FGuid FSequencer::GetHandleToObject( UObject* Object )
{
TSharedRef<FMovieSceneInstance> FocusedMovieSceneInstance = GetFocusedMovieSceneInstance();
UMovieScene* FocusedMovieScene = FocusedMovieSceneInstance->GetMovieScene();
FGuid ObjectGuid = ObjectBindingManager->FindGuidForObject( *FocusedMovieScene, *Object );
if (ObjectGuid.IsValid())
{
// Make sure that the possessable is still valid, if it's not remove the binding so new one
// can be created. This can happen due to undo.
FMovieScenePossessable* Possessable = FocusedMovieScene->FindPossessable(ObjectGuid);
if (Possessable == nullptr )
{
ObjectBindingManager->UnbindPossessableObjects(ObjectGuid);
ObjectGuid.Invalidate();
}
}
bool bPossessableAdded = false;
// If the object guid was not found attempt to add it
// Note: Only possessed actors can be added like this
if( !ObjectGuid.IsValid() && ObjectBindingManager->CanPossessObject( *Object ) )
{
// @todo sequencer: Undo doesn't seem to be working at all
const FScopedTransaction Transaction( LOCTEXT("UndoPossessingObject", "Possess Object with MovieScene") );
// Possess the object!
{
// Create a new possessable
FocusedMovieScene->Modify();
ObjectGuid = FocusedMovieScene->AddPossessable( Object->GetName(), Object->GetClass() );
if ( IsShotFilteringOn() )
{
AddUnfilterableObject(ObjectGuid);
}
ObjectBindingManager->BindPossessableObject( ObjectGuid, *Object );
bPossessableAdded = true;
}
}
if( bPossessableAdded )
{
SpawnOrDestroyPuppetObjects( GetFocusedMovieSceneInstance() );
NotifyMovieSceneDataChanged();
}
return ObjectGuid;
}
void FSequencer::FocusSubMovieScene( TSharedRef<FMovieSceneInstance> SubMovieSceneInstance )
{
// Check for infinite recursion
check( SubMovieSceneInstance != MovieSceneStack.Top() );
// Focus the movie scene
MovieSceneStack.Push( SubMovieSceneInstance );
// Reset data that is only used for the previous movie scene
ResetPerMovieSceneData();
// Update internal data for the new movie scene
NotifyMovieSceneDataChanged();
}
void FSequencer::PopToMovieScene( TSharedRef<FMovieSceneInstance> SubMovieSceneInstance )
{
if( MovieSceneStack.Num() > 1 )
{
// Pop until we find the movie scene to focus
while( SubMovieSceneInstance != MovieSceneStack.Last() )
{
MovieSceneStack.Pop();
}
check( MovieSceneStack.Num() > 0 );
ResetPerMovieSceneData();
NotifyMovieSceneDataChanged();
}
}
void FMaterialTrackEditor::AddVectorParameter( FGuid ObjectBinding, UMovieSceneMaterialTrack* MaterialTrack, FName ParameterName )
{
UMovieSceneSequence* MovieSceneSequence = GetMovieSceneSequence();
float KeyTime = GetTimeForKey( MovieSceneSequence );
UMaterial* Material = GetMaterialForTrack( ObjectBinding, MaterialTrack );
if ( Material != nullptr )
{
const FScopedTransaction Transaction( LOCTEXT( "AddVectorParameter", "Add vector parameter" ) );
FLinearColor ParameterValue;
Material->GetVectorParameterValue( ParameterName, ParameterValue );
MaterialTrack->Modify();
for ( UMovieSceneSection* Section : MaterialTrack->GetAllSections() )
{
Section->Modify();
}
MaterialTrack->AddVectorParameterKey( ParameterName, KeyTime, ParameterValue );
}
NotifyMovieSceneDataChanged();
}
void FSequencer::OnActorsDropped( const TArray<TWeakObjectPtr<AActor> >& Actors )
{
bool bPossessableAdded = false;
for( TWeakObjectPtr<AActor> WeakActor : Actors )
{
AActor* Actor = WeakActor.Get();
if( Actor != NULL )
{
// Grab the MovieScene that is currently focused. We'll add our Blueprint as an inner of the
// MovieScene asset.
UMovieScene* OwnerMovieScene = GetFocusedMovieScene();
// @todo sequencer: Undo doesn't seem to be working at all
const FScopedTransaction Transaction( LOCTEXT("UndoPossessingObject", "Possess Object with MovieScene") );
// Possess the object!
{
// Create a new possessable
OwnerMovieScene->Modify();
const FGuid PossessableGuid = OwnerMovieScene->AddPossessable( Actor->GetActorLabel(), Actor->GetClass() );
if ( IsShotFilteringOn() )
{
AddUnfilterableObject(PossessableGuid);
}
ObjectBindingManager->BindPossessableObject( PossessableGuid, *Actor );
bPossessableAdded = true;
}
}
}
if( bPossessableAdded )
{
SpawnOrDestroyPuppetObjects( GetFocusedMovieSceneInstance() );
NotifyMovieSceneDataChanged();
}
}
void FSequencer::ResetToNewRootMovieScene( UMovieScene& NewRoot, TSharedRef<ISequencerObjectBindingManager> NewObjectBindingManager )
{
DestroySpawnablesForAllMovieScenes();
//@todo Sequencer - Encapsulate this better
MovieSceneStack.Empty();
Selection.Empty();
FilteringShots.Empty();
UnfilterableSections.Empty();
UnfilterableObjects.Empty();
MovieSceneSectionToInstanceMap.Empty();
NewRoot.SetFlags(RF_Transactional);
ObjectBindingManager = NewObjectBindingManager;
// Focusing the initial movie scene needs to be done before the first time GetFocusedMovieSceneInstane or GetRootMovieSceneInstance is used
RootMovieSceneInstance = MakeShareable(new FMovieSceneInstance(NewRoot));
MovieSceneStack.Add(RootMovieSceneInstance.ToSharedRef());
SequencerWidget->ResetBreadcrumbs();
NotifyMovieSceneDataChanged();
}
void FSpawnTrackEditor::HandleAddSpawnTrackMenuEntryExecute(FGuid ObjectBinding)
{
FScopedTransaction AddSpawnTrackTransaction(LOCTEXT("AddSpawnTrack_Transaction", "Add Spawn Track"));
AddTrack(GetSequencer()->GetFocusedMovieSceneSequence()->GetMovieScene(), ObjectBinding, UMovieSceneSpawnTrack::StaticClass(), NAME_None);
NotifyMovieSceneDataChanged();
}
void FSequencer::InitSequencer( const FSequencerInitParams& InitParams, const TArray<FOnCreateTrackEditor>& TrackEditorDelegates )
{
if( IsSequencerEnabled() )
{
bIsEditingWithinLevelEditor = InitParams.bEditWithinLevelEditor;
ToolkitHost = InitParams.ToolkitHost;
LastViewRange = InitParams.ViewParams.InitalViewRange;
ScrubPosition = InitParams.ViewParams.InitialScrubPosition;
ObjectChangeListener = InitParams.ObjectChangeListener;
ObjectBindingManager = InitParams.ObjectBindingManager;
check( ObjectChangeListener.IsValid() );
check( ObjectBindingManager.IsValid() );
UMovieScene& RootMovieScene = *InitParams.RootMovieScene;
RootMovieScene.SetFlags( RF_Transactional );
// Focusing the initial movie scene needs to be done before the first time GetFocusedMovieSceneInstane or GetRootMovieSceneInstance is used
RootMovieSceneInstance = MakeShareable( new FMovieSceneInstance( RootMovieScene ) );
MovieSceneStack.Add( RootMovieSceneInstance.ToSharedRef() );
// Make internal widgets
SequencerWidget = SNew( SSequencer, SharedThis( this ) )
.ViewRange( this, &FSequencer::OnGetViewRange )
.ScrubPosition( this, &FSequencer::OnGetScrubPosition )
.OnScrubPositionChanged( this, &FSequencer::OnScrubPositionChanged )
.OnViewRangeChanged( this, &FSequencer::OnViewRangeChanged, false );
// When undo occurs, get a notification so we can make sure our view is up to date
GEditor->RegisterForUndo(this);
if( bIsEditingWithinLevelEditor )
{
// @todo remove when world-centric mode is added
// Hook into the editor's mechanism for checking whether we need live capture of PIE/SIE actor state
GEditor->GetActorRecordingState().AddSP(this, &FSequencer::GetActorRecordingState);
}
// Create tools and bind them to this sequencer
for( int32 DelegateIndex = 0; DelegateIndex < TrackEditorDelegates.Num(); ++DelegateIndex )
{
check( TrackEditorDelegates[DelegateIndex].IsBound() );
// Tools may exist in other modules, call a delegate that will create one for us
TSharedRef<FMovieSceneTrackEditor> TrackEditor = TrackEditorDelegates[DelegateIndex].Execute( SharedThis( this ) );
// Keep track of certain editors
if ( TrackEditor->SupportsType( UMovieSceneDirectorTrack::StaticClass() ) )
{
DirectorTrackEditor = TrackEditor;
}
else if ( TrackEditor->SupportsType( UMovieSceneAnimationTrack::StaticClass() ) )
{
AnimationTrackEditor = TrackEditor;
}
TrackEditors.Add( TrackEditor );
}
ZoomAnimation = FCurveSequence();
ZoomCurve = ZoomAnimation.AddCurve(0.f, 0.35f, ECurveEaseFunction::QuadIn);
OverlayAnimation = FCurveSequence();
OverlayCurve = OverlayAnimation.AddCurve(0.f, 0.35f, ECurveEaseFunction::QuadIn);
// Update initial movie scene data
NotifyMovieSceneDataChanged();
// NOTE: Could fill in asset editor commands here!
BindSequencerCommands();
}
}
void FSequencer::PostUndo(bool bSuccess)
{
NotifyMovieSceneDataChanged();
}
void FSequencer::OnRequestNodeDeleted( TSharedRef<const FSequencerDisplayNode>& NodeToBeDeleted )
{
bool bAnySpawnablesRemoved = false;
bool bAnythingRemoved = false;
TSharedRef<FMovieSceneInstance> MovieSceneInstance = GetFocusedMovieSceneInstance();
UMovieScene* OwnerMovieScene = MovieSceneInstance->GetMovieScene();
// Only object nodes or section areas can be deleted
if( NodeToBeDeleted->GetType() == ESequencerNode::Object )
{
OwnerMovieScene->SetFlags( RF_Transactional );
const FGuid& BindingToRemove = StaticCastSharedRef<const FObjectBindingNode>( NodeToBeDeleted )->GetObjectBinding();
//@todo Sequencer - add transaction
// Try to remove as a spawnable first
bool bRemoved = OwnerMovieScene->RemoveSpawnable( BindingToRemove );
if( bRemoved )
{
bAnySpawnablesRemoved = true;
}
if( !bRemoved )
{
// The guid should be associated with a possessable if it wasnt a spawnable
bRemoved = OwnerMovieScene->RemovePossessable( BindingToRemove );
// @todo Sequencer - undo needs to work here
ObjectBindingManager->UnbindPossessableObjects( BindingToRemove );
// If this check fails the guid was not associated with a spawnable or possessable so there was an invalid guid being stored on a node
check( bRemoved );
}
bAnythingRemoved = true;
}
else if( NodeToBeDeleted->GetType() == ESequencerNode::Track )
{
TSharedRef<const FTrackNode> SectionAreaNode = StaticCastSharedRef<const FTrackNode>( NodeToBeDeleted );
UMovieSceneTrack* Track = SectionAreaNode->GetTrack();
UMovieScene* FocusedMovieScene = GetFocusedMovieScene();
FocusedMovieScene->SetFlags( RF_Transactional );
if( FocusedMovieScene->IsAMasterTrack( Track ) )
{
FocusedMovieScene->RemoveMasterTrack( Track );
}
else
{
FocusedMovieScene->RemoveTrack( Track );
}
bAnythingRemoved = true;
}
if( bAnythingRemoved )
{
if( bAnySpawnablesRemoved )
{
// @todo Sequencer Sub-MovieScenes needs to destroy objects for all movie scenes that had this node
SpawnOrDestroyPuppetObjects( MovieSceneInstance );
}
NotifyMovieSceneDataChanged();
}
}