/// <summary>
/// Records any changes done on the Timeline Marker after being called.
/// </summary>
/// <param name="marker">The timeline clip being modified.</param>
/// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
public static void RegisterMarker(IMarker marker, string undoTitle)
{
using (var undo = new UndoScope(undoTitle))
{
if (marker is Object o)
{
undo.AddObject(o);
}
else if (marker != null)
{
undo.AddObject(marker.parent);
}
}
}
/// <summary>
/// Records any changes done on the timeline after being called, including any changes
/// to any clips, tracks and markers that occur on the timeline.
/// </summary>
/// <param name="asset">The timeline asset being modified.</param>
/// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
public static void RegisterCompleteTimeline(TimelineAsset asset, string undoTitle)
{
if (asset == null)
{
return;
}
using (var undo = new UndoScope(undoTitle))
{
undo.AddObject(asset);
undo.Add(asset.flattenedTracks);
foreach (var t in asset.flattenedTracks)
{
undo.Add(t.GetClips(), true);
undo.Add(t.GetMarkers());
}
}
}
/// <summary>
/// Records any changes done on the track after being called, including any changes
/// to clips on the track, but not on markers or PlayableAssets attached to the clips.
/// </summary>
/// <param name="asset">The timeline track being modified.</param>
/// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
public static void RegisterTrack(TrackAsset asset, string undoTitle)
{
using (var undo = new UndoScope(undoTitle))
undo.AddObject(asset);
}
/// <summary>
/// Records any changes done on the PlayableAsset after being called.
/// </summary>
/// <param name="asset">The timeline track being modified.</param>
/// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
public static void RegisterPlayableAsset(PlayableAsset asset, string undoTitle)
{
using (var undo = new UndoScope(undoTitle))
undo.AddObject(asset);
}
