-- ###########################
-- auto_craft
-- version 0.2.1
-- http://hevohevo.hatena.com/
-- ###########################

-- ###########################
-- Turtle position (Side view)
-- T: crafty turtle, M: chest for materials, P: chest for products

-- M
-- T
-- P

-- ###########################
-- config
MATERIAL_SLOT = 1
PRODUCT_SLOT = 4

-- ###########################
-- functions

function dropItems(begin_slot, end_slot)
  print(\'drop items: slots \',begin_slot,\'-\',end_slot)
  for i=begin_slot, end_slot do
    turtle.select(i)
    turtle.dropDown()
  end
  turtle.select(1)
end

function getMaterials()
  turtle.select(MATERIAL_SLOT)
  if turtle.getItemCount(MATERIAL_SLOT) ==0 and turtle.suckUp() then
    print(\' Success: suckUp\')
    return true
  else
    print(\' Failed: suckUp\')
    return false
  end
end

function craft1x1()
  -- repeat 1x1-craft while material > 0
  while  turtle.getItemCount(MATERIAL_SLOT) >0 do
    if turtle.craft(0) == false then break end
    turtle.select(PRODUCT_SLOT)
    turtle.craft()
    turtle.dropDown()
  end
end

-- ###########################
-- main
dropItems(1,16)
while getMaterials() do
  craft1x1()
  dropItems(1,4)
end
dropItems(1,16)