
- getstringfield(L, 3, "rules_b", tree_def.rules_b);
- getstringfield(L, 3, "rules_c", tree_def.rules_c);
- getstringfield(L, 3, "rules_d", tree_def.rules_d);
- getstringfield(L, 3, "trunk", trunk);
- tree_def.trunknode=ndef->getId(trunk);
- getstringfield(L, 3, "leaves", leaves);
- tree_def.leavesnode=ndef->getId(leaves);
- tree_def.leaves2_chance=0;
- getstringfield(L, 3, "leaves2", leaves);
- if (leaves !="")
- {
- tree_def.leaves2node=ndef->getId(leaves);
- getintfield(L, 3, "leaves2_chance", tree_def.leaves2_chance);
- }
- getintfield(L, 3, "angle", tree_def.angle);
- getintfield(L, 3, "iterations", tree_def.iterations);
- getintfield(L, 3, "random_level", tree_def.iterations_random_level);
- getstringfield(L, 3, "trunk_type", tree_def.trunk_type);
- getboolfield(L, 3, "thin_branches", tree_def.thin_branches);
- tree_def.fruit_chance=0;
- getstringfield(L, 3, "fruit", fruit);
- if (fruit != "")
- {
- tree_def.fruitnode=ndef->getId(fruit);
- getintfield(L, 3, "fruit_chance",tree_def.fruit_chance);
- }
- getintfield(L, 3, "seed", tree_def.seed);
- }
- else
- return 0;
- treegen::spawn_ltree (env, p0, ndef, tree_def);
- return 1;
- }
-
-public:
- EnvRef(ServerEnvironment *env):
- m_env(env)
- {
- //infostream<<"EnvRef created"<<std::endl;
- }
-
- ~EnvRef()
- {
- //infostream<<"EnvRef destructing"<<std::endl;
- }
-
- // Creates an EnvRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerEnvironment *env)
- {
- EnvRef *o = new EnvRef(env);
- //infostream<<"EnvRef::create: o="<<o<<std::endl;
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
-
- static void set_null(lua_State *L)
- {
- EnvRef *o = checkobject(L, -1);
- o->m_env = NULL;
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
-};
-const char EnvRef::className[] = "EnvRef";
-const luaL_reg EnvRef::methods[] = {
- method(EnvRef, set_node),
- method(EnvRef, add_node),
- method(EnvRef, remove_node),
- method(EnvRef, get_node),
- method(EnvRef, get_node_or_nil),
- method(EnvRef, get_node_light),
- method(EnvRef, place_node),
- method(EnvRef, dig_node),
- method(EnvRef, punch_node),
- method(EnvRef, add_entity),
- method(EnvRef, add_item),
- method(EnvRef, add_rat),
- method(EnvRef, add_firefly),
- method(EnvRef, get_meta),
- method(EnvRef, get_node_timer),
- method(EnvRef, get_player_by_name),
- method(EnvRef, get_objects_inside_radius),
- method(EnvRef, set_timeofday),
- method(EnvRef, get_timeofday),
- method(EnvRef, find_node_near),
- method(EnvRef, find_nodes_in_area),
- method(EnvRef, get_perlin),
- method(EnvRef, get_perlin_map),
- method(EnvRef, clear_objects),
- method(EnvRef, spawn_tree),
- {0,0}
-};
-
-/*
- LuaPseudoRandom
-*/
-
-
-class LuaPseudoRandom
-{
-private:
- PseudoRandom m_pseudo;
-
- static const char className[];
- static const luaL_reg methods[];
-
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L)
- {
- LuaPseudoRandom *o = *(LuaPseudoRandom **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
-
- // next(self, min=0, max=32767) -> get next value
- static int l_next(lua_State *L)
- {
- LuaPseudoRandom *o = checkobject(L, 1);
- int min = 0;
- int max = 32767;
- lua_settop(L, 3); // Fill 2 and 3 with nil if they don't exist
- if(!lua_isnil(L, 2))
- min = luaL_checkinteger(L, 2);
- if(!lua_isnil(L, 3))
- max = luaL_checkinteger(L, 3);
- if(max < min){
- errorstream<<"PseudoRandom.next(): max="<<max<<" min="<<min<<std::endl;
- throw LuaError(L, "PseudoRandom.next(): max < min");
- }
- if(max - min != 32767 && max - min > 32767/5)
- throw LuaError(L, "PseudoRandom.next() max-min is not 32767 and is > 32768/5. This is disallowed due to the bad random distribution the implementation would otherwise make.");
- PseudoRandom &pseudo = o->m_pseudo;
- int val = pseudo.next();
- val = (val % (max-min+1)) + min;
- lua_pushinteger(L, val);
- return 1;
- }
-
-public:
- LuaPseudoRandom(int seed):
- m_pseudo(seed)
- {
- }
-
- ~LuaPseudoRandom()
- {
- }
-
- const PseudoRandom& getItem() const
- {
- return m_pseudo;
- }
- PseudoRandom& getItem()
- {
- return m_pseudo;
- }
-
- // LuaPseudoRandom(seed)
- // Creates an LuaPseudoRandom and leaves it on top of stack
- static int create_object(lua_State *L)
- {
- int seed = luaL_checknumber(L, 1);
- LuaPseudoRandom *o = new LuaPseudoRandom(seed);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- return 1;
- }
-
- static LuaPseudoRandom* checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(LuaPseudoRandom**)ud; // unbox pointer
- }
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Can be created from Lua (LuaPseudoRandom(seed))
- lua_register(L, className, create_object);
- }
-};
-const char LuaPseudoRandom::className[] = "PseudoRandom";
-const luaL_reg LuaPseudoRandom::methods[] = {
- method(LuaPseudoRandom, next),
- {0,0}
-};
-
-
-
-/*
- LuaABM
-*/
-
-class LuaABM : public ActiveBlockModifier
-{
-private:
- lua_State *m_lua;
- int m_id;
-
- std::set<std::string> m_trigger_contents;
- std::set<std::string> m_required_neighbors;
- float m_trigger_interval;
- u32 m_trigger_chance;
-public:
- LuaABM(lua_State *L, int id,
- const std::set<std::string> &trigger_contents,
- const std::set<std::string> &required_neighbors,
- float trigger_interval, u32 trigger_chance):
- m_lua(L),
- m_id(id),
- m_trigger_contents(trigger_contents),
- m_required_neighbors(required_neighbors),
- m_trigger_interval(trigger_interval),
- m_trigger_chance(trigger_chance)
- {
- }
- virtual std::set<std::string> getTriggerContents()
- {
- return m_trigger_contents;
- }
- virtual std::set<std::string> getRequiredNeighbors()
- {
- return m_required_neighbors;
- }
- virtual float getTriggerInterval()
- {
- return m_trigger_interval;
- }
- virtual u32 getTriggerChance()
- {
- return m_trigger_chance;
- }
- virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
- u32 active_object_count, u32 active_object_count_wider)
- {
- lua_State *L = m_lua;
-
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_abms
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_abms");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_abms = lua_gettop(L);
-
- // Get minetest.registered_abms[m_id]
- lua_pushnumber(L, m_id);
- lua_gettable(L, registered_abms);
- if(lua_isnil(L, -1))
- assert(0);
-
- // Call action
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, "action");
- luaL_checktype(L, -1, LUA_TFUNCTION);
- push_v3s16(L, p);
- pushnode(L, n, env->getGameDef()->ndef());
- lua_pushnumber(L, active_object_count);
- lua_pushnumber(L, active_object_count_wider);
- if(lua_pcall(L, 4, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
-};
-
-/*
- ServerSoundParams
-*/
-
-static void read_server_sound_params(lua_State *L, int index,
- ServerSoundParams ¶ms)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
- // Clear
- params = ServerSoundParams();
- if(lua_istable(L, index)){
- getfloatfield(L, index, "gain", params.gain);
- getstringfield(L, index, "to_player", params.to_player);
- lua_getfield(L, index, "pos");
- if(!lua_isnil(L, -1)){
- v3f p = read_v3f(L, -1)*BS;
- params.pos = p;
- params.type = ServerSoundParams::SSP_POSITIONAL;
- }
- lua_pop(L, 1);
- lua_getfield(L, index, "object");
- if(!lua_isnil(L, -1)){
- ObjectRef *ref = ObjectRef::checkobject(L, -1);
- ServerActiveObject *sao = ObjectRef::getobject(ref);
- if(sao){
- params.object = sao->getId();
- params.type = ServerSoundParams::SSP_OBJECT;
- }
- }
- lua_pop(L, 1);
- params.max_hear_distance = BS*getfloatfield_default(L, index,
- "max_hear_distance", params.max_hear_distance/BS);
- getboolfield(L, index, "loop", params.loop);
- }
-}
-
-/*
- Global functions
-*/
-
-// debug(text)
-// Writes a line to dstream
-static int l_debug(lua_State *L)
-{
- std::string text = lua_tostring(L, 1);
- dstream << text << std::endl;
- return 0;
-}
-
-// log([level,] text)
-// Writes a line to the logger.
-// The one-argument version logs to infostream.
-// The two-argument version accept a log level: error, action, info, or verbose.
-static int l_log(lua_State *L)
-{
- std::string text;
- LogMessageLevel level = LMT_INFO;
- if(lua_isnone(L, 2))
- {
- text = lua_tostring(L, 1);
- }
- else
- {
- std::string levelname = luaL_checkstring(L, 1);
- text = luaL_checkstring(L, 2);
- if(levelname == "error")
- level = LMT_ERROR;
- else if(levelname == "action")
- level = LMT_ACTION;
- else if(levelname == "verbose")
- level = LMT_VERBOSE;
- }
- log_printline(level, text);
- return 0;
-}
-
-// request_shutdown()
-static int l_request_shutdown(lua_State *L)
-{
- get_server(L)->requestShutdown();
- return 0;
-}
-
-// get_server_status()
-static int l_get_server_status(lua_State *L)
-{
- lua_pushstring(L, wide_to_narrow(get_server(L)->getStatusString()).c_str());
- return 1;
-}
-
-// register_biome_groups({frequencies})
-static int l_register_biome_groups(lua_State *L)
-{
- luaL_checktype(L, 1, LUA_TTABLE);
- int index = 1;
- if (!lua_istable(L, index))
- throw LuaError(L, "register_biome_groups: parameter is not a table");
-
- BiomeDefManager *bmgr = get_server(L)->getBiomeDef();
- if (!bmgr) {
- verbosestream << "register_biome_groups: BiomeDefManager not active" << std::endl;
- return 0;
- }
-
- lua_pushnil(L);
- for (int i = 1; lua_next(L, index) != 0; i++) {
- bmgr->addBiomeGroup(lua_tonumber(L, -1));
- lua_pop(L, 1);
- }
- lua_pop(L, 1);
-
- return 0;
-}
-
-// register_biome({lots of stuff})
-static int l_register_biome(lua_State *L)
-{
- luaL_checktype(L, 1, LUA_TTABLE);
- int index = 1, groupid;
- std::string nodename;
-
- IWritableNodeDefManager *ndef = get_server(L)->getWritableNodeDefManager();
- BiomeDefManager *bmgr = get_server(L)->getBiomeDef();
- if (!bmgr) {
- verbosestream << "register_biome: BiomeDefManager not active" << std::endl;
- return 0;
- }
-
- groupid = getintfield_default(L, index, "group_id", 0);
-
- enum BiomeTerrainType terrain = (BiomeTerrainType)getenumfield(L, index,
- "terrain_type", es_BiomeTerrainType, BIOME_TERRAIN_NORMAL);
- Biome *b = bmgr->createBiome(terrain);
-
- b->name = getstringfield_default(L, index, "name", "");
-
- if (getstringfield(L, index, "node_top", nodename))
- b->n_top = MapNode(ndef->getId(nodename));
- else
- b->n_top = MapNode(CONTENT_IGNORE);
-
- if (getstringfield(L, index, "node_filler", nodename))
- b->n_filler = MapNode(ndef->getId(nodename));
- else
- b->n_filler = b->n_top;
-
- b->ntopnodes = getintfield_default(L, index, "num_top_nodes", 0);
-
- b->height_min = getintfield_default(L, index, "height_min", 0);
- b->height_max = getintfield_default(L, index, "height_max", 0);
- b->heat_min = getfloatfield_default(L, index, "heat_min", 0.);
- b->heat_max = getfloatfield_default(L, index, "heat_max", 0.);
- b->humidity_min = getfloatfield_default(L, index, "humidity_min", 0.);
- b->humidity_max = getfloatfield_default(L, index, "humidity_max", 0.);
-
- b->np = new NoiseParams; // should read an entire NoiseParams later on...
- getfloatfield(L, index, "scale", b->np->scale);
- getfloatfield(L, index, "offset", b->np->offset);
-
- b->groupid = (s8)groupid;
- b->flags = 0; //reserved
-
- bmgr->addBiome(b);
-
- verbosestream << "register_biome: " << b->name << std::endl;
- return 0;
-}
-
-// register_item_raw({lots of stuff})
-static int l_register_item_raw(lua_State *L)
-{
- luaL_checktype(L, 1, LUA_TTABLE);
- int table = 1;
-
- // Get the writable item and node definition managers from the server
- IWritableItemDefManager *idef =
- get_server(L)->getWritableItemDefManager();
- IWritableNodeDefManager *ndef =
- get_server(L)->getWritableNodeDefManager();
-
- // Check if name is defined
- std::string name;
- lua_getfield(L, table, "name");
- if(lua_isstring(L, -1)){
- name = lua_tostring(L, -1);
- verbosestream<<"register_item_raw: "<<name<<std::endl;
- } else {
- throw LuaError(L, "register_item_raw: name is not defined or not a string");
- }
-
- // Check if on_use is defined
-
- ItemDefinition def;
- // Set a distinctive default value to check if this is set
- def.node_placement_prediction = "__default";
-
- // Read the item definition
- def = read_item_definition(L, table, def);
-
- // Default to having client-side placement prediction for nodes
- // ("" in item definition sets it off)
- if(def.node_placement_prediction == "__default"){
- if(def.type == ITEM_NODE)
- def.node_placement_prediction = name;
- else
- def.node_placement_prediction = "";
- }
-
- // Register item definition
- idef->registerItem(def);
-
- // Read the node definition (content features) and register it
- if(def.type == ITEM_NODE)
- {
- ContentFeatures f = read_content_features(L, table);
- ndef->set(f.name, f);
- }
-
- return 0; /* number of results */
-}
-
-// register_alias_raw(name, convert_to_name)
-static int l_register_alias_raw(lua_State *L)
-{
- std::string name = luaL_checkstring(L, 1);
- std::string convert_to = luaL_checkstring(L, 2);
-
- // Get the writable item definition manager from the server
- IWritableItemDefManager *idef =
- get_server(L)->getWritableItemDefManager();
-
- idef->registerAlias(name, convert_to);
-
- return 0; /* number of results */
-}
-
-// helper for register_craft
-static bool read_craft_recipe_shaped(lua_State *L, int index,
- int &width, std::vector<std::string> &recipe)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- if(!lua_istable(L, index))
- return false;
-
- lua_pushnil(L);
- int rowcount = 0;
- while(lua_next(L, index) != 0){
- int colcount = 0;
- // key at index -2 and value at index -1
- if(!lua_istable(L, -1))
- return false;
- int table2 = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table2) != 0){
- // key at index -2 and value at index -1
- if(!lua_isstring(L, -1))
- return false;
- recipe.push_back(lua_tostring(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- colcount++;
- }
- if(rowcount == 0){
- width = colcount;
- } else {
- if(colcount != width)
- return false;
- }
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- rowcount++;
- }
- return width != 0;
-}
-
-// helper for register_craft
-static bool read_craft_recipe_shapeless(lua_State *L, int index,
- std::vector<std::string> &recipe)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- if(!lua_istable(L, index))
- return false;
-
- lua_pushnil(L);
- while(lua_next(L, index) != 0){
- // key at index -2 and value at index -1
- if(!lua_isstring(L, -1))
- return false;
- recipe.push_back(lua_tostring(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- return true;
-}
-
-// helper for register_craft
-static bool read_craft_replacements(lua_State *L, int index,
- CraftReplacements &replacements)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- if(!lua_istable(L, index))
- return false;
-
- lua_pushnil(L);
- while(lua_next(L, index) != 0){
- // key at index -2 and value at index -1
- if(!lua_istable(L, -1))
- return false;
- lua_rawgeti(L, -1, 1);
- if(!lua_isstring(L, -1))
- return false;
- std::string replace_from = lua_tostring(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 2);
- if(!lua_isstring(L, -1))
- return false;
- std::string replace_to = lua_tostring(L, -1);
- lua_pop(L, 1);
- replacements.pairs.push_back(
- std::make_pair(replace_from, replace_to));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- return true;
-}
-// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
-static int l_register_craft(lua_State *L)
-{
- //infostream<<"register_craft"<<std::endl;
- luaL_checktype(L, 1, LUA_TTABLE);
- int table = 1;
-
- // Get the writable craft definition manager from the server
- IWritableCraftDefManager *craftdef =
- get_server(L)->getWritableCraftDefManager();
-
- std::string type = getstringfield_default(L, table, "type", "shaped");
-
- /*
- CraftDefinitionShaped
- */
- if(type == "shaped"){
- std::string output = getstringfield_default(L, table, "output", "");
- if(output == "")
- throw LuaError(L, "Crafting definition is missing an output");
-
- int width = 0;
- std::vector<std::string> recipe;
- lua_getfield(L, table, "recipe");
- if(lua_isnil(L, -1))
- throw LuaError(L, "Crafting definition is missing a recipe"
- " (output=\"" + output + "\")");
- if(!read_craft_recipe_shaped(L, -1, width, recipe))
- throw LuaError(L, "Invalid crafting recipe"
- " (output=\"" + output + "\")");
-
- CraftReplacements replacements;
- lua_getfield(L, table, "replacements");
- if(!lua_isnil(L, -1))
- {
- if(!read_craft_replacements(L, -1, replacements))
- throw LuaError(L, "Invalid replacements"
- " (output=\"" + output + "\")");
- }
-
- CraftDefinition *def = new CraftDefinitionShaped(
- output, width, recipe, replacements);
- craftdef->registerCraft(def);
- }
- /*
- CraftDefinitionShapeless
- */
- else if(type == "shapeless"){
- std::string output = getstringfield_default(L, table, "output", "");
- if(output == "")
- throw LuaError(L, "Crafting definition (shapeless)"
- " is missing an output");
-
- std::vector<std::string> recipe;
- lua_getfield(L, table, "recipe");
- if(lua_isnil(L, -1))
- throw LuaError(L, "Crafting definition (shapeless)"
- " is missing a recipe"
- " (output=\"" + output + "\")");
- if(!read_craft_recipe_shapeless(L, -1, recipe))
- throw LuaError(L, "Invalid crafting recipe"
- " (output=\"" + output + "\")");
-
- CraftReplacements replacements;
- lua_getfield(L, table, "replacements");
- if(!lua_isnil(L, -1))
- {
- if(!read_craft_replacements(L, -1, replacements))
- throw LuaError(L, "Invalid replacements"
- " (output=\"" + output + "\")");
- }
-
- CraftDefinition *def = new CraftDefinitionShapeless(
- output, recipe, replacements);
- craftdef->registerCraft(def);
- }
- /*
- CraftDefinitionToolRepair
- */
- else if(type == "toolrepair"){
- float additional_wear = getfloatfield_default(L, table,
- "additional_wear", 0.0);
-
- CraftDefinition *def = new CraftDefinitionToolRepair(
- additional_wear);
- craftdef->registerCraft(def);
- }
- /*
- CraftDefinitionCooking
- */
- else if(type == "cooking"){
- std::string output = getstringfield_default(L, table, "output", "");
- if(output == "")
- throw LuaError(L, "Crafting definition (cooking)"
- " is missing an output");
-
- std::string recipe = getstringfield_default(L, table, "recipe", "");
- if(recipe == "")
- throw LuaError(L, "Crafting definition (cooking)"
- " is missing a recipe"
- " (output=\"" + output + "\")");
-
- float cooktime = getfloatfield_default(L, table, "cooktime", 3.0);
-
- CraftReplacements replacements;
- lua_getfield(L, table, "replacements");
- if(!lua_isnil(L, -1))
- {
- if(!read_craft_replacements(L, -1, replacements))
- throw LuaError(L, "Invalid replacements"
- " (cooking output=\"" + output + "\")");
- }
-
- CraftDefinition *def = new CraftDefinitionCooking(
- output, recipe, cooktime, replacements);
- craftdef->registerCraft(def);
- }
- /*
- CraftDefinitionFuel
- */
- else if(type == "fuel"){
- std::string recipe = getstringfield_default(L, table, "recipe", "");
- if(recipe == "")
- throw LuaError(L, "Crafting definition (fuel)"
- " is missing a recipe");
-
- float burntime = getfloatfield_default(L, table, "burntime", 1.0);
-
- CraftReplacements replacements;
- lua_getfield(L, table, "replacements");
- if(!lua_isnil(L, -1))
- {
- if(!read_craft_replacements(L, -1, replacements))
- throw LuaError(L, "Invalid replacements"
- " (fuel recipe=\"" + recipe + "\")");
- }
-
- CraftDefinition *def = new CraftDefinitionFuel(
- recipe, burntime, replacements);
- craftdef->registerCraft(def);
- }
- else
- {
- throw LuaError(L, "Unknown crafting definition type: \"" + type + "\"");
- }
-
- lua_pop(L, 1);
- return 0; /* number of results */
-}
-
-// setting_set(name, value)
-static int l_setting_set(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- const char *value = luaL_checkstring(L, 2);
- g_settings->set(name, value);
- return 0;
-}
-
-// setting_get(name)
-static int l_setting_get(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- try{
- std::string value = g_settings->get(name);
- lua_pushstring(L, value.c_str());
- } catch(SettingNotFoundException &e){
- lua_pushnil(L);
- }
- return 1;
-}
-
-// setting_getbool(name)
-static int l_setting_getbool(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- try{
- bool value = g_settings->getBool(name);
- lua_pushboolean(L, value);
- } catch(SettingNotFoundException &e){
- lua_pushnil(L);
- }
- return 1;
-}
-
-// setting_save()
-static int l_setting_save(lua_State *L)
-{
- get_server(L)->saveConfig();
- return 0;
-}
-
-// chat_send_all(text)
-static int l_chat_send_all(lua_State *L)
-{
- const char *text = luaL_checkstring(L, 1);
- // Get server from registry
- Server *server = get_server(L);
- // Send
- server->notifyPlayers(narrow_to_wide(text));
- return 0;
-}
-
-// chat_send_player(name, text)
-static int l_chat_send_player(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- const char *text = luaL_checkstring(L, 2);
- // Get server from registry
- Server *server = get_server(L);
- // Send
- server->notifyPlayer(name, narrow_to_wide(text));
- return 0;
-}
-
-// get_player_privs(name, text)
-static int l_get_player_privs(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- // Get server from registry
- Server *server = get_server(L);
- // Do it
- lua_newtable(L);
- int table = lua_gettop(L);
- std::set<std::string> privs_s = server->getPlayerEffectivePrivs(name);
- for(std::set<std::string>::const_iterator
- i = privs_s.begin(); i != privs_s.end(); i++){
- lua_pushboolean(L, true);
- lua_setfield(L, table, i->c_str());
- }
- lua_pushvalue(L, table);
- return 1;
-}
-
-// get_ban_list()
-static int l_get_ban_list(lua_State *L)
-{
- lua_pushstring(L, get_server(L)->getBanDescription("").c_str());
- return 1;
-}
-
-// get_ban_description()
-static int l_get_ban_description(lua_State *L)
-{
- const char * ip_or_name = luaL_checkstring(L, 1);
- lua_pushstring(L, get_server(L)->getBanDescription(std::string(ip_or_name)).c_str());
- return 1;
-}
-
-// ban_player()
-static int l_ban_player(lua_State *L)
-{
- const char * name = luaL_checkstring(L, 1);
- Player *player = get_env(L)->getPlayer(name);
- if(player == NULL)
- {
- lua_pushboolean(L, false); // no such player
- return 1;
- }
- try
- {
- Address addr = get_server(L)->getPeerAddress(get_env(L)->getPlayer(name)->peer_id);
- std::string ip_str = addr.serializeString();
- get_server(L)->setIpBanned(ip_str, name);
- }
- catch(con::PeerNotFoundException) // unlikely
- {
- dstream << __FUNCTION_NAME << ": peer was not found" << std::endl;
- lua_pushboolean(L, false); // error
- return 1;
- }
- lua_pushboolean(L, true);
- return 1;
-}
-
-// unban_player_or_ip()
-static int l_unban_player_of_ip(lua_State *L)
-{
- const char * ip_or_name = luaL_checkstring(L, 1);
- get_server(L)->unsetIpBanned(ip_or_name);
- lua_pushboolean(L, true);
- return 1;
-}
-
-// get_inventory(location)
-static int l_get_inventory(lua_State *L)
-{
- InventoryLocation loc;
-
- std::string type = checkstringfield(L, 1, "type");
- if(type == "player"){
- std::string name = checkstringfield(L, 1, "name");
- loc.setPlayer(name);
- } else if(type == "node"){
- lua_getfield(L, 1, "pos");
- v3s16 pos = check_v3s16(L, -1);
- loc.setNodeMeta(pos);
- } else if(type == "detached"){
- std::string name = checkstringfield(L, 1, "name");
- loc.setDetached(name);
- }
-
- if(get_server(L)->getInventory(loc) != NULL)
- InvRef::create(L, loc);
- else
- lua_pushnil(L);
- return 1;
-}
-
-// create_detached_inventory_raw(name)
-static int l_create_detached_inventory_raw(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- if(get_server(L)->createDetachedInventory(name) != NULL){
- InventoryLocation loc;
- loc.setDetached(name);
- InvRef::create(L, loc);
- }else{
- lua_pushnil(L);
- }
- return 1;
-}
-
-// show_formspec(playername,formname,formspec)
-static int l_show_formspec(lua_State *L)
-{
- const char *playername = luaL_checkstring(L, 1);
- const char *formname = luaL_checkstring(L, 2);
- const char *formspec = luaL_checkstring(L, 3);
-
- if(get_server(L)->showFormspec(playername,formspec,formname))
- {
- lua_pushboolean(L, true);
- }else{
- lua_pushboolean(L, false);
- }
- return 1;
-}
-
-// get_dig_params(groups, tool_capabilities[, time_from_last_punch])
-static int l_get_dig_params(lua_State *L)
-{
- std::map<std::string, int> groups;
- read_groups(L, 1, groups);
- ToolCapabilities tp = read_tool_capabilities(L, 2);
- if(lua_isnoneornil(L, 3))
- push_dig_params(L, getDigParams(groups, &tp));
- else
- push_dig_params(L, getDigParams(groups, &tp,
- luaL_checknumber(L, 3)));
- return 1;
-}
-
-// get_hit_params(groups, tool_capabilities[, time_from_last_punch])
-static int l_get_hit_params(lua_State *L)
-{
- std::map<std::string, int> groups;
- read_groups(L, 1, groups);
- ToolCapabilities tp = read_tool_capabilities(L, 2);
- if(lua_isnoneornil(L, 3))
- push_hit_params(L, getHitParams(groups, &tp));
- else
- push_hit_params(L, getHitParams(groups, &tp,
- luaL_checknumber(L, 3)));
- return 1;
-}
-
-// get_current_modname()
-static int l_get_current_modname(lua_State *L)
-{
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
- return 1;
-}
-
-// get_modpath(modname)
-static int l_get_modpath(lua_State *L)
-{
- std::string modname = luaL_checkstring(L, 1);
- // Do it
- if(modname == "__builtin"){
- std::string path = get_server(L)->getBuiltinLuaPath();
- lua_pushstring(L, path.c_str());
- return 1;
- }
- const ModSpec *mod = get_server(L)->getModSpec(modname);
- if(!mod){
- lua_pushnil(L);
- return 1;
- }
- lua_pushstring(L, mod->path.c_str());
- return 1;
-}
-
-// get_modnames()
-// the returned list is sorted alphabetically for you
-static int l_get_modnames(lua_State *L)
-{
- // Get a list of mods
- core::list<std::string> mods_unsorted, mods_sorted;
- get_server(L)->getModNames(mods_unsorted);
-
- // Take unsorted items from mods_unsorted and sort them into
- // mods_sorted; not great performance but the number of mods on a
- // server will likely be small.
- for(core::list<std::string>::Iterator i = mods_unsorted.begin();
- i != mods_unsorted.end(); i++)
- {
- bool added = false;
- for(core::list<std::string>::Iterator x = mods_sorted.begin();
- x != mods_unsorted.end(); x++)
- {
- // I doubt anybody using Minetest will be using
- // anything not ASCII based :)
- if((*i).compare(*x) <= 0)
- {
- mods_sorted.insert_before(x, *i);
- added = true;
- break;
- }
- }
- if(!added)
- mods_sorted.push_back(*i);
- }
-
- // Get the table insertion function from Lua.
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int insertion_func = lua_gettop(L);
-
- // Package them up for Lua
- lua_newtable(L);
- int new_table = lua_gettop(L);
- core::list<std::string>::Iterator i = mods_sorted.begin();
- while(i != mods_sorted.end())
- {
- lua_pushvalue(L, insertion_func);
- lua_pushvalue(L, new_table);
- lua_pushstring(L, (*i).c_str());
- if(lua_pcall(L, 2, 0, 0) != 0)
- {
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
- i++;
- }
- return 1;
-}
-
-// get_worldpath()
-static int l_get_worldpath(lua_State *L)
-{
- std::string worldpath = get_server(L)->getWorldPath();
- lua_pushstring(L, worldpath.c_str());
- return 1;
-}
-
-// sound_play(spec, parameters)
-static int l_sound_play(lua_State *L)
-{
- SimpleSoundSpec spec;
- read_soundspec(L, 1, spec);
- ServerSoundParams params;
- read_server_sound_params(L, 2, params);
- s32 handle = get_server(L)->playSound(spec, params);
- lua_pushinteger(L, handle);
- return 1;
-}
-
-// sound_stop(handle)
-static int l_sound_stop(lua_State *L)
-{
- int handle = luaL_checkinteger(L, 1);
- get_server(L)->stopSound(handle);
- return 0;
-}
-
-// is_singleplayer()
-static int l_is_singleplayer(lua_State *L)
-{
- lua_pushboolean(L, get_server(L)->isSingleplayer());
- return 1;
-}
-
-// get_password_hash(name, raw_password)
-static int l_get_password_hash(lua_State *L)
-{
- std::string name = luaL_checkstring(L, 1);
- std::string raw_password = luaL_checkstring(L, 2);
- std::string hash = translatePassword(name,
- narrow_to_wide(raw_password));
- lua_pushstring(L, hash.c_str());
- return 1;
-}
-
-// notify_authentication_modified(name)
-static int l_notify_authentication_modified(lua_State *L)
-{
- std::string name = "";
- if(lua_isstring(L, 1))
- name = lua_tostring(L, 1);
- get_server(L)->reportPrivsModified(name);
- return 0;
-}
-
-// get_craft_result(input)
-static int l_get_craft_result(lua_State *L)
-{
- int input_i = 1;
- std::string method_s = getstringfield_default(L, input_i, "method", "normal");
- enum CraftMethod method = (CraftMethod)getenumfield(L, input_i, "method",
- es_CraftMethod, CRAFT_METHOD_NORMAL);
- int width = 1;
- lua_getfield(L, input_i, "width");
- if(lua_isnumber(L, -1))
- width = luaL_checkinteger(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, input_i, "items");
- std::vector<ItemStack> items = read_items(L, -1);
- lua_pop(L, 1); // items
-
- IGameDef *gdef = get_server(L);
- ICraftDefManager *cdef = gdef->cdef();
- CraftInput input(method, width, items);
- CraftOutput output;
- bool got = cdef->getCraftResult(input, output, true, gdef);
- lua_newtable(L); // output table
- if(got){
- ItemStack item;
- item.deSerialize(output.item, gdef->idef());
- LuaItemStack::create(L, item);
- lua_setfield(L, -2, "item");
- setintfield(L, -1, "time", output.time);
- } else {
- LuaItemStack::create(L, ItemStack());
- lua_setfield(L, -2, "item");
- setintfield(L, -1, "time", 0);
- }
- lua_newtable(L); // decremented input table
- lua_pushstring(L, method_s.c_str());
- lua_setfield(L, -2, "method");
- lua_pushinteger(L, width);
- lua_setfield(L, -2, "width");
- push_items(L, input.items);
- lua_setfield(L, -2, "items");
- return 2;
-}
-
-// get_craft_recipe(result item)
-static int l_get_craft_recipe(lua_State *L)
-{
- int k = 0;
- char tmp[20];
- int input_i = 1;
- std::string o_item = luaL_checkstring(L,input_i);
-
- IGameDef *gdef = get_server(L);
- ICraftDefManager *cdef = gdef->cdef();
- CraftInput input;
- CraftOutput output(o_item,0);
- bool got = cdef->getCraftRecipe(input, output, gdef);
- lua_newtable(L); // output table
- if(got){
- lua_newtable(L);
- for(std::vector<ItemStack>::const_iterator
- i = input.items.begin();
- i != input.items.end(); i++, k++)
- {
- if (i->empty())
- {
- continue;
- }
- sprintf(tmp,"%d",k);
- lua_pushstring(L,tmp);
- lua_pushstring(L,i->name.c_str());
- lua_settable(L, -3);
- }
- lua_setfield(L, -2, "items");
- setintfield(L, -1, "width", input.width);
- switch (input.method) {
- case CRAFT_METHOD_NORMAL:
- lua_pushstring(L,"normal");
- break;
- case CRAFT_METHOD_COOKING:
- lua_pushstring(L,"cooking");
- break;
- case CRAFT_METHOD_FUEL:
- lua_pushstring(L,"fuel");
- break;
- default:
- lua_pushstring(L,"unknown");
- }
- lua_setfield(L, -2, "type");
- } else {
- lua_pushnil(L);
- lua_setfield(L, -2, "items");
- setintfield(L, -1, "width", 0);
- }
- return 1;
-}
-
-// rollback_get_last_node_actor(p, range, seconds) -> actor, p, seconds
-static int l_rollback_get_last_node_actor(lua_State *L)
-{
- v3s16 p = read_v3s16(L, 1);
- int range = luaL_checknumber(L, 2);
- int seconds = luaL_checknumber(L, 3);
- Server *server = get_server(L);
- IRollbackManager *rollback = server->getRollbackManager();
- v3s16 act_p;
- int act_seconds = 0;
- std::string actor = rollback->getLastNodeActor(p, range, seconds, &act_p, &act_seconds);
- lua_pushstring(L, actor.c_str());
- push_v3s16(L, act_p);
- lua_pushnumber(L, act_seconds);
- return 3;
-}
-
-// rollback_revert_actions_by(actor, seconds) -> bool, log messages
-static int l_rollback_revert_actions_by(lua_State *L)
-{
- std::string actor = luaL_checkstring(L, 1);
- int seconds = luaL_checknumber(L, 2);
- Server *server = get_server(L);
- IRollbackManager *rollback = server->getRollbackManager();
- std::list<RollbackAction> actions = rollback->getRevertActions(actor, seconds);
- std::list<std::string> log;
- bool success = server->rollbackRevertActions(actions, &log);
- // Push boolean result
- lua_pushboolean(L, success);
- // Get the table insert function and push the log table
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- lua_newtable(L);
- int table = lua_gettop(L);
- for(std::list<std::string>::const_iterator i = log.begin();
- i != log.end(); i++)
- {
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, table);
- lua_pushstring(L, i->c_str());
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
- lua_remove(L, -2); // Remove table
- lua_remove(L, -2); // Remove insert
- return 2;
-}
-
-static const struct luaL_Reg minetest_f [] = {
- {"debug", l_debug},
- {"log", l_log},
- {"request_shutdown", l_request_shutdown},
- {"get_server_status", l_get_server_status},
- {"register_item_raw", l_register_item_raw},
- {"register_alias_raw", l_register_alias_raw},
- {"register_craft", l_register_craft},
- {"register_biome", l_register_biome},
- {"register_biome_groups", l_register_biome_groups},
- {"setting_set", l_setting_set},
- {"setting_get", l_setting_get},
- {"setting_getbool", l_setting_getbool},
- {"setting_save",l_setting_save},
- {"chat_send_all", l_chat_send_all},
- {"chat_send_player", l_chat_send_player},
- {"get_player_privs", l_get_player_privs},
- {"get_ban_list", l_get_ban_list},
- {"get_ban_description", l_get_ban_description},
- {"ban_player", l_ban_player},
- {"unban_player_or_ip", l_unban_player_of_ip},
- {"get_inventory", l_get_inventory},
- {"create_detached_inventory_raw", l_create_detached_inventory_raw},
- {"show_formspec", l_show_formspec},
- {"get_dig_params", l_get_dig_params},
- {"get_hit_params", l_get_hit_params},
- {"get_current_modname", l_get_current_modname},
- {"get_modpath", l_get_modpath},
- {"get_modnames", l_get_modnames},
- {"get_worldpath", l_get_worldpath},
- {"sound_play", l_sound_play},
- {"sound_stop", l_sound_stop},
- {"is_singleplayer", l_is_singleplayer},
- {"get_password_hash", l_get_password_hash},
- {"notify_authentication_modified", l_notify_authentication_modified},
- {"get_craft_result", l_get_craft_result},
- {"get_craft_recipe", l_get_craft_recipe},
- {"rollback_get_last_node_actor", l_rollback_get_last_node_actor},
- {"rollback_revert_actions_by", l_rollback_revert_actions_by},
- {NULL, NULL}
-};
-
-/*
- Main export function
-*/
-
-void scriptapi_export(lua_State *L, Server *server)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- verbosestream<<"scriptapi_export()"<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Store server as light userdata in registry
- lua_pushlightuserdata(L, server);
- lua_setfield(L, LUA_REGISTRYINDEX, "minetest_server");
-
- // Register global functions in table minetest
- lua_newtable(L);
- luaL_register(L, NULL, minetest_f);
- lua_setglobal(L, "minetest");
-
- // Get the main minetest table
- lua_getglobal(L, "minetest");
-
- // Add tables to minetest
- lua_newtable(L);
- lua_setfield(L, -2, "object_refs");
- lua_newtable(L);
- lua_setfield(L, -2, "luaentities");
-
- // Register wrappers
- LuaItemStack::Register(L);
- InvRef::Register(L);
- NodeMetaRef::Register(L);
- NodeTimerRef::Register(L);
- ObjectRef::Register(L);
- EnvRef::Register(L);
- LuaPseudoRandom::Register(L);
- LuaPerlinNoise::Register(L);
- LuaPerlinNoiseMap::Register(L);
-}
-
-bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
- const std::string &modname)
-{
- ModNameStorer modnamestorer(L, modname);
-
- if(!string_allowed(modname, "abcdefghijklmnopqrstuvwxyz"
- "0123456789_")){
- errorstream<<"Error loading mod \""<<modname
- <<"\": modname does not follow naming conventions: "
- <<"Only chararacters [a-z0-9_] are allowed."<<std::endl;
- return false;
- }
-
- bool success = false;
-
- try{
- success = script_load(L, scriptpath.c_str());
- }
- catch(LuaError &e){
- errorstream<<"Error loading mod \""<<modname
- <<"\": "<<e.what()<<std::endl;
- }
-
- return success;
-}
-
-void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- verbosestream<<"scriptapi_add_environment"<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Create EnvRef on stack
- EnvRef::create(L, env);
- int envref = lua_gettop(L);
-
- // minetest.env = envref
- lua_getglobal(L, "minetest");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushvalue(L, envref);
- lua_setfield(L, -2, "env");
-
- // Store environment as light userdata in registry
- lua_pushlightuserdata(L, env);
- lua_setfield(L, LUA_REGISTRYINDEX, "minetest_env");
-
- /*
- Add ActiveBlockModifiers to environment
- */
-
- // Get minetest.registered_abms
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_abms");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_abms = lua_gettop(L);
-
- if(lua_istable(L, registered_abms)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- int id = lua_tonumber(L, -2);
- int current_abm = lua_gettop(L);
-
- std::set<std::string> trigger_contents;
- lua_getfield(L, current_abm, "nodenames");
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TSTRING);
- trigger_contents.insert(lua_tostring(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- } else if(lua_isstring(L, -1)){
- trigger_contents.insert(lua_tostring(L, -1));
- }
- lua_pop(L, 1);
-
- std::set<std::string> required_neighbors;
- lua_getfield(L, current_abm, "neighbors");
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TSTRING);
- required_neighbors.insert(lua_tostring(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- } else if(lua_isstring(L, -1)){
- required_neighbors.insert(lua_tostring(L, -1));
- }
- lua_pop(L, 1);
-
- float trigger_interval = 10.0;
- getfloatfield(L, current_abm, "interval", trigger_interval);
-
- int trigger_chance = 50;
- getintfield(L, current_abm, "chance", trigger_chance);
-
- LuaABM *abm = new LuaABM(L, id, trigger_contents,
- required_neighbors, trigger_interval, trigger_chance);
-
- env->addActiveBlockModifier(abm);
-
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- }
- lua_pop(L, 1);
-}
-
-#if 0
-// Dump stack top with the dump2 function
-static void dump2(lua_State *L, const char *name)
-{
- // Dump object (debug)
- lua_getglobal(L, "dump2");
- luaL_checktype(L, -1, LUA_TFUNCTION);
- lua_pushvalue(L, -2); // Get previous stack top as first parameter
- lua_pushstring(L, name);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
-}
-#endif
-
-/*
- object_reference
-*/
-
-void scriptapi_add_object_reference(lua_State *L, ServerActiveObject *cobj)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Create object on stack
- ObjectRef::create(L, cobj); // Puts ObjectRef (as userdata) on stack
- int object = lua_gettop(L);
-
- // Get minetest.object_refs table
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
- luaL_checktype(L, -1, LUA_TTABLE);
- int objectstable = lua_gettop(L);
-
- // object_refs[id] = object
- lua_pushnumber(L, cobj->getId()); // Push id
- lua_pushvalue(L, object); // Copy object to top of stack
- lua_settable(L, objectstable);
-}
-
-void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Get minetest.object_refs table
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
- luaL_checktype(L, -1, LUA_TTABLE);
- int objectstable = lua_gettop(L);
-
- // Get object_refs[id]
- lua_pushnumber(L, cobj->getId()); // Push id
- lua_gettable(L, objectstable);
- // Set object reference to NULL
- ObjectRef::set_null(L);
- lua_pop(L, 1); // pop object
-
- // Set object_refs[id] = nil
- lua_pushnumber(L, cobj->getId()); // Push id
- lua_pushnil(L);
- lua_settable(L, objectstable);
-}
-
-/*
- misc
-*/
-
-// What scriptapi_run_callbacks does with the return values of callbacks.
-// Regardless of the mode, if only one callback is defined,
-// its return value is the total return value.
-// Modes only affect the case where 0 or >= 2 callbacks are defined.
-enum RunCallbacksMode
-{
- // Returns the return value of the first callback
- // Returns nil if list of callbacks is empty
- RUN_CALLBACKS_MODE_FIRST,
- // Returns the return value of the last callback
- // Returns nil if list of callbacks is empty
- RUN_CALLBACKS_MODE_LAST,
- // If any callback returns a false value, the first such is returned
- // Otherwise, the first callback's return value (trueish) is returned
- // Returns true if list of callbacks is empty
- RUN_CALLBACKS_MODE_AND,
- // Like above, but stops calling callbacks (short circuit)
- // after seeing the first false value
- RUN_CALLBACKS_MODE_AND_SC,
- // If any callback returns a true value, the first such is returned
- // Otherwise, the first callback's return value (falseish) is returned
- // Returns false if list of callbacks is empty
- RUN_CALLBACKS_MODE_OR,
- // Like above, but stops calling callbacks (short circuit)
- // after seeing the first true value
- RUN_CALLBACKS_MODE_OR_SC,
- // Note: "a true value" and "a false value" refer to values that
- // are converted by lua_toboolean to true or false, respectively.
-};
-
-// Push the list of callbacks (a lua table).
-// Then push nargs arguments.
-// Then call this function, which
-// - runs the callbacks
-// - removes the table and arguments from the lua stack
-// - pushes the return value, computed depending on mode
-static void scriptapi_run_callbacks(lua_State *L, int nargs,
- RunCallbacksMode mode)
-{
- // Insert the return value into the lua stack, below the table
- assert(lua_gettop(L) >= nargs + 1);
- lua_pushnil(L);
- lua_insert(L, -(nargs + 1) - 1);
- // Stack now looks like this:
- // ... <return value = nil> <table> <arg#1> <arg#2> ... <arg#n>
-
- int rv = lua_gettop(L) - nargs - 1;
- int table = rv + 1;
- int arg = table + 1;
-
- luaL_checktype(L, table, LUA_TTABLE);
-
- // Foreach
- lua_pushnil(L);
- bool first_loop = true;
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TFUNCTION);
- // Call function
- for(int i = 0; i < nargs; i++)
- lua_pushvalue(L, arg+i);
- if(lua_pcall(L, nargs, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
-
- // Move return value to designated space in stack
- // Or pop it
- if(first_loop){
- // Result of first callback is always moved
- lua_replace(L, rv);
- first_loop = false;
- } else {
- // Otherwise, what happens depends on the mode
- if(mode == RUN_CALLBACKS_MODE_FIRST)
- lua_pop(L, 1);
- else if(mode == RUN_CALLBACKS_MODE_LAST)
- lua_replace(L, rv);
- else if(mode == RUN_CALLBACKS_MODE_AND ||
- mode == RUN_CALLBACKS_MODE_AND_SC){
- if((bool)lua_toboolean(L, rv) == true &&
- (bool)lua_toboolean(L, -1) == false)
- lua_replace(L, rv);
- else
- lua_pop(L, 1);
- }
- else if(mode == RUN_CALLBACKS_MODE_OR ||
- mode == RUN_CALLBACKS_MODE_OR_SC){
- if((bool)lua_toboolean(L, rv) == false &&
- (bool)lua_toboolean(L, -1) == true)
- lua_replace(L, rv);
- else
- lua_pop(L, 1);
- }
- else
- assert(0);
- }
-
- // Handle short circuit modes
- if(mode == RUN_CALLBACKS_MODE_AND_SC &&
- (bool)lua_toboolean(L, rv) == false)
- break;
- else if(mode == RUN_CALLBACKS_MODE_OR_SC &&
- (bool)lua_toboolean(L, rv) == true)
- break;
-
- // value removed, keep key for next iteration
- }
-
- // Remove stuff from stack, leaving only the return value
- lua_settop(L, rv);
-
- // Fix return value in case no callbacks were called
- if(first_loop){
- if(mode == RUN_CALLBACKS_MODE_AND ||
- mode == RUN_CALLBACKS_MODE_AND_SC){
- lua_pop(L, 1);
- lua_pushboolean(L, true);
- }
- else if(mode == RUN_CALLBACKS_MODE_OR ||
- mode == RUN_CALLBACKS_MODE_OR_SC){
- lua_pop(L, 1);
- lua_pushboolean(L, false);
- }
- }
-}
-
-bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
- const std::string &message)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_on_chat_messages
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_chat_messages");
- // Call callbacks
- lua_pushstring(L, name.c_str());
- lua_pushstring(L, message.c_str());
- scriptapi_run_callbacks(L, 2, RUN_CALLBACKS_MODE_OR_SC);
- bool ate = lua_toboolean(L, -1);
- return ate;
-}
-
-void scriptapi_on_shutdown(lua_State *L)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get registered shutdown hooks
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_shutdown");
- // Call callbacks
- scriptapi_run_callbacks(L, 0, RUN_CALLBACKS_MODE_FIRST);
-}
-
-void scriptapi_on_newplayer(lua_State *L, ServerActiveObject *player)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_on_newplayers
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_newplayers");
- // Call callbacks
- objectref_get_or_create(L, player);
- scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
-}
-
-void scriptapi_on_dieplayer(lua_State *L, ServerActiveObject *player)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_on_dieplayers
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_dieplayers");
- // Call callbacks
- objectref_get_or_create(L, player);
- scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
-}
-
-bool scriptapi_on_respawnplayer(lua_State *L, ServerActiveObject *player)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_on_respawnplayers
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_respawnplayers");
- // Call callbacks
- objectref_get_or_create(L, player);
- scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_OR);
- bool positioning_handled_by_some = lua_toboolean(L, -1);
- return positioning_handled_by_some;
-}
-
-void scriptapi_on_joinplayer(lua_State *L, ServerActiveObject *player)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_on_joinplayers
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_joinplayers");
- // Call callbacks
- objectref_get_or_create(L, player);
- scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
-}
-
-void scriptapi_on_leaveplayer(lua_State *L, ServerActiveObject *player)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_on_leaveplayers
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_leaveplayers");
- // Call callbacks
- objectref_get_or_create(L, player);
- scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
-}
-
-static void get_auth_handler(lua_State *L)
-{
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_auth_handler");
- if(lua_isnil(L, -1)){
- lua_pop(L, 1);
- lua_getfield(L, -1, "builtin_auth_handler");
- }
- if(lua_type(L, -1) != LUA_TTABLE)
- throw LuaError(L, "Authentication handler table not valid");
-}
-
-bool scriptapi_get_auth(lua_State *L, const std::string &playername,
- std::string *dst_password, std::set<std::string> *dst_privs)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- get_auth_handler(L);
- lua_getfield(L, -1, "get_auth");
- if(lua_type(L, -1) != LUA_TFUNCTION)
- throw LuaError(L, "Authentication handler missing get_auth");
- lua_pushstring(L, playername.c_str());
- if(lua_pcall(L, 1, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
-
- // nil = login not allowed
- if(lua_isnil(L, -1))
- return false;
- luaL_checktype(L, -1, LUA_TTABLE);
-
- std::string password;
- bool found = getstringfield(L, -1, "password", password);
- if(!found)
- throw LuaError(L, "Authentication handler didn't return password");
- if(dst_password)
- *dst_password = password;
-
- lua_getfield(L, -1, "privileges");
- if(!lua_istable(L, -1))
- throw LuaError(L,
- "Authentication handler didn't return privilege table");
- if(dst_privs)
- read_privileges(L, -1, *dst_privs);
- lua_pop(L, 1);
-
- return true;
-}
-
-void scriptapi_create_auth(lua_State *L, const std::string &playername,
- const std::string &password)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- get_auth_handler(L);
- lua_getfield(L, -1, "create_auth");
- if(lua_type(L, -1) != LUA_TFUNCTION)
- throw LuaError(L, "Authentication handler missing create_auth");
- lua_pushstring(L, playername.c_str());
- lua_pushstring(L, password.c_str());
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
-}
-
-bool scriptapi_set_password(lua_State *L, const std::string &playername,
- const std::string &password)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- get_auth_handler(L);
- lua_getfield(L, -1, "set_password");
- if(lua_type(L, -1) != LUA_TFUNCTION)
- throw LuaError(L, "Authentication handler missing set_password");
- lua_pushstring(L, playername.c_str());
- lua_pushstring(L, password.c_str());
- if(lua_pcall(L, 2, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- return lua_toboolean(L, -1);
-}
-
-/*
- player
-*/
-
-void scriptapi_on_player_receive_fields(lua_State *L,
- ServerActiveObject *player,
- const std::string &formname,
- const std::map<std::string, std::string> &fields)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
// Get minetest.registered_on_chat_messages
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_player_receive_fields");
+ lua_getfield(L, -1, "registered_on_chat_messages");
// Call callbacks
- // param 1
- objectref_get_or_create(L, player);
- // param 2
- lua_pushstring(L, formname.c_str());
- // param 3
- lua_newtable(L);
- for(std::map<std::string, std::string>::const_iterator
- i = fields.begin(); i != fields.end(); i++){
- const std::string &name = i->first;
- const std::string &value = i->second;
- lua_pushstring(L, name.c_str());
- lua_pushlstring(L, value.c_str(), value.size());
- lua_settable(L, -3);
- }
- scriptapi_run_callbacks(L, 3, RUN_CALLBACKS_MODE_OR_SC);
-}
-
-/*
- item callbacks and node callbacks
-*/
-
-// Retrieves minetest.registered_items[name][callbackname]
-// If that is nil or on error, return false and stack is unchanged
-// If that is a function, returns true and pushes the
-// function onto the stack
-// If minetest.registered_items[name] doesn't exist, minetest.nodedef_default
-// is tried instead so unknown items can still be manipulated to some degree
-static bool get_item_callback(lua_State *L,
- const char *name, const char *callbackname)
-{
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_items");
- lua_remove(L, -2);
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, name);
- lua_remove(L, -2);
- // Should be a table
- if(lua_type(L, -1) != LUA_TTABLE)
- {
- // Report error and clean up
- errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
- lua_pop(L, 1);
-
- // Try minetest.nodedef_default instead
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "nodedef_default");
- lua_remove(L, -2);
- luaL_checktype(L, -1, LUA_TTABLE);
- }
- lua_getfield(L, -1, callbackname);
- lua_remove(L, -2);
- // Should be a function or nil
- if(lua_type(L, -1) == LUA_TFUNCTION)
- {
- return true;
- }
- else if(lua_isnil(L, -1))
- {
- lua_pop(L, 1);
- return false;
- }
- else
- {
- errorstream<<"Item \""<<name<<"\" callback \""
- <<callbackname<<" is not a function"<<std::endl;
- lua_pop(L, 1);
- return false;
- }
-}
-
-bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
- ServerActiveObject *dropper, v3f pos)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Push callback function on stack
- if(!get_item_callback(L, item.name.c_str(), "on_drop"))
- return false;
-
- // Call function
- LuaItemStack::create(L, item);
- objectref_get_or_create(L, dropper);
- pushFloatPos(L, pos);
- if(lua_pcall(L, 3, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnil(L, -1))
- item = read_item(L, -1);
- return true;
-}
-
-bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
- ServerActiveObject *placer, const PointedThing &pointed)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Push callback function on stack
- if(!get_item_callback(L, item.name.c_str(), "on_place"))
- return false;
-
- // Call function
- LuaItemStack::create(L, item);
- objectref_get_or_create(L, placer);
- push_pointed_thing(L, pointed);
- if(lua_pcall(L, 3, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnil(L, -1))
- item = read_item(L, -1);
- return true;
-}
-
-bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
- ServerActiveObject *user, const PointedThing &pointed)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Push callback function on stack
- if(!get_item_callback(L, item.name.c_str(), "on_use"))
- return false;
-
- // Call function
- LuaItemStack::create(L, item);
- objectref_get_or_create(L, user);
- push_pointed_thing(L, pointed);
- if(lua_pcall(L, 3, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnil(L, -1))
- item = read_item(L, -1);
- return true;
+ lua_pushstring(L, name.c_str());
+ lua_pushstring(L, message.c_str());
+ scriptapi_run_callbacks(L, 2, RUN_CALLBACKS_MODE_OR_SC);
+ bool ate = lua_toboolean(L, -1);
+ return ate;
}
-bool scriptapi_node_on_punch(lua_State *L, v3s16 p, MapNode node,
- ServerActiveObject *puncher)
+void scriptapi_on_shutdown(lua_State *L)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_punch"))
- return false;
-
- // Call function
- push_v3s16(L, p);
- pushnode(L, node, ndef);
- objectref_get_or_create(L, puncher);
- if(lua_pcall(L, 3, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- return true;
+ // Get registered shutdown hooks
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_shutdown");
+ // Call callbacks
+ scriptapi_run_callbacks(L, 0, RUN_CALLBACKS_MODE_FIRST);
}
-bool scriptapi_node_on_dig(lua_State *L, v3s16 p, MapNode node,
- ServerActiveObject *digger)
+void scriptapi_on_newplayer(lua_State *L, ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_dig"))
- return false;
-
- // Call function
- push_v3s16(L, p);
- pushnode(L, node, ndef);
- objectref_get_or_create(L, digger);
- if(lua_pcall(L, 3, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- return true;
+ // Get minetest.registered_on_newplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_newplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
}
-void scriptapi_node_on_construct(lua_State *L, v3s16 p, MapNode node)
+void scriptapi_on_dieplayer(lua_State *L, ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_construct"))
- return;
-
- // Call function
- push_v3s16(L, p);
- if(lua_pcall(L, 1, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ // Get minetest.registered_on_dieplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_dieplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
}
-void scriptapi_node_on_destruct(lua_State *L, v3s16 p, MapNode node)
+bool scriptapi_on_respawnplayer(lua_State *L, ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_destruct"))
- return;
-
- // Call function
- push_v3s16(L, p);
- if(lua_pcall(L, 1, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ // Get minetest.registered_on_respawnplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_respawnplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_OR);
+ bool positioning_handled_by_some = lua_toboolean(L, -1);
+ return positioning_handled_by_some;
}
-void scriptapi_node_after_destruct(lua_State *L, v3s16 p, MapNode node)
+void scriptapi_on_joinplayer(lua_State *L, ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "after_destruct"))
- return;
-
- // Call function
- push_v3s16(L, p);
- pushnode(L, node, ndef);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ // Get minetest.registered_on_joinplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_joinplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
}
-bool scriptapi_node_on_timer(lua_State *L, v3s16 p, MapNode node, f32 dtime)
+void scriptapi_on_leaveplayer(lua_State *L, ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_timer"))
- return false;
-
- // Call function
- push_v3s16(L, p);
- lua_pushnumber(L,dtime);
- if(lua_pcall(L, 2, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if((bool)lua_isboolean(L,-1) && (bool)lua_toboolean(L,-1) == true)
- return true;
-
- return false;
+ // Get minetest.registered_on_leaveplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_leaveplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
}
-void scriptapi_node_on_receive_fields(lua_State *L, v3s16 p,
+/*
+ player
+*/
+void scriptapi_on_player_receive_fields(lua_State *L,
+ ServerActiveObject *player,
const std::string &formname,
- const std::map<std::string, std::string> &fields,
- ServerActiveObject *sender)
+ const std::map<std::string, std::string> &fields)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // If node doesn't exist, we don't know what callback to call
- MapNode node = get_env(L)->getMap().getNodeNoEx(p);
- if(node.getContent() == CONTENT_IGNORE)
- return;
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_receive_fields"))
- return;
-
- // Call function
+ // Get minetest.registered_on_chat_messages
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_player_receive_fields");
+ // Call callbacks
// param 1
- push_v3s16(L, p);
+ objectref_get_or_create(L, player);
// param 2
lua_pushstring(L, formname.c_str());
// param 3
@@ -6422,784 +550,585 @@ void scriptapi_node_on_receive_fields(lua_State *L, v3s16 p,
lua_pushlstring(L, value.c_str(), value.size());
lua_settable(L, -3);
}
- // param 4
- objectref_get_or_create(L, sender);
- if(lua_pcall(L, 4, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ scriptapi_run_callbacks(L, 3, RUN_CALLBACKS_MODE_OR_SC);
}
+/*****************************************************************************/
+/* Api functions */
+/*****************************************************************************/
-/*
- Node metadata inventory callbacks
-*/
+// debug(text)
+// Writes a line to dstream
+static int l_debug(lua_State *L)
+{
+ std::string text = lua_tostring(L, 1);
+ dstream << text << std::endl;
+ return 0;
+}
-// Return number of accepted items to be moved
-int scriptapi_nodemeta_inventory_allow_move(lua_State *L, v3s16 p,
- const std::string &from_list, int from_index,
- const std::string &to_list, int to_index,
- int count, ServerActiveObject *player)
+// log([level,] text)
+// Writes a line to the logger.
+// The one-argument version logs to infostream.
+// The two-argument version accept a log level: error, action, info, or verbose.
+static int l_log(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
+ std::string text;
+ LogMessageLevel level = LMT_INFO;
+ if(lua_isnone(L, 2))
+ {
+ text = lua_tostring(L, 1);
+ }
+ else
+ {
+ std::string levelname = luaL_checkstring(L, 1);
+ text = luaL_checkstring(L, 2);
+ if(levelname == "error")
+ level = LMT_ERROR;
+ else if(levelname == "action")
+ level = LMT_ACTION;
+ else if(levelname == "verbose")
+ level = LMT_VERBOSE;
+ }
+ log_printline(level, text);
+ return 0;
+}
+
+// request_shutdown()
+static int l_request_shutdown(lua_State *L)
+{
+ get_server(L)->requestShutdown();
+ return 0;
+}
+
+// get_server_status()
+static int l_get_server_status(lua_State *L)
+{
+ lua_pushstring(L, wide_to_narrow(get_server(L)->getStatusString()).c_str());
+ return 1;
+}
- INodeDefManager *ndef = get_server(L)->ndef();
+// register_biome_groups({frequencies})
+static int l_register_biome_groups(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int index = 1;
+ if (!lua_istable(L, index))
+ throw LuaError(L, "register_biome_groups: parameter is not a table");
- // If node doesn't exist, we don't know what callback to call
- MapNode node = get_env(L)->getMap().getNodeNoEx(p);
- if(node.getContent() == CONTENT_IGNORE)
+ BiomeDefManager *bmgr = get_server(L)->getBiomeDef();
+ if (!bmgr) {
+ verbosestream << "register_biome_groups: BiomeDefManager not active" << std::endl;
return 0;
+ }
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(),
- "allow_metadata_inventory_move"))
- return count;
+ lua_pushnil(L);
+ for (int i = 1; lua_next(L, index) != 0; i++) {
+ bmgr->addBiomeGroup(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
- // function(pos, from_list, from_index, to_list, to_index, count, player)
- // pos
- push_v3s16(L, p);
- // from_list
- lua_pushstring(L, from_list.c_str());
- // from_index
- lua_pushinteger(L, from_index + 1);
- // to_list
- lua_pushstring(L, to_list.c_str());
- // to_index
- lua_pushinteger(L, to_index + 1);
- // count
- lua_pushinteger(L, count);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 7, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnumber(L, -1))
- throw LuaError(L, "allow_metadata_inventory_move should return a number");
- return luaL_checkinteger(L, -1);
+ return 0;
}
-// Return number of accepted items to be put
-int scriptapi_nodemeta_inventory_allow_put(lua_State *L, v3s16 p,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player)
+// register_biome({lots of stuff})
+static int l_register_biome(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- INodeDefManager *ndef = get_server(L)->ndef();
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int index = 1, groupid;
+ std::string nodename;
- // If node doesn't exist, we don't know what callback to call
- MapNode node = get_env(L)->getMap().getNodeNoEx(p);
- if(node.getContent() == CONTENT_IGNORE)
+ IWritableNodeDefManager *ndef = get_server(L)->getWritableNodeDefManager();
+ BiomeDefManager *bmgr = get_server(L)->getBiomeDef();
+ if (!bmgr) {
+ verbosestream << "register_biome: BiomeDefManager not active" << std::endl;
return 0;
+ }
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(),
- "allow_metadata_inventory_put"))
- return stack.count;
+ groupid = getintfield_default(L, index, "group_id", 0);
- // Call function(pos, listname, index, stack, player)
- // pos
- push_v3s16(L, p);
- // listname
- lua_pushstring(L, listname.c_str());
- // index
- lua_pushinteger(L, index + 1);
- // stack
- LuaItemStack::create(L, stack);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 5, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnumber(L, -1))
- throw LuaError(L, "allow_metadata_inventory_put should return a number");
- return luaL_checkinteger(L, -1);
+ enum BiomeTerrainType terrain = (BiomeTerrainType)getenumfield(L, index,
+ "terrain_type", es_BiomeTerrainType, BIOME_TERRAIN_NORMAL);
+ Biome *b = bmgr->createBiome(terrain);
+
+ b->name = getstringfield_default(L, index, "name", "");
+
+ if (getstringfield(L, index, "node_top", nodename))
+ b->n_top = MapNode(ndef->getId(nodename));
+ else
+ b->n_top = MapNode(CONTENT_IGNORE);
+
+ if (getstringfield(L, index, "node_filler", nodename))
+ b->n_filler = MapNode(ndef->getId(nodename));
+ else
+ b->n_filler = b->n_top;
+
+ b->ntopnodes = getintfield_default(L, index, "num_top_nodes", 0);
+
+ b->height_min = getintfield_default(L, index, "height_min", 0);
+ b->height_max = getintfield_default(L, index, "height_max", 0);
+ b->heat_min = getfloatfield_default(L, index, "heat_min", 0.);
+ b->heat_max = getfloatfield_default(L, index, "heat_max", 0.);
+ b->humidity_min = getfloatfield_default(L, index, "humidity_min", 0.);
+ b->humidity_max = getfloatfield_default(L, index, "humidity_max", 0.);
+
+ b->np = new NoiseParams; // should read an entire NoiseParams later on...
+ getfloatfield(L, index, "scale", b->np->scale);
+ getfloatfield(L, index, "offset", b->np->offset);
+
+ b->groupid = (s8)groupid;
+ b->flags = 0; //reserved
+
+ bmgr->addBiome(b);
+
+ verbosestream << "register_biome: " << b->name << std::endl;
+ return 0;
}
-// Return number of accepted items to be taken
-int scriptapi_nodemeta_inventory_allow_take(lua_State *L, v3s16 p,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
- // If node doesn't exist, we don't know what callback to call
- MapNode node = get_env(L)->getMap().getNodeNoEx(p);
- if(node.getContent() == CONTENT_IGNORE)
- return 0;
+// setting_set(name, value)
+static int l_setting_set(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ const char *value = luaL_checkstring(L, 2);
+ g_settings->set(name, value);
+ return 0;
+}
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(),
- "allow_metadata_inventory_take"))
- return stack.count;
+// setting_get(name)
+static int l_setting_get(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ std::string value = g_settings->get(name);
+ lua_pushstring(L, value.c_str());
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
+ }
+ return 1;
+}
- // Call function(pos, listname, index, count, player)
- // pos
- push_v3s16(L, p);
- // listname
- lua_pushstring(L, listname.c_str());
- // index
- lua_pushinteger(L, index + 1);
- // stack
- LuaItemStack::create(L, stack);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 5, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnumber(L, -1))
- throw LuaError(L, "allow_metadata_inventory_take should return a number");
- return luaL_checkinteger(L, -1);
+// setting_getbool(name)
+static int l_setting_getbool(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ bool value = g_settings->getBool(name);
+ lua_pushboolean(L, value);
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
+ }
+ return 1;
}
-// Report moved items
-void scriptapi_nodemeta_inventory_on_move(lua_State *L, v3s16 p,
- const std::string &from_list, int from_index,
- const std::string &to_list, int to_index,
- int count, ServerActiveObject *player)
+// setting_save()
+static int l_setting_save(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // If node doesn't exist, we don't know what callback to call
- MapNode node = get_env(L)->getMap().getNodeNoEx(p);
- if(node.getContent() == CONTENT_IGNORE)
- return;
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(),
- "on_metadata_inventory_move"))
- return;
-
- // function(pos, from_list, from_index, to_list, to_index, count, player)
- // pos
- push_v3s16(L, p);
- // from_list
- lua_pushstring(L, from_list.c_str());
- // from_index
- lua_pushinteger(L, from_index + 1);
- // to_list
- lua_pushstring(L, to_list.c_str());
- // to_index
- lua_pushinteger(L, to_index + 1);
- // count
- lua_pushinteger(L, count);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 7, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ get_server(L)->saveConfig();
+ return 0;
}
-// Report put items
-void scriptapi_nodemeta_inventory_on_put(lua_State *L, v3s16 p,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player)
+// chat_send_all(text)
+static int l_chat_send_all(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // If node doesn't exist, we don't know what callback to call
- MapNode node = get_env(L)->getMap().getNodeNoEx(p);
- if(node.getContent() == CONTENT_IGNORE)
- return;
-
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(),
- "on_metadata_inventory_put"))
- return;
-
- // Call function(pos, listname, index, stack, player)
- // pos
- push_v3s16(L, p);
- // listname
- lua_pushstring(L, listname.c_str());
- // index
- lua_pushinteger(L, index + 1);
- // stack
- LuaItemStack::create(L, stack);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 5, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ const char *text = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayers(narrow_to_wide(text));
+ return 0;
}
-// Report taken items
-void scriptapi_nodemeta_inventory_on_take(lua_State *L, v3s16 p,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player)
+// chat_send_player(name, text)
+static int l_chat_send_player(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- INodeDefManager *ndef = get_server(L)->ndef();
-
- // If node doesn't exist, we don't know what callback to call
- MapNode node = get_env(L)->getMap().getNodeNoEx(p);
- if(node.getContent() == CONTENT_IGNORE)
- return;
+ const char *name = luaL_checkstring(L, 1);
+ const char *text = luaL_checkstring(L, 2);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayer(name, narrow_to_wide(text));
+ return 0;
+}
- // Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(),
- "on_metadata_inventory_take"))
- return;
+// get_player_privs(name, text)
+static int l_get_player_privs(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Do it
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ std::set<std::string> privs_s = server->getPlayerEffectivePrivs(name);
+ for(std::set<std::string>::const_iterator
+ i = privs_s.begin(); i != privs_s.end(); i++){
+ lua_pushboolean(L, true);
+ lua_setfield(L, table, i->c_str());
+ }
+ lua_pushvalue(L, table);
+ return 1;
+}
- // Call function(pos, listname, index, stack, player)
- // pos
- push_v3s16(L, p);
- // listname
- lua_pushstring(L, listname.c_str());
- // index
- lua_pushinteger(L, index + 1);
- // stack
- LuaItemStack::create(L, stack);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 5, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+// get_ban_list()
+static int l_get_ban_list(lua_State *L)
+{
+ lua_pushstring(L, get_server(L)->getBanDescription("").c_str());
+ return 1;
}
-/*
- Detached inventory callbacks
-*/
+// get_ban_description()
+static int l_get_ban_description(lua_State *L)
+{
+ const char * ip_or_name = luaL_checkstring(L, 1);
+ lua_pushstring(L, get_server(L)->getBanDescription(std::string(ip_or_name)).c_str());
+ return 1;
+}
-// Retrieves minetest.detached_inventories[name][callbackname]
-// If that is nil or on error, return false and stack is unchanged
-// If that is a function, returns true and pushes the
-// function onto the stack
-static bool get_detached_inventory_callback(lua_State *L,
- const std::string &name, const char *callbackname)
+// ban_player()
+static int l_ban_player(lua_State *L)
{
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "detached_inventories");
- lua_remove(L, -2);
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, name.c_str());
- lua_remove(L, -2);
- // Should be a table
- if(lua_type(L, -1) != LUA_TTABLE)
- {
- errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
- lua_pop(L, 1);
- return false;
- }
- lua_getfield(L, -1, callbackname);
- lua_remove(L, -2);
- // Should be a function or nil
- if(lua_type(L, -1) == LUA_TFUNCTION)
+ const char * name = luaL_checkstring(L, 1);
+ Player *player = get_env(L)->getPlayer(name);
+ if(player == NULL)
{
- return true;
+ lua_pushboolean(L, false); // no such player
+ return 1;
}
- else if(lua_isnil(L, -1))
+ try
{
- lua_pop(L, 1);
- return false;
+ Address addr = get_server(L)->getPeerAddress(get_env(L)->getPlayer(name)->peer_id);
+ std::string ip_str = addr.serializeString();
+ get_server(L)->setIpBanned(ip_str, name);
}
- else
+ catch(con::PeerNotFoundException) // unlikely
{
- errorstream<<"Detached inventory \""<<name<<"\" callback \""
- <<callbackname<<"\" is not a function"<<std::endl;
- lua_pop(L, 1);
- return false;
+ dstream << __FUNCTION_NAME << ": peer was not found" << std::endl;
+ lua_pushboolean(L, false); // error
+ return 1;
}
+ lua_pushboolean(L, true);
+ return 1;
}
-// Return number of accepted items to be moved
-int scriptapi_detached_inventory_allow_move(lua_State *L,
- const std::string &name,
- const std::string &from_list, int from_index,
- const std::string &to_list, int to_index,
- int count, ServerActiveObject *player)
+// unban_player_or_ip()
+static int l_unban_player_of_ip(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Push callback function on stack
- if(!get_detached_inventory_callback(L, name, "allow_move"))
- return count;
-
- // function(inv, from_list, from_index, to_list, to_index, count, player)
- // inv
- InventoryLocation loc;
- loc.setDetached(name);
- InvRef::create(L, loc);
- // from_list
- lua_pushstring(L, from_list.c_str());
- // from_index
- lua_pushinteger(L, from_index + 1);
- // to_list
- lua_pushstring(L, to_list.c_str());
- // to_index
- lua_pushinteger(L, to_index + 1);
- // count
- lua_pushinteger(L, count);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 7, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnumber(L, -1))
- throw LuaError(L, "allow_move should return a number");
- return luaL_checkinteger(L, -1);
+ const char * ip_or_name = luaL_checkstring(L, 1);
+ get_server(L)->unsetIpBanned(ip_or_name);
+ lua_pushboolean(L, true);
+ return 1;
}
-// Return number of accepted items to be put
-int scriptapi_detached_inventory_allow_put(lua_State *L,
- const std::string &name,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player)
+// show_formspec(playername,formname,formspec)
+static int l_show_formspec(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Push callback function on stack
- if(!get_detached_inventory_callback(L, name, "allow_put"))
- return stack.count; // All will be accepted
+ const char *playername = luaL_checkstring(L, 1);
+ const char *formname = luaL_checkstring(L, 2);
+ const char *formspec = luaL_checkstring(L, 3);
- // Call function(inv, listname, index, stack, player)
- // inv
- InventoryLocation loc;
- loc.setDetached(name);
- InvRef::create(L, loc);
- // listname
- lua_pushstring(L, listname.c_str());
- // index
- lua_pushinteger(L, index + 1);
- // stack
- LuaItemStack::create(L, stack);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 5, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnumber(L, -1))
- throw LuaError(L, "allow_put should return a number");
- return luaL_checkinteger(L, -1);
+ if(get_server(L)->showFormspec(playername,formspec,formname))
+ {
+ lua_pushboolean(L, true);
+ }else{
+ lua_pushboolean(L, false);
+ }
+ return 1;
}
-// Return number of accepted items to be taken
-int scriptapi_detached_inventory_allow_take(lua_State *L,
- const std::string &name,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player)
+// get_dig_params(groups, tool_capabilities[, time_from_last_punch])
+static int l_get_dig_params(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Push callback function on stack
- if(!get_detached_inventory_callback(L, name, "allow_take"))
- return stack.count; // All will be accepted
-
- // Call function(inv, listname, index, stack, player)
- // inv
- InventoryLocation loc;
- loc.setDetached(name);
- InvRef::create(L, loc);
- // listname
- lua_pushstring(L, listname.c_str());
- // index
- lua_pushinteger(L, index + 1);
- // stack
- LuaItemStack::create(L, stack);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 5, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnumber(L, -1))
- throw LuaError(L, "allow_take should return a number");
- return luaL_checkinteger(L, -1);
+ std::map<std::string, int> groups;
+ read_groups(L, 1, groups);
+ ToolCapabilities tp = read_tool_capabilities(L, 2);
+ if(lua_isnoneornil(L, 3))
+ push_dig_params(L, getDigParams(groups, &tp));
+ else
+ push_dig_params(L, getDigParams(groups, &tp,
+ luaL_checknumber(L, 3)));
+ return 1;
}
-// Report moved items
-void scriptapi_detached_inventory_on_move(lua_State *L,
- const std::string &name,
- const std::string &from_list, int from_index,
- const std::string &to_list, int to_index,
- int count, ServerActiveObject *player)
+// get_hit_params(groups, tool_capabilities[, time_from_last_punch])
+static int l_get_hit_params(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
+ std::map<std::string, int> groups;
+ read_groups(L, 1, groups);
+ ToolCapabilities tp = read_tool_capabilities(L, 2);
+ if(lua_isnoneornil(L, 3))
+ push_hit_params(L, getHitParams(groups, &tp));
+ else
+ push_hit_params(L, getHitParams(groups, &tp,
+ luaL_checknumber(L, 3)));
+ return 1;
+}
- // Push callback function on stack
- if(!get_detached_inventory_callback(L, name, "on_move"))
- return;
+// get_current_modname()
+static int l_get_current_modname(lua_State *L)
+{
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
+ return 1;
+}
- // function(inv, from_list, from_index, to_list, to_index, count, player)
- // inv
- InventoryLocation loc;
- loc.setDetached(name);
- InvRef::create(L, loc);
- // from_list
- lua_pushstring(L, from_list.c_str());
- // from_index
- lua_pushinteger(L, from_index + 1);
- // to_list
- lua_pushstring(L, to_list.c_str());
- // to_index
- lua_pushinteger(L, to_index + 1);
- // count
- lua_pushinteger(L, count);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 7, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+// get_modpath(modname)
+static int l_get_modpath(lua_State *L)
+{
+ std::string modname = luaL_checkstring(L, 1);
+ // Do it
+ if(modname == "__builtin"){
+ std::string path = get_server(L)->getBuiltinLuaPath();
+ lua_pushstring(L, path.c_str());
+ return 1;
+ }
+ const ModSpec *mod = get_server(L)->getModSpec(modname);
+ if(!mod){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_pushstring(L, mod->path.c_str());
+ return 1;
}
-// Report put items
-void scriptapi_detached_inventory_on_put(lua_State *L,
- const std::string &name,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player)
+// get_modnames()
+// the returned list is sorted alphabetically for you
+static int l_get_modnames(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
+ // Get a list of mods
+ core::list<std::string> mods_unsorted, mods_sorted;
+ get_server(L)->getModNames(mods_unsorted);
- // Push callback function on stack
- if(!get_detached_inventory_callback(L, name, "on_put"))
- return;
+ // Take unsorted items from mods_unsorted and sort them into
+ // mods_sorted; not great performance but the number of mods on a
+ // server will likely be small.
+ for(core::list<std::string>::Iterator i = mods_unsorted.begin();
+ i != mods_unsorted.end(); i++)
+ {
+ bool added = false;
+ for(core::list<std::string>::Iterator x = mods_sorted.begin();
+ x != mods_unsorted.end(); x++)
+ {
+ // I doubt anybody using Minetest will be using
+ // anything not ASCII based :)
+ if((*i).compare(*x) <= 0)
+ {
+ mods_sorted.insert_before(x, *i);
+ added = true;
+ break;
+ }
+ }
+ if(!added)
+ mods_sorted.push_back(*i);
+ }
- // Call function(inv, listname, index, stack, player)
- // inv
- InventoryLocation loc;
- loc.setDetached(name);
- InvRef::create(L, loc);
- // listname
- lua_pushstring(L, listname.c_str());
- // index
- lua_pushinteger(L, index + 1);
- // stack
- LuaItemStack::create(L, stack);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 5, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ // Get the table insertion function from Lua.
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int insertion_func = lua_gettop(L);
+
+ // Package them up for Lua
+ lua_newtable(L);
+ int new_table = lua_gettop(L);
+ core::list<std::string>::Iterator i = mods_sorted.begin();
+ while(i != mods_sorted.end())
+ {
+ lua_pushvalue(L, insertion_func);
+ lua_pushvalue(L, new_table);
+ lua_pushstring(L, (*i).c_str());
+ if(lua_pcall(L, 2, 0, 0) != 0)
+ {
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ i++;
+ }
+ return 1;
}
-// Report taken items
-void scriptapi_detached_inventory_on_take(lua_State *L,
- const std::string &name,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player)
+// get_worldpath()
+static int l_get_worldpath(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Push callback function on stack
- if(!get_detached_inventory_callback(L, name, "on_take"))
- return;
-
- // Call function(inv, listname, index, stack, player)
- // inv
- InventoryLocation loc;
- loc.setDetached(name);
- InvRef::create(L, loc);
- // listname
- lua_pushstring(L, listname.c_str());
- // index
- lua_pushinteger(L, index + 1);
- // stack
- LuaItemStack::create(L, stack);
- // player
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 5, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
+ std::string worldpath = get_server(L)->getWorldPath();
+ lua_pushstring(L, worldpath.c_str());
+ return 1;
}
-/*
- environment
-*/
-
-void scriptapi_environment_step(lua_State *L, float dtime)
+// sound_play(spec, parameters)
+static int l_sound_play(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_environment_step"<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_globalsteps
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_globalsteps");
- // Call callbacks
- lua_pushnumber(L, dtime);
- scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
+ SimpleSoundSpec spec;
+ read_soundspec(L, 1, spec);
+ ServerSoundParams params;
+ read_server_sound_params(L, 2, params);
+ s32 handle = get_server(L)->playSound(spec, params);
+ lua_pushinteger(L, handle);
+ return 1;
}
-void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp,
- u32 blockseed)
+// sound_stop(handle)
+static int l_sound_stop(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_environment_on_generated"<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_on_generateds
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_generateds");
- // Call callbacks
- push_v3s16(L, minp);
- push_v3s16(L, maxp);
- lua_pushnumber(L, blockseed);
- scriptapi_run_callbacks(L, 3, RUN_CALLBACKS_MODE_FIRST);
+ int handle = luaL_checkinteger(L, 1);
+ get_server(L)->stopSound(handle);
+ return 0;
}
-/*
- luaentity
-*/
-
-bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name)
+// is_singleplayer()
+static int l_is_singleplayer(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- verbosestream<<"scriptapi_luaentity_add: id="<<id<<" name=\""
- <<name<<"\""<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_entities[name]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_entities");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushstring(L, name);
- lua_gettable(L, -2);
- // Should be a table, which we will use as a prototype
- //luaL_checktype(L, -1, LUA_TTABLE);
- if(lua_type(L, -1) != LUA_TTABLE){
- errorstream<<"LuaEntity name \""<<name<<"\" not defined"<<std::endl;
- return false;
- }
- int prototype_table = lua_gettop(L);
- //dump2(L, "prototype_table");
-
- // Create entity object
- lua_newtable(L);
- int object = lua_gettop(L);
-
- // Set object metatable
- lua_pushvalue(L, prototype_table);
- lua_setmetatable(L, -2);
-
- // Add object reference
- // This should be userdata with metatable ObjectRef
- objectref_get(L, id);
- luaL_checktype(L, -1, LUA_TUSERDATA);
- if(!luaL_checkudata(L, -1, "ObjectRef"))
- luaL_typerror(L, -1, "ObjectRef");
- lua_setfield(L, -2, "object");
-
- // minetest.luaentities[id] = object
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "luaentities");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id); // Push id
- lua_pushvalue(L, object); // Copy object to top of stack
- lua_settable(L, -3);
-
- return true;
+ lua_pushboolean(L, get_server(L)->isSingleplayer());
+ return 1;
}
-void scriptapi_luaentity_activate(lua_State *L, u16 id,
- const std::string &staticdata, u32 dtime_s)
+// get_password_hash(name, raw_password)
+static int l_get_password_hash(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- verbosestream<<"scriptapi_luaentity_activate: id="<<id<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Get minetest.luaentities[id]
- luaentity_get(L, id);
- int object = lua_gettop(L);
-
- // Get on_activate function
- lua_pushvalue(L, object);
- lua_getfield(L, -1, "on_activate");
- if(!lua_isnil(L, -1)){
- luaL_checktype(L, -1, LUA_TFUNCTION);
- lua_pushvalue(L, object); // self
- lua_pushlstring(L, staticdata.c_str(), staticdata.size());
- lua_pushinteger(L, dtime_s);
- // Call with 3 arguments, 0 results
- if(lua_pcall(L, 3, 0, 0))
- script_error(L, "error running function on_activate: %s\n",
- lua_tostring(L, -1));
- }
+ std::string name = luaL_checkstring(L, 1);
+ std::string raw_password = luaL_checkstring(L, 2);
+ std::string hash = translatePassword(name,
+ narrow_to_wide(raw_password));
+ lua_pushstring(L, hash.c_str());
+ return 1;
}
-void scriptapi_luaentity_rm(lua_State *L, u16 id)
+// notify_authentication_modified(name)
+static int l_notify_authentication_modified(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- verbosestream<<"scriptapi_luaentity_rm: id="<<id<<std::endl;
-
- // Get minetest.luaentities table
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "luaentities");
- luaL_checktype(L, -1, LUA_TTABLE);
- int objectstable = lua_gettop(L);
-
- // Set luaentities[id] = nil
- lua_pushnumber(L, id); // Push id
- lua_pushnil(L);
- lua_settable(L, objectstable);
-
- lua_pop(L, 2); // pop luaentities, minetest
+ std::string name = "";
+ if(lua_isstring(L, 1))
+ name = lua_tostring(L, 1);
+ get_server(L)->reportPrivsModified(name);
+ return 0;
}
-std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id)
+// rollback_get_last_node_actor(p, range, seconds) -> actor, p, seconds
+static int l_rollback_get_last_node_actor(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Get minetest.luaentities[id]
- luaentity_get(L, id);
- int object = lua_gettop(L);
-
- // Get get_staticdata function
- lua_pushvalue(L, object);
- lua_getfield(L, -1, "get_staticdata");
- if(lua_isnil(L, -1))
- return "";
-
- luaL_checktype(L, -1, LUA_TFUNCTION);
- lua_pushvalue(L, object); // self
- // Call with 1 arguments, 1 results
- if(lua_pcall(L, 1, 1, 0))
- script_error(L, "error running function get_staticdata: %s\n",
- lua_tostring(L, -1));
-
- size_t len=0;
- const char *s = lua_tolstring(L, -1, &len);
- return std::string(s, len);
+ v3s16 p = read_v3s16(L, 1);
+ int range = luaL_checknumber(L, 2);
+ int seconds = luaL_checknumber(L, 3);
+ Server *server = get_server(L);
+ IRollbackManager *rollback = server->getRollbackManager();
+ v3s16 act_p;
+ int act_seconds = 0;
+ std::string actor = rollback->getLastNodeActor(p, range, seconds, &act_p, &act_seconds);
+ lua_pushstring(L, actor.c_str());
+ push_v3s16(L, act_p);
+ lua_pushnumber(L, act_seconds);
+ return 3;
}
-void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
- ObjectProperties *prop)
+// rollback_revert_actions_by(actor, seconds) -> bool, log messages
+static int l_rollback_revert_actions_by(lua_State *L)
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl;
- StackUnroller stack_unroller(L);
-
- // Get minetest.luaentities[id]
- luaentity_get(L, id);
- //int object = lua_gettop(L);
-
- // Set default values that differ from ObjectProperties defaults
- prop->hp_max = 10;
-
- /* Read stuff */
-
- prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
-
- getboolfield(L, -1, "physical", prop->physical);
-
- getfloatfield(L, -1, "weight", prop->weight);
-
- lua_getfield(L, -1, "collisionbox");
- if(lua_istable(L, -1))
- prop->collisionbox = read_aabb3f(L, -1, 1.0);
- lua_pop(L, 1);
-
- getstringfield(L, -1, "visual", prop->visual);
+ std::string actor = luaL_checkstring(L, 1);
+ int seconds = luaL_checknumber(L, 2);
+ Server *server = get_server(L);
+ IRollbackManager *rollback = server->getRollbackManager();
+ std::list<RollbackAction> actions = rollback->getRevertActions(actor, seconds);
+ std::list<std::string> log;
+ bool success = server->rollbackRevertActions(actions, &log);
+ // Push boolean result
+ lua_pushboolean(L, success);
+ // Get the table insert function and push the log table
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(std::list<std::string>::const_iterator i = log.begin();
+ i != log.end(); i++)
+ {
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ lua_pushstring(L, i->c_str());
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ lua_remove(L, -2); // Remove table
+ lua_remove(L, -2); // Remove insert
+ return 2;
+}
- getstringfield(L, -1, "mesh", prop->mesh);
+static const struct luaL_Reg minetest_f [] = {
+ {"debug", l_debug},
+ {"log", l_log},
+ {"request_shutdown", l_request_shutdown},
+ {"get_server_status", l_get_server_status},
+ {"register_item_raw", l_register_item_raw},
+ {"register_alias_raw", l_register_alias_raw},
+ {"register_craft", l_register_craft},
+ {"register_biome", l_register_biome},
+ {"register_biome_groups", l_register_biome_groups},
+ {"setting_set", l_setting_set},
+ {"setting_get", l_setting_get},
+ {"setting_getbool", l_setting_getbool},
+ {"setting_save",l_setting_save},
+ {"chat_send_all", l_chat_send_all},
+ {"chat_send_player", l_chat_send_player},
+ {"get_player_privs", l_get_player_privs},
+ {"get_ban_list", l_get_ban_list},
+ {"get_ban_description", l_get_ban_description},
+ {"ban_player", l_ban_player},
+ {"unban_player_or_ip", l_unban_player_of_ip},
+ {"get_inventory", l_get_inventory},
+ {"create_detached_inventory_raw", l_create_detached_inventory_raw},
+ {"show_formspec", l_show_formspec},
+ {"get_dig_params", l_get_dig_params},
+ {"get_hit_params", l_get_hit_params},
+ {"get_current_modname", l_get_current_modname},
+ {"get_modpath", l_get_modpath},
+ {"get_modnames", l_get_modnames},
+ {"get_worldpath", l_get_worldpath},
+ {"sound_play", l_sound_play},
+ {"sound_stop", l_sound_stop},
+ {"is_singleplayer", l_is_singleplayer},
+ {"get_password_hash", l_get_password_hash},
+ {"notify_authentication_modified", l_notify_authentication_modified},
+ {"get_craft_result", l_get_craft_result},
+ {"get_craft_recipe", l_get_craft_recipe},
+ {"rollback_get_last_node_actor", l_rollback_get_last_node_actor},
+ {"rollback_revert_actions_by", l_rollback_revert_actions_by},
+ {NULL, NULL}
+};
- // Deprecated: read object properties directly
- read_object_properties(L, -1, prop);
- // Read initial_properties
- lua_getfield(L, -1, "initial_properties");
- read_object_properties(L, -1, prop);
- lua_pop(L, 1);
-}
+/*
+ Main export function
+*/
-void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
+void scriptapi_export(lua_State *L, Server *server)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
+ verbosestream<<"scriptapi_export()"<<std::endl;
StackUnroller stack_unroller(L);
- // Get minetest.luaentities[id]
- luaentity_get(L, id);
- int object = lua_gettop(L);
- // State: object is at top of stack
- // Get step function
- lua_getfield(L, -1, "on_step");
- if(lua_isnil(L, -1))
- return;
- luaL_checktype(L, -1, LUA_TFUNCTION);
- lua_pushvalue(L, object); // self
- lua_pushnumber(L, dtime); // dtime
- // Call with 2 arguments, 0 results
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error running function 'on_step': %s\n", lua_tostring(L, -1));
-}
+ // Store server as light userdata in registry
+ lua_pushlightuserdata(L, server);
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_server");
-// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch,
-// tool_capabilities, direction)
-void scriptapi_luaentity_punch(lua_State *L, u16 id,
- ServerActiveObject *puncher, float time_from_last_punch,
- const ToolCapabilities *toolcap, v3f dir)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
- StackUnroller stack_unroller(L);
+ // Register global functions in table minetest
+ lua_newtable(L);
+ luaL_register(L, NULL, minetest_f);
+ lua_setglobal(L, "minetest");
- // Get minetest.luaentities[id]
- luaentity_get(L, id);
- int object = lua_gettop(L);
- // State: object is at top of stack
- // Get function
- lua_getfield(L, -1, "on_punch");
- if(lua_isnil(L, -1))
- return;
- luaL_checktype(L, -1, LUA_TFUNCTION);
- lua_pushvalue(L, object); // self
- objectref_get_or_create(L, puncher); // Clicker reference
- lua_pushnumber(L, time_from_last_punch);
- push_tool_capabilities(L, *toolcap);
- push_v3f(L, dir);
- // Call with 5 arguments, 0 results
- if(lua_pcall(L, 5, 0, 0))
- script_error(L, "error running function 'on_punch': %s\n", lua_tostring(L, -1));
-}
+ // Get the main minetest table
+ lua_getglobal(L, "minetest");
-// Calls entity:on_rightclick(ObjectRef clicker)
-void scriptapi_luaentity_rightclick(lua_State *L, u16 id,
- ServerActiveObject *clicker)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
- StackUnroller stack_unroller(L);
+ // Add tables to minetest
+ lua_newtable(L);
+ lua_setfield(L, -2, "object_refs");
+ lua_newtable(L);
+ lua_setfield(L, -2, "luaentities");
- // Get minetest.luaentities[id]
- luaentity_get(L, id);
- int object = lua_gettop(L);
- // State: object is at top of stack
- // Get function
- lua_getfield(L, -1, "on_rightclick");
- if(lua_isnil(L, -1))
- return;
- luaL_checktype(L, -1, LUA_TFUNCTION);
- lua_pushvalue(L, object); // self
- objectref_get_or_create(L, clicker); // Clicker reference
- // Call with 2 arguments, 0 results
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error running function 'on_rightclick': %s\n", lua_tostring(L, -1));
+ // Register wrappers
+ LuaItemStack::Register(L);
+ InvRef::Register(L);
+ NodeMetaRef::Register(L);
+ NodeTimerRef::Register(L);
+ ObjectRef::Register(L);
+ EnvRef::Register(L);
+ LuaPseudoRandom::Register(L);
+ LuaPerlinNoise::Register(L);
+ LuaPerlinNoiseMap::Register(L);
}
-
diff --git a/src/scriptapi.h b/src/scriptapi.h
index e94ca781fce68e8730865049718fc5b0f2919c4b..4a0b078943b841e959794d935969bbfa6dc606a4 100644
--- a/src/scriptapi.h
+++ b/src/scriptapi.h
@@ -20,41 +20,33 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#ifndef SCRIPTAPI_HEADER
#define SCRIPTAPI_HEADER
-#include "irrlichttypes_bloated.h"
#include <string>
-#include "mapnode.h"
#include <set>
#include <map>
+extern "C" {
+#include <lua.h>
+}
+#include "scriptapi_inventory.h"
+#include "scriptapi_nodemeta.h"
+#include "scriptapi_entity.h"
+#include "scriptapi_object.h"
+#include "scriptapi_env.h"
+#include "scriptapi_item.h"
+#include "scriptapi_node.h"
+
+#define luamethod(class, name) {#name, class::l_##name}
+
class Server;
-class ServerEnvironment;
-class ServerActiveObject;
-typedef struct lua_State lua_State;
-struct ObjectProperties;
-struct ItemStack;
-struct PointedThing;
-//class IGameDef;
-struct ToolCapabilities;
void scriptapi_export(lua_State *L, Server *server);
bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
const std::string &modname);
-void scriptapi_add_environment(lua_State *L, ServerEnvironment *env);
-
-void scriptapi_add_object_reference(lua_State *L, ServerActiveObject *cobj);
-void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj);
// Returns true if script handled message
bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
const std::string &message);
-/* environment */
-// On environment step
-void scriptapi_environment_step(lua_State *L, float dtime);
-// After generating a piece of map
-void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp,
- u32 blockseed);
-
/* server */
void scriptapi_on_shutdown(lua_State *L);
@@ -77,110 +69,5 @@ void scriptapi_on_player_receive_fields(lua_State *L,
const std::string &formname,
const std::map<std::string, std::string> &fields);
-/* item callbacks */
-bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
- ServerActiveObject *dropper, v3f pos);
-bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
- ServerActiveObject *placer, const PointedThing &pointed);
-bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
- ServerActiveObject *user, const PointedThing &pointed);
-
-/* node callbacks */
-bool scriptapi_node_on_punch(lua_State *L, v3s16 p, MapNode node,
- ServerActiveObject *puncher);
-bool scriptapi_node_on_dig(lua_State *L, v3s16 p, MapNode node,
- ServerActiveObject *digger);
-// Node constructor
-void scriptapi_node_on_construct(lua_State *L, v3s16 p, MapNode node);
-// Node destructor
-void scriptapi_node_on_destruct(lua_State *L, v3s16 p, MapNode node);
-// Node post-destructor
-void scriptapi_node_after_destruct(lua_State *L, v3s16 p, MapNode node);
-// Node Timer event
-bool scriptapi_node_on_timer(lua_State *L, v3s16 p, MapNode node, f32 dtime);
-// Called when a metadata form returns values
-void scriptapi_node_on_receive_fields(lua_State *L, v3s16 p,
- const std::string &formname,
- const std::map<std::string, std::string> &fields,
- ServerActiveObject *sender);
-
-/* Node metadata inventory callbacks */
-// Return number of accepted items to be moved
-int scriptapi_nodemeta_inventory_allow_move(lua_State *L, v3s16 p,
- const std::string &from_list, int from_index,
- const std::string &to_list, int to_index,
- int count, ServerActiveObject *player);
-// Return number of accepted items to be put
-int scriptapi_nodemeta_inventory_allow_put(lua_State *L, v3s16 p,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player);
-// Return number of accepted items to be taken
-int scriptapi_nodemeta_inventory_allow_take(lua_State *L, v3s16 p,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player);
-// Report moved items
-void scriptapi_nodemeta_inventory_on_move(lua_State *L, v3s16 p,
- const std::string &from_list, int from_index,
- const std::string &to_list, int to_index,
- int count, ServerActiveObject *player);
-// Report put items
-void scriptapi_nodemeta_inventory_on_put(lua_State *L, v3s16 p,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player);
-// Report taken items
-void scriptapi_nodemeta_inventory_on_take(lua_State *L, v3s16 p,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player);
-
-/* Detached inventory callbacks */
-// Return number of accepted items to be moved
-int scriptapi_detached_inventory_allow_move(lua_State *L,
- const std::string &name,
- const std::string &from_list, int from_index,
- const std::string &to_list, int to_index,
- int count, ServerActiveObject *player);
-// Return number of accepted items to be put
-int scriptapi_detached_inventory_allow_put(lua_State *L,
- const std::string &name,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player);
-// Return number of accepted items to be taken
-int scriptapi_detached_inventory_allow_take(lua_State *L,
- const std::string &name,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player);
-// Report moved items
-void scriptapi_detached_inventory_on_move(lua_State *L,
- const std::string &name,
- const std::string &from_list, int from_index,
- const std::string &to_list, int to_index,
- int count, ServerActiveObject *player);
-// Report put items
-void scriptapi_detached_inventory_on_put(lua_State *L,
- const std::string &name,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player);
-// Report taken items
-void scriptapi_detached_inventory_on_take(lua_State *L,
- const std::string &name,
- const std::string &listname, int index, ItemStack &stack,
- ServerActiveObject *player);
-
-/* luaentity */
-// Returns true if succesfully added into Lua; false otherwise.
-bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name);
-void scriptapi_luaentity_activate(lua_State *L, u16 id,
- const std::string &staticdata, u32 dtime_s);
-void scriptapi_luaentity_rm(lua_State *L, u16 id);
-std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id);
-void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
- ObjectProperties *prop);
-void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime);
-void scriptapi_luaentity_punch(lua_State *L, u16 id,
- ServerActiveObject *puncher, float time_from_last_punch,
- const ToolCapabilities *toolcap, v3f dir);
-void scriptapi_luaentity_rightclick(lua_State *L, u16 id,
- ServerActiveObject *clicker);
-
#endif
diff --git a/src/scriptapi_common.cpp b/src/scriptapi_common.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8ee8d6a845a2059c4877b55cd97024e38b3d7a1d
--- /dev/null
+++ b/src/scriptapi_common.cpp
@@ -0,0 +1,287 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_common.h"
+
+extern "C" {
+#include "lauxlib.h"
+}
+
+#include "script.h"
+#include "scriptapi_types.h"
+#include "scriptapi_object.h"
+
+
+Server* get_server(lua_State *L)
+{
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ lua_pop(L, 1);
+ return server;
+}
+
+ServerEnvironment* get_env(lua_State *L)
+{
+ // Get environment from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_env");
+ ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
+ lua_pop(L, 1);
+ return env;
+}
+
+void warn_if_field_exists(lua_State *L, int table,
+ const char *fieldname, const std::string &message)
+{
+ lua_getfield(L, table, fieldname);
+ if(!lua_isnil(L, -1)){
+ infostream<<script_get_backtrace(L)<<std::endl;
+ infostream<<"WARNING: field \""<<fieldname<<"\": "
+ <<message<<std::endl;
+ }
+ lua_pop(L, 1);
+}
+
+/*
+ ToolCapabilities
+*/
+
+ToolCapabilities read_tool_capabilities(
+ lua_State *L, int table)
+{
+ ToolCapabilities toolcap;
+ getfloatfield(L, table, "full_punch_interval", toolcap.full_punch_interval);
+ getintfield(L, table, "max_drop_level", toolcap.max_drop_level);
+ lua_getfield(L, table, "groupcaps");
+ if(lua_istable(L, -1)){
+ int table_groupcaps = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table_groupcaps) != 0){
+ // key at index -2 and value at index -1
+ std::string groupname = luaL_checkstring(L, -2);
+ if(lua_istable(L, -1)){
+ int table_groupcap = lua_gettop(L);
+ // This will be created
+ ToolGroupCap groupcap;
+ // Read simple parameters
+ getintfield(L, table_groupcap, "maxlevel", groupcap.maxlevel);
+ getintfield(L, table_groupcap, "uses", groupcap.uses);
+ // DEPRECATED: maxwear
+ float maxwear = 0;
+ if(getfloatfield(L, table_groupcap, "maxwear", maxwear)){
+ if(maxwear != 0)
+ groupcap.uses = 1.0/maxwear;
+ else
+ groupcap.uses = 0;
+ infostream<<script_get_backtrace(L)<<std::endl;
+ infostream<<"WARNING: field \"maxwear\" is deprecated; "
+ <<"should replace with uses=1/maxwear"<<std::endl;
+ }
+ // Read "times" table
+ lua_getfield(L, table_groupcap, "times");
+ if(lua_istable(L, -1)){
+ int table_times = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table_times) != 0){
+ // key at index -2 and value at index -1
+ int rating = luaL_checkinteger(L, -2);
+ float time = luaL_checknumber(L, -1);
+ groupcap.times[rating] = time;
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+ // Insert groupcap into toolcap
+ toolcap.groupcaps[groupname] = groupcap;
+ }
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+ return toolcap;
+}
+
+void set_tool_capabilities(lua_State *L, int table,
+ const ToolCapabilities &toolcap)
+{
+ setfloatfield(L, table, "full_punch_interval", toolcap.full_punch_interval);
+ setintfield(L, table, "max_drop_level", toolcap.max_drop_level);
+ // Create groupcaps table
+ lua_newtable(L);
+ // For each groupcap
+ for(std::map<std::string, ToolGroupCap>::const_iterator
+ i = toolcap.groupcaps.begin(); i != toolcap.groupcaps.end(); i++){
+ // Create groupcap table
+ lua_newtable(L);
+ const std::string &name = i->first;
+ const ToolGroupCap &groupcap = i->second;
+ // Create subtable "times"
+ lua_newtable(L);
+ for(std::map<int, float>::const_iterator
+ i = groupcap.times.begin(); i != groupcap.times.end(); i++){
+ int rating = i->first;
+ float time = i->second;
+ lua_pushinteger(L, rating);
+ lua_pushnumber(L, time);
+ lua_settable(L, -3);
+ }
+ // Set subtable "times"
+ lua_setfield(L, -2, "times");
+ // Set simple parameters
+ setintfield(L, -1, "maxlevel", groupcap.maxlevel);
+ setintfield(L, -1, "uses", groupcap.uses);
+ // Insert groupcap table into groupcaps table
+ lua_setfield(L, -2, name.c_str());
+ }
+ // Set groupcaps table
+ lua_setfield(L, -2, "groupcaps");
+}
+
+void push_tool_capabilities(lua_State *L,
+ const ToolCapabilities &prop)
+{
+ lua_newtable(L);
+ set_tool_capabilities(L, -1, prop);
+}
+
+void realitycheck(lua_State *L)
+{
+ int top = lua_gettop(L);
+ if(top >= 30){
+ dstream<<"Stack is over 30:"<<std::endl;
+ stackDump(L, dstream);
+ script_error(L, "Stack is over 30 (reality check)");
+ }
+}
+
+/*
+ PointedThing
+*/
+
+void push_pointed_thing(lua_State *L, const PointedThing& pointed)
+{
+ lua_newtable(L);
+ if(pointed.type == POINTEDTHING_NODE)
+ {
+ lua_pushstring(L, "node");
+ lua_setfield(L, -2, "type");
+ push_v3s16(L, pointed.node_undersurface);
+ lua_setfield(L, -2, "under");
+ push_v3s16(L, pointed.node_abovesurface);
+ lua_setfield(L, -2, "above");
+ }
+ else if(pointed.type == POINTEDTHING_OBJECT)
+ {
+ lua_pushstring(L, "object");
+ lua_setfield(L, -2, "type");
+ objectref_get(L, pointed.object_id);
+ lua_setfield(L, -2, "ref");
+ }
+ else
+ {
+ lua_pushstring(L, "nothing");
+ lua_setfield(L, -2, "type");
+ }
+}
+
+void stackDump(lua_State *L, std::ostream &o)
+{
+ int i;
+ int top = lua_gettop(L);
+ for (i = 1; i <= top; i++) { /* repeat for each level */
+ int t = lua_type(L, i);
+ switch (t) {
+
+ case LUA_TSTRING: /* strings */
+ o<<"\""<<lua_tostring(L, i)<<"\"";
+ break;
+
+ case LUA_TBOOLEAN: /* booleans */
+ o<<(lua_toboolean(L, i) ? "true" : "false");
+ break;
+
+ case LUA_TNUMBER: /* numbers */ {
+ char buf[10];
+ snprintf(buf, 10, "%g", lua_tonumber(L, i));
+ o<<buf;
+ break; }
+
+ default: /* other values */
+ o<<lua_typename(L, t);
+ break;
+
+ }
+ o<<" ";
+ }
+ o<<std::endl;
+}
+
+#if 0
+// Dump stack top with the dump2 function
+static void dump2(lua_State *L, const char *name)
+{
+ // Dump object (debug)
+ lua_getglobal(L, "dump2");
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, -2); // Get previous stack top as first parameter
+ lua_pushstring(L, name);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+#endif
+
+bool string_to_enum(const EnumString *spec, int &result,
+ const std::string &str)
+{
+ const EnumString *esp = spec;
+ while(esp->str){
+ if(str == std::string(esp->str)){
+ result = esp->num;
+ return true;
+ }
+ esp++;
+ }
+ return false;
+}
+
+/*bool enum_to_string(const EnumString *spec, std::string &result,
+ int num)
+{
+ const EnumString *esp = spec;
+ while(esp){
+ if(num == esp->num){
+ result = esp->str;
+ return true;
+ }
+ esp++;
+ }
+ return false;
+}*/
+
+int getenumfield(lua_State *L, int table,
+ const char *fieldname, const EnumString *spec, int default_)
+{
+ int result = default_;
+ string_to_enum(spec, result,
+ getstringfield_default(L, table, fieldname, ""));
+ return result;
+}
diff --git a/src/scriptapi_common.h b/src/scriptapi_common.h
new file mode 100644
index 0000000000000000000000000000000000000000..d029b48d331450dbb2974ba988eff2b5583b2255
--- /dev/null
+++ b/src/scriptapi_common.h
@@ -0,0 +1,112 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_COMMON_H_
+#define LUA_COMMON_H_
+
+extern "C" {
+#include <lua.h>
+}
+
+#include "server.h"
+#include "environment.h"
+#include "nodedef.h"
+#include "util/pointedthing.h"
+#include "tool.h"
+
+Server* get_server(lua_State *L);
+ServerEnvironment* get_env(lua_State *L);
+
+void warn_if_field_exists(lua_State *L, int table,
+ const char *fieldname, const std::string &message);
+
+ToolCapabilities read_tool_capabilities (lua_State *L, int table);
+void push_tool_capabilities (lua_State *L,
+ const ToolCapabilities &prop);
+void set_tool_capabilities (lua_State *L, int table,
+ const ToolCapabilities &toolcap);
+
+void realitycheck (lua_State *L);
+
+void push_pointed_thing (lua_State *L,
+ const PointedThing& pointed);
+
+void stackDump (lua_State *L, std::ostream &o);
+
+class StackUnroller
+{
+private:
+ lua_State *m_lua;
+ int m_original_top;
+public:
+ StackUnroller(lua_State *L):
+ m_lua(L),
+ m_original_top(-1)
+ {
+ m_original_top = lua_gettop(m_lua); // store stack height
+ }
+ ~StackUnroller()
+ {
+ lua_settop(m_lua, m_original_top); // restore stack height
+ }
+};
+
+/* definitions */
+// What scriptapi_run_callbacks does with the return values of callbacks.
+// Regardless of the mode, if only one callback is defined,
+// its return value is the total return value.
+// Modes only affect the case where 0 or >= 2 callbacks are defined.
+enum RunCallbacksMode
+{
+ // Returns the return value of the first callback
+ // Returns nil if list of callbacks is empty
+ RUN_CALLBACKS_MODE_FIRST,
+ // Returns the return value of the last callback
+ // Returns nil if list of callbacks is empty
+ RUN_CALLBACKS_MODE_LAST,
+ // If any callback returns a false value, the first such is returned
+ // Otherwise, the first callback's return value (trueish) is returned
+ // Returns true if list of callbacks is empty
+ RUN_CALLBACKS_MODE_AND,
+ // Like above, but stops calling callbacks (short circuit)
+ // after seeing the first false value
+ RUN_CALLBACKS_MODE_AND_SC,
+ // If any callback returns a true value, the first such is returned
+ // Otherwise, the first callback's return value (falseish) is returned
+ // Returns false if list of callbacks is empty
+ RUN_CALLBACKS_MODE_OR,
+ // Like above, but stops calling callbacks (short circuit)
+ // after seeing the first true value
+ RUN_CALLBACKS_MODE_OR_SC,
+ // Note: "a true value" and "a false value" refer to values that
+ // are converted by lua_toboolean to true or false, respectively.
+};
+
+struct EnumString
+{
+ int num;
+ const char *str;
+};
+
+bool string_to_enum(const EnumString *spec, int &result,
+ const std::string &str);
+
+int getenumfield(lua_State *L, int table,
+ const char *fieldname, const EnumString *spec, int default_);
+#endif /* LUA_COMMON_H_ */
diff --git a/src/scriptapi_content.cpp b/src/scriptapi_content.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3b7ed517962936994707ea60b793bb6811ce70a7
--- /dev/null
+++ b/src/scriptapi_content.cpp
@@ -0,0 +1,322 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_content.h"
+#include "scriptapi_types.h"
+#include "scriptapi_common.h"
+#include "scriptapi_node.h"
+
+
+NodeBox read_nodebox(lua_State *L, int index)
+{
+ NodeBox nodebox;
+ if(lua_istable(L, -1)){
+ nodebox.type = (NodeBoxType)getenumfield(L, index, "type",
+ es_NodeBoxType, NODEBOX_REGULAR);
+
+ lua_getfield(L, index, "fixed");
+ if(lua_istable(L, -1))
+ nodebox.fixed = read_aabb3f_vector(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "wall_top");
+ if(lua_istable(L, -1))
+ nodebox.wall_top = read_aabb3f(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "wall_bottom");
+ if(lua_istable(L, -1))
+ nodebox.wall_bottom = read_aabb3f(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "wall_side");
+ if(lua_istable(L, -1))
+ nodebox.wall_side = read_aabb3f(L, -1, BS);
+ lua_pop(L, 1);
+ }
+ return nodebox;
+}
+
+/*
+ SimpleSoundSpec
+*/
+
+void read_soundspec(lua_State *L, int index, SimpleSoundSpec &spec)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ if(lua_isnil(L, index)){
+ } else if(lua_istable(L, index)){
+ getstringfield(L, index, "name", spec.name);
+ getfloatfield(L, index, "gain", spec.gain);
+ } else if(lua_isstring(L, index)){
+ spec.name = lua_tostring(L, index);
+ }
+}
+
+struct EnumString es_TileAnimationType[] =
+{
+ {TAT_NONE, "none"},
+ {TAT_VERTICAL_FRAMES, "vertical_frames"},
+ {0, NULL},
+};
+
+/*
+ TileDef
+*/
+
+TileDef read_tiledef(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ TileDef tiledef;
+
+ // key at index -2 and value at index
+ if(lua_isstring(L, index)){
+ // "default_lava.png"
+ tiledef.name = lua_tostring(L, index);
+ }
+ else if(lua_istable(L, index))
+ {
+ // {name="default_lava.png", animation={}}
+ tiledef.name = "";
+ getstringfield(L, index, "name", tiledef.name);
+ getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat.
+ tiledef.backface_culling = getboolfield_default(
+ L, index, "backface_culling", true);
+ // animation = {}
+ lua_getfield(L, index, "animation");
+ if(lua_istable(L, -1)){
+ // {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}
+ tiledef.animation.type = (TileAnimationType)
+ getenumfield(L, -1, "type", es_TileAnimationType,
+ TAT_NONE);
+ tiledef.animation.aspect_w =
+ getintfield_default(L, -1, "aspect_w", 16);
+ tiledef.animation.aspect_h =
+ getintfield_default(L, -1, "aspect_h", 16);
+ tiledef.animation.length =
+ getfloatfield_default(L, -1, "length", 1.0);
+ }
+ lua_pop(L, 1);
+ }
+
+ return tiledef;
+}
+
+/*
+ ContentFeatures
+*/
+
+ContentFeatures read_content_features(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ ContentFeatures f;
+
+ /* Cache existence of some callbacks */
+ lua_getfield(L, index, "on_construct");
+ if(!lua_isnil(L, -1)) f.has_on_construct = true;
+ lua_pop(L, 1);
+ lua_getfield(L, index, "on_destruct");
+ if(!lua_isnil(L, -1)) f.has_on_destruct = true;
+ lua_pop(L, 1);
+ lua_getfield(L, index, "after_destruct");
+ if(!lua_isnil(L, -1)) f.has_after_destruct = true;
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "on_rightclick");
+ f.rightclickable = lua_isfunction(L, -1);
+ lua_pop(L, 1);
+
+ /* Name */
+ getstringfield(L, index, "name", f.name);
+
+ /* Groups */
+ lua_getfield(L, index, "groups");
+ read_groups(L, -1, f.groups);
+ lua_pop(L, 1);
+
+ /* Visual definition */
+
+ f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype", es_DrawType,
+ NDT_NORMAL);
+ getfloatfield(L, index, "visual_scale", f.visual_scale);
+
+ // tiles = {}
+ lua_getfield(L, index, "tiles");
+ // If nil, try the deprecated name "tile_images" instead
+ if(lua_isnil(L, -1)){
+ lua_pop(L, 1);
+ warn_if_field_exists(L, index, "tile_images",
+ "Deprecated; new name is \"tiles\".");
+ lua_getfield(L, index, "tile_images");
+ }
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // Read tiledef from value
+ f.tiledef[i] = read_tiledef(L, -1);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
+ // Copy last value to all remaining textures
+ if(i >= 1){
+ TileDef lasttile = f.tiledef[i-1];
+ while(i < 6){
+ f.tiledef[i] = lasttile;
+ i++;
+ }
+ }
+ }
+ lua_pop(L, 1);
+
+ // special_tiles = {}
+ lua_getfield(L, index, "special_tiles");
+ // If nil, try the deprecated name "special_materials" instead
+ if(lua_isnil(L, -1)){
+ lua_pop(L, 1);
+ warn_if_field_exists(L, index, "special_materials",
+ "Deprecated; new name is \"special_tiles\".");
+ lua_getfield(L, index, "special_materials");
+ }
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // Read tiledef from value
+ f.tiledef_special[i] = read_tiledef(L, -1);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
+ }
+ lua_pop(L, 1);
+
+ f.alpha = getintfield_default(L, index, "alpha", 255);
+
+ /* Other stuff */
+
+ lua_getfield(L, index, "post_effect_color");
+ if(!lua_isnil(L, -1))
+ f.post_effect_color = readARGB8(L, -1);
+ lua_pop(L, 1);
+
+ f.param_type = (ContentParamType)getenumfield(L, index, "paramtype",
+ es_ContentParamType, CPT_NONE);
+ f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2",
+ es_ContentParamType2, CPT2_NONE);
+
+ // Warn about some deprecated fields
+ warn_if_field_exists(L, index, "wall_mounted",
+ "deprecated: use paramtype2 = 'wallmounted'");
+ warn_if_field_exists(L, index, "light_propagates",
+ "deprecated: determined from paramtype");
+ warn_if_field_exists(L, index, "dug_item",
+ "deprecated: use 'drop' field");
+ warn_if_field_exists(L, index, "extra_dug_item",
+ "deprecated: use 'drop' field");
+ warn_if_field_exists(L, index, "extra_dug_item_rarity",
+ "deprecated: use 'drop' field");
+ warn_if_field_exists(L, index, "metadata_name",
+ "deprecated: use on_add and metadata callbacks");
+
+ // True for all ground-like things like stone and mud, false for eg. trees
+ getboolfield(L, index, "is_ground_content", f.is_ground_content);
+ f.light_propagates = (f.param_type == CPT_LIGHT);
+ getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates);
+ // This is used for collision detection.
+ // Also for general solidness queries.
+ getboolfield(L, index, "walkable", f.walkable);
+ // Player can point to these
+ getboolfield(L, index, "pointable", f.pointable);
+ // Player can dig these
+ getboolfield(L, index, "diggable", f.diggable);
+ // Player can climb these
+ getboolfield(L, index, "climbable", f.climbable);
+ // Player can build on these
+ getboolfield(L, index, "buildable_to", f.buildable_to);
+ // Whether the node is non-liquid, source liquid or flowing liquid
+ f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
+ es_LiquidType, LIQUID_NONE);
+ // If the content is liquid, this is the flowing version of the liquid.
+ getstringfield(L, index, "liquid_alternative_flowing",
+ f.liquid_alternative_flowing);
+ // If the content is liquid, this is the source version of the liquid.
+ getstringfield(L, index, "liquid_alternative_source",
+ f.liquid_alternative_source);
+ // Viscosity for fluid flow, ranging from 1 to 7, with
+ // 1 giving almost instantaneous propagation and 7 being
+ // the slowest possible
+ f.liquid_viscosity = getintfield_default(L, index,
+ "liquid_viscosity", f.liquid_viscosity);
+ getboolfield(L, index, "liquid_renewable", f.liquid_renewable);
+ // Amount of light the node emits
+ f.light_source = getintfield_default(L, index,
+ "light_source", f.light_source);
+ f.damage_per_second = getintfield_default(L, index,
+ "damage_per_second", f.damage_per_second);
+
+ lua_getfield(L, index, "node_box");
+ if(lua_istable(L, -1))
+ f.node_box = read_nodebox(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "selection_box");
+ if(lua_istable(L, -1))
+ f.selection_box = read_nodebox(L, -1);
+ lua_pop(L, 1);
+
+ // Set to true if paramtype used to be 'facedir_simple'
+ getboolfield(L, index, "legacy_facedir_simple", f.legacy_facedir_simple);
+ // Set to true if wall_mounted used to be set to true
+ getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted);
+
+ // Sound table
+ lua_getfield(L, index, "sounds");
+ if(lua_istable(L, -1)){
+ lua_getfield(L, -1, "footstep");
+ read_soundspec(L, -1, f.sound_footstep);
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "dig");
+ read_soundspec(L, -1, f.sound_dig);
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "dug");
+ read_soundspec(L, -1, f.sound_dug);
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
+
+ return f;
+}
diff --git a/src/scriptapi_content.h b/src/scriptapi_content.h
new file mode 100644
index 0000000000000000000000000000000000000000..801f3856e4461415d2c6d5fdf63dfed58cc90e1c
--- /dev/null
+++ b/src/scriptapi_content.h
@@ -0,0 +1,37 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_CONTENT_H_
+#define LUA_CONTENT_H_
+
+extern "C" {
+#include <lua.h>
+}
+
+#include "nodedef.h"
+
+ContentFeatures read_content_features (lua_State *L, int index);
+TileDef read_tiledef (lua_State *L, int index);
+void read_soundspec (lua_State *L, int index,
+ SimpleSoundSpec &spec);
+NodeBox read_nodebox (lua_State *L, int index);
+
+extern struct EnumString es_TileAnimationType[];
+
+#endif /* LUA_CONTENT_H_ */
diff --git a/src/scriptapi_craft.cpp b/src/scriptapi_craft.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..617bb86a30beb50ef56813fa046abb5b49f7a0f6
--- /dev/null
+++ b/src/scriptapi_craft.cpp
@@ -0,0 +1,381 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_craft.h"
+
+extern "C" {
+#include <lauxlib.h>
+}
+
+#include "script.h"
+#include "scriptapi_types.h"
+#include "scriptapi_common.h"
+#include "scriptapi_item.h"
+
+
+struct EnumString es_CraftMethod[] =
+{
+ {CRAFT_METHOD_NORMAL, "normal"},
+ {CRAFT_METHOD_COOKING, "cooking"},
+ {CRAFT_METHOD_FUEL, "fuel"},
+ {0, NULL},
+};
+
+
+// helper for register_craft
+bool read_craft_recipe_shaped(lua_State *L, int index,
+ int &width, std::vector<std::string> &recipe)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ int rowcount = 0;
+ while(lua_next(L, index) != 0){
+ int colcount = 0;
+ // key at index -2 and value at index -1
+ if(!lua_istable(L, -1))
+ return false;
+ int table2 = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table2) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_isstring(L, -1))
+ return false;
+ recipe.push_back(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ colcount++;
+ }
+ if(rowcount == 0){
+ width = colcount;
+ } else {
+ if(colcount != width)
+ return false;
+ }
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ rowcount++;
+ }
+ return width != 0;
+}
+
+// helper for register_craft
+bool read_craft_recipe_shapeless(lua_State *L, int index,
+ std::vector<std::string> &recipe)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_isstring(L, -1))
+ return false;
+ recipe.push_back(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ return true;
+}
+
+// helper for register_craft
+bool read_craft_replacements(lua_State *L, int index,
+ CraftReplacements &replacements)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_istable(L, -1))
+ return false;
+ lua_rawgeti(L, -1, 1);
+ if(!lua_isstring(L, -1))
+ return false;
+ std::string replace_from = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 2);
+ if(!lua_isstring(L, -1))
+ return false;
+ std::string replace_to = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ replacements.pairs.push_back(
+ std::make_pair(replace_from, replace_to));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ return true;
+}
+// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
+int l_register_craft(lua_State *L)
+{
+ //infostream<<"register_craft"<<std::endl;
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int table = 1;
+
+ // Get the writable craft definition manager from the server
+ IWritableCraftDefManager *craftdef =
+ get_server(L)->getWritableCraftDefManager();
+
+ std::string type = getstringfield_default(L, table, "type", "shaped");
+
+ /*
+ CraftDefinitionShaped
+ */
+ if(type == "shaped"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition is missing an output");
+
+ int width = 0;
+ std::vector<std::string> recipe;
+ lua_getfield(L, table, "recipe");
+ if(lua_isnil(L, -1))
+ throw LuaError(L, "Crafting definition is missing a recipe"
+ " (output=\"" + output + "\")");
+ if(!read_craft_recipe_shaped(L, -1, width, recipe))
+ throw LuaError(L, "Invalid crafting recipe"
+ " (output=\"" + output + "\")");
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (output=\"" + output + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionShaped(
+ output, width, recipe, replacements);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionShapeless
+ */
+ else if(type == "shapeless"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition (shapeless)"
+ " is missing an output");
+
+ std::vector<std::string> recipe;
+ lua_getfield(L, table, "recipe");
+ if(lua_isnil(L, -1))
+ throw LuaError(L, "Crafting definition (shapeless)"
+ " is missing a recipe"
+ " (output=\"" + output + "\")");
+ if(!read_craft_recipe_shapeless(L, -1, recipe))
+ throw LuaError(L, "Invalid crafting recipe"
+ " (output=\"" + output + "\")");
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (output=\"" + output + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionShapeless(
+ output, recipe, replacements);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionToolRepair
+ */
+ else if(type == "toolrepair"){
+ float additional_wear = getfloatfield_default(L, table,
+ "additional_wear", 0.0);
+
+ CraftDefinition *def = new CraftDefinitionToolRepair(
+ additional_wear);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionCooking
+ */
+ else if(type == "cooking"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition (cooking)"
+ " is missing an output");
+
+ std::string recipe = getstringfield_default(L, table, "recipe", "");
+ if(recipe == "")
+ throw LuaError(L, "Crafting definition (cooking)"
+ " is missing a recipe"
+ " (output=\"" + output + "\")");
+
+ float cooktime = getfloatfield_default(L, table, "cooktime", 3.0);
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (cooking output=\"" + output + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionCooking(
+ output, recipe, cooktime, replacements);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionFuel
+ */
+ else if(type == "fuel"){
+ std::string recipe = getstringfield_default(L, table, "recipe", "");
+ if(recipe == "")
+ throw LuaError(L, "Crafting definition (fuel)"
+ " is missing a recipe");
+
+ float burntime = getfloatfield_default(L, table, "burntime", 1.0);
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (fuel recipe=\"" + recipe + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionFuel(
+ recipe, burntime, replacements);
+ craftdef->registerCraft(def);
+ }
+ else
+ {
+ throw LuaError(L, "Unknown crafting definition type: \"" + type + "\"");
+ }
+
+ lua_pop(L, 1);
+ return 0; /* number of results */
+}
+
+// get_craft_result(input)
+int l_get_craft_result(lua_State *L)
+{
+ int input_i = 1;
+ std::string method_s = getstringfield_default(L, input_i, "method", "normal");
+ enum CraftMethod method = (CraftMethod)getenumfield(L, input_i, "method",
+ es_CraftMethod, CRAFT_METHOD_NORMAL);
+ int width = 1;
+ lua_getfield(L, input_i, "width");
+ if(lua_isnumber(L, -1))
+ width = luaL_checkinteger(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, input_i, "items");
+ std::vector<ItemStack> items = read_items(L, -1);
+ lua_pop(L, 1); // items
+
+ IGameDef *gdef = get_server(L);
+ ICraftDefManager *cdef = gdef->cdef();
+ CraftInput input(method, width, items);
+ CraftOutput output;
+ bool got = cdef->getCraftResult(input, output, true, gdef);
+ lua_newtable(L); // output table
+ if(got){
+ ItemStack item;
+ item.deSerialize(output.item, gdef->idef());
+ LuaItemStack::create(L, item);
+ lua_setfield(L, -2, "item");
+ setintfield(L, -1, "time", output.time);
+ } else {
+ LuaItemStack::create(L, ItemStack());
+ lua_setfield(L, -2, "item");
+ setintfield(L, -1, "time", 0);
+ }
+ lua_newtable(L); // decremented input table
+ lua_pushstring(L, method_s.c_str());
+ lua_setfield(L, -2, "method");
+ lua_pushinteger(L, width);
+ lua_setfield(L, -2, "width");
+ push_items(L, input.items);
+ lua_setfield(L, -2, "items");
+ return 2;
+}
+
+// get_craft_recipe(result item)
+int l_get_craft_recipe(lua_State *L)
+{
+ int k = 0;
+ char tmp[20];
+ int input_i = 1;
+ std::string o_item = luaL_checkstring(L,input_i);
+
+ IGameDef *gdef = get_server(L);
+ ICraftDefManager *cdef = gdef->cdef();
+ CraftInput input;
+ CraftOutput output(o_item,0);
+ bool got = cdef->getCraftRecipe(input, output, gdef);
+ lua_newtable(L); // output table
+ if(got){
+ lua_newtable(L);
+ for(std::vector<ItemStack>::const_iterator
+ i = input.items.begin();
+ i != input.items.end(); i++, k++)
+ {
+ if (i->empty())
+ {
+ continue;
+ }
+ sprintf(tmp,"%d",k);
+ lua_pushstring(L,tmp);
+ lua_pushstring(L,i->name.c_str());
+ lua_settable(L, -3);
+ }
+ lua_setfield(L, -2, "items");
+ setintfield(L, -1, "width", input.width);
+ switch (input.method) {
+ case CRAFT_METHOD_NORMAL:
+ lua_pushstring(L,"normal");
+ break;
+ case CRAFT_METHOD_COOKING:
+ lua_pushstring(L,"cooking");
+ break;
+ case CRAFT_METHOD_FUEL:
+ lua_pushstring(L,"fuel");
+ break;
+ default:
+ lua_pushstring(L,"unknown");
+ }
+ lua_setfield(L, -2, "type");
+ } else {
+ lua_pushnil(L);
+ lua_setfield(L, -2, "items");
+ setintfield(L, -1, "width", 0);
+ }
+ return 1;
+}
diff --git a/src/scriptapi_craft.h b/src/scriptapi_craft.h
new file mode 100644
index 0000000000000000000000000000000000000000..2e209d4aef62369183a9bc047bbfbb52e1e50618
--- /dev/null
+++ b/src/scriptapi_craft.h
@@ -0,0 +1,50 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_CRAFT_H_
+#define LUA_CRAFT_H_
+
+#include <vector>
+
+extern "C" {
+#include <lua.h>
+}
+
+#include "craftdef.h"
+
+/*****************************************************************************/
+/* Mod API */
+/*****************************************************************************/
+int l_register_craft(lua_State *L);
+int l_get_craft_recipe(lua_State *L);
+int l_get_craft_result(lua_State *L);
+
+/*****************************************************************************/
+/* scriptapi internal */
+/*****************************************************************************/
+bool read_craft_replacements(lua_State *L, int index,
+ CraftReplacements &replacements);
+bool read_craft_recipe_shapeless(lua_State *L, int index,
+ std::vector<std::string> &recipe);
+bool read_craft_recipe_shaped(lua_State *L, int index,
+ int &width, std::vector<std::string> &recipe);
+
+extern struct EnumString es_CraftMethod[];
+
+#endif /* LUA_CRAFT_H_ */
diff --git a/src/scriptapi_entity.cpp b/src/scriptapi_entity.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c15f801a633a42eb68e06bdeb00752c419c8749d
--- /dev/null
+++ b/src/scriptapi_entity.cpp
@@ -0,0 +1,293 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_entity.h"
+
+extern "C" {
+#include <lauxlib.h>
+}
+
+#include "log.h"
+#include "script.h"
+#include "scriptapi_types.h"
+#include "scriptapi_object.h"
+#include "scriptapi_common.h"
+
+
+void luaentity_get(lua_State *L, u16 id)
+{
+ // Get minetest.luaentities[i]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "luaentities");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushnumber(L, id);
+ lua_gettable(L, -2);
+ lua_remove(L, -2); // luaentities
+ lua_remove(L, -2); // minetest
+}
+
+/*
+ luaentity
+*/
+
+bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ verbosestream<<"scriptapi_luaentity_add: id="<<id<<" name=\""
+ <<name<<"\""<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_entities[name]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_entities");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushstring(L, name);
+ lua_gettable(L, -2);
+ // Should be a table, which we will use as a prototype
+ //luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_type(L, -1) != LUA_TTABLE){
+ errorstream<<"LuaEntity name \""<<name<<"\" not defined"<<std::endl;
+ return false;
+ }
+ int prototype_table = lua_gettop(L);
+ //dump2(L, "prototype_table");
+
+ // Create entity object
+ lua_newtable(L);
+ int object = lua_gettop(L);
+
+ // Set object metatable
+ lua_pushvalue(L, prototype_table);
+ lua_setmetatable(L, -2);
+
+ // Add object reference
+ // This should be userdata with metatable ObjectRef
+ objectref_get(L, id);
+ luaL_checktype(L, -1, LUA_TUSERDATA);
+ if(!luaL_checkudata(L, -1, "ObjectRef"))
+ luaL_typerror(L, -1, "ObjectRef");
+ lua_setfield(L, -2, "object");
+
+ // minetest.luaentities[id] = object
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "luaentities");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushnumber(L, id); // Push id
+ lua_pushvalue(L, object); // Copy object to top of stack
+ lua_settable(L, -3);
+
+ return true;
+}
+
+void scriptapi_luaentity_activate(lua_State *L, u16 id,
+ const std::string &staticdata, u32 dtime_s)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ verbosestream<<"scriptapi_luaentity_activate: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+
+ // Get on_activate function
+ lua_pushvalue(L, object);
+ lua_getfield(L, -1, "on_activate");
+ if(!lua_isnil(L, -1)){
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ lua_pushlstring(L, staticdata.c_str(), staticdata.size());
+ lua_pushinteger(L, dtime_s);
+ // Call with 3 arguments, 0 results
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error running function on_activate: %s\n",
+ lua_tostring(L, -1));
+ }
+}
+
+void scriptapi_luaentity_rm(lua_State *L, u16 id)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ verbosestream<<"scriptapi_luaentity_rm: id="<<id<<std::endl;
+
+ // Get minetest.luaentities table
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "luaentities");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int objectstable = lua_gettop(L);
+
+ // Set luaentities[id] = nil
+ lua_pushnumber(L, id); // Push id
+ lua_pushnil(L);
+ lua_settable(L, objectstable);
+
+ lua_pop(L, 2); // pop luaentities, minetest
+}
+
+std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+
+ // Get get_staticdata function
+ lua_pushvalue(L, object);
+ lua_getfield(L, -1, "get_staticdata");
+ if(lua_isnil(L, -1))
+ return "";
+
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ // Call with 1 arguments, 1 results
+ if(lua_pcall(L, 1, 1, 0))
+ script_error(L, "error running function get_staticdata: %s\n",
+ lua_tostring(L, -1));
+
+ size_t len=0;
+ const char *s = lua_tolstring(L, -1, &len);
+ return std::string(s, len);
+}
+
+void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
+ ObjectProperties *prop)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ //int object = lua_gettop(L);
+
+ // Set default values that differ from ObjectProperties defaults
+ prop->hp_max = 10;
+
+ /* Read stuff */
+
+ prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
+
+ getboolfield(L, -1, "physical", prop->physical);
+
+ getfloatfield(L, -1, "weight", prop->weight);
+
+ lua_getfield(L, -1, "collisionbox");
+ if(lua_istable(L, -1))
+ prop->collisionbox = read_aabb3f(L, -1, 1.0);
+ lua_pop(L, 1);
+
+ getstringfield(L, -1, "visual", prop->visual);
+
+ getstringfield(L, -1, "mesh", prop->mesh);
+
+ // Deprecated: read object properties directly
+ read_object_properties(L, -1, prop);
+
+ // Read initial_properties
+ lua_getfield(L, -1, "initial_properties");
+ read_object_properties(L, -1, prop);
+ lua_pop(L, 1);
+}
+
+void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+ // State: object is at top of stack
+ // Get step function
+ lua_getfield(L, -1, "on_step");
+ if(lua_isnil(L, -1))
+ return;
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ lua_pushnumber(L, dtime); // dtime
+ // Call with 2 arguments, 0 results
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error running function 'on_step': %s\n", lua_tostring(L, -1));
+}
+
+// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch,
+// tool_capabilities, direction)
+void scriptapi_luaentity_punch(lua_State *L, u16 id,
+ ServerActiveObject *puncher, float time_from_last_punch,
+ const ToolCapabilities *toolcap, v3f dir)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+ // State: object is at top of stack
+ // Get function
+ lua_getfield(L, -1, "on_punch");
+ if(lua_isnil(L, -1))
+ return;
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ objectref_get_or_create(L, puncher); // Clicker reference
+ lua_pushnumber(L, time_from_last_punch);
+ push_tool_capabilities(L, *toolcap);
+ push_v3f(L, dir);
+ // Call with 5 arguments, 0 results
+ if(lua_pcall(L, 5, 0, 0))
+ script_error(L, "error running function 'on_punch': %s\n", lua_tostring(L, -1));
+}
+
+// Calls entity:on_rightclick(ObjectRef clicker)
+void scriptapi_luaentity_rightclick(lua_State *L, u16 id,
+ ServerActiveObject *clicker)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+ // State: object is at top of stack
+ // Get function
+ lua_getfield(L, -1, "on_rightclick");
+ if(lua_isnil(L, -1))
+ return;
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ objectref_get_or_create(L, clicker); // Clicker reference
+ // Call with 2 arguments, 0 results
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error running function 'on_rightclick': %s\n", lua_tostring(L, -1));
+}
diff --git a/src/scriptapi_entity.h b/src/scriptapi_entity.h
new file mode 100644
index 0000000000000000000000000000000000000000..e0874325899dc846920c76f119df6715b4bf7e5a
--- /dev/null
+++ b/src/scriptapi_entity.h
@@ -0,0 +1,54 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_ENTITY_H_
+#define LUA_ENTITY_H_
+
+extern "C" {
+#include <lua.h>
+}
+
+#include "object_properties.h"
+#include "content_sao.h"
+#include "tool.h"
+
+/*****************************************************************************/
+/* scriptapi internal */
+/*****************************************************************************/
+void luaentity_get(lua_State *L, u16 id);
+
+/*****************************************************************************/
+/* Minetest interface */
+/*****************************************************************************/
+// Returns true if succesfully added into Lua; false otherwise.
+bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name);
+void scriptapi_luaentity_activate(lua_State *L, u16 id,
+ const std::string &staticdata, u32 dtime_s);
+void scriptapi_luaentity_rm(lua_State *L, u16 id);
+std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id);
+void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
+ ObjectProperties *prop);
+void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime);
+void scriptapi_luaentity_punch(lua_State *L, u16 id,
+ ServerActiveObject *puncher, float time_from_last_punch,
+ const ToolCapabilities *toolcap, v3f dir);
+void scriptapi_luaentity_rightclick(lua_State *L, u16 id,
+ ServerActiveObject *clicker);
+
+#endif /* LUA_ENTITY_H_ */
diff --git a/src/scriptapi_env.cpp b/src/scriptapi_env.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d54a6ce01a30fe0ddcae180c1bcc225382ead1cd
--- /dev/null
+++ b/src/scriptapi_env.cpp
@@ -0,0 +1,908 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_env.h"
+#include "nodedef.h"
+#include "gamedef.h"
+#include "map.h"
+#include "daynightratio.h"
+#include "content_sao.h"
+#include "script.h"
+#include "treegen.h"
+#include "util/pointedthing.h"
+#include "scriptapi_types.h"
+#include "scriptapi_noise.h"
+#include "scriptapi_nodemeta.h"
+#include "scriptapi_nodetimer.h"
+#include "scriptapi_object.h"
+#include "scriptapi_common.h"
+#include "scriptapi_item.h"
+#include "scriptapi_node.h"
+
+
+//TODO
+extern void scriptapi_run_callbacks(lua_State *L, int nargs,
+ RunCallbacksMode mode);
+
+
+class LuaABM : public ActiveBlockModifier
+{
+private:
+ lua_State *m_lua;
+ int m_id;
+
+ std::set<std::string> m_trigger_contents;
+ std::set<std::string> m_required_neighbors;
+ float m_trigger_interval;
+ u32 m_trigger_chance;
+public:
+ LuaABM(lua_State *L, int id,
+ const std::set<std::string> &trigger_contents,
+ const std::set<std::string> &required_neighbors,
+ float trigger_interval, u32 trigger_chance):
+ m_lua(L),
+ m_id(id),
+ m_trigger_contents(trigger_contents),
+ m_required_neighbors(required_neighbors),
+ m_trigger_interval(trigger_interval),
+ m_trigger_chance(trigger_chance)
+ {
+ }
+ virtual std::set<std::string> getTriggerContents()
+ {
+ return m_trigger_contents;
+ }
+ virtual std::set<std::string> getRequiredNeighbors()
+ {
+ return m_required_neighbors;
+ }
+ virtual float getTriggerInterval()
+ {
+ return m_trigger_interval;
+ }
+ virtual u32 getTriggerChance()
+ {
+ return m_trigger_chance;
+ }
+ virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
+ u32 active_object_count, u32 active_object_count_wider)
+ {
+ lua_State *L = m_lua;
+
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ // Get minetest.registered_abms[m_id]
+ lua_pushnumber(L, m_id);
+ lua_gettable(L, registered_abms);
+ if(lua_isnil(L, -1))
+ assert(0);
+
+ // Call action
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, "action");
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ push_v3s16(L, p);
+ pushnode(L, n, env->getGameDef()->ndef());
+ lua_pushnumber(L, active_object_count);
+ lua_pushnumber(L, active_object_count_wider);
+ if(lua_pcall(L, 4, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+};
+
+/*
+ EnvRef
+*/
+
+int EnvRef::gc_object(lua_State *L) {
+ EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+}
+
+EnvRef* EnvRef::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(EnvRef**)ud; // unbox pointer
+}
+
+// Exported functions
+
+// EnvRef:set_node(pos, node)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_set_node(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+ // parameters
+ v3s16 pos = read_v3s16(L, 2);
+ MapNode n = readnode(L, 3, ndef);
+ // Do it
+ bool succeeded = env->setNode(pos, n);
+ lua_pushboolean(L, succeeded);
+ return 1;
+}
+
+int EnvRef::l_add_node(lua_State *L)
+{
+ return l_set_node(L);
+}
+
+// EnvRef:remove_node(pos)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_remove_node(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+
+ // parameters
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ bool succeeded = env->removeNode(pos);
+ lua_pushboolean(L, succeeded);
+ return 1;
+}
+
+// EnvRef:get_node(pos)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_get_node(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+}
+
+// EnvRef:get_node_or_nil(pos)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_get_node_or_nil(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+}
+
+// EnvRef:get_node_light(pos, timeofday)
+// pos = {x=num, y=num, z=num}
+// timeofday: nil = current time, 0 = night, 0.5 = day
+int EnvRef::l_get_node_light(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 pos = read_v3s16(L, 2);
+ u32 time_of_day = env->getTimeOfDay();
+ if(lua_isnumber(L, 3))
+ time_of_day = 24000.0 * lua_tonumber(L, 3);
+ time_of_day %= 24000;
+ u32 dnr = time_to_daynight_ratio(time_of_day, true);
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+ lua_pushinteger(L, n.getLightBlend(dnr, ndef));
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+}
+
+// EnvRef:place_node(pos, node)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_place_node(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ v3s16 pos = read_v3s16(L, 2);
+ MapNode n = readnode(L, 3, env->getGameDef()->ndef());
+
+ // Don't attempt to load non-loaded area as of now
+ MapNode n_old = env->getMap().getNodeNoEx(pos);
+ if(n_old.getContent() == CONTENT_IGNORE){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ // Create item to place
+ INodeDefManager *ndef = get_server(L)->ndef();
+ IItemDefManager *idef = get_server(L)->idef();
+ ItemStack item(ndef->get(n).name, 1, 0, "", idef);
+ // Make pointed position
+ PointedThing pointed;
+ pointed.type = POINTEDTHING_NODE;
+ pointed.node_abovesurface = pos;
+ pointed.node_undersurface = pos + v3s16(0,-1,0);
+ // Place it with a NULL placer (appears in Lua as a non-functional
+ // ObjectRef)
+ bool success = scriptapi_item_on_place(L, item, NULL, pointed);
+ lua_pushboolean(L, success);
+ return 1;
+}
+
+// EnvRef:dig_node(pos)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_dig_node(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ v3s16 pos = read_v3s16(L, 2);
+
+ // Don't attempt to load non-loaded area as of now
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ if(n.getContent() == CONTENT_IGNORE){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ // Dig it out with a NULL digger (appears in Lua as a
+ // non-functional ObjectRef)
+ bool success = scriptapi_node_on_dig(L, pos, n, NULL);
+ lua_pushboolean(L, success);
+ return 1;
+}
+
+// EnvRef:punch_node(pos)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_punch_node(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ v3s16 pos = read_v3s16(L, 2);
+
+ // Don't attempt to load non-loaded area as of now
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ if(n.getContent() == CONTENT_IGNORE){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ // Punch it with a NULL puncher (appears in Lua as a non-functional
+ // ObjectRef)
+ bool success = scriptapi_node_on_punch(L, pos, n, NULL);
+ lua_pushboolean(L, success);
+ return 1;
+}
+
+// EnvRef:get_meta(pos)
+int EnvRef::l_get_meta(lua_State *L)
+{
+ //infostream<<"EnvRef::l_get_meta()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 p = read_v3s16(L, 2);
+ NodeMetaRef::create(L, p, env);
+ return 1;
+}
+
+// EnvRef:get_node_timer(pos)
+int EnvRef::l_get_node_timer(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 p = read_v3s16(L, 2);
+ NodeTimerRef::create(L, p, env);
+ return 1;
+}
+
+// EnvRef:add_entity(pos, entityname) -> ObjectRef or nil
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_add_entity(lua_State *L)
+{
+ //infostream<<"EnvRef::l_add_entity()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // content
+ const char *name = luaL_checkstring(L, 3);
+ // Do it
+ ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
+ int objectid = env->addActiveObject(obj);
+ // If failed to add, return nothing (reads as nil)
+ if(objectid == 0)
+ return 0;
+ // Return ObjectRef
+ objectref_get_or_create(L, obj);
+ return 1;
+}
+
+// EnvRef:add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_add_item(lua_State *L)
+{
+ //infostream<<"EnvRef::l_add_item()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // item
+ ItemStack item = read_item(L, 3);
+ if(item.empty() || !item.isKnown(get_server(L)->idef()))
+ return 0;
+ // Use minetest.spawn_item to spawn a __builtin:item
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "spawn_item");
+ if(lua_isnil(L, -1))
+ return 0;
+ lua_pushvalue(L, 2);
+ lua_pushstring(L, item.getItemString().c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return 1;
+ /*lua_pushvalue(L, 1);
+ lua_pushstring(L, "__builtin:item");
+ lua_pushstring(L, item.getItemString().c_str());
+ return l_add_entity(L);*/
+ /*// Do it
+ ServerActiveObject *obj = createItemSAO(env, pos, item.getItemString());
+ int objectid = env->addActiveObject(obj);
+ // If failed to add, return nothing (reads as nil)
+ if(objectid == 0)
+ return 0;
+ // Return ObjectRef
+ objectref_get_or_create(L, obj);
+ return 1;*/
+}
+
+// EnvRef:add_rat(pos)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_add_rat(lua_State *L)
+{
+ infostream<<"EnvRef::l_add_rat(): C++ mobs have been removed."
+ <<" Doing nothing."<<std::endl;
+ return 0;
+}
+
+// EnvRef:add_firefly(pos)
+// pos = {x=num, y=num, z=num}
+int EnvRef::l_add_firefly(lua_State *L)
+{
+ infostream<<"EnvRef::l_add_firefly(): C++ mobs have been removed."
+ <<" Doing nothing."<<std::endl;
+ return 0;
+}
+
+// EnvRef:get_player_by_name(name)
+int EnvRef::l_get_player_by_name(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ const char *name = luaL_checkstring(L, 2);
+ Player *player = env->getPlayer(name);
+ if(player == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ PlayerSAO *sao = player->getPlayerSAO();
+ if(sao == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Put player on stack
+ objectref_get_or_create(L, sao);
+ return 1;
+}
+
+// EnvRef:get_objects_inside_radius(pos, radius)
+int EnvRef::l_get_objects_inside_radius(lua_State *L)
+{
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ // Get environemnt
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3f pos = checkFloatPos(L, 2);
+ float radius = luaL_checknumber(L, 3) * BS;
+ std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(std::set<u16>::const_iterator
+ i = ids.begin(); i != ids.end(); i++){
+ ServerActiveObject *obj = env->getActiveObject(*i);
+ // Insert object reference into table
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ objectref_get_or_create(L, obj);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ return 1;
+}
+
+// EnvRef:set_timeofday(val)
+// val = 0...1
+int EnvRef::l_set_timeofday(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ float timeofday_f = luaL_checknumber(L, 2);
+ assert(timeofday_f >= 0.0 && timeofday_f <= 1.0);
+ int timeofday_mh = (int)(timeofday_f * 24000.0);
+ // This should be set directly in the environment but currently
+ // such changes aren't immediately sent to the clients, so call
+ // the server instead.
+ //env->setTimeOfDay(timeofday_mh);
+ get_server(L)->setTimeOfDay(timeofday_mh);
+ return 0;
+}
+
+// EnvRef:get_timeofday() -> 0...1
+int EnvRef::l_get_timeofday(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ int timeofday_mh = env->getTimeOfDay();
+ float timeofday_f = (float)timeofday_mh / 24000.0;
+ lua_pushnumber(L, timeofday_f);
+ return 1;
+}
+
+
+// EnvRef:find_node_near(pos, radius, nodenames) -> pos or nil
+// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+int EnvRef::l_find_node_near(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = get_server(L)->ndef();
+ v3s16 pos = read_v3s16(L, 2);
+ int radius = luaL_checkinteger(L, 3);
+ std::set<content_t> filter;
+ if(lua_istable(L, 4)){
+ int table = 4;
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ ndef->getIds(lua_tostring(L, -1), filter);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, 4)){
+ ndef->getIds(lua_tostring(L, 4), filter);
+ }
+
+ for(int d=1; d<=radius; d++){
+ core::list<v3s16> list;
+ getFacePositions(list, d);
+ for(core::list<v3s16>::Iterator i = list.begin();
+ i != list.end(); i++){
+ v3s16 p = pos + (*i);
+ content_t c = env->getMap().getNodeNoEx(p).getContent();
+ if(filter.count(c) != 0){
+ push_v3s16(L, p);
+ return 1;
+ }
+ }
+ }
+ return 0;
+}
+
+// EnvRef:find_nodes_in_area(minp, maxp, nodenames) -> list of positions
+// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+int EnvRef::l_find_nodes_in_area(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = get_server(L)->ndef();
+ v3s16 minp = read_v3s16(L, 2);
+ v3s16 maxp = read_v3s16(L, 3);
+ std::set<content_t> filter;
+ if(lua_istable(L, 4)){
+ int table = 4;
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ ndef->getIds(lua_tostring(L, -1), filter);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, 4)){
+ ndef->getIds(lua_tostring(L, 4), filter);
+ }
+
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(s16 x=minp.X; x<=maxp.X; x++)
+ for(s16 y=minp.Y; y<=maxp.Y; y++)
+ for(s16 z=minp.Z; z<=maxp.Z; z++)
+ {
+ v3s16 p(x,y,z);
+ content_t c = env->getMap().getNodeNoEx(p).getContent();
+ if(filter.count(c) != 0){
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ push_v3s16(L, p);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ }
+ return 1;
+}
+
+// EnvRef:get_perlin(seeddiff, octaves, persistence, scale)
+// returns world-specific PerlinNoise
+int EnvRef::l_get_perlin(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+
+ int seeddiff = luaL_checkint(L, 2);
+ int octaves = luaL_checkint(L, 3);
+ float persistence = luaL_checknumber(L, 4);
+ float scale = luaL_checknumber(L, 5);
+
+ LuaPerlinNoise *n = new LuaPerlinNoise(seeddiff + int(env->getServerMap().getSeed()), octaves, persistence, scale);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = n;
+ luaL_getmetatable(L, "PerlinNoise");
+ lua_setmetatable(L, -2);
+ return 1;
+}
+
+// EnvRef:get_perlin_map(noiseparams, size)
+// returns world-specific PerlinNoiseMap
+int EnvRef::l_get_perlin_map(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if (env == NULL)
+ return 0;
+
+ NoiseParams *np = read_noiseparams(L, 2);
+ if (!np)
+ return 0;
+ v3s16 size = read_v3s16(L, 3);
+
+ int seed = (int)(env->getServerMap().getSeed());
+ LuaPerlinNoiseMap *n = new LuaPerlinNoiseMap(np, seed, size);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = n;
+ luaL_getmetatable(L, "PerlinNoiseMap");
+ lua_setmetatable(L, -2);
+ return 1;
+}
+
+// EnvRef:clear_objects()
+// clear all objects in the environment
+int EnvRef::l_clear_objects(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ o->m_env->clearAllObjects();
+ return 0;
+}
+
+int EnvRef::l_spawn_tree(lua_State *L)
+{
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ v3s16 p0 = read_v3s16(L, 2);
+
+ treegen::TreeDef tree_def;
+ std::string trunk,leaves,fruit;
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+
+ if(lua_istable(L, 3))
+ {
+ getstringfield(L, 3, "axiom", tree_def.initial_axiom);
+ getstringfield(L, 3, "rules_a", tree_def.rules_a);
+ getstringfield(L, 3, "rules_b", tree_def.rules_b);
+ getstringfield(L, 3, "rules_c", tree_def.rules_c);
+ getstringfield(L, 3, "rules_d", tree_def.rules_d);
+ getstringfield(L, 3, "trunk", trunk);
+ tree_def.trunknode=ndef->getId(trunk);
+ getstringfield(L, 3, "leaves", leaves);
+ tree_def.leavesnode=ndef->getId(leaves);
+ tree_def.leaves2_chance=0;
+ getstringfield(L, 3, "leaves2", leaves);
+ if (leaves !="")
+ {
+ tree_def.leaves2node=ndef->getId(leaves);
+ getintfield(L, 3, "leaves2_chance", tree_def.leaves2_chance);
+ }
+ getintfield(L, 3, "angle", tree_def.angle);
+ getintfield(L, 3, "iterations", tree_def.iterations);
+ getintfield(L, 3, "random_level", tree_def.iterations_random_level);
+ getstringfield(L, 3, "trunk_type", tree_def.trunk_type);
+ getboolfield(L, 3, "thin_branches", tree_def.thin_branches);
+ tree_def.fruit_chance=0;
+ getstringfield(L, 3, "fruit", fruit);
+ if (fruit != "")
+ {
+ tree_def.fruitnode=ndef->getId(fruit);
+ getintfield(L, 3, "fruit_chance",tree_def.fruit_chance);
+ }
+ getintfield(L, 3, "seed", tree_def.seed);
+ }
+ else
+ return 0;
+ treegen::spawn_ltree (env, p0, ndef, tree_def);
+ return 1;
+}
+
+
+EnvRef::EnvRef(ServerEnvironment *env):
+ m_env(env)
+{
+ //infostream<<"EnvRef created"<<std::endl;
+}
+
+EnvRef::~EnvRef()
+{
+ //infostream<<"EnvRef destructing"<<std::endl;
+}
+
+// Creates an EnvRef and leaves it on top of stack
+// Not callable from Lua; all references are created on the C side.
+void EnvRef::create(lua_State *L, ServerEnvironment *env)
+{
+ EnvRef *o = new EnvRef(env);
+ //infostream<<"EnvRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+}
+
+void EnvRef::set_null(lua_State *L)
+{
+ EnvRef *o = checkobject(L, -1);
+ o->m_env = NULL;
+}
+
+void EnvRef::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+}
+
+const char EnvRef::className[] = "EnvRef";
+const luaL_reg EnvRef::methods[] = {
+ luamethod(EnvRef, set_node),
+ luamethod(EnvRef, add_node),
+ luamethod(EnvRef, remove_node),
+ luamethod(EnvRef, get_node),
+ luamethod(EnvRef, get_node_or_nil),
+ luamethod(EnvRef, get_node_light),
+ luamethod(EnvRef, place_node),
+ luamethod(EnvRef, dig_node),
+ luamethod(EnvRef, punch_node),
+ luamethod(EnvRef, add_entity),
+ luamethod(EnvRef, add_item),
+ luamethod(EnvRef, add_rat),
+ luamethod(EnvRef, add_firefly),
+ luamethod(EnvRef, get_meta),
+ luamethod(EnvRef, get_node_timer),
+ luamethod(EnvRef, get_player_by_name),
+ luamethod(EnvRef, get_objects_inside_radius),
+ luamethod(EnvRef, set_timeofday),
+ luamethod(EnvRef, get_timeofday),
+ luamethod(EnvRef, find_node_near),
+ luamethod(EnvRef, find_nodes_in_area),
+ luamethod(EnvRef, get_perlin),
+ luamethod(EnvRef, get_perlin_map),
+ luamethod(EnvRef, clear_objects),
+ luamethod(EnvRef, spawn_tree),
+ {0,0}
+};
+
+void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp,
+ u32 blockseed)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_environment_on_generated"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_generateds
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_generateds");
+ // Call callbacks
+ push_v3s16(L, minp);
+ push_v3s16(L, maxp);
+ lua_pushnumber(L, blockseed);
+ scriptapi_run_callbacks(L, 3, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void scriptapi_environment_step(lua_State *L, float dtime)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_environment_step"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_globalsteps
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_globalsteps");
+ // Call callbacks
+ lua_pushnumber(L, dtime);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ verbosestream<<"scriptapi_add_environment"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Create EnvRef on stack
+ EnvRef::create(L, env);
+ int envref = lua_gettop(L);
+
+ // minetest.env = envref
+ lua_getglobal(L, "minetest");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushvalue(L, envref);
+ lua_setfield(L, -2, "env");
+
+ // Store environment as light userdata in registry
+ lua_pushlightuserdata(L, env);
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_env");
+
+ /*
+ Add ActiveBlockModifiers to environment
+ */
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ if(lua_istable(L, registered_abms)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ int id = lua_tonumber(L, -2);
+ int current_abm = lua_gettop(L);
+
+ std::set<std::string> trigger_contents;
+ lua_getfield(L, current_abm, "nodenames");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ trigger_contents.insert(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, -1)){
+ trigger_contents.insert(lua_tostring(L, -1));
+ }
+ lua_pop(L, 1);
+
+ std::set<std::string> required_neighbors;
+ lua_getfield(L, current_abm, "neighbors");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ required_neighbors.insert(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, -1)){
+ required_neighbors.insert(lua_tostring(L, -1));
+ }
+ lua_pop(L, 1);
+
+ float trigger_interval = 10.0;
+ getfloatfield(L, current_abm, "interval", trigger_interval);
+
+ int trigger_chance = 50;
+ getintfield(L, current_abm, "chance", trigger_chance);
+
+ LuaABM *abm = new LuaABM(L, id, trigger_contents,
+ required_neighbors, trigger_interval, trigger_chance);
+
+ env->addActiveBlockModifier(abm);
+
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+}
diff --git a/src/scriptapi_env.h b/src/scriptapi_env.h
new file mode 100644
index 0000000000000000000000000000000000000000..1599969a4d18e7d31c779e723b8be6392103df07
--- /dev/null
+++ b/src/scriptapi_env.h
@@ -0,0 +1,164 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_ENVIRONMENT_H_
+#define LUA_ENVIRONMENT_H_
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+#include "environment.h"
+
+/*
+ EnvRef
+*/
+
+class EnvRef
+{
+private:
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static int gc_object(lua_State *L) ;
+
+ static EnvRef *checkobject(lua_State *L, int narg);
+
+ // Exported functions
+
+ // EnvRef:set_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_set_node(lua_State *L);
+
+ static int l_add_node(lua_State *L);
+
+ // EnvRef:remove_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_remove_node(lua_State *L);
+
+ // EnvRef:get_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node(lua_State *L);
+
+ // EnvRef:get_node_or_nil(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node_or_nil(lua_State *L);
+
+ // EnvRef:get_node_light(pos, timeofday)
+ // pos = {x=num, y=num, z=num}
+ // timeofday: nil = current time, 0 = night, 0.5 = day
+ static int l_get_node_light(lua_State *L);
+
+ // EnvRef:place_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_place_node(lua_State *L);
+
+ // EnvRef:dig_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_dig_node(lua_State *L);
+
+ // EnvRef:punch_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_punch_node(lua_State *L);
+
+ // EnvRef:get_meta(pos)
+ static int l_get_meta(lua_State *L);
+
+ // EnvRef:get_node_timer(pos)
+ static int l_get_node_timer(lua_State *L);
+
+ // EnvRef:add_entity(pos, entityname) -> ObjectRef or nil
+ // pos = {x=num, y=num, z=num}
+ static int l_add_entity(lua_State *L);
+
+ // EnvRef:add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
+ // pos = {x=num, y=num, z=num}
+ static int l_add_item(lua_State *L);
+
+ // EnvRef:add_rat(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_rat(lua_State *L);
+
+ // EnvRef:add_firefly(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_firefly(lua_State *L);
+
+ // EnvRef:get_player_by_name(name)
+ static int l_get_player_by_name(lua_State *L);
+
+ // EnvRef:get_objects_inside_radius(pos, radius)
+ static int l_get_objects_inside_radius(lua_State *L);
+
+ // EnvRef:set_timeofday(val)
+ // val = 0...1
+ static int l_set_timeofday(lua_State *L);
+
+ // EnvRef:get_timeofday() -> 0...1
+ static int l_get_timeofday(lua_State *L);
+
+ // EnvRef:find_node_near(pos, radius, nodenames) -> pos or nil
+ // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+ static int l_find_node_near(lua_State *L);
+
+ // EnvRef:find_nodes_in_area(minp, maxp, nodenames) -> list of positions
+ // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+ static int l_find_nodes_in_area(lua_State *L);
+
+ // EnvRef:get_perlin(seeddiff, octaves, persistence, scale)
+ // returns world-specific PerlinNoise
+ static int l_get_perlin(lua_State *L);
+
+ // EnvRef:get_perlin_map(noiseparams, size)
+ // returns world-specific PerlinNoiseMap
+ static int l_get_perlin_map(lua_State *L);
+
+ // EnvRef:clear_objects()
+ // clear all objects in the environment
+ static int l_clear_objects(lua_State *L);
+
+ static int l_spawn_tree(lua_State *L);
+
+public:
+ EnvRef(ServerEnvironment *env);
+
+ ~EnvRef();
+
+ // Creates an EnvRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, ServerEnvironment *env);
+
+ static void set_null(lua_State *L);
+
+ static void Register(lua_State *L);
+};
+
+/*****************************************************************************/
+/* Minetest interface */
+/*****************************************************************************/
+// On environment step
+void scriptapi_environment_step(lua_State *L, float dtime);
+// After generating a piece of map
+void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp,
+ u32 blockseed);
+void scriptapi_add_environment(lua_State *L, ServerEnvironment *env);
+
+#endif /* LUA_ENVIRONMENT_H_ */
diff --git a/src/scriptapi_inventory.cpp b/src/scriptapi_inventory.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..bb40748dbd622544b3e10fc56d6ee700dd019f4e
--- /dev/null
+++ b/src/scriptapi_inventory.cpp
@@ -0,0 +1,726 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_inventory.h"
+#include "server.h"
+#include "script.h"
+#include "log.h"
+#include "scriptapi_types.h"
+#include "scriptapi_common.h"
+#include "scriptapi_inventory.h"
+#include "scriptapi_item.h"
+#include "scriptapi_object.h"
+
+
+/*
+ InvRef
+*/
+InvRef* InvRef::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(InvRef**)ud; // unbox pointer
+}
+
+Inventory* InvRef::getinv(lua_State *L, InvRef *ref)
+{
+ return get_server(L)->getInventory(ref->m_loc);
+}
+
+InventoryList* InvRef::getlist(lua_State *L, InvRef *ref,
+ const char *listname)
+{
+ Inventory *inv = getinv(L, ref);
+ if(!inv)
+ return NULL;
+ return inv->getList(listname);
+}
+
+void InvRef::reportInventoryChange(lua_State *L, InvRef *ref)
+{
+ // Inform other things that the inventory has changed
+ get_server(L)->setInventoryModified(ref->m_loc);
+}
+
+// Exported functions
+
+// garbage collector
+int InvRef::gc_object(lua_State *L) {
+ InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+}
+
+// is_empty(self, listname) -> true/false
+int InvRef::l_is_empty(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list && list->getUsedSlots() > 0){
+ lua_pushboolean(L, false);
+ } else {
+ lua_pushboolean(L, true);
+ }
+ return 1;
+}
+
+// get_size(self, listname)
+int InvRef::l_get_size(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushinteger(L, list->getSize());
+ } else {
+ lua_pushinteger(L, 0);
+ }
+ return 1;
+}
+
+// get_width(self, listname)
+int InvRef::l_get_width(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushinteger(L, list->getWidth());
+ } else {
+ lua_pushinteger(L, 0);
+ }
+ return 1;
+}
+
+// set_size(self, listname, size)
+int InvRef::l_set_size(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int newsize = luaL_checknumber(L, 3);
+ Inventory *inv = getinv(L, ref);
+ if(newsize == 0){
+ inv->deleteList(listname);
+ reportInventoryChange(L, ref);
+ return 0;
+ }
+ InventoryList *list = inv->getList(listname);
+ if(list){
+ list->setSize(newsize);
+ } else {
+ list = inv->addList(listname, newsize);
+ }
+ reportInventoryChange(L, ref);
+ return 0;
+}
+
+// set_width(self, listname, size)
+int InvRef::l_set_width(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int newwidth = luaL_checknumber(L, 3);
+ Inventory *inv = getinv(L, ref);
+ InventoryList *list = inv->getList(listname);
+ if(list){
+ list->setWidth(newwidth);
+ } else {
+ return 0;
+ }
+ reportInventoryChange(L, ref);
+ return 0;
+}
+
+// get_stack(self, listname, i) -> itemstack
+int InvRef::l_get_stack(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3) - 1;
+ InventoryList *list = getlist(L, ref, listname);
+ ItemStack item;
+ if(list != NULL && i >= 0 && i < (int) list->getSize())
+ item = list->getItem(i);
+ LuaItemStack::create(L, item);
+ return 1;
+}
+
+// set_stack(self, listname, i, stack) -> true/false
+int InvRef::l_set_stack(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3) - 1;
+ ItemStack newitem = read_item(L, 4);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list != NULL && i >= 0 && i < (int) list->getSize()){
+ list->changeItem(i, newitem);
+ reportInventoryChange(L, ref);
+ lua_pushboolean(L, true);
+ } else {
+ lua_pushboolean(L, false);
+ }
+ return 1;
+}
+
+// get_list(self, listname) -> list or nil
+int InvRef::l_get_list(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ Inventory *inv = getinv(L, ref);
+ inventory_get_list_to_lua(inv, listname, L);
+ return 1;
+}
+
+// set_list(self, listname, list)
+int InvRef::l_set_list(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ Inventory *inv = getinv(L, ref);
+ InventoryList *list = inv->getList(listname);
+ if(list)
+ inventory_set_list_from_lua(inv, listname, L, 3,
+ list->getSize());
+ else
+ inventory_set_list_from_lua(inv, listname, L, 3);
+ reportInventoryChange(L, ref);
+ return 0;
+}
+
+// add_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
+// Returns the leftover stack
+int InvRef::l_add_item(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ ItemStack leftover = list->addItem(item);
+ if(leftover.count != item.count)
+ reportInventoryChange(L, ref);
+ LuaItemStack::create(L, leftover);
+ } else {
+ LuaItemStack::create(L, item);
+ }
+ return 1;
+}
+
+// room_for_item(self, listname, itemstack or itemstring or table or nil) -> true/false
+// Returns true if the item completely fits into the list
+int InvRef::l_room_for_item(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushboolean(L, list->roomForItem(item));
+ } else {
+ lua_pushboolean(L, false);
+ }
+ return 1;
+}
+
+// contains_item(self, listname, itemstack or itemstring or table or nil) -> true/false
+// Returns true if the list contains the given count of the given item name
+int InvRef::l_contains_item(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushboolean(L, list->containsItem(item));
+ } else {
+ lua_pushboolean(L, false);
+ }
+ return 1;
+}
+
+// remove_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
+// Returns the items that were actually removed
+int InvRef::l_remove_item(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ ItemStack removed = list->removeItem(item);
+ if(!removed.empty())
+ reportInventoryChange(L, ref);
+ LuaItemStack::create(L, removed);
+ } else {
+ LuaItemStack::create(L, ItemStack());
+ }
+ return 1;
+}
+
+// get_location() -> location (like minetest.get_inventory(location))
+int InvRef::l_get_location(lua_State *L)
+{
+ InvRef *ref = checkobject(L, 1);
+ const InventoryLocation &loc = ref->m_loc;
+ switch(loc.type){
+ case InventoryLocation::PLAYER:
+ lua_newtable(L);
+ lua_pushstring(L, "player");
+ lua_setfield(L, -2, "type");
+ lua_pushstring(L, loc.name.c_str());
+ lua_setfield(L, -2, "name");
+ return 1;
+ case InventoryLocation::NODEMETA:
+ lua_newtable(L);
+ lua_pushstring(L, "nodemeta");
+ lua_setfield(L, -2, "type");
+ push_v3s16(L, loc.p);
+ lua_setfield(L, -2, "name");
+ return 1;
+ case InventoryLocation::DETACHED:
+ lua_newtable(L);
+ lua_pushstring(L, "detached");
+ lua_setfield(L, -2, "type");
+ lua_pushstring(L, loc.name.c_str());
+ lua_setfield(L, -2, "name");
+ return 1;
+ case InventoryLocation::UNDEFINED:
+ case InventoryLocation::CURRENT_PLAYER:
+ break;
+ }
+ lua_newtable(L);
+ lua_pushstring(L, "undefined");
+ lua_setfield(L, -2, "type");
+ return 1;
+}
+
+
+InvRef::InvRef(const InventoryLocation &loc):
+ m_loc(loc)
+{
+}
+
+InvRef::~InvRef()
+{
+}
+
+// Creates an InvRef and leaves it on top of stack
+// Not callable from Lua; all references are created on the C side.
+void InvRef::create(lua_State *L, const InventoryLocation &loc)
+{
+ InvRef *o = new InvRef(loc);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+}
+void InvRef::createPlayer(lua_State *L, Player *player)
+{
+ InventoryLocation loc;
+ loc.setPlayer(player->getName());
+ create(L, loc);
+}
+void InvRef::createNodeMeta(lua_State *L, v3s16 p)
+{
+ InventoryLocation loc;
+ loc.setNodeMeta(p);
+ create(L, loc);
+}
+
+void InvRef::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+}
+
+const char InvRef::className[] = "InvRef";
+const luaL_reg InvRef::methods[] = {
+ luamethod(InvRef, is_empty),
+ luamethod(InvRef, get_size),
+ luamethod(InvRef, set_size),
+ luamethod(InvRef, get_width),
+ luamethod(InvRef, set_width),
+ luamethod(InvRef, get_stack),
+ luamethod(InvRef, set_stack),
+ luamethod(InvRef, get_list),
+ luamethod(InvRef, set_list),
+ luamethod(InvRef, add_item),
+ luamethod(InvRef, room_for_item),
+ luamethod(InvRef, contains_item),
+ luamethod(InvRef, remove_item),
+ luamethod(InvRef, get_location),
+ {0,0}
+};
+
+void inventory_get_list_to_lua(Inventory *inv, const char *name,
+ lua_State *L)
+{
+ InventoryList *invlist = inv->getList(name);
+ if(invlist == NULL){
+ lua_pushnil(L);
+ return;
+ }
+ std::vector<ItemStack> items;
+ for(u32 i=0; i<invlist->getSize(); i++)
+ items.push_back(invlist->getItem(i));
+ push_items(L, items);
+}
+
+void inventory_set_list_from_lua(Inventory *inv, const char *name,
+ lua_State *L, int tableindex, int forcesize)
+{
+ if(tableindex < 0)
+ tableindex = lua_gettop(L) + 1 + tableindex;
+ // If nil, delete list
+ if(lua_isnil(L, tableindex)){
+ inv->deleteList(name);
+ return;
+ }
+ // Otherwise set list
+ std::vector<ItemStack> items = read_items(L, tableindex);
+ int listsize = (forcesize != -1) ? forcesize : items.size();
+ InventoryList *invlist = inv->addList(name, listsize);
+ int index = 0;
+ for(std::vector<ItemStack>::const_iterator
+ i = items.begin(); i != items.end(); i++){
+ if(forcesize != -1 && index == forcesize)
+ break;
+ invlist->changeItem(index, *i);
+ index++;
+ }
+ while(forcesize != -1 && index < forcesize){
+ invlist->deleteItem(index);
+ index++;
+ }
+}
+
+// get_inventory(location)
+int l_get_inventory(lua_State *L)
+{
+ InventoryLocation loc;
+
+ std::string type = checkstringfield(L, 1, "type");
+ if(type == "player"){
+ std::string name = checkstringfield(L, 1, "name");
+ loc.setPlayer(name);
+ } else if(type == "node"){
+ lua_getfield(L, 1, "pos");
+ v3s16 pos = check_v3s16(L, -1);
+ loc.setNodeMeta(pos);
+ } else if(type == "detached"){
+ std::string name = checkstringfield(L, 1, "name");
+ loc.setDetached(name);
+ }
+
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L);
+ return 1;
+}
+
+/*
+ Detached inventory callbacks
+*/
+
+// Retrieves minetest.detached_inventories[name][callbackname]
+// If that is nil or on error, return false and stack is unchanged
+// If that is a function, returns true and pushes the
+// function onto the stack
+static bool get_detached_inventory_callback(lua_State *L,
+ const std::string &name, const char *callbackname)
+{
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "detached_inventories");
+ lua_remove(L, -2);
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, name.c_str());
+ lua_remove(L, -2);
+ // Should be a table
+ if(lua_type(L, -1) != LUA_TTABLE)
+ {
+ errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+ lua_getfield(L, -1, callbackname);
+ lua_remove(L, -2);
+ // Should be a function or nil
+ if(lua_type(L, -1) == LUA_TFUNCTION)
+ {
+ return true;
+ }
+ else if(lua_isnil(L, -1))
+ {
+ lua_pop(L, 1);
+ return false;
+ }
+ else
+ {
+ errorstream<<"Detached inventory \""<<name<<"\" callback \""
+ <<callbackname<<"\" is not a function"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+}
+
+// Return number of accepted items to be moved
+int scriptapi_detached_inventory_allow_move(lua_State *L,
+ const std::string &name,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_detached_inventory_callback(L, name, "allow_move"))
+ return count;
+
+ // function(inv, from_list, from_index, to_list, to_index, count, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 7, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_move should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be put
+int scriptapi_detached_inventory_allow_put(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_detached_inventory_callback(L, name, "allow_put"))
+ return stack.count; // All will be accepted
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_put should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be taken
+int scriptapi_detached_inventory_allow_take(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_detached_inventory_callback(L, name, "allow_take"))
+ return stack.count; // All will be accepted
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_take should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Report moved items
+void scriptapi_detached_inventory_on_move(lua_State *L,
+ const std::string &name,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_detached_inventory_callback(L, name, "on_move"))
+ return;
+
+ // function(inv, from_list, from_index, to_list, to_index, count, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 7, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// Report put items
+void scriptapi_detached_inventory_on_put(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_detached_inventory_callback(L, name, "on_put"))
+ return;
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// Report taken items
+void scriptapi_detached_inventory_on_take(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_detached_inventory_callback(L, name, "on_take"))
+ return;
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// create_detached_inventory_raw(name)
+int l_create_detached_inventory_raw(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ if(get_server(L)->createDetachedInventory(name) != NULL){
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ }else{
+ lua_pushnil(L);
+ }
+ return 1;
+}
diff --git a/src/scriptapi_inventory.h b/src/scriptapi_inventory.h
new file mode 100644
index 0000000000000000000000000000000000000000..02900735281b8b0b7ad1c03a4c49eceeaa233f62
--- /dev/null
+++ b/src/scriptapi_inventory.h
@@ -0,0 +1,167 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_INVENTORY_H_
+#define LUA_INVENTORY_H_
+
+#include <irr_v3d.h>
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+#include "inventorymanager.h"
+#include "player.h"
+#include "serverobject.h"
+#include "inventory.h"
+
+/*
+ InvRef
+*/
+
+class InvRef
+{
+private:
+ InventoryLocation m_loc;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static InvRef *checkobject(lua_State *L, int narg);
+
+ static Inventory* getinv(lua_State *L, InvRef *ref);
+
+ static InventoryList* getlist(lua_State *L, InvRef *ref,
+ const char *listname);
+
+ static void reportInventoryChange(lua_State *L, InvRef *ref);
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L);
+
+ // is_empty(self, listname) -> true/false
+ static int l_is_empty(lua_State *L);
+
+ // get_size(self, listname)
+ static int l_get_size(lua_State *L);
+
+ // get_width(self, listname)
+ static int l_get_width(lua_State *L);
+
+ // set_size(self, listname, size)
+ static int l_set_size(lua_State *L);
+
+ // set_width(self, listname, size)
+ static int l_set_width(lua_State *L);
+
+ // get_stack(self, listname, i) -> itemstack
+ static int l_get_stack(lua_State *L);
+
+ // set_stack(self, listname, i, stack) -> true/false
+ static int l_set_stack(lua_State *L);
+
+ // get_list(self, listname) -> list or nil
+ static int l_get_list(lua_State *L);
+
+ // set_list(self, listname, list)
+ static int l_set_list(lua_State *L);
+
+ // add_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
+ // Returns the leftover stack
+ static int l_add_item(lua_State *L);
+
+ // room_for_item(self, listname, itemstack or itemstring or table or nil) -> true/false
+ // Returns true if the item completely fits into the list
+ static int l_room_for_item(lua_State *L);
+
+ // contains_item(self, listname, itemstack or itemstring or table or nil) -> true/false
+ // Returns true if the list contains the given count of the given item name
+ static int l_contains_item(lua_State *L);
+
+ // remove_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
+ // Returns the items that were actually removed
+ static int l_remove_item(lua_State *L);
+
+ // get_location() -> location (like minetest.get_inventory(location))
+ static int l_get_location(lua_State *L);
+
+public:
+ InvRef(const InventoryLocation &loc);
+
+ ~InvRef();
+
+ // Creates an InvRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, const InventoryLocation &loc);
+ static void createPlayer(lua_State *L, Player *player);
+ static void createNodeMeta(lua_State *L, v3s16 p);
+ static void Register(lua_State *L);
+};
+
+void inventory_get_list_to_lua(Inventory *inv, const char *name,lua_State *L);
+void inventory_set_list_from_lua(Inventory *inv, const char *name,
+ lua_State *L, int tableindex, int forcesize=-1);
+
+/*****************************************************************************/
+/* Minetest interface */
+/*****************************************************************************/
+/* Detached inventory callbacks */
+// Return number of accepted items to be moved
+int scriptapi_detached_inventory_allow_move(lua_State *L,
+ const std::string &name,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player);
+// Return number of accepted items to be put
+int scriptapi_detached_inventory_allow_put(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player);
+// Return number of accepted items to be taken
+int scriptapi_detached_inventory_allow_take(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player);
+// Report moved items
+void scriptapi_detached_inventory_on_move(lua_State *L,
+ const std::string &name,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player);
+// Report put items
+void scriptapi_detached_inventory_on_put(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player);
+// Report taken items
+void scriptapi_detached_inventory_on_take(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player);
+
+/*****************************************************************************/
+/* Mod API */
+/*****************************************************************************/
+int l_create_detached_inventory_raw(lua_State *L);
+int l_get_inventory(lua_State *L);
+
+#endif /* LUA_INVENTORY_H_ */
diff --git a/src/scriptapi_item.cpp b/src/scriptapi_item.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..204939f8f52fc6af6201a5e6995553f111f9ab3b
--- /dev/null
+++ b/src/scriptapi_item.cpp
@@ -0,0 +1,710 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "server.h"
+#include "script.h"
+#include "tool.h"
+#include "nodedef.h"
+#include "util/pointedthing.h"
+#include "scriptapi_item.h"
+#include "scriptapi_types.h"
+#include "scriptapi_common.h"
+#include "scriptapi_object.h"
+#include "scriptapi_content.h"
+
+
+struct EnumString es_ItemType[] =
+{
+ {ITEM_NONE, "none"},
+ {ITEM_NODE, "node"},
+ {ITEM_CRAFT, "craft"},
+ {ITEM_TOOL, "tool"},
+ {0, NULL},
+};
+
+
+/*
+ ItemDefinition
+*/
+
+ItemDefinition read_item_definition(lua_State *L, int index,
+ ItemDefinition default_def)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ // Read the item definition
+ ItemDefinition def = default_def;
+
+ def.type = (ItemType)getenumfield(L, index, "type",
+ es_ItemType, ITEM_NONE);
+ getstringfield(L, index, "name", def.name);
+ getstringfield(L, index, "description", def.description);
+ getstringfield(L, index, "inventory_image", def.inventory_image);
+ getstringfield(L, index, "wield_image", def.wield_image);
+
+ lua_getfield(L, index, "wield_scale");
+ if(lua_istable(L, -1)){
+ def.wield_scale = check_v3f(L, -1);
+ }
+ lua_pop(L, 1);
+
+ def.stack_max = getintfield_default(L, index, "stack_max", def.stack_max);
+ if(def.stack_max == 0)
+ def.stack_max = 1;
+
+ lua_getfield(L, index, "on_use");
+ def.usable = lua_isfunction(L, -1);
+ lua_pop(L, 1);
+
+ getboolfield(L, index, "liquids_pointable", def.liquids_pointable);
+
+ warn_if_field_exists(L, index, "tool_digging_properties",
+ "deprecated: use tool_capabilities");
+
+ lua_getfield(L, index, "tool_capabilities");
+ if(lua_istable(L, -1)){
+ def.tool_capabilities = new ToolCapabilities(
+ read_tool_capabilities(L, -1));
+ }
+
+ // If name is "" (hand), ensure there are ToolCapabilities
+ // because it will be looked up there whenever any other item has
+ // no ToolCapabilities
+ if(def.name == "" && def.tool_capabilities == NULL){
+ def.tool_capabilities = new ToolCapabilities();
+ }
+
+ lua_getfield(L, index, "groups");
+ read_groups(L, -1, def.groups);
+ lua_pop(L, 1);
+
+ // Client shall immediately place this node when player places the item.
+ // Server will update the precise end result a moment later.
+ // "" = no prediction
+ getstringfield(L, index, "node_placement_prediction",
+ def.node_placement_prediction);
+
+ return def;
+}
+
+// register_item_raw({lots of stuff})
+int l_register_item_raw(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int table = 1;
+
+ // Get the writable item and node definition managers from the server
+ IWritableItemDefManager *idef =
+ get_server(L)->getWritableItemDefManager();
+ IWritableNodeDefManager *ndef =
+ get_server(L)->getWritableNodeDefManager();
+
+ // Check if name is defined
+ std::string name;
+ lua_getfield(L, table, "name");
+ if(lua_isstring(L, -1)){
+ name = lua_tostring(L, -1);
+ verbosestream<<"register_item_raw: "<<name<<std::endl;
+ } else {
+ throw LuaError(L, "register_item_raw: name is not defined or not a string");
+ }
+
+ // Check if on_use is defined
+
+ ItemDefinition def;
+ // Set a distinctive default value to check if this is set
+ def.node_placement_prediction = "__default";
+
+ // Read the item definition
+ def = read_item_definition(L, table, def);
+
+ // Default to having client-side placement prediction for nodes
+ // ("" in item definition sets it off)
+ if(def.node_placement_prediction == "__default"){
+ if(def.type == ITEM_NODE)
+ def.node_placement_prediction = name;
+ else
+ def.node_placement_prediction = "";
+ }
+
+ // Register item definition
+ idef->registerItem(def);
+
+ // Read the node definition (content features) and register it
+ if(def.type == ITEM_NODE)
+ {
+ ContentFeatures f = read_content_features(L, table);
+ ndef->set(f.name, f);
+ }
+
+ return 0; /* number of results */
+}
+
+// register_alias_raw(name, convert_to_name)
+int l_register_alias_raw(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get the writable item definition manager from the server
+ IWritableItemDefManager *idef =
+ get_server(L)->getWritableItemDefManager();
+
+ idef->registerAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// Retrieves minetest.registered_items[name][callbackname]
+// If that is nil or on error, return false and stack is unchanged
+// If that is a function, returns true and pushes the
+// function onto the stack
+// If minetest.registered_items[name] doesn't exist, minetest.nodedef_default
+// is tried instead so unknown items can still be manipulated to some degree
+bool get_item_callback(lua_State *L,
+ const char *name, const char *callbackname)
+{
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_items");
+ lua_remove(L, -2);
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, name);
+ lua_remove(L, -2);
+ // Should be a table
+ if(lua_type(L, -1) != LUA_TTABLE)
+ {
+ // Report error and clean up
+ errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
+ lua_pop(L, 1);
+
+ // Try minetest.nodedef_default instead
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "nodedef_default");
+ lua_remove(L, -2);
+ luaL_checktype(L, -1, LUA_TTABLE);
+ }
+ lua_getfield(L, -1, callbackname);
+ lua_remove(L, -2);
+ // Should be a function or nil
+ if(lua_type(L, -1) == LUA_TFUNCTION)
+ {
+ return true;
+ }
+ else if(lua_isnil(L, -1))
+ {
+ lua_pop(L, 1);
+ return false;
+ }
+ else
+ {
+ errorstream<<"Item \""<<name<<"\" callback \""
+ <<callbackname<<" is not a function"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+}
+
+bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
+ ServerActiveObject *dropper, v3f pos)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_drop"))
+ return false;
+
+ // Call function
+ LuaItemStack::create(L, item);
+ objectref_get_or_create(L, dropper);
+ pushFloatPos(L, pos);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
+}
+
+bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
+ ServerActiveObject *placer, const PointedThing &pointed)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_place"))
+ return false;
+
+ // Call function
+ LuaItemStack::create(L, item);
+ objectref_get_or_create(L, placer);
+ push_pointed_thing(L, pointed);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
+}
+
+bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
+ ServerActiveObject *user, const PointedThing &pointed)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_use"))
+ return false;
+
+ // Call function
+ LuaItemStack::create(L, item);
+ objectref_get_or_create(L, user);
+ push_pointed_thing(L, pointed);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
+}
+
+// garbage collector
+int LuaItemStack::gc_object(lua_State *L)
+{
+ LuaItemStack *o = *(LuaItemStack **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+}
+
+// is_empty(self) -> true/false
+int LuaItemStack::l_is_empty(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushboolean(L, item.empty());
+ return 1;
+}
+
+// get_name(self) -> string
+int LuaItemStack::l_get_name(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushstring(L, item.name.c_str());
+ return 1;
+}
+
+// get_count(self) -> number
+int LuaItemStack::l_get_count(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.count);
+ return 1;
+}
+
+// get_wear(self) -> number
+int LuaItemStack::l_get_wear(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.wear);
+ return 1;
+}
+
+// get_metadata(self) -> string
+int LuaItemStack::l_get_metadata(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushlstring(L, item.metadata.c_str(), item.metadata.size());
+ return 1;
+}
+
+// clear(self) -> true
+int LuaItemStack::l_clear(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ o->m_stack.clear();
+ lua_pushboolean(L, true);
+ return 1;
+}
+
+// replace(self, itemstack or itemstring or table or nil) -> true
+int LuaItemStack::l_replace(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ o->m_stack = read_item(L, 2);
+ lua_pushboolean(L, true);
+ return 1;
+}
+
+// to_string(self) -> string
+int LuaItemStack::l_to_string(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ std::string itemstring = o->m_stack.getItemString();
+ lua_pushstring(L, itemstring.c_str());
+ return 1;
+}
+
+// to_table(self) -> table or nil
+int LuaItemStack::l_to_table(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ const ItemStack &item = o->m_stack;
+ if(item.empty())
+ {
+ lua_pushnil(L);
+ }
+ else
+ {
+ lua_newtable(L);
+ lua_pushstring(L, item.name.c_str());
+ lua_setfield(L, -2, "name");
+ lua_pushinteger(L, item.count);
+ lua_setfield(L, -2, "count");
+ lua_pushinteger(L, item.wear);
+ lua_setfield(L, -2, "wear");
+ lua_pushlstring(L, item.metadata.c_str(), item.metadata.size());
+ lua_setfield(L, -2, "metadata");
+ }
+ return 1;
+}
+
+// get_stack_max(self) -> number
+int LuaItemStack::l_get_stack_max(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.getStackMax(get_server(L)->idef()));
+ return 1;
+}
+
+// get_free_space(self) -> number
+int LuaItemStack::l_get_free_space(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.freeSpace(get_server(L)->idef()));
+ return 1;
+}
+
+// is_known(self) -> true/false
+// Checks if the item is defined.
+int LuaItemStack::l_is_known(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ bool is_known = item.isKnown(get_server(L)->idef());
+ lua_pushboolean(L, is_known);
+ return 1;
+}
+
+// get_definition(self) -> table
+// Returns the item definition table from minetest.registered_items,
+// or a fallback one (name="unknown")
+int LuaItemStack::l_get_definition(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+
+ // Get minetest.registered_items[name]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_items");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, item.name.c_str());
+ if(lua_isnil(L, -1))
+ {
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "unknown");
+ }
+ return 1;
+}
+
+// get_tool_capabilities(self) -> table
+// Returns the effective tool digging properties.
+// Returns those of the hand ("") if this item has none associated.
+int LuaItemStack::l_get_tool_capabilities(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ const ToolCapabilities &prop =
+ item.getToolCapabilities(get_server(L)->idef());
+ push_tool_capabilities(L, prop);
+ return 1;
+}
+
+// add_wear(self, amount) -> true/false
+// The range for "amount" is [0,65535]. Wear is only added if the item
+// is a tool. Adding wear might destroy the item.
+// Returns true if the item is (or was) a tool.
+int LuaItemStack::l_add_wear(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ int amount = lua_tointeger(L, 2);
+ bool result = item.addWear(amount, get_server(L)->idef());
+ lua_pushboolean(L, result);
+ return 1;
+}
+
+// add_item(self, itemstack or itemstring or table or nil) -> itemstack
+// Returns leftover item stack
+int LuaItemStack::l_add_item(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ ItemStack newitem = read_item(L, 2);
+ ItemStack leftover = item.addItem(newitem, get_server(L)->idef());
+ create(L, leftover);
+ return 1;
+}
+
+// item_fits(self, itemstack or itemstring or table or nil) -> true/false, itemstack
+// First return value is true iff the new item fits fully into the stack
+// Second return value is the would-be-left-over item stack
+int LuaItemStack::l_item_fits(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ ItemStack newitem = read_item(L, 2);
+ ItemStack restitem;
+ bool fits = item.itemFits(newitem, &restitem, get_server(L)->idef());
+ lua_pushboolean(L, fits); // first return value
+ create(L, restitem); // second return value
+ return 2;
+}
+
+// take_item(self, takecount=1) -> itemstack
+int LuaItemStack::l_take_item(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ u32 takecount = 1;
+ if(!lua_isnone(L, 2))
+ takecount = luaL_checkinteger(L, 2);
+ ItemStack taken = item.takeItem(takecount);
+ create(L, taken);
+ return 1;
+}
+
+// peek_item(self, peekcount=1) -> itemstack
+int LuaItemStack::l_peek_item(lua_State *L)
+{
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ u32 peekcount = 1;
+ if(!lua_isnone(L, 2))
+ peekcount = lua_tointeger(L, 2);
+ ItemStack peekaboo = item.peekItem(peekcount);
+ create(L, peekaboo);
+ return 1;
+}
+
+LuaItemStack::LuaItemStack(const ItemStack &item):
+ m_stack(item)
+{
+}
+
+LuaItemStack::~LuaItemStack()
+{
+}
+
+const ItemStack& LuaItemStack::getItem() const
+{
+ return m_stack;
+}
+ItemStack& LuaItemStack::getItem()
+{
+ return m_stack;
+}
+
+// LuaItemStack(itemstack or itemstring or table or nil)
+// Creates an LuaItemStack and leaves it on top of stack
+int LuaItemStack::create_object(lua_State *L)
+{
+ ItemStack item = read_item(L, 1);
+ LuaItemStack *o = new LuaItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+}
+// Not callable from Lua
+int LuaItemStack::create(lua_State *L, const ItemStack &item)
+{
+ LuaItemStack *o = new LuaItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+}
+
+LuaItemStack* LuaItemStack::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(LuaItemStack**)ud; // unbox pointer
+}
+
+void LuaItemStack::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Can be created from Lua (LuaItemStack(itemstack or itemstring or table or nil))
+ lua_register(L, className, create_object);
+}
+
+const char LuaItemStack::className[] = "ItemStack";
+const luaL_reg LuaItemStack::methods[] = {
+ luamethod(LuaItemStack, is_empty),
+ luamethod(LuaItemStack, get_name),
+ luamethod(LuaItemStack, get_count),
+ luamethod(LuaItemStack, get_wear),
+ luamethod(LuaItemStack, get_metadata),
+ luamethod(LuaItemStack, clear),
+ luamethod(LuaItemStack, replace),
+ luamethod(LuaItemStack, to_string),
+ luamethod(LuaItemStack, to_table),
+ luamethod(LuaItemStack, get_stack_max),
+ luamethod(LuaItemStack, get_free_space),
+ luamethod(LuaItemStack, is_known),
+ luamethod(LuaItemStack, get_definition),
+ luamethod(LuaItemStack, get_tool_capabilities),
+ luamethod(LuaItemStack, add_wear),
+ luamethod(LuaItemStack, add_item),
+ luamethod(LuaItemStack, item_fits),
+ luamethod(LuaItemStack, take_item),
+ luamethod(LuaItemStack, peek_item),
+ {0,0}
+};
+
+ItemStack read_item(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(lua_isnil(L, index))
+ {
+ return ItemStack();
+ }
+ else if(lua_isuserdata(L, index))
+ {
+ // Convert from LuaItemStack
+ LuaItemStack *o = LuaItemStack::checkobject(L, index);
+ return o->getItem();
+ }
+ else if(lua_isstring(L, index))
+ {
+ // Convert from itemstring
+ std::string itemstring = lua_tostring(L, index);
+ IItemDefManager *idef = get_server(L)->idef();
+ try
+ {
+ ItemStack item;
+ item.deSerialize(itemstring, idef);
+ return item;
+ }
+ catch(SerializationError &e)
+ {
+ infostream<<"WARNING: unable to create item from itemstring"
+ <<": "<<itemstring<<std::endl;
+ return ItemStack();
+ }
+ }
+ else if(lua_istable(L, index))
+ {
+ // Convert from table
+ IItemDefManager *idef = get_server(L)->idef();
+ std::string name = getstringfield_default(L, index, "name", "");
+ int count = getintfield_default(L, index, "count", 1);
+ int wear = getintfield_default(L, index, "wear", 0);
+ std::string metadata = getstringfield_default(L, index, "metadata", "");
+ return ItemStack(name, count, wear, metadata, idef);
+ }
+ else
+ {
+ throw LuaError(L, "Expecting itemstack, itemstring, table or nil");
+ }
+}
+
+std::vector<ItemStack> read_items(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ std::vector<ItemStack> items;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_pushnil(L);
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ items.push_back(read_item(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ return items;
+}
+
+// creates a table of ItemStacks
+void push_items(lua_State *L, const std::vector<ItemStack> &items)
+{
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ // Create and fill table
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(u32 i=0; i<items.size(); i++){
+ ItemStack item = items[i];
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ LuaItemStack::create(L, item);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ lua_remove(L, -2); // Remove table
+ lua_remove(L, -2); // Remove insert
+}
diff --git a/src/scriptapi_item.h b/src/scriptapi_item.h
new file mode 100644
index 0000000000000000000000000000000000000000..38d64a2cc340cfba0fc5af0ed583a76a846c7e41
--- /dev/null
+++ b/src/scriptapi_item.h
@@ -0,0 +1,167 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_ITEM_H_
+#define LUA_ITEM_H_
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+#include <irr_v3d.h>
+#include <vector>
+
+#include "itemdef.h"
+#include "content_sao.h"
+#include "util/pointedthing.h"
+#include "inventory.h"
+
+#include "inventory.h"
+
+ItemStack read_item(lua_State *L, int index);
+std::vector<ItemStack> read_items(lua_State *L, int index);
+void push_items(lua_State *L, const std::vector<ItemStack> &items);
+
+class LuaItemStack
+{
+private:
+ ItemStack m_stack;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L);
+
+ // is_empty(self) -> true/false
+ static int l_is_empty(lua_State *L);
+
+ // get_name(self) -> string
+ static int l_get_name(lua_State *L);
+
+ // get_count(self) -> number
+ static int l_get_count(lua_State *L);
+
+ // get_wear(self) -> number
+ static int l_get_wear(lua_State *L);
+
+ // get_metadata(self) -> string
+ static int l_get_metadata(lua_State *L);
+
+ // clear(self) -> true
+ static int l_clear(lua_State *L);
+
+ // replace(self, itemstack or itemstring or table or nil) -> true
+ static int l_replace(lua_State *L);
+
+ // to_string(self) -> string
+ static int l_to_string(lua_State *L);
+
+ // to_table(self) -> table or nil
+ static int l_to_table(lua_State *L);
+
+ // get_stack_max(self) -> number
+ static int l_get_stack_max(lua_State *L);
+
+ // get_free_space(self) -> number
+ static int l_get_free_space(lua_State *L);
+
+ // is_known(self) -> true/false
+ // Checks if the item is defined.
+ static int l_is_known(lua_State *L);
+
+ // get_definition(self) -> table
+ // Returns the item definition table from minetest.registered_items,
+ // or a fallback one (name="unknown")
+ static int l_get_definition(lua_State *L);
+
+ // get_tool_capabilities(self) -> table
+ // Returns the effective tool digging properties.
+ // Returns those of the hand ("") if this item has none associated.
+ static int l_get_tool_capabilities(lua_State *L);
+
+ // add_wear(self, amount) -> true/false
+ // The range for "amount" is [0,65535]. Wear is only added if the item
+ // is a tool. Adding wear might destroy the item.
+ // Returns true if the item is (or was) a tool.
+ static int l_add_wear(lua_State *L);
+
+ // add_item(self, itemstack or itemstring or table or nil) -> itemstack
+ // Returns leftover item stack
+ static int l_add_item(lua_State *L);
+
+ // item_fits(self, itemstack or itemstring or table or nil) -> true/false, itemstack
+ // First return value is true iff the new item fits fully into the stack
+ // Second return value is the would-be-left-over item stack
+ static int l_item_fits(lua_State *L);
+
+ // take_item(self, takecount=1) -> itemstack
+ static int l_take_item(lua_State *L);
+
+ // peek_item(self, peekcount=1) -> itemstack
+ static int l_peek_item(lua_State *L);
+
+public:
+ LuaItemStack(const ItemStack &item);
+ ~LuaItemStack();
+
+ const ItemStack& getItem() const;
+ ItemStack& getItem();
+
+ // LuaItemStack(itemstack or itemstring or table or nil)
+ // Creates an LuaItemStack and leaves it on top of stack
+ static int create_object(lua_State *L);
+ // Not callable from Lua
+ static int create(lua_State *L, const ItemStack &item);
+ static LuaItemStack* checkobject(lua_State *L, int narg);
+ static void Register(lua_State *L);
+
+};
+
+/*****************************************************************************/
+/* Mod API */
+/*****************************************************************************/
+int l_register_item_raw(lua_State *L);
+int l_register_alias_raw(lua_State *L);
+
+/*****************************************************************************/
+/* scriptapi internal */
+/*****************************************************************************/
+bool get_item_callback(lua_State *L,
+ const char *name, const char *callbackname);
+ItemDefinition read_item_definition(lua_State *L, int index,
+ ItemDefinition default_def = ItemDefinition());
+
+extern struct EnumString es_ItemType[];
+
+/*****************************************************************************/
+/* Minetest interface */
+/*****************************************************************************/
+bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
+ ServerActiveObject *dropper, v3f pos);
+bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
+ ServerActiveObject *placer, const PointedThing &pointed);
+bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
+ ServerActiveObject *user, const PointedThing &pointed);
+
+
+#endif /* LUA_ITEM_H_ */
diff --git a/src/scriptapi_node.cpp b/src/scriptapi_node.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5ffcaeb9d93245bb8f6b7cb818c5820cebef5c37
--- /dev/null
+++ b/src/scriptapi_node.cpp
@@ -0,0 +1,243 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_node.h"
+#include "util/pointedthing.h"
+#include "script.h"
+#include "scriptapi_common.h"
+#include "scriptapi_types.h"
+#include "scriptapi_item.h"
+#include "scriptapi_object.h"
+
+
+struct EnumString es_DrawType[] =
+{
+ {NDT_NORMAL, "normal"},
+ {NDT_AIRLIKE, "airlike"},
+ {NDT_LIQUID, "liquid"},
+ {NDT_FLOWINGLIQUID, "flowingliquid"},
+ {NDT_GLASSLIKE, "glasslike"},
+ {NDT_ALLFACES, "allfaces"},
+ {NDT_ALLFACES_OPTIONAL, "allfaces_optional"},
+ {NDT_TORCHLIKE, "torchlike"},
+ {NDT_SIGNLIKE, "signlike"},
+ {NDT_PLANTLIKE, "plantlike"},
+ {NDT_FENCELIKE, "fencelike"},
+ {NDT_RAILLIKE, "raillike"},
+ {NDT_NODEBOX, "nodebox"},
+ {0, NULL},
+};
+
+struct EnumString es_ContentParamType[] =
+{
+ {CPT_NONE, "none"},
+ {CPT_LIGHT, "light"},
+ {0, NULL},
+};
+
+struct EnumString es_ContentParamType2[] =
+{
+ {CPT2_NONE, "none"},
+ {CPT2_FULL, "full"},
+ {CPT2_FLOWINGLIQUID, "flowingliquid"},
+ {CPT2_FACEDIR, "facedir"},
+ {CPT2_WALLMOUNTED, "wallmounted"},
+ {0, NULL},
+};
+
+struct EnumString es_LiquidType[] =
+{
+ {LIQUID_NONE, "none"},
+ {LIQUID_FLOWING, "flowing"},
+ {LIQUID_SOURCE, "source"},
+ {0, NULL},
+};
+
+struct EnumString es_NodeBoxType[] =
+{
+ {NODEBOX_REGULAR, "regular"},
+ {NODEBOX_FIXED, "fixed"},
+ {NODEBOX_WALLMOUNTED, "wallmounted"},
+ {0, NULL},
+};
+
+
+bool scriptapi_node_on_punch(lua_State *L, v3s16 p, MapNode node,
+ ServerActiveObject *puncher)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_punch"))
+ return false;
+
+ // Call function
+ push_v3s16(L, p);
+ pushnode(L, node, ndef);
+ objectref_get_or_create(L, puncher);
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return true;
+}
+
+bool scriptapi_node_on_dig(lua_State *L, v3s16 p, MapNode node,
+ ServerActiveObject *digger)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_dig"))
+ return false;
+
+ // Call function
+ push_v3s16(L, p);
+ pushnode(L, node, ndef);
+ objectref_get_or_create(L, digger);
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return true;
+}
+
+void scriptapi_node_on_construct(lua_State *L, v3s16 p, MapNode node)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_construct"))
+ return;
+
+ // Call function
+ push_v3s16(L, p);
+ if(lua_pcall(L, 1, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+void scriptapi_node_on_destruct(lua_State *L, v3s16 p, MapNode node)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_destruct"))
+ return;
+
+ // Call function
+ push_v3s16(L, p);
+ if(lua_pcall(L, 1, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+void scriptapi_node_after_destruct(lua_State *L, v3s16 p, MapNode node)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "after_destruct"))
+ return;
+
+ // Call function
+ push_v3s16(L, p);
+ pushnode(L, node, ndef);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+bool scriptapi_node_on_timer(lua_State *L, v3s16 p, MapNode node, f32 dtime)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_timer"))
+ return false;
+
+ // Call function
+ push_v3s16(L, p);
+ lua_pushnumber(L,dtime);
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if((bool)lua_isboolean(L,-1) && (bool)lua_toboolean(L,-1) == true)
+ return true;
+
+ return false;
+}
+
+void scriptapi_node_on_receive_fields(lua_State *L, v3s16 p,
+ const std::string &formname,
+ const std::map<std::string, std::string> &fields,
+ ServerActiveObject *sender)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_receive_fields"))
+ return;
+
+ // Call function
+ // param 1
+ push_v3s16(L, p);
+ // param 2
+ lua_pushstring(L, formname.c_str());
+ // param 3
+ lua_newtable(L);
+ for(std::map<std::string, std::string>::const_iterator
+ i = fields.begin(); i != fields.end(); i++){
+ const std::string &name = i->first;
+ const std::string &value = i->second;
+ lua_pushstring(L, name.c_str());
+ lua_pushlstring(L, value.c_str(), value.size());
+ lua_settable(L, -3);
+ }
+ // param 4
+ objectref_get_or_create(L, sender);
+ if(lua_pcall(L, 4, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
diff --git a/src/scriptapi_node.h b/src/scriptapi_node.h
new file mode 100644
index 0000000000000000000000000000000000000000..c00df9dc56733c14ae984709befa881190d1cc30
--- /dev/null
+++ b/src/scriptapi_node.h
@@ -0,0 +1,56 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_NODE_H_
+#define LUA_NODE_H_
+
+#include <irr_v3d.h>
+#include <iostream>
+#include <map>
+
+extern "C" {
+#include <lua.h>
+}
+
+#include "content_sao.h"
+#include "map.h"
+
+/*****************************************************************************/
+/* Minetest interface */
+/*****************************************************************************/
+bool scriptapi_node_on_punch(lua_State *L, v3s16 p, MapNode node,
+ ServerActiveObject *puncher);
+bool scriptapi_node_on_dig(lua_State *L, v3s16 p, MapNode node,
+ ServerActiveObject *digger);
+void scriptapi_node_on_construct(lua_State *L, v3s16 p, MapNode node);
+void scriptapi_node_on_destruct(lua_State *L, v3s16 p, MapNode node);
+void scriptapi_node_after_destruct(lua_State *L, v3s16 p, MapNode node);
+bool scriptapi_node_on_timer(lua_State *L, v3s16 p, MapNode node, f32 dtime);
+void scriptapi_node_on_receive_fields(lua_State *L, v3s16 p,
+ const std::string &formname,
+ const std::map<std::string, std::string> &fields,
+ ServerActiveObject *sender);
+
+extern struct EnumString es_DrawType[];
+extern struct EnumString es_ContentParamType[];
+extern struct EnumString es_ContentParamType2[];
+extern struct EnumString es_LiquidType[];
+extern struct EnumString es_NodeBoxType[];
+
+#endif /* LUA_NODE_H_ */
diff --git a/src/scriptapi_nodemeta.cpp b/src/scriptapi_nodemeta.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b66c9a023ca95448391fda55818c56dc29e96801
--- /dev/null
+++ b/src/scriptapi_nodemeta.cpp
@@ -0,0 +1,571 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_nodemeta.h"
+#include "map.h"
+#include "script.h"
+#include "scriptapi_types.h"
+#include "scriptapi_inventory.h"
+#include "scriptapi_common.h"
+#include "scriptapi_item.h"
+#include "scriptapi_object.h"
+
+
+/*
+ NodeMetaRef
+*/
+NodeMetaRef* NodeMetaRef::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(NodeMetaRef**)ud; // unbox pointer
+}
+
+NodeMetadata* NodeMetaRef::getmeta(NodeMetaRef *ref, bool auto_create)
+{
+ NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
+ if(meta == NULL && auto_create)
+ {
+ meta = new NodeMetadata(ref->m_env->getGameDef());
+ ref->m_env->getMap().setNodeMetadata(ref->m_p, meta);
+ }
+ return meta;
+}
+
+void NodeMetaRef::reportMetadataChange(NodeMetaRef *ref)
+{
+ // NOTE: This same code is in rollback_interface.cpp
+ // Inform other things that the metadata has changed
+ v3s16 blockpos = getNodeBlockPos(ref->m_p);
+ MapEditEvent event;
+ event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
+ event.p = blockpos;
+ ref->m_env->getMap().dispatchEvent(&event);
+ // Set the block to be saved
+ MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos);
+ if(block)
+ block->raiseModified(MOD_STATE_WRITE_NEEDED,
+ "NodeMetaRef::reportMetadataChange");
+}
+
+// Exported functions
+
+// garbage collector
+int NodeMetaRef::gc_object(lua_State *L) {
+ NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+}
+
+// get_string(self, name)
+int NodeMetaRef::l_get_string(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = luaL_checkstring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ std::string str = meta->getString(name);
+ lua_pushlstring(L, str.c_str(), str.size());
+ return 1;
+}
+
+// set_string(self, name, var)
+int NodeMetaRef::l_set_string(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = luaL_checkstring(L, 2);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 3, &len);
+ std::string str(s, len);
+
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
+ reportMetadataChange(ref);
+ return 0;
+}
+
+// get_int(self, name)
+int NodeMetaRef::l_get_int(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = lua_tostring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushnumber(L, 0);
+ return 1;
+ }
+ std::string str = meta->getString(name);
+ lua_pushnumber(L, stoi(str));
+ return 1;
+}
+
+// set_int(self, name, var)
+int NodeMetaRef::l_set_int(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = lua_tostring(L, 2);
+ int a = lua_tointeger(L, 3);
+ std::string str = itos(a);
+
+ NodeMetadata *meta = getmeta(ref, true);
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
+ reportMetadataChange(ref);
+ return 0;
+}
+
+// get_float(self, name)
+int NodeMetaRef::l_get_float(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = lua_tostring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushnumber(L, 0);
+ return 1;
+ }
+ std::string str = meta->getString(name);
+ lua_pushnumber(L, stof(str));
+ return 1;
+}
+
+// set_float(self, name, var)
+int NodeMetaRef::l_set_float(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = lua_tostring(L, 2);
+ float a = lua_tonumber(L, 3);
+ std::string str = ftos(a);
+
+ NodeMetadata *meta = getmeta(ref, true);
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
+ reportMetadataChange(ref);
+ return 0;
+}
+
+// get_inventory(self)
+int NodeMetaRef::l_get_inventory(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+ getmeta(ref, true); // try to ensure the metadata exists
+ InvRef::createNodeMeta(L, ref->m_p);
+ return 1;
+}
+
+// to_table(self)
+int NodeMetaRef::l_to_table(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+
+ NodeMetadata *meta = getmeta(ref, true);
+ if(meta == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_newtable(L);
+ // fields
+ lua_newtable(L);
+ {
+ std::map<std::string, std::string> fields = meta->getStrings();
+ for(std::map<std::string, std::string>::const_iterator
+ i = fields.begin(); i != fields.end(); i++){
+ const std::string &name = i->first;
+ const std::string &value = i->second;
+ lua_pushlstring(L, name.c_str(), name.size());
+ lua_pushlstring(L, value.c_str(), value.size());
+ lua_settable(L, -3);
+ }
+ }
+ lua_setfield(L, -2, "fields");
+ // inventory
+ lua_newtable(L);
+ Inventory *inv = meta->getInventory();
+ if(inv){
+ std::vector<const InventoryList*> lists = inv->getLists();
+ for(std::vector<const InventoryList*>::const_iterator
+ i = lists.begin(); i != lists.end(); i++){
+ inventory_get_list_to_lua(inv, (*i)->getName().c_str(), L);
+ lua_setfield(L, -2, (*i)->getName().c_str());
+ }
+ }
+ lua_setfield(L, -2, "inventory");
+ return 1;
+}
+
+// from_table(self, table)
+int NodeMetaRef::l_from_table(lua_State *L)
+{
+ NodeMetaRef *ref = checkobject(L, 1);
+ int base = 2;
+
+ if(lua_isnil(L, base)){
+ // No metadata
+ ref->m_env->getMap().removeNodeMetadata(ref->m_p);
+ lua_pushboolean(L, true);
+ return 1;
+ }
+
+ // Has metadata; clear old one first
+ ref->m_env->getMap().removeNodeMetadata(ref->m_p);
+ // Create new metadata
+ NodeMetadata *meta = getmeta(ref, true);
+ // Set fields
+ lua_getfield(L, base, "fields");
+ int fieldstable = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, fieldstable) != 0){
+ // key at index -2 and value at index -1
+ std::string name = lua_tostring(L, -2);
+ size_t cl;
+ const char *cs = lua_tolstring(L, -1, &cl);
+ std::string value(cs, cl);
+ meta->setString(name, value);
+ lua_pop(L, 1); // removes value, keeps key for next iteration
+ }
+ // Set inventory
+ Inventory *inv = meta->getInventory();
+ lua_getfield(L, base, "inventory");
+ int inventorytable = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, inventorytable) != 0){
+ // key at index -2 and value at index -1
+ std::string name = lua_tostring(L, -2);
+ inventory_set_list_from_lua(inv, name.c_str(), L, -1);
+ lua_pop(L, 1); // removes value, keeps key for next iteration
+ }
+ reportMetadataChange(ref);
+ lua_pushboolean(L, true);
+ return 1;
+}
+
+
+NodeMetaRef::NodeMetaRef(v3s16 p, ServerEnvironment *env):
+ m_p(p),
+ m_env(env)
+{
+}
+
+NodeMetaRef::~NodeMetaRef()
+{
+}
+
+// Creates an NodeMetaRef and leaves it on top of stack
+// Not callable from Lua; all references are created on the C side.
+void NodeMetaRef::create(lua_State *L, v3s16 p, ServerEnvironment *env)
+{
+ NodeMetaRef *o = new NodeMetaRef(p, env);
+ //infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+}
+
+void NodeMetaRef::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+}
+
+const char NodeMetaRef::className[] = "NodeMetaRef";
+const luaL_reg NodeMetaRef::methods[] = {
+ luamethod(NodeMetaRef, get_string),
+ luamethod(NodeMetaRef, set_string),
+ luamethod(NodeMetaRef, get_int),
+ luamethod(NodeMetaRef, set_int),
+ luamethod(NodeMetaRef, get_float),
+ luamethod(NodeMetaRef, set_float),
+ luamethod(NodeMetaRef, get_inventory),
+ luamethod(NodeMetaRef, to_table),
+ luamethod(NodeMetaRef, from_table),
+ {0,0}
+};
+
+/*
+ Node metadata inventory callbacks
+*/
+
+// Return number of accepted items to be moved
+int scriptapi_nodemeta_inventory_allow_move(lua_State *L, v3s16 p,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return 0;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "allow_metadata_inventory_move"))
+ return count;
+
+ // function(pos, from_list, from_index, to_list, to_index, count, player)
+ // pos
+ push_v3s16(L, p);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 7, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_metadata_inventory_move should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be put
+int scriptapi_nodemeta_inventory_allow_put(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return 0;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "allow_metadata_inventory_put"))
+ return stack.count;
+
+ // Call function(pos, listname, index, stack, player)
+ // pos
+ push_v3s16(L, p);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_metadata_inventory_put should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be taken
+int scriptapi_nodemeta_inventory_allow_take(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return 0;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "allow_metadata_inventory_take"))
+ return stack.count;
+
+ // Call function(pos, listname, index, count, player)
+ // pos
+ push_v3s16(L, p);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_metadata_inventory_take should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Report moved items
+void scriptapi_nodemeta_inventory_on_move(lua_State *L, v3s16 p,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "on_metadata_inventory_move"))
+ return;
+
+ // function(pos, from_list, from_index, to_list, to_index, count, player)
+ // pos
+ push_v3s16(L, p);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 7, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// Report put items
+void scriptapi_nodemeta_inventory_on_put(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "on_metadata_inventory_put"))
+ return;
+
+ // Call function(pos, listname, index, stack, player)
+ // pos
+ push_v3s16(L, p);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// Report taken items
+void scriptapi_nodemeta_inventory_on_take(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "on_metadata_inventory_take"))
+ return;
+
+ // Call function(pos, listname, index, stack, player)
+ // pos
+ push_v3s16(L, p);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
diff --git a/src/scriptapi_nodemeta.h b/src/scriptapi_nodemeta.h
new file mode 100644
index 0000000000000000000000000000000000000000..6d1802a9c8b38b2038a6d6bc78957cddec276a04
--- /dev/null
+++ b/src/scriptapi_nodemeta.h
@@ -0,0 +1,125 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#ifndef LUA_NODEMETA_H_
+#define LUA_NODEMETA_H_
+
+#include <irr_v3d.h>
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+#include "environment.h"
+#include "nodemetadata.h"
+
+/*
+ NodeMetaRef
+*/
+
+class NodeMetaRef
+{
+private:
+ v3s16 m_p;
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static NodeMetaRef *checkobject(lua_State *L, int narg);
+
+ static NodeMetadata* getmeta(NodeMetaRef *ref, bool auto_create);
+
+ static void reportMetadataChange(NodeMetaRef *ref);
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L);
+
+ // get_string(self, name)
+ static int l_get_string(lua_State *L);
+
+ // set_string(self, name, var)
+ static int l_set_string(lua_State *L);
+
+ // get_int(self, name)
+ static int l_get_int(lua_State *L);
+
+ // set_int(self, name, var)
+ static int l_set_int(lua_State *L);
+
+ // get_float(self, name)
+ static int l_get_float(lua_State *L);
+
+ // set_float(self, name, var)
+ static int l_set_float(lua_State *L);
+
+ // get_inventory(self)
+ static int l_get_inventory(lua_State *L);
+
+ // to_table(self)
+ static int l_to_table(lua_State *L);
+
+ // from_table(self, table)
+ static int l_from_table(lua_State *L);
+
+public:
+ NodeMetaRef(v3s16 p, ServerEnvironment *env);
+
+ ~NodeMetaRef();
+
+ // Creates an NodeMetaRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, v3s16 p, ServerEnvironment *env);
+
+ static void Register(lua_State *L);
+};
+
+/*****************************************************************************/
+/* Minetest interface */
+/*****************************************************************************/
+// Return number of accepted items to be moved
+int scriptapi_nodemeta_inventory_allow_move(lua_State *L, v3s16 p,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player);
+// Return number of accepted items to be put
+int scriptapi_nodemeta_inventory_allow_put(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player);
+// Return number of accepted items to be taken
+int scriptapi_nodemeta_inventory_allow_take(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player);
+// Report moved items
+void scriptapi_nodemeta_inventory_on_move(lua_State *L, v3s16 p,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player);
+// Report put items
+void scriptapi_nodemeta_inventory_on_put(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player);
+// Report taken items
+void scriptapi_nodemeta_inventory_on_take(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player);
+
+#endif //LUA_NODEMETA_H_
diff --git a/src/scriptapi_nodetimer.cpp b/src/scriptapi_nodetimer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5e3289aee958ca54211f341ceba9eabffc7ffa45
--- /dev/null
+++ b/src/scriptapi_nodetimer.cpp
@@ -0,0 +1,166 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_nodetimer.h"
+#include "map.h"
+
+
+int NodeTimerRef::gc_object(lua_State *L) {
+ NodeTimerRef *o = *(NodeTimerRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+}
+
+NodeTimerRef* NodeTimerRef::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(NodeTimerRef**)ud; // unbox pointer
+}
+
+int NodeTimerRef::l_set(lua_State *L)
+{
+ NodeTimerRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ f32 t = luaL_checknumber(L,2);
+ f32 e = luaL_checknumber(L,3);
+ env->getMap().setNodeTimer(o->m_p,NodeTimer(t,e));
+ return 0;
+}
+
+int NodeTimerRef::l_start(lua_State *L)
+{
+ NodeTimerRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ f32 t = luaL_checknumber(L,2);
+ env->getMap().setNodeTimer(o->m_p,NodeTimer(t,0));
+ return 0;
+}
+
+int NodeTimerRef::l_stop(lua_State *L)
+{
+ NodeTimerRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ env->getMap().removeNodeTimer(o->m_p);
+ return 0;
+}
+
+int NodeTimerRef::l_is_started(lua_State *L)
+{
+ NodeTimerRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+
+ NodeTimer t = env->getMap().getNodeTimer(o->m_p);
+ lua_pushboolean(L,(t.timeout != 0));
+ return 1;
+}
+
+int NodeTimerRef::l_get_timeout(lua_State *L)
+{
+ NodeTimerRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+
+ NodeTimer t = env->getMap().getNodeTimer(o->m_p);
+ lua_pushnumber(L,t.timeout);
+ return 1;
+}
+
+int NodeTimerRef::l_get_elapsed(lua_State *L)
+{
+ NodeTimerRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+
+ NodeTimer t = env->getMap().getNodeTimer(o->m_p);
+ lua_pushnumber(L,t.elapsed);
+ return 1;
+}
+
+
+NodeTimerRef::NodeTimerRef(v3s16 p, ServerEnvironment *env):
+ m_p(p),
+ m_env(env)
+{
+}
+
+NodeTimerRef::~NodeTimerRef()
+{
+}
+
+// Creates an NodeTimerRef and leaves it on top of stack
+// Not callable from Lua; all references are created on the C side.
+void NodeTimerRef::create(lua_State *L, v3s16 p, ServerEnvironment *env)
+{
+ NodeTimerRef *o = new NodeTimerRef(p, env);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+}
+
+void NodeTimerRef::set_null(lua_State *L)
+{
+ NodeTimerRef *o = checkobject(L, -1);
+ o->m_env = NULL;
+}
+
+void NodeTimerRef::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+}
+
+const char NodeTimerRef::className[] = "NodeTimerRef";
+const luaL_reg NodeTimerRef::methods[] = {
+ luamethod(NodeTimerRef, start),
+ luamethod(NodeTimerRef, set),
+ luamethod(NodeTimerRef, stop),
+ luamethod(NodeTimerRef, is_started),
+ luamethod(NodeTimerRef, get_timeout),
+ luamethod(NodeTimerRef, get_elapsed),
+ {0,0}
+};
diff --git a/src/scriptapi_nodetimer.h b/src/scriptapi_nodetimer.h
new file mode 100644
index 0000000000000000000000000000000000000000..184ff8cc99b7e7f8b62ea7334af304161177e896
--- /dev/null
+++ b/src/scriptapi_nodetimer.h
@@ -0,0 +1,72 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_NODETIMER_H_
+#define LUA_NODETIMER_H_
+
+#include <irr_v3d.h>
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+#include "environment.h"
+
+class NodeTimerRef
+{
+private:
+ v3s16 m_p;
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static int gc_object(lua_State *L);
+
+ static NodeTimerRef *checkobject(lua_State *L, int narg);
+
+ static int l_set(lua_State *L);
+
+ static int l_start(lua_State *L);
+
+ static int l_stop(lua_State *L);
+
+ static int l_is_started(lua_State *L);
+
+ static int l_get_timeout(lua_State *L);
+
+ static int l_get_elapsed(lua_State *L);
+
+public:
+ NodeTimerRef(v3s16 p, ServerEnvironment *env);
+ ~NodeTimerRef();
+
+ // Creates an NodeTimerRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, v3s16 p, ServerEnvironment *env);
+
+ static void set_null(lua_State *L);
+
+ static void Register(lua_State *L);
+};
+
+
+
+#endif /* LUA_NODETIMER_H_ */
diff --git a/src/scriptapi_noise.cpp b/src/scriptapi_noise.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..86f6e309743cdadf664a6edcb40c20f03633c71e
--- /dev/null
+++ b/src/scriptapi_noise.cpp
@@ -0,0 +1,389 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_noise.h"
+#include "scriptapi_types.h"
+#include "script.h"
+
+#include <irr_v2d.h>
+
+
+// garbage collector
+int LuaPerlinNoise::gc_object(lua_State *L)
+{
+ LuaPerlinNoise *o = *(LuaPerlinNoise **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+}
+
+int LuaPerlinNoise::l_get2d(lua_State *L)
+{
+ LuaPerlinNoise *o = checkobject(L, 1);
+ v2f pos2d = read_v2f(L,2);
+ lua_Number val = noise2d_perlin(pos2d.X/o->scale, pos2d.Y/o->scale, o->seed, o->octaves, o->persistence);
+ lua_pushnumber(L, val);
+ return 1;
+}
+int LuaPerlinNoise::l_get3d(lua_State *L)
+{
+ LuaPerlinNoise *o = checkobject(L, 1);
+ v3f pos3d = read_v3f(L,2);
+ lua_Number val = noise3d_perlin(pos3d.X/o->scale, pos3d.Y/o->scale, pos3d.Z/o->scale, o->seed, o->octaves, o->persistence);
+ lua_pushnumber(L, val);
+ return 1;
+}
+
+
+LuaPerlinNoise::LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
+ float a_scale):
+ seed(a_seed),
+ octaves(a_octaves),
+ persistence(a_persistence),
+ scale(a_scale)
+{
+}
+
+LuaPerlinNoise::~LuaPerlinNoise()
+{
+}
+
+// LuaPerlinNoise(seed, octaves, persistence, scale)
+// Creates an LuaPerlinNoise and leaves it on top of stack
+int LuaPerlinNoise::create_object(lua_State *L)
+{
+ int seed = luaL_checkint(L, 1);
+ int octaves = luaL_checkint(L, 2);
+ float persistence = luaL_checknumber(L, 3);
+ float scale = luaL_checknumber(L, 4);
+ LuaPerlinNoise *o = new LuaPerlinNoise(seed, octaves, persistence, scale);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+}
+
+LuaPerlinNoise* LuaPerlinNoise::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(LuaPerlinNoise**)ud; // unbox pointer
+}
+
+void LuaPerlinNoise::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Can be created from Lua (PerlinNoise(seed, octaves, persistence)
+ lua_register(L, className, create_object);
+}
+
+const char LuaPerlinNoise::className[] = "PerlinNoise";
+const luaL_reg LuaPerlinNoise::methods[] = {
+ luamethod(LuaPerlinNoise, get2d),
+ luamethod(LuaPerlinNoise, get3d),
+ {0,0}
+};
+
+/*
+ PerlinNoiseMap
+ */
+
+
+int LuaPerlinNoiseMap::gc_object(lua_State *L)
+{
+ LuaPerlinNoiseMap *o = *(LuaPerlinNoiseMap **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+}
+
+int LuaPerlinNoiseMap::l_get2dMap(lua_State *L)
+{
+ int i = 0;
+
+ LuaPerlinNoiseMap *o = checkobject(L, 1);
+ v2f p = read_v2f(L, 2);
+
+ Noise *n = o->noise;
+ n->perlinMap2D(p.X, p.Y);
+
+ lua_newtable(L);
+ for (int y = 0; y != n->sy; y++) {
+ lua_newtable(L);
+ for (int x = 0; x != n->sx; x++) {
+ float noiseval = n->np->offset + n->np->scale * n->result[i++];
+ lua_pushnumber(L, noiseval);
+ lua_rawseti(L, -2, x + 1);
+ }
+ lua_rawseti(L, -2, y + 1);
+ }
+ return 1;
+}
+
+int LuaPerlinNoiseMap::l_get3dMap(lua_State *L)
+{
+ int i = 0;
+
+ LuaPerlinNoiseMap *o = checkobject(L, 1);
+ v3f p = read_v3f(L, 2);
+
+ Noise *n = o->noise;
+ n->perlinMap3D(p.X, p.Y, p.Z);
+
+ lua_newtable(L);
+ for (int z = 0; z != n->sz; z++) {
+ lua_newtable(L);
+ for (int y = 0; y != n->sy; y++) {
+ lua_newtable(L);
+ for (int x = 0; x != n->sx; x++) {
+ lua_pushnumber(L, n->np->offset + n->np->scale * n->result[i++]);
+ lua_rawseti(L, -2, x + 1);
+ }
+ lua_rawseti(L, -2, y + 1);
+ }
+ lua_rawseti(L, -2, z + 1);
+ }
+ return 1;
+}
+
+LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size) {
+ noise = new Noise(np, seed, size.X, size.Y, size.Z);
+}
+
+LuaPerlinNoiseMap::~LuaPerlinNoiseMap()
+{
+ delete noise->np;
+ delete noise;
+}
+
+// LuaPerlinNoiseMap(np, size)
+// Creates an LuaPerlinNoiseMap and leaves it on top of stack
+int LuaPerlinNoiseMap::create_object(lua_State *L)
+{
+ NoiseParams *np = read_noiseparams(L, 1);
+ if (!np)
+ return 0;
+ v3s16 size = read_v3s16(L, 2);
+
+ LuaPerlinNoiseMap *o = new LuaPerlinNoiseMap(np, 0, size);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+}
+
+LuaPerlinNoiseMap* LuaPerlinNoiseMap::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+
+ void *ud = luaL_checkudata(L, narg, className);
+ if (!ud)
+ luaL_typerror(L, narg, className);
+
+ return *(LuaPerlinNoiseMap **)ud; // unbox pointer
+}
+
+void LuaPerlinNoiseMap::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Can be created from Lua (PerlinNoiseMap(np, size)
+ lua_register(L, className, create_object);
+}
+
+const char LuaPerlinNoiseMap::className[] = "PerlinNoiseMap";
+const luaL_reg LuaPerlinNoiseMap::methods[] = {
+ luamethod(LuaPerlinNoiseMap, get2dMap),
+ luamethod(LuaPerlinNoiseMap, get3dMap),
+ {0,0}
+};
+
+/*
+ NoiseParams
+*/
+NoiseParams *read_noiseparams(lua_State *L, int index)
+{
+ if (index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if (!lua_istable(L, index))
+ return NULL;
+
+ NoiseParams *np = new NoiseParams;
+
+ np->offset = getfloatfield_default(L, index, "offset", 0.0);
+ np->scale = getfloatfield_default(L, index, "scale", 0.0);
+ lua_getfield(L, index, "spread");
+ np->spread = read_v3f(L, -1);
+ np->seed = getintfield_default(L, index, "seed", 0);
+ np->octaves = getintfield_default(L, index, "octaves", 0);
+ np->persist = getfloatfield_default(L, index, "persist", 0.0);
+
+ return np;
+}
+
+/*
+ LuaPseudoRandom
+*/
+
+// garbage collector
+int LuaPseudoRandom::gc_object(lua_State *L)
+{
+ LuaPseudoRandom *o = *(LuaPseudoRandom **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+}
+
+// next(self, min=0, max=32767) -> get next value
+int LuaPseudoRandom::l_next(lua_State *L)
+{
+ LuaPseudoRandom *o = checkobject(L, 1);
+ int min = 0;
+ int max = 32767;
+ lua_settop(L, 3); // Fill 2 and 3 with nil if they don't exist
+ if(!lua_isnil(L, 2))
+ min = luaL_checkinteger(L, 2);
+ if(!lua_isnil(L, 3))
+ max = luaL_checkinteger(L, 3);
+ if(max < min){
+ errorstream<<"PseudoRandom.next(): max="<<max<<" min="<<min<<std::endl;
+ throw LuaError(L, "PseudoRandom.next(): max < min");
+ }
+ if(max - min != 32767 && max - min > 32767/5)
+ throw LuaError(L, "PseudoRandom.next() max-min is not 32767 and is > 32768/5. This is disallowed due to the bad random distribution the implementation would otherwise make.");
+ PseudoRandom &pseudo = o->m_pseudo;
+ int val = pseudo.next();
+ val = (val % (max-min+1)) + min;
+ lua_pushinteger(L, val);
+ return 1;
+}
+
+
+LuaPseudoRandom::LuaPseudoRandom(int seed):
+ m_pseudo(seed)
+{
+}
+
+LuaPseudoRandom::~LuaPseudoRandom()
+{
+}
+
+const PseudoRandom& LuaPseudoRandom::getItem() const
+{
+ return m_pseudo;
+}
+PseudoRandom& LuaPseudoRandom::getItem()
+{
+ return m_pseudo;
+}
+
+// LuaPseudoRandom(seed)
+// Creates an LuaPseudoRandom and leaves it on top of stack
+int LuaPseudoRandom::create_object(lua_State *L)
+{
+ int seed = luaL_checknumber(L, 1);
+ LuaPseudoRandom *o = new LuaPseudoRandom(seed);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+}
+
+LuaPseudoRandom* LuaPseudoRandom::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(LuaPseudoRandom**)ud; // unbox pointer
+}
+
+void LuaPseudoRandom::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Can be created from Lua (LuaPseudoRandom(seed))
+ lua_register(L, className, create_object);
+}
+
+const char LuaPseudoRandom::className[] = "PseudoRandom";
+const luaL_reg LuaPseudoRandom::methods[] = {
+ luamethod(LuaPseudoRandom, next),
+ {0,0}
+};
diff --git a/src/scriptapi_noise.h b/src/scriptapi_noise.h
new file mode 100644
index 0000000000000000000000000000000000000000..a02383fde86fea4e235d9e0d53cd1ce455a4dea6
--- /dev/null
+++ b/src/scriptapi_noise.h
@@ -0,0 +1,133 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_PERLIN_H_
+#define LUA_PERLIN_H_
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+#include "noise.h"
+
+class LuaPerlinNoise
+{
+private:
+ int seed;
+ int octaves;
+ float persistence;
+ float scale;
+ static const char className[];
+ static const luaL_reg methods[];
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L);
+
+ static int l_get2d(lua_State *L);
+ static int l_get3d(lua_State *L);
+
+public:
+ LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
+ float a_scale);
+
+ ~LuaPerlinNoise();
+
+ // LuaPerlinNoise(seed, octaves, persistence, scale)
+ // Creates an LuaPerlinNoise and leaves it on top of stack
+ static int create_object(lua_State *L);
+
+ static LuaPerlinNoise* checkobject(lua_State *L, int narg);
+
+ static void Register(lua_State *L);
+};
+
+/*
+ PerlinNoiseMap
+ */
+class LuaPerlinNoiseMap
+{
+private:
+ Noise *noise;
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static int gc_object(lua_State *L);
+
+ static int l_get2dMap(lua_State *L);
+
+ static int l_get3dMap(lua_State *L);
+
+public:
+ LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size);
+
+ ~LuaPerlinNoiseMap();
+
+ // LuaPerlinNoiseMap(np, size)
+ // Creates an LuaPerlinNoiseMap and leaves it on top of stack
+ static int create_object(lua_State *L);
+
+ static LuaPerlinNoiseMap *checkobject(lua_State *L, int narg);
+
+ static void Register(lua_State *L);
+};
+
+/*
+ LuaPseudoRandom
+*/
+
+
+class LuaPseudoRandom
+{
+private:
+ PseudoRandom m_pseudo;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L);
+
+ // next(self, min=0, max=32767) -> get next value
+ static int l_next(lua_State *L);
+
+public:
+ LuaPseudoRandom(int seed);
+
+ ~LuaPseudoRandom();
+
+ const PseudoRandom& getItem() const;
+ PseudoRandom& getItem();
+
+ // LuaPseudoRandom(seed)
+ // Creates an LuaPseudoRandom and leaves it on top of stack
+ static int create_object(lua_State *L);
+
+ static LuaPseudoRandom* checkobject(lua_State *L, int narg);
+
+ static void Register(lua_State *L);
+};
+
+NoiseParams *read_noiseparams(lua_State *L, int index);
+
+#endif /* LUA_PERLIN_H_ */
diff --git a/src/scriptapi_object.cpp b/src/scriptapi_object.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..ba72840c00f69515cba43cefd00a068683eb117f
--- /dev/null
+++ b/src/scriptapi_object.cpp
@@ -0,0 +1,920 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_object.h"
+#include "log.h"
+#include "tool.h"
+#include "scriptapi_types.h"
+#include "scriptapi_inventory.h"
+#include "scriptapi_item.h"
+#include "scriptapi_entity.h"
+#include "scriptapi_common.h"
+
+
+/*
+ ObjectRef
+*/
+
+
+ObjectRef* ObjectRef::checkobject(lua_State *L, int narg)
+{
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(ObjectRef**)ud; // unbox pointer
+}
+
+ServerActiveObject* ObjectRef::getobject(ObjectRef *ref)
+{
+ ServerActiveObject *co = ref->m_object;
+ return co;
+}
+
+LuaEntitySAO* ObjectRef::getluaobject(ObjectRef *ref)
+{
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
+ return NULL;
+ return (LuaEntitySAO*)obj;
+}
+
+PlayerSAO* ObjectRef::getplayersao(ObjectRef *ref)
+{
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
+ return NULL;
+ return (PlayerSAO*)obj;
+}
+
+Player* ObjectRef::getplayer(ObjectRef *ref)
+{
+ PlayerSAO *playersao = getplayersao(ref);
+ if(playersao == NULL)
+ return NULL;
+ return playersao->getPlayer();
+}
+
+// Exported functions
+
+// garbage collector
+int ObjectRef::gc_object(lua_State *L) {
+ ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
+ //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
+ delete o;
+ return 0;
+}
+
+// remove(self)
+int ObjectRef::l_remove(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ verbosestream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
+ co->m_removed = true;
+ return 0;
+}
+
+// getpos(self)
+// returns: {x=num, y=num, z=num}
+int ObjectRef::l_getpos(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ v3f pos = co->getBasePosition() / BS;
+ lua_newtable(L);
+ lua_pushnumber(L, pos.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, pos.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, pos.Z);
+ lua_setfield(L, -2, "z");
+ return 1;
+}
+
+// setpos(self, pos)
+int ObjectRef::l_setpos(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setPos(pos);
+ return 0;
+}
+
+// moveto(self, pos, continuous=false)
+int ObjectRef::l_moveto(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // continuous
+ bool continuous = lua_toboolean(L, 3);
+ // Do it
+ co->moveTo(pos, continuous);
+ return 0;
+}
+
+// punch(self, puncher, time_from_last_punch, tool_capabilities, dir)
+int ObjectRef::l_punch(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *puncher_ref = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *puncher = getobject(puncher_ref);
+ if(co == NULL) return 0;
+ if(puncher == NULL) return 0;
+ v3f dir;
+ if(lua_type(L, 5) != LUA_TTABLE)
+ dir = co->getBasePosition() - puncher->getBasePosition();
+ else
+ dir = read_v3f(L, 5);
+ float time_from_last_punch = 1000000;
+ if(lua_isnumber(L, 3))
+ time_from_last_punch = lua_tonumber(L, 3);
+ ToolCapabilities toolcap = read_tool_capabilities(L, 4);
+ dir.normalize();
+ // Do it
+ co->punch(dir, &toolcap, puncher, time_from_last_punch);
+ return 0;
+}
+
+// right_click(self, clicker); clicker = an another ObjectRef
+int ObjectRef::l_right_click(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *ref2 = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *co2 = getobject(ref2);
+ if(co == NULL) return 0;
+ if(co2 == NULL) return 0;
+ // Do it
+ co->rightClick(co2);
+ return 0;
+}
+
+// set_hp(self, hp)
+// hp = number of hitpoints (2 * number of hearts)
+// returns: nil
+int ObjectRef::l_set_hp(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checknumber(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ int hp = lua_tonumber(L, 2);
+ /*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
+ <<" hp="<<hp<<std::endl;*/
+ // Do it
+ co->setHP(hp);
+ // Return
+ return 0;
+}
+
+// get_hp(self)
+// returns: number of hitpoints (2 * number of hearts)
+// 0 if not applicable to this type of object
+int ObjectRef::l_get_hp(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL){
+ // Default hp is 1
+ lua_pushnumber(L, 1);
+ return 1;
+ }
+ int hp = co->getHP();
+ /*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
+ <<" hp="<<hp<<std::endl;*/
+ // Return
+ lua_pushnumber(L, hp);
+ return 1;
+}
+
+// get_inventory(self)
+int ObjectRef::l_get_inventory(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ InventoryLocation loc = co->getInventoryLocation();
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L); // An object may have no inventory (nil)
+ return 1;
+}
+
+// get_wield_list(self)
+int ObjectRef::l_get_wield_list(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ lua_pushstring(L, co->getWieldList().c_str());
+ return 1;
+}
+
+// get_wield_index(self)
+int ObjectRef::l_get_wield_index(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ lua_pushinteger(L, co->getWieldIndex() + 1);
+ return 1;
+}
+
+// get_wielded_item(self)
+int ObjectRef::l_get_wielded_item(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL){
+ // Empty ItemStack
+ LuaItemStack::create(L, ItemStack());
+ return 1;
+ }
+ // Do it
+ LuaItemStack::create(L, co->getWieldedItem());
+ return 1;
+}
+
+// set_wielded_item(self, itemstack or itemstring or table or nil)
+int ObjectRef::l_set_wielded_item(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ ItemStack item = read_item(L, 2);
+ bool success = co->setWieldedItem(item);
+ lua_pushboolean(L, success);
+ return 1;
+}
+
+// set_armor_groups(self, groups)
+int ObjectRef::l_set_armor_groups(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ ItemGroupList groups;
+ read_groups(L, 2, groups);
+ co->setArmorGroups(groups);
+ return 0;
+}
+
+// set_animation(self, frame_range, frame_speed, frame_blend)
+int ObjectRef::l_set_animation(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v2f frames = v2f(1, 1);
+ if(!lua_isnil(L, 2))
+ frames = read_v2f(L, 2);
+ float frame_speed = 15;
+ if(!lua_isnil(L, 3))
+ frame_speed = lua_tonumber(L, 3);
+ float frame_blend = 0;
+ if(!lua_isnil(L, 4))
+ frame_blend = lua_tonumber(L, 4);
+ co->setAnimation(frames, frame_speed, frame_blend);
+ return 0;
+}
+
+// set_bone_position(self, std::string bone, v3f position, v3f rotation)
+int ObjectRef::l_set_bone_position(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string bone = "";
+ if(!lua_isnil(L, 2))
+ bone = lua_tostring(L, 2);
+ v3f position = v3f(0, 0, 0);
+ if(!lua_isnil(L, 3))
+ position = read_v3f(L, 3);
+ v3f rotation = v3f(0, 0, 0);
+ if(!lua_isnil(L, 4))
+ rotation = read_v3f(L, 4);
+ co->setBonePosition(bone, position, rotation);
+ return 0;
+}
+
+// set_attach(self, parent, bone, position, rotation)
+int ObjectRef::l_set_attach(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *parent_ref = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *parent = getobject(parent_ref);
+ if(co == NULL) return 0;
+ if(parent == NULL) return 0;
+ // Do it
+ std::string bone = "";
+ if(!lua_isnil(L, 3))
+ bone = lua_tostring(L, 3);
+ v3f position = v3f(0, 0, 0);
+ if(!lua_isnil(L, 4))
+ position = read_v3f(L, 4);
+ v3f rotation = v3f(0, 0, 0);
+ if(!lua_isnil(L, 5))
+ rotation = read_v3f(L, 5);
+ co->setAttachment(parent->getId(), bone, position, rotation);
+ return 0;
+}
+
+// set_detach(self)
+int ObjectRef::l_set_detach(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ co->setAttachment(0, "", v3f(0,0,0), v3f(0,0,0));
+ return 0;
+}
+
+// set_properties(self, properties)
+int ObjectRef::l_set_properties(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ ObjectProperties *prop = co->accessObjectProperties();
+ if(!prop)
+ return 0;
+ read_object_properties(L, 2, prop);
+ co->notifyObjectPropertiesModified();
+ return 0;
+}
+
+/* LuaEntitySAO-only */
+
+// setvelocity(self, {x=num, y=num, z=num})
+int ObjectRef::l_setvelocity(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setVelocity(pos);
+ return 0;
+}
+
+// getvelocity(self)
+int ObjectRef::l_getvelocity(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v3f v = co->getVelocity();
+ pushFloatPos(L, v);
+ return 1;
+}
+
+// setacceleration(self, {x=num, y=num, z=num})
+int ObjectRef::l_setacceleration(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setAcceleration(pos);
+ return 0;
+}
+
+// getacceleration(self)
+int ObjectRef::l_getacceleration(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v3f v = co->getAcceleration();
+ pushFloatPos(L, v);
+ return 1;
+}
+
+// setyaw(self, radians)
+int ObjectRef::l_setyaw(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
+ // Do it
+ co->setYaw(yaw);
+ return 0;
+}
+
+// getyaw(self)
+int ObjectRef::l_getyaw(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ float yaw = co->getYaw() * core::DEGTORAD;
+ lua_pushnumber(L, yaw);
+ return 1;
+}
+
+// settexturemod(self, mod)
+int ObjectRef::l_settexturemod(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string mod = luaL_checkstring(L, 2);
+ co->setTextureMod(mod);
+ return 0;
+}
+
+// setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
+// select_horiz_by_yawpitch=false)
+int ObjectRef::l_setsprite(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v2s16 p(0,0);
+ if(!lua_isnil(L, 2))
+ p = read_v2s16(L, 2);
+ int num_frames = 1;
+ if(!lua_isnil(L, 3))
+ num_frames = lua_tonumber(L, 3);
+ float framelength = 0.2;
+ if(!lua_isnil(L, 4))
+ framelength = lua_tonumber(L, 4);
+ bool select_horiz_by_yawpitch = false;
+ if(!lua_isnil(L, 5))
+ select_horiz_by_yawpitch = lua_toboolean(L, 5);
+ co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
+ return 0;
+}
+
+// DEPRECATED
+// get_entity_name(self)
+int ObjectRef::l_get_entity_name(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string name = co->getName();
+ lua_pushstring(L, name.c_str());
+ return 1;
+}
+
+// get_luaentity(self)
+int ObjectRef::l_get_luaentity(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ luaentity_get(L, co->getId());
+ return 1;
+}
+
+/* Player-only */
+
+// is_player(self)
+int ObjectRef::l_is_player(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ lua_pushboolean(L, (player != NULL));
+ return 1;
+}
+
+// get_player_name(self)
+int ObjectRef::l_get_player_name(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ // Do it
+ lua_pushstring(L, player->getName());
+ return 1;
+}
+
+// get_look_dir(self)
+int ObjectRef::l_get_look_dir(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ float pitch = player->getRadPitch();
+ float yaw = player->getRadYaw();
+ v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
+ push_v3f(L, v);
+ return 1;
+}
+
+// get_look_pitch(self)
+int ObjectRef::l_get_look_pitch(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ lua_pushnumber(L, player->getRadPitch());
+ return 1;
+}
+
+// get_look_yaw(self)
+int ObjectRef::l_get_look_yaw(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ lua_pushnumber(L, player->getRadYaw());
+ return 1;
+}
+
+// set_inventory_formspec(self, formspec)
+int ObjectRef::l_set_inventory_formspec(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+ std::string formspec = luaL_checkstring(L, 2);
+
+ player->inventory_formspec = formspec;
+ get_server(L)->reportInventoryFormspecModified(player->getName());
+ lua_pushboolean(L, true);
+ return 1;
+}
+
+// get_inventory_formspec(self) -> formspec
+int ObjectRef::l_get_inventory_formspec(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+
+ std::string formspec = player->inventory_formspec;
+ lua_pushlstring(L, formspec.c_str(), formspec.size());
+ return 1;
+}
+
+// get_player_control(self)
+int ObjectRef::l_get_player_control(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ // Do it
+ PlayerControl control = player->getPlayerControl();
+ lua_newtable(L);
+ lua_pushboolean(L, control.up);
+ lua_setfield(L, -2, "up");
+ lua_pushboolean(L, control.down);
+ lua_setfield(L, -2, "down");
+ lua_pushboolean(L, control.left);
+ lua_setfield(L, -2, "left");
+ lua_pushboolean(L, control.right);
+ lua_setfield(L, -2, "right");
+ lua_pushboolean(L, control.jump);
+ lua_setfield(L, -2, "jump");
+ lua_pushboolean(L, control.aux1);
+ lua_setfield(L, -2, "aux1");
+ lua_pushboolean(L, control.sneak);
+ lua_setfield(L, -2, "sneak");
+ lua_pushboolean(L, control.LMB);
+ lua_setfield(L, -2, "LMB");
+ lua_pushboolean(L, control.RMB);
+ lua_setfield(L, -2, "RMB");
+ return 1;
+}
+
+// get_player_control_bits(self)
+int ObjectRef::l_get_player_control_bits(lua_State *L)
+{
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ // Do it
+ lua_pushnumber(L, player->keyPressed);
+ return 1;
+}
+
+
+ObjectRef::ObjectRef(ServerActiveObject *object):
+ m_object(object)
+{
+ //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
+}
+
+ObjectRef::~ObjectRef()
+{
+ /*if(m_object)
+ infostream<<"ObjectRef destructing for id="
+ <<m_object->getId()<<std::endl;
+ else
+ infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
+}
+
+// Creates an ObjectRef and leaves it on top of stack
+// Not callable from Lua; all references are created on the C side.
+void ObjectRef::create(lua_State *L, ServerActiveObject *object)
+{
+ ObjectRef *o = new ObjectRef(object);
+ //infostream<<"ObjectRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+}
+
+void ObjectRef::set_null(lua_State *L)
+{
+ ObjectRef *o = checkobject(L, -1);
+ o->m_object = NULL;
+}
+
+void ObjectRef::Register(lua_State *L)
+{
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+}
+
+const char ObjectRef::className[] = "ObjectRef";
+const luaL_reg ObjectRef::methods[] = {
+ // ServerActiveObject
+ luamethod(ObjectRef, remove),
+ luamethod(ObjectRef, getpos),
+ luamethod(ObjectRef, setpos),
+ luamethod(ObjectRef, moveto),
+ luamethod(ObjectRef, punch),
+ luamethod(ObjectRef, right_click),
+ luamethod(ObjectRef, set_hp),
+ luamethod(ObjectRef, get_hp),
+ luamethod(ObjectRef, get_inventory),
+ luamethod(ObjectRef, get_wield_list),
+ luamethod(ObjectRef, get_wield_index),
+ luamethod(ObjectRef, get_wielded_item),
+ luamethod(ObjectRef, set_wielded_item),
+ luamethod(ObjectRef, set_armor_groups),
+ luamethod(ObjectRef, set_animation),
+ luamethod(ObjectRef, set_bone_position),
+ luamethod(ObjectRef, set_attach),
+ luamethod(ObjectRef, set_detach),
+ luamethod(ObjectRef, set_properties),
+ // LuaEntitySAO-only
+ luamethod(ObjectRef, setvelocity),
+ luamethod(ObjectRef, getvelocity),
+ luamethod(ObjectRef, setacceleration),
+ luamethod(ObjectRef, getacceleration),
+ luamethod(ObjectRef, setyaw),
+ luamethod(ObjectRef, getyaw),
+ luamethod(ObjectRef, settexturemod),
+ luamethod(ObjectRef, setsprite),
+ luamethod(ObjectRef, get_entity_name),
+ luamethod(ObjectRef, get_luaentity),
+ // Player-only
+ luamethod(ObjectRef, is_player),
+ luamethod(ObjectRef, get_player_name),
+ luamethod(ObjectRef, get_look_dir),
+ luamethod(ObjectRef, get_look_pitch),
+ luamethod(ObjectRef, get_look_yaw),
+ luamethod(ObjectRef, set_inventory_formspec),
+ luamethod(ObjectRef, get_inventory_formspec),
+ luamethod(ObjectRef, get_player_control),
+ luamethod(ObjectRef, get_player_control_bits),
+ {0,0}
+};
+
+// Creates a new anonymous reference if cobj=NULL or id=0
+void objectref_get_or_create(lua_State *L,
+ ServerActiveObject *cobj)
+{
+ if(cobj == NULL || cobj->getId() == 0){
+ ObjectRef::create(L, cobj);
+ } else {
+ objectref_get(L, cobj->getId());
+ }
+}
+
+void objectref_get(lua_State *L, u16 id)
+{
+ // Get minetest.object_refs[i]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "object_refs");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushnumber(L, id);
+ lua_gettable(L, -2);
+ lua_remove(L, -2); // object_refs
+ lua_remove(L, -2); // minetest
+}
+
+/*
+ ObjectProperties
+*/
+
+void read_object_properties(lua_State *L, int index,
+ ObjectProperties *prop)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ if(!lua_istable(L, index))
+ return;
+
+ prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
+
+ getboolfield(L, -1, "physical", prop->physical);
+
+ getfloatfield(L, -1, "weight", prop->weight);
+
+ lua_getfield(L, -1, "collisionbox");
+ if(lua_istable(L, -1))
+ prop->collisionbox = read_aabb3f(L, -1, 1.0);
+ lua_pop(L, 1);
+
+ getstringfield(L, -1, "visual", prop->visual);
+
+ getstringfield(L, -1, "mesh", prop->mesh);
+
+ lua_getfield(L, -1, "visual_size");
+ if(lua_istable(L, -1))
+ prop->visual_size = read_v2f(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "textures");
+ if(lua_istable(L, -1)){
+ prop->textures.clear();
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ if(lua_isstring(L, -1))
+ prop->textures.push_back(lua_tostring(L, -1));
+ else
+ prop->textures.push_back("");
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "colors");
+ if(lua_istable(L, -1)){
+ prop->colors.clear();
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ if(lua_isstring(L, -1))
+ prop->colors.push_back(readARGB8(L, -1));
+ else
+ prop->colors.push_back(video::SColor(255, 255, 255, 255));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "spritediv");
+ if(lua_istable(L, -1))
+ prop->spritediv = read_v2s16(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "initial_sprite_basepos");
+ if(lua_istable(L, -1))
+ prop->initial_sprite_basepos = read_v2s16(L, -1);
+ lua_pop(L, 1);
+
+ getboolfield(L, -1, "is_visible", prop->is_visible);
+ getboolfield(L, -1, "makes_footstep_sound", prop->makes_footstep_sound);
+ getfloatfield(L, -1, "automatic_rotate", prop->automatic_rotate);
+}
+
+/*
+ object_reference
+*/
+
+void scriptapi_add_object_reference(lua_State *L, ServerActiveObject *cobj)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Create object on stack
+ ObjectRef::create(L, cobj); // Puts ObjectRef (as userdata) on stack
+ int object = lua_gettop(L);
+
+ // Get minetest.object_refs table
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "object_refs");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int objectstable = lua_gettop(L);
+
+ // object_refs[id] = object
+ lua_pushnumber(L, cobj->getId()); // Push id
+ lua_pushvalue(L, object); // Copy object to top of stack
+ lua_settable(L, objectstable);
+}
+
+void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.object_refs table
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "object_refs");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int objectstable = lua_gettop(L);
+
+ // Get object_refs[id]
+ lua_pushnumber(L, cobj->getId()); // Push id
+ lua_gettable(L, objectstable);
+ // Set object reference to NULL
+ ObjectRef::set_null(L);
+ lua_pop(L, 1); // pop object
+
+ // Set object_refs[id] = nil
+ lua_pushnumber(L, cobj->getId()); // Push id
+ lua_pushnil(L);
+ lua_settable(L, objectstable);
+}
diff --git a/src/scriptapi_object.h b/src/scriptapi_object.h
new file mode 100644
index 0000000000000000000000000000000000000000..ba1e7db394d1f2d911a2d86e9350588c8e3819c4
--- /dev/null
+++ b/src/scriptapi_object.h
@@ -0,0 +1,214 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_OBJECT_H_
+#define LUA_OBJECT_H_
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+#include "serverobject.h"
+#include "content_sao.h"
+#include "player.h"
+
+/*
+ ObjectRef
+*/
+
+class ObjectRef
+{
+private:
+ ServerActiveObject *m_object;
+
+ static const char className[];
+ static const luaL_reg methods[];
+public:
+ static ObjectRef *checkobject(lua_State *L, int narg);
+
+ static ServerActiveObject* getobject(ObjectRef *ref);
+private:
+ static LuaEntitySAO* getluaobject(ObjectRef *ref);
+
+ static PlayerSAO* getplayersao(ObjectRef *ref);
+
+ static Player* getplayer(ObjectRef *ref);
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L);
+
+ // remove(self)
+ static int l_remove(lua_State *L);
+
+ // getpos(self)
+ // returns: {x=num, y=num, z=num}
+ static int l_getpos(lua_State *L);
+
+ // setpos(self, pos)
+ static int l_setpos(lua_State *L);
+
+ // moveto(self, pos, continuous=false)
+ static int l_moveto(lua_State *L);
+
+ // punch(self, puncher, time_from_last_punch, tool_capabilities, dir)
+ static int l_punch(lua_State *L);
+
+ // right_click(self, clicker); clicker = an another ObjectRef
+ static int l_right_click(lua_State *L);
+
+ // set_hp(self, hp)
+ // hp = number of hitpoints (2 * number of hearts)
+ // returns: nil
+ static int l_set_hp(lua_State *L);
+
+ // get_hp(self)
+ // returns: number of hitpoints (2 * number of hearts)
+ // 0 if not applicable to this type of object
+ static int l_get_hp(lua_State *L);
+
+ // get_inventory(self)
+ static int l_get_inventory(lua_State *L);
+
+ // get_wield_list(self)
+ static int l_get_wield_list(lua_State *L);
+
+ // get_wield_index(self)
+ static int l_get_wield_index(lua_State *L);
+
+ // get_wielded_item(self)
+ static int l_get_wielded_item(lua_State *L);
+
+ // set_wielded_item(self, itemstack or itemstring or table or nil)
+ static int l_set_wielded_item(lua_State *L);
+
+ // set_armor_groups(self, groups)
+ static int l_set_armor_groups(lua_State *L);
+
+ // set_animation(self, frame_range, frame_speed, frame_blend)
+ static int l_set_animation(lua_State *L);
+
+ // set_bone_position(self, std::string bone, v3f position, v3f rotation)
+ static int l_set_bone_position(lua_State *L);
+
+ // set_attach(self, parent, bone, position, rotation)
+ static int l_set_attach(lua_State *L);
+
+ // set_detach(self)
+ static int l_set_detach(lua_State *L);
+
+ // set_properties(self, properties)
+ static int l_set_properties(lua_State *L);
+
+ /* LuaEntitySAO-only */
+
+ // setvelocity(self, {x=num, y=num, z=num})
+ static int l_setvelocity(lua_State *L);
+
+ // getvelocity(self)
+ static int l_getvelocity(lua_State *L);
+
+ // setacceleration(self, {x=num, y=num, z=num})
+ static int l_setacceleration(lua_State *L);
+
+ // getacceleration(self)
+ static int l_getacceleration(lua_State *L);
+
+ // setyaw(self, radians)
+ static int l_setyaw(lua_State *L);
+
+ // getyaw(self)
+ static int l_getyaw(lua_State *L);
+
+ // settexturemod(self, mod)
+ static int l_settexturemod(lua_State *L);
+
+ // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
+ // select_horiz_by_yawpitch=false)
+ static int l_setsprite(lua_State *L);
+
+ // DEPRECATED
+ // get_entity_name(self)
+ static int l_get_entity_name(lua_State *L);
+
+ // get_luaentity(self)
+ static int l_get_luaentity(lua_State *L);
+
+ /* Player-only */
+
+ // is_player(self)
+ static int l_is_player(lua_State *L);
+
+ // get_player_name(self)
+ static int l_get_player_name(lua_State *L);
+
+ // get_look_dir(self)
+ static int l_get_look_dir(lua_State *L);
+
+ // get_look_pitch(self)
+ static int l_get_look_pitch(lua_State *L);
+
+ // get_look_yaw(self)
+ static int l_get_look_yaw(lua_State *L);
+
+ // set_inventory_formspec(self, formspec)
+ static int l_set_inventory_formspec(lua_State *L);
+
+ // get_inventory_formspec(self) -> formspec
+ static int l_get_inventory_formspec(lua_State *L);
+
+ // get_player_control(self)
+ static int l_get_player_control(lua_State *L);
+
+ // get_player_control_bits(self)
+ static int l_get_player_control_bits(lua_State *L);
+
+public:
+ ObjectRef(ServerActiveObject *object);
+
+ ~ObjectRef();
+
+ // Creates an ObjectRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, ServerActiveObject *object);
+
+ static void set_null(lua_State *L);
+
+ static void Register(lua_State *L);
+};
+
+/*****************************************************************************/
+/* scriptapi internal */
+/*****************************************************************************/
+// Creates a new anonymous reference if cobj=NULL or id=0
+void objectref_get_or_create(lua_State *L,
+ ServerActiveObject *cobj);
+void objectref_get(lua_State *L, u16 id);
+void read_object_properties(lua_State *L, int index,
+ ObjectProperties *prop);
+
+/*****************************************************************************/
+/* Minetest interface */
+/*****************************************************************************/
+void scriptapi_add_object_reference(lua_State *L, ServerActiveObject *cobj);
+void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj);
+
+#endif /* LUA_OBJECT_H_ */
diff --git a/src/scriptapi_types.cpp b/src/scriptapi_types.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3d06f1623e6776684eb18825e5f14201e241ce21
--- /dev/null
+++ b/src/scriptapi_types.cpp
@@ -0,0 +1,372 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_types.h"
+
+extern "C" {
+#include <lauxlib.h>
+}
+
+#include "util/numeric.h"
+#include "nodedef.h"
+
+/*
+ C struct <-> Lua table converter functions
+*/
+
+void push_v3f(lua_State *L, v3f p)
+{
+ lua_newtable(L);
+ lua_pushnumber(L, p.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, p.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, p.Z);
+ lua_setfield(L, -2, "z");
+}
+
+v2s16 read_v2s16(lua_State *L, int index)
+{
+ v2s16 p;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ p.X = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ p.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return p;
+}
+
+v2f read_v2f(lua_State *L, int index)
+{
+ v2f p;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ p.X = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ p.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return p;
+}
+
+v3f read_v3f(lua_State *L, int index)
+{
+ v3f pos;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ pos.X = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ pos.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "z");
+ pos.Z = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return pos;
+}
+
+v3f check_v3f(lua_State *L, int index)
+{
+ v3f pos;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ pos.X = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ pos.Y = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "z");
+ pos.Z = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ return pos;
+}
+
+void pushFloatPos(lua_State *L, v3f p)
+{
+ p /= BS;
+ push_v3f(L, p);
+}
+
+v3f checkFloatPos(lua_State *L, int index)
+{
+ return check_v3f(L, index) * BS;
+}
+
+void push_v3s16(lua_State *L, v3s16 p)
+{
+ lua_newtable(L);
+ lua_pushnumber(L, p.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, p.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, p.Z);
+ lua_setfield(L, -2, "z");
+}
+
+v3s16 read_v3s16(lua_State *L, int index)
+{
+ // Correct rounding at <0
+ v3f pf = read_v3f(L, index);
+ return floatToInt(pf, 1.0);
+}
+
+v3s16 check_v3s16(lua_State *L, int index)
+{
+ // Correct rounding at <0
+ v3f pf = check_v3f(L, index);
+ return floatToInt(pf, 1.0);
+}
+
+video::SColor readARGB8(lua_State *L, int index)
+{
+ video::SColor color;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "a");
+ if(lua_isnumber(L, -1))
+ color.setAlpha(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "r");
+ color.setRed(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "g");
+ color.setGreen(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "b");
+ color.setBlue(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ return color;
+}
+
+aabb3f read_aabb3f(lua_State *L, int index, f32 scale)
+{
+ aabb3f box;
+ if(lua_istable(L, index)){
+ lua_rawgeti(L, index, 1);
+ box.MinEdge.X = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, index, 2);
+ box.MinEdge.Y = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, index, 3);
+ box.MinEdge.Z = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, index, 4);
+ box.MaxEdge.X = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, index, 5);
+ box.MaxEdge.Y = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, index, 6);
+ box.MaxEdge.Z = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ }
+ return box;
+}
+
+std::vector<aabb3f> read_aabb3f_vector(lua_State *L, int index, f32 scale)
+{
+ std::vector<aabb3f> boxes;
+ if(lua_istable(L, index)){
+ int n = lua_objlen(L, index);
+ // Check if it's a single box or a list of boxes
+ bool possibly_single_box = (n == 6);
+ for(int i = 1; i <= n && possibly_single_box; i++){
+ lua_rawgeti(L, index, i);
+ if(!lua_isnumber(L, -1))
+ possibly_single_box = false;
+ lua_pop(L, 1);
+ }
+ if(possibly_single_box){
+ // Read a single box
+ boxes.push_back(read_aabb3f(L, index, scale));
+ } else {
+ // Read a list of boxes
+ for(int i = 1; i <= n; i++){
+ lua_rawgeti(L, index, i);
+ boxes.push_back(read_aabb3f(L, -1, scale));
+ lua_pop(L, 1);
+ }
+ }
+ }
+ return boxes;
+}
+
+/*
+ Table field getters
+*/
+
+bool getstringfield(lua_State *L, int table,
+ const char *fieldname, std::string &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isstring(L, -1)){
+ size_t len = 0;
+ const char *ptr = lua_tolstring(L, -1, &len);
+ result.assign(ptr, len);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+bool getintfield(lua_State *L, int table,
+ const char *fieldname, int &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isnumber(L, -1)){
+ result = lua_tonumber(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+bool getfloatfield(lua_State *L, int table,
+ const char *fieldname, float &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isnumber(L, -1)){
+ result = lua_tonumber(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+bool getboolfield(lua_State *L, int table,
+ const char *fieldname, bool &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isboolean(L, -1)){
+ result = lua_toboolean(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+std::string checkstringfield(lua_State *L, int table,
+ const char *fieldname)
+{
+ lua_getfield(L, table, fieldname);
+ std::string s = luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ return s;
+}
+
+std::string getstringfield_default(lua_State *L, int table,
+ const char *fieldname, const std::string &default_)
+{
+ std::string result = default_;
+ getstringfield(L, table, fieldname, result);
+ return result;
+}
+
+int getintfield_default(lua_State *L, int table,
+ const char *fieldname, int default_)
+{
+ int result = default_;
+ getintfield(L, table, fieldname, result);
+ return result;
+}
+
+float getfloatfield_default(lua_State *L, int table,
+ const char *fieldname, float default_)
+{
+ float result = default_;
+ getfloatfield(L, table, fieldname, result);
+ return result;
+}
+
+bool getboolfield_default(lua_State *L, int table,
+ const char *fieldname, bool default_)
+{
+ bool result = default_;
+ getboolfield(L, table, fieldname, result);
+ return result;
+}
+
+void setintfield(lua_State *L, int table,
+ const char *fieldname, int value)
+{
+ lua_pushinteger(L, value);
+ if(table < 0)
+ table -= 1;
+ lua_setfield(L, table, fieldname);
+}
+
+void setfloatfield(lua_State *L, int table,
+ const char *fieldname, float value)
+{
+ lua_pushnumber(L, value);
+ if(table < 0)
+ table -= 1;
+ lua_setfield(L, table, fieldname);
+}
+
+void setboolfield(lua_State *L, int table,
+ const char *fieldname, bool value)
+{
+ lua_pushboolean(L, value);
+ if(table < 0)
+ table -= 1;
+ lua_setfield(L, table, fieldname);
+}
+
+
+/* minetest specific types */
+MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
+{
+ lua_getfield(L, index, "name");
+ const char *name = luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ u8 param1;
+ lua_getfield(L, index, "param1");
+ if(lua_isnil(L, -1))
+ param1 = 0;
+ else
+ param1 = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ u8 param2;
+ lua_getfield(L, index, "param2");
+ if(lua_isnil(L, -1))
+ param2 = 0;
+ else
+ param2 = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return MapNode(ndef, name, param1, param2);
+}
+
+void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
+{
+ lua_newtable(L);
+ lua_pushstring(L, ndef->get(n).name.c_str());
+ lua_setfield(L, -2, "name");
+ lua_pushnumber(L, n.getParam1());
+ lua_setfield(L, -2, "param1");
+ lua_pushnumber(L, n.getParam2());
+ lua_setfield(L, -2, "param2");
+}
diff --git a/src/scriptapi_types.h b/src/scriptapi_types.h
new file mode 100644
index 0000000000000000000000000000000000000000..e3a611a9d8d4cd0277fe6f97b3a8568e49cbd0d6
--- /dev/null
+++ b/src/scriptapi_types.h
@@ -0,0 +1,87 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_TYPES_H_
+#define LUA_TYPES_H_
+
+#include <iostream>
+#include <map>
+#include <vector>
+
+#include "irrlichttypes_bloated.h"
+#include "porting.h"
+#include "map.h"
+
+extern "C" {
+#include <lua.h>
+}
+
+std::string getstringfield_default (lua_State *L, int table,
+ const char *fieldname, const std::string &default_);
+bool getboolfield_default(lua_State *L, int table,
+ const char *fieldname, bool default_);
+float getfloatfield_default(lua_State *L, int table,
+ const char *fieldname, float default_);
+int getintfield_default (lua_State *L, int table,
+ const char *fieldname, int default_);
+
+bool getstringfield(lua_State *L, int table,
+ const char *fieldname, std::string &result);
+bool getintfield(lua_State *L, int table,
+ const char *fieldname, int &result);
+void read_groups (lua_State *L, int index,
+ std::map<std::string, int> &result);
+bool getboolfield(lua_State *L, int table,
+ const char *fieldname, bool &result);
+bool getfloatfield(lua_State *L, int table,
+ const char *fieldname, float &result);
+
+std::string checkstringfield(lua_State *L, int table,
+ const char *fieldname);
+
+void setintfield(lua_State *L, int table,
+ const char *fieldname, int value);
+void setfloatfield(lua_State *L, int table,
+ const char *fieldname, float value);
+void setboolfield(lua_State *L, int table,
+ const char *fieldname, bool value);
+
+
+v3f checkFloatPos (lua_State *L, int index);
+v3f check_v3f (lua_State *L, int index);
+v3s16 check_v3s16 (lua_State *L, int index);
+
+v3f read_v3f (lua_State *L, int index);
+v2f read_v2f (lua_State *L, int index);
+v2s16 read_v2s16 (lua_State *L, int index);
+video::SColor readARGB8 (lua_State *L, int index);
+aabb3f read_aabb3f (lua_State *L, int index, f32 scale);
+v3s16 read_v3s16 (lua_State *L, int index);
+std::vector<aabb3f>
+ read_aabb3f_vector (lua_State *L, int index, f32 scale);
+
+void push_v3s16 (lua_State *L, v3s16 p);
+void pushFloatPos (lua_State *L, v3f p);
+void push_v3f (lua_State *L, v3f p);
+
+
+MapNode readnode(lua_State *L, int index, INodeDefManager *ndef);
+void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef);
+
+#endif /* LUA_TYPES_H_ */