AssetBundle框架主流程之SingleABLoader

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

public class SingleABLoader : System.IDisposable
{
    private AssetLoader _AssetLoader;

    private string _ABName;

    private string _ABLoadPath;
    public SingleABLoader(string abName)
    {
        _ABName = abName;
        _ABLoadPath = PathTools.GetABPath() + "/" + _ABName;//
        Debug.Log("_ABLoadPath=" + _ABLoadPath);
    }


    /// <summary>
    /// 加載ＡＢ包
    /// </summary>
    public void LoadAssetBundle()
    {
        _AssetLoader = new AssetLoader(AssetBundle.LoadFromFile(_ABLoadPath));
    }

    /// <summary>
    /// 加載ab包中指定的資源
    /// </summary>
    /// <param name="asstName"></param>
    /// <param name="isCache"></param>
    /// <returns></returns>
    public UnityEngine.Object LoadAsset(string assetName, bool isCache = false)
    {
        if (_AssetLoader != null)
        {
            return _AssetLoader.LoadAsset(assetName, isCache);
        }
        Debug.LogError(GetType() + "/LoadAsset()/參數_AssetLoader = null!，請檢查");
        return null;
    }


    /// <summary>
    /// 卸載指定資源
    /// /// </summary>
    /// <param name="asset">資源名稱</param>
    /// <returns></returns>
    public void UnLoadAsset(UnityEngine.Object asset)
    {
        _AssetLoader.UnLoadAsset(asset);
    }

    /// <summary>
    ///  //釋放資源
    /// </summary>
    void IDisposable.Dispose()
    {
        if (_AssetLoader != null)
        {
            _AssetLoader.Dispose();
            _AssetLoader = null;
        }
        else
        {
            Debug.LogError(GetType() + "/UnLoadAsset()/參數 _AssetLoader== null 請檢查");
        }
    }


    /// <summary>
    /// //釋放當前AssetBundle資源包  ，且卸載所有資源
    /// </summary>
    public void DisposeAll()
    {
        if (_AssetLoader != null)
        {
            _AssetLoader.DisposeAll();
            _AssetLoader = null;
        }
        else
        {
            Debug.LogError(GetType() + "/UnLoadAsset()/參數 _AssetLoader== null 請檢查");
        }
    }

    /// <summary>
    /// 查詢當前AssetBundle中包含的所有資源名稱
    /// </summary>
    /// <returns></returns>
    public string[] RetriveAllAssetName()
    {
        if (_AssetLoader != null)
        {
            return _AssetLoader.RetriveAllAssetName();
        }
        else
        {
            Debug.LogError(GetType() + "/UnLoadAsset()/參數 _AssetLoader== null 請檢查");
            return null;
        }

    }

}