wither skele farm.lua

--[[USER CONFIG VARIABLES]]

MONITOR_NAME = "monitor_0" --gathered by using a wired modem; alternatively, directly connect the monitor to the computer
WITHER_OFF_TIME = 5 --in seconds; how long the cooldown is before spawner turns on
WITHER_ON_TIME = 10 --in seconds; how long the spawner stays on per cycle
RS_OUT = "right" --string relative side
START_ON = true

--[[----------------------------------------------------------------]]

local monitor = peripheral.wrap(MONITOR_NAME) --Initialize monitor

if not monitor then --Check if monitor is wired, adjacent, or missing
    monitor = peripheral.find("monitor")
    if not monitor then
        error("Monitor not found! Double check peripheral name.")
    end
end



term.clear()
term.setCursorPos(1,1)
term.write("Running!") --Give an output to computer before swapping print output to monitor

term.redirect(monitor)
local switch = START_ON
local userSwitch = START_ON
rs.setOutput(RS_OUT, switch)
local eng = {[true] = "Running", [false] = "OFF"} --Used to translate bools to ON/OFF for user readability
local offTimer = os.startTimer(WITHER_ON_TIME)
local onTimer --to be initialized later

local function termDraw()
    term.clear()
    term.setCursorPos(1,1)
    write("Wither Skeleton Farm")
    term.setCursorPos(4, 4)
    write("\n STATUS: " .. eng[switch])
end

function Main() --Event handling and loop
    termDraw()
    rs.setOutput(RS_OUT, switch)
    while true do
        local e, p = os.pullEvent()
        if e == "timer" and p == offTimer then
            if switch and userSwitch then
                switch = false
                onTimer = os.startTimer(WITHER_OFF_TIME)
                Main()
            end
        elseif e == "timer" and p == onTimer then
            if not switch and userSwitch then
                switch = true
                offTimer = os.startTimer(WITHER_ON_TIME)
                Main()
            end
        elseif e == "monitor_touch" then
            switch = not switch
            userSwitch = switch
            Main()
        end
    end
end
Main()