public Piece ExecuteMoviment(Position origin, Position destination)
{
Piece piece = Board.removePieceFromPosition(origin);
piece.IncrementMovementQuantity();
Piece capturedPiece = Board.removePieceFromPosition(destination);
Board.SetPieceInPosition(piece, destination);
if (capturedPiece != null)
{
capturedPieces.Add(capturedPiece);
}
// #Castle Kingside
if (piece is King && destination.Column == origin.Column + 2)
{
Position originT = new Position(origin.Line, origin.Column + 3);
Position destinationT = new Position(origin.Line, origin.Column + 1);
Piece T = Board.removePieceFromPosition(originT);
T.IncrementMovementQuantity();
Board.SetPieceInPosition(T, destinationT);
}
// #Castle Queenside
if (piece is King && destination.Column == origin.Column - 2)
{
Position originT = new Position(origin.Line, origin.Column - 4);
Position destinationT = new Position(origin.Line, origin.Column - 1);
Piece T = Board.removePieceFromPosition(originT);
T.IncrementMovementQuantity();
Board.SetPieceInPosition(T, destinationT);
}
// #jogadaespecial en passant
if (piece is Pawn)
{
if (origin.Column != destination.Column && capturedPiece == null)
{
Position posP;
if (piece.Color == Color.White)
{
posP = new Position(destination.Line + 1, destination.Column);
}
else
{
posP = new Position(destination.Line - 1, destination.Column);
}
capturedPiece = Board.removePieceFromPosition(posP);
capturedPieces.Add(capturedPiece);
}
}
return(capturedPiece);
}
public void UndoMovement(Position origin, Position destination, Piece capturedPiece)
{
Piece piece = Board.removePieceFromPosition(destination);
piece.DecrementMovementQuantity();
if (capturedPiece != null)
{
Board.SetPieceInPosition(capturedPiece, destination);
capturedPieces.Remove(capturedPiece);
}
Board.SetPieceInPosition(piece, origin);
// #Castle Kingside
if (piece is King && destination.Column == origin.Column + 2)
{
Position originT = new Position(origin.Line, origin.Column + 3);
Position destinationT = new Position(origin.Line, origin.Column + 1);
Piece T = Board.removePieceFromPosition(destinationT);
T.DecrementMovementQuantity();
Board.SetPieceInPosition(T, originT);
}
// #Castle Queenside
if (piece is King && destination.Column == origin.Column - 2)
{
Position originT = new Position(origin.Line, origin.Column - 4);
Position destinationT = new Position(origin.Line, origin.Column - 1);
Piece T = Board.removePieceFromPosition(destinationT);
T.DecrementMovementQuantity();
Board.SetPieceInPosition(T, originT);
}
// #en passant
if (piece is Pawn)
{
if (origin.Column != destination.Column && capturedPiece == VulnerableEnPassant)
{
Piece pawn = Board.removePieceFromPosition(destination);
Position posP;
if (piece.Color == Color.White)
{
posP = new Position(3, destination.Column);
}
else
{
posP = new Position(4, destination.Column);
}
Board.SetPieceInPosition(pawn, posP);
}
}
}
public void PerformeMove(Position origin, Position destination)
{
Piece capturedPiece = ExecuteMoviment(origin, destination);
if (IsInCheck(CurrentPlayer))
{
UndoMovement(origin, destination, capturedPiece);
throw new BoardException("You cannot put yourself in check");
}
Piece p = Board.piece(destination);
// #promocao
if (p is Pawn)
{
if ((p.Color == Color.White && destination.Line == 0) || (p.Color == Color.Black && destination.Line == 7))
{
p = Board.removePieceFromPosition(destination);
pieces.Remove(p);
Piece queen = new Queen(Board, p.Color);
Board.SetPieceInPosition(queen, destination);
pieces.Add(queen);
}
}
CheckMate = IsInCheck(Opponent(CurrentPlayer));
if (TestCheckMate(Opponent(CurrentPlayer)))
{
FinishedMatch = true;
}
else
{
Turn++;
ChangePlayer();
}
// #en passant
if (p is Pawn && (destination.Line == origin.Line - 2 || destination.Line == origin.Line + 2))
{
VulnerableEnPassant = p;
}
else
{
VulnerableEnPassant = null;
}
}