bool F3DAttachTrackEditor::AddKeyInternal( float KeyTime, const TArray<TWeakObjectPtr<UObject>> Objects, const FName SocketName, const FName ComponentName, AActor* ParentActor)
{
bool bHandleCreated = false;
bool bTrackCreated = false;
bool bTrackModified = false;
FGuid ParentActorId;
if (ParentActor != nullptr)
{
FFindOrCreateHandleResult HandleResult = FindOrCreateHandleToObject(ParentActor);
ParentActorId = HandleResult.Handle;
bHandleCreated |= HandleResult.bWasCreated;
}
if (!ParentActorId.IsValid())
{
return false;
}
for( int32 ObjectIndex = 0; ObjectIndex < Objects.Num(); ++ObjectIndex )
{
UObject* Object = Objects[ObjectIndex].Get();
FFindOrCreateHandleResult HandleResult = FindOrCreateHandleToObject( Object );
FGuid ObjectHandle = HandleResult.Handle;
bHandleCreated |= HandleResult.bWasCreated;
if (ObjectHandle.IsValid())
{
FFindOrCreateTrackResult TrackResult = FindOrCreateTrackForObject( ObjectHandle, UMovieScene3DAttachTrack::StaticClass());
UMovieSceneTrack* Track = TrackResult.Track;
bTrackCreated |= TrackResult.bWasCreated;
if (ensure(Track))
{
// Clamp to next attach section's start time or the end of the current sequencer view range
float AttachEndTime = GetSequencer()->GetViewRange().GetUpperBoundValue();
for (int32 AttachSectionIndex = 0; AttachSectionIndex < Track->GetAllSections().Num(); ++AttachSectionIndex)
{
float StartTime = Track->GetAllSections()[AttachSectionIndex]->GetStartTime();
float EndTime = Track->GetAllSections()[AttachSectionIndex]->GetEndTime();
if (KeyTime < StartTime)
{
if (AttachEndTime > StartTime)
{
AttachEndTime = StartTime;
}
}
}
Cast<UMovieScene3DAttachTrack>(Track)->AddConstraint( KeyTime, AttachEndTime, SocketName, ComponentName, ParentActorId );
bTrackModified = true;
}
}
}
return bHandleCreated || bTrackCreated || bTrackModified;
}
void FSequencerDragOperation::GetSectionSnapTimes(TArray<float>& OutSnapTimes, UMovieSceneSection* Section, TSharedPtr<FTrackNode> SequencerNode, bool bIgnoreOurSectionCustomSnaps)
{
// @todo Sequencer handle dilation snapping better
// Collect all the potential snap times from other section borders
const TArray< TSharedRef<ISequencerSection> >& Sections = SequencerNode->GetSections();
for (int32 SectionIndex = 0; SectionIndex < Sections.Num(); ++SectionIndex)
{
const UMovieSceneSection* InSection = Sections[SectionIndex]->GetSectionObject();
bool bIsThisSection = Section == InSection;
if (!bIgnoreOurSectionCustomSnaps || !bIsThisSection)
{
InSection->GetSnapTimes(OutSnapTimes, Section != InSection);
}
}
// snap to director track if it exists, and we are not the director track
UMovieSceneTrack* OuterTrack = Cast<UMovieSceneTrack>(Section->GetOuter());
UMovieScene* MovieScene = Cast<UMovieScene>(OuterTrack->GetOuter());
UMovieSceneTrack* ShotTrack = MovieScene->FindMasterTrack(UMovieSceneShotTrack::StaticClass());
if (ShotTrack && OuterTrack != ShotTrack)
{
const TArray<UMovieSceneSection*>& ShotSections = ShotTrack->GetAllSections();
for (int32 SectionIndex = 0; SectionIndex < ShotSections.Num(); ++SectionIndex)
{
auto Shot = ShotSections[SectionIndex];
Shot->GetSnapTimes(OutSnapTimes, true);
}
}
}
void FSequencerNodeTree::MakeSectionInterfaces( UMovieSceneTrack& Track, TSharedRef<FTrackNode>& SectionAreaNode )
{
const TArray<UMovieSceneSection*>& MovieSceneSections = Track.GetAllSections();
TSharedRef<FMovieSceneTrackEditor> Editor = FindOrAddTypeEditor( Track );
for (int32 SectionIndex = 0; SectionIndex < MovieSceneSections.Num(); ++SectionIndex )
{
UMovieSceneSection* SectionObject = MovieSceneSections[SectionIndex];
TSharedRef<ISequencerSection> Section = Editor->MakeSectionInterface( *SectionObject, &Track );
// Ask the section to generate it's inner layout
FSectionLayoutBuilder Builder( SectionAreaNode );
Section->GenerateSectionLayout( Builder );
SectionAreaNode->AddSection( Section );
}
SectionAreaNode->FixRowIndices();
}