public static CDNHandler Initialize(CASCConfig config)
{
var handler = new CDNHandler(config);
for (int i = 0; i < config.Archives.Count; i++)
{
string index = config.Archives[i];
handler.OpenFile(index, i);
}
Logger.WriteLine("CDNHandler: loaded {0} indexes", handler.CDNIndexData.Count);
return(handler);
}
private CASCHandler(CASCConfig config, CDNHandler cdn, BackgroundWorker worker)
{
this.config = config;
this.cdn = cdn;
if (!config.OnlineMode)
{
var idxFiles = GetIdxFiles(this.config.BasePath);
if (idxFiles.Count == 0)
{
throw new FileNotFoundException("idx files missing!");
}
if (worker != null)
{
worker.ReportProgress(0);
}
int idxIndex = 0;
foreach (var idx in idxFiles)
{
using (var fs = new FileStream(idx, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var br = new BinaryReader(fs))
{
int h2Len = br.ReadInt32();
int h2Check = br.ReadInt32();
byte[] h2 = br.ReadBytes(h2Len);
long padPos = (8 + h2Len + 0x0F) & 0xFFFFFFF0;
fs.Position = padPos;
int dataLen = br.ReadInt32();
int dataCheck = br.ReadInt32();
int numBlocks = dataLen / 18;
for (int i = 0; i < numBlocks; i++)
{
IndexEntry info = new IndexEntry();
byte[] key = br.ReadBytes(9);
int indexHigh = br.ReadByte();
int indexLow = br.ReadInt32BE();
info.Index = (int)((byte)(indexHigh << 2) | ((indexLow & 0xC0000000) >> 30));
info.Offset = (indexLow & 0x3FFFFFFF);
info.Size = br.ReadInt32();
// duplicate keys wtf...
//IndexData[key] = info; // use last key
if (!LocalIndexData.ContainsKey(key)) // use first key
{
LocalIndexData.Add(key, info);
}
}
padPos = (dataLen + 0x0FFF) & 0xFFFFF000;
fs.Position = padPos;
fs.Position += numBlocks * 18;
if (fs.Position != fs.Position)
{
throw new Exception("idx file under read");
}
}
if (worker != null)
{
worker.ReportProgress((int)((float)++idxIndex / (float)idxFiles.Count * 100));
}
}
Logger.WriteLine("CASCHandler: loaded {0} indexes", LocalIndexData.Count);
}
if (worker != null)
{
worker.ReportProgress(0);
}
using (var fs = OpenEncodingFile())
using (var br = new BinaryReader(fs))
{
br.ReadBytes(2); // EN
byte b1 = br.ReadByte();
byte b2 = br.ReadByte();
byte b3 = br.ReadByte();
ushort s1 = br.ReadUInt16();
ushort s2 = br.ReadUInt16();
int numEntries = br.ReadInt32BE();
int i1 = br.ReadInt32BE();
byte b4 = br.ReadByte();
int entriesOfs = br.ReadInt32BE();
fs.Position += entriesOfs; // skip strings
fs.Position += numEntries * 32;
for (int i = 0; i < numEntries; ++i)
{
ushort keysCount;
while ((keysCount = br.ReadUInt16()) != 0)
{
int fileSize = br.ReadInt32BE();
byte[] md5 = br.ReadBytes(16);
var entry = new EncodingEntry();
entry.Size = fileSize;
for (int ki = 0; ki < keysCount; ++ki)
{
byte[] key = br.ReadBytes(16);
entry.Keys.Add(key);
}
EncodingData.Add(md5, entry);
}
while (br.PeekChar() == 0)
{
fs.Position++;
}
if (worker != null)
{
worker.ReportProgress((int)((float)fs.Position / (float)fs.Length * 100));
}
}
Logger.WriteLine("CASCHandler: loaded {0} encoding data", EncodingData.Count);
}
if (worker != null)
{
worker.ReportProgress(0);
}
using (var fs = OpenRootFile())
using (var br = new BinaryReader(fs))
{
while (fs.Position < fs.Length)
{
int count = br.ReadInt32();
RootBlock block = new RootBlock();
block.Unk1 = br.ReadUInt32();
block.Flags = (LocaleFlags)br.ReadUInt32();
if (block.Flags == LocaleFlags.None)
{
throw new Exception("block.Flags == LocaleFlags.None");
}
RootEntry[] entries = new RootEntry[count];
for (var i = 0; i < count; ++i)
{
entries[i] = new RootEntry();
entries[i].Block = block;
entries[i].Unk1 = br.ReadInt32();
}
for (var i = 0; i < count; ++i)
{
entries[i].MD5 = br.ReadBytes(16);
ulong hash = br.ReadUInt64();
entries[i].Hash = hash;
if (!RootData.ContainsKey(hash))
{
RootData[hash] = new List <RootEntry>();
RootData[hash].Add(entries[i]);
}
else
{
RootData[hash].Add(entries[i]);
}
}
if (worker != null)
{
worker.ReportProgress((int)((float)fs.Position / (float)fs.Length * 100));
}
}
Logger.WriteLine("CASCHandler: loaded {0} root data", RootData.Count);
}
if (worker != null)
{
worker.ReportProgress(0);
}
}
private static CASCHandler Open(BackgroundWorker worker, CASCConfig config)
{
var cdn = CDNHandler.Initialize(config);
return(new CASCHandler(config, cdn, worker));
}
