public static void Extract(string FileName, Action <int, int> processedEvent, bool is64 = false)
{
using (FileStream fs = new FileStream(FileName, FileMode.Open))
{
BinaryReader br = new BinaryReader(fs);
BPKG pkg = new BPKG(fs, is64);
for (var i = 0; i < pkg.Files.Length; i++)
{
BPKG_FTE fte = pkg.Files[i];
// Seek to location of binary file data
fs.Position = fte.FileDataOffset;
byte[] packedFileData = br.ReadBytes(fte.FileDataSizeStored);
byte[] unpackedFileData = Unpack(packedFileData, fte.FileDataSizeStored,
fte.FileDataSizeSheared, fte.FileDataSizeUnpacked,
fte.IsEncrypted, fte.IsCompressed);
string extractedPath = $"{FileName}.files\\{fte.FilePath}";
string extractedDir = new FileInfo(extractedPath).DirectoryName;
if (!Directory.Exists(extractedDir))
{
;
}
Directory.CreateDirectory(extractedDir);
if (extractedPath.EndsWith("xml") || extractedPath.EndsWith("x16"))
{
// decode bxml
MemoryStream output = new MemoryStream();
MemoryStream input = new MemoryStream(unpackedFileData);
Convert(input, BXML.DetectType(input), output, BXML_TYPE.BXML_PLAIN);
using (WinFileIO writer = new WinFileIO(output.ToArray()))
{
writer.OpenForWriting(extractedPath);
writer.WriteBlocks((int)output.Length);
}
}
else
{
// extract raw
File.WriteAllBytes(extractedPath, unpackedFileData);
}
processedEvent(i + 1, pkg.Files.Length);
}
}
}
public static void Compress(string Folder, Action <int, int> reportProgress, bool is64 = false, int compression = 1)
{
string[] files = Directory.EnumerateFiles(Folder, "*", SearchOption.AllDirectories).ToArray();
MemoryStream fileTableEntriesStream = new MemoryStream();
MemoryStream fileTableStream = new MemoryStream();
for (var i = 0; i < files.Length; i++)
{
reportProgress(i + 1, files.Length);
string path = files[i].Replace(Folder, "").TrimStart('\\');
byte[] unpackedFileBuffer;
using (FileStream fis = new FileStream(files[i], FileMode.Open, FileAccess.ReadWrite, FileShare.Read, 2 << 15))
using (MemoryStream buf = new MemoryStream())
{
if (path.EndsWith(".xml") || path.EndsWith(".x16"))
{
// encode bxml
Convert(fis, BXML.DetectType(fis), buf, BXML_TYPE.BXML_BINARY);
}
else
{
// compress raw
fis.CopyTo(buf);
}
unpackedFileBuffer = buf.ToArray();
}
BPKG_FTE entry = new BPKG_FTE
{
FilePathLength = path.Length,
FilePath = path,
IsCompressed = true,
IsEncrypted = true,
FileDataOffset = (int)fileTableStream.Position,
FileDataSizeUnpacked = unpackedFileBuffer.Length
};
byte[] packedFileBuffer = Pack(unpackedFileBuffer, out entry.FileDataSizeSheared, out entry.FileDataSizeStored, entry.IsEncrypted, entry.IsCompressed, compression);
fileTableStream.Write(packedFileBuffer, 0, packedFileBuffer.Length);
entry.WriteTo(fileTableEntriesStream, is64);
}
MemoryStream packageStream = new MemoryStream();
BinaryWriter package = new BinaryWriter(packageStream);
package.Write(new[]
{
(byte)'U', (byte)'O', (byte)'S', (byte)'E', (byte)'D', (byte)'A', (byte)'L', (byte)'B'
}); // Signature
package.Write(2); // Version
package.Write(new byte[] { 0, 0, 0, 0, 0 }); // Unknown 1
if (is64)
{
package.Write(fileTableStream.Length);
package.Write((long)files.Length);
}
else
{
package.Write((int)fileTableStream.Length);
package.Write(files.Length);
}
package.Write(true); // Is compressed
package.Write(true); // Is encrypted
package.Write(new byte[62]); // Unknown 2
int FTESizePacked;
byte[] packedFTEBuffer = Pack(fileTableEntriesStream.ToArray(), out _, out FTESizePacked, true, true, compression);
if (is64)
{
package.Write((long)FTESizePacked);
package.Write(fileTableEntriesStream.Length);
}
else
{
package.Write(FTESizePacked);
package.Write((int)fileTableEntriesStream.Length);
}
package.Write(packedFTEBuffer);
int globalOffset = (int)packageStream.Position + (is64 ? 8 : 4);
if (is64)
{
package.Write((long)globalOffset);
}
else
{
package.Write(globalOffset);
}
// Write the packed file data
package.Write(fileTableStream.ToArray());
WinFileIO writer = new WinFileIO(packageStream.ToArray());
writer.OpenForWriting(Folder.Replace(".files", ""));
writer.WriteBlocks((int)packageStream.Length);
writer.Close();
}