I just watched 2 spitters attacking a slew of rocks instead of advancing towards my base. There was plenty of room for them to go around as they were single rocks, not a cluster or a cliff. Screenshot included. They kept attacking those two rocks (plus about a dozen others on their way) for no ...

TL;DR
Is there a way to add wires to assemblers and chemical plants to select a recipe?


What ?
I'm building a cell-based factory, so I have a lot of assemblers in one location building the same thing. It would be a lot easier to plant a blueprint with a constant combinator attached to all the ...