public Action ChooseAction()
{
var processedActions = 0;
this.ActionCombinationsThisFrame = 0;
var startTime = Time.realtimeSinceStartup;
//TODO: Implement
//def planAction(worldModel, maxDepth)
float currentValue = float.MinValue;
while (this.CurrentDepth >= 0 && this.ActionCombinationsThisFrame < this.ActionCombinationsProcessedPerFrame)
{
if (this.CurrentDepth >= MAX_DEPTH)
{
currentValue = this.Models[this.CurrentDepth].CalculateDiscontentment(Goals);
if (currentValue < this.BestDiscontentmentValue)
{
this.BestDiscontentmentValue = currentValue;
this.BestAction = this.ActionPerLevel[0];
for (int i = 0; i < CurrentDepth; i++)
{
this.BestActionSequence[i] = this.ActionPerLevel[i];
}
}
this.CurrentDepth -= 1;
this.ActionCombinationsThisFrame++;
continue;
}
Action nextAction = this.Models[this.CurrentDepth].GetNextAction();
if (nextAction != null)
{
WorldModel wm = this.Models[this.CurrentDepth].GenerateChildWorldModel();
nextAction.ApplyActionEffects(wm);
if (wm.CalculateDiscontentment(Goals) < this.BestDiscontentmentValue)
{
this.Models[this.CurrentDepth + 1] = wm;
this.ActionPerLevel[this.CurrentDepth] = nextAction;
this.CurrentDepth += 1;
processedActions++;
}
}
else
{
if (this.CurrentDepth == 0 && BestAction == null)
{
this.BestAction = this.ActionPerLevel[0];
this.BestActionSequence[0] = this.BestAction;
break;
}
this.CurrentDepth -= 1;
this.ActionCombinationsThisFrame++;
}
}
this.TotalActionCombinationsProcessed += processedActions;
this.TotalProcessingTime += Time.realtimeSinceStartup - startTime;
this.InProgress = false;
return(this.BestAction);
}