Celestial

local component = require("component")
local event = require("event")
local sides = require("sides")


local function message(event, address, name, message)
    if message:lower() == "!rain" then
        local redstone = component.redstone

        redstone.setOutput(sides.south, 15)
        os.sleep(1)
        redstone.setOutput(sides.south, 0)
    end
end


function start()
    event.listen("chatMessage", message)
end


function stop()
    event.ignore("chatMessage", message)
end