/// <summary>
/// Computes the world model's urgency.
/// </summary>
/// <param name="factSelectionMode">Method by which to compute fact urgency.</param>
/// <param name="mostUrgentFacts">Gets set to a list of most-urgent facts in the world model.</param>
/// <param name="ignoreList">Ignore entities named in this list when computing urgency.</param>
/// <param name="numTopFactsToChoose">Maximum number of most-urgent facts to return in mostUrgentFacts.</param>
/// <param name="debug">If true, logs details of this function's operation.</param>
/// <returns>The cumulative urgency of all facts in the world model.</returns>
public float ComputeUrgency(UrgentFactSelectionMode factSelectionMode, out Fact[] mostUrgentFacts, string[] ignoreList = null, bool debug = false)
{
var mostUrgentFactsList = new List <Fact>(); // Maintained in ascending urgency, up to factionSelectMode.max facts.
Fact mostUrgentFact = null;
int maxUrgentFacts = factSelectionMode.max;
float cumulativeUrgency = 0;
float minTopUrgency = Mathf.NegativeInfinity; // Urgency of least-urgent fact in mostUrgentFacts[].
var debugInfo = QuestMachine.debug ? "WORLD MODEL: (observer:" + observer.entityType.name + ")\n" : string.Empty;
for (int i = 0; i < facts.Count; i++)
{
var fact = facts[i];
if (fact == null || fact.entityType == null)
{
continue;
}
if (ShouldIgnore(fact.entityType.name, ignoreList))
{
continue;
}
observed = fact;
var urgency = GetFactUrgency(fact);
urgency = factSelectionMode.AdjustUrgency(urgency);
fact.urgency = urgency;
cumulativeUrgency += urgency;
if (urgency > 0 && (mostUrgentFactsList.Count < maxUrgentFacts || urgency > minTopUrgency))
{
if (mostUrgentFactsList.Count >= maxUrgentFacts)
{
mostUrgentFactsList.RemoveAt(0);
}
var added = false;
for (int j = 0; j < mostUrgentFactsList.Count; j++)
{
if (mostUrgentFactsList[j].urgency > urgency)
{
mostUrgentFactsList.Insert(j, fact);
added = true;
break;
}
}
if (!added)
{
mostUrgentFactsList.Add(fact);
}
mostUrgentFact = fact;
minTopUrgency = mostUrgentFactsList[0].urgency;
}
if (debug)
{
debugInfo += string.Format("Domain:{0}, EntityType:{1}, Count:{2}\n", new object[] { fact.domainType.name, fact.entityType.name, fact.count });
debugInfo += string.Format(" Urgency:{0}\n", new object[] { urgency });
}
}
mostUrgentFact = (mostUrgentFactsList.Count > 0) ? mostUrgentFactsList[mostUrgentFactsList.Count - 1] : null;
if (debug)
{
if (mostUrgentFact != null)
{
debugInfo += string.Format("MOST URGENT: Domain:{0}, EntityType:{1}, Count:{2}, Urgency:{3}\n", new object[] { mostUrgentFact.domainType.name, mostUrgentFact.entityType.name, mostUrgentFact.count, minTopUrgency });
}
debugInfo += string.Format("CUMULATIVE URGENCY: {0}", new object[] { cumulativeUrgency });
Debug.Log(debugInfo);
}
mostUrgentFacts = mostUrgentFactsList.ToArray();
return(cumulativeUrgency);
}
public WorldModel(Fact observer)
{
this.observer = observer;
}
public PlanStep(Fact fact, Action action, int requiredCounterValue = 1)
{
this.fact = fact;
this.action = action;
this.requiredCounterValue = Mathf.Min(fact.count, requiredCounterValue);
}