parede

-- Usage: wall length height

input = {...}
wallLength = tonumber(input[1])
wallHeight = tonumber(input[2])

currentSlot = 1

function gotoNextSlotIfEmpty()
  if turtle.getItemCount(currentSlot) == 0 then
    currentSlot = currentSlot + 1
    turtle.select(currentSlot)
  end
end

turtle.select(currentSlot)
gotoNextSlotIfEmpty()
gotoNextSlotIfEmpty()
turtle.up()

for height = 1, wallHeight do

  for length = 1, wallLength do
    turtle.placeDown()
    gotoNextSlotIfEmpty()
    if length ~= wallLength then
      turtle.forward()
    end
  end

  if height ~= wallHeight then
    turtle.turnRight()
    turtle.turnRight()
    turtle.up()
  end
end