コード例 #1
0
        public static bool AddIfCoordinateIsEmpty(this List <GameMove> list, Chessboard chessboard, GameMove move)
        {
            if (chessboard.GetChessPieceOrDefault(move.To).HasValue)
            {
                return(false);
            }

            list.Add(move);
            return(true);
        }
コード例 #2
0
        private bool IsValid(Chessboard chessboard, GameMove move, GameHistory gameHistory)
        {
            var chessPiece = chessboard.GetChessPieceOrDefault(move.From);

            if (!chessPiece.HasValue)
            {
                return(false);
            }

            var chessBoardCopy  = (Chessboard)chessboard.Clone();
            var gameHistoryCopy = (GameHistory)gameHistory.Clone();

            gameHistoryCopy.Add(move, chessPiece.Value.Owner, chessBoardCopy);
            chessBoardCopy.Move(move);

            var kingCoordinate = chessBoardCopy.GetCoordinate(new ChessPiece {
                Owner = chessPiece.Value.Owner, Type = ChessPieceType.King
            });
            var isKingInDanger = IsCoordinateInDanger(chessBoardCopy, chessPiece.Value.Owner, gameHistoryCopy, kingCoordinate);

            return(!isKingInDanger);
        }
コード例 #3
0
        private static bool IsPawnKilling(Chessboard chessboard, GameMove?previousMove, ChessColor chessPieceColor, int i, int j)
        {
            var chessPieceOnPotentialVictimPosition = chessboard.Board[i, j];

            if (chessPieceOnPotentialVictimPosition.HasValue)
            {
                return(chessPieceOnPotentialVictimPosition.Value.Owner != chessPieceColor);
            }

            // "En Passant" checking

            if (!previousMove.HasValue ||
                chessPieceColor == ChessColor.White && i != 5 ||
                chessPieceColor == ChessColor.Black && i != 2)
            {
                return(false);
            }

            var previousMoveChessPiece = chessboard.GetChessPieceOrDefault(previousMove.Value.To);

            if (!previousMoveChessPiece.HasValue || previousMoveChessPiece.Value.Type != ChessPieceType.Pawn)
            {
                return(false);
            }

            previousMove.Value.From.ToArrayIndexes(out var prevMoveFromI, out var prevMoveFromJ);
            previousMove.Value.To.ToArrayIndexes(out var prevMoveToI, out _);
            var prevMoveOwner = previousMoveChessPiece.Value.Owner;

            if (prevMoveFromJ != j)
            {
                return(false);
            }

            return(prevMoveOwner == ChessColor.White && prevMoveFromI == 1 && prevMoveToI == 3 ||
                   prevMoveOwner == ChessColor.Black && prevMoveFromI == 6 && prevMoveToI == 4);
        }