// /// <summary>完成指定包的调用</summary>
// /// <param name="bundleName">指定的包名</param>
// private void LoadComplete(string bundleName) {
//// if(string.IsNullOrEmpty(bundleName))
//// throw new ArgumentException(FrameConst.PREFIX + nameof(bundleName));
//
// if(bundleName.Equals(curBundleName))
// loadAllCompleteHandler?.Invoke();
// }
/// <summary>加载依赖的AB包</summary>
/// <param name="bundleName">指定的包名</param>
private IEnumerator LoadDependence(string bundleName) {
//AssetBundle包关系的建立
if(!bundleRelationDict.ContainsKey(bundleName))
bundleRelationDict.Add(bundleName, new BundleRelation(bundleName));
BundleRelation tempBundleRelation = bundleRelationDict[bundleName];
//得到指定AssetBundle包所有的依赖关系（查询相应的清单文件）
string[] dependenceArray = ManifestMgr.Instance.RetrieveDependencies(bundleName);
foreach(var dependenceItem in dependenceArray) {
//添加依赖项
tempBundleRelation.AddABDependence(dependenceItem);
//添加引用项（通过协程方法，递归调用）
yield return LoadReference(dependenceItem, bundleName);
}
//真正加载AssetBundle包，并等待加载完成
if(singleBundleLoaderDict.ContainsKey(bundleName)) {
yield return singleBundleLoaderDict[bundleName].LoadAssetBundle();
}
else {
//当前的SingleBundleLoader变成了下一个
curSingleBundleLoader = new SingleBundleLoader(bundleName,loadCompleteHandler);
singleBundleLoaderDict.Add(bundleName, curSingleBundleLoader);
yield return curSingleBundleLoader.LoadAssetBundle();
}
}
/// <summary>加载引用的AB包</summary>
/// <param name="bundleName">指定的包名</param>
/// <param name="refBundleName">被引用的包名</param>
private IEnumerator LoadReference(string bundleName, string refBundleName) {
//如果包已经加载
if(bundleRelationDict.ContainsKey(bundleName)) {
BundleRelation tempBundleRelation = bundleRelationDict[bundleName];
//添加AB包引用关系（被依赖）
tempBundleRelation.AddReference(refBundleName);
}
//如果包未被加载
else {
BundleRelation tempBundleRelation = new BundleRelation(bundleName);
tempBundleRelation.AddReference(refBundleName);
bundleRelationDict.Add(bundleName, tempBundleRelation);
}
//递归调用：开始加载所依赖的包
yield return LoadDependence(bundleName);
}