private void undoMovement(Position origin, Position destiny, Piece deadPiece)
{
Piece p = board.removePiece(destiny);
p.decreaseMovement();
if (deadPiece != null)
{
board.addPiece(deadPiece, destiny);
deadPieces.Remove(deadPiece);
}
board.addPiece(p, origin);
//#jogadaespecial roque pequeno
if (p is King && destiny.column == origin.column + 2)
{
Position rookOrigin = new Position(origin.line, origin.column + 3);
Position rookDestiny = new Position(origin.line, origin.column + 1);
Piece king = board.removePiece(rookDestiny);
king.decreaseMovement();
board.addPiece(king, rookOrigin);
}
//#jogadaespecial roque grande
if (p is King && destiny.column == origin.column - 2)
{
Position rookOrigin = new Position(origin.line, origin.column - 4);
Position rookDestiny = new Position(origin.line, origin.column - 1);
Piece king = board.removePiece(rookDestiny);
king.decreaseMovement();
board.addPiece(king, rookOrigin);
}
//#jogadaespecial en passant
if (p is Pawn)
{
if (origin.column != destiny.column && deadPiece == canSufferEnPassant)
{
Piece pawn = board.removePiece(destiny);
Position pawnPos;
if (p.color == Color.white)
{
pawnPos = new Position(3, p.position.column);
}
else
{
pawnPos = new Position(4, p.position.column);
}
board.addPiece(pawn, pawnPos);
}
}
}