Method run

src/Engine/Game.cpp:142–315

* The state machine takes care of passing all the events from SDL to the * active state, running any code within and blitting all the states and * cursor to the screen. This is run indefinitely until the game quits. */

 * cursor to the screen. This is run indefinitely until the game quits.
 */
void Game::run()
{
	enum ApplicationState { RUNNING = 0, SLOWED = 1, PAUSED = 2 } runningState = RUNNING;
	static const ApplicationState kbFocusRun[4] = { RUNNING, RUNNING, SLOWED, PAUSED };
	static const ApplicationState stateRun[4] = { SLOWED, PAUSED, PAUSED, PAUSED };
	// this will avoid processing SDL's resize event on startup, workaround for the heap allocation error it causes.
	bool startupEvent = Options::allowResize;
	while (!_quit)
	{
		// Clean up states
		while (!_deleted.empty())
		{
			delete _deleted.back();
			_deleted.pop_back();
		}

		// Initialize active state
		if (!_init)
		{
			_init = true;
			_states.back()->init();

			// Unpress buttons
			_states.back()->resetAll();

			// Refresh mouse position
			SDL_Event ev;
			int x, y;
			SDL_GetMouseState(&x, &y);
			ev.type = SDL_MOUSEMOTION;
			ev.motion.x = x;
			ev.motion.y = y;
			Action action = Action(&ev, _screen->getXScale(), _screen->getYScale(), _screen->getCursorTopBlackBand(), _screen->getCursorLeftBlackBand());
			_states.back()->handle(&action);
		}

		// Process events
		while (SDL_PollEvent(&_event))
		{
			if (CrossPlatform::isQuitShortcut(_event))
				_event.type = SDL_QUIT;
			switch (_event.type)
			{
				case SDL_QUIT:
					quit();
					break;
				case SDL_ACTIVEEVENT:
					switch (reinterpret_cast<SDL_ActiveEvent*>(&_event)->state)
					{
						case SDL_APPACTIVE:
							runningState = reinterpret_cast<SDL_ActiveEvent*>(&_event)->gain ? RUNNING : stateRun[Options::pauseMode];
							break;
						case SDL_APPMOUSEFOCUS:
							// We consciously ignore it.
							break;
						case SDL_APPINPUTFOCUS:
							runningState = reinterpret_cast<SDL_ActiveEvent*>(&_event)->gain ? RUNNING : kbFocusRun[Options::pauseMode];
							break;