private void decompressRPLRPXToolStripMenuItem_Click(object sender, EventArgs e)
{
if (FileELF is RPX && File.Exists(LastFile))
{
string destination = Path.GetDirectoryName(LastFile) + "\\" +
Path.GetFileNameWithoutExtension(LastFile) +
"_decompressed" + Path.GetExtension(LastFile);
RPX.Decompress(LastFile, destination);
MessageBox.Show("Output: \"" + destination + "\"", "Decompressed!");
}
else if (!(FileELF is RPX) && File.Exists(LastFile))
{
MessageBox.Show("\"" + LastFile + "\" is not an RPX or RPL file.", "Warning!");
}
else if (FileELF is RPX && !File.Exists(LastFile))
{
MessageBox.Show("The file \"" + LastFile + "\" no longer exists. ", "Warning!");
}
else
{
MessageBox.Show("Open an RPX or RPL file.", "Warning!");
}
}
public static void Compress(string source, string destination)
{
RPX rpx = new RPX(source);
int shSize = rpx.Header.e_shnum * 0x2C; // 0x2C = rpx.Header.e_shentsize + 4 bytes of CRC32
int sectionsOffset = GetPhysicalSectionSize(shSize) + 0x40;
List <KeyValuePair <int, Elf32_Shdr> > shList = new List <KeyValuePair <int, Elf32_Shdr> >();
List <KeyValuePair <int, Elf32_Shdr> > shNew = new List <KeyValuePair <int, Elf32_Shdr> >();
for (int i = 0; i < rpx.SectionHeader.Length; i++)
{
shList.Add(new KeyValuePair <int, Elf32_Shdr>(i, rpx.SectionHeader[i]));
}
shList.Sort((pair1, pair2) => Elf32_Shdr.CompareByOffset(pair1.Value, pair2.Value));
FileStream src = File.Open(source, FileMode.Open);
FileStream dest = File.Open(destination, FileMode.Create);
byte[] srcBytes = new byte[sectionsOffset];
src.Read(srcBytes, 0, srcBytes.Length);
dest.Write(srcBytes, 0, srcBytes.Length);
for (int i = 0; i < shList.Count; i++)
{
int key = shList[i].Key;
Elf32_Shdr shdr = new Elf32_Shdr(shList[i].Value);
if (shList[i].Value.sh_offset >= sectionsOffset)
{
int padding = 0;
if ((shList[i].Value.sh_type & (uint)SHT_RPL.FILEINFO) == (uint)SHT_RPL.FILEINFO ||
(shList[i].Value.sh_flags & (uint)SHF_RPL.ZLIB) == (uint)SHF_RPL.ZLIB)
{
shdr.sh_offset = (uint)dest.Position;
srcBytes = new byte[shList[i].Value.sh_size];
src.Position = shList[i].Value.sh_offset;
src.Read(srcBytes, 0, srcBytes.Length);
if ((shList[i].Value.sh_type & (uint)SHT_RPL.FILEINFO) == (uint)SHT_RPL.FILEINFO)
{
rpx.CRC[shList[i].Key] = Security.ComputeCRC32(srcBytes, 0, srcBytes.Length);
}
padding = GetPhysicalSectionSize(srcBytes.Length) - srcBytes.Length;
dest.Write(srcBytes, 0, srcBytes.Length);
}
else
{
shdr.sh_offset = (uint)dest.Position;
srcBytes = new byte[shList[i].Value.sh_size];
src.Position = shList[i].Value.sh_offset;
src.Read(srcBytes, 0, srcBytes.Length);
byte[] compressBytes = Compress(srcBytes);
rpx.CRC[shList[i].Key] = Security.ComputeCRC32(srcBytes, 0, srcBytes.Length);
if (compressBytes.Length < srcBytes.Length)
{
shdr.sh_flags |= (uint)SHF_RPL.ZLIB;
shdr.sh_size = (uint)compressBytes.Length;
padding = GetPhysicalSectionSize(compressBytes.Length) - compressBytes.Length;
dest.Write(compressBytes, 0, compressBytes.Length);
}
else
{
padding = GetPhysicalSectionSize(srcBytes.Length) - srcBytes.Length;
dest.Write(srcBytes, 0, srcBytes.Length);
}
}
byte[] paddingBytes = new byte[padding];
dest.Write(paddingBytes, 0, paddingBytes.Length);
}
shNew.Add(new KeyValuePair <int, Elf32_Shdr>(key, shdr));
}
src.Close();
dest.Position = 0x40;
shNew.Sort((pair1, pair2) => pair1.Key.CompareTo(pair2.Key));
for (int i = 0; i < shNew.Count; i++)
{
dest.Write(shNew[i].Value.ToArray(rpx.Header.e_ident[(byte)EI.DataEncoding]), 0, 0x28);
}
for (int i = 0; i < rpx.CRC.Length; i++)
{
dest.WriteByte((byte)(rpx.CRC[i] >> 24));
dest.WriteByte((byte)((rpx.CRC[i] >> 16) & 0xFF));
dest.WriteByte((byte)((rpx.CRC[i] >> 8) & 0xFF));
dest.WriteByte((byte)(rpx.CRC[i] & 0xFF));
}
dest.Close();
}
public void Run(string[] args)
{
Console.WriteLine("ELF/RPL/RPX Reader v1.0");
if (args.Length == 1)
{
ELF file = ELF.Open(args[0]);
if (file != null)
{
Console.Write("File: \"" + args[0] + "\"\n\n" + file.ToString());
}
else
{
Console.WriteLine("File: \"" + args[0] + "\"\n\nIt is not an ELF, RPX or RPL file.");
}
}
else if (args.Length == 2)
{
if (args[0] == "decompress")
{
ELF file = ELF.Open(args[1]);
if (file != null)
{
Console.Write("File: \"" + args[1] + "\"\n\n" + file.ToString());
string destination = Path.GetDirectoryName(args[1]).Length > 0 ? Path.GetDirectoryName(args[1]) + "\\" : "" +
Path.GetFileNameWithoutExtension(args[1]) +
"_decompressed" + Path.GetExtension(args[1]);
try
{
RPX.Decompress(args[1], destination);
Console.WriteLine("\nDecompressed!");
Console.WriteLine("Output: \"" + destination + "\"");
}
catch
{
Console.WriteLine("\nIt is not an RPX or RPL file");
}
}
else
{
Console.WriteLine("File: \"" + args[1] + "\"\n\nIt is not an ELF, RPX or RPL file.");
}
}
else if (args[0] == "compress")
{
ELF file = ELF.Open(args[1]);
if (file != null)
{
Console.Write("File: \"" + args[1] + "\"\n\n" + file.ToString());
string destination = Path.GetDirectoryName(args[1]).Length > 0 ? Path.GetDirectoryName(args[1]) + "\\" : "" +
Path.GetFileNameWithoutExtension(args[1]) +
"_compressed" + Path.GetExtension(args[1]);
try
{
RPX.Compress(args[1], destination);
Console.WriteLine("\nCompressed!");
Console.WriteLine("Output: \"" + destination + "\"");
}
catch
{
Console.WriteLine("\nIt is not an RPX or RPL file");
}
}
else
{
Console.WriteLine("File: \"" + args[1] + "\"\n\nIt is not an ELF, RPX or RPL file.");
}
}
else if (args[0] == "extractrom")
{
ELF file = ELF.Open(args[1]);
if (file != null)
{
Console.Write("File: \"" + args[1] + "\"\n\n" + file.ToString());
if (file is RPXNES)
{
RPXNES vc = file as RPXNES;
string filename = Path.GetDirectoryName(args[1]).Length > 0 ? Path.GetDirectoryName(args[1]) + "\\" : "" + vc.GetROMFileName();
FileStream fs = File.Open(filename, FileMode.Create);
if (vc.ROM.IsFDS)
{
fs.Write(vc.ROM.Data, 0, vc.ROM.RawSize);
}
else
{
fs.Write(vc.ROM.Data, 0, vc.ROM.RawSize + 16);
fs.Position = 3;
fs.WriteByte(0x1A);
}
fs.Close();
Console.WriteLine("\nROM extracted!");
Console.WriteLine("Output: \"" + filename + "\"");
}
else if (file is RPXSNES)
{
RPXSNES vc = file as RPXSNES;
string filename = Path.GetDirectoryName(args[1]) + "\\" + vc.GetROMFileName();
FileStream fs = File.Open(filename, FileMode.Create);
fs.Write(vc.ROM.Data, 0, vc.ROM.Data.Length);
fs.Close();
Console.WriteLine("\nROM extracted!");
Console.WriteLine("Output: \"" + filename + "\"");
}
else
{
Console.WriteLine("\nIt is not an VC NES RPX or VC SNES RPX file.");
}
}
else
{
Console.WriteLine("File: \"" + args[1] + "\"\n\nIt is not an ELF, RPX or RPL file.");
}
}
else
{
Console.WriteLine("Use: <file path>");
Console.WriteLine("Or: decompress <file path>");
Console.WriteLine("Or: compress <file path>");
Console.WriteLine("Or: extractrom <file path>");
}
}
else
{
Console.WriteLine("Use: <file path>");
Console.WriteLine("Or: decompress <file path>");
Console.WriteLine("Or: compress <file path>");
Console.WriteLine("Or: extractrom <file path>");
}
}