IEnumerator LoadAssetBundleFromLocalPath <T>(
AssetBundleSettings.AssetBundleInfo abInfo,
Action <T> onFinish,
Action <string> onFailed) where T : UnityEngine.Object
{
string path = AssetBundleSettings.localFolderPathSaveAB + "/" + abInfo.assetBundle + abInfo.extension;
if (File.Exists(path))
{
System.Uri url = new System.Uri(path);
WWW _www = new WWW(url.AbsoluteUri);
yield return(new WaitUntil(() => {
return _www.isDone;
}));
if (string.IsNullOrEmpty(_www.error))
{
StartCoroutine(ExtractAssetObjectFromAssetBundle(_www, abInfo, path, onFinish, onFailed));
_www.Dispose();
}
else
{
onFailed("Not Loaded『" + abInfo.assetBundle + "』In LocalPath: " + path);
}
}
else
{
onFailed("Not Found『" + abInfo.assetBundle + "』In LocalPath: " + path);
}
}
IEnumerator ExtractAssetObjectFromAssetBundle <T>(
WWW www,
AssetBundleSettings.AssetBundleInfo abInfo,
string path,
Action <T> onFinish,
Action <string> onFailed) where T : UnityEngine.Object
{
string assetName = System.IO.Path.GetFileNameWithoutExtension(abInfo.assetBundle);
AssetBundle assetBundle = null;
if (AssetBundleSettings.IsEncryptAssetBundle)
{
byte[] decryptedBytes = EncryptDecryptUtil.DecryptBytesToBytes(www.bytes, AssetBundleSettings.PASSWORD_ENCRYPT_DECRYPT_ASSETBUNDLE);
AssetBundleCreateRequest assetBundleCreateRequest = AssetBundle.LoadFromMemoryAsync(decryptedBytes);
yield return(assetBundleCreateRequest);
assetBundle = assetBundleCreateRequest.assetBundle;
}
else
{
assetBundle = www.assetBundle;
}
// Load the object asynchronously
AssetBundleRequest request = assetBundle.LoadAssetAsync(assetName);
// Wait for completion
while (!request.isDone)
{
yield return(null);
}
yield return(new WaitForEndOfFrame());
UnityEngine.Object obj = request.asset;
if (obj != null)
{
if (obj is Texture2D && typeof(T) == typeof(Sprite))
{
Texture2D texture = request.asset as Texture2D;
Sprite spr = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f));
onFinish(spr as T);
}
else
{
onFinish(obj as T);
}
new WaitForEndOfFrame();
assetBundle.Unload(false);
yield break;
}
else
{
onFailed("Can not extract『" + abInfo.assetBundle + "』from LocalPath: " + path);
}
}
public AssetBundleFileDownload(string urlStr, AssetBundleSettings.AssetBundleInfo abFileInfo)
{
_www = null;
_urlStr = urlStr;
if (!_urlStr.EndsWith("/"))
{
_urlStr += "/";
}
_retryCount = 0;
isProcessing = false;
fileInfo = abFileInfo;
}
IEnumerator ExtractSceneNameAndLoadSceneFromAssetBundle(
WWW www,
AssetBundleSettings.AssetBundleInfo abInfo,
string path,
UnityEngine.SceneManagement.LoadSceneMode loadSceneMode,
Action <string> onFinish,
Action <string> onFailed)
{
// Load the object asynchronously
AssetBundle assetBundle = null;
if (AssetBundleSettings.IsEncryptAssetBundle)
{
byte[] decryptedBytes = EncryptDecryptUtil.DecryptBytesToBytes(www.bytes, AssetBundleSettings.PASSWORD_ENCRYPT_DECRYPT_ASSETBUNDLE);
AssetBundleCreateRequest assetBundleCreateRequest = AssetBundle.LoadFromMemoryAsync(decryptedBytes);
yield return(assetBundleCreateRequest);
assetBundle = assetBundleCreateRequest.assetBundle;
}
else
{
assetBundle = www.assetBundle;
}
if (assetBundle != null)
{
string[] scenePath = assetBundle.GetAllScenePaths();
string sceneName = Path.GetFileNameWithoutExtension(scenePath [0]);
var asyncLoad = UnityEngine.SceneManagement.SceneManager.LoadSceneAsync(sceneName, loadSceneMode);
yield return(asyncLoad);
onFinish(sceneName);
assetBundle.Unload(false);
}
else
{
onFailed("Can not extract『" + abInfo.assetBundle + "』from LocalPath: " + path);
}
}
/// <summary>
/// Settings the download AB list. Get total size needed to be downloaded
/// </summary>
IEnumerator SettingDownloadABList(byte[] newAssetBundleAssetVersion)
{
//Load local assetbundle version
string path = AssetBundleSettings.localFolderPathSaveAB + "/" + AssetBundleSettings.ASSETBUNDLE_VERSION_FILE_NAME;
if (File.Exists(path))
{
System.Uri url = new System.Uri(path);
WWW _www = new WWW(url.AbsoluteUri);
yield return(new WaitUntil(() => {
return _www.isDone;
}));
AssetBundleSettings.AssetBundleTargetDB _oldVersionDB = null;
if (AssetBundleSettings.IsEncryptAssetBundle)
{
byte[] decryptedBytes = EncryptDecryptUtil.DecryptBytesToBytes(_www.bytes, AssetBundleSettings.PASSWORD_ENCRYPT_DECRYPT_ASSETBUNDLE);
_oldVersionDB = _objectPacker.Unpack <AssetBundleSettings.AssetBundleTargetDB> (decryptedBytes);
}
else
{
_oldVersionDB = _objectPacker.Unpack <AssetBundleSettings.AssetBundleTargetDB> (_www.bytes);
}
_downloadList = new List <AssetBundleSettings.AssetBundleInfo> ();
foreach (var assetBundleInfo in _assetBundleVersionDB.lstAssetBundleInfo)
{
AssetBundleSettings.AssetBundleInfo oldABInfo = _oldVersionDB.lstAssetBundleInfo.Where(_ => _.assetBundle == assetBundleInfo.assetBundle).FirstOrDefault();
if (oldABInfo == null)
{
_downloadList.Add(assetBundleInfo);
}
else
{
if (assetBundleInfo.version != oldABInfo.version)
{
_downloadList.Add(assetBundleInfo);
}
else if (assetBundleInfo.hashAssetBundle != oldABInfo.hashAssetBundle)
{
_downloadList.Add(assetBundleInfo);
}
}
}
}
else
{
_downloadList = new List <AssetBundleSettings.AssetBundleInfo> (_assetBundleVersionDB.lstAssetBundleInfo);
}
if (!Directory.Exists(AssetBundleSettings.localFolderPathSaveAB))
{
Directory.CreateDirectory(AssetBundleSettings.localFolderPathSaveAB);
}
#if UNITY_IPHONE
//No backup to cloud
UnityEngine.iOS.Device.SetNoBackupFlag(path);
#endif
yield return(null);
File.WriteAllBytes(path, newAssetBundleAssetVersion);
totalSize = 0;
foreach (var item in _downloadList)
{
totalSize += item.size;
}
yield return(null);
}
/// <summary>
/// Loads the scene async from AssetBundle
/// </summary>
/// <returns>The scene async.</returns>
/// <param name="assetBundle">AssetBundle file.</param>
/// <param name="loadSceneMode">Load scene mode.</param>
/// <param name="onFinish">onFinish callback. Return name of scene has just loaded</param>
/// <param name="onFailed">onFailed callback Return error reason.</param>
public IEnumerator LoadSceneAsync(
string assetBundle,
UnityEngine.SceneManagement.LoadSceneMode loadSceneMode,
Action <string> onFinish, Action <string> onFailed)
{
bool isSuccess = false;
bool isProcessFinish = false;
//Load AssetBundle version first
if (_assetBundleVersionDB == null)
{
StartCoroutine(GetAssetBundleVersionFile((fileUrl) => {
Debug.Log("Download version file OK " + fileUrl);
isSuccess = true;
isProcessFinish = true;
}, (downloadPath, error) => {
isProcessFinish = true;
Debug.LogError("Can not download version file from: " + downloadPath);
onFailed(error);
}));
yield return(new WaitUntil(() => {
return isProcessFinish;
}));
if (!isSuccess)
{
yield break;
}
}
//Check AssetBundle existed in version database or not?
AssetBundleSettings.AssetBundleInfo abInfo = _assetBundleVersionDB.lstAssetBundleInfo.Where(_ => _.assetBundle == assetBundle).FirstOrDefault();
if (abInfo == null)
{
Debug.Log("Not found『" + assetBundle + "』in AssetBundles Version Database");
onFailed("Not found『" + assetBundle + "』in AssetBundles Version Database");
yield break;
}
//Load from local
string path = AssetBundleSettings.localFolderPathSaveAB + "/" + abInfo.assetBundle + abInfo.extension;
if (File.Exists(path))
{
System.Uri url = new System.Uri(path);
WWW _www = new WWW(url.AbsoluteUri);
yield return(new WaitUntil(() => {
return _www.isDone;
}));
if (string.IsNullOrEmpty(_www.error))
{
isSuccess = false;
isProcessFinish = false;
StartCoroutine(ExtractSceneNameAndLoadSceneFromAssetBundle(_www, abInfo, path, loadSceneMode,
(sceneName) => {
isSuccess = true;
isProcessFinish = true;
onFinish(sceneName);
}, (err) => {
isSuccess = false;
isProcessFinish = true;
}));
_www.Dispose();
yield return(new WaitUntil(() => {
return isProcessFinish;
}));
if (isSuccess)
{
yield break;
}
}
else
{
onFailed("Not Found『" + abInfo.assetBundle + "』In LocalPath: " + path);
yield break;
}
}
else
{
Debug.Log("NOT FOUND " + assetBundle);
}
//Can not be loaded from local, so need download from server
AssetBundleFileDownload dlObj = new AssetBundleFileDownload(AssetBundleSettings.GetAssetBundleServerURL(), abInfo);
DownloadFile(true, dlObj,
(www) => {
string pathLocal = AssetBundleSettings.localFolderPathSaveAB + "/" + abInfo.assetBundle + abInfo.extension;
StartCoroutine(ExtractSceneNameAndLoadSceneFromAssetBundle(www, abInfo, pathLocal, loadSceneMode, onFinish, onFailed));
dlObj.Dispose();
}, (errMsg) => {
onFailed(errMsg);
});
}
/// <summary>
/// Loads asset object from AssetBundles
/// </summary>
/// <returns>The asset async.</returns>
/// <param name="assetBundle">AssetBundle file.</param>
/// <param name="onFinish">onFinish callback. Return object was loaded.</param>
/// <param name="onFailed">onFailed callback. Return error reason.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public IEnumerator LoadAssetAsync <T>(
string assetBundle,
Action <T> onFinish,
Action <string> onFailed) where T : UnityEngine.Object
{
if (_assetBundleVersionDB == null)
{
//Load AssetBundle version first
bool isSuccess = false;
bool isDownloadVersionFileFinish = false;
StartCoroutine(GetAssetBundleVersionFile((fileUrl) => {
Debug.Log("Download version file OK " + fileUrl);
isSuccess = true;
isDownloadVersionFileFinish = true;
}, (downloadPath, error) => {
isDownloadVersionFileFinish = true;
Debug.LogError("Can not download version file from: " + downloadPath);
onFailed(error);
}));
yield return(new WaitUntil(() => {
return isDownloadVersionFileFinish;
}));
if (!isSuccess)
{
yield break;
}
}
//Check AssetBundle existed in version database or not?
AssetBundleSettings.AssetBundleInfo abInfo = _assetBundleVersionDB.lstAssetBundleInfo.Where(_ => _.assetBundle == assetBundle).FirstOrDefault();
if (abInfo == null)
{
Debug.Log("Not found『" + assetBundle + "』in AssetBundles Version Database");
onFailed("Not found『" + assetBundle + "』in AssetBundles Version Database");
yield break;
}
//Load from local
bool isFinish = false;
bool isLoaded = false;
StartCoroutine(LoadAssetBundleFromLocalPath <T>(abInfo,
(obj) => {
isFinish = true;
isLoaded = true;
onFinish(obj);
}, (err) => {
isFinish = true;
isLoaded = false;
onFailed(err);
}));
yield return(new WaitUntil(() => {
return isFinish;
}));
if (isLoaded)
{
yield break;
}
//Can not be loaded from local, so need download from server
AssetBundleFileDownload dlObj = new AssetBundleFileDownload(AssetBundleSettings.GetAssetBundleServerURL(), abInfo);
DownloadFile(true, dlObj,
(www) => {
string path = AssetBundleSettings.localFolderPathSaveAB + "/" + abInfo.assetBundle + abInfo.extension;
StartCoroutine(ExtractAssetObjectFromAssetBundle(www, abInfo, path, onFinish, onFailed));
dlObj.Dispose();
}, (errMsg) => {
onFailed(errMsg);
});
}
