public void UnpackFromKey(FileEntryKey entryKey)
{
string entryPath = _volume.GetEntryPath(entryKey, ParentDirectory);
if (string.IsNullOrEmpty(entryPath))
{
Program.Log($"Could not determine entry path for Entry key at name Index {entryKey.NameIndex}");
return;
}
string fullEntryPath = Path.Combine(OutDir ?? string.Empty, entryPath);
if (entryKey.Flags.HasFlag(EntryKeyFlags.Directory))
{
if (_fileIndexesToExtract.Count == 0) // Make sure not to spam when not needed
{
if (!_volume.IsPatchVolume || _volume.NoUnpack)
{
Program.Log($"[:] Entering Directory: {entryPath}");
}
}
var childEntryBTree = new FileEntryBTree(_volume.TableOfContents.Data, (int)_volume.TableOfContents.RootAndFolderOffsets[(int)entryKey.EntryIndex]);
var childUnpacker = new EntryUnpacker(_volume, OutDir, entryPath, _fileIndexesToExtract);
childEntryBTree.TraverseAndUnpack(childUnpacker);
}
else
{
if (_fileIndexesToExtract.Count != 0 && !_fileIndexesToExtract.Contains((int)entryKey.EntryIndex))
{
return;
}
if (!_volume.IsPatchVolume || _volume.NoUnpack)
{
Program.Log($"[:] Extracting: {entryPath}");
}
var nodeBTree = new FileInfoBTree(_volume.TableOfContents.Data, (int)_volume.TableOfContents.NodeTreeOffset);
var nodeKey = new FileInfoKey(entryKey.EntryIndex);
uint nodeIndex = nodeBTree.SearchIndexByKey(nodeKey);
if (nodeIndex != FileInfoKey.InvalidIndex)
{
_volume.UnpackNode(nodeKey, fullEntryPath);
}
}
}
/// <summary>
/// Loads the table of contents from the underlaying stream.
/// </summary>
/// <returns></returns>
public bool LoadTOC()
{
var sr = new SpanReader(Data, Endian.Big);
byte[] magic = sr.ReadBytes(4);
if (!magic.AsSpan().SequenceEqual(SEGMENT_MAGIC.AsSpan()))
{
Program.Log($"Volume TOC magic did not match, found ({string.Join('-', magic.Select(e => e.ToString("X2")))})");
return(false);
}
NameTreeOffset = sr.ReadUInt32();
FileExtensionTreeOffset = sr.ReadUInt32();
NodeTreeOffset = sr.ReadUInt32();
uint entryTreeCount = sr.ReadUInt32();
RootAndFolderOffsets = new List <uint>((int)entryTreeCount);
for (int i = 0; i < entryTreeCount; i++)
{
RootAndFolderOffsets.Add(sr.ReadUInt32());
}
FileNames = new StringBTree(Data, (int)NameTreeOffset);
FileNames.LoadEntries();
Extensions = new StringBTree(Data, (int)FileExtensionTreeOffset);
Extensions.LoadEntries();
FileInfos = new FileInfoBTree(Data, (int)NodeTreeOffset);
FileInfos.LoadEntries();
Files = new List <FileEntryBTree>((int)entryTreeCount);
for (int i = 0; i < entryTreeCount; i++)
{
Files.Add(new FileEntryBTree(Data, (int)RootAndFolderOffsets[i]));
Files[i].LoadEntries();
}
return(true);
}
