Function _UI_Refresh

code/ui/ui_main.cpp:482–547

#define	UI_FPS_FRAMES	4
void _UI_Refresh( int realtime )
{
	static int index;
	static int	previousTimes[UI_FPS_FRAMES];

	if ( !( Key_GetCatcher() & KEYCATCH_UI ) )
	{
		return;
	}

	extern void SE_CheckForLanguageUpdates(void);
	SE_CheckForLanguageUpdates();

	if ( Menus_AnyFullScreenVisible() )
	{//if not in full screen, don't mess with ghoul2
		//rww - ghoul2 needs to know what time it is even if the client/server are not running
		//FIXME: this screws up the game when you go back to the game...
		re.G2API_SetTime(realtime, 0);
		re.G2API_SetTime(realtime, 1);
	}

	uiInfo.uiDC.frameTime = realtime - uiInfo.uiDC.realTime;
	uiInfo.uiDC.realTime = realtime;

	previousTimes[index % UI_FPS_FRAMES] = uiInfo.uiDC.frameTime;
	index++;
	if ( index > UI_FPS_FRAMES )
	{
		int i, total;
		// average multiple frames together to smooth changes out a bit
		total = 0;
		for ( i = 0 ; i < UI_FPS_FRAMES ; i++ )
		{
			total += previousTimes[i];
		}
		if ( !total )
		{
			total = 1;
		}
		uiInfo.uiDC.FPS = 1000 * UI_FPS_FRAMES / total;
	}

	UI_UpdateCvars();

	if (Menu_Count() > 0)
	{
		// paint all the menus
		Menu_PaintAll();
		// refresh server browser list
//		UI_DoServerRefresh();
		// refresh server status
//		UI_BuildServerStatus(qfalse);
		// refresh find player list
//		UI_BuildFindPlayerList(qfalse);
	}

	// draw cursor
	UI_SetColor( NULL );