So I tired to fiddle with cheat engine and replace 43700000 with 43800000 and 43A in hopes that it will remove the black bars on 16:10 and 4:3. But so far no luck.
Hopefully there is a way to remove the black bars. Maybe instead of removing and cropping the game horizontall on 16:10 and 4:3, it might be possible to gain extra vertical FOV as well.
Edit: Actually I did make some progress.
I was able to change the aspect ratio via cheat engine:
But as you can see, the black bars aren't gone. The game was running at 4:3, stretched to 16:9 which is letter boxed on my 16:10 resolution.
If only there's a way to remove the black bar. ACtually if its possible to just remove the black bar, we don't even have to change the FOV then. Cause removing black bars will then give more vertical view.
Edit 2:
Unfortunately this thing is only working on borderless window mode now.
Also I can only find this value on cheat engine.
The memory address 16506A74 isn't present when viewing the exe with regular hexeditor.
Also the image is still squished to 16:9 aspect ratio. Selecting a 16:9 resolution ingame won't work either/