internal static void OpenARC(string path, ProgressBar pBar1, bool recursing = false)
{
string newFolder = "";
try
{
// Pre-check file length to see if it is at least valid.
FileInfo fi = new FileInfo(path);
if (fi.Length > (long)2 * (1 << 30))
{
WinFormsUtil.Error("File is too big!"); return;
} // 2 GB
string folderPath = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path));
byte[] first4 = new byte[4];
try
{
using var fs = new FileStream(path, FileMode.Open);
using var bw = new BinaryReader(fs);
first4 = bw.ReadBytes(4);
}
catch (Exception e)
{
WinFormsUtil.Error("Cannot open file!", e.ToString());
}
// Determine if it is a DARC or a Mini
// Check if Mini first
string fx = fi.Length > 10 * (1 << 20) ? null : Mini.GetIsMini(path); // no mini is above 10MB
if (fx != null) // Is Mini Packed File
{
newFolder = folderPath + "_" + fx;
// Fetch Mini File Contents
Mini.UnpackMini(path, fx, newFolder, false);
// Recurse throught the extracted contents if they extract successfully
if (Directory.Exists(newFolder))
{
foreach (string file in Directory.GetFiles(newFolder))
{
OpenARC(file, pBar1, true);
}
BatchRenameExtension(newFolder);
}
}
else if (first4.SequenceEqual(BitConverter.GetBytes(0x54594C41))) // ALYT
{
if (threads > 0)
{
WinFormsUtil.Alert("Please wait for all operations to finish first."); return;
}
new Thread(() =>
{
Interlocked.Increment(ref threads);
var alyt = new ALYT(File.ReadAllBytes(path));
var sarc = new SARC(alyt.Data) // rip out sarc
{
FileName = Path.GetFileNameWithoutExtension(path) + "_sarc",
FilePath = Path.GetDirectoryName(path)
};
if (!sarc.Valid)
{
return;
}
var files = sarc.Dump();
foreach (var _ in files)
{
// openARC(file, pBar1, true);
}
Interlocked.Decrement(ref threads);
}).Start();
}
else if (first4.SequenceEqual(BitConverter.GetBytes(0x47415243))) // GARC
{
if (threads > 0)
{
WinFormsUtil.Alert("Please wait for all operations to finish first."); return;
}
bool SkipDecompression = ModifierKeys == Keys.Control;
new Thread(() =>
{
Interlocked.Increment(ref threads);
bool r = GarcUtil.UnpackGARC(path, folderPath + "_g", SkipDecompression, pBar1);
Interlocked.Decrement(ref threads);
if (r)
{
BatchRenameExtension(newFolder);
}
else
{
WinFormsUtil.Alert("Unpacking failed."); return;
}
System.Media.SystemSounds.Asterisk.Play();
}).Start();
}
else if (ARC.Analyze(path).valid) // DARC
{
var data = File.ReadAllBytes(path);
int pos = 0;
while (BitConverter.ToUInt32(data, pos) != 0x63726164)
{
pos += 4;
if (pos >= data.Length)
{
return;
}
}
var darcData = data.Skip(pos).ToArray();
newFolder = folderPath + "_d";
bool r = Core.CTR.DARC.Darc2files(darcData, newFolder);
if (!r)
{
WinFormsUtil.Alert("Unpacking failed.");
}
}
else if (ARC.AnalyzeSARC(path).Valid)
{
var sarc = ARC.AnalyzeSARC(path);
Console.WriteLine($"New SARC with {sarc.SFAT.EntryCount} files.");
foreach (var _ in sarc.Dump(path))
{
}
}
else if (!recursing)
{
WinFormsUtil.Alert("File is not a darc or a mini packed file:" + Environment.NewLine + path);
}
}
catch (Exception e)
{
if (!recursing)
{
WinFormsUtil.Error("File error:" + Environment.NewLine + path, e.ToString());
}
threads = 0;
}
}