Unity资源管理封装【同步加载、异步加载】

Unity资源管理封装【同步加载、异步加载】

1、使用场景：

对特定资源加载选择同步或是异步加载方式

2、实现思路：

对GameObject类型的资源 在加载的时候进行实例化，直接返回

3、具体实现：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

/// <summary>
/// 资源加载 单例
/// </summary>
public class ResController : SingletonBase<ResController>
{
	//同步加载资源
    public T LoadAsset<T>(string name) where T:Object
    {
        //加载资源
        T res=Resources.Load<T>(name);
        if (res is GameObject)
            return GameObject.Instantiate(res);//如果是GameObject 类型的先实例化再返回该对象
        else
            return res;//如果是 TextAsset、AudioClip 等类型的资源文件 则直接返回
    }

    //异步加载资源
    public void LoadAssetAsync<T>(string name, UnityAction<T> callBack) where T : Object
    {
        //使用自己封装的Mono开启协程
        MonoMgr.GetInstance().StartCoroutine(realLoadAssetAysnc(name,callBack));
    }

    //真正的异步加载
    private IEnumerator realLoadAssetAysnc<T>(string name,UnityAction<T> callBack) where T:Object
    {
        ResourceRequest res = Resources.LoadAsync<T>(name);
        yield return res;
        if (res.asset is GameObject)
            callBack(GameObject.Instantiate(res.asset) as T);
        else
            callBack(res.asset as T);
    }
}

测试使用：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class GameStart : MonoBehaviour {

    void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            GameObject obj=ResController.GetInstance().LoadAsset<GameObject>("Pool/Cube");
            obj.transform.localScale = Vector3.one * 2;
        }
        if (Input.GetMouseButtonDown(1))
        {
            ResController.GetInstance().LoadAssetAsync<GameObject>("Pool/Cube2", (obj) => {
                obj.transform.localScale = Vector3.one * 2;
            });
        }


    }
}

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