Lift Controller--Minecraft-Warp Drive Mod

---Lift Controller
---Original by Baumstamm
---Edited by MarsGame


---Define Settings
monitorSide= "top" ---where is the monitor
liftSide= "left" ---where is the lift
fontScale= 0.5 ---set font scale, default is perfect for 1 block widh monitors
landTime= 3 ---how long to wait before switching back to UP-Mode

---Further down is the Code for the program, you don't need to change there anything, as the program should work perfectly.

---Check for Advanced Computer
if not term.isColor() then
    print("Advanced computer required")
    error()
end


---Set Settings
monitor = peripheral.wrap(monitorSide)
lift = peripheral.wrap(liftSide)
monitor.setTextScale(fontScale)
term.setBackgroundColor(colors.lightGray)
term.clear()


---System Variables
liftON=""
liftMODE="up"
xSize, ySize = term.getSize()


---create Funktions
function lift_land()
    lift.mode("down")
    liftMODE="down"
    writeToScreen()
    sleep(landTime)
    lift.mode("up")
    liftMODE="up"
    writeToScreen()
end

function lift_on()
    lift.enable(true)
    liftON=true
    writeToScreen()
end

function lift_off()
    lift.enable(false)
    liftON=false
    writeToScreen()
end

function startup()
    if lift.enable() then
        liftON=true
    else
        liftON=false
    end
    writeToScreen()
end

function writeToScreen()
    local text = "Lift Contr."

    if liftON then
        term.setBackgroundColor(colors.green)
        term.clear()

        term.setBackgroundColor(colors.red)
        term.setCursorPos((xSize/2)-(text:len()/2)+1,1)
        print(text)

        if liftMODE == "up" then
            term.setBackgroundColor(colors.lightGray)
            text="Lift Down"
            term.setCursorPos((xSize/2)-(text:len()/2)+1,3)
            print(text)
        else
            term.setBackgroundColor(colors.red)
            text="! Lift Down !"
            term.setCursorPos((xSize/2)-(text:len()/2)+1,3)
            print(text)
        end

        term.setBackgroundColor(colors.orange)
        text="Turn LIFT off"
        term.setCursorPos((xSize/2)-(text:len()/2)+1,5)
        print(text)
    else
        term.setBackgroundColor(colors.red)
        term.clear()

        term.setBackgroundColor(colors.red)
        term.setCursorPos((xSize/2)-(text:len()/2)+1,1)
        print(text)

        term.setBackgroundColor(colors.green)
        text="Turn LIFT on"
        term.setCursorPos((xSize/2)-(text:len()/2)+1,5)
        print(text)
    end

end

function resizeMonitor()
    while true do
        local event, side = os.pullEvent("monitor_resize")
        os.reboot()
    end
end

---Start Programm
parallel.waitForAny(resizeMonitor, startup)

---Check for Input
while true do
    event,side,x,y=os.pullEvent("monitor_touch")
    if x>0 and x<xSize and y==3 and liftON then
        lift_land()
    elseif x>0 and x<xSize and y==5 and not liftON then
        lift_on()
    elseif x>0 and x<xSize and y==5 and liftON then
        lift_off()
    end
end