Esempio n. 1
0
        private int GetMovingPiece(Board board, PGNMove move, int fromX, int fromY)
        {
            // figure out which piece is moving
            int from     = -1;
            var pieces   = board.FindByPieceAndColor(move.Piece, board.PlayerTurn);
            var possible = new List <int>();

            foreach (var p in pieces)
            {
                var moves = Moves.GetValidMoves(board, p);
                if (moves.Contains(move.To))
                {
                    possible.Add(p);
                }
            }

            if (possible.Count == 0)
            {
                throw new Exception("No piece has a valid move to tile " + Notation.TileToText(move.To));
            }

            if (possible.Count > 1)
            {
                // filter possible pieces by using the hints
                if (fromX != -1)
                {
                    possible = possible.Where(k => Board.X(k) == fromX).ToList();
                }
                if (fromY != -1)
                {
                    possible = possible.Where(k => Board.Y(k) == fromY).ToList();
                }
            }

            if (possible.Count != 1)
            {
                throw new Exception("No piece has a valid move to tile " + Notation.TileToText(move.To));
            }

            from = possible[0];
            return(from);
        }
Esempio n. 2
0
        public static PGNGame DecodeGame(string encodedString)
        {
            var     s        = encodedString;
            int     i        = 0;
            Color   player   = Color.White;
            int     move     = 1;
            var     moves    = new List <PGNMove>();
            PGNMove lastmove = null;

            while (i < s.Length - 1)
            {
                // check if the last move wa actually a promotion
                if (Decode[s[i]] == SpecialInstruction)
                {
                    lastmove.Promotion = (Piece)Decode[s[i + 1]];
                    continue;
                }

                var from = Decode[s[i]];
                var to   = Decode[s[i + 1]];
                lastmove = new PGNMove()
                {
                    From = from, To = to, MoveNumber = move, Color = player                                       /*, Piece = ...*/
                };
                if (player == Color.Black)
                {
                    move++;
                }
                player = (player == Color.White) ? Color.Black : Color.White;

                moves.Add(lastmove);
                i += 2;
            }

            var variation = new GameVariation(moves.Select(x => (IPGNElement)x).ToList());
            var game      = new PGNGame(new Dictionary <string, string>(), variation);

            return(game);
        }
Esempio n. 3
0
        /// <summary>
        /// Returns information about the move.
        /// Is not guaranteed to return the "From" or "Color" field.
        /// Includes:
        ///		Piece
        ///		To
        ///		Promotion
        ///		Check
        ///		Mate
        /// </summary>
        /// <returns></returns>
        public PGNMove GetMove(Board board)
        {
            var val = Value.Trim();

            var move = new PGNMove();

            move.Check      = val.Contains('+') || val.Contains('#');
            move.Mate       = val.Contains('#');
            move.Capture    = val.Contains('x');
            move.Color      = board.PlayerTurn;
            move.MoveNumber = board.MoveCount;

            val            = Regex.Replace(val, @"[x\.\+\#]", "");
            move.Piece     = Notation.GetPiece(val);
            move.Promotion = Notation.GetPromotion(val);

            // remove piece type and promotion
            if (move.Piece != Piece.Pawn)
            {
                val = val.Substring(1);
            }
            if (move.Promotion != Piece.None)
            {
                val = val.Replace("=", "");
                val = val.Substring(0, val.Length - 1);
            }

            if (val == "O-O")
            {
                move.From  = (move.Color == Color.White) ? 4 : 60;
                move.To    = (move.Color == Color.White) ? 6 : 62;
                move.Piece = Piece.King;
            }
            else if (val == "O-O-O")
            {
                move.From  = (move.Color == Color.White) ? 4 : 60;
                move.To    = (move.Color == Color.White) ? 2 : 58;
                move.Piece = Piece.King;
            }
            else
            {
                move.To = Notation.TextToTile(val.Substring(val.Length - 2));
                int fromX = -1;
                int fromY = -1;

                // check if there is additional information in the move, e.g. "From" tile
                if (val.Length == 4)
                {
                    move.From = Notation.TextToTile(val.Substring(0, 2));
                }
                else if (val.Length == 3)
                {
                    char ch = val[0];
                    if (Char.IsLetter(ch))
                    {
                        fromX = Notation.FileToInt(ch);
                    }
                    else
                    {
                        fromY = Notation.RankToInt(ch);
                    }
                }

                move.From = GetMovingPiece(board, move, fromX, fromY);
            }

            return(move);
        }
Esempio n. 4
0
        /// <summary>
        /// Returns information about the move.
        /// Is not guaranteed to return the "From" or "Color" field.
        /// Includes:
        ///		Piece
        ///		To
        ///		Promotion
        ///		Check
        ///		Mate
        /// </summary>
        /// <returns></returns>
        public PGNMove GetMove(Board board)
        {
            var val = Value.Trim();

            var move = new PGNMove();
            move.Check = val.Contains('+') || val.Contains('#');
            move.Mate = val.Contains('#');
            move.Capture = val.Contains('x');
            move.Color = board.PlayerTurn;
            move.MoveNumber = board.MoveCount;

            val = Regex.Replace(val, @"[x\.\+\#]", "");
            move.Piece = Notation.GetPiece(val);
            move.Promotion = Notation.GetPromotion(val);

            // remove piece type and promotion
            if(move.Piece != Piece.Pawn)
                val = val.Substring(1);
            if(move.Promotion != Piece.None)
            {
                val = val.Replace("=", "");
                val = val.Substring(0, val.Length - 1);
            }

            if(val == "O-O")
            {
                move.From = (move.Color == Color.White) ? 4 : 60;
                move.To = (move.Color == Color.White) ? 6 : 62;
                move.Piece = Piece.King;
            }
            else if (val == "O-O-O")
            {
                move.From = (move.Color == Color.White) ? 4 : 60;
                move.To = (move.Color == Color.White) ? 2 : 58;
                move.Piece = Piece.King;
            }
            else
            {
                move.To = Notation.TextToTile(val.Substring(val.Length - 2));
                int fromX = -1;
                int fromY = -1;

                // check if there is additional information in the move, e.g. "From" tile
                if (val.Length == 4)
                {
                    move.From = Notation.TextToTile(val.Substring(0, 2));
                }
                else if (val.Length == 3)
                {
                    char ch = val[0];
                    if (Char.IsLetter(ch))
                        fromX = Notation.FileToInt(ch);
                    else
                        fromY = Notation.RankToInt(ch);
                }

                move.From = GetMovingPiece(board, move, fromX, fromY);
            }

            return move;
        }
Esempio n. 5
0
        private int GetMovingPiece(Board board, PGNMove move, int fromX, int fromY)
        {
            // figure out which piece is moving
            int from = -1;
            var pieces = board.FindByPieceAndColor(move.Piece, board.PlayerTurn);
            var possible = new List<int>();
            foreach (var p in pieces)
            {
                var moves = Moves.GetValidMoves(board, p);
                if (moves.Contains(move.To))
                    possible.Add(p);
            }

            if (possible.Count == 0)
                throw new Exception("No piece has a valid move to tile " + Notation.TileToText(move.To));

            if (possible.Count > 1)
            {
                // filter possible pieces by using the hints
                if (fromX != -1)
                    possible = possible.Where(k => Board.X(k) == fromX).ToList();
                if (fromY != -1)
                    possible = possible.Where(k => Board.Y(k) == fromY).ToList();
            }

            if (possible.Count != 1)
                throw new Exception("No piece has a valid move to tile " + Notation.TileToText(move.To));

            from = possible[0];
            return from;
        }
Esempio n. 6
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 public static string EncodeMove(PGNMove move)
 {
     return EncodeMove(move.From, move.To, move.Promotion);
 }
Esempio n. 7
0
        public static PGNGame DecodeGame(string encodedString)
        {
            var s = encodedString;
            int i = 0;
            Color player = Color.White;
            int move = 1;
            var moves = new List<PGNMove>();
            PGNMove lastmove = null;
            while(i < s.Length - 1)
            {
                // check if the last move wa actually a promotion
                if (Decode[s[i]] == SpecialInstruction)
                {
                    lastmove.Promotion = (Piece)Decode[s[i + 1]];
                    continue;
                }

                var from = Decode[s[i]];
                var to = Decode[s[i + 1]];
                lastmove = new PGNMove() { From = from, To = to, MoveNumber = move, Color = player/*, Piece = ...*/ };
                if(player == Color.Black)
                    move++;
                player = (player == Color.White) ? Color.Black : Color.White;

                moves.Add(lastmove);
                i += 2;
            }

            var variation = new GameVariation(moves.Select(x => (IPGNElement)x).ToList());
            var game = new PGNGame(new Dictionary<string, string>(), variation);
            return game;
        }
Esempio n. 8
0
 public static string EncodeMove(PGNMove move)
 {
     return(EncodeMove(move.From, move.To, move.Promotion));
 }