some problems fixed

src/states/State.h

@@ -40,6 +40,8 @@ struct StateContext {
     // Audio / SFX - forward declared types in main
     // Pointers to booleans/flags used by multiple states
     bool* musicEnabled = nullptr;
+    bool* musicStarted = nullptr;
+    bool* musicLoaded = nullptr;
     int* startLevelSelection = nullptr;
     int* hoveredButton = nullptr;
     // Menu popups (exposed from main)