/** Applies radial forces - Assumes caller has obtained writer lock */
void FPhysSubstepTask::ApplyRadialForces_AssumesLocked(const FPhysTarget& PhysTarget, FBodyInstance* BodyInstance)
{
#if WITH_PHYSX
/** Apply Torques */
PxRigidBody* PRigidBody = BodyInstance->GetPxRigidBody_AssumesLocked();
for (int32 i = 0; i < PhysTarget.RadialForces.Num(); ++i)
{
const FRadialForceTarget& RadialForceTArget= PhysTarget.RadialForces[i];
AddRadialForceToPxRigidBody_AssumesLocked(*PRigidBody, RadialForceTArget.Origin, RadialForceTArget.Radius, RadialForceTArget.Strength, RadialForceTArget.Falloff, RadialForceTArget.bAccelChange);
}
#endif
}
void UDestructibleComponent::AddRadialForce(FVector Origin, float Radius, float Strength, ERadialImpulseFalloff Falloff, bool bAccelChange /* = false */)
{
#if WITH_APEX
if(bIgnoreRadialForce)
{
return;
}
if (ApexDestructibleActor == NULL)
{
return;
}
PxRigidDynamic** PActorBuffer = NULL;
PxU32 PActorCount = 0;
if (ApexDestructibleActor->acquirePhysXActorBuffer(PActorBuffer, PActorCount, NxDestructiblePhysXActorQueryFlags::Dynamic))
{
PxScene* LockedScene = NULL;
while (PActorCount--)
{
PxRigidDynamic* PActor = *PActorBuffer++;
if (PActor != NULL)
{
if (!LockedScene)
{
LockedScene = PActor->getScene();
LockedScene->lockWrite();
LockedScene->lockRead();
}
AddRadialForceToPxRigidBody_AssumesLocked(*PActor, Origin, Radius, Strength, Falloff, bAccelChange);
}
if (LockedScene)
{
LockedScene->unlockRead();
LockedScene->unlockWrite();
LockedScene = NULL;
}
}
ApexDestructibleActor->releasePhysXActorBuffer();
}
#endif // #if WITH_APEX
}
void FPhysScene::AddRadialForceToBody_AssumesLocked(FBodyInstance* BodyInstance, const FVector& Origin, const float Radius, const float Strength, const uint8 Falloff, bool bAccelChange, bool bAllowSubstepping)
{
#if WITH_PHYSX
if (PxRigidBody * PRigidBody = BodyInstance->GetPxRigidBody_AssumesLocked())
{
#if WITH_SUBSTEPPING
uint32 BodySceneType = SceneType_AssumesLocked(BodyInstance);
if (bAllowSubstepping && IsSubstepping(BodySceneType))
{
FPhysSubstepTask * PhysSubStepper = PhysSubSteppers[BodySceneType];
PhysSubStepper->AddRadialForceToBody_AssumesLocked(BodyInstance, Origin, Radius, Strength, Falloff, bAccelChange);
}
else
#endif
{
AddRadialForceToPxRigidBody_AssumesLocked(*PRigidBody, Origin, Radius, Strength, Falloff, bAccelChange);
}
}
#endif
}
