Added commissions system

Source/NakedDesire/Stats/StatsManager.h

@@ -9,6 +9,7 @@
 class UClothingManager;
 class ANakedDesireCharacter;
 DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FAttributeUpdateSignature, float, CurrentValue, float, MaxValue);
+DECLARE_DYNAMIC_MULTICAST_DELEGATE(FObserversChangedSignature);
 
 
 UCLASS( ClassGroup=(Custom), meta=(BlueprintSpawnableComponent) )
@@ -47,6 +48,14 @@ public:
 	// body parts that observer can actually see (GDD §7.1).
 	void SetObserved(bool bObserved, AActor* Observer);
 
+	// Number of NPCs currently perceiving the player (used by commission objectives, §13.4).
+	UFUNCTION(BlueprintPure)
+	int32 GetObserverCount() const;
+
+	// Fires whenever the observer set changes (an NPC gains or loses sight of the player).
+	UPROPERTY(BlueprintAssignable)
+	FObserversChangedSignature OnObserversChanged;
+
 	UFUNCTION(BlueprintCallable)
 	void IncreaseEmbarrassment(float Amount);
 	void DecreaseEmbarrassment(float Amount);