/**
* Get the mesh for a single block and add it to the given mesh data object.
**/
public virtual MeshData GetBlockMesh(Chunk chunk, int x, int y, int z, MeshData meshData)
{
if(!Register.GetBlockById(chunk.GetBlock(x, y + 1, z)).IsSolid(Direction.UP))
{
meshData = MeshData.CreateFaceUp(chunk, x, y, z, this, meshData, 0.5f);
}
if(!Register.GetBlockById(chunk.GetBlock(x, y - 1, z)).IsSolid(Direction.DOWN))
{
meshData = MeshData.CreateFaceDown(chunk, x, y, z, this, meshData, 0.5f);
}
if(!Register.GetBlockById(chunk.GetBlock(x, y, z + 1)).IsSolid(Direction.NORTH))
{
meshData = MeshData.CreateFaceNorth(chunk, x, y, z, this, meshData, 0.5f);
}
if(!Register.GetBlockById(chunk.GetBlock(x, y, z - 1)).IsSolid(Direction.SOUTH))
{
meshData = MeshData.CreateFaceSouth(chunk, x, y, z, this, meshData, 0.5f);
}
if(!Register.GetBlockById(chunk.GetBlock(x + 1, y, z)).IsSolid(Direction.EAST))
{
meshData = MeshData.CreateFaceEast(chunk, x, y, z, this, meshData, 0.5f);
}
if(!Register.GetBlockById(chunk.GetBlock(x - 1, y, z)).IsSolid(Direction.WEST))
{
meshData = MeshData.CreateFaceWest(chunk, x, y, z, this, meshData, 0.5f);
}
return meshData;
}
/**
* Assemble a downwards facing face.
**/
public static MeshData CreateFaceDown(Chunk chunk, int x, int y, int z, Block block, MeshData meshData, float size)
{
meshData.AddVertex(new Vector3(x - size, y - size, z - size));
meshData.AddVertex(new Vector3(x + size, y - size, z - size));
meshData.AddVertex(new Vector3(x + size, y - size, z + size));
meshData.AddVertex(new Vector3(x - size, y - size, z + size));
meshData.AddQuadTriangles();
meshData.uv.AddRange(MeshData.GetFaceUVs(block, Direction.DOWN));
return meshData;
}
public override MeshData GetBlockMesh(Chunk chunk, int x, int y, int z, MeshData meshData)
{
return meshData;
}
/**
* Update the the linked chunk based on the the data.
**/
public void UpdateChunk()
{
wasRendered = true;
MeshData meshData = new MeshData();
for(int x = 0; x < chunkSize; x++)
{
for(int y = 0; y < chunkSize; y++)
{
for(int z = 0; z < chunkSize; z++)
{
meshData = Register.GetBlockById(blocks[x, y, z]).GetBlockMesh(this, x, y, z, meshData);
}
}
}
renderer.RenderMesh(meshData);
}