public static void InitBundleManifest()
        {
            if (s_ManifestBundleIndex != -1)
            {
                SingleBundleLoader.UnLoad(s_ManifestBundleIndex);
                s_ManifestBundleIndex = -1;
                s_ManifestAsset       = null;
            }

            s_ManifestBundleIndex = SingleBundleLoader.LoadSync(s_ManifestBundleName, null);
            var loader = SingleBundleLoader.GetLoader(s_ManifestBundleIndex);
            var bundle = loader.GetAssetBundle();

            s_ManifestAsset = bundle.LoadAsset <AssetBundleManifest>(s_ManifestAssetName);
        }
        private int InternalLoadSync(Action <bool, AssetBundle> loadedAction)
        {
            if (loadedAction == null)
            {
                loadedAction = s_DefaultLoadedCallback;
            }

            var index = ResourceManager.GetNewResourceIndex();

            m_ResouceIndexSet.Add(index);
            if (m_LoadState == LoadState.Init || m_LoadState == LoadState.WaitLoad)
            {
                var depends = s_ManifestAsset.GetAllDependencies(m_BundleName);
                foreach (var depend in depends)
                {
                    var resIndex = SingleBundleLoader.LoadSync(depend, null);
                    m_DependBundleIndexList.Add(resIndex);
                }

                m_BundleIndex = SingleBundleLoader.LoadSync(m_BundleName, null);
                var bundleLoader = SingleBundleLoader.GetLoader(m_BundleIndex);
                m_Bundle = bundleLoader.GetAssetBundle();

                m_LoadState = LoadState.Complete;
                loadedAction(m_Bundle != null, m_Bundle);
            }
            else if (m_LoadState == LoadState.Loading)
            {
                Debug.LogWarning("错误加载 fullbundleloader");
            }
            else
            {
                loadedAction(m_Bundle != null, m_Bundle);
            }

            return(index);
        }