virtual void Tick( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime )
{
if (Sequencer.Pin()->IsShotFilteringOn())
{
TArray< TWeakObjectPtr<UMovieSceneSection> > FilterShots = Sequencer.Pin()->GetFilteringShotSections();
// if there are filtering shots, continuously update the cached filter zones
// we do this in tick, and cache it in order to make animation work properly
CachedFilteredRanges.Empty();
for (int32 i = 0; i < FilterShots.Num(); ++i)
{
UMovieSceneSection* Filter = FilterShots[i].Get();
CachedFilteredRanges.Add(Filter->GetRange());
}
}
}
TArray<UMovieSceneSection*> MovieSceneHelpers::GetTraversedSections( const TArray<UMovieSceneSection*>& Sections, float CurrentTime, float PreviousTime )
{
TArray<UMovieSceneSection*> TraversedSections;
bool bPlayingBackwards = CurrentTime - PreviousTime < 0.0f;
float MaxTime = bPlayingBackwards ? PreviousTime : CurrentTime;
float MinTime = bPlayingBackwards ? CurrentTime : PreviousTime;
TRange<float> SliderRange(MinTime, MaxTime);
for( int32 SectionIndex = 0; SectionIndex < Sections.Num(); ++SectionIndex )
{
UMovieSceneSection* Section = Sections[SectionIndex];
if( Section->GetStartTime() == CurrentTime || SliderRange.Overlaps( TRange<float>( Section->GetRange() ) ) )
{
TraversedSections.Add( Section );
}
}
return TraversedSections;
}