[Suggestion] Add duck jumping

[csd-was-taken]

I know that's more a valve thing than a quake thing, but it would be nice

Technically in the source engine, crouching then jumping gives you a smidge more height than jumping first. but just letting either give you 1.5 blocks clearance is probably good lol

[polina4096]

How about a disabled-by-default option which enables it?

Should it give you a bit more jump height if you press shift right before jumping? Could you give more details about how the duck jumping works?

Not sure I have enough time to look into the Source engine right now.