private void SaveFolder(DirectoryNode Root, ushort parent, ref uint block)
{
foreach (var node in Root)
{
StfsFile.FileDescriptor desc = new StfsFile.FileDescriptor();
if (node.Name.Length > 0x3F)
{
throw new FormatException();
}
desc.Name = node.Name;
desc.Flags = (byte)desc.Name.Length;
desc.Flags |= 0x40; // Unknown bit, seems to be set.
desc.Parent = parent;
Stfs.Files.Add(desc);
if (node is DirectoryNode)
{
desc.Flags |= 0x80;
SaveFolder(node as DirectoryNode, (ushort)Stfs.Files.IndexOf(desc), ref block);
}
else if (node is FileNode)
{
FileNode file = node as FileNode;
desc.Size = (uint)file.Size;
desc.Block = block;
desc.BlockSize = (uint)(Util.RoundUp(file.Size, StfsFile.BlockSize) / StfsFile.BlockSize);
desc.Data = file.Data;
block += desc.BlockSize;
}
}
}
public StfsArchive(Stream stream)
{
Stfs = new StfsFile(stream);
Root = new DirectoryNode();
Dictionary <int, DirectoryNode> Directories = new Dictionary <int, DirectoryNode>();
Directories.Add(0xFFFF, Root);
for (int i = 0; i < Stfs.Files.Count; i++)
{
StfsFile.FileDescriptor file = Stfs.Files[i];
DirectoryNode parent = Directories[file.Parent];
if ((file.Flags & 0x80) != 0)
{
DirectoryNode directory = new DirectoryNode(file.Name);
parent.AddChild(directory);
Directories.Add(i, directory);
}
else
{
parent.AddChild(new FileNode(file.Name, file.Size, new Substream(Stfs.Stream, Stfs.Stream.GetBlockOffset(file.Block), file.Size)));
}
}
}
