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- static void makeFastFace(TileSpec tile, u16 li0, u16 li1, u16 li2, u16 li3,
- v3f p, v3s16 dir, v3f scale, u8 light_source, core::array<FastFace> &dest)
- {
- FastFace face;
- // Position is at the center of the cube.
- v3f pos = p * BS;
- v3f vertex_pos[4];
- v3s16 vertex_dirs[4];
- getNodeVertexDirs(dir, vertex_dirs);
- v3s16 t;
- switch (tile.rotation)
- {
- case 0:
- break;
- case 1: //R90
- t = vertex_dirs[0];
- vertex_dirs[0] = vertex_dirs[3];
- vertex_dirs[3] = vertex_dirs[2];
- vertex_dirs[2] = vertex_dirs[1];
- vertex_dirs[1] = t;
- break;
- case 2:
- break;
- case 3: //R270
- t = vertex_dirs[0];
- vertex_dirs[0] = vertex_dirs[1];
- vertex_dirs[1] = vertex_dirs[2];
- vertex_dirs[2] = vertex_dirs[3];
- vertex_dirs[3] = t;
- break;
- case 4:
- break;
- case 5:
- break;
- case 6:
- break;
- case 7:
- break;
- case 8:
- break;
- default:
- break;
- }
- for(u16 i=0; i<4; i++)
- {
- vertex_pos[i] = v3f(
- BS/2*vertex_dirs[i].X,
- BS/2*vertex_dirs[i].Y,
- BS/2*vertex_dirs[i].Z
- );
- }
- for(u16 i=0; i<4; i++)
- {
- vertex_pos[i].X *= scale.X;
- vertex_pos[i].Y *= scale.Y;
- vertex_pos[i].Z *= scale.Z;
- vertex_pos[i] += pos;
- }
- f32 abs_scale = 1.;
- if (scale.X < 0.999 || scale.X > 1.001) abs_scale = scale.X;
- else if(scale.Y < 0.999 || scale.Y > 1.001) abs_scale = scale.Y;
- else if(scale.Z < 0.999 || scale.Z > 1.001) abs_scale = scale.Z;
- v3f normal(dir.X, dir.Y, dir.Z);
- u8 alpha = tile.alpha;
- float x0 = tile.texture.pos.X;
- float y0 = tile.texture.pos.Y;
- float w = tile.texture.size.X;
- float h = tile.texture.size.Y;
- face.vertices[0] = video::S3DVertex(vertex_pos[0], normal,
- MapBlock_LightColor(alpha, li0, light_source),
- core::vector2d<f32>(x0+w*abs_scale, y0+h));
- face.vertices[1] = video::S3DVertex(vertex_pos[1], normal,
- MapBlock_LightColor(alpha, li1, light_source),
- core::vector2d<f32>(x0, y0+h));
- face.vertices[2] = video::S3DVertex(vertex_pos[2], normal,
- MapBlock_LightColor(alpha, li2, light_source),
- core::vector2d<f32>(x0, y0));
- face.vertices[3] = video::S3DVertex(vertex_pos[3], normal,
- MapBlock_LightColor(alpha, li3, light_source),
- core::vector2d<f32>(x0+w*abs_scale, y0));
- face.tile = tile;
- dest.push_back(face);
- }
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