private void OnRead(IAsyncResult base_ares)
{
ReadBufferState rb = (ReadBufferState)base_ares.AsyncState;
HttpStreamAsyncResult ares = rb.Ares;
try
{
int nread = base.EndRead(base_ares);
decoder.Write(ares.Buffer, ares.Offset, nread);
nread = decoder.Read(rb.Buffer, rb.Offset, rb.Count);
rb.Offset += nread;
rb.Count -= nread;
if (rb.Count == 0 || !decoder.WantMore || nread == 0)
{
no_more_data = !decoder.WantMore && nread == 0;
ares.Count = rb.InitialCount - rb.Count;
ares.Complete();
return;
}
ares.Offset = 0;
ares.Count = Math.Min(8192, decoder.ChunkLeft + 6);
base.BeginRead(ares.Buffer, ares.Offset, ares.Count, OnRead, rb);
}
catch (Exception e)
{
context.Connection.SendError(e.Message, 400);
ares.Complete(e);
}
}
public override void WriteLocationBundle(string outPath, LocationBundle bundle, List <StreamSection> sections)
{
var chunkManager = new ChunkManager(GameDetector.Game.Undercover);
chunkManager.Read(bundle.File);
var masterStreamPath = Path.Combine(Path.GetDirectoryName(outPath), $"STREAM{bundle.Name}.BUN");
var sectionInfoMap = new Dictionary <uint, StreamChunkInfo>();
var sectionDataMap = new Dictionary <uint, byte[]>();
using (var fs = new FileStream(masterStreamPath, FileMode.Open))
using (var br = new BinaryReader(fs))
{
foreach (var section in bundle.Sections)
{
sectionDataMap[section.Number] = new byte[0];
//var sectionPath = Path.Combine(sectionsPath, $"STREAM{bundle.Name}_{section.Number}.BUN");
//if (File.Exists(sectionPath))
//{
// sectionDataMap[section.Number] = File.ReadAllBytes(sectionPath);
//}
//else
//{
// br.BaseStream.Position = section.Offset;
// sectionDataMap[section.Number] = new byte[section.Size];
// br.Read(sectionDataMap[section.Number], 0, (int)section.Size);
//}
}
}
using (var fs = new FileStream(masterStreamPath, FileMode.Create))
using (var bw = new BinaryWriter(fs))
{
for (var index = 0; index < bundle.Sections.Count; index++)
{
var section = bundle.Sections[index];
sectionInfoMap[section.Number] = new StreamChunkInfo
{
Offset = bw.BaseStream.Position,
Size = (uint)sectionDataMap[section.Number].Length
};
bw.Write(sectionDataMap[section.Number]);
if (index != bundle.Sections.Count - 1)
{
// calculate and write alignment chunk, align by 0x800 bytes
var alignSize = sectionDataMap[section.Number].Length + 8 -
(sectionDataMap[section.Number].Length + 8) % 0x800 + 0x1000;
alignSize -= sectionDataMap[section.Number].Length + 8;
bw.Write(0x00000000);
bw.Write(alignSize);
bw.BaseStream.Position += alignSize;
}
}
}
using (var fs = new FileStream(outPath, FileMode.Create))
{
using (var chunkStream = new ChunkStream(new BinaryWriter(fs)))
{
Chunk previousChunk = null;
foreach (var chunk in chunkManager.Chunks.Where(c => c.Id != 0))
{
if (previousChunk != null && previousChunk.Size > 0)
{
chunkStream.PaddingAlignment(0x10);
}
chunkStream.BeginChunk(chunk.Id);
if (chunk.Id == 0x00034110)
{
// write sections
foreach (var bundleSection in bundle.Sections)
{
var sectionStruct = new UndercoverSection
{
Hash = bundleSection.Hash,
ModelGroupName = bundleSection.Name,
MasterStreamChunkNumber = 0,
StreamChunkNumber = bundleSection.Number,
Size1 = sectionInfoMap[bundleSection.Number].Size,
Size2 = sectionInfoMap[bundleSection.Number].Size,
Size3 = sectionInfoMap[bundleSection.Number].Size,
X = bundleSection.Position.X,
Y = bundleSection.Position.Y,
Z = bundleSection.Position.Z,
MasterStreamChunkOffset = (uint)sectionInfoMap[bundleSection.Number].Offset
};
chunkStream.WriteStruct(sectionStruct);
}
}
else
{
chunkStream.Write(chunk.Data);
}
chunkStream.EndChunk();
previousChunk = chunk;
}
}
}
}