/// <summary>
/// Open a file from Encoding Key
/// </summary>
/// <param name="key">The Long Encoding Key</param>
/// <returns>Loaded file</returns>
public Stream OpenEKey(CKey key) // ekey = value of ckey in encoding table
{
Stream stream = default;
if (CreateArgs.Mode == ClientCreateArgs.InstallMode.CASC)
{
stream = ContainerHandler?.OpenEKey(key.AsEKey());
}
if (stream != null || !CreateArgs.Online)
{
return(stream == null ? null : new BLTEStream(this, stream));
}
stream = NetHandle.OpenData(key);
if (stream == null)
{
return(null);
}
var ms = new MemoryStream();
stream.CopyTo(ms);
ms.Position = 0;
return(new BLTEStream(this, ms));
}
/// <summary>
/// Open a file from Encoding Key
/// </summary>
/// <param name="key">The Long Encoding Key</param>
/// <returns>Loaded file</returns>
public Stream?OpenEKey(CKey key) // ekey = value of ckey in encoding table
{
if (ContainerHandler != null)
{
try {
var cascBlte = OpenEKey(key.AsEKey());
if (cascBlte != null)
{
return(cascBlte);
}
} catch (Exception e) {
if (!CreateArgs.Online)
{
throw;
}
Logger.Warn("CASC", $"Unable to open {key.ToHexString()} from CASC. Will try to download. Exception: {e}");
}
}
if (!CreateArgs.Online)
{
return(null);
}
Stream?netMemStream = null;
if (m_cdnIdx !.CDNIndexData.TryGetValue(key, out var cdnIdx))
{
netMemStream = m_cdnIdx.OpenDataFile(cdnIdx);
}
if (netMemStream == null)
{
netMemStream = NetHandle !.OpenData(key);
}
if (netMemStream == null)
{
return(null);
}
return(new BLTEStream(this, netMemStream));
}