modernize *-nanotube recipes

carbon-util.lua

@@ -0,0 +1,29 @@
+local futil = require("util")
+local util = require("data-util");
+
+local cutil = {}
+
+function cutil.nanotube_recipe(recipe_name, item_name, tech)
+  if not tech then tech = "nanotubes" end
+  if not item_name then item_name = recipe_name end
+  if not data.raw.recipe[recipe_name] or not data.raw.item[item_name] then return end
+  -- local normal = get_normal(recipe_name)
+
+  local new_recipe = futil.table.deepcopy(data.raw.recipe[recipe_name])
+  new_recipe.name = recipe_name.."-nanotubes"
+  new_recipe.icons = {
+      { icon = data.raw.item[item_name].icon, icon_size = data.raw.item[item_name].icon_size},
+      { icon = "__bzcarbon__/graphics/icons/nanotube.png", icon_size = 128, scale=0.125, shift= {-8, -8}},
+    }
+  new_recipe.icon = nil
+  new_recipe.icon_size = nil
+  new_recipe.icon_mipmaps = nil
+  data:extend({new_recipe})
+  local amt = 2 * util.get_amount(recipe_name, item_name)
+  util.add_ingredient(new_recipe.name, "nanotubes", amt, {force=true})
+  util.set_product_amount(new_recipe.name, item_name, amt, {force=true})
+  util.add_unlock(tech, new_recipe.name)
+  return new_recipe.name
+end
+
+return cutil