/* Alternative development for introducing errors to play.
* private List<PlayHint> Errorify(GameState gamestate, List<PlayHint> play_hints)
* {
* if (play_hints.Count <= 1)
* return play_hints;
*
* double best_equity = play_hints[0].Equity;
*
* double diff = best_equity - play_hints[1].Equity;
* if (diff > 0.015)
* return play_hints;
*
* List<PlayHint> swapped = new List<PlayHint>();
*
* double doubtful = 0.04;
* double bad = 0.08;
* double very_bad = 0.16;
*
* // Handle special cases like 6 or 5-prime completion, bearoff, hitting
*
* for (int i = 1; i < play_hints.Count; i++)
* {
* diff = best_equity - play_hints[i].Equity;
*
* }
*
* return swapped;
* }*/
public override List <PlayHint> PlayHint(GameState gamestate, int max_hints)
{
Stopwatch sw = Stopwatch.StartNew();
if (gamestate.Board.IsPureRace() && gamestate.Board.IsBearoff(gamestate.PlayerOnRoll))
{
List <PlayHint> play_hints = gnubg.PlayHint(gamestate, max_hints);
for (int i = 0; i < play_hints.Count; i++)
{
bool all_bearoffs = true;
foreach (Move move in play_hints[i].Play)
{
if (!move.IsBearOff)
{
all_bearoffs = false;
break;
}
}
if (all_bearoffs)
{
PlayHint tmp = play_hints[i];
play_hints[i] = play_hints[0];
play_hints[0] = tmp;
}
}
Console.WriteLine("[Play Hints] " + sw.ElapsedMilliseconds + "ms.");
return(play_hints);
}
List <PlayHint> hints = gnubg.PlayHint(gamestate, max_hints);
Console.WriteLine("[Play Hints] " + sw.ElapsedMilliseconds + "ms.");
return(hints);
}
public override PlayHint PlayHint(GameState gamestate)
{
if (gamestate.Board.IsPureRace() && gamestate.Board.IsBearoff(gamestate.PlayerOnRoll))
{
List <PlayHint> play_hints = gnubg.PlayHint(gamestate, 500);
foreach (PlayHint play_hint in play_hints)
{
bool all_bearoffs = true;
foreach (Move move in play_hint.Play)
{
if (!move.IsBearOff)
{
all_bearoffs = false;
break;
}
}
if (all_bearoffs)
{
return(play_hint);
}
}
// Didn't find anything qualifying, just return the first.
return(play_hints[0]);
}
Stopwatch sw = Stopwatch.StartNew();
PlayHint hint = gnubg.PlayHint(gamestate);
Console.WriteLine("[Play Hint] " + sw.ElapsedMilliseconds + "ms.");
return(hint);
}
