public GARCEntry(byte[] data)
{
Data = data;
Accessed = true;
if (data.Length == 0)
{
return;
}
if (data[0] != 0x11)
{
return;
}
try
{
using (MemoryStream newMS = new MemoryStream())
{
LZSS.Decompress(new MemoryStream(data), data.Length, newMS);
Data = newMS.ToArray();
}
WasCompressed = true;
}
catch { }
}
public static int garcUnpack(string garcPath, string outPath, bool skipDecompression)
{
if (!File.Exists(garcPath))
{
throw new FileNotFoundException("File does not exist");
}
// Unpack the GARC
GARCFile garc = unpackGARC(garcPath);
const string ext = "bin"; // Default Extension Name
int fileCount = garc.fatb.FileCount;
string format = "D" + Math.Ceiling(Math.Log10(fileCount));
if (outPath == "gametext")
{
format = "D3";
}
FileCountDetermined?.Invoke(null, new FileCountDeterminedEventArgs {
Total = fileCount
});
using (BinaryReader br = new BinaryReader(File.OpenRead(garcPath)))
{
// Create Extraction folder if it does not exist.
if (!Directory.Exists(outPath))
{
Directory.CreateDirectory(outPath);
}
int filectr = 0;
// Pull out all the files
for (int o = 0; o < garc.fato.EntryCount; o++)
{
var Entry = garc.fatb.Entries[o];
// Set Entry File Name
string fileName = o.ToString(format);
#region OutDirectory Determination
string parentFolder = Entry.IsFolder ? Path.Combine(outPath, fileName) : outPath;
if (Entry.IsFolder) // Process Folder
{
Directory.CreateDirectory(parentFolder);
}
#endregion
uint vector = Entry.Vector;
for (int i = 0; i < 32; i++) // For each bit in vector
{
var SubEntry = Entry.SubEntries[i];
if (!SubEntry.Exists)
{
continue;
}
// Seek to Offset
br.BaseStream.Position = SubEntry.Start + garc.DataOffset;
// Check if Compressed
bool compressed = false;
if (!skipDecompression)
{
try { compressed = (byte)br.PeekChar() == 0x11; }
catch { }
}
// Write File
string fileOut = Path.Combine(parentFolder, (Entry.IsFolder ? i.ToString("00") : fileName) + "." + ext);
using (BinaryWriter bw = new BinaryWriter(File.OpenWrite(fileOut)))
{
// Write out the data for the file
br.BaseStream.Position = SubEntry.Start + garc.DataOffset;
bw.Write(br.ReadBytes(SubEntry.Length));
filectr++;
}
if (compressed)
#region Decompression
{
string decout = Path.Combine(Path.GetDirectoryName(fileOut), "dec_" + Path.GetFileName(fileOut));
try
{
LZSS.Decompress(fileOut, decout);
try { File.Delete(fileOut); }
catch (Exception e) { throw new Exception("A compressed file could not be deleted: " + fileOut, e); }
}
catch
{
// File is really not encrypted.
File.Delete(decout);
}
}
#endregion
UnpackProgressed?.Invoke(null, new UnpackProgressedEventArgs {
Current = filectr, Total = fileCount
});
if ((vector >>= 1) == 0)
{
break;
}
}
}
}
return(fileCount);
}
