public static void ChunkFillUpdate(Chunk chunk, Voxel voxel)
        {
            switch (chunk.fillType)
            {
            case Chunk.FillType.Empty:
                if (voxel.IsSolid())
                {
                    chunk.fillType = Chunk.FillType.Mixed;
                }
                break;

            case Chunk.FillType.Solid:
                if (!voxel.IsSolid())
                {
                    chunk.fillType = Chunk.FillType.Mixed;
                }
                break;

            case Chunk.FillType.Null:
                chunk.fillType = voxel.IsSolid() ? Chunk.FillType.Solid : Chunk.FillType.Empty;
                break;
            }
        }
예제 #2
0
        private static Mesh BasicMesh()
        {
            TerrainGeneratorBase terrainGenerator = chunk.voxelEngineManager.terrainGenerator;
            int index = -1;

            for (int x = 0; x < Chunk.SIZE; x++)
            {
                for (int y = 0; y < Chunk.SIZE; y++)
                {
                    for (int z = 0; z < Chunk.SIZE; z++)
                    {
                        Voxel voxel = chunk.voxelData[++index];
                        Voxel left  = GetAdjVoxelLeft(index, x);
                        Voxel down  = GetAdjVoxelDown(index, y);
                        Voxel back  = GetAdjVoxelBack(index, z);

                        if (voxel.IsSolid())
                        {
                            Color32 color     = new Color32();
                            bool    colorInit = false;

                            // Left
                            if (!left.IsSolid())
                            {
                                colorInit = true;
                                color     = terrainGenerator.DensityColor(voxel);

                                quads.Add(new Quad(
                                              new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
                                              new Vector3(x - 0.5f, y - 0.5f, z + 0.5f),
                                              new Vector3(x - 0.5f, y + 0.5f, z + 0.5f),
                                              new Vector3(x - 0.5f, y + 0.5f, z - 0.5f),
                                              color, Direction.Left));
                            }

                            // Down
                            if (!down.IsSolid())
                            {
                                if (!colorInit)
                                {
                                    colorInit = true;
                                    color     = terrainGenerator.DensityColor(voxel);
                                }

                                quads.Add(new Quad(
                                              new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
                                              new Vector3(x + 0.5f, y - 0.5f, z - 0.5f),
                                              new Vector3(x + 0.5f, y - 0.5f, z + 0.5f),
                                              new Vector3(x - 0.5f, y - 0.5f, z + 0.5f),
                                              color, Direction.Down));
                            }

                            // Back
                            if (!back.IsSolid())
                            {
                                if (!colorInit)
                                {
                                    color = terrainGenerator.DensityColor(voxel);
                                }

                                quads.Add(new Quad(
                                              new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
                                              new Vector3(x - 0.5f, y + 0.5f, z - 0.5f),
                                              new Vector3(x + 0.5f, y + 0.5f, z - 0.5f),
                                              new Vector3(x + 0.5f, y - 0.5f, z - 0.5f),
                                              color, Direction.Back));
                            }
                        }
                        else                         // Voxel not solid
                        {
                            // Left
                            if (left.IsSolid())
                            {
                                quads.Add(new Quad(
                                              new Vector3(x - 0.5f, y + 0.5f, z - 0.5f),
                                              new Vector3(x - 0.5f, y + 0.5f, z + 0.5f),
                                              new Vector3(x - 0.5f, y - 0.5f, z + 0.5f),
                                              new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
                                              terrainGenerator.DensityColor(left), Direction.Right));
                            }

                            // Down
                            if (down.IsSolid())
                            {
                                quads.Add(new Quad(
                                              new Vector3(x - 0.5f, y - 0.5f, z + 0.5f),
                                              new Vector3(x + 0.5f, y - 0.5f, z + 0.5f),
                                              new Vector3(x + 0.5f, y - 0.5f, z - 0.5f),
                                              new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
                                              terrainGenerator.DensityColor(down), Direction.Up));
                            }

                            // Back
                            if (back.IsSolid())
                            {
                                quads.Add(new Quad(
                                              new Vector3(x + 0.5f, y - 0.5f, z - 0.5f),
                                              new Vector3(x + 0.5f, y + 0.5f, z - 0.5f),
                                              new Vector3(x - 0.5f, y + 0.5f, z - 0.5f),
                                              new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
                                              terrainGenerator.DensityColor(back), Direction.Forward));
                            }
                        }
                    }
                }
            }

            if (quads.Count == 0)
            {
                return(null);
            }

            Vector3[] verts   = new Vector3[quads.Count * 4];
            Vector3[] normals = new Vector3[quads.Count * 4];
            //Vector2[] uvs = new Vector2[quads.Count * 4];
            Color32[] colors = new Color32[quads.Count * 4];
            int[]     tris   = new int[quads.Count * 6];

            int vertIndex = 0;
            int triIndex  = 0;

            foreach (Quad quad in quads)
            {
                tris[triIndex++] = vertIndex;
                tris[triIndex++] = vertIndex + 1;
                tris[triIndex++] = vertIndex + 2;
                tris[triIndex++] = vertIndex;
                tris[triIndex++] = vertIndex + 2;
                tris[triIndex++] = vertIndex + 3;

                colors[vertIndex]  = quad.color;
                normals[vertIndex] = directionNormals[(int)quad.direction];
                verts[vertIndex++] = quad.v0;
                colors[vertIndex]  = quad.color;
                normals[vertIndex] = directionNormals[(int)quad.direction];
                verts[vertIndex++] = quad.v1;
                colors[vertIndex]  = quad.color;
                normals[vertIndex] = directionNormals[(int)quad.direction];
                verts[vertIndex++] = quad.v2;
                colors[vertIndex]  = quad.color;
                normals[vertIndex] = directionNormals[(int)quad.direction];
                verts[vertIndex++] = quad.v3;
            }

            Mesh mesh = new Mesh
            {
                vertices  = verts,
                normals   = normals,
                triangles = tris,
                colors32  = colors
            };

            return(mesh);
        }