/// <summary>
/// 加载AB包
/// </summary>
/// <param name="abName"></param>
/// <returns></returns>
public IEnumerator LoadAssetBundles(string abName)
{
if (!_DicABRelation.ContainsKey(abName))
{
ABRelation abRelationObj = new ABRelation(abName);
_DicABRelation.Add(abName, abRelationObj);
}
ABRelation tmpABRelationObj = _DicABRelation[abName];
//得到指定AB包所有的依赖关系
string[] strDepencedArray = ABManifestLoader.GetInstance().RetrivalDependences(abName);
foreach (string item_Depence in strDepencedArray)
{
//添加“依赖”项
tmpABRelationObj.AddDependence(item_Depence);
//添加“引用”项
yield return(LoadReference(item_Depence, abName));
}
//真正的AB包加载
if (_DicSingleABLoaderCache.ContainsKey(abName))
{
yield return(_DicSingleABLoaderCache[abName].LoadAssetBundle());
}
else
{
_CurrentSingleABLoader = new SingleABLoader(abName, CompletLoadAB);
_DicSingleABLoaderCache.Add(abName, _CurrentSingleABLoader);
yield return(_CurrentSingleABLoader.LoadAssetBundle());
}
}//Method_end
/// <summary>
/// 得到本类实例
/// </summary>
/// <returns></returns>
public static ABManifestLoader GetInstance()
{
if (_Instance == null)
{
_Instance = new ABManifestLoader();
}
return(_Instance);
}
/// <summary>
/// 下载AssetBundle指定包
/// </summary>
/// <param name="sceneName">场景名称</param>
/// <param name="abName">AssetBundle名称</param>
/// <param name="loadAllABCompleteHandle">AssetBundle名称</param>
public IEnumerator LoadAssetBundlePackage(string sceneName, string abName, DelLoadComplete loadAllABCompleteHandle)
{
//参数检查
if (string.IsNullOrEmpty(sceneName) || string.IsNullOrEmpty(abName))
{
Debug.LogError(GetType() + "/LoadAssetBundlePackage()/scenenName Or abName is Null ,请检查！");
yield return(null);
}
//等待Manifest清单加载完成
while (!ABManifestLoader.GetInstance().IsLoadFinish)
{
yield return(null);
}
//获取“AssetBundle（清单文件）系统类”
_ManifestObj = ABManifestLoader.GetInstance().GetABManifest();
//参数检查
if (_ManifestObj == null)
{
Debug.LogError(GetType() + "/LoadAssetBundlePackage()/_ManifestObj==null,请先确保加载Manifest清单文件！");
yield return(null);
}
//如果不包含指定场景，则先创建
if (!_DicAllScenes.ContainsKey(sceneName))
{
CreateScenesAB(sceneName, abName, loadAllABCompleteHandle);
}
//调用下一层(“多AssetBundle管理”类)
MultiABMgr tmpMultiABMgrObj = _DicAllScenes[sceneName];
if (tmpMultiABMgrObj == null)
{
Debug.LogError(GetType() + "/LoadAssetBundlePackage()/tmpMultiABMgrObj==null , 请检查！");
}
yield return(tmpMultiABMgrObj.LoadAssetBundles(abName));
}
private void Awake()
{
// 加载Manifest清单文件
StartCoroutine(ABManifestLoader.GetInstance().LoadManifestFile());
}