/// <summary>
/// Returns the win percentage of the first controller
/// </summary>
public static double CompareAiControllers(GameInstance game, List <DNA> dnas, IMobController c1,
IMobController c2)
{
game.AssignAiControllers(c1, c2);
int redWins = 0;
int totalGames = 0;
foreach (var dna in dnas)
{
GameSetup.OverrideGameDna(game, dna, dna);
GameSetup.ResetGameAndPositions(game);
var r1 = Playout(game, c1, c2);
GameSetup.ResetGameAndPositions(game);
var r2 = Playout(game, c2, c1);
redWins += r1.RedWins;
redWins += r2.BlueWins;
Debug.Assert(r1.RedWins + r1.BlueWins <= 1);
Debug.Assert(r2.RedWins + r2.BlueWins <= 1);
totalGames += 2;
}
return((double)redWins / (double)totalGames);
}
/// <summary>
/// Runs a playout with two given controllers and reports the result.
/// </summary>
public static PlayoutResult Playout(GameInstance game, IMobController ai1, IMobController ai2)
{
var hub = new GameEventHub(game);
game.MobManager.Teams[TeamColor.Red] = ai1;
game.MobManager.Teams[TeamColor.Blue] = ai2;
const int maxIterations = 100;
int i = 0;
for (; i < maxIterations && !game.IsFinished; i++)
{
game.CurrentController.FastPlayTurn(hub);
ActionEvaluator.FNoCopy(game, UctAction.EndTurnAction());
}
float totalMaxHp = 0;
float totalCurrentHp = 0;
foreach (var mobId in game.MobManager.Mobs)
{
totalMaxHp += game.MobManager.MobInfos[mobId].MaxHp;
totalCurrentHp += Math.Max(0, game.State.MobInstances[mobId].Hp);
}
int red = 0;
int blue = 0;
Utils.Log(LogSeverity.Error, nameof(GameEvaluator),
$"Playout time limit reached at {maxIterations} rounds");
if (i < maxIterations && game.VictoryTeam.HasValue)
{
if (game.VictoryTeam.Value == TeamColor.Red)
{
red++;
}
else
{
blue++;
}
Accounting.IncrementWinner(game.VictoryController);
}
var gamePercentage = totalCurrentHp / totalMaxHp;
Debug.Assert(gamePercentage >= 0);
var mobsCount = game.MobManager.Mobs.Count;
var dis = new Normal(mobsCount * 2, mobsCount);
dis.Density(mobsCount * 2);
return(new PlayoutResult(i, gamePercentage, game.State.AllPlayed, i == maxIterations, red, blue));
}
public static void IncrementWinner(IMobController controller)
{
var type = controller.GetType();
if (type == typeof(MctsController))
{
Interlocked.Increment(ref MctsWins);
}
else if (type == typeof(AiRandomController))
{
Interlocked.Increment(ref RandomAiWins);
}
else if (type == typeof(AiRuleBasedController))
{
Interlocked.Increment(ref RuleBasedAiWins);
}
else
{
throw new ArgumentException($"Invalid type of {type}", nameof(controller));
}
}
/// <summary>
/// Runs a playout with the given encounter defined by a DNA pair and both controllers.
/// </summary>
public static int Playout(GameInstance game, DNA d1, DNA d2, IMobController c1, IMobController c2)
{
GameSetup.OverrideGameDna(game, d1, d2);
game.AssignAiControllers(c1, c2);
int iterations = Constants.MaxPlayoutEvaluationIterations;
var hub = new GameEventHub(game);
while (!game.IsFinished && iterations-- > 0)
{
game.CurrentController.FastPlayTurn(hub);
ActionEvaluator.FNoCopy(game, UctAction.EndTurnAction());
}
if (Constants.GetLogBuffer().ToString().Length != 0)
{
Console.WriteLine(Constants.GetLogBuffer());
}
Constants.ResetLogBuffer();
return(Constants.MaxPlayoutEvaluationIterations - iterations);
}
public void AssignAiControllers(IMobController c1, IMobController c2)
{
MobManager.Teams[TeamColor.Red] = c1;
MobManager.Teams[TeamColor.Blue] = c2;
}