//加载包清单文件
public IEnumerator LoadingGameAssetBundleInventoryPackageFile()
{
WWW www;
if (UniGameResources.IsLocalDownloadUrlPath)
{
www = WWW.LoadFromCacheOrDownload(FTLibrary.Text.IStringPath.ConnectPath(UniGameResources.downloadUrlPath, UniGameResourcesDefine.GameAssetBundleInventoryPackageFilePath),
UniGameResources.version_GameAssetBundleInventoryPackageFile);
}
else
{
www = new WWW(FTLibrary.Text.IStringPath.ConnectPath(UniGameResources.downloadUrlPath, UniGameResourcesDefine.GameAssetBundleInventoryPackageFilePath));
}
yield return(www);
if (www.error != null)
{
GameRoot.Error(string.Format("资源引导文件下载错误:{0}", www.error));
yield break;
}
byte[] data = null;
try
{
#if UNITY_4_3 || UNITY_4_6
TextAsset textAsset = www.assetBundle.Load(UniGameResourcesDefine.GameAssetBundleInventoryXmlFilePath, typeof(TextAsset)) as TextAsset;
#else
TextAsset textAsset = www.assetBundle.LoadAsset(UniGameResourcesDefine.GameAssetBundleInventoryXmlFilePath, typeof(TextAsset)) as TextAsset;
#endif
data = textAsset.bytes;
UniGameResources.ReleaseOneAssets(textAsset);
www.assetBundle.Unload(false);
//当获取一次资源对象的时候实际是克隆一个对象
//UnityEngine.Object.DestroyObject(www.assetBundle);
www.Dispose();
}
catch (System.Exception ex)
{
GameRoot.Error(string.Format("资源引导文件读取错误:{0}", ex.ToString()));
yield break;
}
FTEncipher encipher = null;
try
{
//首先从BASE64转换回来
data = Convert.FromBase64String(Encoding.ASCII.GetString(data));
//构建解密组件
encipher = UniGameResources.AllocXmlFileEncipher();
#if _SupportDeviceVerify
data = encipher.FileDecrypt(data, true);
#else
data = encipher.FileDecrypt(data);
#endif //_SupportDeviceVerify
encipher.Dispose();
encipher = null;
MemoryStream s = new MemoryStream(data);
XmlDocument doc = new XmlDocument();
doc.Load(s);
s.Close();
UniGameResources.BuildSystemResourcesPackageTable(doc);
}
catch (System.Exception ex)
{
GameRoot.Error(string.Format("资源引导文件解析错误:{0}", ex.ToString()));
if (encipher != null)
{
encipher.Dispose();
encipher = null;
}
yield break;
}
}