Glasslike_framed drawtype rework.
authorRealBadAngel <maciej.kasatkin@o2.pl>
Sun, 29 Jun 2014 08:41:49 +0000 (10:41 +0200)
committerRealBadAngel <maciej.kasatkin@o2.pl>
Sun, 29 Jun 2014 15:50:37 +0000 (17:50 +0200)
src/content_mapblock.cpp

index 3637094f99fa77ed48aa51614e424cc1bdf35fe0..9078488c26552b7bd9fa270c3b4c10c5b76f640c 100644 (file)
@@ -755,14 +755,37 @@ 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);
+
+                       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, 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 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+
@@ -777,66 +800,117 @@ 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,
@@ -847,19 +921,20 @@ 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,
@@ -868,7 +943,40 @@ 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){
+                               // 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: