public Pig.Player GetRandomMember(double totalSqrtFitness, Pig.Player exclusion = null)
{
if (exclusion != null)
{
totalSqrtFitness -= Math.Pow(exclusion.averageFitness, genPlayerFitScale);
}
Random memberGen = new Random(Guid.NewGuid().GetHashCode());
//Random memberGen = new Random(1);
double randomVal = memberGen.NextDouble() * totalSqrtFitness;
foreach (Pig.Player player in Players)
{
double currentFit = Math.Pow(player.averageFitness, genPlayerFitScale);
if (player == exclusion)
{
continue;
}
if (randomVal < currentFit)
{
return(player);
}
randomVal -= currentFit;
}
return(Players[-1]); //this will crash and mean that something went wrong- however it should never in theory
}
private void injectPlayer(string file, NN.Generation injectGen)
{
XmlSerializer deserializer = new XmlSerializer(typeof(Pig.Player));
Pig.Player aiPlayer = new Pig.Player();
FileStream openFile = new FileStream("basePlayer.dat", FileMode.Open);
Pig.Player tempPlayer;
try
{
tempPlayer = (Pig.Player)deserializer.Deserialize(openFile);
}
catch (Exception err)
{
System.Windows.Forms.MessageBox.Show(err.Message);
throw;
}
openFile.Close();
aiPlayer = new Pig.Player(tempPlayer);
injectGen.Players[0] = aiPlayer;
}
public void CreateGen()
{
List <Pig.Player> newPlayers = new List <Pig.Player>();
foreach (Pig.Player player in Players)
{
player.averageFitness = player.totalFitness / player.gameCount;
}
Players.Sort((a, b) => b.averageFitness.CompareTo(a.averageFitness));
double totalSqrtFitness = 0;
totalSqrtFitness = Players.Sum(x => Math.Pow(x.averageFitness, genPlayerFitScale));
maxFitness = Players[0].averageFitness;
newPlayers.Add(new Pig.Player(Players[0]));
newPlayers.Add(new Pig.Player(Players[1]));
newPlayers.Add(new Pig.Player(Players[2]));
for (int i = 3; i < Players.Count; i++)
{
Pig.Player cross1 = GetRandomMember(totalSqrtFitness);
//Pig.Player cross2 = GetRandomMember(totalSqrtFitness - Math.Pow(cross1.averageFitness, genPlayerFitScale), cross1);
Pig.Player cross2 = GetRandomMember(totalSqrtFitness);
Pig.Player newPlayer = new Pig.Player(cross1, cross2);
newPlayer.Mutate();
newPlayers.Add(newPlayer);
}
Players = newPlayers; //copy over new players
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
FileStream openFile = new FileStream("bestPlayer.dat", FileMode.Open);
Pig.Player tempPlayer = (Pig.Player)deserializer.Deserialize(openFile);
aiPlayer = new Pig.Player(tempPlayer.net);
aiTimer.Tick += aiTimer_Tick;
aiTimer.Interval = new TimeSpan(0, 0, 0, 0, 500);
}
private void BaselineBtn_Click(object sender, RoutedEventArgs e)
{
Pig.Player humanPlayer = new Pig.Player();
XmlSerializer deserializer = new XmlSerializer(typeof(Pig.Player));
Pig.Player aiPlayer = new Pig.Player();
FileStream openFile = new FileStream("basePlayer.dat", FileMode.Open);
Pig.Player tempPlayer;
try
{
tempPlayer = (Pig.Player)deserializer.Deserialize(openFile);
}
catch (Exception err)
{
System.Windows.Forms.MessageBox.Show(err.Message);
throw;
}
//creation of two players
openFile.Close();
aiPlayer = new Pig.Player(tempPlayer);
Pig.Player bestCurrentPlayer = new Pig.Player(aiGeneration.Players[0]);
for (int i = 0; i < 10000; i++)
{
//get two players
Pig.Pig game;
if (rndGen.NextDouble() > 0.5) // to change who is starting player
{
game = new Pig.Pig(aiPlayer, bestCurrentPlayer);
}
else
{
game = new Pig.Pig(bestCurrentPlayer, aiPlayer);
}
while (!game.hasEnded && game.turnCount < game.maxTurns)
{
//breaks here
game.PlayRound();
}
aiPlayer.gameCount++;
bestCurrentPlayer.gameCount++;
game.CalculateFitness();
}
//ratio of fitness of bestplayer to otherplayer
baseLbl.Content = bestCurrentPlayer.totalFitness / aiPlayer.totalFitness;
}
public void CreateGen()
{
List <Pig.Player> newPlayers = new List <Pig.Player>();
foreach (Pig.Player player in Players)
{
player.averageFitness = player.totalFitness / player.gameCount;
}
Players.Sort((a, b) => b.averageFitness.CompareTo(a.averageFitness));
double totalSqrtFitness = 0;
totalSqrtFitness = Players.Sum(x => Math.Pow(x.averageFitness, genPlayerFitScale));
maxFitness = Players[0].averageFitness;
for (int i = 0; i < 6; i++)
{
newPlayers.Add(new Pig.Player(Players[i]));
}
//using (var stringwriter = new System.IO.StringWriter())
//{
// Type[] types = new Type[3];
// types[0] = typeof(NN.NeuralNet);
// types[1] = typeof(NN.Neuron);
// types[2] = typeof(NN.Layer);
// var serializer = new XmlSerializer(Players[0].GetType(), types);
// serializer.Serialize(stringwriter, Players[0]);
// File.WriteAllText("bestPlayer.dat", stringwriter.ToString());
//}
for (int i = 6; i < Players.Count; i++)
{
Pig.Player cross1 = GetRandomMember(totalSqrtFitness);
//Pig.Player cross2 = GetRandomMember(totalSqrtFitness - Math.Pow(cross1.averageFitness, genPlayerFitScale), cross1);
Pig.Player cross2 = GetRandomMember(totalSqrtFitness);
Pig.Player newPlayer = new Pig.Player(cross1, cross2);
newPlayer.Mutate(Constants.mutationRate, Constants.percentMutate);
newPlayers.Add(newPlayer);
}
Players = newPlayers; //copy over new players
//foreach (Pig.Player player in Players)
//{
// player.net._outputLayer._neurons[0]._weights[0] = 0;
// player.net._outputLayer._neurons[0]._weights[1] = 1;
//}
}
public void PlayGame()
{
if (versusIndex == playerIndex)
{
versusIndex++;
}
if (versusIndex >= Players.Count)
{
playerIndex++;
versusIndex = 0;
}
if (playerIndex >= Players.Count)
{
if (_currentGenIteration < _iterationsPerGeneration)
{
//resets player
versusIndex = 0;
playerIndex = 0;
_currentGenIteration++;
}
else
{
//reset generation
_currentGenIteration = 0;
versusIndex = 0;
playerIndex = 0;
CreateGen();
currentGen++;
}
}
else
{
Pig.Player p1 = Players[playerIndex];
Pig.Player p2 = Players[versusIndex];
versusIndex++;
//get two players
Pig.Pig game = new Pig.Pig(p1, p2);
game.trainType = trainType;
while (!game.hasEnded && game.turnCount < game.maxTurns)
{
//breaks here
game.PlayRound();
Constants.debugGen++;
}
p1.gameCount++;
p2.gameCount++;
game.CalculateFitness();
}
}
public void PlayGenIteration()
{
int playerIndex = 0;
int versusIndex = 0;
while (true)
{
if (versusIndex == playerIndex)
{
versusIndex++;
}
if (versusIndex >= Players.Count)
{
playerIndex++;
versusIndex = 0;
}
if (playerIndex >= Players.Count)
{
Thread.CurrentThread.Abort();
//done the work end thread
}
else
{
Pig.Player p1 = Players[playerIndex];
Pig.Player p2 = Players[versusIndex];
versusIndex++;
//get two players
Pig.Pig game = new Pig.Pig(p1, p2);
while (!game.hasEnded && game.turnCount < game.maxTurns)
{
//breaks here
game.PlayRound();
Constants.debugGen++;
}
p1.gameCount++;
p2.gameCount++;
game.CalculateFitness();
}
}
}
public void PlayGame()
{
if (versusIndex == playerIndex)
{
versusIndex++;
}
if (versusIndex >= Players.Count)
{
playerIndex++;
versusIndex = 0;
}
if (playerIndex >= Players.Count)
{
CreateGen();
currentGen++;
versusIndex = 0;
playerIndex = 0;
}
else
{
Pig.Player p1 = Players[playerIndex];
Pig.Player p2 = Players[versusIndex];
versusIndex++;
//get two players
Pig.Pig game = new Pig.Pig(p1, p2);
while (!game.hasEnded && game.turnCount < game.maxTurns)
{
//breaks here
game.PlayRound();
Constants.debugGen++;
}
p1.gameCount++;
p2.gameCount++;
game.CalculateFitness();
}
}
private void CalcBaseline()
{
Pig.Player humanPlayer = new Pig.Player();
XmlSerializer deserializer = new XmlSerializer(typeof(Pig.Player));
Pig.Player aiPlayer = new Pig.Player();
int wins = 0;
int gameIterations = 10000;
FileStream openFile = new FileStream("basePlayer.dat", FileMode.Open);
Pig.Player tempPlayer;
try
{
tempPlayer = (Pig.Player)deserializer.Deserialize(openFile);
}
catch (Exception err)
{
System.Windows.Forms.MessageBox.Show(err.Message);
throw;
}
//creation of two players
openFile.Close();
aiPlayer = new Pig.Player(tempPlayer);
Pig.Player bestCurrentPlayer = new Pig.Player(aiGeneration.Players[0]);
for (int i = 0; i < gameIterations; i++)
{
//get two players
Pig.Pig game;
if (rndGen.NextDouble() > 0.5) // to change who is starting player
{
game = new Pig.Pig(aiPlayer, bestCurrentPlayer);
}
else
{
game = new Pig.Pig(bestCurrentPlayer, aiPlayer);
}
game.trainType = aiGeneration.trainType;
while (!game.hasEnded && game.turnCount < game.maxTurns)
{
//breaks here
game.PlayRound();
}
if (game.hasEnded && game._winnerPlayer == bestCurrentPlayer)
{
wins++;
}
aiPlayer.gameCount++;
bestCurrentPlayer.gameCount++;
game.CalculateFitness();
}
//ratio of fitness of bestplayer to otherplayer
//baseLbl.Content = bestCurrentPlayer.totalFitness / aiPlayer.totalFitness;
baseLbl.Content = ((double)wins / (double)gameIterations * 100) + "%";
}