/// <summary>
/// 加载AB包
/// </summary>
/// <param name="abName"></param>
/// <returns></returns>
public IEnumerator LoadAssetBundle(string abName)
{
//AB包关系的建立
if (!_DicABRelation.ContainsKey(abName))
{
ABRelation abRelationObj = new ABRelation(abName);
_DicABRelation.Add(abName, abRelationObj);
}
ABRelation tmpABReltation = _DicABRelation[abName];
//得到指定AB包所有依赖关系（查询清单文件）
string[] strDependenceArray = ABMainfestLoader.GetInstance().RetrivalDependce(abName);
foreach (string item_Depence in strDependenceArray)
{
//添加 依赖项
tmpABReltation.AddDependence(item_Depence);
//添加引用项 递归调用
yield return(LoadReference(item_Depence, abName));
}
//真正加载AB包
if (_DicSingleABLoaderCache.ContainsKey(abName))
{
yield return(_DicSingleABLoaderCache[abName].LoadAssetBundle());
}
else
{
_CurrentSingleABLoader = new SingleABLoader(abName, CompleteLoadAB);
_DicSingleABLoaderCache.Add(abName, _CurrentSingleABLoader);
yield return(_CurrentSingleABLoader.LoadAssetBundle());
}
}
public static ABMainfestLoader GetInstance()
{
if (_Instance == null)
{
_Instance = new ABMainfestLoader();
}
return(_Instance);
}
/// <summary>
/// 下载AB指定包
/// </summary>
/// <param name="scenesName"></param>
/// <param name="abName"></param>
/// <param name="loadAllCompleteHandle">调用是否完成</param>
/// <returns></returns>
public IEnumerator LoadAssetBundlePack(string scenesName, string abName, DeLoadComplete loadAllCompleteHandle)
{
//参数检查
if (string.IsNullOrEmpty(scenesName) || string.IsNullOrEmpty(abName))
{
Debug.LogError("LoadAssetBundlePack方法加载错误，场景名或AB包名称错误");
yield return(null);
}
//等待manifest 清单文件加载完成
while (!ABMainfestLoader.GetInstance().IsLoadCompleted)
{
yield return(null);
}
_ManifestObj = ABMainfestLoader.GetInstance().GetABManifest();
if (_ManifestObj == null)
{
Debug.LogError("LoadAssetBundlePack方法加载错误,_ManifestObj为空");
yield return(null);
}
//当前场景加入集合
if (!_DicAllScenes.ContainsKey(scenesName))
{
MultiABMgr multiObj = new MultiABMgr(scenesName, abName, loadAllCompleteHandle);
_DicAllScenes.Add(scenesName, multiObj);
}
//调用下一层 多包管理类
MultiABMgr tmpMultiObj = _DicAllScenes[scenesName];
if (tmpMultiObj == null)
{
Debug.LogError("LoadAssetBundlePack方法加载错误,tmpMultiObj为空");
}
//调用多包管理类 加载指定AB包
yield return(tmpMultiObj.LoadAssetBundle(abName));
}
private void Awake()
{
//加载清单文件
StartCoroutine(ABMainfestLoader.GetInstance().LoadMainifestFile());
}