public void UndoMoviment(Position origin, Position destiny, Piece takenPiece)
{
Piece p = BoardOfMatch.RemovePiece(destiny);
p.DecrementManyMoves();
if (takenPiece != null)
{
BoardOfMatch.PutPiece(takenPiece, destiny);
CapturedPieces.Remove(takenPiece);
}
BoardOfMatch.PutPiece(p, origin);
// #SpecialMove
// Castle Kingside
if (p is King && destiny.Column == origin.Column + 2)
{
Position originOfRook = new Position(origin.Line, origin.Column + 3);
Position destinyOfRook = new Position(origin.Line, origin.Column + 1);
Piece rook = BoardOfMatch.RemovePiece(destinyOfRook);
rook.DecrementManyMoves();
BoardOfMatch.PutPiece(rook, originOfRook);
}
// Castle Queenside
if (p is King && destiny.Column == origin.Column - 2)
{
Position originOfRook = new Position(origin.Line, origin.Column - 4);
Position destinyOfRook = new Position(origin.Line, origin.Column - 1);
Piece rook = BoardOfMatch.RemovePiece(destinyOfRook);
rook.IncrementManyMoves();
BoardOfMatch.PutPiece(rook, originOfRook);
}
// EnPassant
if (p is Pawn)
{
if (origin.Column != destiny.Column && takenPiece == VulnerableEnPassant)
{
Piece pawn = BoardOfMatch.RemovePiece(destiny);
Position posPawn;
if (p.Color == Color.White)
{
posPawn = new Position(3, destiny.Column);
}
else
{
posPawn = new Position(4, destiny.Column);
}
BoardOfMatch.PutPiece(pawn, posPawn);
}
}
}