Added world items to save game

Source/NakedDesire/Items/ItemInstance.cpp

@@ -15,3 +15,8 @@ void UItemInstance::PostDuplicate(EDuplicateMode::Type DuplicateMode)
 	Super::PostDuplicate(DuplicateMode);
 	InstanceId = FGuid::NewGuid();
 }
+
+void UItemInstance::SetInstanceId(FGuid InId)
+{
+	InstanceId = InId;
+}

Source/NakedDesire/Items/ItemInstance.h

@@ -13,8 +13,8 @@ public:
 	virtual void PostInitProperties() override;
 	virtual void PostDuplicate(EDuplicateMode::Type DuplicateMode) override;
 
-	UFUNCTION(BlueprintPure, Category = "Item")
 	FGuid GetInstanceId() const { return InstanceId; }
+	void SetInstanceId(FGuid InId);
 	
 protected:
 	UPROPERTY(VisibleAnywhere, SaveGame, BlueprintReadOnly, Category = "Item", meta = (AllowPrivateAccess = "true"))