From 97260d09a8e658b6ded7d9100b0aa1040fcfe50f Mon Sep 17 00:00:00 2001
From: kwolekr <mirrorisim@gmail.com>
Date: Tue, 5 Feb 2013 15:01:33 -0500
Subject: [PATCH] Add flag string settings, flat map option
---
src/defaultsettings.cpp | 2 +-
src/map.cpp | 9 +-----
src/mapgen.cpp | 22 ++++++++++++++-
src/mapgen.h | 2 ++
src/mapgen_v6.cpp | 62 ++++++++++++++++++++++++-----------------
src/porting.h | 1 +
src/settings.h | 11 ++++++++
src/util/string.cpp | 40 ++++++++++++++++++++++++++
src/util/string.h | 7 +++++
9 files changed, 121 insertions(+), 35 deletions(-)
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index e6526d3d7..a164d0693 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -177,7 +177,7 @@ void set_default_settings(Settings *settings)
settings->setDefault("mg_name", "v6");
settings->setDefault("water_level", "1");
settings->setDefault("chunksize", "5");
- settings->setDefault("mg_flags", "19");
+ settings->setDefault("mg_flags", "trees, caves, v6_biome_blend");
settings->setDefault("mgv6_freq_desert", "0.45");
settings->setDefault("mgv6_freq_beach", "0.15");
diff --git a/src/map.cpp b/src/map.cpp
index ab9cb25dd..717b0cf9b 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -3078,14 +3078,7 @@ void ServerMap::saveMapMeta()
Settings params;
- params.set("mg_name", m_emerge->params->mg_name);
- params.setU64("seed", m_emerge->params->seed);
- params.setS16("water_level", m_emerge->params->water_level);
- params.setS16("chunksize", m_emerge->params->chunksize);
- params.setS32("mg_flags", m_emerge->params->flags);
-
- m_emerge->params->writeParams(¶ms);
-
+ m_emerge->setParamsToSettings(¶ms);
params.writeLines(os);
os<<"[end_of_params]\n";
diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index f2745bdb4..5a78a541e 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -35,6 +35,15 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "treegen.h"
#include "mapgen_v6.h"
+FlagDesc flagdesc_mapgen[] = {
+ {"trees", MG_TREES},
+ {"caves", MG_CAVES},
+ {"dungeons", MG_DUNGEONS},
+ {"v6_forests", MGV6_FORESTS},
+ {"v6_biome_blend", MGV6_BIOME_BLEND},
+ {"flat", MG_FLAT},
+ {NULL, 0}
+};
///////////////////////////////////////////////////////////////////////////////
/////////////////////////////// Emerge Manager ////////////////////////////////
@@ -149,7 +158,7 @@ MapgenParams *EmergeManager::getParamsFromSettings(Settings *settings) {
mgparams->seed = settings->getU64(settings == g_settings ? "fixed_map_seed" : "seed");
mgparams->water_level = settings->getS16("water_level");
mgparams->chunksize = settings->getS16("chunksize");
- mgparams->flags = settings->getS32("mg_flags");
+ mgparams->flags = settings->getFlagStr("mg_flags", flagdesc_mapgen);
if (!mgparams->readParams(settings)) {
delete mgparams;
@@ -159,6 +168,17 @@ MapgenParams *EmergeManager::getParamsFromSettings(Settings *settings) {
}
+void EmergeManager::setParamsToSettings(Settings *settings) {
+ settings->set("mg_name", params->mg_name);
+ settings->setU64("seed", params->seed);
+ settings->setS16("water_level", params->water_level);
+ settings->setS16("chunksize", params->chunksize);
+ settings->setFlagStr("mg_flags", params->flags, flagdesc_mapgen);
+
+ params->writeParams(settings);
+}
+
+
bool EmergeManager::registerMapgen(std::string mgname, MapgenFactory *mgfactory) {
mglist.insert(std::make_pair(mgname, mgfactory));
infostream << "EmergeManager: registered mapgen " << mgname << std::endl;
diff --git a/src/mapgen.h b/src/mapgen.h
index 728290ffc..febf37e63 100644
--- a/src/mapgen.h
+++ b/src/mapgen.h
@@ -34,6 +34,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define MG_DUNGEONS 0x04
#define MGV6_FORESTS 0x08
#define MGV6_BIOME_BLEND 0x10
+#define MG_FLAT 0x20
class BiomeDefManager;
class Biome;
@@ -123,6 +124,7 @@ class EmergeManager {
bool registerMapgen(std::string name, MapgenFactory *mgfactory);
MapgenParams *getParamsFromSettings(Settings *settings);
+ void setParamsToSettings(Settings *settings);
//mapgen helper methods
Biome *getBiomeAtPoint(v3s16 p);
diff --git a/src/mapgen_v6.cpp b/src/mapgen_v6.cpp
index 30df1673c..3a5e10930 100644
--- a/src/mapgen_v6.cpp
+++ b/src/mapgen_v6.cpp
@@ -278,6 +278,9 @@ bool MapgenV6::block_is_underground(u64 seed, v3s16 blockpos)
double MapgenV6::base_rock_level_2d(u64 seed, v2s16 p)
{
+ if (flags & MG_FLAT)
+ return water_level;
+
int index = (p.Y - node_min.Z) * ystride + (p.X - node_min.X);
// The base ground level
@@ -333,6 +336,9 @@ double MapgenV6::base_rock_level_2d(u64 seed, v2s16 p)
}
double MapgenV6::baseRockLevelFromNoise(v2s16 p) {
+ if (flags & MG_FLAT)
+ return water_level;
+
double base = water_level +
NoisePerlin2DPosOffset(noise_terrain_base->np, p.X, 0.5, p.Y, 0.5, seed);
double higher = water_level +
@@ -370,6 +376,9 @@ s16 MapgenV6::find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision)
double MapgenV6::get_mud_add_amount(u64 seed, v2s16 p)
{
+ if (flags & MG_FLAT)
+ return AVERAGE_MUD_AMOUNT;
+
/*return ((float)AVERAGE_MUD_AMOUNT + 2.0 * noise2d_perlin(
0.5+(float)p.X/200, 0.5+(float)p.Y/200,
seed+91013, 3, 0.55));*/
@@ -491,34 +500,37 @@ void MapgenV6::makeChunk(BlockMakeData *data)
int z = node_min.Z;
// Need to adjust for the original implementation's +.5 offset...
- noise_terrain_base->perlinMap2D(
- x + 0.5 * noise_terrain_base->np->spread.X,
- z + 0.5 * noise_terrain_base->np->spread.Z);
- noise_terrain_base->transformNoiseMap();
-
- noise_terrain_higher->perlinMap2D(
- x + 0.5 * noise_terrain_higher->np->spread.X,
- z + 0.5 * noise_terrain_higher->np->spread.Z);
- noise_terrain_higher->transformNoiseMap();
-
- noise_steepness->perlinMap2D(
- x + 0.5 * noise_steepness->np->spread.X,
- z + 0.5 * noise_steepness->np->spread.Z);
- noise_steepness->transformNoiseMap();
-
- noise_height_select->perlinMap2D(
- x + 0.5 * noise_height_select->np->spread.X,
- z + 0.5 * noise_height_select->np->spread.Z);
-
+ if (!(flags & MG_FLAT)) {
+ noise_terrain_base->perlinMap2D(
+ x + 0.5 * noise_terrain_base->np->spread.X,
+ z + 0.5 * noise_terrain_base->np->spread.Z);
+ noise_terrain_base->transformNoiseMap();
+
+ noise_terrain_higher->perlinMap2D(
+ x + 0.5 * noise_terrain_higher->np->spread.X,
+ z + 0.5 * noise_terrain_higher->np->spread.Z);
+ noise_terrain_higher->transformNoiseMap();
+
+ noise_steepness->perlinMap2D(
+ x + 0.5 * noise_steepness->np->spread.X,
+ z + 0.5 * noise_steepness->np->spread.Z);
+ noise_steepness->transformNoiseMap();
+
+ noise_height_select->perlinMap2D(
+ x + 0.5 * noise_height_select->np->spread.X,
+ z + 0.5 * noise_height_select->np->spread.Z);
+ }
+
noise_trees->perlinMap2D(
x + 0.5 * noise_trees->np->spread.X,
z + 0.5 * noise_trees->np->spread.Z);
-
- noise_mud->perlinMap2D(
- x + 0.5 * noise_mud->np->spread.X,
- z + 0.5 * noise_mud->np->spread.Z);
- noise_mud->transformNoiseMap();
-
+
+ if (!(flags & MG_FLAT)) {
+ noise_mud->perlinMap2D(
+ x + 0.5 * noise_mud->np->spread.X,
+ z + 0.5 * noise_mud->np->spread.Z);
+ noise_mud->transformNoiseMap();
+ }
noise_beach->perlinMap2D(
x + 0.2 * noise_beach->np->spread.X,
z + 0.7 * noise_beach->np->spread.Z);
diff --git a/src/porting.h b/src/porting.h
index c8d19154c..9ba3394bb 100644
--- a/src/porting.h
+++ b/src/porting.h
@@ -56,6 +56,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define strtof(x, y) (float)strtod(x, y)
#define strtoll(x, y, z) _strtoi64(x, y, z)
#define strtoull(x, y, z) _strtoui64(x, y, z)
+ #define strcasecmp(x, y) stricmp(x, y)
#else
#define ALIGNOF(x) __alignof__(x)
#endif
diff --git a/src/settings.h b/src/settings.h
index 2b46676c6..addd9980c 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -569,6 +569,12 @@ class Settings
return value;
}
+ u32 getFlagStr(std::string name, FlagDesc *flagdesc)
+ {
+ std::string val = get(name);
+ return (isdigit(val[0])) ? stoi(val) : readFlagString(val, flagdesc);
+ }
+
template <class T> T *getStruct(std::string name, std::string format)
{
size_t len = sizeof(T);
@@ -831,6 +837,11 @@ class Settings
set(name, std::string(sbuf));
return true;
}
+
+ void setFlagStr(std::string name, u32 flags, FlagDesc *flagdesc)
+ {
+ set(name, writeFlagString(flags, flagdesc));
+ }
void setBool(std::string name, bool value)
{
diff --git a/src/util/string.cpp b/src/util/string.cpp
index c10755ae1..61b307c60 100644
--- a/src/util/string.cpp
+++ b/src/util/string.cpp
@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "../sha1.h"
#include "../base64.h"
+#include "../porting.h"
// Get an sha-1 hash of the player's name combined with
// the password entered. That's what the server uses as
@@ -48,6 +49,45 @@ size_t curl_write_data(char *ptr, size_t size, size_t nmemb, void *userdata) {
return count;
}
+u32 readFlagString(std::string str, FlagDesc *flagdesc) {
+ u32 result = 0;
+ char *s = &str[0];
+ char *flagstr, *strpos = NULL;
+
+ while ((flagstr = strtok_r(s, ",", &strpos))) {
+ s = NULL;
+
+ while (*flagstr == ' ' || *flagstr == '\t')
+ flagstr++;
+
+ for (int i = 0; flagdesc[i].name; i++) {
+ if (!strcasecmp(flagstr, flagdesc[i].name)) {
+ result |= flagdesc[i].flag;
+ break;
+ }
+ }
+ }
+
+ return result;
+}
+
+std::string writeFlagString(u32 flags, FlagDesc *flagdesc) {
+ std::string result;
+
+ for (int i = 0; flagdesc[i].name; i++) {
+ if (flags & flagdesc[i].flag) {
+ result += flagdesc[i].name;
+ result += ", ";
+ }
+ }
+
+ size_t len = result.length();
+ if (len >= 2)
+ result.erase(len - 2, 2);
+
+ return result;
+}
+
char *mystrtok_r(char *s, const char *sep, char **lasts) {
char *t;
diff --git a/src/util/string.h b/src/util/string.h
index d081b365b..a469a074a 100644
--- a/src/util/string.h
+++ b/src/util/string.h
@@ -28,6 +28,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <vector>
#include <sstream>
+struct FlagDesc {
+ const char *name;
+ u32 flag;
+};
+
static inline std::string padStringRight(std::string s, size_t len)
{
if(len > s.size())
@@ -283,6 +288,8 @@ inline std::string wrap_rows(const std::string &from, u32 rowlen)
std::string translatePassword(std::string playername, std::wstring password);
size_t curl_write_data(char *ptr, size_t size, size_t nmemb, void *userdata);
+u32 readFlagString(std::string str, FlagDesc *flagdesc);
+std::string writeFlagString(u32 flags, FlagDesc *flagdesc);
char *mystrtok_r(char *s, const char *sep, char **lasts);
#endif
--
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