Example #1
0
        /// <summary>
        /// public wrapper for recursion
        /// try each possible move, find the one with the best score
        /// </summary>
        /// <param name="lookahead">how far to look ahead</param>
        /// <param name="playerX">is this for player x</param>
        /// <returns>The data on the best move location and score</returns>
        public MinimaxResult DoMinimax(int lookahead, bool playerX)
        {
            // set up inital state
            DateTime startTime = DateTime.Now;

            if (lookahead < 1)
            {
                throw new Exception("Invalid lookahead of " + lookahead);
            }

            this.debugDataItems.Clear();

            Occupied player = playerX.ToPlayer();
            int      alpha  = MoveScoreConverter.ConvertWin(player.Opponent(), 0);
            int      beta   = MoveScoreConverter.ConvertWin(player, 0);

            MinimaxResult bestMove = this.ScoreBoard(lookahead, this.ActualBoard, playerX, alpha, beta);

            if (bestMove.Move != Location.Null)
            {
                GoodMoves.AddGoodMove(0, bestMove.Move);
            }

            DateTime endTime = DateTime.Now;

            this.MoveTime = endTime - startTime;

            return(bestMove);
        }
Example #2
0
        public MinimaxResult DoMinimax(int depth, bool isComputer)
        {
            // megmondja, hogy ki a jatekos, ha a gep, akkor az isComputerben true van, es akkor a plyaerben xPlayer lesz.
            Occupied player = isComputer.ToPlayer();

            // a gep az alpha
            this.alpha = MoveScoreConverter.ConvertWin(player.Opponent(), 0);
            // ember a beta
            this.beta = MoveScoreConverter.ConvertWin(player, 0);
            // a minimax algoritmus magaban
            MinimaxResult bestMove = this.MiniMaxAlg(depth, isComputer, board);

            if (bestMove.Move != Location.Null)
            {
                // killer heurisztika
                GoodMoves.AddGoodMove(0, bestMove.Move);
            }
            return(bestMove);
        }