internal static LbxInfo Load(string filename)
{
using (var stream = new MemoryStream(File.ReadAllBytes(filename)))
{
return(LbxInfo.Read(stream));
}
}
public void Execute()
{
System.Console.WriteLine($"Reading {this.args[0]} archive...");
LbxInfo info = LbxInfo.Load(this.args[0]);
System.Console.WriteLine($"Archive contains {info.FileCount} files:");
foreach (var item in info.ContentInfo)
{
System.Console.WriteLine($"\t[+{item.Offset}, {item.Data.Length}] Name:{item.Name}, Description:{item.Description}");
}
System.Console.WriteLine($"LBX file end offset is set to: {info.EndOffset}");
}
private static List <uint> ReadOffsets(LbxInfo result, BinaryReader reader)
{
var offsets = new List <uint>();
for (int i = 0; i < result.FileCount; i++)
{
offsets.Add(reader.ReadUInt32());
}
result.EndOffset = reader.ReadUInt32();
offsets.Add(result.EndOffset);
return(offsets);
}
public void Execute()
{
var info = LbxInfo.Load(this.commandArgs[0]);
for (int i = 0; i < info.FileCount; i++)
{
var ci = info.ContentInfo[i];
var dir = this.GetDirName(ci);
this.EnsureDirExistance(dir);
string path = CreatePath(dir, i, ci);
ci.WriteData(path);
}
}
internal static LbxInfo Read(MemoryStream stream)
{
var result = new LbxInfo();
using (var reader = new BinaryReader(stream, Encoding.Default, true))
{
result.FileCount = reader.ReadUInt16();
result.MagicString = reader.ReadBytes(4);
result.UnusedValue = reader.ReadUInt16();
List <uint> offsets = ReadOffsets(result, reader);
var firstFileOffset = offsets[0];
const int fileNamesStartOffset = 512;
for (int i = 0; i < result.FileCount; i++)
{
var contentLength = (int)(offsets[i + 1] - offsets[i]);
var recordStartOffset = fileNamesStartOffset + (i * 32);
var recordEndOffset = fileNamesStartOffset + ((i + 1) * 32);
string fName, fDesc;
stream.Seek(recordStartOffset, SeekOrigin.Begin);
if (recordEndOffset < firstFileOffset)
{
fName = reader.ReadNullTerminatedFixedString(9);
fDesc = reader.ReadNullTerminatedFixedString(23);
}
else
{
fName = $"Unnamed_{i}";
fDesc = $"Description_{i}";
}
stream.Seek(offsets[i], SeekOrigin.Begin);
var bytes = new byte[contentLength];
stream.Read(bytes, 0, contentLength);
result.ContentInfo.Add(new ArchiveContent(offsets[i], fName, fDesc, bytes));
}
}
return(result);
}
