void UActorComponent::DestroyComponent()
{
// First, unregister if registered
if(IsRegistered())
{
UnregisterComponent();
}
// Then remove from Components array, if we have an Actor
AActor* Owner = GetOwner();
if(Owner != NULL)
{
Owner->SerializedComponents.Remove(this);
if (Owner->GetRootComponent() == this)
{
Owner->SetRootComponent(NULL);
}
}
// Tell the component it is being destroyed
OnComponentDestroyed();
// Finally mark pending kill, to NULL out any other refs
MarkPendingKill();
}
void ANavigationData::CleanUpAndMarkPendingKill()
{
CleanUp();
SetActorHiddenInGame(true);
// do NOT destroy here! it can be called from PostLoad and will crash in DestroyActor()
MarkPendingKill();
MarkComponentsAsPendingKill();
}
void UUserWidget::OnLevelRemovedFromWorld(ULevel* InLevel, UWorld* InWorld)
{
// If the InLevel is null, it's a signal that the entire world is about to disappear, so
// go ahead and remove this widget from the viewport, it could be holding onto too many
// dangerous actor references that won't carry over into the next world.
if ( InLevel == nullptr && InWorld == GetWorld() )
{
RemoveFromParent();
MarkPendingKill();
}
}
void UUnitTest::CleanupUnitTest()
{
if (GUnitTestManager != NULL)
{
GUnitTestManager->NotifyUnitTestCleanup(this);
}
else
{
// Mark for garbage collection
MarkPendingKill();
}
}
void UGameplayTask::OnDestroy(bool bInOwnerFinished)
{
ensure(TaskState != EGameplayTaskState::Finished && !IsPendingKill());
TaskState = EGameplayTaskState::Finished;
if (TasksComponent.IsValid())
{
TasksComponent->OnGameplayTaskDeactivated(*this);
}
MarkPendingKill();
}
void UGame::Shutdown()
{
if ( IsPendingKill() )
{
return;
}
OnShutdown();
ObjectTree->Dispose();
MarkPendingKill();
}
void UActorComponent::DestroyComponent(bool bPromoteChildren/*= false*/)
{
// Avoid re-entrancy
if (bIsBeingDestroyed)
{
return;
}
bIsBeingDestroyed = true;
if (bHasBegunPlay)
{
EndPlay(EEndPlayReason::Destroyed);
}
// Ensure that we call UninitializeComponent before we destroy this component
if (bHasBeenInitialized)
{
UninitializeComponent();
}
// Unregister if registered
if(IsRegistered())
{
UnregisterComponent();
}
// Then remove from Components array, if we have an Actor
if(AActor* MyOwner = GetOwner())
{
if (IsCreatedByConstructionScript())
{
MyOwner->BlueprintCreatedComponents.Remove(this);
}
else
{
MyOwner->RemoveInstanceComponent(this);
}
MyOwner->RemoveOwnedComponent(this);
if (MyOwner->GetRootComponent() == this)
{
MyOwner->SetRootComponent(NULL);
}
}
// Tell the component it is being destroyed
OnComponentDestroyed();
// Finally mark pending kill, to NULL out any other refs
MarkPendingKill();
}
void UAbilityTask::OnDestroy(bool AbilityIsEnding)
{
ensure(!IsPendingKill());
// If this task required ticking, unregister it with AbilitySystemComponent
if (AbilitySystemComponent.IsValid())
{
AbilitySystemComponent->TaskEnded(this);
}
// Remove ourselves from the owning Ability's task list, if the ability isn't ending
if (!AbilityIsEnding && Ability.IsValid())
{
Ability->TaskEnded(this);
}
MarkPendingKill();
}
void UGameplayTask::OnDestroy(bool bOwnerFinished)
{
ensure(TaskState != EGameplayTaskState::Finished && !IsPendingKill());
TaskState = EGameplayTaskState::Finished;
// First of all notify the TaskComponent
if (TasksComponent.IsValid())
{
TasksComponent->OnTaskDeactivated(*this);
}
// Remove ourselves from the owner's task list, if the owner isn't ending
if (bOwnedByTasksComponent == false && bOwnerFinished == false && TaskOwner.IsValid() == true)
{
TaskOwner->OnTaskDeactivated(*this);
}
MarkPendingKill();
}
