private (bool Castled, string Error) CastleQueenSide(Board.Board board)
{
KeyValuePair <int, int> rookPos, rookMove, kingMove;
if (this.Color == PieceColorEnum.Black)
{
rookPos = board.ConvertNotationForMove("a8");
rookMove = board.ConvertNotationForMove("d8");
kingMove = board.ConvertNotationForMove("c8");
}
else
{
rookPos = board.ConvertNotationForMove("a1");
rookMove = board.ConvertNotationForMove("d1");
kingMove = board.ConvertNotationForMove("c1");
}
// can't castle if it puts in check. run a simulation
King kingCopy = (King)board.DeepClone(this);
Board.Board simBoard = (Board.Board)board.DeepClone(board);
simBoard.MovePiece(kingCopy, kingMove.Key, kingMove.Value);
if (!kingCopy.IsInCheck(simBoard))
{
return(false, "castling results in a check");
}
// castle
Rook rook = (Rook)board.Instance[rookPos.Key, rookPos.Value];
board.MovePiece(rook, rookMove.Key, rookMove.Value);
board.MovePiece(this, kingMove.Key, kingMove.Value);
return(true, string.Empty);
}
private void GetAvailableMove(Board.Board board, List <KeyValuePair <int, int> > availableMoves, int rowInterval, int colInterval)
{
var row = this.CurrentLocation_x + rowInterval;
var column = this.CurrentLocation_y + colInterval;
if (board.IsInRange(row, column))
{
var piece = board.Instance[row, column];
if (piece == null || (piece != null && piece.Color != this.Color))
{
var kingCopy = (King)board.DeepClone(this);
var simBoard = (Board.Board)board.DeepClone(board);
simBoard.MovePiece(kingCopy, row, column);
if (!kingCopy.IsInCheck(simBoard))
{
availableMoves.Add(new KeyValuePair <int, int>(row, column));
}
}
}
}