launchroom

local modem = peripheral.wrap('top')
modem.open(69)

function clear()
    redstone.setBundledOutput('back', 0)
end

function drawScreen()
    term.clear()
    term.setCursorPos(1,1)
    term.write('Mission Control')

    term.setCursorPos(3,3)
    term.write('E. Call elevator.')
    term.setCursorPos(3,4)
    term.write('O. Open launch doors.')
    term.setCursorPos(3,4)
    term.write('C. Close launch doors.')
end

function doElevator()
    redstone.setBundledOutput('back', colors.white)
    sleep(15)
    clear()
    sleep(3)
    redstone.setBundledOutput('back', colors.orange)
    sleep(15)
    clear()
end

function doLaunch()
    redstone.setBundledOutput('back', colors.magenta)
    sleep(5)
    clear()
    sleep(2)

    redstone.setBundledOutput('back', colors.yellow)
    sleep(6)
    clear()
end

function closeLaunch()
    redstone.setBundledOutput('back', colors.lime)
    sleep(6)
    clear()
    sleep(2)

    redstone.setBundledOutput('back', colors.lightBlue)
    sleep(6)
    clear()
end

while true do
    drawScreen()
    local event, character, _, _, message, _ = os.pullEvent()

    if event == 'modem_message' then
        if message == 'go' then
            doElevator()
        end
    elseif event == 'char' then
        if character == 'e' then doElevator() end
        if character == 'o' then doLaunch() end
        if character == 'c' then closeLaunch() end
    end
end