public void Load()
{
Reader.Load(currentFileName);
BlockListLeftFacingOrder = new IBlock[BlockList.Count];
BlockListRightFacingOrder = new IBlock[BlockList.Count];
BlockList.CopyTo(BlockListLeftFacingOrder, 0);
BlockList.CopyTo(BlockListRightFacingOrder, 0);
SortBlocksFacingLeft(BlockListLeftFacingOrder);
SortBlocksFacingRight(BlockListRightFacingOrder);
}