You can see places in the Q2 code where it has been incrementally tweaked a bunch. The player movement code got a bunch of changes, and you can see blocks of it

You can see places in the Q2 code where it has been incrementally tweaked a bunch. The player movement code got a bunch of changes, and you can see blocks of it that are commented out or have #if 0. There are some comments explaining the thought process, but it’s not very clear.