public void undoMovement(Position origin, Position destiny, Piece capturedPiece)
{
Piece piece = board.RemovePiece(destiny);
piece.decreaseMovementAmount();
if (capturedPiece != null)
{
board.putPiece(capturedPiece, destiny);
captured.Remove(capturedPiece);
}
board.putPiece(piece, origin);
// #special move Castle Kingside
if (piece is King && destiny.column == origin.column + 2)
{
Position originRook = new Position(origin.line, origin.column + 3);
Position destinyRook = new Position(origin.line, origin.column + 1);
Piece rook = board.RemovePiece(destinyRook);
rook.decreaseMovementAmount();
board.putPiece(rook, originRook);
}
// #special move Castle Queenside
if (piece is King && destiny.column == origin.column - 2)
{
Position originRook = new Position(origin.line, origin.column - 4);
Position destinyRook = new Position(origin.line, origin.column - 1);
Piece rook = board.RemovePiece(destinyRook);
rook.decreaseMovementAmount();
board.putPiece(rook, originRook);
}
// #special move en passant
if (piece is Pawn)
{
if (origin.column != destiny.column && capturedPiece == vulnerableEnPassant)
{
Piece pawn = board.RemovePiece(destiny);
Position positionPawn;
if (piece.color == Color.Whrite)
{
positionPawn = new Position(3, destiny.column);
}
else
{
positionPawn = new Position(4, destiny.column);
}
board.putPiece(pawn, positionPawn);
}
}
}
