1 files changed, 80 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/TimelineWindow_Selection.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/TimelineWindow_Selection.cs
new file mode 100644
index 0000000..c736e2e
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/TimelineWindow_Selection.cs
@@ -0,0 +1,80 @@
+using UnityEngine;
+using UnityEngine.Playables;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    partial class TimelineWindow
+    {
+        [SerializeField]
+        SequencePath m_SequencePath;
+        private Object lastSelectedGO { get; set; }
+
+        void OnSelectionChange()
+        {
+            RefreshSelection(false);
+        }
+
+        void RefreshSelection(bool forceRebuild)
+        {
+            // if we're in Locked mode, keep current selection - don't use locked property because the
+            // sequence hierarchy may need to be rebuilt and it assumes no asset == unlocked
+            if (m_LockTracker.isLocked || (state != null && state.recording))
+            {
+                RestoreLastSelection(forceRebuild);
+                return;
+            }
+
+            // selection is a TimelineAsset
+            Object selectedObject = Selection.activeObject as TimelineAsset;
+            if (selectedObject != null)
+            {
+                SetCurrentSelection(Selection.activeObject);
+                return;
+            }
+
+            // selection is a GameObject, or a prefab with a director
+            var selectedGO = Selection.activeGameObject;
+            if (selectedGO != null)
+            {
+                bool isSceneObject = !PrefabUtility.IsPartOfPrefabAsset(selectedGO);
+                bool hasDirector = selectedGO.GetComponent<PlayableDirector>() != null;
+                if (isSceneObject || hasDirector)
+                {
+                    SetCurrentSelection(selectedGO);
+                    return;
+                }
+            }
+
+            // otherwise, keep the same selection.
+            RestoreLastSelection(forceRebuild);
+        }
+
+        void RestoreLastSelection(bool forceRebuild)
+        {
+            state.SetCurrentSequencePath(m_SequencePath, forceRebuild);
+        }
+
+        void SetCurrentSelection(Object obj)
+        {
+            var selectedGameObject = obj as GameObject;
+            if (selectedGameObject != null)
+            {
+                PlayableDirector director = TimelineUtility.GetDirectorComponentForGameObject(selectedGameObject);
+                SetCurrentTimeline(director);
+                lastSelectedGO = selectedGameObject;
+            }
+            else
+            {
+                var selectedSequenceAsset = obj as TimelineAsset;
+                if (selectedSequenceAsset != null)
+                {
+                    SetCurrentTimeline(selectedSequenceAsset);
+                    lastSelectedGO = selectedGameObject;
+                }
+            }
+
+            Repaint();
+        }
+    }
+}