Multifloor Listener V0.1

--Multifloor Listener V0.1 by QQII
--Declerations
local Arguments = { ... }           --Program arguments
local currentFloor = tonumber(Arguments[1])
local modem = peripheral.wrap("right")      --Wraps the modem on the right side.
local block = 0                 --Slot that contains a block

--Initial
if currentFloor == null then
    print("ERROR: currentFloor = null")
    return
end

if (not modem) or (peripheral.getType("right") ~= "modem") then
    print("ERROR: no wireless modem found")
    return
end

for i = 1,16 do
    if turtle.getItemCount(i) ~= 0 then
        block = i
    end
end
if block == 0 then
    print("ERROR: no blocks found")
    return
else
    turtle.select(block)
end
modem.open(1000)

--Main Loop
while true do
    local event, modemSide, senderChannel, replyChannel, message, senderDistance = os.pullEvent("modem_message")
    if message == currentFloor then
        turtle.place()
        os.sleep(10)
        turtle.dig()
    end
end