[Minecraft] Mass Crafter

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-- First argument is the number of craft per time.
-- The following arguments are the slots that you want to skip based on turtle slot index.
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local args = {...}
local iterations = 1
local numOfItemsPerCraft = tonumber(args[1]) or 64
if numOfItemsPerCraft > 64 then numOfItemsPerCraft = 64 end

local defaultSlots = {1,2,3,5,6,7,9,10,11} -- Minecraft default crafting slots
local craftingSlots = {} -- actual slot that craft
local slotsToSkip = {}
if args[2] then
	for i = 2, #args do
		slotsToSkip[i-1] = args[2]
	end
	local skipIndex = 1
	for i = 1, 9 do
		if defaultSlots[i] == slotsToSkip[skipIndex] then
			skipIndex = skipIndex + 1
		else
			craftingSlots[#craftingSlots+1] = defaultSlots[i]
		end
	end
else
	craftingSlots = defaultSlots
end


function suckItems()
	--print("Start sucking items")
	for i = 1, #craftingSlots do
		turtle.select(craftingSlots[i])
	    local itemCount = turtle.getItemCount()
	    while itemCount < numOfItemsPerCraft do
			local isSuccess = turtle.suckDown(numOfItemsPerCraft-itemCount)
			if isSuccess then itemCount = turtle.getItemCount()
			else sleep(3) end
		end
	end
	craftAndDropItems()
end

function craftAndDropItems()
  --print("Start crafting items")
  turtle.select(16)
  turtle.craft()
  turtle.drop()
  iterations = iterations + 1
  if iterations > 64 then
    os.reboot() -- to avoid bug
  else
    suckItems()
  end
end

suckItems()