Level

local MODEM_SIDE = "back"
local LEVEL_ID = 2;
local SERVER_ID = 1;

rednet.open(MODEM_SIDE);

parallel.waitForAll(
    function()
        while true do
            local id, message = rednet.receive();

            if message == true then
                redstone.setOutput("top", true)
            elseif message == false then
                redstone.setOutput("bottom", true)
            else
                if message[1] == LEVEL_ID then
                    rednet.send(SERVER_ID, LEVEL_ID);
                end
                if message == "stop" then
                    redstone.setOutput("top", false);
                    redstone.setOutput("bottom", false);
                end
            end
        end
    end,

    function()
        while true do
            if redstone.getInput("right") then
                rednet.send(SERVER_ID, LEVEL_ID);
                repeat os.sleep() until not redstone.getInput("right")
            end

            os.sleep();
        end
end)