IResources 

using System;using Loxodon.Framework.Bundles;namespace Loxodon.Framework.Examples.Bundle
{public class CustomBundleLoaderBuilder : AbstractLoaderBuilder{private bool useCache;private IDecryptor decryptor;public CustomBundleLoaderBuilder(Uri baseUri, bool useCache) : this(baseUri, useCache, null){}public CustomBundleLoaderBuilder(Uri baseUri, bool useCache, IDecryptor decryptor) : base(baseUri){this.useCache = useCache;this.decryptor = decryptor;}public override BundleLoader Create(BundleManager manager, BundleInfo bundleInfo, BundleLoader[] dependencies){//Customize the rules for finding assets.Uri loadBaseUri = this.BaseUri; //eg: http://your ip/bundlesif (this.useCache && BundleUtil.ExistsInCache(bundleInfo)){//Load assets from the cache of Unity3d.loadBaseUri = this.BaseUri;
#if UNITY_5_4_OR_NEWERreturn new UnityWebRequestBundleLoader(new Uri(loadBaseUri, bundleInfo.Filename), bundleInfo, dependencies, manager, this.useCache);
#elsereturn new WWWBundleLoader(new Uri(loadBaseUri, bundleInfo.Filename), bundleInfo, dependencies, manager, this.useCache);
#endif}if (BundleUtil.ExistsInStorableDirectory(bundleInfo)){//Load assets from the "Application.persistentDataPath/bundles" folder./* Path: Application.persistentDataPath + "/bundles/" + bundleInfo.Filename  */loadBaseUri = new Uri(BundleUtil.GetStorableDirectory());}#if !UNITY_WEBGL || UNITY_EDITORelse if (BundleUtil.ExistsInReadOnlyDirectory(bundleInfo)){//Load assets from the "Application.streamingAssetsPath/bundles" folder./* Path: Application.streamingAssetsPath + "/bundles/" + bundleInfo.Filename */loadBaseUri = new Uri(BundleUtil.GetReadOnlyDirectory());}
#endifif (bundleInfo.IsEncrypted){if (this.decryptor != null && bundleInfo.Encoding.Equals(decryptor.AlgorithmName))return new CryptographBundleLoader(new Uri(loadBaseUri, bundleInfo.Filename), bundleInfo, dependencies, manager, decryptor);throw new NotSupportedException(string.Format("Not support the encryption algorithm '{0}'.", bundleInfo.Encoding));}//Loads assets from an Internet address if it does not exist in the local directory.
#if UNITY_5_4_OR_NEWERif (this.IsRemoteUri(loadBaseUri))return new UnityWebRequestBundleLoader(new Uri(loadBaseUri, bundleInfo.Filename), bundleInfo, dependencies, manager, this.useCache);elsereturn new FileAsyncBundleLoader(new Uri(loadBaseUri, bundleInfo.Filename), bundleInfo, dependencies, manager);
#elsereturn new WWWBundleLoader(new Uri(loadBaseUri, bundleInfo.Filename), bundleInfo, dependencies, manager, this.useCache);
#endif}}
}

        void Load(string[] names){IProgressResult<float, GameObject[]> result = resources.LoadAssetsAsync<GameObject>(names);result.Callbackable().OnProgressCallback(p =>{Debug.LogFormat("Progress:{0}%", p * 100);});result.Callbackable().OnCallback((r) =>{try{if (r.Exception != null)throw r.Exception;foreach (GameObject template in r.Result){GameObject.Instantiate(template);}}catch (Exception e){Debug.LogErrorFormat("Load failure.Error:{0}", e);}});}

        void LoadSceneByCallback(string sceneName){ISceneLoadingResult<Scene> result = this.resources.LoadSceneAsync(sceneName);result.AllowSceneActivation = false;result.OnProgressCallback(p =>{//Debug.LogFormat("Loading {0}%", (p * 100));});result.OnStateChangedCallback(state =>{if (state == LoadState.Failed)Debug.LogFormat("Loads scene '{0}' failure.Error:{1}", sceneName, result.Exception);else if (state == LoadState.Completed)Debug.LogFormat("Loads scene '{0}' completed.", sceneName);else if (state == LoadState.AssetBundleLoaded)Debug.LogFormat("The AssetBundle has been loaded.");else if (state == LoadState.SceneActivationReady){Debug.LogFormat("Ready to activate the scene.");result.AllowSceneActivation = true;}});}

        IEnumerator LoadSceneByCoroutine(string sceneName){ISceneLoadingResult<Scene> result = this.resources.LoadSceneAsync(sceneName);while (!result.IsDone){//Debug.LogFormat("Loading {0}%", (result.Progress * 100));yield return null;}if (result.Exception != null){Debug.LogFormat("Loads scene '{0}' failure.Error:{1}", sceneName, result.Exception);}else{Debug.LogFormat("Loads scene '{0}' completed.", sceneName);}}

IEnumerator Download(){this.downloading = true;try{IProgressResult<Progress, BundleManifest> manifestResult = this.downloader.DownloadManifest(BundleSetting.ManifestFilename);yield return manifestResult.WaitForDone();if (manifestResult.Exception != null){Debug.LogFormat("Downloads BundleManifest failure.Error:{0}", manifestResult.Exception);yield break;}BundleManifest manifest = manifestResult.Result;IProgressResult<float, List<BundleInfo>> bundlesResult = this.downloader.GetDownloadList(manifest);yield return bundlesResult.WaitForDone();List<BundleInfo> bundles = bundlesResult.Result;if (bundles == null || bundles.Count <= 0){Debug.LogFormat("Please clear cache and remove StreamingAssets,try again.");yield break;}IProgressResult<Progress, bool> downloadResult = this.downloader.DownloadBundles(bundles);downloadResult.Callbackable().OnProgressCallback(p =>{Debug.LogFormat("Downloading {0:F2}KB/{1:F2}KB {2:F3}KB/S", p.GetCompletedSize(UNIT.KB), p.GetTotalSize(UNIT.KB), p.GetSpeed(UNIT.KB));});yield return downloadResult.WaitForDone();if (downloadResult.Exception != null){Debug.LogFormat("Downloads AssetBundle failure.Error:{0}", downloadResult.Exception);yield break;}Debug.Log("OK");if (this.resources != null){//update BundleManager's manifestBundleManager manager = (this.resources as BundleResources).BundleManager as BundleManager;manager.BundleManifest = manifest;}#if UNITY_EDITORUnityEditor.EditorUtility.OpenWithDefaultApp(BundleUtil.GetStorableDirectory());
#endif}finally{this.downloading = false;}}