[{HVY-E}Jinxx]

Ok... kind of Emu'ed myself, forgot to see 1st page.

So, you'll have to find the code for blackout's and modify it to accept altitude as imput and other outputs like loss of limb strenght, speed of blackout, etc...

And if you want something more complete/detailed:

-Does plane have O2 bottles.
- O2 bottle empty/full/damaged/undamaged, plus apropiate working gauges.
- is the cockpit pressurized, and undamaged/damaged.
- Ability to put mask on or off, since O2 would now be finite.
-All planes must be modded in accordance to the points above.

Fortunately, as of right now, the only plane with a pressurized cabin is the B29, so that's one problem out of the way.
I think the list of planes without bottles would be much smaller.
Game already puts the mask on at altitude and takes it off when below.
The check for O2 use would be tied to this event.
All planes with O2 would start with the counter at 100 (100%) and would drop at a predetermined rate. That rate would be accelerated if the system were damaged.
Figuring out how and why to compute damage to the O2 system would be the hard part.