/// <summary>构造函数</summary>
/// <param name="handler">加载完成时调用的委托</param>
/// <param name="allHandler">全部加载完成时调用的委托</param>
internal MultiBundleLoader(LoadCompleteDelegate handler,LoadAllCompleteDelegate allHandler) {
// if(string.IsNullOrEmpty(sceneName))
// throw new ArgumentException(FrameConst.PREFIX + nameof(sceneName));
// if(string.IsNullOrEmpty(bundleName))
// throw new ArgumentException(FrameConst.PREFIX + nameof(bundleName));
singleBundleLoaderDict = new Dictionary<string, SingleBundleLoader>();
bundleRelationDict = new Dictionary<string, BundleRelation>();
loadCompleteHandler = handler;
loadAllCompleteHandler = allHandler;
}
public IEnumerator LoadAssetBundle(string sceneName, string bundleName, LoadCompleteDelegate handler = null, LoadAllCompleteDelegate allHandler = null)
{
if (string.IsNullOrWhiteSpace(sceneName))
{
throw new ArgumentException(FrameConst.PREFIX + "非法的字符串！", nameof(sceneName));
}
if (string.IsNullOrWhiteSpace(bundleName))
{
throw new ArgumentException(FrameConst.PREFIX + "非法的字符串！", nameof(bundleName));
}
//等待清单文件加载完成
while (!ManifestMgr.Instance.IsLoadFinished)
{
yield return(null);
}
Manifest = ManifestMgr.Instance.GetManifest();
//把当前场景加入集合中
if (!multiBundleLoaderDict.ContainsKey(sceneName))
{
MultiBundleLoader multiBundleLoader = new MultiBundleLoader(handler, allHandler);
multiBundleLoaderDict.Add(sceneName, multiBundleLoader);
}
//加载指定的AB包
yield return(multiBundleLoaderDict[sceneName].LoadAssetBundle(bundleName));
}
