IFS LayeredFS
Never repack an IFS again. Full usage instructions available at your forum of choice.
This code has grown organically and is some of the worst C that I have ever distributed. The code itself is more or less fine, but the organisation leaves a lot to be desired. There are many vestigal remains of past AVS experiments.
Built with Visual Studio 2017, but should build with any sane C++ compiler. Feel free to open an issue if this is not the case.
I encourage pull requests, but might take a while to properly test them prior to merge. If you can show your PR works with SDVX/IIDX < 24/IIDX >= 25, I will probably accept it.
Please read the LICENSE. It is nonstandard.