void FPhysSubstepTask::StepSimulation(PhysXCompletionTask * Task)
{
check(SubTime > 0.f);
check(DeltaSeconds > 0.f);
FullSimulationTask = Task;
Alpha = 0.f;
StepScale = SubTime / DeltaSeconds;
TotalSubTime = 0.f;
CurrentSubStep = 0;
SubstepSimulationStart();
}
void FPhysSubstepTask::SubstepSimulationEnd(ENamedThreads::Type CurrentThread, const FGraphEventRef& MyCompletionGraphEvent)
{
CompletionEvent = NULL;
if (CurrentSubStep < NumSubsteps)
{
uint32 OutErrorCode = 0;
ApexScene->fetchResults(true, &OutErrorCode);
if (OutErrorCode != 0)
{
UE_LOG(LogPhysics, Log, TEXT("PHYSX FETCHRESULTS ERROR: %d"), OutErrorCode);
}
SubstepSimulationStart();
}
else
{
//final step we call fetch on in game thread
FullSimulationTask->removeReference();
}
}
void FPhysSubstepTask::SubstepSimulationEnd(ENamedThreads::Type CurrentThread, const FGraphEventRef& MyCompletionGraphEvent)
{
#if WITH_PHYSX
CompletionEvent = NULL;
if (CurrentSubStep < NumSubsteps)
{
uint32 OutErrorCode = 0;
{
SCOPE_CYCLE_COUNTER(STAT_TotalPhysicsTime);
SCOPE_CYCLE_COUNTER(STAT_SubstepSimulationEnd);
#if WITH_APEX
PAScene->fetchResults(true, &OutErrorCode);
#else
PAScene->lockWrite();
PAScene->fetchResults(true, &OutErrorCode);
PAScene->unlockWrite();
#endif
}
if (OutErrorCode != 0)
{
UE_LOG(LogPhysics, Log, TEXT("PHYSX FETCHRESULTS ERROR: %d"), OutErrorCode);
}
SubstepSimulationStart();
}
else
{
SCOPE_CYCLE_COUNTER(STAT_TotalPhysicsTime);
SCOPE_CYCLE_COUNTER(STAT_SubstepSimulationEnd);
//final step we call fetch on in game thread
FullSimulationTask->removeReference();
}
#endif
}
