technic/technic_worldgen/crafts.lua

local S = minetest.get_translator("technic_worldgen")

minetest.register_craftitem(":technic:uranium_lump", {
	description = S("Uranium Lump"),
	inventory_image = "technic_uranium_lump.png",
})
minetest.register_alias("technic:uranium", "technic:uranium_lump")

minetest.register_craftitem(":technic:uranium_ingot", {
	description = S("Uranium Ingot"),
	inventory_image = "technic_uranium_ingot.png",
	groups = {uranium_ingot=1},
})

minetest.register_craftitem(":technic:chromium_lump", {
	description = S("Chromium Lump"),
	inventory_image = "technic_chromium_lump.png",
})

minetest.register_craftitem(":technic:chromium_ingot", {
	description = S("Chromium Ingot"),
	inventory_image = "technic_chromium_ingot.png",
})

minetest.register_craftitem(":technic:zinc_lump", {
	description = S("Zinc Lump"),
	inventory_image = "technic_zinc_lump.png",
})

minetest.register_craftitem(":technic:zinc_ingot", {
	description = S("Zinc Ingot"),
	inventory_image = "technic_zinc_ingot.png",
})

minetest.register_craftitem(":technic:lead_lump", {
	description = S("Lead Lump"),
	inventory_image = "technic_lead_lump.png",
})

minetest.register_craftitem(":technic:lead_ingot", {
	description = S("Lead Ingot"),
	inventory_image = "technic_lead_ingot.png",
})

minetest.register_craftitem(":technic:sulfur_lump", {
	description = S("Sulfur Lump"),
	inventory_image = "technic_sulfur_lump.png",
})

minetest.register_alias("technic:wrought_iron_ingot", "default:steel_ingot")

minetest.override_item("default:steel_ingot", {
	description = S("Wrought Iron Ingot"),
	inventory_image = "technic_wrought_iron_ingot.png",
})

minetest.register_craftitem(":technic:cast_iron_ingot", {
	description = S("Cast Iron Ingot"),
	inventory_image = "technic_cast_iron_ingot.png",
})

minetest.register_craftitem(":technic:carbon_steel_ingot", {
	description = S("Carbon Steel Ingot"),
	inventory_image = "technic_carbon_steel_ingot.png",
})

minetest.register_craftitem(":technic:stainless_steel_ingot", {
	description = S("Stainless Steel Ingot"),
	inventory_image = "technic_stainless_steel_ingot.png",
})

local function register_block(block, ingot)
	minetest.register_craft({
		output = block,
		recipe = {
			{ingot, ingot, ingot},
			{ingot, ingot, ingot},
			{ingot, ingot, ingot},
		}
	})

	minetest.register_craft({
		output = ingot.." 9",
		recipe = {
			{block}
		}
	})
end

register_block("technic:uranium_block", "technic:uranium_ingot")
register_block("technic:chromium_block", "technic:chromium_ingot")
register_block("technic:zinc_block", "technic:zinc_ingot")
register_block("technic:lead_block", "technic:lead_ingot")
register_block("technic:cast_iron_block", "technic:cast_iron_ingot")
register_block("technic:carbon_steel_block", "technic:carbon_steel_ingot")
register_block("technic:stainless_steel_block", "technic:stainless_steel_ingot")

minetest.register_craft({
	type = 'cooking',
	recipe = "technic:zinc_lump",
	output = "technic:zinc_ingot",
})

minetest.register_craft({
	type = 'cooking',
	recipe = "technic:chromium_lump",
	output = "technic:chromium_ingot",
})

minetest.register_craft({
	type = 'cooking',
	recipe = "technic:uranium_lump",
	output = "technic:uranium_ingot",
})

minetest.register_craft({
	type = 'cooking',
	recipe = "technic:lead_lump",
	output = "technic:lead_ingot",
})


minetest.register_craft({
	type = 'cooking',
	recipe = minetest.registered_aliases["technic:wrought_iron_ingot"],
	output = "technic:cast_iron_ingot",
})

minetest.register_craft({
	type = 'cooking',
	recipe = "technic:cast_iron_ingot",
	cooktime = 2,
	output = "technic:wrought_iron_ingot",
})

minetest.register_craft({
	type = 'cooking',
	recipe = "technic:carbon_steel_ingot",
	cooktime = 2,
	output = "technic:wrought_iron_ingot",
})

local steel_to_iron = {
	{name="default:axe_steel", description=S("Iron Axe")},
	{name="default:pick_steel", description=S("Iron Pickaxe")},
	{name="default:shovel_steel", description=S("Iron Shovel")},
	{name="default:sword_steel", description=S("Iron Sword")},
	{name="doors:door_steel", description=S("Iron Door")},
	{name="farming:hoe_steel", description=S("Iron Hoe")},
	{name="glooptest:hammer_steel", description=S("Iron Hammer")},
	{name="glooptest:handsaw_steel", description=S("Iron Handsaw")},
	{name="glooptest:reinforced_crystal_glass", description=S("Iron-Reinforced Crystal Glass")},
	{name="vessels:steel_bottle", description=S("Heavy Iron Bottle (empty)")},
}

for _, v in ipairs(steel_to_iron) do
	local item_def = minetest.registered_items[v.name]
	if item_def then
		-- toolranks mod compatibility
		if minetest.get_modpath("toolranks") and item_def.original_description then
			minetest.override_item(v.name, {
				original_description = v.description,
				description = toolranks.create_description(v.description, 0, 1)})
		else
			minetest.override_item(v.name, { description = v.description })
		end
	end
end