private List<string> GetValidIDs()
    {
        var animator = GetComponent<Animator>();

        var names = new List<string>();

#if UNITY_EDITOR

        var controller = (AnimatorController) animator.runtimeAnimatorController;

        if (controller == null)
        {
            return names;
        }

        foreach (var layer in controller.layers)
        {
            RecursiveFindAllStates(layer.stateMachine, names);
        }

#endif

        return names;
    }