[CC] Defense System

local side = "back" -- Change this to the side the transmitter is on

-- DEFENSE SYSTEM
-- Version: 1.4
-- Code by: Nyaar

local status = rs.getOutput(side)
local loop = true
local bRead = true
local w,h = term.getSize()

function printC(str, y)
 term.setCursorPos(1,y)
 term.clearLine()
 term.setCursorPos(w/2 - #str/2, y)
 term.write(str)
end

function printLB(str, y)
 term.setCursorPos(1, y)
 print(string.rep(str, w-1))
end

function logo(status)
term.clear()
term.setCursorPos(1,1)
local sStatus = ""
if (status == true) then
 printLB("=",1)
 print("|  Defense System             Status: Unarmed  |")
 printLB("=",3)
 sStatus = "arm"
else
 printLB("=",1)
 print("|  Defense System               Status: Armed  |")
 printLB("=",3)
 sStatus = "disarm"
end

printC("Press ENTER to "..sStatus.." system.", 5)
printC("Press BACKSPACE to quit.",6)
end

while (loop) do
logo(status)
bRead = true
while (bRead) do
 local sEvent, param = os.pullEventRaw("key")
 if (sEvent == "key") then
  if (param == 28) then
   status =  not status
   rs.setOutput(side,status)
   bRead = false
  elseif (param == 14) then
   bRead = false
   loop = false
  end
 end
end
end

term.clear()
term.setCursorPos(1,1)