I was looking for help with radius visualisation as well and found this post. Maybe you also still need this. I was able to add a visualisation area by adding the radius_visualisation_specification property to my new assembling-machine prototype like this: radius_visualisation_specification = { spri...

Is there a way to add a unit to a spawner after it has been removed from a spawner with LuaEntity.release_from_spawner() The only way I found, is to set the unit command to wandering and wait. but there is no trigger event to check when the unit has been reassigned to a spawner and it might take som...

in the control stage, recipes are unlocked for forces. You can disable the old recipes for the force of the research trigger event. script.on_event(defines.events.on_research_finished, function(event) if event.research.name == "deep-mine-MKX1" then local force = event.research.force force....

+1 I just found this request as I had the same issue with the artillery turret attacking enemy "dummy target entities" of the simple-entity-with-force prototype. I could also use the combat-robot or land-mine prototype workaround to keep the artillery from firing at the dummy entities but ...