public bool[,] PossibleMoves(ChessPosition sourceChessPosition)
{
Position sourcePosition = sourceChessPosition.ToPosition();
ValidateSourcePosition(sourcePosition);
return(Board.GetPiece(sourcePosition).PossibleMoves());
}
public ChessPiece PerformChessMove(ChessPosition sourceChessPosition, ChessPosition targetChessPosition)
{
Position sourcePosition = sourceChessPosition.ToPosition();
Position targetPosition = targetChessPosition.ToPosition();
ValidateSourcePosition(sourcePosition);
ValidateTargetPosition(sourcePosition, targetPosition);
Piece capturedPiece = MakeMove(sourcePosition, targetPosition);
if (TestCheck(CurrentPlayer))
{
UndoMove(sourcePosition, targetPosition, capturedPiece);
throw new ChessException("You cant put yourself in check.\n");
}
ChessPiece movedPiece = (ChessPiece)Board.GetPiece(targetPosition);
//SpecialMove Promotion
Promoted = null;
if (movedPiece is Pawn)
{
if ((movedPiece.Color == Color.White && targetPosition.Row == 0) || (movedPiece.Color == Color.Black && targetPosition.Row == 7))
{
Promoted = (ChessPiece)Board.GetPiece(targetPosition);
Promoted = ReplacePromotedPiece("Q");
}
}
Check = ((TestCheck(OpponentColor(CurrentPlayer))) ? true : false);
if (TestCheckMate(OpponentColor(CurrentPlayer)))
{
CheckMate = true;
}
else
{
NextTurn();
}
//SpecialMove EnPassant
if (movedPiece is Pawn && (targetPosition.Row == sourcePosition.Row - 2 || targetPosition.Row == sourcePosition.Row + 2))
{
EnPassantVulnerable = movedPiece;
}
else
{
EnPassantVulnerable = null;
}
return((ChessPiece)capturedPiece);
}