default/fusion-lab/menu-simulations/menu-simulation-fusion-lab.lua

require("__fusion-lab__.control")

local sim_planet = game.surfaces.fulgora
local tick = 0
local heat_interfaces = {}

for _, ent in pairs(sim_planet.find_entities_filtered{name = 'fusion-lab-heat-interface'})
do
	table.insert(heat_interfaces, ent)
	ent.set_heat_setting{temperature=705, mode="exactly"}
end

-- compatibility for mods that add extra science packs (like nuclear science),
-- we just cheat those into the labs to get them running
for _, ent in pairs(sim_planet.find_entities_filtered{name = 'fusion-lab'})
do
	for _, science_pack in pairs(ent.prototype.lab_inputs)
	do
		if ent.get_item_count(science_pack) == 0
		then
			ent.insert{name = science_pack, count = prototypes.item[science_pack].stack_size}
		end
	end
end

script.on_nth_tick(1, function()
	tick = tick + 1
	if tick >= 240
	then
		for _, ent in pairs(heat_interfaces)
		do
			if math.random() > 0.95
			then
				ent.set_heat_setting{temperature=715, mode="exactly"}
			end
		end
	end
end)