public void UpdateBlock(int x, int y, int z, BlockID block)
{
int oldHeight = Lighting.GetLightHeight(x, z) + 1;
World.SetBlock(x, y, z, block);
int newHeight = Lighting.GetLightHeight(x, z) + 1;
MapRenderer.RedrawBlock(x, y, z, block, oldHeight, newHeight);
}