public void PerformPlay(Position origin, Position destiny)
{
Piece takenPiece = ExecuteMoviment(origin, destiny);
if (IsTheKingInCheck(ActualPlayer))
{
UndoMoviment(origin, destiny, takenPiece);
throw new BoardException("[ERROR] Can't put yourself in check");
}
Piece p = BoardOfMatch.UniquePiece(destiny);
// #SpecialPlay upgrade
if (p is Pawn)
{
if ((p.Color == Color.White && destiny.Line == 0) || (p.Color == Color.Black && destiny.Line == 7))
{
p = BoardOfMatch.RemovePiece(destiny);
Pieces.Remove(p);
Piece queen = new Queen(p.Color, BoardOfMatch);
BoardOfMatch.PutPiece(queen, destiny);
Pieces.Add(queen);
}
}
if (IsTheKingInCheck(AdversaryColor(ActualPlayer)))
{
Check = true;
}
else
{
Check = false;
}
if (IsCheckmate(AdversaryColor(ActualPlayer)))
{
Ended = true;
}
else
{
Turn++;
ChangePlayer();
}
// #SpecialPlay
// EnPassant
if (p is Pawn && (destiny.Line == origin.Line - 2 || destiny.Line == origin.Line + 2))
{
VulnerableEnPassant = p;
}
else
{
VulnerableEnPassant = null;
}
}
public Piece ExecuteMoviment(Position origin, Position destiny)
{
Piece p = BoardOfMatch.RemovePiece(origin);
p.IncrementManyMoves();
Piece takenPiece = BoardOfMatch.RemovePiece(destiny);
BoardOfMatch.PutPiece(p, destiny);
if (takenPiece != null)
{
CapturedPieces.Add(takenPiece);
}
// #SpecialPlay
// 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(originOfRook);
rook.IncrementManyMoves();
BoardOfMatch.PutPiece(rook, destinyOfRook);
}
// 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(originOfRook);
rook.IncrementManyMoves();
BoardOfMatch.PutPiece(rook, destinyOfRook);
}
// EnPassant
if (p is Pawn)
{
if (origin.Column != destiny.Column && takenPiece == null)
{
Position posPawn;
if (p.Color == Color.White)
{
posPawn = new Position(destiny.Line + 1, destiny.Column);
}
else
{
posPawn = new Position(destiny.Line - 1, destiny.Column);
}
takenPiece = BoardOfMatch.RemovePiece(posPawn);
CapturedPieces.Add(takenPiece);
}
}
return(takenPiece);
}
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);
}
}
}