private byte[] Decompress(BinaryReader Reader, Far3Entry Entry)
{
//Unknown part of the header, not needed for decompression.
//NOTE: This header is part of the actual filedata if file isn't compressed.
Reader.ReadBytes(9);
//Read the compression header
uint Filesize = Reader.ReadUInt32();
ushort CompressionID = Reader.ReadUInt16();
if (CompressionID == 0xFB10)
{
byte[] Dummy = Reader.ReadBytes(3);
uint DecompressedSize = (uint)((Dummy[0] << 0x10) | (Dummy[1] << 0x08) | +Dummy[2]);
Decompresser Dec = new Decompresser();
Dec.CompressedSize = Filesize;
Dec.DecompressedSize = DecompressedSize;
return(Dec.Decompress(Reader.ReadBytes((int)Filesize)));
}
else //The entry wasn't compressed...
{
Reader.BaseStream.Seek((Reader.BaseStream.Position - 15), SeekOrigin.Begin);
return(Reader.ReadBytes((int)Entry.DecompressedFileSize));
}
}
private byte[] Decompress(BinaryReader Reader, Far3Entry Entry)
{
//Unknown part of the header, not needed for decompression.
//NOTE: This header is part of the actual filedata if file isn't compressed.
Reader.ReadBytes(9);
//Read the compression header
uint Filesize = Reader.ReadUInt32();
ushort CompressionID = Reader.ReadUInt16();
if (CompressionID == 0xFB10)
{
byte[] Dummy = Reader.ReadBytes(3);
uint DecompressedSize = (uint)((Dummy[0] << 0x10) | (Dummy[1] << 0x08) | +Dummy[2]);
Decompresser Dec = new Decompresser();
Dec.CompressedSize = Filesize;
Dec.DecompressedSize = DecompressedSize;
return Dec.Decompress(Reader.ReadBytes((int)Filesize));
}
else //The entry wasn't compressed...
{
Reader.BaseStream.Seek((Reader.BaseStream.Position - 15), SeekOrigin.Begin);
return Reader.ReadBytes((int)Entry.DecompressedFileSize);
}
}
private void OpenDatArchive(string Path)
{
BinaryReader Reader = new BinaryReader(File.Open(Path, FileMode.Open));
BinaryWriter Logger = new BinaryWriter(File.Create("Entries log.txt"));
string Header = Encoding.ASCII.GetString(Reader.ReadBytes(8));
uint Version = Reader.ReadUInt32();
if ((Header != "FAR!byAZ") || (Version != 3))
{
MessageBox.Show("Archive wasn't a valid FAR V.3 archive!");
return;
}
uint ManifestOffset = Reader.ReadUInt32();
m_ManifestOffset = ManifestOffset;
Reader.BaseStream.Seek(ManifestOffset, SeekOrigin.Begin);
LstFiles.Items.Clear();
uint NumFiles = Reader.ReadUInt32();
LstFiles.Items.Add("Number of files: " + NumFiles.ToString());
LstFiles.Items.Add("");
for (int i = 0; i < NumFiles; i++)
{
Far3Entry Entry = new Far3Entry();
Entry.DecompressedFileSize = Reader.ReadUInt32();
Logger.Write("DecompressedFilesize: " + Entry.DecompressedFileSize + "\r\n");
byte[] Dummy = Reader.ReadBytes(3);
Entry.CompressedFileSize = (uint)((Dummy[0] << 0) | (Dummy[1] << 8) | (Dummy[2]) << 16);
Logger.Write("CompressedFilesize: " + Entry.CompressedFileSize + "\r\n");
//Entry.CompressedFileSize = Convert.ToUInt32(Reader.ReadBytes(3));
Entry.DataType = Reader.ReadByte();
Logger.Write("DataType: " + Entry.DataType + "\r\n");
//Entry.CompressedSpecifics = Reader.ReadUInt16();
//Entry.PowerValue = Reader.ReadByte();
//Entry.Unknown = Reader.ReadByte();
Entry.DataOffset = Reader.ReadUInt32();
Logger.Write("DataOffset: " + Entry.DataOffset + "\r\n");
//Entry.Unknown2 = Reader.ReadUInt16();
Entry.Compressed = Reader.ReadByte();
Logger.Write("Compressed: " + Entry.Compressed + "\r\n");
Entry.AccessNumber = Reader.ReadByte();
Logger.Write("AccessNumber: " + Entry.AccessNumber + "\r\n");
Entry.FilenameLength = Reader.ReadUInt16();
Logger.Write("FilenameLength: " + Entry.FilenameLength + "\r\n");
Entry.TypeID = Reader.ReadUInt32();
Logger.Write("TypeID: " + Entry.TypeID + "\r\n");
Entry.FileID = Reader.ReadUInt32();
Logger.Write("FileID: " + Entry.FileID + "\r\n");
Entry.Filename = Encoding.ASCII.GetString(Reader.ReadBytes(Entry.FilenameLength));
Logger.Write("Filename: " + Entry.Filename + "\r\n");
Logger.Write("\r\n");
m_Far3Entries.Add(Entry);
LstFiles.Items.Add(Entry.Filename + ", " + string.Format("{0:X}", Entry.FileID));
}
Logger.Flush();
Reader.Close();
Logger.Close();
}
private void OpenDatArchive(string Path)
{
BinaryReader Reader = new BinaryReader(File.Open(Path, FileMode.Open));
BinaryWriter Logger = new BinaryWriter(File.Create("Entries log.txt"));
string Header = Encoding.ASCII.GetString(Reader.ReadBytes(8));
uint Version = Reader.ReadUInt32();
if ((Header != "FAR!byAZ") || (Version != 3))
{
MessageBox.Show("Archive wasn't a valid FAR V.3 archive!");
return;
}
uint ManifestOffset = Reader.ReadUInt32();
m_ManifestOffset = ManifestOffset;
Reader.BaseStream.Seek(ManifestOffset, SeekOrigin.Begin);
LstFiles.Items.Clear();
uint NumFiles = Reader.ReadUInt32();
LstFiles.Items.Add("Number of files: " + NumFiles.ToString());
LstFiles.Items.Add("");
for (int i = 0; i < NumFiles; i++)
{
Far3Entry Entry = new Far3Entry();
Entry.DecompressedFileSize = Reader.ReadUInt32();
Logger.Write("DecompressedFilesize: " + Entry.DecompressedFileSize + "\r\n");
byte[] Dummy = Reader.ReadBytes(3);
Entry.CompressedFileSize = (uint)((Dummy[0] << 0) | (Dummy[1] << 8) | (Dummy[2]) << 16);
Logger.Write("CompressedFilesize: " + Entry.CompressedFileSize + "\r\n");
//Entry.CompressedFileSize = Convert.ToUInt32(Reader.ReadBytes(3));
Entry.DataType = Reader.ReadByte();
Logger.Write("DataType: " + Entry.DataType + "\r\n");
//Entry.CompressedSpecifics = Reader.ReadUInt16();
//Entry.PowerValue = Reader.ReadByte();
//Entry.Unknown = Reader.ReadByte();
Entry.DataOffset = Reader.ReadUInt32();
Logger.Write("DataOffset: " + Entry.DataOffset + "\r\n");
//Entry.Unknown2 = Reader.ReadUInt16();
Entry.Compressed = Reader.ReadByte();
Logger.Write("Compressed: " + Entry.Compressed + "\r\n");
Entry.AccessNumber = Reader.ReadByte();
Logger.Write("AccessNumber: " + Entry.AccessNumber + "\r\n");
Entry.FilenameLength = Reader.ReadUInt16();
Logger.Write("FilenameLength: " + Entry.FilenameLength + "\r\n");
Entry.TypeID = Reader.ReadUInt32();
Logger.Write("TypeID: " + Entry.TypeID + "\r\n");
Entry.FileID = Reader.ReadUInt32();
Logger.Write("FileID: " + Entry.FileID + "\r\n");
Entry.Filename = Encoding.ASCII.GetString(Reader.ReadBytes(Entry.FilenameLength));
Logger.Write("Filename: " + Entry.Filename + "\r\n");
Logger.Write("\r\n");
m_Far3Entries.Add(Entry);
LstFiles.Items.Add(Entry.Filename + ", " + string.Format("{0:X}", Entry.FileID));
}
Logger.Flush();
Reader.Close();
Logger.Close();
}
private byte[] Decompress(BinaryReader Reader, Far3Entry Entry)
{
Reader.ReadBytes(9); //Unknown part of the header, not needed for decompression.
//Read the compression header
uint Filesize = Reader.ReadUInt32();
ushort CompressionID = Reader.ReadUInt16();
if (CompressionID == 0xFB10)
{
byte[] Dummy = Reader.ReadBytes(3);
uint DecompressedSize = (uint)((Dummy[0] << 0x10) | (Dummy[1] << 0x08) | +Dummy[2]);
/*return Uncompress(Reader.ReadBytes((int)Entry.CompressedFileSize), DecompressedSize, 0,
(int)Entry.CompressedFileSize, GameType.SimCity4);*/
Decompresser Dec = new Decompresser();
Dec.CompressedSize = Filesize;
Dec.DecompressedSize = DecompressedSize;
return Dec.Decompress(Reader.ReadBytes((int)Filesize));
}
else //The entry wasn't compressed...
{
MessageBox.Show("CompressionID didn't match!");
Reader.BaseStream.Seek((Reader.BaseStream.Position - 6), SeekOrigin.Begin);
return Reader.ReadBytes((int)Entry.DecompressedFileSize/*Entry.CalculateFileSize()*/);
}
}
