public static bool TryReadMetadataForCachedAssetBundle(System.IO.StreamReader reader, out ABMetadata abMeta)
{
abMeta = null;
if (reader == null) return false;
string bundlenameIn = reader.ReadLine();
if (bundlenameIn == null) return false;
string etagIn = reader.ReadLine();
if (etagIn == null) return false;
string crcStringIn = reader.ReadLine();
if (crcStringIn == null) return false;
uint crcIn = 0;
if (!uint.TryParse(crcStringIn, out crcIn)) return false;
string versionStringIn = reader.ReadLine();
if (versionStringIn == null) return false;
int versionInt = 0;
if (!int.TryParse(versionStringIn, out versionInt)) return false;
abMeta = new ABMetadata(etagIn, crcIn, bundlenameIn, versionInt);
return true;
}
public static void WriteMetadataForCachedAssetBundle(ABMetadata abMeta)
{
if (!Directory.Exists(mMetadataDir)) Directory.CreateDirectory(mMetadataDir);
using (System.IO.StreamWriter file = new System.IO.StreamWriter(Path.Combine(mMetadataDir, abMeta.bundlename)))
{
file.WriteLine(abMeta.bundlename);
file.WriteLine(abMeta.etag);
file.WriteLine(abMeta.crc.ToString());
file.WriteLine(abMeta.version.ToString());
}
}
/* File format
bundlename
etag
crc
version
*/
public static bool TryReadMetadataForCachedAssetBundle(string bundlename, out ABMetadata abMeta)
{
abMeta = null;
if (!Directory.Exists(mMetadataDir)) Directory.CreateDirectory(mMetadataDir);
if (!File.Exists(Path.Combine(mMetadataDir, bundlename))) return false;
using (System.IO.StreamReader file = new System.IO.StreamReader(Path.Combine(mMetadataDir, bundlename)))
{
return TryReadMetadataForCachedAssetBundle(file, out abMeta);
}
}