Allow taking screenshots of formspecs and move message to chat
[oweals/minetest.git] / src / content_mapblock.cpp
index 155b39ab6c52a765667e671e02d7bf7fe631483c..b7a48d57ec53830f5b83f2d481d849ae75f59a79 100644 (file)
@@ -99,10 +99,9 @@ void makeCuboid(MeshCollector *collector, const aabb3f &box,
                video::S3DVertex(min.X,min.Y,min.Z, 0,0,-1, c, txc[20],txc[23]),
        };
 
-       v2f t;
-       for(int i = 0; i < tilecount; i++)
+       for(int i = 0; i < 6; i++)
                                {
-                               switch (tiles[i].rotation)
+                               switch (tiles[MYMIN(i, tilecount-1)].rotation)
                                {
                                case 0:
                                        break;
@@ -119,49 +118,43 @@ void makeCuboid(MeshCollector *collector, const aabb3f &box,
                                                vertices[i*4+x].TCoords.rotateBy(270,irr::core::vector2df(0, 0));
                                        break;
                                case 4: //FXR90
-                                       for (int x = 0; x < 4; x++)
+                                       for (int x = 0; x < 4; x++){
+                                               vertices[i*4+x].TCoords.X = 1.0 - vertices[i*4+x].TCoords.X;
                                                vertices[i*4+x].TCoords.rotateBy(90,irr::core::vector2df(0, 0));
-
-                                       tiles[i].texture.pos.Y += tiles[i].texture.size.Y;
-                                       tiles[i].texture.size.Y *= -1;
+                                       }
                                        break;
                                case 5: //FXR270
-                                       for (int x = 0; x < 4; x++)
+                                       for (int x = 0; x < 4; x++){
+                                               vertices[i*4+x].TCoords.X = 1.0 - vertices[i*4+x].TCoords.X;
                                                vertices[i*4+x].TCoords.rotateBy(270,irr::core::vector2df(0, 0));
-                                       t=vertices[i*4].TCoords;
-                                       tiles[i].texture.pos.Y += tiles[i].texture.size.Y;
-                                       tiles[i].texture.size.Y *= -1;
+                                       }
                                        break;
                                case 6: //FYR90
-                                       for (int x = 0; x < 4; x++)
+                                       for (int x = 0; x < 4; x++){
+                                               vertices[i*4+x].TCoords.Y = 1.0 - vertices[i*4+x].TCoords.Y;
                                                vertices[i*4+x].TCoords.rotateBy(90,irr::core::vector2df(0, 0));
-                                       tiles[i].texture.pos.X += tiles[i].texture.size.X;
-                                       tiles[i].texture.size.X *= -1;
+                                       }
                                        break;
                                case 7: //FYR270
-                                       for (int x = 0; x < 4; x++)
+                                       for (int x = 0; x < 4; x++){
+                                               vertices[i*4+x].TCoords.Y = 1.0 - vertices[i*4+x].TCoords.Y;
                                                vertices[i*4+x].TCoords.rotateBy(270,irr::core::vector2df(0, 0));
-                                       tiles[i].texture.pos.X += tiles[i].texture.size.X;
-                                       tiles[i].texture.size.X *= -1;
+                                       }
                                        break;
                                case 8: //FX
-                                       tiles[i].texture.pos.Y += tiles[i].texture.size.Y;
-                                       tiles[i].texture.size.Y *= -1;
+                                       for (int x = 0; x < 4; x++){
+                                               vertices[i*4+x].TCoords.X = 1.0 - vertices[i*4+x].TCoords.X;
+                                       }
                                        break;
                                case 9: //FY
-                                       tiles[i].texture.pos.X += tiles[i].texture.size.X;
-                                       tiles[i].texture.size.X *= -1;
+                                       for (int x = 0; x < 4; x++){
+                                               vertices[i*4+x].TCoords.Y = 1.0 - vertices[i*4+x].TCoords.Y;
+                                       }
                                        break;
                                default:
                                        break;
                                }
                        }
-               for(s32 j=0; j<24; j++)
-       {
-               int tileindex = MYMIN(j/4, tilecount-1);
-               vertices[j].TCoords *= tiles[tileindex].texture.size;
-               vertices[j].TCoords += tiles[tileindex].texture.pos;
-       }
        u16 indices[] = {0,1,2,2,3,0};
        // Add to mesh collector
        for(s32 j=0; j<24; j+=4)
@@ -176,6 +169,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                MeshCollector &collector)
 {
        INodeDefManager *nodedef = data->m_gamedef->ndef();
+       ITextureSource *tsrc = data->m_gamedef->tsrc();
 
        // 0ms
        //TimeTaker timer("mapblock_mesh_generate_special()");
@@ -184,26 +178,74 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                Some settings
        */
        bool new_style_water = g_settings->getBool("new_style_water");
-       
+
        float node_liquid_level = 1.0;
-       if(new_style_water)
+       if (new_style_water)
                node_liquid_level = 0.85;
-       
+
        v3s16 blockpos_nodes = data->m_blockpos*MAP_BLOCKSIZE;
 
-       for(s16 z=0; z<MAP_BLOCKSIZE; z++)
-       for(s16 y=0; y<MAP_BLOCKSIZE; y++)
-       for(s16 x=0; x<MAP_BLOCKSIZE; x++)
+       // Create selection mesh
+       v3s16 p = data->m_highlighted_pos_relative;
+       if (data->m_show_hud & 
+                       (p.X >= 0) & (p.X < MAP_BLOCKSIZE) &
+                       (p.Y >= 0) & (p.Y < MAP_BLOCKSIZE) &
+                       (p.Z >= 0) & (p.Z < MAP_BLOCKSIZE)) {
+
+               MapNode n = data->m_vmanip.getNodeNoEx(blockpos_nodes + p);
+               if(n.getContent() != CONTENT_AIR) {
+                       // Get selection mesh light level
+                       static const v3s16 dirs[7] = {
+                                       v3s16( 0, 0, 0),
+                                       v3s16( 0, 1, 0),
+                                       v3s16( 0,-1, 0),
+                                       v3s16( 1, 0, 0),
+                                       v3s16(-1, 0, 0),
+                                       v3s16( 0, 0, 1),
+                                       v3s16( 0, 0,-1)
+                       };
+
+                       u16 l = 0;
+                       u16 l1 = 0;
+                       for (u8 i = 0; i < 7; i++) {
+                               MapNode n1 = data->m_vmanip.getNodeNoEx(blockpos_nodes + p + dirs[i]);  
+                               l1 = getInteriorLight(n1, -4, nodedef);
+                               if (l1 > l) 
+                                       l = l1;
+                       }
+                       video::SColor c = MapBlock_LightColor(255, l, 0);
+                       data->m_highlight_mesh_color = c;       
+                       std::vector<aabb3f> boxes = n.getSelectionBoxes(nodedef);
+                       TileSpec h_tile;                        
+                       h_tile.material_flags |= MATERIAL_FLAG_HIGHLIGHTED;
+                       h_tile.texture = tsrc->getTexture("halo.png",&h_tile.texture_id);
+                       v3f pos = intToFloat(p, BS);
+                       f32 d = 0.05 * BS;
+                       for(std::vector<aabb3f>::iterator
+                                       i = boxes.begin();
+                                       i != boxes.end(); i++)
+                       {
+                               aabb3f box = *i;
+                               box.MinEdge += v3f(-d, -d, -d) + pos;
+                               box.MaxEdge += v3f(d, d, d) + pos;
+                               makeCuboid(&collector, box, &h_tile, 1, c, NULL);
+                       }
+               }
+       }
+
+       for(s16 z = 0; z < MAP_BLOCKSIZE; z++)
+       for(s16 y = 0; y < MAP_BLOCKSIZE; y++)
+       for(s16 x = 0; x < MAP_BLOCKSIZE; x++)
        {
                v3s16 p(x,y,z);
 
-               MapNode n = data->m_vmanip.getNodeNoEx(blockpos_nodes+p);
+               MapNode n = data->m_vmanip.getNodeNoEx(blockpos_nodes + p);
                const ContentFeatures &f = nodedef->get(n);
 
                // Only solidness=0 stuff is drawn here
                if(f.solidness != 0)
                        continue;
-               
+
                switch(f.drawtype){
                default:
                        infostream<<"Got "<<f.drawtype<<std::endl;
@@ -218,7 +260,6 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        */
                        TileSpec tile_liquid = f.special_tiles[0];
                        TileSpec tile_liquid_bfculled = getNodeTile(n, p, v3s16(0,0,0), data);
-                       AtlasPointer &pa_liquid = tile_liquid.texture;
 
                        bool top_is_same_liquid = false;
                        MapNode ntop = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y+1,z));
@@ -227,8 +268,8 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        if(ntop.getContent() == c_flowing || ntop.getContent() == c_source)
                                top_is_same_liquid = true;
 
-                       u16 l = getInteriorLight(n, 0, data);
-                       video::SColor c = MapBlock_LightColor(f.alpha, l, decode_light(f.light_source));
+                       u16 l = getInteriorLight(n, 0, nodedef);
+                       video::SColor c = MapBlock_LightColor(f.alpha, l, f.light_source);
 
                        /*
                                Generate sides
@@ -280,14 +321,10 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 
                                video::S3DVertex vertices[4] =
                                {
-                                       video::S3DVertex(-BS/2,0,BS/2,0,0,0, c,
-                                                       pa_liquid.x0(), pa_liquid.y1()),
-                                       video::S3DVertex(BS/2,0,BS/2,0,0,0, c,
-                                                       pa_liquid.x1(), pa_liquid.y1()),
-                                       video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
-                                                       pa_liquid.x1(), pa_liquid.y0()),
-                                       video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
-                                                       pa_liquid.x0(), pa_liquid.y0()),
+                                       video::S3DVertex(-BS/2,0,BS/2,0,0,0, c, 0,1),
+                                       video::S3DVertex(BS/2,0,BS/2,0,0,0, c, 1,1),
+                                       video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,0),
+                                       video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,0),
                                };
 
                                /*
@@ -359,14 +396,10 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        
                        video::S3DVertex vertices[4] =
                        {
-                               video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
-                                               pa_liquid.x0(), pa_liquid.y1()),
-                               video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
-                                               pa_liquid.x1(), pa_liquid.y1()),
-                               video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
-                                               pa_liquid.x1(), pa_liquid.y0()),
-                               video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
-                                               pa_liquid.x0(), pa_liquid.y0()),
+                               video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,1),
+                               video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,1),
+                               video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c, 1,0),
+                               video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c, 0,0),
                        };
 
                        v3f offset(p.X*BS, p.Y*BS + (-0.5+node_liquid_level)*BS, p.Z*BS);
@@ -386,7 +419,6 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        */
                        TileSpec tile_liquid = f.special_tiles[0];
                        TileSpec tile_liquid_bfculled = f.special_tiles[1];
-                       AtlasPointer &pa_liquid = tile_liquid.texture;
 
                        bool top_is_same_liquid = false;
                        MapNode ntop = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y+1,z));
@@ -400,18 +432,19 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        // it at what it emits, for an increased effect
                        u8 light_source = nodedef->get(n).light_source;
                        if(light_source != 0){
-                               //l = decode_light(undiminish_light(light_source));
                                l = decode_light(light_source);
                                l = l | (l<<8);
                        }
                        // Use the light of the node on top if possible
                        else if(nodedef->get(ntop).param_type == CPT_LIGHT)
-                               l = getInteriorLight(ntop, 0, data);
+                               l = getInteriorLight(ntop, 0, nodedef);
                        // Otherwise use the light of this node (the liquid)
                        else
-                               l = getInteriorLight(n, 0, data);
-                       video::SColor c = MapBlock_LightColor(f.alpha, l, decode_light(f.light_source));
+                               l = getInteriorLight(n, 0, nodedef);
+                       video::SColor c = MapBlock_LightColor(f.alpha, l, f.light_source);
                        
+                       u8 range = rangelim(nodedef->get(c_flowing).liquid_range, 1, 8);
+
                        // Neighbor liquid levels (key = relative position)
                        // Includes current node
                        std::map<v3s16, f32> neighbor_levels;
@@ -443,9 +476,14 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 
                                        if(n2.getContent() == c_source)
                                                level = (-0.5+node_liquid_level) * BS;
-                                       else if(n2.getContent() == c_flowing)
-                                               level = (-0.5 + ((float)(n2.param2&LIQUID_LEVEL_MASK)
-                                                               + 0.5) / (float)LIQUID_LEVEL_SOURCE * node_liquid_level) * BS;
+                                       else if(n2.getContent() == c_flowing){
+                                               u8 liquid_level = (n2.param2&LIQUID_LEVEL_MASK);
+                                               if (liquid_level <= LIQUID_LEVEL_MAX+1-range)
+                                                       liquid_level = 0;
+                                               else
+                                                       liquid_level -= (LIQUID_LEVEL_MAX+1-range);
+                                               level = (-0.5 + ((float)liquid_level+ 0.5) / (float)range * node_liquid_level) * BS;
+                                       }
 
                                        // Check node above neighbor.
                                        // NOTE: This doesn't get executed if neighbor
@@ -566,14 +604,10 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                                
                                video::S3DVertex vertices[4] =
                                {
-                                       video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
-                                                       pa_liquid.x0(), pa_liquid.y1()),
-                                       video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
-                                                       pa_liquid.x1(), pa_liquid.y1()),
-                                       video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
-                                                       pa_liquid.x1(), pa_liquid.y0()),
-                                       video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
-                                                       pa_liquid.x0(), pa_liquid.y0()),
+                                       video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,1),
+                                       video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,1),
+                                       video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,0),
+                                       video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,0),
                                };
                                
                                /*
@@ -647,14 +681,10 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        {
                                video::S3DVertex vertices[4] =
                                {
-                                       video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
-                                                       pa_liquid.x0(), pa_liquid.y1()),
-                                       video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
-                                                       pa_liquid.x1(), pa_liquid.y1()),
-                                       video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
-                                                       pa_liquid.x1(), pa_liquid.y0()),
-                                       video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
-                                                       pa_liquid.x0(), pa_liquid.y0()),
+                                       video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,1),
+                                       video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,1),
+                                       video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c, 1,0),
+                                       video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c, 0,0),
                                };
                                
                                // To get backface culling right, the vertices need to go
@@ -675,48 +705,36 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                                // -Z towards +Z, thus the direction is +Z.
                                // Rotate texture to make animation go in flow direction
                                // Positive if liquid moves towards +Z
-                               int dz = (corner_levels[side_corners[3][0]] +
+                               f32 dz = (corner_levels[side_corners[3][0]] +
                                                corner_levels[side_corners[3][1]]) -
                                                (corner_levels[side_corners[2][0]] +
                                                corner_levels[side_corners[2][1]]);
                                // Positive if liquid moves towards +X
-                               int dx = (corner_levels[side_corners[1][0]] +
+                               f32 dx = (corner_levels[side_corners[1][0]] +
                                                corner_levels[side_corners[1][1]]) -
                                                (corner_levels[side_corners[0][0]] +
                                                corner_levels[side_corners[0][1]]);
-                               // -X
-                               if(-dx >= abs(dz))
-                               {
-                                       v2f t = vertices[0].TCoords;
-                                       vertices[0].TCoords = vertices[1].TCoords;
-                                       vertices[1].TCoords = vertices[2].TCoords;
-                                       vertices[2].TCoords = vertices[3].TCoords;
-                                       vertices[3].TCoords = t;
-                               }
-                               // +X
-                               if(dx >= abs(dz))
-                               {
-                                       v2f t = vertices[0].TCoords;
-                                       vertices[0].TCoords = vertices[3].TCoords;
-                                       vertices[3].TCoords = vertices[2].TCoords;
-                                       vertices[2].TCoords = vertices[1].TCoords;
-                                       vertices[1].TCoords = t;
-                               }
-                               // -Z
-                               if(-dz >= abs(dx))
+                               f32 tcoord_angle = atan2(dz, dx) * core::RADTODEG ;
+                               v2f tcoord_center(0.5, 0.5);
+                               v2f tcoord_translate(
+                                               blockpos_nodes.Z + z,
+                                               blockpos_nodes.X + x);
+                               tcoord_translate.rotateBy(tcoord_angle);
+                               tcoord_translate.X -= floor(tcoord_translate.X);
+                               tcoord_translate.Y -= floor(tcoord_translate.Y);
+
+                               for(s32 i=0; i<4; i++)
                                {
-                                       v2f t = vertices[0].TCoords;
-                                       vertices[0].TCoords = vertices[3].TCoords;
-                                       vertices[3].TCoords = vertices[2].TCoords;
-                                       vertices[2].TCoords = vertices[1].TCoords;
-                                       vertices[1].TCoords = t;
-                                       t = vertices[0].TCoords;
-                                       vertices[0].TCoords = vertices[3].TCoords;
-                                       vertices[3].TCoords = vertices[2].TCoords;
-                                       vertices[2].TCoords = vertices[1].TCoords;
-                                       vertices[1].TCoords = t;
+                                       vertices[i].TCoords.rotateBy(
+                                                       tcoord_angle,
+                                                       tcoord_center);
+                                       vertices[i].TCoords += tcoord_translate;
                                }
 
+                               v2f t = vertices[0].TCoords;
+                               vertices[0].TCoords = vertices[2].TCoords;
+                               vertices[2].TCoords = t;
+
                                u16 indices[] = {0,1,2,2,3,0};
                                // Add to mesh collector
                                collector.append(tile_liquid, vertices, 4, indices, 6);
@@ -725,10 +743,9 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                case NDT_GLASSLIKE:
                {
                        TileSpec tile = getNodeTile(n, p, v3s16(0,0,0), data);
-                       AtlasPointer ap = tile.texture;
 
-                       u16 l = getInteriorLight(n, 1, data);
-                       video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+                       u16 l = getInteriorLight(n, 1, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
 
                        for(u32 j=0; j<6; j++)
                        {
@@ -741,14 +758,10 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 
                                // The face at Z+
                                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,
-                                               ap.x1(), ap.y1()),
-                                       video::S3DVertex(BS/2,BS/2,BS/2, 0,0,0, c,
-                                               ap.x1(), ap.y0()),
-                                       video::S3DVertex(-BS/2,BS/2,BS/2, 0,0,0, c,
-                                               ap.x0(), ap.y0()),
+                                       video::S3DVertex(-BS/2,-BS/2,BS/2, 0,0,0, c, 1,1),
+                                       video::S3DVertex(BS/2,-BS/2,BS/2, 0,0,0, c, 0,1),
+                                       video::S3DVertex(BS/2,BS/2,BS/2, 0,0,0, c, 0,0),
+                                       video::S3DVertex(-BS/2,BS/2,BS/2, 0,0,0, c, 1,0),
                                };
                                
                                // Rotations in the g_6dirs format
@@ -790,14 +803,37 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                                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));
+
+                       u8 i;
+                       TileSpec tiles[6];
+                       for (i = 0; i < 6; i++)
+                               tiles[i] = getNodeTile(n, p, dirs[i], data);
+                       
+                       TileSpec glass_tiles[6];
+                       if (tiles[1].texture && tiles[2].texture && tiles[3].texture) {
+                               glass_tiles[0] = tiles[2];
+                               glass_tiles[1] = tiles[3];
+                               glass_tiles[2] = tiles[1];
+                               glass_tiles[3] = tiles[1];
+                               glass_tiles[4] = tiles[1];
+                               glass_tiles[5] = tiles[1];
+                       } else {
+                               for (i = 0; i < 6; i++)
+                                       glass_tiles[i] = tiles[1];      
+                       }
+                       
+                       u8 param2 = n.getParam2();
+                       bool H_merge = ! bool(param2 & 128);
+                       bool V_merge = ! bool(param2 & 64);
+                       param2  = param2 & 63;
+                       
+                       u16 l = getInteriorLight(n, 1, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
                        v3f pos = intToFloat(p, BS);
-                       static const float a=BS/2;
-                       static const float b=.876*(BS/2);
+                       static const float a = BS / 2;
+                       static const float g = a - 0.003;
+                       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+
@@ -812,66 +848,117 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                                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-
+                       static const aabb3f glass_faces[6] = {
+                               aabb3f(-g, g,-g, g, g, g), // y+
+                               aabb3f(-g,-g,-g, g,-g, g), // y-
+                               aabb3f( g,-g,-g, g, g, g), // x+
+                               aabb3f(-g,-g,-g,-g, g, g), // x-
+                               aabb3f(-g,-g, g, g, g, g), // z+
+                               aabb3f(-g,-g,-g, g, g,-g)  // z-
                        };
                        
+                       // table of node visible faces, 0 = invisible
                        int visible_faces[6] = {0,0,0,0,0,0};
+                       
+                       // table of neighbours, 1 = same type, checked with g_26dirs
                        int nb[18] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
-                       u8 i;
+                       
+                       // g_26dirs to check when only horizontal merge is allowed
+                       int nb_H_dirs[8] = {0,2,3,5,10,11,12,13};
+                       
                        content_t current = n.getContent();
-                       content_t content;
+                       content_t n2c;
                        MapNode n2;
                        v3s16 n2p;
-                       for(i=0; i<18; i++)
-                       {
-                               n2p = blockpos_nodes + p + g_26dirs[i];
+
+                       // neighbours checks for frames visibility
+
+                       if (!H_merge && V_merge) {
+                               n2p = blockpos_nodes + p + g_26dirs[1];
                                n2 = data->m_vmanip.getNodeNoEx(n2p);
-                               content_t n2c = n2.getContent();
-                               //TODO: remove CONTENT_IGNORE check when getNodeNoEx is fixed
+                               n2c = n2.getContent();
                                if (n2c == current || n2c == CONTENT_IGNORE)
-                                       nb[i]=1;
-                       }
-                       for(i=0; i<6; i++)
-                       {
-                               n2p = blockpos_nodes + p + dirs[i];
+                                       nb[1] = 1;
+                               n2p = blockpos_nodes + p + g_26dirs[4];
                                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;
+                               n2c = n2.getContent();
+                               if (n2c == current || n2c == CONTENT_IGNORE)
+                                       nb[4] = 1;      
+                       } else if (H_merge && !V_merge) {
+                               for(i = 0; i < 8; i++) {
+                                       n2p = blockpos_nodes + p + g_26dirs[nb_H_dirs[i]];
+                                       n2 = data->m_vmanip.getNodeNoEx(n2p);
+                                       n2c = n2.getContent();
+                                       if (n2c == current || n2c == CONTENT_IGNORE)
+                                               nb[nb_H_dirs[i]] = 1;           
+                               }
+                       } else if (H_merge && V_merge) {
+                               for(i = 0; i < 18; i++) {
+                                       n2p = blockpos_nodes + p + g_26dirs[i];
+                                       n2 = data->m_vmanip.getNodeNoEx(n2p);
+                                       n2c = n2.getContent();
+                                       if (n2c == current || n2c == CONTENT_IGNORE)
+                                               nb[i] = 1;
+                               }
+                       }
+
+                       // faces visibility checks
+
+                       if (!V_merge) {
+                               visible_faces[0] = 1;
+                               visible_faces[1] = 1;
+                       } else {
+                               for(i = 0; i < 2; i++) {
+                                       n2p = blockpos_nodes + p + dirs[i];
+                                       n2 = data->m_vmanip.getNodeNoEx(n2p);
+                                       n2c = n2.getContent();
+                                       if (n2c != current)
+                                               visible_faces[i] = 1;
+                               }
+                       }
+                               
+                       if (!H_merge) {
+                               visible_faces[2] = 1;
+                               visible_faces[3] = 1;
+                               visible_faces[4] = 1;
+                               visible_faces[5] = 1;
+                       } else {
+                               for(i = 2; i < 6; i++) {
+                                       n2p = blockpos_nodes + p + dirs[i];
+                                       n2 = data->m_vmanip.getNodeNoEx(n2p);
+                                       n2c = n2.getContent();
+                                       if (n2c != current)
+                                               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;
+                       f32 tx1, ty1, tz1, tx2, ty2, tz2;
                        aabb3f box;
-                       for(i=0; i<12; i++)
+
+                       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]];
+                               if (nb[nb_triplet[i*3+2]])
+                                       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]];
+                                       edge_invisible = nb[nb_triplet[i*3]] ^ nb[nb_triplet[i*3+1]];
                                if (edge_invisible)
                                        continue;
-                               box=frame_edges[i];
+                               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;
+                               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,
@@ -882,19 +969,20 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                                };
                                makeCuboid(&collector, box, &tiles[0], 1, c, txc1);
                        }
-                       for(i=0; i<6; i++)
+
+                       for(i = 0; i < 6; i++)
                        {
-                               if (visible_faces[i]==0)
+                               if (!visible_faces[i])
                                        continue;
-                               box=glass_faces[i];
+                               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;
+                               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,
@@ -903,17 +991,49 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                                        1-tx2, 1-ty2, 1-tx1, 1-ty1,
                                        tx1,   1-ty2,   tx2, 1-ty1,
                                };
-                               makeCuboid(&collector, box, &tiles[1], 1, c, txc2);
+                               makeCuboid(&collector, box, &glass_tiles[i], 1, c, txc2);
+                       }
+
+                       if (param2 > 0 && f.special_tiles[0].texture) {
+                               // Interior volume level is in range 0 .. 63,
+                               // convert it to -0.5 .. 0.5
+                               float vlev = (((float)param2 / 63.0 ) * 2.0 - 1.0);
+                               TileSpec interior_tiles[6];
+                               for (i = 0; i < 6; i++)
+                                       interior_tiles[i] = f.special_tiles[0];
+                               float offset = 0.003;
+                               box = aabb3f(visible_faces[3] ? -b : -a + offset,
+                                                        visible_faces[1] ? -b : -a + offset,
+                                                        visible_faces[5] ? -b : -a + offset,
+                                                        visible_faces[2] ? b : a - offset,
+                                                        visible_faces[0] ? b * vlev : a * vlev - offset,
+                                                        visible_faces[4] ? b : a - offset);
+                               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 txc3[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, interior_tiles, 6, c,  txc3);
                        }
                break;}
                case NDT_ALLFACES:
                {
                        TileSpec tile_leaves = getNodeTile(n, p,
                                        v3s16(0,0,0), data);
-                       AtlasPointer pa_leaves = tile_leaves.texture;
 
-                       u16 l = getInteriorLight(n, 1, data);
-                       video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+                       u16 l = getInteriorLight(n, 1, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
 
                        v3f pos = intToFloat(p, BS);
                        aabb3f box(-BS/2,-BS/2,-BS/2,BS/2,BS/2,BS/2);
@@ -945,22 +1065,17 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        tile.material_flags &= ~MATERIAL_FLAG_BACKFACE_CULLING;
                        tile.material_flags |= MATERIAL_FLAG_CRACK_OVERLAY;
 
-                       AtlasPointer ap = tile.texture;
-
-                       u16 l = getInteriorLight(n, 1, data);
-                       video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+                       u16 l = getInteriorLight(n, 1, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
 
+                       float s = BS/2*f.visual_scale;
                        // Wall at X+ of node
                        video::S3DVertex vertices[4] =
                        {
-                               video::S3DVertex(-BS/2,-BS/2,0, 0,0,0, c,
-                                               ap.x0(), ap.y1()),
-                               video::S3DVertex(BS/2,-BS/2,0, 0,0,0, c,
-                                               ap.x1(), ap.y1()),
-                               video::S3DVertex(BS/2,BS/2,0, 0,0,0, c,
-                                               ap.x1(), ap.y0()),
-                               video::S3DVertex(-BS/2,BS/2,0, 0,0,0, c,
-                                               ap.x0(), ap.y0()),
+                               video::S3DVertex(-s,-s,0, 0,0,0, c, 0,1),
+                               video::S3DVertex( s,-s,0, 0,0,0, c, 1,1),
+                               video::S3DVertex( s, s,0, 0,0,0, c, 1,0),
+                               video::S3DVertex(-s, s,0, 0,0,0, c, 0,0),
                        };
 
                        for(s32 i=0; i<4; i++)
@@ -990,23 +1105,19 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        TileSpec tile = getNodeTileN(n, p, 0, data);
                        tile.material_flags &= ~MATERIAL_FLAG_BACKFACE_CULLING;
                        tile.material_flags |= MATERIAL_FLAG_CRACK_OVERLAY;
-                       AtlasPointer ap = tile.texture;
 
-                       u16 l = getInteriorLight(n, 0, data);
-                       video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+                       u16 l = getInteriorLight(n, 0, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
                                
                        float d = (float)BS/16;
+                       float s = BS/2*f.visual_scale;
                        // Wall at X+ of node
                        video::S3DVertex vertices[4] =
                        {
-                               video::S3DVertex(BS/2-d,BS/2,BS/2, 0,0,0, c,
-                                               ap.x0(), ap.y0()),
-                               video::S3DVertex(BS/2-d,BS/2,-BS/2, 0,0,0, c,
-                                               ap.x1(), ap.y0()),
-                               video::S3DVertex(BS/2-d,-BS/2,-BS/2, 0,0,0, c,
-                                               ap.x1(), ap.y1()),
-                               video::S3DVertex(BS/2-d,-BS/2,BS/2, 0,0,0, c,
-                                               ap.x0(), ap.y1()),
+                               video::S3DVertex(BS/2-d,  s,  s, 0,0,0, c, 0,0),
+                               video::S3DVertex(BS/2-d,  s, -s, 0,0,0, c, 1,0),
+                               video::S3DVertex(BS/2-d, -s, -s, 0,0,0, c, 1,1),
+                               video::S3DVertex(BS/2-d, -s,  s, 0,0,0, c, 0,1),
                        };
 
                        v3s16 dir = n.getWallMountedDir(nodedef);
@@ -1037,36 +1148,31 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                {
                        TileSpec tile = getNodeTileN(n, p, 0, data);
                        tile.material_flags |= MATERIAL_FLAG_CRACK_OVERLAY;
-                       AtlasPointer ap = tile.texture;
                        
-                       u16 l = getInteriorLight(n, 1, data);
-                       video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+                       u16 l = getInteriorLight(n, 1, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
+
+                       float s = BS/2*f.visual_scale;
 
                        for(u32 j=0; j<2; j++)
                        {
                                video::S3DVertex vertices[4] =
                                {
-                                       video::S3DVertex(-BS/2*f.visual_scale,-BS/2,0, 0,0,0, c,
-                                               ap.x0(), ap.y1()),
-                                       video::S3DVertex( BS/2*f.visual_scale,-BS/2,0, 0,0,0, c,
-                                               ap.x1(), ap.y1()),
-                                       video::S3DVertex( BS/2*f.visual_scale,
-                                               -BS/2 + f.visual_scale*BS,0, 0,0,0, c,
-                                               ap.x1(), ap.y0()),
-                                       video::S3DVertex(-BS/2*f.visual_scale,
-                                               -BS/2 + f.visual_scale*BS,0, 0,0,0, c,
-                                               ap.x0(), ap.y0()),
+                                       video::S3DVertex(-s,-BS/2,      0, 0,0,0, c, 0,1),
+                                       video::S3DVertex( s,-BS/2,      0, 0,0,0, c, 1,1),
+                                       video::S3DVertex( s,-BS/2 + s*2,0, 0,0,0, c, 1,0),
+                                       video::S3DVertex(-s,-BS/2 + s*2,0, 0,0,0, c, 0,0),
                                };
 
                                if(j == 0)
                                {
                                        for(u16 i=0; i<4; i++)
-                                               vertices[i].Pos.rotateXZBy(45);
+                                               vertices[i].Pos.rotateXZBy(46 + n.param2 * 2);
                                }
                                else if(j == 1)
                                {
                                        for(u16 i=0; i<4; i++)
-                                               vertices[i].Pos.rotateXZBy(-45);
+                                               vertices[i].Pos.rotateXZBy(-44 + n.param2 * 2);
                                }
 
                                for(u16 i=0; i<4; i++)
@@ -1085,15 +1191,13 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        TileSpec tile = getNodeTile(n, p, v3s16(0,0,0), data);
                        TileSpec tile_nocrack = tile;
                        tile_nocrack.material_flags &= ~MATERIAL_FLAG_CRACK;
-                       
-                       // A hack to put wood the right way around in the posts
-                       ITextureSource *tsrc = data->m_gamedef->tsrc();
+
+                       // Put wood the right way around in the posts
                        TileSpec tile_rot = tile;
-                       tile_rot.texture = tsrc->getTexture(tsrc->getTextureName(
-                                       tile.texture.id) + "^[transformR90");
-                                       
-                       u16 l = getInteriorLight(n, 1, data);
-                       video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+                       tile_rot.rotation = 1;
+
+                       u16 l = getInteriorLight(n, 1, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
 
                        const f32 post_rad=(f32)BS/8;
                        const f32 bar_rad=(f32)BS/16;
@@ -1188,34 +1292,81 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        MapNode n_minus_z_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y+1, z-1));
                        MapNode n_plus_z_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y-1, z+1));
                        MapNode n_minus_z_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y-1, z-1));
-                       
+
                        content_t thiscontent = n.getContent();
-                       if(n_minus_x.getContent() == thiscontent)
+                       std::string groupname = "connect_to_raillike"; // name of the group that enables connecting to raillike nodes of different kind
+                       bool self_connect_to_raillike = ((ItemGroupList) nodedef->get(n).groups)[groupname] != 0;
+
+                       if ((nodedef->get(n_minus_x).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_minus_x).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_minus_x.getContent() == thiscontent)
                                is_rail_x[0] = true;
-                       if (n_minus_x_minus_y.getContent() == thiscontent)
+
+                       if ((nodedef->get(n_minus_x_minus_y).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_minus_x_minus_y).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_minus_x_minus_y.getContent() == thiscontent)
                                is_rail_x_minus_y[0] = true;
-                       if(n_minus_x_plus_y.getContent() == thiscontent)
+
+                       if ((nodedef->get(n_minus_x_plus_y).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_minus_x_plus_y).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_minus_x_plus_y.getContent() == thiscontent)
                                is_rail_x_plus_y[0] = true;
 
-                       if(n_plus_x.getContent() == thiscontent)
+                       if ((nodedef->get(n_plus_x).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_plus_x).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_plus_x.getContent() == thiscontent)
                                is_rail_x[1] = true;
-                       if (n_plus_x_minus_y.getContent() == thiscontent)
+
+                       if ((nodedef->get(n_plus_x_minus_y).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_plus_x_minus_y).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_plus_x_minus_y.getContent() == thiscontent)
                                is_rail_x_minus_y[1] = true;
-                       if(n_plus_x_plus_y.getContent() == thiscontent)
+
+                       if ((nodedef->get(n_plus_x_plus_y).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_plus_x_plus_y).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_plus_x_plus_y.getContent() == thiscontent)
                                is_rail_x_plus_y[1] = true;
 
-                       if(n_minus_z.getContent() == thiscontent)
+                       if ((nodedef->get(n_minus_z).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_minus_z).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_minus_z.getContent() == thiscontent)
                                is_rail_z[0] = true;
-                       if (n_minus_z_minus_y.getContent() == thiscontent)
+
+                       if ((nodedef->get(n_minus_z_minus_y).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_minus_z_minus_y).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_minus_z_minus_y.getContent() == thiscontent)
                                is_rail_z_minus_y[0] = true;
-                       if(n_minus_z_plus_y.getContent() == thiscontent)
+
+                       if ((nodedef->get(n_minus_z_plus_y).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_minus_z_plus_y).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_minus_z_plus_y.getContent() == thiscontent)
                                is_rail_z_plus_y[0] = true;
 
-                       if(n_plus_z.getContent() == thiscontent)
+                       if ((nodedef->get(n_plus_z).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_plus_z).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_plus_z.getContent() == thiscontent)
                                is_rail_z[1] = true;
-                       if (n_plus_z_minus_y.getContent() == thiscontent)
+
+                       if ((nodedef->get(n_plus_z_minus_y).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_plus_z_minus_y).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_plus_z_minus_y.getContent() == thiscontent)
                                is_rail_z_minus_y[1] = true;
-                       if(n_plus_z_plus_y.getContent() == thiscontent)
+
+                       if ((nodedef->get(n_plus_z_plus_y).drawtype == NDT_RAILLIKE
+                                       && ((ItemGroupList) nodedef->get(n_plus_z_plus_y).groups)[groupname] != 0
+                                       && self_connect_to_raillike)
+                                       || n_plus_z_plus_y.getContent() == thiscontent)
                                is_rail_z_plus_y[1] = true;
 
                        bool is_rail_x_all[] = {false, false};
@@ -1255,7 +1406,8 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                                if(is_rail_x_all[0] && is_rail_x_all[1])
                                        angle = 90;
                                if(is_rail_z_all[0] && is_rail_z_all[1]){
-                                       if (n_minus_z_plus_y.getContent() == thiscontent) angle = 180;
+                                       if (is_rail_z_plus_y[0])
+                                               angle = 180;
                                }
                                else if(is_rail_x_all[0] && is_rail_z_all[0])
                                        angle = 270;
@@ -1293,10 +1445,8 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        tile.material_flags &= ~MATERIAL_FLAG_BACKFACE_CULLING;
                        tile.material_flags |= MATERIAL_FLAG_CRACK_OVERLAY;
 
-                       AtlasPointer ap = tile.texture;
-                       
-                       u16 l = getInteriorLight(n, 0, data);
-                       video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+                       u16 l = getInteriorLight(n, 0, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
 
                        float d = (float)BS/64;
                        
@@ -1306,14 +1456,10 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 
                        video::S3DVertex vertices[4] =
                        {
-                                       video::S3DVertex(-BS/2,-BS/2+d,-BS/2, 0,0,0, c,
-                                                       ap.x0(), ap.y1()),
-                                       video::S3DVertex(BS/2,-BS/2+d,-BS/2, 0,0,0, c,
-                                                       ap.x1(), ap.y1()),
-                                       video::S3DVertex(BS/2,g*BS/2+d,BS/2, 0,0,0, c,
-                                                       ap.x1(), ap.y0()),
-                                       video::S3DVertex(-BS/2,g*BS/2+d,BS/2, 0,0,0, c,
-                                                       ap.x0(), ap.y0()),
+                                       video::S3DVertex(-BS/2,-BS/2+d,-BS/2, 0,0,0, c, 0,1),
+                                       video::S3DVertex(BS/2,-BS/2+d,-BS/2, 0,0,0, c, 1,1),
+                                       video::S3DVertex(BS/2,g*BS/2+d,BS/2, 0,0,0, c, 1,0),
+                                       video::S3DVertex(-BS/2,g*BS/2+d,BS/2, 0,0,0, c, 0,0),
                        };
 
                        for(s32 i=0; i<4; i++)
@@ -1338,8 +1484,8 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
                        };
                        TileSpec tiles[6];
                        
-                       u16 l = getInteriorLight(n, 0, data);
-                       video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
+                       u16 l = getInteriorLight(n, 1, nodedef);
+                       video::SColor c = MapBlock_LightColor(255, l, f.light_source);
 
                        v3f pos = intToFloat(p, BS);