protected override IEnumerable <Block> GetBlocks()
{
if (_blockIds.Length != 0)
{
for (int i = 0; i < BLOCK_COUNT; i++)
{
var blockId = _addBlocks == null || _addBlocks.Length != BLOCK_COUNT
? _blockIds[i]
: (_addBlocks[i] << 8) + _blockIds[i];
int x = XWorld + (i % 16);
int y = (YOrder * 16) + (i / 256);
int z = ZWorld + ((i / 16) % 16);
byte biomeId = _biomeIds[i % 256];
var blockEntity = _parentColumn.BlockEntities.FirstOrDefault(e => e.X == x && e.Y == y && e.Z == z);
yield return(BlockFactory.CreateFromId(blockId, y, z, x, biomeId, _data[i], _blockLight[i],
_skylight[i], blockEntity));
}
}
}