Room Turtle Program

local tArgs = { ... }

if #tArgs ~= 3 then
  print("Usage: room <l> <w> <h>")
  return false
end

for i=1,3 do
  if tonumber(tArgs[i]) < 1 then
    print("Usage: room <l> <w> <h>")
    return false
  end
end

length = tArgs[1]
width = tArgs[2]
height = tArgs[3]

turtle.select(1)
turtle.refuel()

if turtle.getFuelLevel() < 150 then
  print("Fuel level too low.")
  return false
end

function findItems()
  local slot = 2
  while slot < 16 do
    if turtle.getItemCount(slot) < 1 then
      slot = slot + 1
    else
      turtle.select(slot)
      return true
    end
  end
  return false
end

function buildRow(rowLen)
  for i = 1, rowLen, 1 do
    findItems()
    turtle.placeDown()
    turtle.forward()
  end
end

function buildLayer()
  turtle.up()
  buildRow(length)
  turtle.turnRight()
  buildRow(width)
  turtle.turnRight()
  buildRow(length)
  turtle.turnRight()
  buildRow(width)
  turtle.turnRight()
end

for i=1, height, 1 do
  buildLayer()
end