public unsafe EncodingHandler(ClientHandler client)
{
Entries = new Dictionary <CKey, CKeyEntry>(CASCKeyComparer.Instance);
var key = client.ConfigHandler.BuildConfig.Encoding.EncodingKey;
using (Stream stream = client.CreateArgs.Mode > ClientCreateArgs.InstallMode.CASC ? client.OpenCKey(key) : client.OpenEKey(key.AsEKey()))
using (BinaryReader reader = new BinaryReader(stream)) {
Header header = reader.Read <Header>();
if (header.Signature != 0x4E45 || header.CKeySize != 16 || header.EKeySize != 16 ||
header.Version != 1)
{
throw new InvalidDataException($"EncodingHandler: encoding header invalid (magic: {header.Signature:X4}, csize: {header.CKeySize}, esize: {header.EKeySize})");
}
ushort cKeyPageSize = reader.ReadUInt16BE(); // in kilo bytes. e.g. 4 in here → 4096 byte pages (default)
ushort especPageSize = reader.ReadUInt16BE(); // same
int cKeyPageCount = reader.ReadInt32BE();
int especPageCount = reader.ReadInt32BE();
byte unknown = reader.ReadByte();
Debug.Assert(unknown == 0); // asserted by agent
int especBlockSize = reader.ReadInt32BE();
//string[] strings = Encoding.ASCII.GetString(reader.ReadBytes(especBlockSize)).Split(new[] { '\0' }, StringSplitOptions.RemoveEmptyEntries);
stream.Position += especBlockSize;
//PageHeader[] pageHeaders = reader.ReadArray<PageHeader>(cKeyPageCount);
stream.Position += cKeyPageCount * sizeof(PageHeader);
for (int i = 0; i < cKeyPageCount; i++)
{
long pageEnd = stream.Position + cKeyPageSize * 1024;
while (stream.Position <= pageEnd)
{
CKeyEntry entry = reader.Read <CKeyEntry>();
if (entry.EKeyCount == 0)
{
break;
}
stream.Position += (entry.EKeyCount - 1) * header.EKeySize;
if (Entries.ContainsKey(entry.CKey))
{
continue;
}
Entries[entry.CKey] = entry;
}
stream.Position = pageEnd; // just checking
}
}
}
public bool TryGetEncodingEntry(CKey cKey, out CKeyEntry entry)
{
return(Entries.TryGetValue(cKey, out entry));
}
