Why do you need another controller and how would it behave compared to the current controllers?

Curiosity at first
I was having a look at the factorio API in order to check if it was possible to control the player as a human would do (move, see, point, click, stroke a key). The behind purpose is ...

Hi,

There are 3 defines.controllers: ghost, character and god.

Is it possible to implement new controllers via LUA ?

Thanks