Setup NPC director

Source/NakedDesire/NPC/NPCAIController.h

@@ -25,10 +25,16 @@ class NAKEDDESIRE_API ANPCAIController : public ADetourCrowdAIController
 public:
 	ANPCAIController();
 
+	// Clears any active observation of the player (used on un-possess and when the NPC is pooled out).
+	void ClearObservation();
+
 protected:
 	UFUNCTION()
 	void OnTargetPerceptionUpdate(AActor* Actor, FAIStimulus Stimulus);
-	
+
+	// Observation weight of the possessed NPC's type (§10.2), 1.0 if not an ANPC.
+	float GetObservationWeight() const;
+
 	virtual void OnPossess(APawn* InPawn) override;
 	virtual void OnUnPossess() override;
 };