First we create a prop_vehicle_apc and a npc_apcdriver that will be driving it. After setting those two up, we create some path_corner entities to set up a path the APC will be driving along.
Then we just make a logic_auto to trigger the npc_apcdriver to start driving when the map spawns, compile and we're done!
Please give me a comment telling me what you think.
Also, don't forget to give me tutorial requests!