split default iron/steel into three metals

Override the default mod's iron/steel substance, replacing it with three
metals: wrought iron (pure iron), carbon steel (iron alloyed with a little
carbon), and cast iron (iron alloyed with lots of carbon).  Wrought iron
is easiest to refine, then cast iron, and carbon steel the most difficult,
matching the historical progression.  Recipes that used default steel are
changed to use one of the three, the choice of alloy for each application
being both somewhat realistic and also matching up with game progression.

The default:steel{_ingot,block} items are identified specifically with
wrought iron.  This makes the default refining recipes work appropriately.
Iron-using recipes defined outside technic are thus necessarily
reinterpreted to use wrought iron, which is mostly appropriate.
Some objects are renamed accordingly.

Rather than use the default steel textures for wrought iron, with technic
providing textures for the other two, technic now provides textures for
all three metals.  This avoids problems that would occur with texture
packs that provide default_steel_{ingot,block} textures that are not
intended to support this wrought-iron/carbon-steel/cast-iron distinction.
A texture pack can provide a distinct set of three textures specifically
for the situation where this distinction is required.

Incidentally make grinding and alloy cooking recipes work correctly when
ingredients are specified by alias.

technic/crafts.lua

@@ -100,36 +100,36 @@ minetest.register_craft({
 minetest.register_craft({
 	output = 'technic:copper_coil 1',
 	recipe = {
-		{'technic:fine_copper_wire', 'default:steel_ingot', 'technic:fine_copper_wire'},
-		{'default:steel_ingot', '', 'default:steel_ingot'},
-		{'technic:fine_copper_wire', 'default:steel_ingot', 'technic:fine_copper_wire'},
+		{'technic:fine_copper_wire', 'technic:wrought_iron_ingot', 'technic:fine_copper_wire'},
+		{'technic:wrought_iron_ingot', '', 'technic:wrought_iron_ingot'},
+		{'technic:fine_copper_wire', 'technic:wrought_iron_ingot', 'technic:fine_copper_wire'},
 	}
 })
 
 minetest.register_craft({
 	output = 'technic:motor',
 	recipe = {
-		{'default:steel_ingot', 'technic:copper_coil', 'default:steel_ingot'},
-		{'default:steel_ingot', 'technic:copper_coil', 'default:steel_ingot'},
-		{'default:steel_ingot', 'default:copper_ingot', 'default:steel_ingot'},
+		{'technic:carbon_steel_ingot', 'technic:copper_coil', 'technic:carbon_steel_ingot'},
+		{'technic:carbon_steel_ingot', 'technic:copper_coil', 'technic:carbon_steel_ingot'},
+		{'technic:carbon_steel_ingot', 'default:copper_ingot', 'technic:carbon_steel_ingot'},
 	}
 })
 
 minetest.register_craft({
 	output = 'technic:lv_transformer',
 	recipe = {
-		{'default:iron_lump',   'default:iron_lump', 'default:iron_lump'},
-		{'technic:copper_coil', 'default:iron_lump', 'technic:copper_coil'},
-		{'default:iron_lump',   'default:iron_lump', 'default:iron_lump'},
+		{'technic:wrought_iron_ingot', 'technic:wrought_iron_ingot', 'technic:wrought_iron_ingot'},
+		{'technic:copper_coil',        'technic:wrought_iron_ingot', 'technic:copper_coil'},
+		{'technic:wrought_iron_ingot', 'technic:wrought_iron_ingot', 'technic:wrought_iron_ingot'},
 	}
 })
 
 minetest.register_craft({
 	output = 'technic:mv_transformer',
 	recipe = {
-		{'default:steel_ingot', 'default:steel_ingot', 'default:steel_ingot'},
-		{'technic:copper_coil', 'default:steel_ingot', 'technic:copper_coil'},
-		{'default:steel_ingot', 'default:steel_ingot', 'default:steel_ingot'},
+		{'technic:carbon_steel_ingot', 'technic:carbon_steel_ingot', 'technic:carbon_steel_ingot'},
+		{'technic:copper_coil',        'technic:carbon_steel_ingot', 'technic:copper_coil'},
+		{'technic:carbon_steel_ingot', 'technic:carbon_steel_ingot', 'technic:carbon_steel_ingot'},
 	}
 })
 

technic/legacy.lua

@@ -24,6 +24,7 @@ technic.legacy_nodenames = {
 	["technic:mv_battery_box"] = "technic:mv_battery_box0",
 	["technic:generator"]        = "technic:lv_generator",
 	["technic:generator_active"] = "technic:lv_generator_active",
+	["technic:iron_dust"] = "technic:wrought_iron_dust",
 }
 
 for old, new in pairs(technic.legacy_nodenames) do

technic/locale/de.txt

@@ -135,7 +135,6 @@ Cobble = Pflasterstein:
 Dirt = Erde:
 Leaves = Laub:
 Sandstone = Sandstein:
-Steel = Stahl:
 Stone = Stein:
 Tree = Baumstamm:
 Wooden = Holz:
@@ -148,16 +147,18 @@ Alatro = Alatro
 Arol = Arol
 Brass = Messing
 Bronze = Bronze
+Carbon Steel = Kohlenstoffstahl
+Cast Iron = Gusseisen
 Chromium = Chrom
 Coal = Kohle
 Copper = Kupfer
 Gold = Gold
-Iron = Eisen
 Mithril = Mithril
 Silver = Silber
 Stainless Steel = Edelstahl
 Talinite = Talinite
 Tin = Zinn
+Wrought Iron = Schmiedeeisen
 Zinc = Zink
 
 ## Tools

technic/locale/es.txt

@@ -121,7 +121,6 @@ Slope Edge = Borde de Rampa
 Slope = Rampa
 Element T = Elemento T
 Cylinder = Cilindro
-Steel = Acero
 Cobble = Adoquines
 Stone = Piedra
 Brick = Ladrillo
@@ -138,16 +137,18 @@ Alatro = Alatro
 Arol = Arol
 Brass = Laton
 Bronze = Bronce
+Carbon Steel = Acero al Carbono
+Cast Iron = Hierro Fundido
 Chromium = Cromo
 Coal = Carbon
 Copper = Cobre
 Gold = Oro
-Iron = Hierro
 Mithril = Mitrilo
 Silver = Plata
 Stainless Steel = Acero Inoxidable
 Talinite = Talinita
 Tin = Estanio
+Wrought Iron = Hierro Forjado
 Zinc = Zinc
 
 ## Tools

technic/locale/it.txt

@@ -132,7 +132,6 @@ Cobble = Ciottolato
 Dirt = Terra
 Leaves = Foglie
 Sandstone = Arenaria
-Steel = Acciaio
 Stone = Pietra
 Tree = Albero
 Wooden = Legno
@@ -145,16 +144,18 @@ Alatro = Alatro
 Arol = Arol
 Brass = Ottone
 Bronze = Bronzo
+Carbon Steel = Acciaio al Carbonio
+Cast Iron = Ghisa
 Chromium = Cromo
 Coal = Carbone
 Copper = Rame
 Gold = Oro
-Iron = Ferro
 Mithril = Mithril
 Silver = Argento
 Stainless Steel = Acciaio Inossidabile
 Talinite = Talinite
 Tin = Stagno
+Wrought Iron = Ferro Battuto
 Zinc = Zinco
 
 ## Tools

technic/locale/template.txt

@@ -135,7 +135,6 @@ Cobble =
 Dirt =
 Leaves =
 Sandstone =
-Steel =
 Stone =
 Tree =
 Wooden =
@@ -148,16 +147,18 @@ Alatro =
 Arol =
 Brass =
 Bronze =
+Carbon Steel =
+Cast Iron =
 Chromium =
 Coal =
 Copper =
 Gold =
-Iron =
 Mithril =
 Silver =
 Stainless Steel =
 Talinite =
 Tin =
+Wrought Iron =
 Zinc =
 
 ## Tools

technic/machines/HV/quarry.lua

@@ -3,9 +3,9 @@ local S = technic.getter
 
 minetest.register_craft({
 	recipe = {
-		{"default:steelblock", "pipeworks:filter",           "default:steelblock"},
-		{"default:steelblock", "technic:motor",              "default:steelblock"},
-		{"default:steelblock", "technic:diamond_drill_head", "default:steelblock"}},
+		{"technic:carbon_steel_block", "pipeworks:filter",           "technic:carbon_steel_block"},
+		{"technic:carbon_steel_block", "technic:motor",              "technic:carbon_steel_block"},
+		{"technic:carbon_steel_block", "technic:diamond_drill_head", "technic:carbon_steel_block"}},
 	output = "technic:quarry",
 })
 
@@ -136,9 +136,9 @@ end
 
 minetest.register_node("technic:quarry", {
 	description = S("Quarry"),
-	tiles = {"default_steel_block.png", "default_steel_block.png",
-	         "default_steel_block.png", "default_steel_block.png",
-	         "default_steel_block.png^default_tool_mesepick.png", "default_steel_block.png"},
+	tiles = {"technic_carbon_steel_block.png", "technic_carbon_steel_block.png",
+	         "technic_carbon_steel_block.png", "technic_carbon_steel_block.png",
+	         "technic_carbon_steel_block.png^default_tool_mesepick.png", "technic_carbon_steel_block.png"},
 	paramtype2 = "facedir",
 	groups = {cracky=2, tubedevice=1},
 	tube = {

technic/machines/HV/solar_array.lua

@@ -4,9 +4,9 @@
 minetest.register_craft({
 	output = 'technic:solar_array_hv 1',
 	recipe = {
-		{'technic:solar_array_mv', 'technic:solar_array_mv',  'technic:solar_array_mv'},
-		{'default:steel_ingot',    'technic:hv_transformer',  'default:steel_ingot'},
-		{'',                       'technic:hv_cable0',       ''},
+		{'technic:solar_array_mv',     'technic:solar_array_mv', 'technic:solar_array_mv'},
+		{'technic:carbon_steel_ingot', 'technic:hv_transformer', 'technic:carbon_steel_ingot'},
+		{'',                           'technic:hv_cable0',      ''},
 	}
 })
 

technic/machines/LV/alloy_furnace.lua

@@ -4,9 +4,9 @@
 minetest.register_craft({
 	output = 'technic:lv_alloy_furnace',
 	recipe = {
-		{'default:brick',       'default:brick',        'default:brick'},
-		{'default:brick',       '',                     'default:brick'},
-		{'default:steel_ingot', 'default:copper_ingot', 'default:steel_ingot'},
+		{'default:brick',           'default:brick',        'default:brick'},
+		{'default:brick',           '',                     'default:brick'},
+		{'technic:cast_iron_ingot', 'default:copper_ingot', 'technic:cast_iron_ingot'},
 	}
 })
 

technic/machines/LV/battery_box.lua

@@ -2,9 +2,9 @@
 minetest.register_craft({
 	output = 'technic:lv_battery_box0',
 	recipe = {
-		{'technic:battery',     'group:wood',           'technic:battery'},
-		{'technic:battery',     'default:copper_ingot', 'technic:battery'},
-		{'default:steel_ingot', 'default:steel_ingot',  'default:steel_ingot'},
+		{'technic:battery',         'group:wood',              'technic:battery'},
+		{'technic:battery',         'default:copper_ingot',    'technic:battery'},
+		{'technic:cast_iron_ingot', 'technic:cast_iron_ingot', 'technic:cast_iron_ingot'},
 	}
 })
 

technic/machines/LV/cnc.lua

@@ -229,8 +229,8 @@ minetest.register_craft({
 	output = 'technic:cnc',
 	recipe = {
 		{'default:glass',              'technic:diamond_drill_head', 'default:glass'},
-		{'technic:control_logic_unit', 'technic:motor',              'default:steel_ingot'},
-		{'default:steel_ingot',        'default:copper_ingot',       'default:steel_ingot'},         
+		{'technic:control_logic_unit', 'technic:motor',              'technic:carbon_steel_ingot'},
+		{'technic:carbon_steel_ingot', 'default:copper_ingot',       'technic:carbon_steel_ingot'},         
 	},
 })
 

technic/machines/LV/cnc_nodes.lua

@@ -58,12 +58,13 @@ technic.cnc.register_all("default:tree",
                 {snappy=1, choppy=2, oddly_breakable_by_hand=2, flammable=3, wood=1, not_in_creative_inventory=1},
                 {"default_tree.png"},
                 S("Tree"))
--- STEEL
---------
+
+-- WROUGHT IRON
+---------------
 technic.cnc.register_all("default:steelblock",
                 {cracky=1, level=2, not_in_creative_inventory=1},
-                {"default_steel_block.png"},
-                S("Steel"))
+                {"technic_wrought_iron_block.png"},
+                S("Wrought Iron"))
 
 -- Bronze
 --------

technic/machines/LV/electric_furnace.lua

@@ -5,9 +5,9 @@
 minetest.register_craft({
 	output = 'technic:electric_furnace',
 	recipe = {
-		{'default:cobble',      'default:cobble',        'default:cobble'},
-		{'default:cobble',      '',                      'default:cobble'},
-		{'default:steel_ingot', 'moreores:copper_ingot', 'default:steel_ingot'},
+		{'default:cobble',          'default:cobble',        'default:cobble'},
+		{'default:cobble',          '',                      'default:cobble'},
+		{'technic:cast_iron_ingot', 'moreores:copper_ingot', 'technic:cast_iron_ingot'},
 	}
 })
 

technic/machines/LV/solar_array.lua

@@ -8,9 +8,9 @@
 minetest.register_craft({
 	output = 'technic:solar_array_lv 1',
 	recipe = {
-		{'technic:solar_panel', 'technic:solar_panel',    'technic:solar_panel'},
-		{'default:steel_ingot', 'technic:lv_transformer', 'default:steel_ingot'},
-		{'',                    'technic:lv_cable0',      ''},
+		{'technic:solar_panel',        'technic:solar_panel',    'technic:solar_panel'},
+		{'technic:carbon_steel_ingot', 'technic:lv_transformer', 'technic:carbon_steel_ingot'},
+		{'',                           'technic:lv_cable0',      ''},
 	}
 })
 

technic/machines/LV/solar_panel.lua

@@ -29,7 +29,7 @@ minetest.register_craft({
 	output = 'technic:solar_panel',
 	recipe = {
 		{'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer'},
-		{'default:steel_ingot',         'technic:lv_cable0',           'default:steel_ingot'},
+		{'technic:wrought_iron_ingot',  'technic:lv_cable0',           'technic:wrought_iron_ingot'},
 
 	}
 })

technic/machines/MV/solar_array.lua

@@ -2,9 +2,9 @@
 minetest.register_craft({
 	output = 'technic:solar_array_mv 1',
 	recipe = {
-		{'technic:solar_array_lv', 'technic:solar_array_lv', 'technic:solar_array_lv'},
-		{'default:steel_ingot',    'technic:mv_transformer', 'default:steel_ingot'},
-		{'',                       'technic:mv_cable0',      ''},
+		{'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_cable0',      ''},
 	}
 })
 

technic/machines/MV/wind_mill.lua

@@ -4,25 +4,25 @@ local S = technic.getter
 minetest.register_craft({
 	output = 'technic:wind_mill_frame 5',
 	recipe = {
-		{'default:steel_ingot', '',                    'default:steel_ingot'},
-		{'',                    'default:steel_ingot', ''},
-		{'default:steel_ingot', '',                    'default:steel_ingot'},
+		{'technic:carbon_steel_ingot', '',                           'technic:carbon_steel_ingot'},
+		{'',                           'technic:carbon_steel_ingot', ''},
+		{'technic:carbon_steel_ingot', '',                           'technic:carbon_steel_ingot'},
 	}
 })
 
 minetest.register_craft({
 	output = 'technic:wind_mill',
 	recipe = {
-		{'',                    'default:steel_ingot', ''},
-		{'default:steel_ingot', 'technic:motor',       'default:steel_ingot'},
-		{'',                    'default:steelblock',  ''},
+		{'',                           'technic:carbon_steel_ingot', ''},
+		{'technic:carbon_steel_ingot', 'technic:motor',              'technic:carbon_steel_ingot'},
+		{'',                           'technic:carbon_steel_block', ''},
 	}
 })
 
 minetest.register_node("technic:wind_mill_frame", {
 	description = S("Wind Mill Frame"),
 	drawtype = "glasslike_framed",
-	tiles = {"default_steel_block.png", "default_glass.png"},
+	tiles = {"technic_carbon_steel_block.png", "default_glass.png"},
 	sunlight_propagates = true,
 	groups = {cracky=3},
 	sounds = default.node_sound_stone_defaults(),
@@ -31,7 +31,7 @@ minetest.register_node("technic:wind_mill_frame", {
 
 minetest.register_node("technic:wind_mill", {
 	description = S("Wind Mill"),
-	tiles = {"default_steel_block.png"},
+	tiles = {"technic_carbon_steel_block.png"},
 	paramtype2 = "facedir",
 	groups = {cracky=1},
 	sounds = default.node_sound_stone_defaults(),

technic/machines/register/alloy_furnace.lua

@@ -45,6 +45,36 @@ technic.register_alloy_recipe = function(metal1, count1, metal2, count2, result,
 	end
 end
 
+minetest.after(0.01, function ()
+	for _, recipe in pairs(technic.alloy_recipes) do
+		local in1 = recipe.input[1]
+		local in2 = recipe.input[2]
+		local in1n = in1.name
+		local in2n = in2.name
+		while minetest.registered_aliases[in1n] do
+			in1n = minetest.registered_aliases[in1n]
+		end
+		while minetest.registered_aliases[in2n] do
+			in2n = minetest.registered_aliases[in2n]
+		end
+		if in1n > in2n then
+			local temp = in1
+			in1 = in2
+			in2 = temp
+			temp = in1n
+			in1n = in2n
+			in2n = temp
+		end
+		technic.alloy_recipes[in1n.." "..in2n] = {
+			input = {
+				{ name = in1n, count = in1.count },
+				{ name = in2n, count = in2.count },
+			},
+			output = recipe.output,
+		}
+	end
+end)
+
 -- Retrieve a recipe given the input metals.
 function technic.get_alloy_recipe(stack1, stack2)
 	-- Sort the stacks alphebetically
@@ -65,8 +95,12 @@ end
 
 technic.register_alloy_recipe("technic:copper_dust",   3, "technic:tin_dust",       1, "technic:bronze_dust",           4)
 technic.register_alloy_recipe("default:copper_ingot",  3, "moreores:tin_ingot",     1, "moreores:bronze_ingot",         4)
-technic.register_alloy_recipe("technic:iron_dust",     3, "technic:chromium_dust",  1, "technic:stainless_steel_dust",  4)
-technic.register_alloy_recipe("default:steel_ingot",   3, "technic:chromium_ingot", 1, "technic:stainless_steel_ingot", 4)
+technic.register_alloy_recipe("technic:wrought_iron_dust", 1, "technic:coal_dust",  1, "technic:carbon_steel_dust",     1)
+technic.register_alloy_recipe("technic:wrought_iron_ingot", 1, "technic:coal_dust", 1, "technic:carbon_steel_ingot",    1)
+technic.register_alloy_recipe("technic:carbon_steel_dust", 1, "technic:coal_dust",  1, "technic:cast_iron_dust",        1)
+technic.register_alloy_recipe("technic:carbon_steel_ingot", 1, "technic:coal_dust", 1, "technic:cast_iron_ingot",       1)
+technic.register_alloy_recipe("technic:carbon_steel_dust", 3, "technic:chromium_dust", 1, "technic:stainless_steel_dust", 4)
+technic.register_alloy_recipe("technic:carbon_steel_ingot", 3, "technic:chromium_ingot", 1, "technic:stainless_steel_ingot", 4)
 technic.register_alloy_recipe("technic:copper_dust",   2, "technic:zinc_dust",      1, "technic:brass_dust",            3)
 technic.register_alloy_recipe("default:copper_ingot",  2, "technic:zinc_ingot",     1, "technic:brass_ingot",           3)
 technic.register_alloy_recipe("default:sand",          2, "technic:coal_dust",      2, "technic:silicon_wafer",         1)

technic/machines/register/grinder_recipes.lua

@@ -24,6 +24,16 @@ function technic.register_grinder_recipe(data)
 	end
 end
 
+minetest.after(0.01, function ()
+	for ingredient, recipe in pairs(technic.grinder_recipes) do
+		ingredient = minetest.registered_aliases[ingredient]
+		while ingredient do
+			technic.grinder_recipes[ingredient] = recipe
+			ingredient = minetest.registered_aliases[ingredient]
+		end
+	end
+end)
+
 -- Receive an ItemStack of result by an ItemStack input
 function technic.get_grinder_recipe(itemstack)
 	return technic.grinder_recipes[itemstack:get_name()]
@@ -40,8 +50,7 @@ local recipes = {
 	{"default:gold_ingot",      "technic:gold_dust 1"},
 	{"default:gold_lump",       "technic:gold_dust 2"},
 	{"default:gravel",          "default:dirt"},
-	{"default:iron_lump",       "technic:iron_dust 2"},
-	{"default:steel_ingot",     "technic:iron_dust 1"},
+	{"default:iron_lump",       "technic:wrought_iron_dust 2"},
 	{"default:stone",           "default:sand"},
 	{"gloopores:alatro_lump",   "technic:alatro_dust 2"},
 	{"gloopores:kalite_lump",   "technic:kalite_dust 2"},
@@ -54,8 +63,11 @@ local recipes = {
 	{"moreores:silver_lump",    "technic:silver_dust 2"},
 	{"moreores:tin_ingot",      "technic:tin_dust 1"},
 	{"moreores:tin_lump",       "technic:tin_dust 2"},
+	{"technic:cast_iron_ingot", "technic:cast_iron_dust 1"},
 	{"technic:chromium_ingot",  "technic:chromium_dust 1"},
 	{"technic:chromium_lump",   "technic:chromium_dust 2"},
+	{"technic:wrought_iron_ingot", "technic:wrought_iron_dust 1"},
+	{"technic:carbon_steel_ingot", "technic:carbon_steel_dust 1"},
 	{"technic:zinc_ingot",      "technic:zinc_dust 1"},
 	{"technic:zinc_lump",       "technic:zinc_dust 2"},
 	{"technic:brass_ingot",     "technic:brass_dust 1"},
@@ -92,16 +104,18 @@ register_dust("Alatro",          "glooptest:alatro_ingot")
 register_dust("Arol",            "glooptest:arol_ingot")
 register_dust("Brass",           "technic:brass_ingot")
 register_dust("Bronze",          "default:bronze_ingot")
+register_dust("Carbon Steel",    "technic:carbon_steel_ingot")
+register_dust("Cast Iron",       "technic:cast_iron_ingot")
 register_dust("Chromium",        "technic:chromium_ingot")
 register_dust("Coal",            nil)
 register_dust("Copper",          "default:copper_ingot")
 register_dust("Gold",            "default:gold_ingot")
-register_dust("Iron",            "default:steel_ingot")
 register_dust("Mithril",         "moreores:mithril_ingot")
 register_dust("Silver",          "moreores:silver_ingot")
 register_dust("Stainless Steel", "technic:stainless_steel_ingot")
 register_dust("Talinite",        "glooptest:talinite_ingot")
 register_dust("Tin",             "moreores:tin_ingot")
+register_dust("Wrought Iron",    "technic:wrought_iron_ingot")
 register_dust("Zinc",            "technic:zinc_ingot")
 
 minetest.register_craft({

technic/machines/switching_station.lua

@@ -35,9 +35,9 @@ local S = technic.getter
 minetest.register_craft({
 	output = "technic:switching_station",
 	recipe = {
-		{"default:steel_ingot",  "technic:lv_transformer", "default:steel_ingot"},
-		{"default:copper_ingot", "technic:lv_cable0",      "default:copper_ingot"},
-		{"default:steel_ingot",  "technic:lv_cable0",      "default:steel_ingot"}
+		{"technic:cast_iron_ingot", "technic:lv_transformer", "technic:cast_iron_ingot"},
+		{"default:copper_ingot",    "technic:lv_cable0",      "default:copper_ingot"},
+		{"technic:cast_iron_ingot", "technic:lv_cable0",      "technic:cast_iron_ingot"}
 	}
 })
 

technic/tools/cans.lua

@@ -7,8 +7,8 @@ minetest.register_craft({
 	output = 'technic:water_can 1',
 	recipe = {
 		{'technic:zinc_ingot', 'technic:rubber','technic:zinc_ingot'},
-		{'default:steel_ingot', '', 'default:steel_ingot'},
-		{'technic:zinc_ingot', 'default:steel_ingot', 'technic:zinc_ingot'},
+		{'technic:carbon_steel_ingot', '', 'technic:carbon_steel_ingot'},
+		{'technic:zinc_ingot', 'technic:carbon_steel_ingot', 'technic:zinc_ingot'},
 	}
 })
 

technic/tools/mining_lasers.lua

@@ -16,25 +16,25 @@ local S = technic.getter
 minetest.register_craft({
 	output = 'technic:laser_mk1',
 	recipe = {
-		{'default:diamond', 'default:steel_ingot', 'technic:red_energy_crystal'},
-		{'',                'default:steel_ingot', 'default:steel_ingot'},
-		{'',                '',                    'default:copper_ingot'},
+		{'default:diamond', 'technic:carbon_steel_ingot', 'technic:red_energy_crystal'},
+		{'',                'technic:carbon_steel_ingot', 'technic:carbon_steel_ingot'},
+		{'',                '',                           'default:copper_ingot'},
 	}
 })
 minetest.register_craft({
 	output = 'technic:laser_mk2',
 	recipe = {
-		{'default:diamond', 'default:steel_ingot', 'technic:laser_mk1'},
-		{'',                'default:steel_ingot', 'technic:green_energy_crystal'},
-		{'',                '',                    'default:copper_ingot'},
+		{'default:diamond', 'technic:carbon_steel_ingot', 'technic:laser_mk1'},
+		{'',                'technic:carbon_steel_ingot', 'technic:green_energy_crystal'},
+		{'',                '',                           'default:copper_ingot'},
 	}
 })
 minetest.register_craft({
 	output = 'technic:laser_mk3',
 	recipe = {
-		{'default:diamond', 'default:steel_ingot', 'technic:laser_mk2'},
-		{'',                'default:steel_ingot', 'technic:blue_energy_crystal'},
-		{'',                '',                    'default:copper_ingot'},
+		{'default:diamond', 'technic:carbon_steel_ingot', 'technic:laser_mk2'},
+		{'',                'technic:carbon_steel_ingot', 'technic:blue_energy_crystal'},
+		{'',                '',                           'default:copper_ingot'},
 	}
 })