public static void Main(string[] args)
{
CurrentBoard = new Board();
CurrentGameStatus = GameStatus.Inactive;
PieceMoves.InitiateChessPieceMoves();
PiecePseudoLegalMoves.GeneratePseudoLegalMoves(CurrentBoard);
PieceLegalMoves.GenerateLegalMoves(CurrentBoard);
EngineStopTokenSource = new CancellationTokenSource();
BoardOrientation = PieceColour.White;
WhiteClock = new ChessClock(PieceColour.White, new TimeSpan(0, 30, 0));
BlackClock = new ChessClock(PieceColour.Black, new TimeSpan(0, 30, 0));
StrengthValue = 7;
CurrentMode = GameMode.OnePlayer;
CurrentGameHistory = new GameHistory();
Application.Init();
win = new MainWindow();
win.UpdateClock(WhiteClock);
win.UpdateClock(BlackClock);
win.InitWidgets();
win.Show();
Application.Run();
/*
* UCITransceiver uci = new UCITransceiver ("./stockfish_6_x64");
* uci.Init ();
* Console.WriteLine (uci.EngineName);
* Console.WriteLine (uci.EngineAuthor);
* uci.SendPosition ("rn2kbnr/ppq2pp1/2p1p2p/7P/3P4/3Q1NN1/PPP2PP1/R1B1K2R w KQkq - 0 11");
* uci.Go ();
* Thread.Sleep (5000);
* Console.WriteLine (uci.StopAndGetBestMove ());
* uci.Quit ();
*/
}
protected void OnResetBoard(object sender, EventArgs e)
{
MainClass.CurrentBoard = new Board();
MainClass.CurrentGameStatus = GameStatus.Inactive;
MainClass.ResetClock();
PiecePseudoLegalMoves.GeneratePseudoLegalMoves(MainClass.CurrentBoard);
PieceLegalMoves.GenerateLegalMoves(MainClass.CurrentBoard);
MainClass.CurrentGameHistory = new GameHistory();
ClearGameHistoryView();
RedrawBoard();
}
public void UndoMove(byte originalSource, byte originalDestination, Piece capturedPiece,
PieceType?originalPromoteTo = null)
{
Piece movingPiece = Squares [originalDestination].Piece;
// Special rules for castling
if (movingPiece.Type == PieceType.King &&
Array.IndexOf(castleDestinations, originalDestination) != -1 &&
capturedPiece != null &&
capturedPiece.Colour == movingPiece.Colour)
{
Square castleRookSquare = originalDestination - originalSource > 0 ?
Squares [originalDestination - 1] : Squares [originalDestination + 1];
Squares [originalSource].Piece = movingPiece;
Squares [originalDestination].Piece = null;
Squares [originalDestination - originalSource > 0 ?
originalDestination + 1 :
originalDestination - 2].Piece = castleRookSquare.Piece;
castleRookSquare.Piece = null;
}
else
{
if (originalPromoteTo != null)
{
Squares [originalSource].Piece = new Piece(movingPiece.Colour, PieceType.Pawn);
}
else
{
Squares [originalSource].Piece = movingPiece;
}
Squares [originalDestination].Piece = capturedPiece;
}
if (PlayerToMove == PieceColour.White)
{
PlayerToMove = PieceColour.Black;
}
else
{
PlayerToMove = PieceColour.White;
}
PiecePseudoLegalMoves.GeneratePseudoLegalMoves(this);
}
protected void OnImportPGN(object sender, EventArgs e)
{
var fc = new FileChooserDialog("Choose a PGN file to open.",
this,
FileChooserAction.Open,
"Cancel", ResponseType.Cancel,
"Open", ResponseType.Accept);
if (fc.Run() == (int)ResponseType.Accept)
{
MainClass.CurrentGameHistory = GameHistory.importPGN(File.ReadAllText(fc.Filename));
string pgn = MainClass.CurrentGameHistory.ToPGNString();
int indexOfMovesStart = pgn.IndexOf("1.");
if (indexOfMovesStart > 0)
{
GameHistoryView.Buffer.Text = pgn.Substring(indexOfMovesStart);
}
// Load the FEN from the last move
FENParser parser = new FENParser(MainClass.CurrentGameHistory.GetLastMove().FEN);
MainClass.CurrentBoard = parser.GetBoard();
MainClass.CurrentGameStatus = GameStatus.Inactive;
PiecePseudoLegalMoves.GeneratePseudoLegalMoves(MainClass.CurrentBoard);
PieceLegalMoves.GenerateLegalMoves(MainClass.CurrentBoard);
Gtk.Application.Invoke(delegate {
RedrawBoard();
});
MainClass.CurrentGameStatus = GameStatus.Inactive;
GameStatus currentStatus = MainClass.CurrentBoard.CheckForMate();
if (currentStatus != GameStatus.Inactive && currentStatus != GameStatus.Active)
{
Gtk.Application.Invoke(delegate {
ShowGameOverDialog(currentStatus);
});
}
MainClass.ResetClock();
UpdateMaterialDifference(MainClass.CurrentBoard);
}
fc.Destroy();
}
/**
* @fn UndoMove
* @brief Undoes a move.
*
* Undoes a move by doing the complete reverse of MakeMove and then
* regenerating legal moves.
*/
public void UndoMove(byte originalSource, byte originalDestination, bool[] lastCastles,
PieceType?originalPromoteTo = null)
{
Piece movingPiece = Squares[originalDestination].Piece;
// Special rules for castling
if (movingPiece.Type == PieceType.King &&
Array.IndexOf(castleDestinations, originalDestination) != -1)
{
Square castleRookSquare = originalDestination - originalSource > 0 ?
Squares[originalDestination - 1] : Squares[originalDestination + 1];
Squares[originalSource].Piece = movingPiece;
Squares[originalDestination].Piece = null;
Squares[originalDestination - originalSource > 0 ?
originalDestination + 1 :
originalDestination - 2].Piece = castleRookSquare.Piece;
castleRookSquare.Piece = null;
BlackCastledR = lastCastles[0];
WhiteCastledR = lastCastles[1];
BlackCastledL = lastCastles[2];
WhiteCastledL = lastCastles[3];
}
else
{
Squares[originalSource].Piece = movingPiece;
Squares[originalDestination].Piece = null;
}
if (PlayerToMove == PieceColour.White)
{
PlayerToMove = PieceColour.Black;
}
else
{
PlayerToMove = PieceColour.White;
}
PiecePseudoLegalMoves.GeneratePseudoLegalMoves(this);
PieceLegalMoves.GenerateLegalMoves(this);
}
// Returns value of captured piece, for use in DummyBoard.UndoMove
public new Piece MakeMove(byte source, byte destination, PieceType?promoteTo = null)
{
Piece movingPiece = Squares [source].Piece;
Piece capturedPiece = null;
// Special rules for castling
if (movingPiece.Type == PieceType.King &&
(source == 4 || source == 60) &&
Array.IndexOf(castleDestinations, destination) != -1)
{
Square castleRookSquare = destination - source > 0 ?
Squares [destination + 1] : Squares [destination - 2];
capturedPiece = castleRookSquare.Piece;
Squares [destination].Piece = movingPiece;
Squares [source].Piece = null;
Squares [destination - source > 0 ?
destination - 1 :
destination + 1].Piece = castleRookSquare.Piece;
castleRookSquare.Piece = null;
}
else
{
// Handle en passant.
if (Squares [source].Piece.Type == PieceType.Pawn)
{
if (Array.IndexOf(enPassantStartSquares, source) > -1 && Array.IndexOf(enPassantEndSquares, destination) > -1)
{
EnPassantColour = Squares [source].Piece.Colour;
EnPassantSquare = EnPassantColour == PieceColour.White ? (byte)(destination + 8) : (byte)(destination - 8);
}
else
{
EnPassantSquare = 0;
}
}
capturedPiece = Squares [destination].Piece;
switch (promoteTo)
{
case PieceType.Bishop:
Squares [destination].Piece = new Piece(movingPiece.Colour, PieceType.Bishop);
Squares [source].Piece = null;
break;
case PieceType.Knight:
Squares [destination].Piece = new Piece(movingPiece.Colour, PieceType.Knight);
Squares [source].Piece = null;
break;
case PieceType.Rook:
Squares [destination].Piece = new Piece(movingPiece.Colour, PieceType.Rook);
Squares [source].Piece = null;
break;
case PieceType.Queen:
Squares [destination].Piece = new Piece(movingPiece.Colour, PieceType.Knight);
Squares [source].Piece = null;
break;
default:
// Handle en passant capture
if (movingPiece.Type == PieceType.Pawn && destination == EnPassantSquare && EnPassantSquare != 0)
{
byte captureSquare = EnPassantColour == PieceColour.White ? (byte)(destination - 8) : (byte)(destination + 8);
Squares [destination].Piece = movingPiece;
capturedPiece = Squares [captureSquare].Piece;
Squares [captureSquare].Piece = null;
Squares [source].Piece = null;
}
else
{
Squares [destination].Piece = movingPiece;
Squares [source].Piece = null;
}
break;
}
}
if (PlayerToMove == PieceColour.White)
{
PlayerToMove = PieceColour.Black;
}
else
{
PlayerToMove = PieceColour.White;
}
if (!(movingPiece.Type == PieceType.Pawn &&
((int)(destination / 8) == 0 ||
(int)(destination / 8) == 7)))
{
PiecePseudoLegalMoves.GeneratePseudoLegalMoves(this);
}
return(capturedPiece);
}
/**
* @fn MakeMove
* @brief Makes a move.
*
* Makes a move, switches the @c PlayerToMove variable,
* and updates piece legal moves.
*/
public MoveResult MakeMove(byte source, byte destination, PieceType?promoteTo = null)
{
MoveResult ret = MoveResult.None;
if (!IsMoveValid(source, destination))
{
throw new InvalidOperationException("Invalid move entered.");
}
Piece movingPiece = Squares [source].Piece;
// Forbid castling if the king moves.
if (movingPiece.Type == PieceType.King)
{
if (movingPiece.Colour == PieceColour.White)
{
WhiteCastledR = true;
WhiteCastledL = true;
}
else
{
BlackCastledR = true;
BlackCastledL = true;
}
}
if (movingPiece.Type == PieceType.Rook)
{
if (source == 0)
{
BlackCastledL = true;
}
else if (source == 7)
{
BlackCastledR = true;
}
else if (source == 56)
{
WhiteCastledL = true;
}
else if (source == 63)
{
WhiteCastledR = true;
}
}
// Special rules for castling
if (movingPiece.Type == PieceType.King &&
(source == 4 || source == 60) &&
Array.IndexOf(castleDestinations, destination) != -1)
{
ret = destination - source > 0 ? MoveResult.KingsideCastle : MoveResult.QueensideCastle;
Square castleRookSquare = destination - source > 0 ?
Squares [destination + 1] : Squares [destination - 2];
Squares [destination].Piece = movingPiece;
Squares [source].Piece = null;
Squares [destination - source > 0 ?
destination - 1 :
destination + 1].Piece = castleRookSquare.Piece;
castleRookSquare.Piece = null;
}
else
{
// Handle pawn moves
if (Squares [source].Piece.Type == PieceType.Pawn)
{
ret = MoveResult.PawnMove;
// Handle en passant creation
if (Array.IndexOf(enPassantStartSquares, source) > -1 && Array.IndexOf(enPassantEndSquares, destination) > -1)
{
EnPassantColour = Squares [source].Piece.Colour;
EnPassantSquare = EnPassantColour == PieceColour.White ? (byte)(destination + 8) : (byte)(destination - 8);
}
}
if (Squares [destination].Piece != null)
{
ret = MoveResult.Capture;
}
switch (promoteTo)
{
case PieceType.Bishop:
Squares [destination].Piece = new Piece(movingPiece.Colour, PieceType.Bishop);
Squares [source].Piece = null;
break;
case PieceType.Knight:
Squares [destination].Piece = new Piece(movingPiece.Colour, PieceType.Knight);
Squares [source].Piece = null;
break;
case PieceType.Rook:
Squares [destination].Piece = new Piece(movingPiece.Colour, PieceType.Rook);
Squares [source].Piece = null;
break;
case PieceType.Queen:
Squares [destination].Piece = new Piece(movingPiece.Colour, PieceType.Queen);
Squares [source].Piece = null;
break;
default:
// Handle en passant capture
if (movingPiece.Type == PieceType.Pawn && destination == EnPassantSquare && EnPassantSquare != 0)
{
byte captureSquare = EnPassantColour == PieceColour.White ? (byte)(destination - 8) : (byte)(destination + 8);
Squares [destination].Piece = movingPiece;
Squares [captureSquare].Piece = null;
Squares [source].Piece = null;
ret = MoveResult.Capture;
EnPassantSquare = 0;
}
else
{
Squares [destination].Piece = movingPiece;
Squares [source].Piece = null;
if (movingPiece.Type != PieceType.Pawn)
{
EnPassantSquare = 0;
}
}
break;
}
Gtk.Application.Invoke(delegate {
MainClass.win.UpdateMaterialDifference(new Board(this));
});
}
if (PlayerToMove == PieceColour.White)
{
PlayerToMove = PieceColour.Black;
}
else
{
PlayerToMove = PieceColour.White;
}
PiecePseudoLegalMoves.GeneratePseudoLegalMoves(this);
PieceLegalMoves.GenerateLegalMoves(this);
return(ret);
}
public static GameHistory importPGN(string PGN)
{
GameHistory newGameHistory = new GameHistory();
//Parse tag pairs first
string startingFEN = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
while (PGN.Contains("["))
{
string tagPair = PGN.Substring(PGN.IndexOf('[') + 1, PGN.IndexOf(']') - PGN.IndexOf('[') - 1);
PGN = PGN.Substring(PGN.IndexOf(']') + 1);
switch (tagPair.Substring(0, tagPair.IndexOf(' ')))
{
case "Event":
newGameHistory.Event = tagPair.Substring(tagPair.IndexOf('"') + 1).TrimEnd('"');
break;
case "Site":
newGameHistory.Site = tagPair.Substring(tagPair.IndexOf('"') + 1).TrimEnd('"');
break;
case "Date":
newGameHistory.Date = tagPair.Substring(tagPair.IndexOf('"') + 1).TrimEnd('"');
break;
case "Round":
newGameHistory.Round = tagPair.Substring(tagPair.IndexOf('"') + 1).TrimEnd('"');
break;
case "White":
newGameHistory.White = tagPair.Substring(tagPair.IndexOf('"') + 1).TrimEnd('"');
break;
case "Black":
newGameHistory.Black = tagPair.Substring(tagPair.IndexOf('"') + 1).TrimEnd('"');
break;
case "Result":
newGameHistory.Result = tagPair.Substring(tagPair.IndexOf('"') + 1).TrimEnd('"');
break;
case "FEN":
startingFEN = tagPair.Substring(tagPair.IndexOf('"') + 1).TrimEnd('"');
break;
default:
break;
}
}
//Remove comments from PGN
while (PGN.Contains("{"))
{
PGN = PGN.Remove(PGN.IndexOf('{'), PGN.IndexOf('}') - PGN.IndexOf('{') + 1);
}
//Take in moves one by one
FENParser importFEN = new FENParser(startingFEN);
Board gameBoard = importFEN.GetBoard();
PiecePseudoLegalMoves.GeneratePseudoLegalMoves(gameBoard);
PieceLegalMoves.GenerateLegalMoves(gameBoard);
List <Tuple <Move, string> > possibleMoveNotations = getPossibleMoveNotations(gameBoard);
string[] tokens = PGN.Split(null);
for (int i = 0; i < tokens.Length; i++)
{
char[] trimChars = { '!', '?' };
char[] checkChars = { '+', '#' };
string moveNotation = tokens[i].Trim(trimChars);
if (moveNotation.Contains('.'))
{
moveNotation = moveNotation.Substring(moveNotation.IndexOf('.') + 1);
}
if (moveNotation.Length != 0)
{
//Console.WriteLine("***" + moveNotation + "***"); //debugging output
for (int j = 0; j < possibleMoveNotations.Count; j++)
{
//Console.Write(possibleMoveNotations[j].Item2 + " ");
if (moveNotation.Equals(possibleMoveNotations[j].Item2) || moveNotation.Equals(possibleMoveNotations[j].Item2.Trim(checkChars)))
{
gameBoard.MakeMove(possibleMoveNotations[j].Item1.Source, possibleMoveNotations[j].Item1.Destination, possibleMoveNotations[j].Item1.PromoteTo);
newGameHistory.AddMove(possibleMoveNotations[j].Item1, gameBoard.ToFEN().Split(' ')[0]);
possibleMoveNotations = getPossibleMoveNotations(gameBoard);
break;
}
}
//Console.WriteLine(""); //debugging output
}
}
return(newGameHistory);
}