+ int loopCount = 1;
+ // if dt == 0.0, we are paused, so we need to run one iteration
+ // of our members; if we have a fixed update time, we compute a
+ // loop count, and locally adjust dt
+ if ((delta_time_sec > 0.0) && (_fixedUpdateTime > 0.0)) {
+ double localDelta = delta_time_sec + _updateTimeRemainder;
+ loopCount = SGMiscd::roundToInt(localDelta / _fixedUpdateTime);
+ _updateTimeRemainder = delta_time_sec - (loopCount * _fixedUpdateTime);
+ delta_time_sec = _fixedUpdateTime;
+ }
+
+ bool recordTime = (reportTimingCb != NULL);
+ SGTimeStamp timeStamp;
+ while (loopCount-- > 0) {
+ for (unsigned int i = 0; i < _members.size(); i++)
+ {
+ if (recordTime)
+ timeStamp = SGTimeStamp::now();
+
+ _members[i]->update(delta_time_sec); // indirect call
+
+ if ((recordTime)&&(reportTimingCb))
+ {
+ timeStamp = SGTimeStamp::now() - timeStamp;
+ _members[i]->updateExecutionTime(timeStamp.toUSecs());
+ }
+ }
+ } // of multiple update loop
+}
+
+void
+SGSubsystemGroup::reportTiming(void)
+{
+ for (unsigned int i = _members.size(); i > 0; i--)
+ {
+ _members[i-1]->reportTiming();
+ }