Exemple #1
0
        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();
        }
Exemple #2
0
        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);
        }