public Simulate Think(int depth, int alpha, int beta, IContext context)
{
//UnityEngine.Debug.LogError(depth + " [alpha = " + alpha + "][beta = " + beta + "]");
if (depth == DEPTH || context.End())
{
return new Simulate(context.Evaluate(), null);
}
else
{
object bestMove = null;
while (context.HaveChoices())
{
object move = null;
IContext newContext = context.NextChoice(ref move);
Simulate value = Think(depth + 1, -beta, -alpha, newContext);
if (-value.mEvaluate > alpha)
{
alpha = -value.mEvaluate;
bestMove = move;
}
}
return new Simulate(alpha, bestMove);
}
}
public IObservable<object> Evaluate(IContext context, object[] arguments)
{
var results = Expressions
.Select(e => context.Evaluate(e.Evaluate(context, arguments)).Wait()) // TODO: Wait() is blocking!
.ToArray()
;
try
{
ICallable callable = context.Bot.Command.CallParsed(context.ConversionContext, results);
return context.Evaluate(callable);
}
catch(Exception e)
{
return Observable.Throw<String>(e);
}
}
public IObservable<object> Evaluate(IContext context, object[] arguments)
{
return Commands
.Select(command => context.Evaluate(command.Evaluate(context, arguments)))
.Concat()
;
}
