void FFloatPropertySection::GenerateSectionLayout(class ISectionLayoutBuilder& LayoutBuilder) const
{
UMovieSceneFloatSection* FloatSection = Cast<UMovieSceneFloatSection>(&SectionObject);
TAttribute<TOptional<float>> ExternalValue;
if (CanGetPropertyValue())
{
ExternalValue.Bind(TAttribute<TOptional<float>>::FGetter::CreateLambda([&]
{
return GetPropertyValue<float>();
}));
}
TSharedRef<FFloatCurveKeyArea> KeyArea = MakeShareable(
new FFloatCurveKeyArea(&FloatSection->GetFloatCurve(), ExternalValue, FloatSection));
LayoutBuilder.SetSectionAsKeyArea(KeyArea);
}
bool UMovieSceneFloatTrack::AddKeyToSection( float Time, float Value )
{
const UMovieSceneSection* NearestSection = MovieSceneHelpers::FindNearestSectionAtTime( Sections, Time );
if (!NearestSection || CastChecked<UMovieSceneFloatSection>(NearestSection)->NewKeyIsNewData(Time, Value))
{
Modify();
UMovieSceneFloatSection* NewSection = Cast<UMovieSceneFloatSection>( FindOrAddSection( Time ) );
NewSection->AddKey( Time, Value );
return true;
}
return false;
}
void FMatineeImportTools::CopyInterpFloatTrack( TSharedRef<ISequencer> Sequencer, UInterpTrackFloatBase* MatineeFloatTrack, UMovieSceneFloatTrack* FloatTrack )
{
const FScopedTransaction Transaction( NSLOCTEXT( "Sequencer", "PasteMatineeFloatTrack", "Paste Matinee float track" ) );
bool bSectionCreated = false;
FloatTrack->Modify();
float KeyTime = MatineeFloatTrack->GetKeyframeTime( 0 );
UMovieSceneFloatSection* Section = Cast<UMovieSceneFloatSection>( MovieSceneHelpers::FindSectionAtTime( FloatTrack->GetAllSections(), KeyTime ) );
if ( Section == nullptr )
{
Section = Cast<UMovieSceneFloatSection>( FloatTrack->CreateNewSection() );
FloatTrack->AddSection( *Section );
bSectionCreated = true;
}
if (Section->TryModify())
{
float SectionMin = Section->GetStartTime();
float SectionMax = Section->GetEndTime();
FRichCurve& FloatCurve = Section->GetFloatCurve();
for ( const auto& Point : MatineeFloatTrack->FloatTrack.Points )
{
FMatineeImportTools::SetOrAddKey( FloatCurve, Point.InVal, Point.OutVal, Point.ArriveTangent, Point.LeaveTangent, Point.InterpMode );
SectionMin = FMath::Min( SectionMin, Point.InVal );
SectionMax = FMath::Max( SectionMax, Point.InVal );
}
Section->SetStartTime( SectionMin );
Section->SetEndTime( SectionMax );
if ( bSectionCreated )
{
Sequencer->NotifyMovieSceneDataChanged();
}
}
}
void FFloatPropertySection::GenerateSectionLayout( class ISectionLayoutBuilder& LayoutBuilder ) const
{
UMovieSceneFloatSection* FloatSection = Cast<UMovieSceneFloatSection>( &SectionObject );
KeyArea = MakeShareable( new FFloatCurveKeyArea( &FloatSection->GetFloatCurve(), FloatSection ) );
LayoutBuilder.SetSectionAsKeyArea( KeyArea.ToSharedRef() );
}
