private static NeuralPlayer MakeNeuralPlayer(int inputCount, int outputCount, int depth, int hiddenNeuronsPerLayer, DNA individual)
{
NeuralNetwork.NeuralNetwork network = new NeuralNetwork.NeuralNetwork();
network.BuildFromDNA($"{inputCount}||{outputCount}||{depth}||{hiddenNeuronsPerLayer}||{individual.ToString()}");
NeuralPlayer p2 = new NeuralPlayer(network, SquareTypes.O);
return(p2);
}
private static void MatchReplay()
{
int inputCount = 9;
int outputCount = 9;
int depth = 3;
int hiddenNeuronsPerLayer = 5;
NeuralPlayer champion = MakeNeuralPlayer(inputCount, outputCount, depth, hiddenNeuronsPerLayer, new DNA(bestDNA));
OptimalPlayer p2 = new OptimalPlayer(SquareTypes.O);
champion.SquareType = SquareTypes.X;
TicTacToeGame.PlayGameToEnd(champion, p2);
}
private static void PlayVSHuman()
{
int inputCount = 9;
int outputCount = 9;
int depth = 3;
int hiddenNeuronsPerLayer = 5;
TicTacToeGame game = new TicTacToeGame();
NeuralPlayer champion = MakeNeuralPlayer(inputCount, outputCount, depth, hiddenNeuronsPerLayer, new DNA(bestDNA));
champion.SquareType = SquareTypes.X;
SquareTypes winner = SquareTypes.N;
for (int moveNum = 0; moveNum < 9 && winner == SquareTypes.N; moveNum++)
{
Console.WriteLine($"+- Turn {moveNum + 1} -+");
TicTacToeGame.DisplayBoard(game.Board);
SquareTypes curSquareType;
Move move;
if (moveNum % 2 == 1)
{
curSquareType = SquareTypes.O;
move = AskHumanForMove();
}
else
{
curSquareType = SquareTypes.X;
move = champion.GetMove(game.Board);
}
if (game.IsEmpty(move.X, move.Y))
{
game.Board[move.X, move.Y] = curSquareType;
}
else
{
Console.WriteLine($"Player {curSquareType.ToString()} tried to use non-empty space [{move.X}, {move.Y}]");
}
if (moveNum > 3)
{
winner = game.GetWinner();
}
}
Console.WriteLine($"The winner is {winner.ToString()}");
}
private static void RunExperiment(StreamWriter saveFileWriter)
{
int inputCount = 9;
int outputCount = 9;
int depth = 3;
int hiddenNeuronsPerLayer = 5;
PopulationManager pop = GeneratePopulation(inputCount, outputCount, depth, hiddenNeuronsPerLayer);
Dictionary <int, List <double> > fitnesses = new Dictionary <int, List <double> >();
DNA bestIndividual = new DNA(bestDNA);
const int genCount = 2000;
using (ProgressBar progress = new ProgressBar())
{
Console.WriteLine("Running genetics...");
for (int gen = 0; gen < genCount; gen++)
{
progress.SetLabel($"gen {gen+GenToLoad}/{genCount+GenToLoad}");
progress.Report((double)gen / genCount);
foreach (DNA individual in pop.Population)
{
NeuralPlayer p1 = MakeNeuralPlayer(inputCount, outputCount, depth, hiddenNeuronsPerLayer, individual);
NeuralPlayer p2 = MakeNeuralPlayer(inputCount, outputCount, depth, hiddenNeuronsPerLayer, bestIndividual);
p1.SquareType = SquareTypes.X;
p2.SquareType = SquareTypes.O;
for (int g = 0; g < 50; g++)
{
(SquareTypes winner, int moveNum) = TicTacToeGame.PlayGameToEnd(p1, p2);
if (winner == SquareTypes.X)
{
individual.Fitness += 50f / moveNum;
}
else if (winner == SquareTypes.N)
{
individual.Fitness += 10f / moveNum;
}
}
p2.SquareType = SquareTypes.X;
p1.SquareType = SquareTypes.O;
for (int g = 0; g < 50; g++)
{
(SquareTypes winner, int moveNum) = TicTacToeGame.PlayGameToEnd(p2, p1);
if (winner == SquareTypes.O)
{
individual.Fitness += 50f / moveNum;
}
else if (winner == SquareTypes.N)
{
individual.Fitness += 10f / moveNum;
}
}
}
if (gen % 50 == 0)
{
SaveGeneration(gen + 1 + GenToLoad, pop);
}
int dnaCounter = 0;
pop.Population.OrderByDescending(i => i.Fitness).ToList().ForEach(dna =>
{
if (!fitnesses.ContainsKey(dnaCounter))
{
fitnesses[dnaCounter] = new List <double>();
}
fitnesses[dnaCounter].Add(dna.Fitness);
dnaCounter++;
});
var thisBest = pop.Population.OrderByDescending(i => i.Fitness).First();
if (thisBest.Fitness > bestIndividual.Fitness)
{
bestIndividual = thisBest;
}
pop.NextGeneration();
}
}
Console.WriteLine(" Done.");
SaveGeneration(genCount + GenToLoad, pop);
foreach (KeyValuePair <int, List <double> > fitnessList in fitnesses)
{
saveFileWriter.WriteLine($"{fitnessList.Key},{String.Join(',', fitnessList.Value)}");
}
saveFileWriter.WriteLine("");
saveFileWriter.WriteLine("Best final dna:");
saveFileWriter.WriteLine(String.Join("||", pop.Population.OrderByDescending(i => i.Fitness).First().Genes));
}