Add **Nested Animations** for compositing animation clips

2022-07-31 15:53:09 +02:00
parent 3a39dad30f
commit 3b52914416
15 changed files with 583 additions and 186 deletions
--- a/Source/Editor/GUI/Timeline/Undo/EditTrackAction.cs
+++ b/Source/Editor/GUI/Timeline/Undo/EditTrackAction.cs
@@ -42,8 +42,11 @@ namespace FlaxEditor.GUI.Timeline.Undo
                track.Flags = (TrackFlags)stream.ReadByte();
                track.Archetype.Load(Timeline.FormatVersion, track, stream);
            }
-            _timeline.ArrangeTracks();
-            _timeline.MarkAsEdited();
+            if (_timeline != null)
+            {
+                _timeline.ArrangeTracks();
+                _timeline.MarkAsEdited();
+            }
            track.OnUndo();
        }