void FMovieSceneSequenceInstance::UpdateObjectBinding(const FGuid& ObjectId, IMovieScenePlayer& Player)
{
if(MovieSceneSequence.IsValid())
{
UMovieSceneSequence* Sequence = MovieSceneSequence.Get();
auto* BindingInstance = ObjectBindingInstances.Find(ObjectId);
if (!BindingInstance || !Sequence)
{
return;
}
// Update the runtime objects
BindingInstance->RuntimeObjects.Reset();
TWeakObjectPtr<UObject>* WeakSpawnedObject = SpawnedObjects.Find(ObjectId);
if (WeakSpawnedObject)
{
UObject* SpawnedObject = WeakSpawnedObject->Get();
if (SpawnedObject)
{
BindingInstance->RuntimeObjects.Add(SpawnedObject);
}
}
else
{
Player.GetRuntimeObjects(SharedThis(this), BindingInstance->ObjectGuid, BindingInstance->RuntimeObjects);
}
const FMovieSceneBinding* ObjectBinding = Sequence->GetMovieScene()->GetBindings().FindByPredicate([&](const FMovieSceneBinding& In){
return In.GetObjectGuid() == ObjectId;
});
// Refresh the instance map, if we found the binding itself
if (ObjectBinding)
{
RefreshInstanceMap(ObjectBinding->GetTracks(), BindingInstance->RuntimeObjects, BindingInstance->TrackInstances, Player);
}
}
}
void FMovieSceneShotTrackInstance::RefreshInstance( const TArray<UObject*>& RuntimeObjects, IMovieScenePlayer& Player )
{
const TArray<UMovieSceneSection*>& ShotSections = SubMovieSceneTrack->GetAllSections();
RuntimeCameraObjects.Empty( ShotSections.Num() );
for( UMovieSceneSection* Section : ShotSections )
{
// @todo Sequencer - Sub-moviescenes: Get the cameras from the root movie scene instance. We should support adding cameras for sub-moviescenes as shots
TArray<UObject*> CameraObjects;
Player.GetRuntimeObjects(Player.GetRootMovieSceneSequenceInstance(), CastChecked<UMovieSceneShotSection>( Section )->GetCameraGuid(), CameraObjects );
if( CameraObjects.Num() == 1 )
{
RuntimeCameraObjects.Add( CameraObjects[0] );
}
else
{
// No valid camera object was found, take up space. There should be one entry per section
RuntimeCameraObjects.Add( nullptr );
}
}
FSubMovieSceneTrackInstance::RefreshInstance( RuntimeObjects, Player );
}
void FMovieSceneSequenceInstance::RefreshInstance( IMovieScenePlayer& Player )
{
if(MovieSceneSequence.IsValid())
{
UMovieScene* MovieScene = MovieSceneSequence->GetMovieScene();
TimeRange = MovieScene->GetPlaybackRange();
UMovieSceneTrack* CameraCutTrack = MovieScene->GetCameraCutTrack();
if (CameraCutTrack != nullptr)
{
FMovieSceneInstanceMap CameraCutTrackInstanceMap;
if (CameraCutTrackInstance.IsValid())
{
CameraCutTrackInstanceMap.Add(CameraCutTrack, CameraCutTrackInstance);
}
TArray<TWeakObjectPtr<UObject>> Objects;
TArray<UMovieSceneTrack*> Tracks;
Tracks.Add(CameraCutTrack);
RefreshInstanceMap(Tracks, Objects, CameraCutTrackInstanceMap, Player);
CameraCutTrackInstance = CameraCutTrackInstanceMap.FindRef(CameraCutTrack);
}
else if(CameraCutTrackInstance.IsValid())
{
CameraCutTrackInstance->ClearInstance(Player, *this);
CameraCutTrackInstance.Reset();
}
// Get all the master tracks and create instances for them if needed
const TArray<UMovieSceneTrack*>& MasterTracks = MovieScene->GetMasterTracks();
TArray<TWeakObjectPtr<UObject>> Objects;
RefreshInstanceMap( MasterTracks, Objects, MasterTrackInstances, Player );
TSet< FGuid > FoundObjectBindings;
// Get all tracks for each object binding and create instances for them if needed
const TArray<FMovieSceneBinding>& ObjectBindings = MovieScene->GetBindings();
for( int32 BindingIndex = 0; BindingIndex < ObjectBindings.Num(); ++BindingIndex )
{
const FMovieSceneBinding& ObjectBinding = ObjectBindings[BindingIndex];
// Create an instance for this object binding
FMovieSceneObjectBindingInstance& BindingInstance = ObjectBindingInstances.FindOrAdd( ObjectBinding.GetObjectGuid() );
BindingInstance.ObjectGuid = ObjectBinding.GetObjectGuid();
FoundObjectBindings.Add( ObjectBinding.GetObjectGuid() );
// Populate the runtime objects for this instance of the binding.
// @todo sequencer: SubSequences: We need to know which actors were removed and which actors were added so we know which saved actor state to restore/create
BindingInstance.RuntimeObjects.Empty();
Player.GetRuntimeObjects( SharedThis( this ), BindingInstance.ObjectGuid, BindingInstance.RuntimeObjects );
// Refresh the instance's tracks
const TArray<UMovieSceneTrack*>& Tracks = ObjectBinding.GetTracks();
RefreshInstanceMap( Tracks, BindingInstance.RuntimeObjects, BindingInstance.TrackInstances, Player );
}
IMovieSceneSpawnRegister& SpawnRegister = Player.GetSpawnRegister();
// Remove object binding instances which are no longer bound
TMap<FGuid, FMovieSceneObjectBindingInstance>::TIterator It = ObjectBindingInstances.CreateIterator();
for( ; It; ++It )
{
if( !FoundObjectBindings.Contains( It.Key() ) )
{
SpawnRegister.DestroySpawnedObject(It.Key(), *this, Player);
// The instance no longer is bound to an existing guid
It.RemoveCurrent();
}
}
}
}