void UMovieSceneShotTrack::FixupSurroundingShots( UMovieSceneSection& Section, bool bDelete )
{
// Find the previous section and extend it to take the place of the section being deleted
int32 SectionIndex = INDEX_NONE;
if( SubMovieSceneSections.Find( &Section, SectionIndex ) )
{
int32 PrevSectionIndex = SectionIndex - 1;
if( SubMovieSceneSections.IsValidIndex( PrevSectionIndex ) )
{
// Extend the previous section
SubMovieSceneSections[PrevSectionIndex]->SetEndTime( bDelete ? Section.GetEndTime() : Section.GetStartTime() );
}
if( !bDelete )
{
int32 NextSectionIndex = SectionIndex + 1;
if(SubMovieSceneSections.IsValidIndex(NextSectionIndex))
{
// Shift the next shot's start time so that it starts when the new shot ends
SubMovieSceneSections[NextSectionIndex]->SetStartTime(Section.GetEndTime());
}
}
}
SortShots();
}
void UMovieSceneShotTrack::RemoveSection( UMovieSceneSection* Section )
{
FixupSurroundingShots( *Section, true );
Super::RemoveSection( Section );
SortShots();
// @todo Sequencer: The movie scene owned by the section is now abandoned. Should we offer to delete it?
}
void UMovieSceneShotTrack::AddNewShot(FGuid CameraHandle, UMovieScene& ShotMovieScene, const TRange<float>& TimeRange, const FText& ShotName, int32 ShotNumber )
{
Modify();
FName UniqueShotName = MakeUniqueObjectName( this, UMovieSceneShotSection::StaticClass(), *ShotName.ToString() );
UMovieSceneShotSection* NewSection = NewObject<UMovieSceneShotSection>( this, UniqueShotName, RF_Transactional );
NewSection->SetMovieScene( &ShotMovieScene );
NewSection->SetStartTime( TimeRange.GetLowerBoundValue() );
NewSection->SetEndTime( TimeRange.GetUpperBoundValue() );
NewSection->SetCameraGuid( CameraHandle );
NewSection->SetShotNameAndNumber( ShotName , ShotNumber );
SubMovieSceneSections.Add( NewSection );
// When a new shot is added, sort all shots to ensure they are in the correct order
SortShots();
}
void UMovieSceneShotTrack::AddNewShot(FGuid CameraHandle, UMovieSceneSequence& ShotMovieSceneSequence, float StartTime, const FText& ShotName, int32 ShotNumber )
{
Modify();
FName UniqueShotName = MakeUniqueObjectName( this, UMovieSceneShotSection::StaticClass(), *ShotName.ToString() );
UMovieSceneShotSection* NewSection = NewObject<UMovieSceneShotSection>( this, UniqueShotName, RF_Transactional );
NewSection->SetMovieSceneAnimation( &ShotMovieSceneSequence );
NewSection->SetStartTime( StartTime );
NewSection->SetEndTime( FindEndTimeForShot( StartTime ) );
NewSection->SetCameraGuid( CameraHandle );
NewSection->SetShotNameAndNumber( ShotName , ShotNumber );
SubMovieSceneSections.Add( NewSection );
// When a new shot is added, sort all shots to ensure they are in the correct order
SortShots();
// Once shots are sorted fixup the surrounding shots to fix any gaps
FixupSurroundingShots( *NewSection, false );
}
void UMovieSceneShotTrack::OnSectionMoved( UMovieSceneSection& Section )
{
// Sort all shots when one moves. They should be in order of start time
SortShots();
}
