SceneView Link lock

Editor/GameViewLink/LinkGameView.cs

 
         static bool m_Active = false;
 
+
+        public static SceneView LockedSceneView
+        {
+            get
+            {
+                return s_LockedSceneView;
+            }
+
+            set
+            {
+                s_LockedSceneView = value;
+            }
+        }
+
+        static SceneView s_LockedSceneView;
+
         [InitializeOnLoadMethod]
         static void Initialize()
         {
 
             if (Active)
             {
-                var sceneCamera = SceneView.lastActiveSceneView.camera;
+                var sv = s_LockedSceneView == null ? SceneView.lastActiveSceneView : s_LockedSceneView;
+                var sceneCamera = sv.camera;
                 var camera = s_GameObject.GetComponent<Camera>();
                 bool needRepaint = sceneCamera.transform.position != camera.transform.position
                     || sceneCamera.transform.rotation != camera.transform.rotation

Editor/SceneViewToolbar.cs

                             EditorApplication.isPlaying = false;
                     }
 
+                    bool isLocked = LinkGameView.LockedSceneView == sceneView;
+
+                    isLocked = GUILayout.Toggle(isLocked, "Lock LinkSceneView", EditorStyles.toolbarButton);
+
+                    if (GUI.changed)
+                    {
+                        if (isLocked)
+                            LinkGameView.LockedSceneView = sceneView;
+                        else
+                            LinkGameView.LockedSceneView = null;
+                    }
+
                     GUILayout.FlexibleSpace();
 
                     // Custom Code here