public void DecideGoalBehavior()
{
lastBehaviorDecision = GameTimer.Instance.GetFrameTimestamp();
IReadonlyListX <DecisionContext> goalContexts = activeGoal.GetExecutionContexts(entity);
float maxScore = float.MinValue;
activeContext = null;
activeBehavior = null;
for (int i = 0; i < behaviors.Count; i++)
{
AIBehavior behavior = behaviors[i];
if (!behavior.CanSatisfyGoalType(activeGoal.goalType))
{
// continue;
}
DecisionContext context;
float score = AIUtil.Score(goalContexts, behavior.considerations, maxScore, out context);
if (score > maxScore)
{
maxScore = score;
activeBehavior = behavior;
activeContext = context;
}
}
}
public static float Score(IReadonlyListX <DecisionContext> contexts, Consideration[] considerations, float cutoff, out DecisionContext outputContext)
{
int length = contexts.Count;
int considerationCount = considerations.Length;
float modFactor = 1f - (1f / considerationCount);
float maxScore = float.MinValue;
outputContext = null;
DecisionContext[] rawList = contexts.RawArray;
for (int i = 0; i < length; i++)
{
DecisionContext context = rawList[i];
float finalScore = 1 + 0; //todo -- bonus / personality influence
for (int j = 0; j < considerationCount; j++)
{
if (finalScore < 0 || finalScore < cutoff)
{
break;
}
Consideration consideration = considerations[j];
UnityEngine.Debug.Assert(consideration != null, nameof(consideration) + " != null");
float score = consideration.curve.Evaluate(consideration.Score(context));
float makeUpValue = (1f - score) * modFactor;
float total = score + (makeUpValue * score);
finalScore *= MathUtil.Clamp01(total);
}
if (finalScore > maxScore)
{
maxScore = finalScore;
outputContext = context;
}
}
return(maxScore);
}
public virtual float Score(DecisionContext context)
{
return(1f);
}
public float Score(DecisionContext context, float maxScore)
{
return(1f);
}
public abstract void SetContext(DecisionContext bestResultContext);