/// <summary>
/// Decodes a .par file to it's ini contents
/// </summary>
/// <param name="parEncryptedFile"></param>
/// <returns></returns>
public static DuplicatingIni DecodePAR(byte[] parEncryptedFile)
{
int PARFileKeyPosition = 0;
byte[] PARFileContentToProcess;
char[] PARFileXORedContent = new char[parEncryptedFile.Length];
byte[] PARFileKeyByteArray = Encoding.UTF8.GetBytes(parEncKey);
if (parEncryptedFile[0] != 0x2A || //Magic? CRC?
parEncryptedFile[1] != 0x02 ||
parEncryptedFile[2] != 0x11 ||
parEncryptedFile[3] != 0x3C)
{
PARFileContentToProcess = parEncryptedFile.Skip(4).ToArray();
}
else
{
PARFileContentToProcess = parEncryptedFile;
}
for (int i = 0; i < PARFileContentToProcess.Length; i++)
{
PARFileXORedContent[i] = (char)(PARFileContentToProcess[i] ^ PARFileKeyByteArray[PARFileKeyPosition]);
PARFileKeyPosition = ((PARFileKeyPosition + 1) % PARFileKeyByteArray.Length);
}
var decPar = new string(PARFileXORedContent);
return(DuplicatingIni.ParseIni(decPar));
}
public ME2Coalesced(string file)
{
Inputfile = file;
using FileStream fs = new FileStream(file, FileMode.Open);
int unknownInt = fs.ReadInt32();
if (unknownInt != 0x1E)
{
throw new Exception("First 4 bytes were not 0x1E (was " + unknownInt.ToString("X8") + ").This does not appear to be a Coalesced file.");
}
while (fs.Position < fs.Length)
{
long pos = fs.Position;
string filename = fs.ReadUnrealString();
string contents = fs.ReadUnrealString();
Inis[filename] = DuplicatingIni.ParseIni(contents);
}
}
