public void undoTheMove(Position origin, Position destiny, Piece capturedPiece)
{
Piece p = br.throwPiece(destiny);
p.decreaseNoMoviments();
if (capturedPiece != null)
{
br.putPiece(capturedPiece, destiny);
captured.Remove(capturedPiece);
}
br.putPiece(p, origin);
if (p is King && destiny.column == origin.column + 2)
{
Position originR = new Position(origin.line, origin.column + 3);
Position destinyR = new Position(origin.line, origin.column + 1);
Piece R = br.throwPiece(destinyR);
R.decreaseNoMoviments();
br.putPiece(R, originR);
}
//Big Castling
if (p is King && destiny.column == origin.column - 2)
{
Position originR = new Position(origin.line, origin.column - 4);
Position destinyR = new Position(origin.line, origin.column - 1);
Piece R = br.throwPiece(destinyR);
R.decreaseNoMoviments();
br.putPiece(R, originR);
}
//Special moviment en passant
if (p is Pawn)
{
if (origin.column != destiny.column && capturedPiece == vulnerableEnPassant)
{
Piece pawn = br.throwPiece(destiny);
Position posP;
if (p.color == Color.White)
{
posP = new Position(3, destiny.column);
}
else
{
posP = new Position(4, destiny.column);
}
br.putPiece(pawn, posP);
}
}
}