private void BuildSolidMesh(BlockMeshBuilder builder, int x, int y, int z)
{
System.Func <BaseBlock, bool> isValidBlock = (block) =>
{
return(block.Traits.IsTransparent());
};
if ((y == Chunk.Depth - 1) || (y + 1 < Chunk.Depth && isValidBlock(chunk[x, y + 1, z])))
{
builder.AddXZ2Plane();
}
if ((y - 1 >= 0 && isValidBlock(chunk[x, y - 1, z])))
{
builder.AddXZPlane();
}
if ((z == Chunk.Size - 1) || (z + 1 < Chunk.Size && isValidBlock(chunk[x, y, z + 1])))
{
builder.AddXY2Plane();
}
if ((z == 0) || (z - 1 >= 0 && isValidBlock(chunk[x, y, z - 1])))
{
builder.AddXYPlane();
}
if ((x == Chunk.Size - 1) || (x + 1 < Chunk.Size && isValidBlock(chunk[x + 1, y, z])))
{
builder.AddYZ2Plane();
}
if ((x == 0) || (x - 1 >= 0 && isValidBlock(chunk[x - 1, y, z])))
{
builder.AddYZPlane();
}
}
public ChunkMesh Create()
{
var builderForRenderer = new BlockMeshBuilder(subMeshCount: 2);
var builderForCollider = new BlockMeshBuilder(subMeshCount: 1);
var textureFactory = new BlockTextureFactory();
for (int y = 0; y < Chunk.Depth; y++)
{
for (int x = 0; x < Chunk.Size; x++)
{
for (int z = 0; z < Chunk.Size; z++)
{
var block = chunk[x, y, z];
if (block.Traits.MatterType == BlockTraits.MatterTypeEnum.Void)
{
continue;
}
var position = new Vector3(x, y, z);
var texture = textureFactory.Create(block);
if (block.Traits.MatterType == BlockTraits.MatterTypeEnum.Solid)
{
builderForCollider.AddBlockMesh(position, texture, 0);
BuildSolidMesh(builderForCollider, x, y, z);
}
if (block.Traits.IsTransparent())
{
builderForRenderer.AddBlockMesh(position, texture, TransparentSubMeshIndex);
if (block.Traits.MatterType == BlockTraits.MatterTypeEnum.Solid)
{
BuildSolidMesh(builderForRenderer, x, y, z);
}
else if (block.Traits.MatterType == BlockTraits.MatterTypeEnum.Fluid)
{
BuildFluidMesh(builderForRenderer, x, y, z);
}
}
else
{
builderForRenderer.AddBlockMesh(position, texture, OpaqueSubMeshIndex);
if (block.Traits.MatterType == BlockTraits.MatterTypeEnum.Solid)
{
BuildSolidMesh(builderForRenderer, x, y, z);
}
else if (block.Traits.MatterType == BlockTraits.MatterTypeEnum.Fluid)
{
BuildFluidMesh(builderForRenderer, x, y, z);
}
}
}
}
}
var meshFilter = chunk.GameObjects["Chunk"].GetComponent <MeshFilter>();
var meshCollider = chunk.GameObjects["Chunk"].GetComponent <MeshCollider>();
var mesh = new ChunkMesh();
mesh.renderer = builderForRenderer.ToMesh(meshFilter.sharedMesh);
mesh.collider = builderForCollider.ToMesh(meshCollider.sharedMesh);
return(mesh);
}
