It's pretty simple. And it happens further away from the entrances.
If coming from the parking garage (also where shuttles drop you off) it's before you get into citywalk. If coming from the pathways from RPR on one side or HRH and PBH on the other side, it's just before you hit the citywalk area. If comin. From a boat from those hotels, the boat captain (pilot?) does it before you get on the boat. So you don't get the huge lines like at wdw.