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[UE-18384] Fix for actors in hidden levels losing their transform data and becoming visible

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[CL 2631365 by Dan Oconnor in Main branch]
This commit is contained in:
Dan Oconnor
2015-07-23 17:05:17 -04:00
committed by Dan.OConnor@epicgames.com
parent ec07d2c153
commit 74b4fd457f
1 changed files with 23 additions and 0 deletions
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23
Engine/Source/Editor/UnrealEd/Private/Kismet2/KismetReinstanceUtilities.cpp
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@@ -761,6 +761,19 @@ void FActorReplacementHelper::Finalize(const TMap<UObject*, UObject*>& OldToNewI
NewActor->ExecuteConstruction(TargetWorldTransform, &DummyComponentData);
}
// make sure that the actor is properly hidden if it's in a hidden sublevel:
bool bIsInHiddenLevel = false;
if (ULevel* Level = NewActor->GetLevel())
{
bIsInHiddenLevel = !Level->bIsVisible;
}
if (bIsInHiddenLevel)
{
NewActor->bHiddenEdLevel = true;
NewActor->MarkComponentsRenderStateDirty();
}
if (TargetAttachParent)
{
UObject* const* NewTargetAttachParent = OldToNewInstanceMap.Find(TargetAttachParent);
@@ -981,6 +994,16 @@ void FBlueprintCompileReinstancer::ReplaceInstancesOfClass(UClass* OldClass, UCl
FRotator Rotation = FRotator::ZeroRotator;
if (USceneComponent* OldRootComponent = OldActor->GetRootComponent())
{
// We need to make sure that the ComponentToWorld transform is up to date, but we don't want to run any initialization logic
// so we silence the update, cache it off, revert the change (so no events are raised), and then directly update the transform
// with the value calculated in ConditionalUpdateComponentToWorld:
FScopedMovementUpdate SilenceMovement(OldRootComponent);
OldRootComponent->ConditionalUpdateComponentToWorld();
FTransform OldComponentToWorld = OldRootComponent->ComponentToWorld;
SilenceMovement.RevertMove();
OldRootComponent->ComponentToWorld = OldComponentToWorld;
Location = OldActor->GetActorLocation();
Rotation = OldActor->GetActorRotation();
}