public PAKFile(PAKResourcePool pool, PAKDirectory parent, PAKArchiveEntry entry)
{
this.pool = pool;
Parent = parent;
Path = entry.path;
this.entry = entry;
}
public PAKResourcePool(Stream stream)
{
this.stream = stream;
using var reader = new BinaryReader(stream, BinaryIOExtension.Encoding, true);
if (reader.ReadUInt32() != 0)
{
throw new InvalidDataException("Invalid PAKArchive magic");
}
var root = new PAKDirectory(this, null, new FilePath(""));
Root = root;
uint fileCount = reader.ReadUInt32();
var directories = new Dictionary <FilePath, PAKDirectory>();
directories.Add(root.Path, root);
for (uint i = 0; i < fileCount; i++)
{
var entry = PAKArchiveEntry.ReadNew(reader);
var dir = GetOrCreateDirectoryFor(entry.path.Parent);
var file = new PAKFile(this, dir, entry);
dir.FileList.Add(file);
}
PAKDirectory GetOrCreateDirectoryFor(FilePath?path)
{
if (path == null || !path.StaysInbound || path == "")
{
return(root !);
}
else if (directories !.TryGetValue(path, out var prevDir))
{
return(prevDir);
}
var dirsToCreate = new Stack <string>();
dirsToCreate.Push(path.Parts.Last());
var curParentPath = path.Parent;
PAKDirectory?curParent = null;
while (curParentPath != null && curParentPath.StaysInbound)
{
if (directories.TryGetValue(curParentPath, out curParent))
{
break;
}
dirsToCreate.Push(curParentPath.Parts.Last());
curParentPath = curParentPath.Parent;
}
if (curParent == null)
{
curParent = root !;
}
while (dirsToCreate.Any())
{
var newPath = curParent.Path.Combine(dirsToCreate.Pop());
var prevParent = curParent;
curParent = new PAKDirectory(this, prevParent, newPath);
prevParent.DirectoryList.Add(curParent);
directories.Add(newPath, curParent);
}
return(curParent);
}
baseOffset = stream.Position;
}
