Adapt for web

src/Game.h

@@ -54,6 +54,12 @@ namespace ZL {
 		void handleUp(int mx, int my);
 		void handleMotion(int mx, int my);
 
+#ifdef EMSCRIPTEN
+		static Game* s_instance;
+		static void onResourcesZipLoaded(const char* filename);
+		static void onResourcesZipError(const char* filename);
+#endif
+
 		SDL_Window* window;
 		SDL_GLContext glContext;