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 byte[] Save()
{
if (!WasCompressed)
{
return(Data);
}
byte[] data;
try
{
using MemoryStream newMS = new MemoryStream();
LZSS.Compress(new MemoryStream(Data), Data.Length, newMS, original: true);
data = newMS.ToArray();
}
catch { data = Array.Empty <byte>(); }
return(data);
}
public static int garcPackMS(string folderPath, string garcPath, int version, int bytesPadding)
{
// Check to see if our input folder exists.
if (!new DirectoryInfo(folderPath).Exists)
{
throw new DirectoryNotFoundException("Folder does not exist");
}
if (version != VER_4 && version != VER_6)
{
throw new FormatException("Invalid GARC Version: 0x" + version.ToString("X4"));
}
// Okay some basic proofing is done. Proceed.
int filectr = 0;
// Get the paths of the files to pack up.
string[] files = Directory.GetFiles(folderPath);
string[] folders = Directory.GetDirectories(folderPath, "*.*", SearchOption.TopDirectoryOnly);
string[] packOrder = new string[files.Length + folders.Length];
#region Reassemble a list of filenames.
try
{
foreach (string f in files)
{
string fn = Path.GetFileNameWithoutExtension(f);
int compressed = fn.IndexOf("dec_", StringComparison.Ordinal);
int fileNumber = compressed < 0
? int.Parse(fn)
: int.Parse(fn.Substring(compressed + 4));
packOrder[fileNumber] = f;
filectr++;
}
foreach (string f in folders)
{
packOrder[int.Parse(new DirectoryInfo(f).Name)] = f;
filectr += Directory.GetFiles(f).Length;
}
}
catch (Exception e) { throw new Exception("Invalid packing filenames", e); }
FileCountDetermined?.Invoke(null, new FileCountDeterminedEventArgs {
Total = filectr
});
#endregion
// Set Up the GARC template.
GARCFile garc = new GARCFile
{
ContentPadToNearest = 4,
fato =
{
// Magic = new[] { 'O', 'T', 'A', 'F' },
Entries = new FATO_Entry[packOrder.Length],
EntryCount = (ushort)packOrder.Length,
HeaderSize = 0xC + (packOrder.Length * 4),
Padding = 0xFFFF
},
fatb =
{
// Magic = new[] { 'B', 'T', 'A', 'F' },
Entries = new FATB_Entry[packOrder.Length],
FileCount = filectr
}
};
if (version == VER_6)
{
// Some files have larger bytes-to-pad values (ex/ 0x80 for a109)
// Hopefully there's no problems defining this with a constant number.
garc.ContentPadToNearest = 4;
}
#region Start Reassembling the FAT* tables.
{
int op = 0;
int od = 0;
int v = 0;
int index = 0;
for (int i = 0; i < garc.fatb.Entries.Length; i++)
{
garc.fato.Entries[i].Offset = op; // FATO offset
garc.fatb.Entries[i].SubEntries = new FATB_SubEntry[32];
op += 4; // Vector
if (!Directory.Exists(packOrder[i])) // is not folder
{
garc.fatb.Entries[i].IsFolder = false;
garc.fatb.Entries[i].SubEntries[0].Exists = true;
string fn = Path.GetFileNameWithoutExtension(packOrder[i]);
int compressed = fn.IndexOf("dec_", StringComparison.Ordinal);
int fileNumber = compressed < 0
? int.Parse(fn)
: int.Parse(fn.Substring(compressed + 4));
if (compressed >= 0)
{
string old = packOrder[i];
LZSS.Compress(packOrder[i], packOrder[i] = Path.Combine(Path.GetDirectoryName(packOrder[i]), fileNumber.ToString()));
File.Delete(old);
}
// Assemble Vector
v = 1;
// Assemble Entry
FileInfo fi = new FileInfo(packOrder[i]);
int actualLength = (int)(fi.Length % 4 == 0 ? fi.Length : fi.Length + 4 - (fi.Length % 4));
garc.fatb.Entries[i].SubEntries[0].Start = od;
garc.fatb.Entries[i].SubEntries[0].End = actualLength + garc.fatb.Entries[i].SubEntries[0].Start;
garc.fatb.Entries[i].SubEntries[0].Length = (int)fi.Length;
od += actualLength;
op += 12;
// Step
PackProgressed?.Invoke(null, new PackProgressedEventArgs {
Current = index++, Total = filectr, CurrentFile = packOrder[i]
});
}
else
{
garc.fatb.Entries[i].IsFolder = true;
string[] subFiles = Directory.GetFiles(packOrder[i]);
foreach (string f in subFiles)
{
string s = f;
string fn = Path.GetFileNameWithoutExtension(f);
int compressed = fn.IndexOf("dec_", StringComparison.Ordinal);
int fileNumber = compressed < 0
? int.Parse(fn)
: int.Parse(fn.Substring(compressed + 4));
garc.fatb.Entries[i].SubEntries[fileNumber].Exists = true;
if (compressed >= 0)
{
LZSS.Compress(f, s = Path.Combine(Path.GetDirectoryName(f), fileNumber.ToString()));
File.Delete(f);
}
// Assemble Vector
v |= 1 << fileNumber;
// Assemble Entry
FileInfo fi = new FileInfo(s);
int actualLength = (int)(fi.Length % 4 == 0 ? fi.Length : fi.Length + 4 - (fi.Length % 4));
garc.fatb.Entries[i].SubEntries[fileNumber].Start = od;
garc.fatb.Entries[i].SubEntries[fileNumber].End = actualLength + garc.fatb.Entries[i].SubEntries[fileNumber].Start;
garc.fatb.Entries[i].SubEntries[fileNumber].Length = (int)fi.Length;
od += actualLength;
op += 12;
// Step
PackProgressed?.Invoke(null, new PackProgressedEventArgs {
Current = index++, Total = filectr, CurrentFile = packOrder[i]
});
}
}
garc.fatb.Entries[i].Vector = (uint)v;
}
garc.fatb.HeaderSize = 0xC + op;
}
#endregion
// Delete the old garc if it exists, then begin writing our new one
try { File.Delete(garcPath); }
catch { }
// Set up the Header Info
using (var newGARC = new FileStream(garcPath, FileMode.Create))
using (BinaryWriter gw = new BinaryWriter(newGARC))
{
#region Write GARC Headers
// Write GARC
gw.Write((uint)0x47415243); // GARC
gw.Write((uint)(version == VER_6 ? 0x24 : 0x1C)); // Header Length
gw.Write((ushort)0xFEFF); // Endianness BOM
gw.Write((ushort)version); // Version
gw.Write((uint)0x00000004); // Section Count (4)
gw.Write((uint)0x00000000); // Data Offset (temp)
gw.Write((uint)0x00000000); // File Length (temp)
gw.Write((uint)0x00000000); // Largest File Size (temp)
if (version == VER_6)
{
gw.Write((uint)0x0);
gw.Write((uint)0x0);
}
// Write FATO
gw.Write((uint)0x4641544F); // FATO
gw.Write(garc.fato.HeaderSize); // Header Size
gw.Write(garc.fato.EntryCount); // Entry Count
gw.Write(garc.fato.Padding); // Padding
for (int i = 0; i < garc.fato.Entries.Length; i++)
{
gw.Write((uint)garc.fato.Entries[i].Offset);
}
// Write FATB
gw.Write((uint)0x46415442); // FATB
gw.Write(garc.fatb.HeaderSize); // Header Size
gw.Write(garc.fatb.FileCount); // File Count
foreach (var e in garc.fatb.Entries)
{
gw.Write(e.Vector);
foreach (var s in e.SubEntries.Where(s => s.Exists))
{
gw.Write((uint)s.Start); gw.Write((uint)s.End); gw.Write((uint)s.Length);
}
}
// Write FIMB
gw.Write((uint)0x46494D42); // FIMB
gw.Write((uint)0x0000000C); // Header Length
var dataLen = gw.BaseStream.Position;
gw.Write((uint)0); // Data Length - TEMP
gw.Seek(0x10, SeekOrigin.Begin); // Goto the start of the un-set 0 data we set earlier and set it.
var hdrLen = gw.BaseStream.Position;
gw.Write((uint)0); // Write Data Offset - TEMP
gw.Write((uint)0); // Write total GARC Length - TEMP
// Write Handling information
if (version == VER_4)
{
gw.Write(garc.ContentLargestUnpadded); // Write Largest File stat
}
else if (version == VER_6)
{
gw.Write(garc.ContentLargestPadded); // Write Largest With Padding
gw.Write(garc.ContentLargestUnpadded); // Write Largest Without Padding
gw.Write(garc.ContentPadToNearest);
}
newGARC.Seek(0, SeekOrigin.End); // Goto the end so we can copy the filedata after the GARC headers.
#endregion
#region Write Files
var ghLength = gw.BaseStream.Length;
long largestSize = 0; // Required memory to allocate to handle the largest file
long largestPadded = 0; // Required memory to allocate to handle the largest PADDED file (Ver6 only)
foreach (string e in packOrder)
{
string[] fa = Directory.Exists(e) ? Directory.GetFiles(e) : new[] { e };
foreach (string f in fa)
{
// Update largest file length if necessary
long len = new FileInfo(f).Length;
int padding = (int)(len % bytesPadding);
if (padding != 0)
{
padding = bytesPadding - padding;
}
bool largest = len > largestSize;
if (largest)
{
largestSize = len;
largestPadded = len + padding;
}
// Write to FIMB
using (var x = File.OpenRead(f))
x.CopyTo(newGARC);
// While length is not divisible by 4, pad with FF (unused byte)
while (padding-- > 0)
{
gw.Write((byte)0xFF);
}
}
}
garc.ContentLargestUnpadded = (uint)largestSize;
garc.ContentLargestPadded = (uint)largestPadded;
var gdLength = gw.BaseStream.Length - ghLength;
#endregion
gw.Seek((int)dataLen, SeekOrigin.Begin);
gw.Write((uint)gdLength); // Data Length
gw.Seek((int)hdrLen, SeekOrigin.Begin);
gw.Write((uint)ghLength); // Write Data Offset
gw.Write((uint)gw.BaseStream.Length); // Write total GARC Length
// Write Handling information
if (version == VER_4)
{
gw.Write(garc.ContentLargestUnpadded); // Write Largest File stat
}
else if (version == VER_6)
{
gw.Write(garc.ContentLargestPadded); // Write Largest With Padding
gw.Write(garc.ContentLargestUnpadded); // Write Largest Without Padding
gw.Write(garc.ContentPadToNearest);
}
return(filectr);
}
}
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);
}
