public bool Extract(DataArchiveFile file, string destinationDirectory)
{
if (!_loaded)
{
Logger.Error($"Archive is not loaded");
return(false);
}
if (!Directory.Exists(destinationDirectory))
{
Logger.Error($"Directory not found: {destinationDirectory}");
return(false);
}
DirectoryInfo destination = new DirectoryInfo(destinationDirectory);
byte[] fileData = _sacBuffer.GetBytes(file.Offset, file.Size);
string dir = Path.Combine(destination.FullName, file.Path);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
string path = Path.Combine(dir, file.Name);
File.WriteAllBytes(path, fileData);
Logger.Info($"Extract: {file.Id} {file.Path}{file.Name}");
return(true);
}
public bool Load(string path)
{
Reset();
string saiPath = path + ".sai";
if (!File.Exists(saiPath))
{
Logger.Error($".sai file not found: {saiPath}");
Reset();
return(false);
}
_saiFile = new FileInfo(saiPath);
string sacPath = path + ".sac";
if (!File.Exists(sacPath))
{
Logger.Error($".sac file not found: {sacPath}");
Reset();
return(false);
}
_sacFile = new FileInfo(sacPath);
byte[] saiData = File.ReadAllBytes(_saiFile.FullName);
IBuffer saiBuffer = new StreamBuffer(saiData);
saiBuffer.SetPositionStart();
string magic = saiBuffer.ReadCString();
if (BafMagic != magic)
{
Logger.Error($"Invalid Magic File Bytes: {magic}");
Reset();
return(false);
}
int entries = saiBuffer.ReadInt32();
int fileNameSize = saiBuffer.ReadInt32();
int unk1 = saiBuffer.ReadInt32();
byte[] dataAttribs = saiBuffer.ReadBytes(entries * EntrySize);
dataAttribs = DecryptData(Password, dataAttribs);
byte[] dataFileNames = saiBuffer.ReadBytes(fileNameSize);
dataFileNames = DecryptData(Password, dataFileNames);
IBuffer nameBuffer = new StreamBuffer(dataFileNames);
IBuffer attributeBuffer = new StreamBuffer(dataAttribs);
attributeBuffer.SetPositionStart();
for (int i = 0; i < entries; i++)
{
DataArchiveFile item = new DataArchiveFile();
item.Id = attributeBuffer.ReadInt32();
item.Size = attributeBuffer.ReadInt32();
item.Offset = attributeBuffer.ReadInt32();
item.NameOffset = attributeBuffer.ReadInt32();
nameBuffer.Position = item.NameOffset;
string filePath = nameBuffer.ReadCString();
filePath = filePath.Replace(BafDirectorySeparatorChar, Path.DirectorySeparatorChar);
string fileName = Path.GetFileName(filePath);
string directoryName = Path.GetDirectoryName(filePath);
item.Name = fileName;
item.Path = directoryName;
_files.Add(item);
}
byte[] sacData = File.ReadAllBytes(_sacFile.FullName);
_sacBuffer = new StreamBuffer(sacData);
_sacBuffer.SetPositionStart();
_loaded = true;
// decrypted
StreamBuffer decSaiBuffer = new StreamBuffer();
decSaiBuffer.WriteCString(BafMagic);
decSaiBuffer.WriteInt32(entries);
decSaiBuffer.WriteInt32(dataFileNames.Length);
decSaiBuffer.WriteInt32(0);
decSaiBuffer.WriteBytes(dataAttribs);
decSaiBuffer.WriteBytes(dataFileNames);
File.WriteAllBytes(_saiFile.FullName + ".dec", decSaiBuffer.GetAllBytes());
return(true);
}
public bool AddFile(string rootDirectory, string filePath)
{
if (_sacBuffer == null)
{
_sacBuffer = new StreamBuffer();
}
FileInfo fileInfo = new FileInfo(filePath);
if (!fileInfo.Exists)
{
return(false);
}
byte[] fileData = File.ReadAllBytes(fileInfo.FullName);
int offset = _sacBuffer.Position;
_sacBuffer.WriteBytes(fileData);
string bafFilePath = filePath.Replace(rootDirectory, "");
string fileName = Path.GetFileName(bafFilePath);
string directoryName = Path.GetDirectoryName(bafFilePath);
if (directoryName == null)
{
directoryName = "";
bafFilePath = fileName;
}
else
{
directoryName = directoryName.Replace(Path.DirectorySeparatorChar, BafDirectorySeparatorChar);
if (directoryName.StartsWith(BafDirectorySeparatorChar))
{
directoryName = directoryName.Substring(1);
}
if (directoryName == string.Empty)
{
bafFilePath = fileName;
}
else
{
bafFilePath = directoryName + BafDirectorySeparatorChar + fileName;
}
}
DataArchiveFile file = new DataArchiveFile();
file.Id = GetPathIndex(bafFilePath);
file.Size = fileData.Length;
file.Name = fileName;
file.Path = directoryName;
file.Offset = offset;
file.NameOffset = NoNameOffset;
_files.Add(file);
Logger.Info($"Add: {file.Id} {file.Path}{file.Name}");
return(true);
}
