Animator组件关闭再打开后参数丢失问题

//Modify from: http://answers.unity3d.com/questions/919995/parameters-and-states-of-animator-reset-on-objects.html

using UnityEngine;
using System.Collections.Generic;

public class AnimParamRecover : MonoBehaviour
{
    class AnimCacheParam
    {
        public AnimatorControllerParameterType type;
        public string paramName;
        object mData;


        public AnimCacheParam(Animator anim, string paramName, AnimatorControllerParameterType type)
        {
            this.type = type;
            this.paramName = paramName;
            switch (type)
            {
                case AnimatorControllerParameterType.Int:
                    this.mData = (int)anim.GetInteger(paramName);
                    break;
                case AnimatorControllerParameterType.Float:
                    this.mData = (float)anim.GetFloat(paramName);
                    break;
                case AnimatorControllerParameterType.Bool:
                    this.mData = (bool)anim.GetBool(paramName);
                    break;
            }
        }

        public object getData()
        {
            return mData;
        }
    }

    Animator mAnimator;
    List<AnimCacheParam> mParamsCacheList;
    bool mIsDisable;


    void Awake()
    {
        Record();
    }

    /// <summary>
    /// Recovery.
    /// </summary>
    void OnEnable()
    {
        if (mIsDisable)
        {
            mIsDisable = false;
        }
        else
        {
            return;
        }

        Recovery();
        Destroy(this);
    }

    void OnDisable()
    {
        mIsDisable = true;
    }

    [ContextMenu("Manual Record")]
    public void Record()
    {
        mParamsCacheList = new List<AnimCacheParam>();
        mAnimator = GetComponent<Animator>();

        for (int i = 0; i < mAnimator.parameters.Length; i++)
        {
            var p = mAnimator.parameters[i];
            var animParam = new AnimCacheParam(mAnimator, p.name, p.type);
            mParamsCacheList.Add(animParam);
        }
    }

    [ContextMenu("Manual Recovery")]
    public void Recovery()
    {
        foreach (var param in mParamsCacheList)
        {
            switch (param.type)
            {
                case AnimatorControllerParameterType.Int:
                    mAnimator.SetInteger(param.paramName, (int)param.getData());
                    break;
                case AnimatorControllerParameterType.Float:
                    mAnimator.SetFloat(param.paramName, (float)param.getData());
                    break;
                case AnimatorControllerParameterType.Bool:
                    mAnimator.SetBool(param.paramName, (bool)param.getData());
                    break;
            }
        }

        mParamsCacheList.Clear();
    }
}