public void MakeAPlay(Position origin, Position destiny)
{
Piece capturedPiece = ExecuteAMovement(origin, destiny);
if (ItIsInCheck(CurrentPlayer))
{
UndoTheMovement(origin, destiny, capturedPiece);
throw new BoardException("You cannot put yourself in check!");
}
Piece piece = Board.Piece(destiny);
// #SpecialPlay Promotion
if ((piece.Color == Color.White && destiny.Line == 0) || (piece.Color == Color.Black && destiny.Line == 7))
{
piece = Board.RemovePiece(destiny);
Pieces.Remove(piece);
Piece queen = new Queen(Board, piece.Color);
Board.InsertPiece(queen, destiny);
Pieces.Add(queen);
}
if (ItIsInCheck(Opponent(CurrentPlayer)))
{
Check = true;
}
else
{
Check = false;
}
if (TestCheckMate(Opponent(CurrentPlayer)))
{
Finished = true;
}
else
{
Shift++;
ChangePlayer();
}
//#SpecialPlay EnPassant
if (piece is Pawn && (destiny.Line == origin.Line - 2 || destiny.Line == origin.Line + 2))
{
VulnerableEnPassant = piece;
}
else
{
VulnerableEnPassant = null;
}
}
public Piece ExecuteAMovement(Position origin, Position destiny)
{
Piece piece = Board.RemovePiece(origin);
piece.IncrementeNumberOfMovements();
Piece capturedPiece = Board.RemovePiece(destiny);
Board.InsertPiece(piece, destiny);
if (capturedPiece != null)
{
Captured.Add(capturedPiece);
}
//#SpecialPlay Castling short
if (piece 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 rook = Board.RemovePiece(rookOrigin);
rook.IncrementeNumberOfMovements();
Board.InsertPiece(rook, rookDestiny);
}
//#SpecialPlay Castling long
if (piece 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 rook = Board.RemovePiece(rookOrigin);
rook.IncrementeNumberOfMovements();
Board.InsertPiece(rook, rookDestiny);
}
//#SpecialPlay EnPassant
if (piece is Pawn)
{
if (origin.Column != destiny.Column && capturedPiece == null)
{
Position pawnPosition;
if (piece.Color == Color.White)
{
pawnPosition = new Position(destiny.Line + 1, destiny.Column);
}
else
{
pawnPosition = new Position(destiny.Line - 1, destiny.Column);
}
capturedPiece = Board.RemovePiece(pawnPosition);
Captured.Add(capturedPiece);
}
}
return(capturedPiece);
}
public void UndoTheMovement(Position origin, Position destiny, Piece capturedPice)
{
Piece piece = Board.RemovePiece(destiny);
piece.DecrementNumberOfMovements();
if (capturedPice != null)
{
Board.InsertPiece(capturedPice, destiny);
Captured.Remove(capturedPice);
}
Board.InsertPiece(piece, origin);
//#SpecialPlay Castling short
if (piece 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 rook = Board.RemovePiece(rookDestiny);
rook.DecrementNumberOfMovements();
Board.InsertPiece(rook, rookOrigin);
}
//#SpecialPlay Castling long
if (piece 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 rook = Board.RemovePiece(rookDestiny);
rook.DecrementNumberOfMovements();
Board.InsertPiece(rook, rookOrigin);
}
//#SpecialPlay En Passant
if (piece is Pawn)
{
if (origin.Column != destiny.Column && capturedPice == VulnerableEnPassant)
{
Piece pawn = Board.RemovePiece(destiny);
Position pawnPosition;
if (piece.Color == Color.White)
{
pawnPosition = new Position(3, destiny.Column);
}
else
{
pawnPosition = new Position(4, destiny.Column);
}
Board.InsertPiece(pawn, pawnPosition);
}
}
}
public void InsertNewPiece(char column, int line, Piece piece)
{
Board.InsertPiece(piece, new ChessPosition(column, line).ToPosition());
Pieces.Add(piece);
}