/// <summary>
/// Gets the asset bundle version file.
/// </summary>
/// <returns>The asset bundle version file.</returns>
/// <param name="success">Success.</param>
/// <param name="failed">Failed.</param>
IEnumerator GetAssetBundleVersionFile(Action <string> success, Action <string, string> failed)
{
string abVersionFileUrl = AssetBundleSettings.GetAssetBundleServerURL() + "/" + AssetBundleSettings.ASSETBUNDLE_VERSION_FILE_NAME;
WWW _www = new WWW(abVersionFileUrl);
yield return(_www);
if (string.IsNullOrEmpty(_www.error))
{
if (AssetBundleSettings.IsEncryptAssetBundle)
{
byte[] decryptedBytes = EncryptDecryptUtil.DecryptBytesToBytes(_www.bytes, AssetBundleSettings.PASSWORD_ENCRYPT_DECRYPT_ASSETBUNDLE);
_assetBundleVersionDB = _objectPacker.Unpack <AssetBundleSettings.AssetBundleTargetDB> (decryptedBytes);
}
else
{
_assetBundleVersionDB = _objectPacker.Unpack <AssetBundleSettings.AssetBundleTargetDB> (_www.bytes);
}
yield return(null);
yield return(StartCoroutine(SettingDownloadABList(_www.bytes)));
if (success != null)
{
success(abVersionFileUrl);
}
}
else
{
if (failed != null)
{
failed(abVersionFileUrl, _www.error);
}
}
yield return(null);
}
/// <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);
}
