So I'm trying to RNG an Aerodactyl on HGSS. I'm aiming for seed A10D01FA, frame 63 at 13:17:00 on 2012/21/12. My question is: how do I take moving NPCs into account when I speak to the guy to pick up my fossil? I know I'm using method 1 because it is a gift pokemon, but how do I take moving...