public BotResponse GetResponse(TimeSpan time)
{
if (TableCount != Table.Count)
{
Own.Odds = null;
TableCount = Table.Count;
}
if (!Own.Odds.HasValue)
{
Own.Odds = PokerHandEvaluator.GetOdds(Hand, Table);
}
var state = new ActorState()
{
Round = Current.Round,
SubRound = Current.SubRound,
Step = 1 + Own.Actions.Count,
BigBlind = Matches.Current.BigBlind,
Odds = Own.Odds.Value,
OwnStack = Own.Stack,
OwnPot = Own.Pot,
OtherStack = Other.Stack,
OtherPot = Other.Pot,
};
var option = Actor.GetOption(state);
var response = new BotResponse()
{
Action = option.Action,
Log = GetLog(state, option),
};
return response;
}
public ActionOption GetOption(ActorState state)
{
if (state.AmountToCall == state.SmallBlind && state.Odds > 0.52)
{
return new ActionOption(GameAction.Call, state.AmountToCall * (state.Odds - 0.5));
}
var options = new ActionOptions();
if (state.NoAmountToCall)
{
options.Add(new ActionOption(GameAction.Check, state.Odds * state.Pot, 1));
}
else
{
options.Add(GameAction.Call);
}
if (state.AmountToCall != state.SmallBlind)
{
var step = 1 + ((state.MaximumRaise - state.BigBlind) >> 4);
for (var raise = state.BigBlind; raise <= state.MaximumRaise; raise += step)
{
options.Add(GameAction.Raise(raise));
}
}
// Only add a fold if we have to call, and there is a change that we
// can play a next round.
if (!state.NoAmountToCall && state.OtherPot >= state.BigBlind)
{
options.Add(GameAction.Fold);
}
Node test = state.ToNode();
options.Sort(test, Nodes);
var best = SelectOption(options);
if (best.Action != GameAction.Fold)
{
if (best.Action != GameAction.Check)
{
test.Profit = (short)state.OwnPot;
test.Action = best.Action;
test.IsNew = true;
Buffer.Add(test);
}
}
else if(options.Count > 1)
{
best = new ActionOption(GameAction.Fold, options[1].Profit, options[1].Weight);
}
return best;
}
private string GetLog(ActorState state, ActionOption best)
{
var log = new StringBuilder();
log.AppendFormat("{0:00}.{1,-5}", Current.Round, Current.SubRound)
.Append(' ').Append(Hand);
if (Current.SubRound != SubRoundType.Pre)
{
log.AppendFormat(", {0}", Table);
}
log.AppendFormat(", {0:0.0%}", state.Odds)
.Append(", ")
.Append(best.Action)
.Append(" ")
.Append(best.Profit > 0 ? "+" : "")
.Append(best.Profit.ToString("#,##0.0"));
return log.ToString();
}
private static void TestSelect(IEnumerable<double> odds, ActorState state)
{
var sw = Stopwatch.StartNew();
foreach (var odd in odds)
{
var st = new ActorState()
{
BigBlind = state.BigBlind,
Odds = odd,
OwnPot = state.OwnPot,
OtherPot = state.OtherPot,
OwnStack = state.OwnStack,
OtherStack = state.OtherStack,
Round = state.Round,
Step = state.Step,
SubRound = state.SubRound,
};
var option = Act.GetOption(st);
Console.WriteLine("{0:00.0%} {1}", odd, option);
}
Console.WriteLine(sw.Elapsed);
}