void FSlomoTrackEditor::HandleAddSlomoTrackMenuEntryExecute()
{
UMovieScene* MovieScene = GetFocusedMovieScene();
if (MovieScene == nullptr)
{
return;
}
UMovieSceneTrack* SlomoTrack = MovieScene->FindMasterTrack<UMovieSceneSlomoTrack>();
if (SlomoTrack != nullptr)
{
return;
}
const FScopedTransaction Transaction(NSLOCTEXT("Sequencer", "AddSlomoTrack_Transaction", "Add Play Rate Track"));
MovieScene->Modify();
SlomoTrack = FindOrCreateMasterTrack<UMovieSceneSlomoTrack>().Track;
ensure(SlomoTrack);
UMovieSceneSection* NewSection = SlomoTrack->CreateNewSection();
ensure(NewSection);
SlomoTrack->AddSection(*NewSection);
GetSequencer()->NotifyMovieSceneDataChanged();
}
UMovieSceneSection* UMovieSceneSection::SplitSection(float SplitTime)
{
if (!IsTimeWithinSection(SplitTime))
{
return nullptr;
}
SetFlags(RF_Transactional);
if (TryModify())
{
float SectionEndTime = GetEndTime();
// Trim off the right
SetEndTime(SplitTime);
// Create a new section
UMovieSceneTrack* Track = CastChecked<UMovieSceneTrack>(GetOuter());
Track->Modify();
UMovieSceneSection* NewSection = DuplicateObject<UMovieSceneSection>(this, Track);
check(NewSection);
NewSection->SetStartTime(SplitTime);
NewSection->SetEndTime(SectionEndTime);
Track->AddSection(*NewSection);
return NewSection;
}
return nullptr;
}