- if (!scenery_loaded && globals->get_tile_mgr()->isSceneryLoaded()
- && fgGetBool("sim/fdm-initialized")) {
- fgSetBool("sim/sceneryloaded",true);
- if (fgGetBool("/sim/sound/working")) {
- globals->get_soundmgr()->activate();
+ if (!scenery_loaded)
+ {
+ if (globals->get_tile_mgr()->isSceneryLoaded()
+ && fgGetBool("sim/fdm-initialized")) {
+ fgSetBool("sim/sceneryloaded",true);
+ if (fgGetBool("/sim/sound/working")) {
+ globals->get_soundmgr()->activate();
+ }
+ globals->get_props()->tie("/sim/sound/devices/name",
+ SGRawValueFunctions<const char *>(0, fgSetNewSoundDevice), false);
+ }
+ else
+ {
+ // be nice to loader threads while waiting for initial scenery, reduce to 2fps
+ simgear::sleepForMSec(500);
+ }
+ }
+
+ // print timing statistics
+ static bool _lastStatisticsFlag = false;
+ if (_lastStatisticsFlag != _statisticsFlag->getBoolValue())
+ {
+ // flag has changed, update subsystem manager
+ _lastStatisticsFlag = _statisticsFlag->getBoolValue();
+ globals->get_subsystem_mgr()->collectDebugTiming(_lastStatisticsFlag);
+ }
+ if (_lastStatisticsFlag)
+ {
+ static double elapsed = 0;
+ elapsed += real_dt;
+ if (elapsed >= _statisticsInterval->getDoubleValue())
+ {
+ // print and reset timing statistics
+ globals->get_subsystem_mgr()->printTimingStatistics(_statiticsMinTime->getDoubleValue(),
+ _statiticsMinJitter->getDoubleValue());
+ elapsed = 0;