public bool Save()
{
bool result = false;
try
{
FileStream fs = System.IO.File.Create(File.FullName);
BinaryWriterX bw = new BinaryWriterX(fs);
// Byte Order
bw.ByteOrder = Header.ByteOrderMark[0] == 0xFF ? ByteOrder.LittleEndian : ByteOrder.BigEndian;
// Header
bw.Write(Header.Identifier);
bw.Write(Header.ByteOrderMark);
bw.Write(Header.Unknown1);
bw.Write(Header.Unknown2);
bw.Write(Header.NumberOfSections);
bw.Write(Header.Unknown3);
bw.Write(Header.FileSize);
bw.Write(Header.Unknown4);
foreach (string section in SectionOrder)
{
if (section == "LBL1")
{
WriteLBL1(bw);
}
else if (section == "NLI1")
{
WriteNLI1(bw);
}
else if (section == "ATR1")
{
WriteATR1(bw);
}
else if (section == "TSY1")
{
WriteTSY1(bw);
}
else if (section == "TXT2")
{
WriteTXT2(bw);
}
}
// Update FileSize
long fileSize = bw.BaseStream.Position;
bw.BaseStream.Seek(Header.FileSizeOffset, SeekOrigin.Begin);
bw.Write((UInt32)fileSize);
bw.Close();
}
catch (Exception)
{ }
return(result);
}
public static string Extract(string filename, string path, bool overwrite = true)
{
string result = "Files successfully extracted.";
if (File.Exists(filename) && new FileInfo(filename).Length > 0)
{
FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.None);
BinaryReaderX br = new BinaryReaderX(fs);
try
{
string magic = Encoding.ASCII.GetString(br.ReadBytes(4));
if (magic != "BG4\0")
{
throw new InvalidBG4Exception("The file provided is not a valid BG4 archive.");
}
ushort Constant1 = br.ReadUInt16();
ushort NumberOfHeaders = br.ReadUInt16();
uint SizeOfHeaders = br.ReadUInt32();
ushort NumberOfHeadersDerived = br.ReadUInt16();
ushort NumberOfHeadersMultiplier = br.ReadUInt16();
// Read in file headers
List <FileEntry> entries = new List <FileEntry>();
FileEntry entry = new FileEntry();
for (int i = 0; i < NumberOfHeaders; i++)
{
uint offsetTemp = br.ReadUInt32();
if ((offsetTemp & 0x80000000) == 0x80000000)
{
entry.Compressed = true;
}
entry.Offset = entry.Compressed ? (offsetTemp ^ 0x80000000) : offsetTemp;
entry.Size = br.ReadUInt32();
entry.Unknown1 = br.ReadUInt32();
entry.NameIndex = br.ReadUInt16();
if (entry.Unknown1 != 0xFFFFFFFF)
{
entries.Add(entry);
}
entry = new FileEntry();
}
// Sort the file entries into NameIndex order
entries.Sort();
// Read in file names
bool eofn = false;
List <string> filenames = new List <string>();
while (!eofn)
{
if (br.PeekString(2) == Encoding.ASCII.GetString(new byte[] { 0xFF, 0xFF }))
{
eofn = true;
}
else
{
bool eos = false;
string name = string.Empty;
while (!eos)
{
byte chr = br.ReadByte();
if (chr == 0x00)
{
eos = true;
}
else
{
name += (char)chr;
}
}
if (name != "(invalid)")
{
filenames.Add(name);
}
}
}
// Extract!
for (int i = 0; i < entries.Count; i++)
{
FileEntry fe = entries[i];
string extension = (!Regex.IsMatch(filenames[i], @"\..*?$") ? ".bin" : string.Empty);
if (extension != string.Empty)
{
br.BaseStream.Seek(fe.Offset, SeekOrigin.Begin);
magic = Encoding.ASCII.GetString(br.ReadBytes(8));
if (magic.StartsWith("MsgStdBn"))
{
extension = ".msbt";
}
else if (magic.StartsWith("BCH"))
{
extension = ".bch";
}
else if (magic.StartsWith("PTX"))
{
extension = ".ptx";
}
// TODO: Add more known magic/extension pairs
}
Debug.Print("[" + fe.Offset.ToString("X8") + "] " + fe.NameIndex + " (" + fe.Unknown1 + ") " + filenames[i] + extension);
FileInfo fi = new FileInfo(filename);
FileStream fsr = new FileStream(Path.Combine(path, filenames[i] + extension), FileMode.Create, FileAccess.Write, FileShare.None);
BinaryWriterX bw = new BinaryWriterX(fsr);
br.BaseStream.Seek(fe.Offset, SeekOrigin.Begin);
bw.Write(br.ReadBytes((int)fe.Size));
bw.Close();
}
result = NumberOfHeaders + " header(s) were scanned and " + entries.Count + " files were successfully extracted!";
}
catch (InvalidBG4Exception ibex)
{
result = ibex.Message;
}
catch (Exception ex)
{
result = ex.Message;
}
finally
{
br.Close();
}
}
return(result);
}
public bool Save()
{
bool result = false;
try
{
FileStream fs = System.IO.File.Create(File.FullName);
BinaryWriterX bw = new BinaryWriterX(fs);
// Byte Order
bw.ByteOrder = Header.ByteOrderMark[0] == 0xFF ? ByteOrder.LittleEndian : ByteOrder.BigEndian;
// Header
bw.Write(Header.Identifier);
bw.Write(Header.ByteOrderMark);
bw.Write(Header.Unknown1);
bw.Write(Header.Unknown2);
bw.Write(Header.NumberOfSections);
bw.Write(Header.Unknown3);
bw.Write(Header.FileSize);
bw.Write(Header.Unknown4);
foreach (string section in SectionOrder)
{
if (section == "LBL1")
WriteLBL1(bw);
else if (section == "NLI1")
WriteNLI1(bw);
else if (section == "ATR1")
WriteATR1(bw);
else if (section == "TSY1")
WriteTSY1(bw);
else if (section == "TXT2")
WriteTXT2(bw);
}
// Update FileSize
long fileSize = bw.BaseStream.Position;
bw.BaseStream.Seek(Header.FileSizeOffset, SeekOrigin.Begin);
bw.Write((UInt32)fileSize);
bw.Close();
}
catch (Exception)
{ }
return result;
}
