Path table extraction

[markisha64]

Some games have obfuscated file systems such that while the path table contains most info about directories,
those directories won't be accessible from the root directory.

I've added the pathTable option that instead of going recursively through the file system, goes recursively through the path table and reads files from folder offset.

This causes some issues during repacking, as since the file system was obfuscated, game probably reads files by going to sector offset. I've fixed this by supplying the exact offset that the file was read to in the xml file, and writing that file to the written offset (if it exists, otherwise calculated).

This mr is potentially very good for modding, as it will allow more games to be unpacked, modified and repacked. (currently only tested on dmw3)

My c++ isn't very good so if you see anything stinky, please do request changes.

[CookiePLMonster]

The general idea seems solid, especially since it's hidden behind a flag as most people are unlikely to need it - but for some reason formatting is all over the place making it hard to read and review. Would be good to get this fixed before merging.

[markisha64]

but for some reason formatting is all over the place making it hard to read and review

this is kind of a project wide problem, the tabs and indentations are all over the place and when I started it was really hard to follow, something should be eventually done about this, but it's out of scope for the pr

[CookiePLMonster]

Generally looks fine now, a few final comments from me and after that I'll approve. I poked @spicyjpeg to also have a look. I also think for merging this should be squashed, no need to keep all the fixup commits.

[CookiePLMonster]

Looks good now. I'll run it against my test suite and merge if nothing regressed.

[CookiePLMonster]

All tests passed as before - I've not checked dumpsxiso but it should be fine too.