From: Jeija Date: Sat, 3 Mar 2012 18:16:48 +0000 (+0100) Subject: Improve raillike drawtype X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=f21291211caaaa22ee5673adf46615dd46a36285;p=zefram%2Fminetest%2Fminetest_engine.git Improve raillike drawtype --- diff --git a/src/content_mapblock.cpp b/src/content_mapblock.cpp index dc1e1dae..402c4e8b 100644 --- a/src/content_mapblock.cpp +++ b/src/content_mapblock.cpp @@ -883,22 +883,69 @@ void mapblock_mesh_generate_special(MeshMakeData *data, bool is_rail_x [] = { false, false }; /* x-1, x+1 */ bool is_rail_z [] = { false, false }; /* z-1, z+1 */ + bool is_rail_z_minus_y [] = { false, false }; /* z-1, z+1; y-1 */ + bool is_rail_x_minus_y [] = { false, false }; /* x-1, z+1; y-1 */ + bool is_rail_z_plus_y [] = { false, false }; /* z-1, z+1; y+1 */ + bool is_rail_x_plus_y [] = { false, false }; /* x-1, x+1; y+1 */ + MapNode n_minus_x = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1,y,z)); MapNode n_plus_x = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1,y,z)); MapNode n_minus_z = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y,z-1)); MapNode n_plus_z = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y,z+1)); + MapNode n_plus_x_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1, y+1, z)); + MapNode n_plus_x_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1, y-1, z)); + MapNode n_minus_x_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1, y+1, z)); + MapNode n_minus_x_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1, y-1, z)); + MapNode n_plus_z_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y+1, z+1)); + 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) is_rail_x[0] = true; + if (n_minus_x_minus_y.getContent() == thiscontent) + is_rail_x_minus_y[0] = true; + if(n_minus_x_plus_y.getContent() == thiscontent) + is_rail_x_plus_y[0] = true; + if(n_plus_x.getContent() == thiscontent) is_rail_x[1] = true; + if (n_plus_x_minus_y.getContent() == thiscontent) + is_rail_x_minus_y[1] = true; + if(n_plus_x_plus_y.getContent() == thiscontent) + is_rail_x_plus_y[1] = true; + if(n_minus_z.getContent() == thiscontent) is_rail_z[0] = true; + if (n_minus_z_minus_y.getContent() == thiscontent) + is_rail_z_minus_y[0] = true; + if(n_minus_z_plus_y.getContent() == thiscontent) + is_rail_z_plus_y[0] = true; + if(n_plus_z.getContent() == thiscontent) is_rail_z[1] = true; + if (n_plus_z_minus_y.getContent() == thiscontent) + is_rail_z_minus_y[1] = true; + if(n_plus_z_plus_y.getContent() == thiscontent) + is_rail_z_plus_y[1] = true; + + + bool is_rail_x_all[] = {false, false}; + bool is_rail_z_all[] = {false, false}; + is_rail_x_all[0]=is_rail_x[0] || is_rail_x_minus_y[0] || is_rail_x_plus_y[0]; + is_rail_x_all[1]=is_rail_x[1] || is_rail_x_minus_y[1] || is_rail_x_plus_y[1]; + is_rail_z_all[0]=is_rail_z[0] || is_rail_z_minus_y[0] || is_rail_z_plus_y[0]; + is_rail_z_all[1]=is_rail_z[1] || is_rail_z_minus_y[1] || is_rail_z_plus_y[1]; + + bool is_straight = (is_rail_x_all[0] && is_rail_x_all[1]) || (is_rail_z_all[0] && is_rail_z_all[1]);//is really straight, rails on both sides + int adjacencies = is_rail_x_all[0] + is_rail_x_all[1] + is_rail_z_all[0] + is_rail_z_all[1]; - int adjacencies = is_rail_x[0] + is_rail_x[1] + is_rail_z[0] + is_rail_z[1]; + if (is_rail_x_plus_y[0] || is_rail_x_plus_y[1] || is_rail_z_plus_y[0] || is_rail_z_plus_y[1]) //is straight because sloped + { + adjacencies = 5; //5 means sloped + is_straight = true; + } // Assign textures AtlasPointer ap = f.tiles[0].texture; // straight @@ -906,7 +953,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data, ap = f.tiles[0].texture; // straight else if(adjacencies == 2) { - if((is_rail_x[0] && is_rail_x[1]) || (is_rail_z[0] && is_rail_z[1])) + if(is_straight) ap = f.tiles[0].texture; // straight else ap = f.tiles[1].texture; // curved @@ -928,49 +975,71 @@ void mapblock_mesh_generate_special(MeshMakeData *data, u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio, nodedef)); video::SColor c = MapBlock_LightColor(255, l); - float d = (float)BS/16; + float d = (float)BS/64; + + char g=-1; + if (is_rail_x_plus_y[0] || is_rail_x_plus_y[1] || is_rail_z_plus_y[0] || is_rail_z_plus_y[1]) + g=1; //Object is at a slope + 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,-BS/2+d,BS/2, 0,0,0, c, - ap.x1(), ap.y0()), - video::S3DVertex(-BS/2,-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, + 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()), }; + // Rotate textures int angle = 0; if(adjacencies == 1) { - if(is_rail_x[0] || is_rail_x[1]) + if(is_rail_x_all[0] or is_rail_x_all[1]) angle = 90; } - else if(adjacencies == 2) + if(adjacencies == 2) { - if(is_rail_x[0] && is_rail_x[1]) + if(is_rail_x_all[0] && is_rail_x_all[1]) + { angle = 90; - else if(is_rail_x[0] && is_rail_z[0]) + } + if(is_rail_z_all[0] && is_rail_z_all[1]) + { + if (n_minus_z_plus_y.getContent() == thiscontent) angle = 180; + } + else if(is_rail_x_all[0] && is_rail_z_all[0]) angle = 270; - else if(is_rail_x[0] && is_rail_z[1]) + else if(is_rail_x_all[0] && is_rail_z_all[1]) angle = 180; - else if(is_rail_x[1] && is_rail_z[1]) + else if(is_rail_x_all[1] && is_rail_z_all[1]) angle = 90; } - else if(adjacencies == 3) + if(adjacencies == 3) { - if(!is_rail_x[0]) + if(!is_rail_x_all[0]) angle=0; - if(!is_rail_x[1]) + if(!is_rail_x_all[1]) angle=180; - if(!is_rail_z[0]) + if(!is_rail_z_all[0]) angle=90; - if(!is_rail_z[1]) + if(!is_rail_z_all[1]) angle=270; } + //adjacencies 4: Crossing + if(adjacencies == 5) //sloped + { + if(is_rail_z_plus_y[0]) + angle = 180; + if(is_rail_x_plus_y[0]) + angle = 90; + if(is_rail_x_plus_y[1]) + angle = -90; + } if(angle != 0) { for(u16 i=0; i<4; i++)