Some clean up

src/MenuManager.h

@@ -15,6 +15,7 @@ namespace ZL {
 
 	enum class GameState {
 		Gameplay,
+		Inventory,
 		QuestJournal
 	};
 
@@ -26,9 +27,15 @@ namespace ZL {
 		MenuManager(Renderer& iRenderer);
 
 		void setup(Inventory& inv, const std::string& zipFile);
+
+		void openInventory();
+		void closeInventory();
+
 		void openQuestJournal();
 		void closeQuestJournal();
 		void toggleQuestJournal();
+
+		bool isInventoryOpen()    const { return state == GameState::Inventory; }
 		bool isQuestJournalOpen() const { return state == GameState::QuestJournal; }
 
 	protected:
@@ -42,10 +49,10 @@ namespace ZL {
 		GameState state = GameState::Gameplay;
 		Inventory* inventory = nullptr;
 
-		std::shared_ptr<UiNode> ingameRoot;
+		std::shared_ptr<UiNode> hudRoot;
+		std::shared_ptr<UiNode> inventoryRoot;
 		std::shared_ptr<UiNode> questJournalRoot;
 
-		bool inventoryOpen = false;
 		int selectedQuestIndex = -1;
 		std::vector<std::string> visibleQuestIds;
 	};