public static ETX FromStream(Stream stream)
{
long pos = stream.Position;
var asset_header = new AssetHeader(stream);
stream.Position = pos;
if (asset_header.EngineVersion == AssetUtil.EngineVersion.Version1804Edge)
{
return(new ETX1804(stream));
}
if (((long)asset_header.EngineVersion & 0xFF) == 0x03)
{
return(new ETX1803(stream));
}
throw new InvalidDataException("Unrecognised engine version "
+ AssetUtil.GetEngineVersionName(asset_header.EngineVersion));
}
