void SerializeTitleMemory(IO.EndianStream gpdStream, long tmOffset, IO.IEndianStreamSerializable tm)
{
gpdStream.Seek(tmOffset);
if (gpdStream.IsReading)
{
byte[] uncompressed_data = CompressedStream.DecompressFromStream(gpdStream);
using (var ms = new MemoryStream(uncompressed_data, false))
using (var s = new IO.EndianStream(ms, FileAccess.Read))
{
s.StreamMode = FileAccess.Read;
s.Stream(tm);
}
}
else if (gpdStream.IsWriting)
{
Contract.Assert(false, "TODO");
using (var ms = new MemoryStream())
using (var s = new IO.EndianStream(ms, FileAccess.Write))
{
s.StreamMode = FileAccess.Write;
s.Stream(tm);
ms.Seek(0, SeekOrigin.Begin);
uint stream_adlr;
int stream_size;
CompressedStream.CompressFromStream(gpdStream.Writer, ms, out stream_adlr, out stream_size);
}
}
}
static void Stream(IO.EndianStream s, bool crypt, IO.IEndianStreamSerializable obj,
long size = 0, ulong userKey = 0, Action <IO.EndianStream> streamLeftovers = null)
{
if (!crypt)
{
obj.Serialize(s);
if (s.IsWriting && streamLeftovers != null)
{
streamLeftovers(s);
}
}
else
{
using (var ms = new System.IO.MemoryStream())
using (var crypted = new IO.EndianStream(ms, s.ByteOrder))
{
crypted.StreamMode = s.StreamMode;
if (s.IsReading)
{
var tea = new Security.Cryptography.PhxTEA(s.Reader, crypted.Writer);
tea.InitializeKey(Security.Cryptography.PhxTEA.kKeyGameFile, userKey);
tea.Decrypt(size);
crypted.Seek(0);
}
obj.Serialize(crypted);
if (streamLeftovers != null)
{
streamLeftovers(crypted);
}
if (s.IsWriting)
{
crypted.Seek(0);
var tea = new Security.Cryptography.PhxTEA(crypted.Reader, s.Writer);
tea.InitializeKey(Security.Cryptography.PhxTEA.kKeyGameFile, userKey);
tea.Encrypt(size);
}
}
}
}