public static void Unpack(string tocFilePath, string outDirectoryPath)
{
abort = false;
overwriteFiles = false;
SetProgressBarValue(0);
progress = 0;
byte[] rawToc = File.ReadAllBytes(tocFilePath);
CryptTools.TocDecryptEncrypt(rawToc);
Toc toc = new Toc(Path.GetFileNameWithoutExtension(tocFilePath), rawToc);
packageSize = GetPackageSize(toc, 0);
Unpack(toc, 0, "", Path.GetDirectoryName(tocFilePath), outDirectoryPath);
if (abort)
{
SetProgressBarValue(0);
SetStatusText("Aborted!");
}
else
{
SetStatusText("Finished!");
}
}
public static void Pack(string inDirectoryPath, string outDirectoryPath)
{
abort = false;
overwriteFiles = false;
SetProgressBarValue(0);
progress = 0;
DirectoryInfo inDirectory = new DirectoryInfo(inDirectoryPath);
inDirectoryPathLength = inDirectory.FullName.Length;
packageSize = GetDirectorySize(inDirectory);
long entryCount = GetDirectoryItemCount(inDirectory) + 1;
Toc toc = new Toc(inDirectory.Name, entryCount);
Pack(toc, 0, 1, inDirectory, outDirectoryPath);
if (!abort)
{
byte[] rawToc = toc.CreateRawToc();
CryptTools.TocDecryptEncrypt(rawToc);
SafeFileWrite(JoinPaths(outDirectoryPath, toc.name + ".toc"), rawToc);
}
if (abort)
{
SetProgressBarValue(0);
SetStatusText("Aborted!");
}
else
{
SetStatusText("Finished!");
}
}
public static uint Pack(Toc toc, uint tocIndex, uint tocOffset, DirectoryInfo currentInDirectory, string outDirectoryPath)
{
if (abort)
{
return(0);
}
DirectoryInfo[] subDirectories = currentInDirectory.GetDirectories();
FileInfo[] files = currentInDirectory.GetFiles();
uint itemCount = (uint)(subDirectories.Length + files.Length);
tocEntryStruct tocEntry = new tocEntryStruct()
{
isFolder = true,
length = itemCount,
offset = tocOffset
};
if (tocIndex == 0)
{
tocEntry.name = "";
tocEntry.nameChecksum = 0;
tocEntry.container = uint.MaxValue;
}
else
{
tocEntry.name = currentInDirectory.Name;
tocEntry.nameChecksum = CryptTools.GetNameChecksum(currentInDirectory.Name);
}
toc.entries[tocIndex] = tocEntry;
uint i = 0;
foreach (DirectoryInfo subDirectory in subDirectories)
{
itemCount += Pack(toc, tocOffset + i, tocOffset + itemCount, subDirectory, outDirectoryPath);
toc.entries[tocOffset + i].container = tocIndex;
i++;
}
foreach (FileInfo file in files)
{
SetStatusText(file.FullName.Substring(inDirectoryPathLength, file.FullName.Length - inDirectoryPathLength));
string outFilePath = JoinPaths(outDirectoryPath, string.Format("{0}.M{1:00}", toc.name, toc.containerCount - 1));
if (toc.containerCount == 0 || (new FileInfo(outFilePath).Length) + file.Length > uint.MaxValue)
{
toc.containerCount++;
outFilePath = JoinPaths(outDirectoryPath, string.Format("{0}.M{1:00}", toc.name, toc.containerCount - 1));
SafeFileWrite(outFilePath, new byte[0]);
if (abort)
{
return(0);
}
}
byte[] fileBytes = File.ReadAllBytes(file.FullName);
string inFilePath = file.FullName;
toc.entries[tocOffset + i] = new tocEntryStruct()
{
isFolder = false,
length = (uint)file.Length,
name = Path.GetFileName(inFilePath),
nameChecksum = CryptTools.GetNameChecksum(Path.GetFileName(inFilePath)),
offset = (uint)(new FileInfo(outFilePath).Length),
container = toc.containerCount - 1
};
AppendFile(outFilePath, fileBytes);
progress += file.Length;
SetProgressBarValue((int)((100 * progress) / packageSize));
i++;
}
return(itemCount);
}
