void UActorRecording::StartRecordingNewComponents(ULevelSequence* CurrentSequence, float CurrentSequenceTime)
{
if (GetActorToRecord() != nullptr)
{
// find the new component(s)
TInlineComponentArray<USceneComponent*> NewComponents;
TArray<USceneComponent*> SceneComponents;
GetSceneComponents(SceneComponents);
for(USceneComponent* SceneComponent : SceneComponents)
{
if(ValidComponent(SceneComponent))
{
TWeakObjectPtr<USceneComponent> WeakSceneComponent(SceneComponent);
int32 FoundIndex = TrackedComponents.Find(WeakSceneComponent);
if(FoundIndex == INDEX_NONE)
{
// new component!
NewComponents.Add(SceneComponent);
}
}
}
ProcessNewComponentArray(NewComponents);
UMovieScene* MovieScene = CurrentSequence->GetMovieScene();
check(MovieScene);
FAnimationRecordingSettings ComponentAnimationSettings = AnimationSettings;
ComponentAnimationSettings.bRemoveRootAnimation = false;
ComponentAnimationSettings.bRecordInWorldSpace = false;
const USequenceRecorderSettings* Settings = GetDefault<USequenceRecorderSettings>();
if (!bRecordToPossessable)
{
FMovieSceneSpawnable* Spawnable = MovieScene->FindSpawnable(Guid);
check(Spawnable);
AActor* ObjectTemplate = CastChecked<AActor>(Spawnable->GetObjectTemplate());
for (USceneComponent* SceneComponent : NewComponents)
{
// new component, so we need to add this to our BP if it didn't come from SCS
FName NewName;
if (SceneComponent->CreationMethod != EComponentCreationMethod::SimpleConstructionScript)
{
// Give this component a unique name within its parent
NewName = *FString::Printf(TEXT("Dynamic%s"), *SceneComponent->GetFName().GetPlainNameString());
NewName.SetNumber(1);
while (FindObjectFast<UObject>(ObjectTemplate, NewName))
{
NewName.SetNumber(NewName.GetNumber() + 1);
}
USceneComponent* TemplateRoot = ObjectTemplate->GetRootComponent();
USceneComponent* AttachToComponent = nullptr;
// look for a similar attach parent in the current structure
USceneComponent* AttachParent = SceneComponent->GetAttachParent();
if(AttachParent != nullptr)
{
// First off, check if we're attached to a component that has already been duplicated into this object
// If so, the name lookup will fail, so we use a direct reference
if (TWeakObjectPtr<USceneComponent>* DuplicatedComponent = DuplicatedDynamicComponents.Find(AttachParent))
{
AttachToComponent = DuplicatedComponent->Get();
}
// If we don't have an attachment parent duplicated already, perform a name lookup
if (!AttachToComponent)
{
FName AttachName = SceneComponent->GetAttachParent()->GetFName();
TInlineComponentArray<USceneComponent*> AllChildren;
ObjectTemplate->GetComponents(AllChildren);
for (USceneComponent* Child : AllChildren)
{
CA_SUPPRESS(28182); // Dereferencing NULL pointer. 'Child' contains the same NULL value as 'AttachToComponent' did.
if (Child->GetFName() == AttachName)
{
AttachToComponent = Child;
break;
}
}
}
}
if (!AttachToComponent)
{
AttachToComponent = ObjectTemplate->GetRootComponent();
}
USceneComponent* NewTemplateComponent = Cast<USceneComponent>(StaticDuplicateObject(SceneComponent, ObjectTemplate, NewName, RF_AllFlags & ~RF_Transient));
NewTemplateComponent->AttachToComponent(AttachToComponent, FAttachmentTransformRules::KeepRelativeTransform, SceneComponent->GetAttachSocketName());
ObjectTemplate->AddInstanceComponent(NewTemplateComponent);
DuplicatedDynamicComponents.Add(SceneComponent, NewTemplateComponent);
}
else
{
NewName = SceneComponent->GetFName();
}
StartRecordingComponentProperties(NewName, SceneComponent, GetActorToRecord(), CurrentSequence, CurrentSequenceTime, ComponentAnimationSettings);
bNewComponentAddedWhileRecording = true;
}
SyncTrackedComponents();
}
else
{
for (USceneComponent* SceneComponent : NewComponents)
{
// new component, start recording
StartRecordingComponentProperties(SceneComponent->GetFName(), SceneComponent, GetActorToRecord(), CurrentSequence, CurrentSequenceTime, ComponentAnimationSettings);
}
SyncTrackedComponents();
}
}
}
PyObject *py_ue_add_instance_component(ue_PyUObject * self, PyObject * args)
{
ue_py_check(self);
PyObject *py_component;
if (!PyArg_ParseTuple(args, "O:add_instance_component", &py_component))
{
return nullptr;
}
AActor *actor = ue_py_check_type<AActor>(self);
if (!actor)
{
return PyErr_Format(PyExc_Exception, "uobject is not an AActor");
}
UActorComponent *component = ue_py_check_type<UActorComponent>(py_component);
if (!component)
{
return PyErr_Format(PyExc_Exception, "argument is not a UActorComponent");
}
actor->AddInstanceComponent(component);
Py_RETURN_NONE;
}
UActorComponent* FComponentEditorUtils::DuplicateComponent(UActorComponent* TemplateComponent)
{
check(TemplateComponent);
UActorComponent* NewCloneComponent = nullptr;
AActor* Actor = TemplateComponent->GetOwner();
if (!TemplateComponent->IsEditorOnly() && Actor)
{
Actor->Modify();
UClass* ComponentClass = TemplateComponent->GetClass();
FName NewComponentName = *FComponentEditorUtils::GenerateValidVariableName(ComponentClass, Actor);
bool bKeepWorldLocationOnAttach = false;
const bool bTemplateTransactional = TemplateComponent->HasAllFlags(RF_Transactional);
TemplateComponent->SetFlags(RF_Transactional);
NewCloneComponent = DuplicateObject<UActorComponent>(TemplateComponent, Actor, NewComponentName );
if (!bTemplateTransactional)
{
TemplateComponent->ClearFlags(RF_Transactional);
}
USceneComponent* NewSceneComponent = Cast<USceneComponent>(NewCloneComponent);
if (NewSceneComponent)
{
// Ensure the clone doesn't think it has children
NewSceneComponent->AttachChildren.Empty();
// If the clone is a scene component without an attach parent, attach it to the root (can happen when duplicating the root component)
if (!NewSceneComponent->GetAttachParent())
{
USceneComponent* RootComponent = Actor->GetRootComponent();
check(RootComponent);
// ComponentToWorld is not a UPROPERTY, so make sure the clone has calculated it properly before attachment
NewSceneComponent->UpdateComponentToWorld();
NewSceneComponent->AttachTo(RootComponent, NAME_None, EAttachLocation::KeepWorldPosition);
}
}
NewCloneComponent->OnComponentCreated();
// Add to SerializedComponents array so it gets saved
Actor->AddInstanceComponent(NewCloneComponent);
// Register the new component
NewCloneComponent->RegisterComponent();
// Rerun construction scripts
Actor->RerunConstructionScripts();
}
return NewCloneComponent;
}
