public DownloadHandler(BinaryReader stream, BackgroundWorkerEx worker) { worker?.ReportProgress(0, "Loading \"download\"..."); stream.Skip(2); // DL byte b1 = stream.ReadByte(); byte b2 = stream.ReadByte(); byte b3 = stream.ReadByte(); int numFiles = stream.ReadInt32BE(); short numTags = stream.ReadInt16BE(); int numMaskBytes = (numFiles + 7) / 8; for (int i = 0; i < numFiles; i++) { MD5Hash key = stream.Read <MD5Hash>(); //byte[] unk = stream.ReadBytes(0xA); stream.Skip(0xA); //var entry = new DownloadEntry() { Index = i, Unk = unk }; var entry = new DownloadEntry() { Index = i }; DownloadData.Add(key, entry); worker?.ReportProgress((int)((i + 1) / (float)numFiles * 100)); } for (int i = 0; i < numTags; i++) { DownloadTag tag = new DownloadTag(); string name = stream.ReadCString(); tag.Type = stream.ReadInt16BE(); byte[] bits = stream.ReadBytes(numMaskBytes); for (int j = 0; j < numMaskBytes; j++) { bits[j] = (byte)((bits[j] * 0x0202020202 & 0x010884422010) % 1023); } tag.Bits = new BitArray(bits); Tags.Add(name, tag); } }
public DownloadHandler(BinaryReader stream, BackgroundWorkerEx worker) { worker?.ReportProgress(0, "Loading \"download\"..."); stream.Skip(2); // DL byte b1 = stream.ReadByte(); byte b2 = stream.ReadByte(); byte b3 = stream.ReadByte(); int numFiles = stream.ReadInt32BE(); short numTags = stream.ReadInt16BE(); int numMaskBytes = (numFiles + 7) / 8; for (int i = 0; i < numFiles; i++) { MD5Hash key = stream.Read<MD5Hash>(); //byte[] unk = stream.ReadBytes(0xA); stream.Skip(0xA); //var entry = new DownloadEntry() { Index = i, Unk = unk }; var entry = new DownloadEntry() { Index = i }; DownloadData.Add(key, entry); worker?.ReportProgress((int)((i + 1) / (float)numFiles * 100)); } for (int i = 0; i < numTags; i++) { DownloadTag tag = new DownloadTag(); string name = stream.ReadCString(); tag.Type = stream.ReadInt16BE(); byte[] bits = stream.ReadBytes(numMaskBytes); for (int j = 0; j < numMaskBytes; j++) bits[j] = (byte)((bits[j] * 0x0202020202 & 0x010884422010) % 1023); tag.Bits = new BitArray(bits); Tags.Add(name, tag); } }
public OWRootHandler(BinaryReader stream, BackgroundWorkerEx worker, CASCHandler casc) { worker?.ReportProgress(0, "Loading \"root\"..."); string str = Encoding.ASCII.GetString(stream.ReadBytes((int)stream.BaseStream.Length)); string[] array = str.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries); // need to figure out what to do with those apm files for (int i = 1; i < array.Length; i++) { string[] filedata = array[i].Split('|'); if (Path.GetExtension(filedata[2]) == ".apm") { // add apm file for dev purposes ulong fileHash1 = Hasher.ComputeHash(filedata[2]); RootData[fileHash1] = new RootEntry() { MD5 = filedata[0].ToByteArray(), Block = RootBlock.Empty }; CASCFile.FileNames[fileHash1] = filedata[2]; // add files listed in apm file byte[] md5 = filedata[0].ToByteArray(); EncodingEntry enc = casc.Encoding.GetEntry(md5); using (BinaryReader s = new BinaryReader(casc.OpenFile(enc.Key))) { if (s != null) { // still need to figure out complete apm structure // at start of file there's a lot of data that is same in all apm files s.BaseStream.Position = 0xC; uint count = s.ReadUInt32(); s.BaseStream.Position = 0x894; // size of each entry seems to be 0x48 bytes (0x2C bytes unk data; int size; ulong unk; byte[16] md5) for (int j = 0; j < count; j++) { s.BaseStream.Position += 0x2C; // skip unknown int size = s.ReadInt32(); // size (matches size in encoding file) s.BaseStream.Position += 8; // skip unknown byte[] md5_2 = s.ReadBytes(16); EncodingEntry enc2 = casc.Encoding.GetEntry(md5_2); if (enc2 == null) { throw new Exception("enc2 == null"); } string fakeName = Path.GetFileNameWithoutExtension(filedata[2]) + "/" + md5_2.ToHexString(); ulong fileHash = Hasher.ComputeHash(fakeName); RootData[fileHash] = new RootEntry() { MD5 = md5_2, Block = RootBlock.Empty }; CASCFile.FileNames[fileHash] = fakeName; } } } } } int current = 0; Func <string, LocaleFlags> tag2locale = (s) => { LocaleFlags locale; if (Enum.TryParse(s, out locale)) { return(locale); } return(LocaleFlags.All); }; foreach (var entry in casc.Encoding.Entries) { DownloadEntry dl = casc.Download.GetEntry(entry.Value.Key); if (dl != null) { string fakeName = "unknown" + "/" + entry.Key[0].ToString("X2") + "/" + entry.Key.ToHexString(); var locales = dl.Tags.Where(tag => tag.Value.Type == 4).Select(tag => tag2locale(tag.Key)); LocaleFlags locale = LocaleFlags.None; foreach (var loc in locales) { locale |= loc; } ulong fileHash = Hasher.ComputeHash(fakeName); RootData.Add(fileHash, new RootEntry() { MD5 = entry.Key, Block = new RootBlock() { LocaleFlags = locale } }); CASCFile.FileNames[fileHash] = fakeName; } worker?.ReportProgress((int)(++current / (float)casc.Encoding.Count * 100)); } }