/// <summary>
/// 释放所有的ab包资源
/// </summary>
public void DisposeAllAssets()
{
try
{
//逐一释放加载过多的AB包中的资源
foreach (var item in _singleABLoaderCache.Values)
{
item.DisposeAll();
}
}
finally
{
_singleABLoaderCache.Clear();
_singleABLoaderCache = null;
//释放其他对象占用资源
_abRelation.Clear();
_abRelation = null;
_currentABName = null;
LoadAllABPackageCompleteCallback = null;
//卸载没有用到的资源
Resources.UnloadUnusedAssets();
//强制GC回收
System.GC.Collect();
}
}
public SingleAssetBundleLoader(string abName, DelLoadCompleteHandle loadComplete = null, LoadAssetFromWhere where = LoadAssetFromWhere.OnLine)
{
_loadComplete = loadComplete;
_abName = abName;
if (where == LoadAssetFromWhere.OnLine)
{
_abDownLoadPath = PathTools.GetWWWPath() + "/" + _abName;
}
else
{
_abDownLoadPath = PathTools.LocalAB_OutPath + "/" + _abName;
}
}
/// <summary>
/// 加载AB包
/// </summary>
/// <param name="abName">AB包名</param>
/// <param name="loadAllCompletedCallback">全部资源加载完成后的回调事件</param>
public IEnumerator LoadAB(string abName, DelLoadCompleteHandle loadAllCompletedCallback = null, LoadAssetFromWhere where = LoadAssetFromWhere.OnLine)
{
if (string.IsNullOrEmpty(abName))
{
Debug.LogError("LAssets/LoadAB Error ： abName is null or empty");
}
//如果已经存在，说明已经加载过了，无需再次加载
if (_allAssetsBundlePackages.ContainsKey(abName))
{
Debug.LogWarning($"LAssets/LoadAB Warning : the assetbundle file is already loaded the name is {abName}");
yield break;
}
else
{
//从依赖包中查找信息，如果已经加载则停止
foreach (var item in _allAssetsBundlePackages.Values)
{
if (item.ContainsDependentAB(abName))
{
Debug.LogWarning($"LAssets/LoadAB Warning : the assetbundle file is already loaded the name is {abName}");
yield break;
}
}
}
if (ABManifestLoader.Instance.ManifestIsNull)
{
StartCoroutine(ABManifestLoader.Instance.LoadManifestFile(where));
}
//等待Manifest清单文件的加载完成
while (!ABManifestLoader.Instance.IsLoadFinish)
{
yield return(null);
}
_manifest = ABManifestLoader.Instance.GetABManifest();//获取清单文件
if (_manifest == null)
{
Debug.LogError($"LAssets/LoadAB Error: the manifest is null");
yield break;
}
MultABManager multABMgr = null;
//把当前的包添加进集合中
if (!_allAssetsBundlePackages.ContainsKey(abName))
{
multABMgr = new MultABManager(abName, loadAllCompletedCallback);
_allAssetsBundlePackages.Add(abName, multABMgr);
}
else
{
multABMgr = _allAssetsBundlePackages[abName];
}
if (multABMgr == null)
{
Debug.LogError("LAssets/LoadAB Error : multAbMgr is null");
yield break;
}
yield return(multABMgr.LoadAB(abName, where));
}
public MultABManager(string abName, DelLoadCompleteHandle cb = null)
{
_currentABName = abName;
LoadAllABPackageCompleteCallback = cb;
}
