internal static GARCFile unpackGARC(string path)
{
GARCFile garc = new GARCFile();
using (BinaryReader br = new BinaryReader(File.OpenRead(path)))
{
// GARC Header
garc.Magic = br.ReadChars(4);
garc.HeaderSize = br.ReadUInt32();
garc.Endianess = br.ReadUInt16();
garc.ChunkCount = br.ReadUInt16();
garc.FileSize = br.ReadUInt32();
garc.DataOffset = br.ReadUInt32();
garc.FileSize = br.ReadUInt32();
garc.LastSize = br.ReadUInt32();
// FATO (File Allocation Table Offsets)
garc.fato.Magic = br.ReadChars(4);
garc.fato.HeaderSize = br.ReadInt32();
garc.fato.EntryCount = br.ReadUInt16();
garc.fato.Padding = br.ReadUInt16();
garc.fato.Entries = new FATO_Entry[garc.fato.EntryCount];
for (int i = 0; i < garc.fato.EntryCount; i++)
garc.fato.Entries[i].Offset = br.ReadInt32();
// FATB (File Allocation Table Bits)
garc.fatb.Magic = br.ReadChars(4);
garc.fatb.HeaderSize = br.ReadInt32();
garc.fatb.FileCount = br.ReadInt32();
garc.fatb.Entries = new FATB_Entry[garc.fato.EntryCount];
for (int i = 0; i < garc.fato.EntryCount; i++) // Loop through all FATO entries
{
garc.fatb.Entries[i].Vector = br.ReadUInt32();
garc.fatb.Entries[i].SubEntries = new FATB_SubEntry[32];
uint bitvector = garc.fatb.Entries[i].Vector;
int ctr = 0;
for (int b = 0; b < 32; b++)
{
garc.fatb.Entries[i].SubEntries[b].Exists = (bitvector & 1) == 1;
bitvector >>= 1;
if (!garc.fatb.Entries[i].SubEntries[b].Exists) continue;
garc.fatb.Entries[i].SubEntries[b].Start = br.ReadInt32();
garc.fatb.Entries[i].SubEntries[b].End = br.ReadInt32();
garc.fatb.Entries[i].SubEntries[b].Length = br.ReadInt32();
ctr++;
}
garc.fatb.Entries[i].IsFolder = ctr > 1;
}
// FIMB (File IMage Bytes)
garc.fimg.Magic = br.ReadChars(4);
garc.fimg.HeaderSize = br.ReadInt32();
garc.fimg.DataSize = br.ReadInt32();
// Files data
// Oftentimes too large to toss into a byte array. Fetch as needed with a BinaryReader.
}
return garc;
}
public MemGARC(byte[] data)
{
Data = data;
garc = unpackGARC(data);
}
internal static bool garcPackMS(string folderPath, string garcPath, ProgressBar pBar1 = null, Label label = null, bool supress = false)
{
// Check to see if our input folder exists.
if (!new DirectoryInfo(folderPath).Exists) { Util.Error("Folder does not exist."); return false; }
// 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)
? Int32.Parse(fn)
: Int32.Parse(fn.Substring(compressed + 4));
packOrder[fileNumber] = f;
filectr++;
}
foreach (string f in folders)
{
packOrder[Int32.Parse(new DirectoryInfo(f).Name)] = f;
filectr += Directory.GetFiles(f).Length;
}
}
catch (Exception e) { Util.Error("Invalid packing filenames", e.ToString()); return false; }
#endregion
#region Initialize Progress Update Display
if (pBar1 == null) pBar1 = new ProgressBar();
if (pBar1.InvokeRequired)
pBar1.Invoke((MethodInvoker)delegate { pBar1.Minimum = 0; pBar1.Step = 1; pBar1.Value = 0; pBar1.Maximum = filectr; });
else { pBar1.Minimum = 0; pBar1.Step = 1; pBar1.Value = 0; pBar1.Maximum = filectr; }
if (label == null) label = new Label();
if (label.InvokeRequired)
label.Invoke((MethodInvoker)delegate { label.Visible = true; });
#endregion
// Set Up the GARC template.
GARCFile garc = new GARCFile
{
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
}
};
#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)
? Int32.Parse(fn)
: Int32.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;
#region Step
if (pBar1.InvokeRequired)
pBar1.Invoke((MethodInvoker)(() => pBar1.PerformStep()));
else { pBar1.PerformStep(); }
string update = String.Format("{0:P2} - {1}/{2} - {3}", ((float)index) / ((float)filectr), index, filectr, packOrder[i]);
index++;
if (label.InvokeRequired)
label.Invoke((MethodInvoker)delegate { label.Text = update; });
else { label.Text = update; }
#endregion
}
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)
? Int32.Parse(fn)
: Int32.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;
#region Step
if (pBar1.InvokeRequired)
pBar1.Invoke((MethodInvoker)(() => pBar1.PerformStep()));
else { pBar1.PerformStep(); }
string update = String.Format("{0:P2} - {1}/{2} - {3}", ((float)index) / ((float)filectr), index, filectr, f);
index++;
if (label.InvokeRequired)
label.Invoke((MethodInvoker)delegate { label.Text = update; });
else { label.Text = update; }
#endregion
}
}
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 (MemoryStream newGARC = new MemoryStream())
using (MemoryStream GARCdata = new MemoryStream())
using (BinaryWriter gw = new BinaryWriter(newGARC))
{
#region Write GARC Headers
// Write GARC
gw.Write((uint)0x47415243); // GARC
gw.Write((uint)0x0000001C); // Header Length
gw.Write((ushort)0xFEFF); // Endianness BOM
gw.Write((ushort)0x0400); // Const (4)
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)
// 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); }
}
#endregion
#region Write Files
long largestSize = 0; // Required memory to allocate to handle the largest file
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;
if (len > largestSize) largestSize = len;
// Write to FIMB
using (var input = File.OpenRead(f))
input.CopyTo(GARCdata);
// While length is not divisible by 4, pad with FF (unused byte)
while (GARCdata.Length % 4 > 0) GARCdata.WriteByte(0xFF);
}
}
#endregion
gw.Write((uint)0x46494D42); // FIMB
gw.Write((uint)0x0000000C); // Header Length
gw.Write((uint)GARCdata.Length); // Data Length
gw.Seek(0x10, SeekOrigin.Begin); // Goto the start of the un-set 0 data we set earlier and set it.
gw.Write((uint)newGARC.Length); // Write Data Offset
gw.Write((uint)(newGARC.Length + GARCdata.Length)); // Write total GARC Length
gw.Write((uint)largestSize); // Write Largest File stat (?)
newGARC.Seek(0, SeekOrigin.End); // Goto the end so we can copy the filedata after the GARC headers.
// Write in the data
GARCdata.Position = 0;
GARCdata.CopyTo(newGARC); // Copy the data.
// New File is ready to be saved (memstream newGARC)
try
{
File.WriteAllBytes(garcPath, newGARC.ToArray());
if (label.InvokeRequired)
label.Invoke((MethodInvoker)delegate { label.Visible = false; });
else { label.Visible = false; }
// We're done.
SystemSounds.Exclamation.Play();
if (!supress) Util.Alert("Pack Successful!", filectr + " files packed to the GARC!");
return true;
}
catch (Exception e) { Util.Error("Packing Failed!", e.ToString()); return false; }
}
}
private static GARCFile unpackGARC(Stream stream)
{
GARCFile garc = new GARCFile();
using (BinaryReader br = new BinaryReader(stream))
{
// GARC Header
garc.Magic = br.ReadChars(4);
garc.HeaderSize = br.ReadUInt32();
garc.Endianess = br.ReadUInt16();
garc.Version = br.ReadUInt16();
garc.ChunkCount = br.ReadUInt32();
garc.DataOffset = br.ReadUInt32();
garc.FileSize = br.ReadUInt32();
if (garc.Version == VER_4)
{
garc.ContentLargestUnpadded = br.ReadUInt32();
}
else if (garc.Version == VER_6)
{
garc.ContentLargestPadded = br.ReadUInt32();
garc.ContentLargestUnpadded = br.ReadUInt32();
garc.ContentPadToNearest = br.ReadUInt32();
}
else
throw new FormatException("Invalid GARC Version: 0x" + garc.Version.ToString("X4"));
if (garc.ChunkCount != 4)
throw new FormatException("Invalid GARC Chunk Count: " + garc.ChunkCount);
// FATO (File Allocation Table Offsets)
garc.fato.Magic = br.ReadChars(4);
garc.fato.HeaderSize = br.ReadInt32();
garc.fato.EntryCount = br.ReadUInt16();
garc.fato.Padding = br.ReadUInt16();
garc.fato.Entries = new FATO_Entry[garc.fato.EntryCount];
for (int i = 0; i < garc.fato.EntryCount; i++)
garc.fato.Entries[i].Offset = br.ReadInt32();
// FATB (File Allocation Table Bits)
garc.fatb.Magic = br.ReadChars(4);
garc.fatb.HeaderSize = br.ReadInt32();
garc.fatb.FileCount = br.ReadInt32();
garc.fatb.Entries = new FATB_Entry[garc.fato.EntryCount];
for (int i = 0; i < garc.fato.EntryCount; i++) // Loop through all FATO entries
{
garc.fatb.Entries[i].Vector = br.ReadUInt32();
garc.fatb.Entries[i].SubEntries = new FATB_SubEntry[32];
uint bitvector = garc.fatb.Entries[i].Vector;
int ctr = 0;
for (int b = 0; b < 32; b++)
{
garc.fatb.Entries[i].SubEntries[b].Exists = (bitvector & 1) == 1;
bitvector >>= 1;
if (!garc.fatb.Entries[i].SubEntries[b].Exists) continue;
garc.fatb.Entries[i].SubEntries[b].Start = br.ReadInt32();
garc.fatb.Entries[i].SubEntries[b].End = br.ReadInt32();
garc.fatb.Entries[i].SubEntries[b].Length = br.ReadInt32();
ctr++;
}
garc.fatb.Entries[i].IsFolder = ctr > 1;
}
// FIMB (File IMage Bytes)
garc.fimg.Magic = br.ReadChars(4);
garc.fimg.HeaderSize = br.ReadInt32();
garc.fimg.DataSize = br.ReadInt32();
// Files data
// Oftentimes too large to toss into a byte array. Fetch as needed with a BinaryReader.
}
return garc;
}
public static MemGARC packGARC(byte[][] data, int version)
{
// Set Up the GARC template.
GARCFile garc = new GARCFile
{
ContentPadToNearest = 4,
fato =
{
// Magic = new[] { 'O', 'T', 'A', 'F' },
Entries = new FATO_Entry[data.Length],
EntryCount = (ushort) data.Length,
HeaderSize = 0xC + data.Length*4,
Padding = 0xFFFF
},
fatb =
{
// Magic = new[] { 'B', 'T', 'A', 'F' },
Entries = new FATB_Entry[data.Length],
FileCount = data.Length
}
};
if (version == VER_6)
garc.ContentPadToNearest = 4;
int op = 0;
int od = 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
garc.fatb.Entries[i].IsFolder = false;
garc.fatb.Entries[i].SubEntries[0].Exists = true;
// Assemble Entry
int actualLength = data[i].Length%4 == 0 ? data[i].Length : data[i].Length + 4 - data[i].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 = data[i].Length;
od += actualLength;
op += 12;
garc.fatb.Entries[i].Vector = 1;
}
garc.fatb.HeaderSize = 0xC + op;
// Set up the Header Info
using (MemoryStream newGARC = new MemoryStream())
using (MemoryStream GARCdata = new MemoryStream())
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);
}
}
#endregion
#region Write Files
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 (byte[] e in data)
{
// Update largest file length if necessary
long len = e.Length;
bool largest = len > largestSize;
if (largest)
{
largestSize = len;
largestPadded = len;
}
// Write to FIMB
using (var input = new MemoryStream(e))
input.CopyTo(GARCdata);
// While length is not divisible by 4, pad with FF (unused byte)
while (GARCdata.Length%garc.ContentPadToNearest != 0)
{
GARCdata.WriteByte(0xFF);
if (largest)
largestPadded++;
}
}
garc.ContentLargestUnpadded = (uint) largestSize;
garc.ContentLargestPadded = (uint) largestPadded;
#endregion
gw.Write((uint) 0x46494D42); // FIMB
gw.Write((uint) 0x0000000C); // Header Length
gw.Write((uint) GARCdata.Length); // Data Length
gw.Seek(0x10, SeekOrigin.Begin); // Goto the start of the un-set 0 data we set earlier and set it.
gw.Write((uint) newGARC.Length); // Write Data Offset
gw.Write((uint) (newGARC.Length + GARCdata.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);
}
newGARC.Seek(0, SeekOrigin.End); // Goto the end so we can copy the filedata after the GARC headers.
// Write in the data
GARCdata.Position = 0;
GARCdata.CopyTo(newGARC); // Copy the data.
// New File is ready to be saved (memstream newGARC)
return new MemGARC(newGARC.ToArray());
}
}
public byte[] Save()
{
byte[][] data = new byte[FileCount][];
for (int i = 0; i < data.Length; i++)
{
if (Storage[i] == null || !Storage[i].Saved) // retrieve original
data[i] = getFile(i, 0);
else // use modified
data[i] = Storage[i].Save();
}
var ng = packGARC(data, garc.Version, (int)garc.ContentPadToNearest);
garc = ng.garc;
Data = ng.Data;
return Data;
}
public lzGARC(byte[] data)
{
Data = data;
garc = unpackGARC(data);
Storage = new GARCEntry[FileCount];
}
public void InitializePersonal()
{
GARCPersonal = getGARCData("personal");
Personal = new PersonalTable(GARCPersonal.getFile(GARCPersonal.FileCount - 1), Version);
}
