public static ArchiveHeader Create()
{
return(new ArchiveHeader()
{
Signature = PackSignature,
Version = 1,
Reserved = new byte[ReservedSectionSize],
DataHeader = DataHeader.Create()
});
}
public static DataHeader ReadFrom(BinaryReader binaryReader)
{
var ret = new DataHeader
{
//Unknown1 = binaryReader.ReadUInt64(),
FileSize = binaryReader.ReadUInt64(),
Reserved = binaryReader.ReadUInt64(),
BlockTableOffset = binaryReader.ReadUInt64(),
BlockCount = binaryReader.ReadInt64(),
RootBlockIndex = binaryReader.ReadInt64(),
ReverseSeekGuard = binaryReader.ReadUInt64()
};
return(ret);
}
public static ArchiveHeader ReadFrom(Stream stream)
{
var ret = new ArchiveHeader();
using (var binaryReader = new BinaryReader(stream, Encoding.UTF8, true))
{
ret.Signature = binaryReader.ReadUInt32();
ret.Version = binaryReader.ReadUInt32();
ret.Reserved = binaryReader.ReadBytes(ReservedSectionSize);
ret.DataHeader = DataHeader.ReadFrom(binaryReader);
}
if (ret.Signature != PackSignature)
{
throw new InvalidDataException($"File header value {ret.Signature:X4} does not match expected {PackSignature:X4}");
}
return(ret);
}