From 625a4c2e662f6b69b73a2a828d1b08d72e53ff73 Mon Sep 17 00:00:00 2001
From: RealBadAngel <mk@realbadangel.pl>
Date: Thu, 25 Apr 2013 02:39:21 +0200
Subject: [PATCH] Add new drawtype GLASSLIKE_FRAMED
---
doc/lua_api.txt | 1 +
src/content_mapblock.cpp | 129 ++++++++++++++++++++++++++++++++++++++-
src/nodedef.cpp | 4 ++
src/nodedef.h | 2 +
src/scriptapi_node.cpp | 1 +
5 files changed, 135 insertions(+), 2 deletions(-)
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index b2106b64c..5b1942aef 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -329,6 +329,7 @@ Look for examples in games/minimal or games/minetest_game.
- liquid
- flowingliquid
- glasslike
+- glasslike_framed
- allfaces
- allfaces_optional
- torchlike
diff --git a/src/content_mapblock.cpp b/src/content_mapblock.cpp
index 84d5f067c..155b39ab6 100644
--- a/src/content_mapblock.cpp
+++ b/src/content_mapblock.cpp
@@ -740,8 +740,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
continue;
// The face at Z+
- video::S3DVertex vertices[4] =
- {
+ video::S3DVertex vertices[4] = {
video::S3DVertex(-BS/2,-BS/2,BS/2, 0,0,0, c,
ap.x0(), ap.y1()),
video::S3DVertex(BS/2,-BS/2,BS/2, 0,0,0, c,
@@ -781,6 +780,132 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
collector.append(tile, vertices, 4, indices, 6);
}
break;}
+ case NDT_GLASSLIKE_FRAMED:
+ {
+ static const v3s16 dirs[6] = {
+ v3s16( 0, 1, 0),
+ v3s16( 0,-1, 0),
+ v3s16( 1, 0, 0),
+ v3s16(-1, 0, 0),
+ v3s16( 0, 0, 1),
+ v3s16( 0, 0,-1)
+ };
+ TileSpec tiles[2];
+ tiles[0] = getNodeTile(n, p, dirs[0], data);
+ tiles[1] = getNodeTile(n, p, dirs[1], data);
+ u16 l = getInteriorLight(n, 1, data);
+ video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+ v3f pos = intToFloat(p, BS);
+ static const float a=BS/2;
+ static const float b=.876*(BS/2);
+ static const aabb3f frame_edges[12] = {
+ aabb3f( b, b,-a, a, a, a), // y+
+ aabb3f(-a, b,-a,-b, a, a), // y+
+ aabb3f( b,-a,-a, a,-b, a), // y-
+ aabb3f(-a,-a,-a,-b,-b, a), // y-
+ aabb3f( b,-a, b, a, a, a), // x+
+ aabb3f( b,-a,-a, a, a,-b), // x+
+ aabb3f(-a,-a, b,-b, a, a), // x-
+ aabb3f(-a,-a,-a,-b, a,-b), // x-
+ aabb3f(-a, b, b, a, a, a), // z+
+ aabb3f(-a,-a, b, a,-b, a), // z+
+ aabb3f(-a,-a,-a, a,-b,-b), // z-
+ aabb3f(-a, b,-a, a, a,-b) // z-
+ };
+ aabb3f glass_faces[6] = {
+ aabb3f(-a, a,-a, a, a, a), // y+
+ aabb3f(-a,-a,-a, a,-a, a), // y-
+ aabb3f( a,-a,-a, a, a, a), // x+
+ aabb3f(-a,-a,-a,-a, a, a), // x-
+ aabb3f(-a,-a, a, a, a, a), // z+
+ aabb3f(-a,-a,-a, a, a,-a) // z-
+ };
+
+ int visible_faces[6] = {0,0,0,0,0,0};
+ int nb[18] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+ u8 i;
+ content_t current = n.getContent();
+ content_t content;
+ MapNode n2;
+ v3s16 n2p;
+ for(i=0; i<18; i++)
+ {
+ n2p = blockpos_nodes + p + g_26dirs[i];
+ n2 = data->m_vmanip.getNodeNoEx(n2p);
+ content_t n2c = n2.getContent();
+ //TODO: remove CONTENT_IGNORE check when getNodeNoEx is fixed
+ if (n2c == current || n2c == CONTENT_IGNORE)
+ nb[i]=1;
+ }
+ for(i=0; i<6; i++)
+ {
+ n2p = blockpos_nodes + p + dirs[i];
+ n2 = data->m_vmanip.getNodeNoEx(n2p);
+ content = n2.getContent();
+ const ContentFeatures &f2 = nodedef->get(content);
+ if (content == CONTENT_AIR || f2.isLiquid())
+ visible_faces[i]=1;
+ }
+ static const u8 nb_triplet[12*3] = {
+ 1,2, 7, 1,5, 6, 4,2,15, 4,5,14,
+ 2,0,11, 2,3,13, 5,0,10, 5,3,12,
+ 0,1, 8, 0,4,16, 3,4,17, 3,1, 9
+ };
+
+ f32 tx1,ty1,tz1,tx2,ty2,tz2;
+ aabb3f box;
+ for(i=0; i<12; i++)
+ {
+ int edge_invisible;
+ if (nb[nb_triplet[i*3+2]]==1)
+ edge_invisible=nb[nb_triplet[i*3]] & nb[nb_triplet[i*3+1]];
+ else
+ edge_invisible=nb[nb_triplet[i*3]] ^ nb[nb_triplet[i*3+1]];
+ if (edge_invisible)
+ continue;
+ box=frame_edges[i];
+ box.MinEdge += pos;
+ box.MaxEdge += pos;
+ tx1 = (box.MinEdge.X/BS)+0.5;
+ ty1 = (box.MinEdge.Y/BS)+0.5;
+ tz1 = (box.MinEdge.Z/BS)+0.5;
+ tx2 = (box.MaxEdge.X/BS)+0.5;
+ ty2 = (box.MaxEdge.Y/BS)+0.5;
+ tz2 = (box.MaxEdge.Z/BS)+0.5;
+ f32 txc1[24] = {
+ tx1, 1-tz2, tx2, 1-tz1,
+ tx1, tz1, tx2, tz2,
+ tz1, 1-ty2, tz2, 1-ty1,
+ 1-tz2, 1-ty2, 1-tz1, 1-ty1,
+ 1-tx2, 1-ty2, 1-tx1, 1-ty1,
+ tx1, 1-ty2, tx2, 1-ty1,
+ };
+ makeCuboid(&collector, box, &tiles[0], 1, c, txc1);
+ }
+ for(i=0; i<6; i++)
+ {
+ if (visible_faces[i]==0)
+ continue;
+ box=glass_faces[i];
+ box.MinEdge += pos;
+ box.MaxEdge += pos;
+ tx1 = (box.MinEdge.X/BS)+0.5;
+ ty1 = (box.MinEdge.Y/BS)+0.5;
+ tz1 = (box.MinEdge.Z/BS)+0.5;
+ tx2 = (box.MaxEdge.X/BS)+0.5;
+ ty2 = (box.MaxEdge.Y/BS)+0.5;
+ tz2 = (box.MaxEdge.Z/BS)+0.5;
+ f32 txc2[24] = {
+ tx1, 1-tz2, tx2, 1-tz1,
+ tx1, tz1, tx2, tz2,
+ tz1, 1-ty2, tz2, 1-ty1,
+ 1-tz2, 1-ty2, 1-tz1, 1-ty1,
+ 1-tx2, 1-ty2, 1-tx1, 1-ty1,
+ tx1, 1-ty2, tx2, 1-ty1,
+ };
+ makeCuboid(&collector, box, &tiles[1], 1, c, txc2);
+ }
+ break;}
case NDT_ALLFACES:
{
TileSpec tile_leaves = getNodeTile(n, p,
diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index e09c1910d..ba3e42e98 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -628,6 +628,10 @@ class CNodeDefManager: public IWritableNodeDefManager
f->solidness = 0;
f->visual_solidness = 1;
break;
+ case NDT_GLASSLIKE_FRAMED:
+ f->solidness = 0;
+ f->visual_solidness = 1;
+ break;
case NDT_ALLFACES:
f->solidness = 0;
f->visual_solidness = 1;
diff --git a/src/nodedef.h b/src/nodedef.h
index d846489ae..8be18f9cb 100644
--- a/src/nodedef.h
+++ b/src/nodedef.h
@@ -133,6 +133,8 @@ enum NodeDrawType
NDT_LIQUID, // Do not draw face towards same kind of flowing/source liquid
NDT_FLOWINGLIQUID, // A very special kind of thing
NDT_GLASSLIKE, // Glass-like, don't draw faces towards other glass
+ NDT_GLASSLIKE_FRAMED, // Glass-like, draw connected frames and all all visible faces
+ // uses 2 textures, one for frames, second for faces
NDT_ALLFACES, // Leaves-like, draw all faces no matter what
NDT_ALLFACES_OPTIONAL, // Fancy -> allfaces, fast -> normal
NDT_TORCHLIKE,
diff --git a/src/scriptapi_node.cpp b/src/scriptapi_node.cpp
index 5ffcaeb9d..2fea50fa1 100644
--- a/src/scriptapi_node.cpp
+++ b/src/scriptapi_node.cpp
@@ -34,6 +34,7 @@ struct EnumString es_DrawType[] =
{NDT_LIQUID, "liquid"},
{NDT_FLOWINGLIQUID, "flowingliquid"},
{NDT_GLASSLIKE, "glasslike"},
+ {NDT_GLASSLIKE_FRAMED, "glasslike_framed"},
{NDT_ALLFACES, "allfaces"},
{NDT_ALLFACES_OPTIONAL, "allfaces_optional"},
{NDT_TORCHLIKE, "torchlike"},
--
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