minetest-scripts/recipes.lua

local recipes = {
  ["technic:mv_centrifuge"] = {
    craft = {
      {"basic_materials:motor", "technic:copper_plate", "technic:diamond_drill_head"},
      {"technic:copper_plate", "technic:machine_casing", "technic:copper_plate"},
      {"pipeworks:one_way_tube", "technic:mv_cable", "pipeworks:mese_filter"}
    }
  },
  ["basic_materials:motor"] = {
    craft = {
      {"default:mese_crystal_fragment", "basic_materials:copper_wire", "basic_materials:plastic_sheet"},
      {"default:copper_ingot", "default:steel_ingot", "default:steel_ingot"},
      {"default:mese_crystal_fragment", "basic_materials:copper_wire", "basic_materials:plastic_sheet"}
    },
    produces = 2
  },
  ["technic:copper_plate"] = {
    compress = {
      item = "technic:copper_ingot",
      amount = 5
    }
  },
  ["technic:diamond_drill_head"] = {
    craft = {
      {"technic:stainless_steel_ingot", "default:diamond", "technic:stainless_steel_ingot"},
      {"default:diamond", "", "default:diamond"},
      {"technic:stainless_steel_ingot", "default:diamond", "technic:stainless_steel_ingot"}
    }
  },
  ["technic:stainless_steel_ingot"] = {
    alloy = {
      ["technic:carbon_steel_ingot"] = 3,
      ["technic:chromium_ingot"] = 1
    },
    produces = 4
  },
  ["technic:carbon_steel_ingot"] = {
    alloy = {
      ["default:steel_ingot"] = 1,
      ["technic:coal_dust"] = 1
    }
  },
  ["technic:machine_casing"] = {
    craft = {
      {"technic:cast_iron_ingot", "technic:cast_iron_ingot", "technic:cast_iron_ingot"},
      {"technic:cast_iron_ingot", "basic_materials:brass_ingot", "technic:cast_iron_ingot"},
      {"technic:cast_iron_ingot", "technic:cast_iron_ingot", "technic:cast_iron_ingot"}
    }
  },
  ["basic_materials:brass_ingot"] = {
    alloy = {
      ["default:copper_ingot"] = 2,
      ["technic:zinc_ingot"] = 1
    },
    produces = 3
  },
  ["technic:cast_iron_ingot"] = {
    smelt = "default:steel_ingot"
  },
  ["pipeworks:one_way_tube"] = {
    craft = {
      {"basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet"},
      {"default:stick", "default:mese_crystal", "basic_materials:plastic_sheet"},
      {"basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet"}
    },
    produces = 2
  },
  ["technic:mv_cable"] = {
    craft = {
      {"technic:rubber", "technic:rubber", "technic:rubber"},
      {"technic:lv_cable", "technic:lv_cable", "technic:lv_cable"},
      {"technic:rubber", "technic:rubber", "technic:rubber"}
    },
    produces = 3
  },
  ["technic:rubber"] = {
    alloy = {
      ["technic:raw_latex"] = 4,
      ["technic:coal_dust"] = 2
    },
    produces = 6
  },
  ["technic:raw_latex"] = {
    extract = {
      item = "technic:rubber_tree_grindings",
      amount = 4
    }
  },
  ["technic:lv_cable"] = {
    craft = {
      {"default:paper", "default:paper", "default:paper"},
      {"default:copper_ingot", "default:copper_ingot", "default:copper_ingot"},
      {"default:paper", "default:paper", "default:paper"}
    },
    produces = 6
  },
  ["default:paper"] = {
    craft = {
      {"", "", ""},
      {"default:papyrus", "default:papyrus", "default:papyrus"},
      {"", "", ""}
    },
    produces = 4
  },
  ["pipeworks:mese_filter"] = {
    craft = {
      {"default:steel_ingot", "default:steel_ingot", "basic_materials:plastic_sheet"},
      {"default:stick", "default:mese", "basic_materials:plastic_sheet"},
      {"default:steel_ingot", "default:steel_ingot", "basic_materials:plastic_sheet"}
    },
    produces = 2
  },
  ["default:mese"] = {
    craft = {
      {"default:mese_crystal", "default:mese_crystal", "default:mese_crystal"},
      {"default:mese_crystal", "default:mese_crystal", "default:mese_crystal"},
      {"default:mese_crystal", "default:mese_crystal", "default:mese_crystal"}
    }
  },
  ["default:mese_crystal_fragment"] = {
    craft = {
      {"", "", ""},
      {"", "default:mese_crystal", ""},
      {"", "", ""}
    },
    produces = 9
  },
  ["basic_materials:copper_wire"] = {
    craft = {
      {"default:copper_ingot", "basic_materials:empty_spool", ""},
      {"basic_materials:empty_spool", "", ""},
      {"", "", ""}
    },
    produces = 2
  },
  ["basic_materials:empty_spool"] = {
    craft = {
      {"basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet"},
      {"", "basic_materials:plastic_sheet", ""},
      {"basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet"}
    },
    produces = 3
  },
  ["basic_materials:plastic_sheet"] = {
    smelt = "basic_materials:paraffin"
  },
  ["basic_materials:paraffin"] = {
    smelt = "basic_materials:oil_extract"
  },
  ["technic:solar_panel"] = {
    craft = {
      {"technic:doped_silicon_wafer", "technic:doped_silicon_wafer", "technic:doped_silicon_wafer"},
      {"basic_materials:silver_wire", "technic:lv_cable", "mesecons_materials:glue"},
      {"", "", ""}
    }
  },
  ["technic:doped_silicon_wafer"] = {
    alloy = {
      ["technic:silicon_wafer"] = 1,
      ["technic:gold_dust"] = 1
    }
  },
  ["technic:silicon_wafer"] = {
    alloy = {
      ["default:sand"] = 2,
      ["technic:coal_dust"] = 2
    }
  },
  ["basic_materials:silver_wire"] = {
    craft = {
      {"moreores:silver_ingot", "basic_materials:empty_spool", ""},
      {"basic_materials:empty_spool", "", ""},
      {"", "", ""}
    },
    produces = 2
  },
  ["mesecons_materials:glue"] = {
    smelt = "technic:raw_latex"
  },
  ["technic:solar_array_lv"] = {
    craft = {
      {"technic:solar_panel", "technic:solar_panel", "technic:solar_panel"},
      {"technic:carbon_steel_ingot", "technic:lv_transformer", "technic:carbon_steel_ingot"},
      {"", "technic:lv_cable", ""}
    }
  },
  ["technic:lv_transformer"] = {
    craft = {
      {"mesecons_materials:fiber", "default:steel_ingot", "mesecons_materials:fiber"},
      {"technic:copper_coil", "default:steel_ingot", "technic:copper_coil"},
      {"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"}
    }
  },
  ["mesecons_materials:fiber"] = {
    smelt = "mesecons_materials:glue",
    produces = 6
  },
  ["technic:copper_coil"] = {
    craft = {
      {"basic_materials:copper_wire", "default:steel_ingot", "basic_materials:copper_wire"},
      {"default:steel_ingot", "", "default:steel_ingot"},
      {"basic_materials:copper_wire", "default:steel_ingot", "basic_materials:copper_wire"}
    }
  },
  ["technic:solar_array_mv"] = {
    craft = {
      {"technic:solar_array_lv", "technic:solar_array_lv", "technic:solar_array_lv"},
      {"technic:carbon_steel_ingot", "technic:mv_transformer", "technic:carbon_steel_ingot"},
      {"", "technic:mv_cable", ""}
    }
  },
  ["technic:mv_transformer"] = {
    craft = {
      {"mesecons_materials:fiber", "technic:carbon_steel_ingot", "mesecons_materials:fiber"},
      {"technic:copper_coil", "technic:carbon_steel_ingot", "technic:copper_coil"},
      {"technic:carbon_steel_ingot", "technic:carbon_steel_ingot", "technic:carbon_steel_ingot"}
    }
  },
}

local items = {
  -- ["technic:mv_centrifuge"] = 31 -- 34 minus 3 I already have
  ["technic:mv_transformer"] = 1
}

local function get_count(goal, recipe)
  local count = goal / (recipe.produces or 1)
  if count ~= math.floor(count) then
    count = math.floor(count) + 1
  end
  return count
end

local steps = {}

local active = true
while active do
  active = false
  for item, count in pairs(items) do
    if recipes[item] then
      active = item
      local current = recipes[item]
      local _count = get_count(count, current)
      if current.craft then
        table.insert(steps, "craft "..item.." "..tostring(_count).." times")
        local new = {}
        for y=1,3 do
          for x=1,3 do
            if current.craft[y][x] ~= "" then
              item = current.craft[y][x]
              if new[item] then
                new[item] = new[item] + _count
              else
                new[item] = _count
              end
            end
          end
        end
        for item, count in pairs(new) do
          if items[item] then
            items[item] = items[item] + count
          else
            items[item] = count
          end
        end
      elseif current.compress then
        table.insert(steps, "compress "..item.." "..tostring(_count).." times")
        if current.compress.amount then
          _count = _count * current.compress.amount
        end
        if items[current.compress.item] then
          items[current.compress.item] = items[current.compress.item] + _count
        else
          items[current.compress.item] = _count
        end
      elseif current.alloy then
        table.insert(steps, "alloy "..item.." "..tostring(_count).." times")
        for item, amount in pairs(current.alloy) do
          if items[item] then
            items[item] = items[item] + _count * amount
          else
            items[item] = _count * amount
          end
        end
      elseif current.smelt then
        table.insert(steps, "smelt "..item.." "..tostring(_count).." times")
        if items[current.smelt] then
          items[current.smelt] = items[current.smelt] + _count
        else
          items[current.smelt] = _count
        end
      elseif current.extract then
        table.insert(steps, "extract "..item.." "..tostring(_count).." times")
        if current.extract.amount then
          _count = _count * current.extract.amount
        end
        if items[current.extract.item] then
          items[current.extract.item] = items[current.extract.item] + _count
        else
          items[current.extract.item] = _count
        end
      end
      break
    end
  end
  if active then
    items[active] = nil
  end
end

for k,v in pairs(items) do
  print(k,v)
end

for i=#steps,1,-1 do
  print(steps[i])
end