public byte[] ExtractBytes(MAS2File f)
{
BinaryReader reader = new BinaryReader(System.IO.File.OpenRead(this.mas2_file));
reader.BaseStream.Seek(f.FileOffset, SeekOrigin.Begin);
byte[] RawData = reader.ReadBytes((int)f.CompressedSize);
reader.Close();
if (f.IsCompressed)
{
byte[] OutputData = new byte[f.UncompressedSize];
// MAS2 compression consists of a simple inflate/deflate process.
ZlibCodec codec = new ZlibCodec(CompressionMode.Decompress);
codec.InitializeInflate();
codec.InputBuffer = RawData;
codec.NextIn = 0;
codec.AvailableBytesIn = RawData.Length;
codec.OutputBuffer = OutputData;
codec.NextOut = 0;
codec.AvailableBytesOut = OutputData.Length;
codec.Inflate(FlushType.None);
codec.EndInflate();
return(OutputData);
}
else
{
return(RawData);
}
}
public MAS2Reader(string file, string[] exts)
{
this.mas2_file = file;
Files = new List <MAS2File>();
reader = new BinaryReader(System.IO.File.OpenRead(file));
ReadHeader();
int files = file_header.Length / 256;
uint FilePosition = (uint)reader.BaseStream.Position;
reader.Close();
List <string> extensions = new List <string>(exts);
bool parse_extensions = (extensions.Count > 0);
for (int f = 0; f < files; f++)
{
MAS2File masfile = new MAS2File {
Master = this
};
uint size_compressed = BitConverter.ToUInt32(file_header, 65 * 4 + f * 256);
masfile.FileOffset = FilePosition;
FilePosition += size_compressed;
string filename = ASCIIEncoding.ASCII.GetString(file_header, f * 256 + 16, 128);
filename = filename.Substring(0, filename.IndexOf('\0')).ToLower();
if (parse_extensions)
{
string ext = System.IO.Path.GetExtension(filename);
if (extensions.Contains(ext) == false)
{
continue;
}
}
uint file_index = BitConverter.ToUInt32(file_header, f * 256);
uint size_uncompressed = BitConverter.ToUInt32(file_header, 63 * 4 + f * 256);
string filename_path = ASCIIEncoding.ASCII.GetString(file_header, f * 256 + 16 + filename.Length + 1, 128);
filename_path = filename_path.Substring(0, filename_path.IndexOf('\0')).ToLower();
masfile.CompressedSize = size_compressed;
masfile.UncompressedSize = size_uncompressed;
masfile.Index = file_index;
masfile.Filename = filename;
masfile.Filename_Path = filename_path;
this.Files.Add(masfile);
}
}
public string ExtractString(MAS2File f)
{
return ASCIIEncoding.ASCII.GetString(ExtractBytes(f));
}
public void ExtractFile(MAS2File f, string target)
{
BinaryReader reader = new BinaryReader(System.IO.File.OpenRead(this.mas2_file));
reader.BaseStream.Seek(f.FileOffset, SeekOrigin.Begin);
byte[] RawData = reader.ReadBytes((int)f.CompressedSize);
if (f.IsCompressed)
{
byte[] OutputData = new byte[f.UncompressedSize];
// MAS2 compression consists of a simple inflate/deflate process.
ZlibCodec codec = new ZlibCodec(CompressionMode.Decompress);
codec.InitializeInflate();
codec.InputBuffer = RawData;
codec.NextIn = 0;
codec.AvailableBytesIn = RawData.Length;
codec.OutputBuffer = OutputData;
codec.NextOut = 0;
codec.AvailableBytesOut = OutputData.Length;
codec.Inflate(FlushType.None);
codec.EndInflate();
System.IO.File.WriteAllBytes(target, OutputData);
}
else
{
System.IO.File.WriteAllBytes(target, RawData);
}
}
public MAS2Reader(string file, string[] exts)
{
this.mas2_file = file;
Files = new List<MAS2File>();
reader = new BinaryReader(System.IO.File.OpenRead(file));
ReadHeader();
int files = file_header.Length / 256;
uint FilePosition = (uint)reader.BaseStream.Position;
reader.Close();
List<string> extensions = new List<string>(exts);
bool parse_extensions = (extensions.Count > 0);
for (int f = 0; f < files; f++)
{
MAS2File masfile = new MAS2File { Master = this };
uint size_compressed = BitConverter.ToUInt32(file_header, 65 * 4 + f * 256);
masfile.FileOffset = FilePosition;
FilePosition += size_compressed;
string filename = ASCIIEncoding.ASCII.GetString(file_header, f * 256 + 16, 128);
filename = filename.Substring(0, filename.IndexOf('\0')).ToLower();
if(parse_extensions)
{
string ext = System.IO.Path.GetExtension(filename);
if (extensions.Contains(ext) == false)
continue;
}
uint file_index = BitConverter.ToUInt32(file_header, f * 256);
uint size_uncompressed = BitConverter.ToUInt32(file_header, 63 * 4 + f * 256);
string filename_path = ASCIIEncoding.ASCII.GetString(file_header, f * 256 + 16 + filename.Length + 1, 128);
filename_path = filename_path.Substring(0, filename_path.IndexOf('\0')).ToLower();
masfile.CompressedSize = size_compressed;
masfile.UncompressedSize = size_uncompressed;
masfile.Index = file_index;
masfile.Filename = filename;
masfile.Filename_Path = filename_path;
this.Files.Add(masfile);
}
}
public string ExtractString(MAS2File f)
{
return(ASCIIEncoding.ASCII.GetString(ExtractBytes(f)));
}
