private QuartoNode Clone()
{
QuartoNode clone = new QuartoNode();
clone.pieceToPlace = this.pieceToPlace;
clone.unusedPieces = new List<Piece>(this.unusedPieces);
clone.unusedTiles = new List<byte>(this.unusedTiles);
clone.tiles = new Piece[this.tiles.Length];
this.tiles.CopyTo(clone.tiles, 0);
return clone;
}
static QuartoNode()
{
InitialNode = new QuartoNode();
InitialNode.pieceToPlace = 0;
InitialNode.unusedPieces = new List<Piece>((IEnumerable<Piece>)Enum.GetValues(typeof(Piece)));
InitialNode.unusedTiles = new List<byte>(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 });
InitialNode.tiles = new Piece[16];
}