autocraft [OpenComputers]

function r(n, a, b)
  if n == 1 then return {a, a, a, a, b, a, a, a, a}
  elseif n == 2 then return {a, 0, 0, a} --палка
  elseif n == 3 then return {a, a, a} --ступенька
  elseif n == 4 then return {a, a, 0, a, a} --верстак/глина
  elseif n == 5 then return {a, a} --нажимная пластина
  elseif n == 6 then return {a, a, a, a, a, a} --забор
  elseif n == 8 then return {a, a, a, a, 0, a, a, a, a} --сундук
  elseif n == 9 then return {a, a, a, a, a, a, a, a, a} --блок
  elseif n == 10 then return {a, 0, 0, a, a, 0, a, a, a}

  elseif n == 11 then return {a, 0, 0, b, 0, 0, b} --shovel
  elseif n == 12 then return {a, a, a, 0, b, 0, 0, b} --pickaxe
  elseif n == 13 then return {a, a, 0, a, b, 0, 0, b} --axe
  elseif n == 14 then return {a, a, 0, 0, b, 0, 0, b} --hoe
  elseif n == 15 then return {a, 0, 0, a, 0, 0, b} --sword

  elseif n == 16 then return {a, a, a, a, 0, a} --шапка
  elseif n == 17 then return {a, 0, a, a, a, a, a, a, a} --куртка
  elseif n == 18 then return {a, a, a, a, 0, a, a, 0, a} --штаны
  elseif n == 19 then return {a ,0, a, a, 0, a} --ботинки

  elseif n == 20 then return {a, a, 0, a, a, 0, a, a} --door
  end
end

local recipe = {
  ["minecraft:furnace"] = r(8, "minecraft:cobblestone")
}

local slots = {1, 2, 3, 5, 6, 7, 9, 10, 11}

local component = require('component')
local robot = require('robot')
local i_c = component.inventory_controller

function findItems(fitem, side)
  for i = 1, i_c.getInventorySize(side) do
    if i_c.getStackInSlot(side, i) ~= nil then
      if i_c.getStackInSlot(side, i).name == fitem then
        i_c.suckFromSlot(side, i, 1)
        break
      end
    end
  end
end

function crafting(sItem, nMeta)
  for s = 1, #recipe[sItem] do
    robot.select(slots[s])
    findItems(recipe[sItem][s], 3)
  end
  robot.select(16)
  if component.crafting.craft(64) == false then
    for d = 1, 9 do
      robot.select(slots[d])
      robot.drop()
    end
    return false
  end
  robot.select(1)
end

crafting('minecraft:furnace')