private static void DecryptBdat(Options options)
{
if (options.Input == null)
{
throw new NullReferenceException("No input file was specified.");
}
if (File.Exists(options.Input))
{
string output = options.Output ?? options.Input;
DecryptFile(options.Input, output);
}
if (Directory.Exists(options.Input))
{
string pattern = options.Filter ?? "*";
string[] filenames = Directory.GetFiles(options.Input, pattern);
foreach (string filename in filenames)
{
DecryptFile(filename, filename);
}
}
void DecryptFile(string input, string output)
{
var bdat = new DataBuffer(File.ReadAllBytes(input), options.Game, 0);
BdatTools.DecryptBdat(bdat);
File.WriteAllBytes(output, bdat.File);
Console.WriteLine("Finished decrypting");
}
}
private static void ReadBdat(byte[] file, BdatStringCollection tables, string filename)
{
if (file.Length <= 12)
{
throw new InvalidDataException("File is too short");
}
int fileLength = BitConverter.ToInt32(file, 4);
if (file.Length != fileLength)
{
throw new InvalidDataException("Incorrect file length field");
}
BdatTools.DecryptBdat(file);
int tableCount = BitConverter.ToInt32(file, 0);
for (int i = 0; i < tableCount; i++)
{
int offset = BitConverter.ToInt32(file, 8 + 4 * i);
var table = ReadTable(file, offset);
if (table == null)
{
continue;
}
if (tableCount > 1)
{
table.Filename = filename;
}
tables.Add(table);
}
}
private static void CombineBdat(Options options)
{
//if (options.Input == null) throw new NullReferenceException("No input file was specified.");
if (options.Output == null)
{
throw new NullReferenceException("No output file was specified.");
}
BdatTable[] tables = ReadBdatTables(options, false).Tables;
byte[] combined = BdatTools.Combine(tables);
File.WriteAllBytes(options.Output, combined);
}
private static void ReadBdat(byte[] file, BdatCollection tables)
{
if (file.Length <= 12)
{
throw new InvalidDataException("File is too short");
}
int fileLength = BitConverter.ToInt32(file, 4);
if (file.Length != fileLength)
{
throw new InvalidDataException("Incorrect file length field");
}
BdatTools.DecryptBdat(file);
int tableCount = BitConverter.ToInt32(file, 0);
for (int i = 0; i < tableCount; i++)
{
int offset = BitConverter.ToInt32(file, 8 + 4 * i);
ReadTable(file, offset, tables);
}
}
private static void DecryptBdatFile(string filename)
{
byte[] bdat = File.ReadAllBytes(filename);
BdatTools.DecryptBdat(bdat);
File.WriteAllBytes(filename, bdat);
}
