About The Pull Request
Currently there's a very easy way of making it so that if you don't roll antag, you aren't playing the game and can just go observe and hope for ghostroles.
Have every job set to never, have return back to lobby if preference unavailable set, and antags enabled.
if you roll antag, you get a job or the antag, if you don't, back to lobby.
If you think this is a good idea and go do this, know it's against the rules and if you get caught you'll be banned.
What this PR does is validate that you have at least one job enabled before ever even adding you to the pool of potential players, if you have "return to lobby" set. If this happens, you'll get a notification and an admin will be notified if you also had antags on.
Either of the other "my pref was unavailable options" you can have all jobs set to never just like before and you'll get your random role.
Why It's Good For The Game
Prevents some abuse that can easily be closed on the game code end.
Rob Bailey
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