// Based on code by Dims
public static DAT ReadDat(string filename, out DatReaderError error)
{
if (String.IsNullOrEmpty(filename))
{
error = new DatReaderError(DatError.IOError, "Invalid filename: '" + filename + "'");
return(null);
}
List <string> dirs = new List <string>();
DAT dat = new DAT();
dat.DatFileName = filename;
BinaryReader br = null;
try
{
br = new BinaryReader(File.Open(filename, FileMode.Open));
}
catch (IOException io)
{
error = new DatReaderError(DatError.IOError, io.Message);
return(null);
}
dat.br = br;
br.BaseStream.Seek(-8, SeekOrigin.End);
dat.TreeSize = br.ReadInt32();
dat.FileSizeFromDat = br.ReadInt32();
br.BaseStream.Seek(0, SeekOrigin.Begin);
ulong F1DirCount = ToLittleEndian((ulong)br.ReadInt32());
if (F1DirCount == 0x01 || F1DirCount == 0x33) // Check if it's Fallout 1 dat
{
error = new DatReaderError(DatError.IOError, "Fallout 1 DATs not supported.");
return(null);
}
if (br.BaseStream.Length != dat.FileSizeFromDat)
{
error = new DatReaderError(DatError.WrongSize, "Size is incorrect.");
return(null);
}
br.BaseStream.Seek(-(dat.TreeSize + 8), SeekOrigin.End);
dat.FilesTotal = br.ReadInt32();
byte[] buff = new byte[dat.TreeSize];
br.Read(buff, 0, (int)(dat.TreeSize - 4));
dat.FileList = FindFiles(dat, br);
error = new DatReaderError(DatError.Success, "");
return(dat);
}
// Based on code by Dims
public static DAT ReadDat(string filename, out DatReaderError error)
{
if (String.IsNullOrEmpty(filename))
{
error = new DatReaderError(DatError.IOError, "Invalid filename: '" + filename + "'");
return null;
}
List<string> dirs = new List<string>();
DAT dat = new DAT();
dat.DatFileName = filename;
BinaryReader br=null;
try
{
br = new BinaryReader(File.Open(filename, FileMode.Open));
}
catch (IOException io)
{
error = new DatReaderError(DatError.IOError, io.Message);
return null;
}
dat.br = br;
br.BaseStream.Seek(-8, SeekOrigin.End);
dat.TreeSize = br.ReadInt32();
dat.FileSizeFromDat = br.ReadInt32();
br.BaseStream.Seek(0, SeekOrigin.Begin);
ulong F1DirCount = ToLittleEndian((ulong)br.ReadInt32());
if (F1DirCount == 0x01 || F1DirCount == 0x33) // Check if it's Fallout 1 dat
{
error = new DatReaderError(DatError.IOError, "Fallout 1 DATs not supported.");
return null;
}
if (br.BaseStream.Length != dat.FileSizeFromDat)
{
error = new DatReaderError(DatError.WrongSize, "Size is incorrect.");
return null;
}
br.BaseStream.Seek(-(dat.TreeSize+8), SeekOrigin.End);
dat.FilesTotal = br.ReadInt32();
byte[] buff = new byte[dat.TreeSize];
br.Read(buff, 0, (int)(dat.TreeSize - 4));
dat.FileList = FindFiles(dat, br);
error = new DatReaderError(DatError.Success, "");
return dat;
}