Fixed loader, main menu and level selector

src/core/AssetManager.h

@@ -69,6 +69,13 @@ public:
     void addLoadingTask(const LoadingTask& task);
     void executeLoadingTasks(std::function<void(float)> progressCallback = nullptr);
     void clearLoadingTasks();
+    void update(float deltaTime); // New: Progressive loading update
+    
+    // Loading progress tracking
+    bool isLoadingComplete() const;
+    float getLoadingProgress() const;
+    size_t getTotalLoadingTasks() const { return m_totalLoadingTasks; }
+    size_t getCompletedLoadingTasks() const { return m_completedLoadingTasks; }
 
     // Resource queries
     size_t getTextureCount() const { return m_textures.size(); }
@@ -88,6 +95,18 @@ private:
     std::unordered_map<std::string, SDL_Texture*> m_textures;
     std::unordered_map<std::string, std::unique_ptr<FontAtlas>> m_fonts;
     std::vector<LoadingTask> m_loadingTasks;
+    
+    // Loading progress tracking
+    size_t m_totalLoadingTasks = 0;
+    size_t m_completedLoadingTasks = 0;
+    bool m_loadingComplete = false;
+    
+    // Progressive loading state
+    bool m_isProgressiveLoading = false;
+    size_t m_currentTaskIndex = 0;
+    Uint64 m_lastLoadTime = 0;
+    bool m_musicLoadingStarted = false;
+    float m_musicLoadingProgress = 0.0f;
 
     // System references
     SDL_Renderer* m_renderer;