ComputerCraft Tutorial: cultivate0_2

-- ########################
-- cultivate <n>
-- version 0.2
-- ########################

-- #############
-- config
ARGS = {...}
MAX = ARGS[1]
SEED_SLOT = 1
MEAL_SLOT = 2

-- ##################
-- define functions
function plantSeed()
  turtle.select(SEED_SLOT)
  if turtle.place() then
    return true
  else
    print('failed: plantSeed')
    return false
  end
end

function useMeals()
  if turtle.getItemCount(MEAL_SLOT) < 4 then
    print('failed: useMeals (meal < 4)')
    return false
  else
    turtle.select(MEAL_SLOT)
    turtle.place()
    turtle.place()
    turtle.place()
    return true
  end
end

function harvest()
  turtle.select(SEED_SLOT)
  turtle.dig()
end

-- ##################
-- Main
turtle.dig()
for i=1,MAX do
  print(i,'/',MAX)

  if plantSeed() == false then break end
  if useMeals() == false then break end

  harvest()
end