private void Start()
        {
            currentView = viewRef1;

            MissionHandlerManager.Instance.OnMissionAssignEvent.AddListener((handler) => MissionAssign(handler));
            MissionHandlerManager.Instance.OnMissionUpdateEvent.AddListener((handler) => MissionUpdate(handler));
            MissionHandlerManager.Instance.OnMissionCompleteEvent.AddListener((handler) => MissionComplete(handler));

            //    MissionHandlerManager.Instance.OnMissionAssignEvent.AddListener((handler) => _panelRef.Assign(GetMissionDescriptionString(handler.type), GetMissionProgressString(handler.type), handler.enemiesKilled, handler.enemiesToKill));
            //    MissionHandlerManager.Instance.OnMissionUpdateEvent.AddListener((handler) => _panelRef.UpdateMessage(handler.enemiesKilled, handler.enemiesToKill));
            //    MissionHandlerManager.Instance.OnMissionCompleteEvent.AddListener((handler) => _panelRef.Complete(handler.enemiesKilled, handler.enemiesToKill));
        }
 private void ChangePanel()
 {
     currentView = currentView == viewRef1 ? viewRef2 : viewRef1;
 }