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using System.Collections;using System.Collections.Generic;using UnityEngine;public class MultiABMgr{    private SingleABLoader _CurrentSingleABLoader;    private Dictionary
     
       _DicSingleABLoaderCache;    private string _CurrentABName;    private Dictionary
      
        _DicABRelation;    private string _CurrentModelName;    public MultiABMgr(string abname, string modlename)    {        _CurrentABName = abname;        _CurrentSingleABLoader = new SingleABLoader(abname);        _DicSingleABLoaderCache = new Dictionary
       
        ();        _DicABRelation = new Dictionary
        
         ();        _CurrentModelName = modlename;    }    /// 
         
    /// 加载AssetBundle包，支持递归加载    /// 
    public void LoadAssetBundle(string abname)    {        Debug.Log("AB--" + abname);        if (!_DicABRelation.ContainsKey(abname))        {            ABRelation aBRelation = new ABRelation(abname);            _DicABRelation.Add(abname, aBRelation);        }        ABRelation tmpaBRelationObj = _DicABRelation[abname];        string[] strDependenceArray = ABManifestLoader.GetInstance().GetAllDepences(abname);        foreach (var item in strDependenceArray)        {            tmpaBRelationObj.AddDependence(item);            if (!_DicABRelation.ContainsKey(item))            {                ABRelation aBRelation = new ABRelation(item);                aBRelation.AddReference(abname);                _DicABRelation.Add(item, aBRelation);                LoadAssetBundle(item);            }            else            {                ABRelation aBRelation = _DicABRelation[abname];                aBRelation.AddReference(abname);            }        }        if (_DicSingleABLoaderCache.ContainsKey(abname))        {            return;        }        else        {            _CurrentSingleABLoader = new SingleABLoader(abname);            _DicSingleABLoaderCache.Add(abname, _CurrentSingleABLoader);            _DicSingleABLoaderCache[abname].LoadAssetBundle();        }    }    public UnityEngine.Object LoadAsset(string abName, string assetName, bool isCache = false)    {        foreach (var item_abname in _DicSingleABLoaderCache.Keys)        {            if (abName == item_abname)            {                return _DicSingleABLoaderCache[item_abname].LoadAsset(assetName, isCache);            }        }        Debug.LogError(GetType() + "/LoadAsset()/找不到Assetbundle包，无法加载资源，请检查abname=" + abName + ",assetName=" + assetName);        return null;    }    public void DisposeAllAsset()    {        try        {            foreach (SingleABLoader item in _DicSingleABLoaderCache.Values)            {                item.DisposeAll();            }        }        finally        {            _DicSingleABLoaderCache.Clear();            _DicSingleABLoaderCache = null;            _DicABRelation.Clear();            _DicABRelation = null;            _CurrentABName = null;            _CurrentModelName = null;            Resources.UnloadUnusedAssets();            System.GC.Collect();        }    }}
        
       
      
     
   
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