Added function that returns the current time in milliseconds

include/GameEngine.h

@@ -28,6 +28,8 @@ bool init_engine(const char *game_name, WindowSize window_size,
 
 bool game_running();
 void close_engine();
+
+int64_t get_time();
 // END GENERAL ENGINE API
 
 // ASSET MANAGEMENT API

src/GameEngine.c

@@ -172,6 +172,8 @@ void close_engine() {
 #endif /* DEBUG_ENGINE */
 }
 
+int64_t get_time() { return SDL_GetTicks64(); }
+
 ObjectID add_object(void *object, EventHandlerPtr event_handler,
                     UpdateFuncPtr update_func, RenderFuncPtr render_func) {
   if (!(GameEngine.running) || !(GameEngine.object_store)) {