If you see another man's dick in the shower room, then you know your in the right locker room.
If you're looking at another man's dick in the shower room, your gay.
So, I would say, stop whining and take a shower. How does a man get in one of those tiny showers, get undressed, take a shower, towel dry and come out fully dressed?
At the university there is an open shower. I've seen men actually take a shower in there underwear.
Probably, if you don't want anyone to see your dick, you've probably got no dick anyway.