Exemplo n.º 1
0
        /// <summary>
        /// Computes the amount of data needed to be downloaded for this bundle.
        /// </summary>
        /// <param name="location">The location of the bundle.</param>
        /// <param name="resourceManager">The object that contains all the resource locations.</param>
        /// <returns>The size in bytes of the bundle that is needed to be downloaded.  If the local cache contains the bundle or it is a local bundle, 0 will be returned.</returns>
        public virtual long ComputeSize(IResourceLocation location, ResourceManager resourceManager)
        {
            var id = resourceManager == null ? location.InternalId : resourceManager.TransformInternalId(location);

            if (!ResourceManagerConfig.IsPathRemote(id))
            {
                return(0);
            }
            var locHash = Hash128.Parse(Hash);

#if ENABLE_CACHING
            if (locHash.isValid) //If we have a hash, ensure that our desired version is cached.
            {
                if (Caching.IsVersionCached(new CachedAssetBundle(BundleName, locHash)))
                {
                    return(0);
                }
                return(BundleSize);
            }
            else //If we don't have a hash, any cached version will do.
            {
                List <Hash128> versions = new List <Hash128>();
                Caching.GetCachedVersions(BundleName, versions);
                if (versions.Count > 0)
                {
                    return(0);
                }
            }
#endif //ENABLE_CACHING
            return(BundleSize);
        }
Exemplo n.º 2
0
        private IEnumerator GetAssetBundles()
        {
            if (this.currentManifest == null)
            {
                yield break;
            }
            startCount++;

            var list = this.currentManifest.GetAllAssetBundles();

            foreach (var asset in list)
            {
                //to compare them with cached version
                List <Hash128> listOfCachedVersions = new List <Hash128>();
                Caching.GetCachedVersions(asset, listOfCachedVersions);

                var currentHash = this.currentManifest.GetAssetBundleHash(asset);

                var co = StartCoroutine(this.GetBundle(asset, currentHash));
                this.currentDownloads.Add(co);
                yield return(co);
            }

            //Debug.LogFormat("GetAssetBundles done");
            startCount--;
            yield return(0);
        }
Exemplo n.º 3
0
        /// <summary>
        /// Computes the amount of data needed to be downloaded for this bundle.
        /// </summary>
        /// <param name="loc">The location of the bundle.</param>
        /// <returns>The size in bytes of the bundle that is needed to be downloaded.  If the local cache contains the bundle or it is a local bundle, 0 will be returned.</returns>
        public virtual long ComputeSize(IResourceLocation loc)
        {
            if (!loc.InternalId.Contains("://"))
            {
                return(0);
            }
            var locHash = Hash128.Parse(Hash);

#if !UNITY_SWITCH && !UNITY_PS4
            var bundleName = Path.GetFileNameWithoutExtension(loc.InternalId);
            if (locHash.isValid) //If we have a hash, ensure that our desired version is cached.
            {
                if (Caching.IsVersionCached(bundleName, locHash))
                {
                    return(0);
                }
                return(BundleSize);
            }
            else //If we don't have a hash, any cached version will do.
            {
                List <Hash128> versions = new List <Hash128>();
                Caching.GetCachedVersions(bundleName, versions);
                if (versions.Count > 0)
                {
                    return(0);
                }
            }
#endif //!UNITY_SWITCH && !UNITY_PS4
            return(BundleSize);
        }
        IEnumerator GetAssetBundle()
        {
            using (UnityWebRequest uwr = UnityWebRequestAssetBundle.GetAssetBundle(URL + affix, 2, 0))
            {
                var req = uwr.SendWebRequest();
                while (!req.isDone)
                {
                    Debug.Log(uwr.downloadProgress);
                    yield return(null);
                }
                ;

                if (uwr.isNetworkError || uwr.isHttpError)
                {
                    Debug.Log(uwr.error);

                    yield break;
                }

                var            bundle = DownloadHandlerAssetBundle.GetContent(uwr);
                List <Hash128> listOfCachedVersions = new List <Hash128>();
                Caching.GetCachedVersions(bundle.name, listOfCachedVersions);

                foreach (var ele in bundle.GetAllAssetNames())
                {
                    var rBundle = bundle.LoadAssetAsync(ele);
                    var texture = rBundle.asset as Texture2D;
                    SampleObject.GetComponent <Image>().sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), Vector2.zero);
                    yield return(new WaitForSeconds(0.5f));
                }
            };
        }
Exemplo n.º 5
0
        public void TestDownloadCachedAsset(string error, AssetBundle bundle)
        {
            List <Hash128> cachedVersions = new List <Hash128>();

            Caching.GetCachedVersions(bundle.name, cachedVersions);
            Assert.IsTrue(bundle.Contains(TestConstants.SAMPLE_PREFAB));
            Assert.AreEqual(cachedVersions.Count, 1);
            AssetBundle.UnloadAllAssetBundles(true);
            bool cleared = Caching.defaultCache.ClearCache();
        }
Exemplo n.º 6
0
    public bool IsCached(string bundleId)
    {
        if (!Catalog.ContainsEntry(bundleId))
        {
            return(false);
        }
        var list = new List <Hash128>();

        Caching.GetCachedVersions(bundleId, list);
        return(list.Count > 0);
    }
Exemplo n.º 7
0
    public async UniTask <AssetBundle> LoadCachedBundle(string bundleId)
    {
        if (LoadedBundles.ContainsKey(bundleId))
        {
            LoadedBundles[bundleId].RefCount++;
            return(LoadedBundles[bundleId].AssetBundle);
        }
        Debug.Log($"[BundleManager] Requested cached bundle {bundleId}");
        Debug.Log($"[BundleManager] Version: {Catalog.GetEntry(bundleId).version}");
        if (!IsCached(bundleId))
        {
            return(null);
        }
        UnityWebRequest request;

        if (IsUpToDate(bundleId))
        {
            Debug.Log($"[BundleManager] Cached bundle matches version");
            // Use latest version
            request = UnityWebRequestAssetBundle.GetAssetBundle(bundleId, Catalog.GetEntry(bundleId).version, 0U);
        }
        else
        {
            // Use any existing version
            var list = new List <Hash128>();
            Caching.GetCachedVersions(bundleId, list);
            Debug.Log($"[BundleManager] Cached bundle does not match version. Using {list.Last()}...");
            request = UnityWebRequestAssetBundle.GetAssetBundle(bundleId, list.Last());
        }
        using (request)
        {
            await request.SendWebRequest();

            if (request.isNetworkError || request.isHttpError)
            {
                Debug.LogError(request.error);
                return(null);
            }

            var ab = DownloadHandlerAssetBundle.GetContent(request);
            LoadedBundles[bundleId] = new Entry {
                Id = bundleId, AssetBundle = ab, RefCount = 1
            };
            return(ab);
        }
    }
Exemplo n.º 8
0
    void CheckItemsState()
    {
        itemsBought = new Dictionary <string, bool>();
        foreach (ScriptableStoreItem item in storeItems.items)
        {
            //TODO:: check also if any item is bought in IAP (might not been downloaded in this phone - or even deleted?)
            itemsBought[item.GetThisPlatformId()] = true; // DEBUG
        }

        itemsDownloaded = new Dictionary <string, bool>();
        foreach (ScriptableStoreItem item in storeItems.items)
        {
            // check if latest version is in cache, if so trigger an event (as someone will want to use it - this might be at startup)
            List <Hash128> cachedVersions = new List <Hash128>();
            Caching.GetCachedVersions(item.bundle.GetBundleName(), cachedVersions);
            //Caching.GetCachedVersions("pepe", cachedVersions);
            string str = "";
            foreach (Hash128 h in cachedVersions)
            {
                //str += h.ToString() + ", ";
                str += h.ToString() + " :: " + h.GetHashCode() + " :: " + h.isValid + "\n";
            }
            Debug.Log("item " + item.bundle.GetBundleName() + "\ncachedVersions:" + str + "\nlatestHash:" + itemsLatestHash[item.GetThisPlatformId()].ToString());

            bool cached = false;
            foreach (Hash128 cachedHash in cachedVersions)
            {
                //if (cachedVersions.Contains(itemsLatestHash[item.GetThisPlatformId()]))
                if (cachedHash == itemsLatestHash[item.GetThisPlatformId()])
                {
                    Debug.Log("latest is in cache");
                    itemsDownloaded[item.GetThisPlatformId()] = true;
                    cached = true;
                }
                //else
            }
            if (!cached)
            {
                Debug.Log("version available to download");
                itemsDownloaded[item.GetThisPlatformId()] = false;
            }
        }

        itemsAsset = new Dictionary <string, Object>();
    }
    public static int GetCachedVersions_s(IntPtr l)
    {
        int result;

        try
        {
            string assetBundleName;
            LuaObject.checkType(l, 1, out assetBundleName);
            List <Hash128> outCachedVersions;
            LuaObject.checkType <List <Hash128> >(l, 2, out outCachedVersions);
            Caching.GetCachedVersions(assetBundleName, outCachedVersions);
            LuaObject.pushValue(l, true);
            result = 1;
        }
        catch (Exception e)
        {
            result = LuaObject.error(l, e);
        }
        return(result);
    }
        /// <inheritdoc/>
        public override long ComputeSize(IResourceLocation location, ResourceManager resourceManager)
        {
            var id = resourceManager == null ? location.InternalId : resourceManager.TransformInternalId(location);

            if (!ResourceManagerConfig.IsPathRemote(id))
            {
                return(0);
            }

            var locHash = Hash128.Parse(Hash);

            if (!locHash.isValid)
            {
                return(BundleSize);
            }

#if !UNITY_SWITCH && !UNITY_PS4
            var bundleName = Path.GetFileNameWithoutExtension(id);
            if (locHash.isValid) //If we have a hash, ensure that our desired version is cached.
            {
                if (Caching.IsVersionCached(bundleName, locHash))
                {
                    return(0);
                }
                return(BundleSize);
            }
            else //If we don't have a hash, any cached version will do.
            {
                List <Hash128> versions = new List <Hash128>();
                Caching.GetCachedVersions(bundleName, versions);
                if (versions.Count > 0)
                {
                    return(0);
                }
            }
#endif //!UNITY_SWITCH && !UNITY_PS4
            return(BundleSize);
        }
        /// <summary>
        /// Computes the amount of data needed to be downloaded for this bundle.
        /// </summary>
        /// <param name="loc">The location of the bundle.</param>
        /// <returns>The size in bytes of the bundle that is needed to be downloaded.  If the local cache contains the bundle or it is a local bundle, 0 will be returned.</returns>
        public override long ComputeSize(IResourceLocation loc)
        {
            if (!loc.InternalId.Contains("://"))
            {
//                Debug.LogFormat("Location {0} is local, ignoring size", loc);
                return(0);
            }
            var locHash = Hash128.Parse(Hash);

            if (!locHash.isValid)
            {
                //               Debug.LogFormat("Location {0} has invalid hash, using size of {1}", loc, BundleSize);
                return(BundleSize);
            }
#if !UNITY_SWITCH && !UNITY_PS4
            var bundleName = Path.GetFileNameWithoutExtension(loc.InternalId);
            if (locHash.isValid) //If we have a hash, ensure that our desired version is cached.
            {
                if (Caching.IsVersionCached(bundleName, locHash))
                {
                    return(0);
                }
                return(BundleSize);
            }
            else //If we don't have a hash, any cached version will do.
            {
                List <Hash128> versions = new List <Hash128>();
                Caching.GetCachedVersions(bundleName, versions);
                if (versions.Count > 0)
                {
                    return(0);
                }
            }
#endif //!UNITY_SWITCH && !UNITY_PS4
            return(BundleSize);
        }
Exemplo n.º 12
0
    IEnumerator DownloadAndCacheAssetBundle(string uri, string manifestBundlePath)
    {
        //Load the manifest
        AssetBundle         manifestBundle = AssetBundle.LoadFromFile(manifestBundlePath);
        AssetBundleManifest manifest       = manifestBundle.LoadAsset <AssetBundleManifest>("AssetBundleManifest");

        //Create new cache
        string today = DateTime.Today.ToLongDateString();

        Directory.CreateDirectory(today);
        Cache newCache = Caching.AddCache(today);

        //Set current cache for writing to the new cache if the cache is valid
        if (newCache.valid)
        {
            Caching.currentCacheForWriting = newCache;
        }

        //Download the bundle
        Hash128         hash    = manifest.GetAssetBundleHash("bundleName");
        UnityWebRequest request = UnityWebRequestAssetBundle.GetAssetBundle(uri, hash, 0);

        yield return(request.SendWebRequest());

        AssetBundle bundle = DownloadHandlerAssetBundle.GetContent(request);

        //Get all the cached versions
        List <Hash128> listOfCachedVersions = new List <Hash128>();

        Caching.GetCachedVersions(bundle.name, listOfCachedVersions);

        if (!AssetBundleContainsAssetIWantToLoad(bundle))     //Or any conditions you want to check on your new asset bundle
        {
            //If our criteria wasn't met, we can remove the new cache and revert back to the most recent one
            Caching.currentCacheForWriting = Caching.GetCacheAt(Caching.cacheCount);
            Caching.RemoveCache(newCache);

            for (int i = listOfCachedVersions.Count - 1; i > 0; i--)
            {
                //Load a different bundle from a different cache
                request = UnityWebRequestAssetBundle.GetAssetBundle(uri, listOfCachedVersions[i], 0);
                yield return(request.SendWebRequest());

                bundle = DownloadHandlerAssetBundle.GetContent(request);

                //Check and see if the newly loaded bundle from the cache meets your criteria
                if (AssetBundleContainsAssetIWantToLoad(bundle))
                {
                    break;
                }
            }
        }
        else
        {
            //This is if we only want to keep 5 local caches at any time
            if (Caching.cacheCount > 5)
            {
                Caching.RemoveCache(Caching.GetCacheAt(1));     //Removes the oldest user created cache
            }
        }
    }
Exemplo n.º 13
0
    public static IEnumerator loadBundle(Enums.AssetBundleIdentifiers bundleIdentifier, UnityAction <AssetBundle> callback, UnityAction <UnityWebRequest> downloadProgress, bool shouldBeCached)
    {
        string platformBundleName = bundleIdentifier.ToString().ToLower();

#if UNITY_EDITOR_OSX || UNITY_STANDALONE_OSX
        platformBundleName += "-Mac";
#elif UNITY_ANDROID
        platformBundleName += "-Android";
#elif UNITY_IOS
        platformBundleName += "-IOS";
#elif UNITY_STANDALONE_LINUX
        platformBundleName += "-Linux";
#endif

        List <Hash128> cachedVersions = new List <Hash128>();
        Caching.GetCachedVersions(platformBundleName, cachedVersions);
        Hash128 versionCheckHash = Hash128.Compute(AssetBundleManager.getAssetBundleVersion(bundleIdentifier).ToString());
        if (!cachedVersions.Contains(versionCheckHash) && shouldBeCached)
        {
            Debug.LogError("=============");
            Debug.LogError("Asset bundle: '" + platformBundleName + "' should have been cached, but isn't.");
            Debug.LogError("=============");
        }

        if (!cachedVersions.Contains(versionCheckHash) && AssetBundleManager.getAssetBundle(bundleIdentifier) != null)
        {
            Debug.Log("Removing old asset bundle version from cache.");
            AssetBundleManager.removeAssetBundle(bundleIdentifier);
        }

        string bundleUrl = bundleBaseUrl + platformBundleName;
        Debug.Log("Bundle URL: " + bundleUrl);

        UnityWebRequest req = UnityWebRequestAssetBundle.GetAssetBundle(bundleUrl, versionCheckHash, 0);
        if (downloadProgress != null)
        {
            downloadProgress(req);
        }
        yield return(req.SendWebRequest());

        if (req.isNetworkError)
        {
            Debug.LogError("Network error. " + req.responseCode);
        }
        else
        {
            if (AssetBundleManager.getAssetBundle(bundleIdentifier) != null)
            {
                Debug.Log("Asset bundle loaded from memory!");
                callback(AssetBundleManager.getAssetBundle(bundleIdentifier));
            }
            else
            {
                AssetBundle assetBundle = DownloadHandlerAssetBundle.GetContent(req);
                if (assetBundle != null)
                {
                    Debug.Log("Asset bundle loaded!");
                    AssetBundleManager.addAssetBundle(bundleIdentifier, assetBundle);
                    callback(assetBundle);
                }
                else
                {
                    Debug.LogError("BUNDLE IS NULL");
                }
            }
        }
    }
Exemplo n.º 14
0
    /// <summary>
    /// 下载服务器的ABConfig.json与本地ABConfig.json对比差异,有差异则下载更新
    /// </summary>
    /// <returns></returns>
    private IEnumerator DoCheckUpdate(Action <Dictionary <string, SingleBundleInfo> > onFinished)
    {
        string abConfigUrl = _baseURL + "ABConfig.json";

        UnityWebRequest request = UnityWebRequest.Get(abConfigUrl);

        yield return(request.SendWebRequest());

        if (request.error != null)
        {
            LogUtil.LogError($"下载AssetBundle版本文件时发生错误,url:{abConfigUrl},error:{request.error}");
            yield break;
        }

        _serverABConfig = request.downloadHandler.text;
        request.Dispose();

        Debug.Log("下载AssetBundle的版本文件:\n" + _serverABConfig);
        var serverAllBundleInfo = JsonConvert.DeserializeObject <AllBundleInfo>(_serverABConfig);

        if (serverAllBundleInfo == null)
        {
            LogUtil.LogError("下载AssetBundle版本文件解析出来是空值!");
            yield break;
        }

        string streamingAssetsABconfigPath = Application.streamingAssetsPath + "/ABconfig.json";//本地路径

        if (!File.Exists(streamingAssetsABconfigPath))
        {
            LogUtil.LogError("streamingAssetsPath文件夹没有ABconfig.json文件!");
            yield break;
        }

        //缓存文件夹没有 ABconfig.json ,则从 streamingAssetsPath 文件下拷贝过去
        string persistentABconfigPath = Application.persistentDataPath + "/ABconfig.json";//缓存路径

        if (!File.Exists(persistentABconfigPath))
        {
            FileInfo fileInfo = new FileInfo(streamingAssetsABconfigPath);
            fileInfo.CopyTo(persistentABconfigPath);
            Debug.Log("成功从“streamingAssetsPath”拷贝ABconfig.json到“persistentDataPath”!");
        }
        else
        {
            Debug.Log("“persistentDataPath”路径下存在ABconfig.json文件!");
        }

        //打开缓存的 ABconfig.json,比较差别,检测是否需要更新
        string abConfig           = FileHelper.ReadStrFromFile(persistentABconfigPath, false);
        var    localAllBundleInfo = JsonConvert.DeserializeObject <AllBundleInfo>(abConfig);

        if (localAllBundleInfo == null)
        {
            LogUtil.LogError("缓存文件夹下ABconfig.json文件格式错误!");
            yield break;
        }

        Debug.Log("本地AssetBundle版本文件:\n" + JsonConvert.SerializeObject(localAllBundleInfo, Formatting.Indented));

        //获取需要更新的assetbundle。
        Dictionary <string, SingleBundleInfo> changedDic = GetChangedBundleInfo(serverAllBundleInfo.BundleInfoList, localAllBundleInfo.BundleInfoList);

        foreach (var item in changedDic)
        {
            List <Hash128> lis = new List <Hash128>();
            Caching.GetCachedVersions(item.Value.bundleName, lis);
            foreach (var hash128 in lis)
            {
                Debug.Log(string.Format("AssetBundle:{0},hash128:{1}", item.Value.bundleName, hash128));
            }
        }

        Debug.Log(string.Format("需要更新的资源有{0}个,列表如下:", changedDic.Count));
        foreach (var item in changedDic)
        {
            Debug.Log(item.Value.bundleName);
        }

        //没有资源更新的情况
        if (changedDic.Count == 0)
        {
            InitBasicData();
        }

        onFinished?.Invoke(changedDic);
    }
Exemplo n.º 15
0
    //public void LoadFromLocal()
    //{
    //    string path = "";

    //    path = "file://" + Application.persistentDataPath + "/ar-exp-saltbrochure-android";
    //    //path = "file://" + "C:/Users/sricciardi/Desktop/Projects/AR Projects/Salt-Generic-AR-App/Assets/AssetBundles/Android" + "/ar-exp-saltbrochure-android";
    //    Debug.Log(path);

    //    StartCoroutine(LoadFromMemoryAsync(path));
    //}


    IEnumerator DownloadAndCacheAB(string bundleURLPath, string manifestURLBundlePath)
    {
        //AssetBundle manifestBundle = AssetBundle.LoadFromFile(manifestBundlePath);
        //AssetBundleManifest manifest = manifestBundle.LoadAsset<AssetBundleManifest>("AssetBundleManifest");
        string editorManifestFilePath = Application.dataPath + "/AssetBundles/Android/" + ABFileName + ".manifest";
        string manifestFilePath       = Path.Combine(Application.persistentDataPath, ABmanifestFileName);
        string bundleFilePath         = Path.Combine(Application.persistentDataPath, ABFileName);

        Debug.Log("Unity Editor manifest path " + editorManifestFilePath);

        if (Application.isEditor)
        {
            DHmanifest = new DownloadHandlerFile(editorManifestFilePath);
            Debug.Log("I am running in the Unity Editor!");
        }
        else
        {
            DHmanifest = new DownloadHandlerFile(manifestFilePath);
        }

        //DownloadHandlerFile dh = new DownloadHandlerFile(filePath);
        //DownloadHandlerAssetBundle DHAB = new DownloadHandlerAssetBundle(bundleFilePath);

        //DownloadHandler DHmanifest = new DownloadHandlerFile(manifestFilePath);   // Correct!

        UWRmanifest = UnityWebRequest.Get(manifestURLBundlePath);
        //UWRbundle = UnityWebRequestAssetBundle.GetAssetBundle(bundleURLPath);
        //uwr.downloadHandler = dhAB;
        UWRmanifest.downloadHandler = DHmanifest;
        yield return(UWRmanifest.SendWebRequest());

        //UWRbundle.downloadHandler = DHAB;
        //yield return UWRbundle.SendWebRequest();

        //uwr.downloadHandler = dh;
        //yield return uwr.SendWebRequest();

        if (UWRmanifest.isNetworkError || UWRmanifest.isHttpError)
        {
            Debug.Log("Network error trying to retrieve the manifest file!");
        }
        else
        {
            Debug.Log("There was no Network error, so try to load the Asset Bundle from the local file");
            AssetBundle         manifestBundle = AssetBundle.LoadFromFile(manifestFilePath);
            AssetBundleManifest manifest       = manifestBundle.LoadAsset <AssetBundleManifest>("AssetBundleManifest");

            //Create new cache
            string today = DateTime.Today.ToLongDateString();
            Directory.CreateDirectory(today);
            Cache newCache = Caching.AddCache(today);

            //Set current cache for writing to the new cache if the cache is valid
            if (newCache.valid)
            {
                Caching.currentCacheForWriting = newCache;
            }

            //Download the bundle
            Hash128         hash             = manifest.GetAssetBundleHash(ABFileName);
            UnityWebRequest UWRbundleRequest = UnityWebRequestAssetBundle.GetAssetBundle(bundleURLPath, hash, 0);
            yield return(UWRbundleRequest.SendWebRequest());

            AssetBundle UWRbundle = DownloadHandlerAssetBundle.GetContent(UWRbundleRequest);

            //Get all the cached versions
            List <Hash128> listOfCachedVersions = new List <Hash128>();
            Caching.GetCachedVersions(UWRbundle.name, listOfCachedVersions);

            if (!AssetBundleContainsAssetIWantToLoad(UWRbundle))
            {
                Caching.currentCacheForWriting = Caching.GetCacheAt(Caching.cacheCount);
                Caching.RemoveCache(newCache);
                Debug.Log("There is no Scene in the downloaded Asset Bundle.");

                for (int i = listOfCachedVersions.Count - 1; i > 0; i--)
                {
                    //Load a different bundle from a different cache.
                    UWRbundleRequest = UnityWebRequestAssetBundle.GetAssetBundle(bundleURLPath, listOfCachedVersions[i], 0);
                    yield return(UWRbundleRequest.SendWebRequest());

                    UWRbundle = DownloadHandlerAssetBundle.GetContent(UWRbundleRequest);

                    //Check and see if the newly loaded bundle from the cache meets your criteria.
                    if (AssetBundleContainsAssetIWantToLoad(UWRbundle))
                    {
                        //This is where I need to load the scene the correct way.
                        break;
                    }
                }
            }
            else
            {
                Debug.Log("I found the scene I am looking for in the downloaded version.");
            }
        }



        /*
         * if (uwr.isNetworkError || uwr.isHttpError)
         * {
         *  Debug.Log(uwr.error);
         * } else
         * {
         *  //Get Asset Bundle
         *  AssetBundle bundle = DownloadHandlerAssetBundle.GetContent(uwr);
         *
         *  isLoading = true;
         *
         *  if (uwr.isDone)
         *  {
         *
         *      //AssetBundleManifest manifest = bundle.LoadAsset<AssetBundleManifest>(bundle.name);
         *      Debug.Log("bundle name " + bundle.name);
         *      Debug.Log("is Streamed Asset Bundle " + bundle.isStreamedSceneAssetBundle);
         *  }
         *
         *
         *  //AssetBundle manifestBundle = AssetBundle.LoadFromFile(manifestBundlePath);
         *  //AssetBundleManifest manifest = bundle.LoadAssetAsync<AssetBundleManifest>(ABFileName);
         *  //Debug.Log("manifest " + manifest);
         *
         *  string[] assetBundlePaths = bundle.GetAllScenePaths();
         *
         *  if (assetBundlePaths != null) {
         *
         *      //AssetBundleLoadOperation request = AssetBundleManager.LoadLevelAsync(sceneAssetBundle, levelName, isAdditive);
         *      //if (request == null)
         *      //    yield break;
         *      //yield return StartCoroutine(request);
         *
         *      for (int i = 0; i < assetBundlePaths.Length; i++)
         *      {
         *          Debug.Log("string # " + i + " is " + assetBundlePaths[i]);
         *      }
         *  }
         */



        //string filePath = Path.Combine(Application.persistentDataPath, ABFileName);

        //DownloadHandlerFile dh = new DownloadHandlerFile(filePath);

        //UnityWebRequest requestFile = UnityWebRequest.Get(url);

        //requestFile.downloadHandler = dh;


        //yield return requestFile.SendWebRequest();

        //if (!requestFile.isHttpError && !requestFile.isNetworkError)
        //{
        //    Debug.Log("Download complete, attempting to load bundle.");

        //    AssetBundle bundleFile = AssetBundle.LoadFromFile(filePath);

        //    SceneManager.LoadScene(bundleFile.GetAllScenePaths()[0]);
        //}
        //else
        //{
        //    Debug.LogError(requestFile.responseCode + ": " + requestFile.error);
        //}



        // Load level from assetBundle.



        ////AssetBundleRequest asset = bundle.LoadAssetAsync<AssetBundleManifest>(ABFileName);
        //AssetBundleRequest asset = bundle.LoadAsset<AssetBundleManifest>(ABFileName);
        //yield return asset;

        ////Get the Asset Bundle Manifest
        //AssetBundleManifest loadedAssetMf = asset.asset as AssetBundleManifest;
        ////Get Hash128 from the AssetBundleManifest
        //Hash128 tempHash128 = loadedAssetMf.GetAssetBundleHash(ABFileName);

        ////Pass to the isVersionCached function
        //if (Caching.IsVersionCached(bundlePath, tempHash128))
        //{
        //    isCached = true;
        //    Debug.Log("Bundle is Cached");
        //} else
        //{
        //    isLoading = true;
        //    Debug.Log("Bundle is Downloading....");
        //}
        ////Caching.IsVersionCached(bundlePath, tempHash128);
    }