_draw_continue = true;

			_draw_threaded = StartNewThread(&draw_thread, "ottd:draw-win32", &PaintWindowThread);

			/* Free the mutex if we won't be able to use it. */

			if (!_draw_threaded) {

				draw_lock.unlock();

				draw_lock.release();

				delete _draw_mutex;

				delete _draw_signal;

				_draw_mutex = nullptr;

				_draw_signal = nullptr;

			} else {

				DEBUG(driver, 1, "Threaded drawing enabled");

				/* Wait till the draw thread has started itself. */

				_draw_signal->wait(*_draw_mutex);

			}

		}

	}

	_wnd.running = true;

	CheckPaletteAnim();

	for (;;) {

		while (PeekMessage(&mesg, nullptr, 0, 0, PM_REMOVE)) {

			/* Convert key messages to char messages if we want text input. */

			if (EditBoxInGlobalFocus()) TranslateMessage(&mesg);

			DispatchMessage(&mesg);

		}

		if (_exit_game) break;

#if defined(_DEBUG)

		if (_wnd.has_focus && GetAsyncKeyState(VK_SHIFT) < 0 &&

#else

		/* Speed up using TAB, but disable for ALT+TAB of course */

		if (_wnd.has_focus && GetAsyncKeyState(VK_TAB) < 0 && GetAsyncKeyState(VK_MENU) >= 0 &&

#endif

			  !_networking && _game_mode != GM_MENU) {

			_fast_forward |= 2;

		} else if (_fast_forward & 2) {

			_fast_forward = 0;

		}

		cur_ticks = std::chrono::steady_clock::now();

		/* If more than a millisecond has passed, increase the _realtime_tick. */

		if (cur_ticks - last_realtime_tick > std::chrono::milliseconds(1)) {

			auto delta = std::chrono::duration_cast<std::chrono::milliseconds>(cur_ticks - last_realtime_tick);

			_realtime_tick += delta.count();