static void MoveToTrack_Impl(TimelineClip clip, TrackAsset destinationTrack, Object asset, TrackAsset parentTrack)
{
TimelineUndo.PushUndo(asset, k_UndoSetParentTrackText);
if (parentTrack != null)
{
TimelineUndo.PushUndo(parentTrack, k_UndoSetParentTrackText);
}
TimelineUndo.PushUndo(destinationTrack, k_UndoSetParentTrackText);
clip.SetParentTrack_Internal(destinationTrack);
if (parentTrack == null)
{
TimelineCreateUtilities.SaveAssetIntoObject(asset, destinationTrack);
}
else if (parentTrack.timelineAsset != destinationTrack.timelineAsset)
{
TimelineCreateUtilities.RemoveAssetFromObject(asset, parentTrack);
TimelineCreateUtilities.SaveAssetIntoObject(asset, destinationTrack);
}
}