Exemple #1
0
        public void Start()
        {
            InvokeResponseEvent(GameResult.GameStarted);

            VisitedStatesCounter = 0;

            int stepsCounter = 1;

            int maxDepth = 4;//BoardSize * BoardSize;

            while (!CurrentState.IsEnd && CurrentState.Successors.Any())
            {
                if (stepsCounter % 2 != 0)
                {
                    do
                    {
                        var position = Player.Ask();

                        CurrentState = (GameState)CurrentState.Clone();

                        ErrorMessage = CurrentState.SetSign(position);

                        if (ErrorMessage != null)
                        {
                            InvokeResponseEvent(GameResult.Error);
                        }
                    } while (ErrorMessage != null);
                }
                else
                {
                    InvokeResponseEvent(GameResult.Thinking);

                    //Task.Delay(TimeSpan.FromSeconds(0.75)).Wait();

                    var algorythm =
                        //new Minimax(CurrentState, minimizeLoss: true, maxDepth: maxDepth);
                        new AlphaBetaPruning(CurrentState, minimizeLoss: true, maxDepth: maxDepth);

                    if (algorythm is Minimax)
                    {
                        Console.WriteLine("Minimax");
                    }

                    if (algorythm is AlphaBetaPruning)
                    {
                        Console.WriteLine("Alpha-Beta pruning");
                    }

                    Console.WriteLine("Max depth: {0}", algorythm.MaxDepth);

                    var stopwatch = Stopwatch.StartNew();

                    algorythm.Execute();

                    stopwatch.Stop();

                    Console.WriteLine("Elapsed time: {0}", stopwatch.Elapsed);

                    Console.WriteLine("Visited states number: {0}", algorythm.VisitedStatesCounter);

                    VisitedStatesCounter += algorythm.VisitedStatesCounter;

                    CurrentState = (GameState)algorythm.ResultState;
                }

                stepsCounter++;

                //maxDepth--;

                InvokeResponseEvent(GameResult.StateChanged);
            }

            if (!CurrentState.IsEnd)
            {
                InvokeResponseEvent(GameResult.DeadHeat);
            }
            else if (stepsCounter % 2 != 0)
            {
                InvokeResponseEvent(GameResult.ComputerWon);
            }
            else
            {
                InvokeResponseEvent(GameResult.PlayerWon);
            }

            Console.WriteLine("Visited states number: {0}", VisitedStatesCounter);

            Console.ReadKey();
            //Task.Delay(TimeSpan.FromSeconds(2)).Wait();
        }