void UPhysicsHandleComponent::OnUnregister()
{
if(GrabbedComponent)
{
ReleaseComponent();
}
#if WITH_PHYSX
if(HandleData)
{
check(KinActorData);
// use correct scene
PxScene* PScene = GetPhysXSceneFromIndex( SceneIndex );
if(PScene)
{
// destroy joint
HandleData->release();
HandleData = NULL;
// Destroy temporary actor.
KinActorData->release();
KinActorData = NULL;
}
}
#endif // WITH_PHYSX
Super::OnUnregister();
}
void UShapeComponent::CreateShapeBodySetupIfNeeded()
{
if (ShapeBodySetup == nullptr || ShapeBodySetup->IsPendingKill())
{
ShapeBodySetup = NewObject<UBodySetup>(this);
if (GUObjectArray.IsDisregardForGC(this))
{
ShapeBodySetup->AddToRoot();
}
ShapeBodySetup->CollisionTraceFlag = CTF_UseSimpleAsComplex;
AddShapeToGeomArray<ShapeElemType>();
ShapeBodySetup->bNeverNeedsCookedCollisionData = true;
bUseArchetypeBodySetup = false; //We're making our own body setup, so don't use the archetype's.
//Update bodyinstance and shapes
BodyInstance.BodySetup = ShapeBodySetup;
{
if(BodyInstance.IsValidBodyInstance())
{
#if WITH_PHYSX
SCOPED_SCENE_READ_LOCK(GetPhysXSceneFromIndex(BodyInstance.GetSceneIndex()));
TArray<PxShape *> PShapes;
BodyInstance.GetAllShapes_AssumesLocked(PShapes);
check(PShapes.Num() == 1); //Shape component should only have 1 shape
SetShapeToNewGeom<ShapeElemType>(PShapes[0]);
#endif
}
}
}
}
bool UGripMotionControllerComponent::DestroyPhysicsHandle(int32 SceneIndex, physx::PxD6Joint** HandleData, physx::PxRigidDynamic** KinActorData)
{
#if WITH_PHYSX
if (HandleData && *HandleData)
{
check(*KinActorData);
// use correct scene
PxScene* PScene = GetPhysXSceneFromIndex(SceneIndex);
if (PScene)
{
SCOPED_SCENE_WRITE_LOCK(PScene);
// Destroy joint.
(*HandleData)->release();
// Destroy temporary actor.
(*KinActorData)->release();
}
*KinActorData = NULL;
*HandleData = NULL;
}
else
return false;
#endif // WITH_PHYSX
return true;
}
void UPhysicsHandleComponent::ReleaseComponent()
{
#if WITH_PHYSX
if(GrabbedComponent)
{
if(HandleData)
{
check(KinActorData);
// use correct scene
PxScene* PScene = GetPhysXSceneFromIndex( SceneIndex );
if(PScene)
{
// Destroy joint.
HandleData->release();
// Destroy temporary actor.
KinActorData->release();
}
KinActorData = NULL;
HandleData = NULL;
}
bRotationConstrained = false;
GrabbedComponent = NULL;
GrabbedBoneName = NAME_None;
}
#endif // WITH_PHYSX
}
void FPhysScene::FDeferredSceneData::FlushDeferredActors()
{
check(AddInstances.Num() == AddActors.Num());
if (AddInstances.Num() > 0)
{
PxScene* Scene = GetPhysXSceneFromIndex(SceneIndex);
SCOPED_SCENE_WRITE_LOCK(Scene);
Scene->addActors(AddActors.GetData(), AddActors.Num());
int32 Idx = -1;
for (FBodyInstance* Instance : AddInstances)
{
++Idx;
Instance->CurrentSceneState = BodyInstanceSceneState::Added;
if(Instance->GetPxRigidDynamic_AssumesLocked())
{
// Extra setup necessary for dynamic objects.
Instance->InitDynamicProperties_AssumesLocked();
}
}
AddInstances.Empty();
AddActors.Empty();
}
check(RemoveInstances.Num() == RemoveActors.Num());
if (RemoveInstances.Num() > 0)
{
PxScene* Scene = GetPhysXSceneFromIndex(SceneIndex);
SCOPED_SCENE_WRITE_LOCK(Scene);
Scene->removeActors(RemoveActors.GetData(), RemoveActors.Num());
for (FBodyInstance* Instance : AddInstances)
{
Instance->CurrentSceneState = BodyInstanceSceneState::Removed;
}
RemoveInstances.Empty();
RemoveActors.Empty();
}
}
bool UGripMotionControllerComponent::TeleportMoveGrippedActor(AActor * GrippedActorToMove)
{
if (!GrippedActorToMove || !GrippedActors.Num())
return false;
FTransform WorldTransform;
FTransform InverseTransform = this->GetComponentTransform().Inverse();
for (int i = GrippedActors.Num() - 1; i >= 0; --i)
{
if (GrippedActors[i].Actor == GrippedActorToMove)
{
// GetRelativeTransformReverse had some serious f*****g floating point errors associated with it that was f*****g everything up
// Not sure whats wrong with the function but I might want to push a patch out eventually
WorldTransform = GrippedActors[i].RelativeTransform.GetRelativeTransform(InverseTransform);
// Need to use WITH teleport for this function so that the velocity isn't updated and without sweep so that they don't collide
GrippedActors[i].Actor->SetActorTransform(WorldTransform, false, NULL, ETeleportType::TeleportPhysics);
FBPActorPhysicsHandleInformation * Handle = GetPhysicsGrip(GrippedActors[i]);
if (Handle && Handle->KinActorData)
{
{
PxScene* PScene = GetPhysXSceneFromIndex(Handle->SceneIndex);
if (PScene)
{
SCOPED_SCENE_WRITE_LOCK(PScene);
Handle->KinActorData->setKinematicTarget(PxTransform(U2PVector(WorldTransform.GetLocation()), Handle->KinActorData->getGlobalPose().q));
Handle->KinActorData->setGlobalPose(PxTransform(U2PVector(WorldTransform.GetLocation()), Handle->KinActorData->getGlobalPose().q));
}
}
//Handle->KinActorData->setGlobalPose(PxTransform(U2PVector(WorldTransform.GetLocation()), Handle->KinActorData->getGlobalPose().q));
UPrimitiveComponent *root = Cast<UPrimitiveComponent>(GrippedActors[i].Actor->GetRootComponent());
if (root)
{
FBodyInstance * body = root->GetBodyInstance();
if (body)
{
body->SetBodyTransform(WorldTransform, ETeleportType::TeleportPhysics);
}
}
}
return true;
}
}
return false;
}
void FConstraintInstance::TermConstraint()
{
#if WITH_PHYSX
if (!ConstraintData)
{
return;
}
// use correct scene
if(PxScene* PScene = GetPhysXSceneFromIndex(SceneIndex))
{
ConstraintData->release();
}
ConstraintData = nullptr;
#endif
}
void UGripMotionControllerComponent::UpdatePhysicsHandleTransform(const FBPActorGripInformation &GrippedActor, const FTransform& NewTransform)
{
if (!GrippedActor.Actor && !GrippedActor.Component)
return;
FBPActorPhysicsHandleInformation * HandleInfo = GetPhysicsGrip(GrippedActor);
if (!HandleInfo || !HandleInfo->KinActorData)
return;
#if WITH_PHYSX
bool bChangedPosition = true;
bool bChangedRotation = true;
PxRigidDynamic* KinActor = HandleInfo->KinActorData;
PxScene* PScene = GetPhysXSceneFromIndex(HandleInfo->SceneIndex);
SCOPED_SCENE_WRITE_LOCK(PScene);
// Check if the new location is worthy of change
PxVec3 PNewLocation = U2PVector(NewTransform.GetTranslation());
PxVec3 PCurrentLocation = KinActor->getGlobalPose().p;
if ((PNewLocation - PCurrentLocation).magnitudeSquared() <= 0.01f*0.01f)
{
PNewLocation = PCurrentLocation;
bChangedPosition = false;
}
// Check if the new rotation is worthy of change
PxQuat PNewOrientation = U2PQuat(NewTransform.GetRotation());
PxQuat PCurrentOrientation = KinActor->getGlobalPose().q;
if ((FMath::Abs(PNewOrientation.dot(PCurrentOrientation)) > (1.f - SMALL_NUMBER)))
{
PNewOrientation = PCurrentOrientation;
bChangedRotation = false;
}
// Don't call moveKinematic if it hasn't changed - that will stop bodies from going to sleep.
if (bChangedPosition || bChangedRotation)
{
KinActor->setKinematicTarget(PxTransform(PNewLocation, PNewOrientation));
}
#endif // WITH_PHYSX
}
/** Finds the common scene and appropriate actors for the passed in body instances. Makes sure to do this without requiring a scene lock*/
PxScene* GetPScene_LockFree(const FBodyInstance* Body1, const FBodyInstance* Body2)
{
const int32 SceneIndex1 = Body1 ? Body1->GetSceneIndex() : -1;
const int32 SceneIndex2 = Body2 ? Body2->GetSceneIndex() : -1;
PxScene* PScene = nullptr;
//now we check if the two actors are valid
if(SceneIndex1 == -1 && SceneIndex2 == -1)
{
UE_LOG(LogPhysics, Log, TEXT("Attempting to create a joint between two null actors. No joint created."));
}
else if(SceneIndex1 >= 0 && SceneIndex2 >= 0 && SceneIndex1 != SceneIndex2)
{
UE_LOG(LogPhysics, Log, TEXT("Attempting to create a joint between two actors in different scenes. No joint created."));
}
else
{
PScene = GetPhysXSceneFromIndex(SceneIndex1 >= 0 ? SceneIndex1 : SceneIndex2);
}
return PScene;
}
void UGripMotionControllerComponent::PostTeleportMoveGrippedActors()
{
if (!GrippedActors.Num())
return;
FTransform WorldTransform;
FTransform InverseTransform = this->GetComponentTransform().Inverse();
for (int i = GrippedActors.Num() - 1; i >= 0; --i)
{
// GetRelativeTransformReverse had some serious f*****g floating point errors associated with it that was f*****g everything up
// Not sure whats wrong with the function but I might want to push a patch out eventually
WorldTransform = GrippedActors[i].RelativeTransform.GetRelativeTransform(InverseTransform);
if (GrippedActors[i].Actor)
{
// Need to use WITH teleport for this function so that the velocity isn't updated and without sweep so that they don't collide
GrippedActors[i].Actor->SetActorTransform(WorldTransform, false, NULL, ETeleportType::TeleportPhysics);
}
else if (GrippedActors[i].Component)
{
// Need to use WITH teleport for this function so that the velocity isn't updated and without sweep so that they don't collide
GrippedActors[i].Component->SetWorldTransform(WorldTransform, false, NULL, ETeleportType::TeleportPhysics);
}
FBPActorPhysicsHandleInformation * Handle = GetPhysicsGrip(GrippedActors[i]);
if (Handle && Handle->KinActorData)
{
{
PxScene* PScene = GetPhysXSceneFromIndex(Handle->SceneIndex);
if (PScene)
{
SCOPED_SCENE_WRITE_LOCK(PScene);
Handle->KinActorData->setKinematicTarget(PxTransform(U2PVector(WorldTransform.GetLocation()), Handle->KinActorData->getGlobalPose().q));
Handle->KinActorData->setGlobalPose(PxTransform(U2PVector(WorldTransform.GetLocation()), Handle->KinActorData->getGlobalPose().q));
}
}
//Handle->KinActorData->setGlobalPose(PxTransform(U2PVector(WorldTransform.GetLocation()), Handle->KinActorData->getGlobalPose().q));
if (GrippedActors[i].Actor)
{
UPrimitiveComponent *root = Cast<UPrimitiveComponent>(GrippedActors[i].Actor->GetRootComponent());
if (root)
{
FBodyInstance * body = root->GetBodyInstance();
if (body)
{
body->SetBodyTransform(WorldTransform, ETeleportType::TeleportPhysics);
}
}
}
else if (GrippedActors[i].Component)
{
FBodyInstance * body = GrippedActors[i].Component->GetBodyInstance();
if (body)
{
body->SetBodyTransform(WorldTransform, ETeleportType::TeleportPhysics);
}
}
}
/*else
{
if (bIsServer)
{
DestroyPhysicsHandle(GrippedActors[i]);
GrippedActors.RemoveAt(i); // If it got garbage collected then just remove the pointer, won't happen with new uproperty use, but keeping it here anyway
}
}*/
}
}
/** Utility for looking up the PxScene associated with this FPhysScene. */
PxScene* FPhysScene::GetPhysXScene(uint32 SceneType)
{
check(SceneType < NumPhysScenes);
return GetPhysXSceneFromIndex(PhysXSceneIndex[SceneType]);
}