Method frame

src/device/device.cpp:466–569

}

bool Device::frame()
{
	if (CE_UNLIKELY(process_events() || _quit != 0))
		return true;

	if (CE_UNLIKELY(_paused == 0 && _last_paused == 1)) {
		_last_paused = 0;
		logi(DEVICE, "Resumed");
	} else if (CE_UNLIKELY(_paused == 1 && _last_paused == 0)) {
		_last_paused = 1;
		logi(DEVICE, "Paused");

		// Having the cursor hidden while the game is paused
		// is confusing and should be avoided.
		if (_window)
			_window->set_cursor_mode(CursorMode::NORMAL);
	}

	if (CE_UNLIKELY(_width != _prev_width || _height != _prev_height)) {
		_prev_width = _width;
		_prev_height = _height;
		bgfx::reset(_width, _height, (_boot_config.vsync ? BGFX_RESET_VSYNC : BGFX_RESET_NONE));
		_pipeline->reset(_width, _height);

		// Force pipeline reset in one cycle.
		bgfx::frame();
		bgfx::frame();

		// Force redraw.
		++_needs_draw;
	}

	// Only block if redraw is not needed.
	const bool sync = !_needs_draw;
#if !CROWN_PLATFORM_EMSCRIPTEN
	_console_server->execute_message_handlers(sync);
#endif

	if (CE_UNLIKELY(!_needs_draw))
		return false;

	const s64 time = time::now();
	const s64 raw_dt_ticks = time - _last_time;
	const f32 raw_dt = f32(time::seconds(raw_dt_ticks));
	_last_time = time;

	profiler_globals::clear();
	RECORD_FLOAT("device.dt", raw_dt);
	RECORD_FLOAT("device.fps", 1.0f/raw_dt);

	f32 dt;
	if (_timestep_policy == TimestepPolicy::SMOOTHED) {
		f32 smoothed_dt = _delta_time_filter.filter(raw_dt_ticks);
		RECORD_FLOAT("device.smoothed_dt", smoothed_dt);
		RECORD_FLOAT("device.smoothed_fps", 1.0f/smoothed_dt);
		dt = smoothed_dt;
	} else {
		dt = raw_dt;