CircleController

--Circle 2.0 Controller
--NAPTlME

rednet.open('right')

function isOdd(n)
  if n%2==1 then
    return true
  else
    return false
  end
end

while true do
  print("Please enter a diameter between 4 and 88")
  print("Or type down")
  repeat
    input = read()
    if input == "down" then
      rednet.broadcast(input)
    end
    diameter = tonumber(input)
  until diameter
  if diameter then
    rednet.broadcast(diameter)
    radius = math.floor(diameter/2)
    print("Placing Cylinder with radius of "..radius..".")
    if isOdd(diameter) then
      print("Please use 4 turtles with one placed at the corner of a chunk and the others making a 15x15 square")
    else
      print("Please use 4 turtles placed at corners of central chunk.")
    end
    print("And ensure that desired block is in the last slot")
    print("Turtles will place blocks from left to right.")
    if diameter > 80 then
      print("Remain in center chunk to prevent chunk unloading")
    end
    repeat
      term.clearLine()
      id, msg = rednet.receive()
      if msg == "empty" then
        term.write("Please insert more blocks")
      end
      maximum = tonumber(msg)
    until maximum
    print()
    print("Please enter a height between 1 and "..maximum)
    print("Or type 'cancel'")
    repeat
      var = read()
      if var == "cancel" then
        break
      end
      input = tonumber(var)
    until input
    rednet.broadcast(input)
    print("Constructing a cylinder with diameter of "..diameter.." and height of "..input)
  end
  if var ~= 'cancel' then
    repeat
      id,msg = rednet.receive()
    until msg == "Done"
  end
end