public ITask CreateExtract()
{
return(Build("Extract ARC", task =>
{
var files = GetInputFiles(task);
if (!files.Any())
{
task.Message = "No input files.";
return false;
}
ParallelProgress(task, files, file =>
{
using var stream = OpenRead(task, file);
var entries = _arcStreamReader.Read(stream).ToArray();
var index = 0;
foreach (var entry in entries)
{
task.Progress = index / (float)entries.Length;
task.Message = $"Extracting {entry.Name}";
using var outFile = OpenWriteSingle(task, file, _ => entry.Name);
outFile.Write(_arcLzDecoder.Decode(entry.Data));
outFile.Flush();
}
});
return true;
}));
}
public ArcFile Decompress(ArcFile file)
{
var data = file.CompressedSize == file.DecompressedSize
? file.Data.ToArray()
: _arcLzDecoder.Decode(file.Data);
return(new ArcFile
{
Name = file.Name,
DecompressedSize = data.Length,
CompressedSize = data.Length,
Data = data
});
}