public Piece Move(Position origin, Position destination)
{
Piece p = Board.RemovePiece(origin);
p.AddMoveCount();
Piece pieceCaptured = Board.RemovePiece(destination);
Board.InsertPiece(p, destination);
if (pieceCaptured != null)
{
Captured.Add(pieceCaptured);
}
// #SpecialMove Castling short
if (p is King && destination.Column == origin.Column + 2)
{
Position RookOrigin = new Position(origin.Line, origin.Column + 3);
Position RookDestination = new Position(origin.Line, origin.Column + 1);
Piece R = Board.RemovePiece(RookOrigin);
R.AddMoveCount();
Board.InsertPiece(R, RookDestination);
}
// #SpecialMove Castling long
if (p is King && destination.Column == origin.Column - 2)
{
Position RookOrigin = new Position(origin.Line, origin.Column - 4);
Position RookDestination = new Position(origin.Line, origin.Column - 1);
Piece R = Board.RemovePiece(RookOrigin);
R.AddMoveCount();
Board.InsertPiece(R, RookDestination);
}
// #SpecialMove En Passant
if (p is Pawn)
{
if (origin.Column != destination.Column && pieceCaptured == null)
{
Position posP;
if (p.Color == Color.White)
{
posP = new Position(destination.Line + 1, destination.Column);
}
else
{
posP = new Position(destination.Line - 1, destination.Column);
}
pieceCaptured = Board.RemovePiece(posP);
Captured.Add(pieceCaptured);
}
}
return(pieceCaptured);
}
