Fix embarrassment gain/decay not tied to NPC observation state

Source/NakedDesire/Stats/StatsManager.h

@@ -19,9 +19,17 @@ class NAKEDDESIRE_API UStatsManager : public UActorComponent
 	float Energy = 1000.0f;
 	float MaxEnergy = 1000.0f;
 
+	int32 ObserverCount = 0;
+
 public:
 	UStatsManager();
 
+	UPROPERTY(EditDefaultsOnly, Category = "Embarrassment")
+	float EmbarrassmentGainRate = 10.0f;
+
+	UPROPERTY(EditDefaultsOnly, Category = "Embarrassment")
+	float EmbarrassmentDecayRate = 1.0f;
+
 protected:
 	virtual void BeginPlay() override;
 	virtual void TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
@@ -30,6 +38,10 @@ public:
 	float Stamina = 100.0f;
 	float MaxStamina = 100.0f;
 
+	// Called by NPCAIController when sight is gained or lost.
+	// CoverageWeight: fraction of body covered [0..1]; pass 0.0f until #05 (GetEffectiveCoverage) lands.
+	void SetObserved(bool bObserved, float CoverageWeight = 0.0f);
+
 	UFUNCTION(BlueprintCallable)
 	void IncreaseEmbarrassment(float Amount);
 	void DecreaseEmbarrassment(float Amount);