Start with nuclear, add new mineral and components, complexify recipes

elepower_dynamics/crafting.lua

@@ -129,8 +129,8 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_dynamics:fluid_transfer_node",
 	recipe = {
-		{"group:stone",  "elepower_dynamics:fluid_duct",  "group:stone"},
-		{"elepower_dynamics:steel_gear", "elepower_dynamics:servo_valve", "elepower_dynamics:steel_gear"},
+		{"group:stone",  "elepower_dynamics:control_circuit",  "group:stone"},
+		{"elepower_dynamics:viridisium_gear", "elepower_dynamics:servo_valve", "elepower_dynamics:viridisium_gear"},
 		{"group:stone",  "elepower_dynamics:fluid_duct",  "group:stone"},
 	}
 })
@@ -158,6 +158,15 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = "elepower_dynamics:wound_silver_coil",
+	recipe = {
+		{"", "moreores:silver_ingot", ""},
+		{"moreores:silver_ingot", "elepower_dynamics:iron_ingot", "moreores:silver_ingot"},
+		{"", "moreores:silver_ingot", ""}
+	}
+})
+
 minetest.register_craft({
 	output = "elepower_dynamics:copper_wire",
 	recipe = {
@@ -183,6 +192,42 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = "elepower_dynamics:chip",
+	recipe = {
+		{"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting"},
+		{"default:mese_crystal", "dye:black", "default:mese_crystal"},
+		{"default:copper_ingot", "moreores:silver_ingot", "default:copper_ingot"},
+	}
+})
+
+minetest.register_craft({
+	output = "elepower_dynamics:capacitor",
+	recipe = {
+		{"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting"},
+		{"moreores:silver_ingot", "default:mese_crystal", "moreores:silver_ingot"},
+		{"default:copper_ingot", "dye:violet", "default:copper_ingot"},
+	}
+})
+
+minetest.register_craft({
+	output = "elepower_dynamics:integrated_circuit",
+	recipe = {
+		{"elepower_dynamics:chip", "elepower_dynamics:chip", "elepower_dynamics:chip"},
+		{"elepower_dynamics:capacitor", "elepower_dynamics:pcb", "elepower_dynamics:capacitor"},
+		{"default:copper_ingot", "default:mese_crystal", "default:gold_ingot"},
+	}
+})
+
+minetest.register_craft({
+	output = "elepower_dynamics:control_circuit",
+	recipe = {
+		{"elepower_dynamics:chip", "elepower_dynamics:chip", "elepower_dynamics:chip"},
+		{"elepower_dynamics:capacitor", "elepower_dynamics:integrated_circuit", "elepower_dynamics:capacitor"},
+		{"default:gold_ingot", "elepower_dynamics:viridisium_ingot", "default:gold_ingot"},
+	}
+})
+
 --------------
 -- Smelting --
 --------------
@@ -207,9 +252,9 @@ minetest.register_craft({
 
 minetest.register_craft({
 	type     = "cooking",
-	output   = "default:steel_ingot",
-	recipe   = "elepower_dynamics:iron_ingot",
-	cooktime = 20
+	output   = "elepower_dynamics:viridisium_ingot",
+	recipe   = "elepower_dynamics:viridisium_lump",
+	cooktime = 10,
 })
 
 -----------

elepower_dynamics/craftitems.lua

@@ -35,6 +35,12 @@ minetest.register_craftitem("elepower_dynamics:electrum_ingot", {
 	groups = {electrum = 1, ingot = 1}
 })
 
+minetest.register_craftitem("elepower_dynamics:viridisium_ingot", {
+	description = "Viridisium Ingot",
+	inventory_image = "elepower_viridisium_ingot.png",
+	groups = {viridisium = 1, ingot = 1}
+})
+
 -- Lumps
 
 minetest.register_craftitem("elepower_dynamics:lead_lump", {
@@ -49,7 +55,13 @@ minetest.register_craftitem("elepower_dynamics:nickel_lump", {
 	groups = {nickel = 1, lump = 1}
 })
 
--- Other
+minetest.register_craftitem("elepower_dynamics:viridisium_lump", {
+	description = "Viridisium Lump",
+	inventory_image = "elepower_viridisium_lump.png",
+	groups = {viridisium = 1, lump = 1}
+})
+
+-- Special
 
 minetest.register_craftitem("elepower_dynamics:carbon_fiber", {
 	description = "Carbon Fibers",
@@ -63,30 +75,38 @@ minetest.register_craftitem("elepower_dynamics:carbon_sheet", {
 	groups = {carbon_fiber_sheet = 1, sheet = 1}
 })
 
+minetest.register_craftitem("elepower_dynamics:tree_tap", {
+	description = "Steel Treetap",
+	inventory_image = "elepower_tree_tap.png",
+	groups = {treetap = 1, static_component = 1}
+})
+
+minetest.register_craftitem("elepower_dynamics:pcb", {
+	description = "Printed Circuit Board (PCB)",
+	inventory_image = "elepower_pcb.png",
+	groups = {pcb = 1, static_component = 1}
+})
+
+-- Electronics
+
 minetest.register_craftitem("elepower_dynamics:wound_copper_coil", {
 	description = "Wound Copper Coil",
 	inventory_image = "elepower_copper_coil.png",
 	groups = {copper = 1, coil = 1, component = 1}
 })
 
+minetest.register_craftitem("elepower_dynamics:wound_silver_coil", {
+	description = "Wound Silver Coil",
+	inventory_image = "elepower_silver_coil.png",
+	groups = {silver = 1, coil = 1, component = 1}
+})
+
 minetest.register_craftitem("elepower_dynamics:copper_wire", {
 	description = "Copper Wire",
 	inventory_image = "elepower_copper_wire.png",
 	groups = {copper = 1, wire = 1, component = 1}
 })
 
-minetest.register_craftitem("elepower_dynamics:servo_valve", {
-	description = "Servo Valve",
-	inventory_image = "elepower_servo_valve.png",
-	groups = {servo_valve = 1, component = 1}
-})
-
-minetest.register_craftitem("elepower_dynamics:tree_tap", {
-	description = "Steel Treetap",
-	inventory_image = "elepower_tree_tap.png",
-	groups = {treetap = 1, component = 1}
-})
-
 minetest.register_craftitem("elepower_dynamics:induction_coil", {
 	description = "Induction Coil",
 	inventory_image = "elepower_induction_coil.png",
@@ -99,6 +119,38 @@ minetest.register_craftitem("elepower_dynamics:induction_coil_advanced", {
 	groups = {induction_coil = 1, component = 1}
 })
 
+minetest.register_craftitem("elepower_dynamics:chip", {
+	description = "Chip",
+	inventory_image = "elepower_chip.png",
+	groups = {ic = 2, component = 1}
+})
+
+minetest.register_craftitem("elepower_dynamics:capacitor", {
+	description = "Capacitor",
+	inventory_image = "elepower_capacitor.png",
+	groups = {capacitor = 2, component = 1}
+})
+
+-- Assembled Components
+
+minetest.register_craftitem("elepower_dynamics:servo_valve", {
+	description = "Servo Valve",
+	inventory_image = "elepower_servo_valve.png",
+	groups = {servo_valve = 1, assembled_component = 1}
+})
+
+minetest.register_craftitem("elepower_dynamics:integrated_circuit", {
+	description = "Integrated Circuit",
+	inventory_image = "elepower_ic.png",
+	groups = {ic = 1, assembled_component = 1}
+})
+
+minetest.register_craftitem("elepower_dynamics:control_circuit", {
+	description = "Integrated Control Circuit",
+	inventory_image = "elepower_ic_2.png",
+	groups = {ic = 2, assembled_component = 1, control_circuit = 1}
+})
+
 ---------------
 -- Overrides --
 ---------------

elepower_dynamics/dusts.lua

@@ -100,6 +100,11 @@ elepd.register_dust("electrum", {
 	color = "#ebeb90"
 })
 
+elepd.register_dust("viridisium", {
+	description = "Viridisium",
+	color = "#5b9751"
+})
+
 elepd.register_dust("wood", {
 	description = "Wood Shavings",
 	force_description = true,

elepower_dynamics/gears.lua

@@ -95,3 +95,8 @@ elepd.register_gear("electrum", {
 	description = "Electrum",
 	color = "#ebeb90"
 })
+
+elepd.register_gear("viridisium", {
+	description = "Viridisium",
+	color = "#5b9751"
+})

elepower_dynamics/mod.conf

@@ -1,4 +1,4 @@
 name = elepower_dynamics
 description = Elepower Dynamics. Conduits and materials!
-depends = elepower_papi,elepower_fapi,default,fluid_tanks
+depends = elepower_papi,elepower_fapi,default,fluid_tanks,dye
 optional_depends = moreores,pipeworks,homedecor

elepower_dynamics/nodes.lua

@@ -23,6 +23,14 @@ minetest.register_node("elepower_dynamics:stone_with_nickel", {
 	sounds = default.node_sound_stone_defaults(),
 })
 
+minetest.register_node("elepower_dynamics:stone_with_viridisium", {
+	description = "Viridisium Ore",
+	tiles = {"default_stone.png^elepower_mineral_viridisium.png"},
+	groups = {cracky = 3},
+	drop = 'elepower_dynamics:viridisium_lump',
+	sounds = default.node_sound_stone_defaults(),
+})
+
 minetest.register_node("elepower_dynamics:particle_board", {
 	description = "Particle Board",
 	tiles = {"elepower_particle_board.png"},

elepower_dynamics/worldgen.lua

@@ -61,3 +61,38 @@ minetest.register_ore({
 	y_max          = -8096,
 	y_min          = -31000,
 })
+
+-- Viridisium
+
+minetest.register_ore({
+	ore_type       = "scatter",
+	ore            = "elepower_dynamics:stone_with_viridisium",
+	wherein        = "default:stone",
+	clust_scarcity = 25 * 25 * 25,
+	clust_num_ores = 5,
+	clust_size     = 3,
+	y_max          = -1028,
+	y_min          = -31000,
+})
+
+minetest.register_ore({
+	ore_type       = "scatter",
+	ore            = "elepower_dynamics:stone_with_viridisium",
+	wherein        = "default:stone",
+	clust_scarcity = 20 * 20 * 20,
+	clust_num_ores = 5,
+	clust_size     = 3,
+	y_max          = -8096,
+	y_min          = -31000,
+})
+
+minetest.register_ore({
+	ore_type       = "scatter",
+	ore            = "elepower_dynamics:stone_with_viridisium",
+	wherein        = "default:stone",
+	clust_scarcity = 10 * 10 * 10,
+	clust_num_ores = 5,
+	clust_size     = 3,
+	y_max          = -12000,
+	y_min          = -31000,
+})

elepower_farming/crafting.lua

@@ -17,7 +17,7 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_farming:planter",
 	recipe = {
-		{"homedecor:plastic_sheeting", "elepower_dynamics:copper_wire", "homedecor:plastic_sheeting"},
+		{"elepower_dynamics:viridisium_ingot", "elepower_dynamics:control_circuit", "elepower_dynamics:viridisium_ingot"},
 		{"farming:hoe_steel", "elepower_farming:device_frame", "farming:hoe_steel"},
 		{"elepower_dynamics:wound_copper_coil", "elepower_dynamics:diamond_gear", "elepower_dynamics:wound_copper_coil"},
 	}
@@ -27,7 +27,7 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_farming:harvester",
 	recipe = {
-		{"homedecor:plastic_sheeting", "elepower_dynamics:copper_wire", "homedecor:plastic_sheeting"},
+		{"elepower_dynamics:viridisium_ingot", "elepower_dynamics:control_circuit", "elepower_dynamics:viridisium_ingot"},
 		{"default:axe_steel", "elepower_farming:device_frame", "farming:hoe_steel"},
 		{"elepower_dynamics:wound_copper_coil", "elepower_dynamics:diamond_gear", "elepower_dynamics:wound_copper_coil"},
 	}
@@ -37,7 +37,7 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_farming:tree_extractor",
 	recipe = {
-		{"homedecor:plastic_sheeting", "bucket:bucket_empty", "homedecor:plastic_sheeting"},
+		{"default:steel_ingot", "bucket:bucket_empty", "default:steel_ingot"},
 		{"elepower_dynamics:tree_tap", "elepower_farming:device_frame", "elepower_dynamics:tree_tap"},
 		{"elepower_dynamics:copper_gear", "elepower_dynamics:servo_valve", "elepower_dynamics:copper_gear"},
 	}

elepower_machines/craft.lua

@@ -56,9 +56,15 @@ function elepm.register_craft(craftdef)
 	table.insert(elepm.craft[ctype], recipe)
 end
 
+local no_recipe = {
+	time = 0,
+	new_input = {},
+	output = {}
+}
+
 function elepm.get_recipe(type, inputs)
 	if not elepm.craft[type] or not inputs then
-		return nil
+		return no_recipe
 	end
 
 	-- Minetest's cooking builtin type
@@ -70,7 +76,7 @@ function elepm.get_recipe(type, inputs)
 		})
 
 		if not result or result.time == 0 then
-			return nil
+			return no_recipe
 		else
 			return {
 				time = result.time,
@@ -81,7 +87,7 @@ function elepm.get_recipe(type, inputs)
 	end
 
 	-- Custom types
-	local result = nil
+	local result = no_recipe
 	for _,recipe in ipairs(elepm.craft[type]) do
 		local recip_match = true
 		local inputs_full = {}

elepower_machines/crafting.lua

@@ -111,13 +111,25 @@ end)
 -- CRAFTING RECIPES --
 --******************--
 
+-- Coal-fired Alloy Furnace
+minetest.register_craft({
+	output = "elepower_machines:coal_alloy_furnace",
+	recipe = {
+		{"default:brick", "default:brick", "default:brick"},
+		{"default:furnace", "bucket:bucket_lava", "default:furnace"}
+	},
+	replacements = {
+		{"bucket:bucket_lava", "bucket:bucket_empty"}
+	}
+})
+
 -- Machine block
 minetest.register_craft({
 	output = "elepower_machines:machine_block",
 	recipe = {
-		{"group:glass", "default:steel_ingot", "group:glass"},
+		{"elepower_dynamics:viridisium_ingot", "default:steel_ingot", "elepower_dynamics:viridisium_ingot"},
 		{"default:steel_ingot", "default:mese_crystal", "default:steel_ingot"},
-		{"group:glass", "default:steel_ingot", "group:glass"},
+		{"elepower_dynamics:viridisium_ingot", "elepower_dynamics:tin_gear", "elepower_dynamics:viridisium_ingot"},
 	}
 })
 
@@ -135,9 +147,13 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_machines:alloy_furnace",
 	recipe = {
-		{"", "elepower_dynamics:copper_wire", ""},
+		{"", "elepower_dynamics:integrated_circuit", ""},
 		{"default:brick", "elepower_machines:machine_block", "default:brick"},
-		{"default:furnace", "elepower_dynamics:wound_copper_coil", "default:furnace"},
+		{
+			"elepower_dynamics:wound_copper_coil",
+			"elepower_machines:coal_alloy_furnace",
+			"elepower_dynamics:wound_copper_coil"
+		},
 	}
 })
 
@@ -145,7 +161,7 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_machines:furnace",
 	recipe = {
-		{"", "elepower_dynamics:copper_wire", ""},
+		{"", "elepower_dynamics:integrated_circuit", ""},
 		{"default:clay_brick", "elepower_machines:machine_block", "default:clay_brick"},
 		{"elepower_dynamics:wound_copper_coil", "default:furnace", "elepower_dynamics:wound_copper_coil"},
 	}
@@ -155,7 +171,7 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_machines:pulverizer",
 	recipe = {
-		{"", "elepower_dynamics:copper_wire", ""},
+		{"", "elepower_dynamics:integrated_circuit", ""},
 		{"default:flint", "elepower_machines:machine_block", "default:flint"},
 		{"elepower_dynamics:wound_copper_coil", "elepower_dynamics:lead_gear", "elepower_dynamics:wound_copper_coil"},
 	}
@@ -165,7 +181,7 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_machines:sawmill",
 	recipe = {
-		{"", "elepower_dynamics:copper_wire", ""},
+		{"", "elepower_dynamics:integrated_circuit", ""},
 		{"elepower_dynamics:steel_gear", "elepower_machines:machine_block", "elepower_dynamics:steel_gear"},
 		{"elepower_dynamics:lead_ingot", "elepower_dynamics:diamond_gear", "elepower_dynamics:lead_ingot"},
 	}
@@ -175,7 +191,7 @@ minetest.register_craft({
 minetest.register_craft({
 	output = "elepower_machines:power_cell_0",
 	recipe = {
-		{"elepower_dynamics:lead_ingot", "elepower_dynamics:copper_wire", "elepower_dynamics:lead_ingot"},
+		{"elepower_dynamics:lead_ingot", "elepower_dynamics:control_circuit", "elepower_dynamics:lead_ingot"},
 		{"elepower_dynamics:wound_copper_coil", "elepower_machines:machine_block", "elepower_dynamics:wound_copper_coil"},
 		{"elepower_dynamics:lead_ingot", "elepower_dynamics:diamond_gear", "elepower_dynamics:lead_ingot"},
 	}

elepower_machines/formspec.lua

@@ -65,3 +65,26 @@ function ele.formspec.get_storage_formspec(power)
 		"listring[current_player;main]"..
 		default.get_hotbar_bg(0, 4.25)
 end
+
+function elepm.get_coal_alloy_furnace_formspec(fuel_percent, item_percent)
+	return "size[8,8.5]"..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
+		"list[context;src;2,0.5;2,1;]"..
+		"list[context;fuel;2.5,2.5;1,1;]"..
+		"image[2.5,1.5;1,1;default_furnace_fire_bg.png^[lowpart:"..
+		(100-fuel_percent)..":default_furnace_fire_fg.png]"..
+		"image[4,1.5;1,1;gui_furnace_arrow_bg.png^[lowpart:"..
+		(item_percent)..":gui_furnace_arrow_fg.png^[transformR270]"..
+		"list[context;dst;5,0.96;2,2;]"..
+		"list[current_player;main;0,4.25;8,1;]"..
+		"list[current_player;main;0,5.5;8,3;8]"..
+		"listring[context;dst]"..
+		"listring[current_player;main]"..
+		"listring[context;src]"..
+		"listring[current_player;main]"..
+		"listring[context;fuel]"..
+		"listring[current_player;main]"..
+		default.get_hotbar_bg(0, 4.25)
+end

elepower_machines/machines/bases/crafter.lua

@@ -36,14 +36,14 @@ function elepm.register_crafter(nodename, nodedef)
 			local power_operation = false
 
 			-- Determine if there is enough power for this action
-			if result and storage >= usage then
+			if result.time ~= 0 and storage >= usage then
 				power_operation = true
 			end
 
-			if not result or not power_operation then
+			if result.time == 0 or not power_operation then
 				ele.helpers.swap_node(pos, machine_node)
 				
-				if not result then
+				if result.time == 0 then
 					meta:set_string("formspec", ele.formspec.get_crafter_formspec(craft_type, pow_percent))
 					meta:set_int("src_time", 0)
 					meta:set_string("infotext", ("%s Idle"):format(nodedef.description) ..

elepower_machines/machines/coal_alloy_furnace.lua

@@ -0,0 +1,224 @@
+
+local function can_dig(pos, player)
+	local meta = minetest.get_meta(pos);
+	local inv = meta:get_inventory()
+	return inv:is_empty("fuel") and inv:is_empty("dst") and inv:is_empty("src")
+end
+
+local function allow_metadata_inventory_put(pos, listname, index, stack, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+	local meta = minetest.get_meta(pos)
+	local inv = meta:get_inventory()
+	if listname == "fuel" then
+		if minetest.get_craft_result({method="fuel", width=1, items={stack}}).time ~= 0 then
+			return stack:get_count()
+		else
+			return 0
+		end
+	elseif listname == "src" then
+		return stack:get_count()
+	elseif listname == "dst" then
+		return 0
+	end
+end
+
+local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
+	local meta = minetest.get_meta(pos)
+	local inv = meta:get_inventory()
+	local stack = inv:get_stack(from_list, from_index)
+	return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
+end
+
+local function allow_metadata_inventory_take(pos, listname, index, stack, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+	return stack:get_count()
+end
+
+local function alloy_furnace_timer(pos, elapsed)
+	--
+	-- Inizialize metadata
+	--
+	local meta = minetest.get_meta(pos)
+	local fuel_time = meta:get_float("fuel_time") or 0
+	local src_time = meta:get_float("src_time") or 0
+	local fuel_totaltime = meta:get_float("fuel_totaltime") or 0
+
+	local inv = meta:get_inventory()
+	local srclist, fuellist
+
+	local alloyable
+	local fuel
+	local time = 0
+
+	local update = true
+	while elapsed > 0 and update do
+		update = false
+
+		srclist = inv:get_list("src")
+		fuellist = inv:get_list("fuel")
+
+		--
+		-- Alloying
+		--
+
+		-- Check if we have alloyable content
+		local alloy = elepm.get_recipe("alloy", srclist)
+		local afteralloy = alloy.new_input
+		alloyable = alloy.time ~= 0
+
+		local el = math.min(elapsed, fuel_totaltime - fuel_time)
+		if alloyable then -- fuel lasts long enough, adjust el to cooking duration
+			time = alloy.time + 4
+			el = math.min(el, time - src_time)
+		end
+
+		-- Check if we have enough fuel to burn
+		if fuel_time < fuel_totaltime then
+			-- The furnace is currently active and has enough fuel
+			fuel_time = fuel_time + el
+			-- If there is a alloyable item then check if it is ready yet
+			if alloyable then
+				src_time = src_time + el
+				if src_time >= time then
+					-- Place result in dst list if possible
+					if inv:room_for_item("dst", alloy.output) then
+						inv:add_item("dst", alloy.output)
+						inv:set_list("src", afteralloy)
+						src_time = src_time - time
+						update = true
+					end
+				else
+					-- Item could not be alloy: probably missing fuel
+					update = true
+				end
+			end
+		else
+			-- Furnace ran out of fuel
+			if alloyable then
+				-- We need to get new fuel
+				local afterfuel
+				fuel, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist})
+
+				if fuel.time == 0 then
+					-- No valid fuel in fuel list
+					fuel_totaltime = 0
+					src_time = 0
+				else
+					-- Take fuel from fuel list
+					inv:set_stack("fuel", 1, afterfuel.items[1])
+					update = true
+					fuel_totaltime = fuel.time + (fuel_totaltime - fuel_time)
+				end
+			else
+				-- We don't need to get new fuel since there is no alloyable item
+				fuel_totaltime = 0
+				src_time = 0
+			end
+			fuel_time = 0
+		end
+
+		elapsed = elapsed - el
+	end
+
+	if fuel and fuel_totaltime > time then
+		fuel_totaltime = time
+	end
+	if srclist[1]:is_empty() then
+		src_time = 0
+	end
+
+	--
+	-- Update formspec, infotext and node
+	--
+	local formspec
+	local item_percent = 0
+	if alloyable then
+		item_percent = math.floor(src_time / time * 100)
+	end
+
+	local active = "Inactive"
+	local result = false
+
+	if fuel_totaltime ~= 0 then
+		active = "Active"
+		local fuel_percent = math.floor(fuel_time / fuel_totaltime * 100)
+		formspec = elepm.get_coal_alloy_furnace_formspec(fuel_percent, item_percent)
+		ele.helpers.swap_node(pos, "elepower_machines:coal_alloy_furnace_active")
+		result = true
+	else
+		formspec = elepm.get_coal_alloy_furnace_formspec(100, 0)
+		ele.helpers.swap_node(pos, "elepower_machines:coal_alloy_furnace")
+		minetest.get_node_timer(pos):stop()
+	end
+
+	local infotext = "Alloy Furnace " .. active
+
+	--
+	-- Set meta values
+	--
+	meta:set_float("fuel_totaltime", fuel_totaltime)
+	meta:set_float("fuel_time", fuel_time)
+	meta:set_float("src_time", src_time)
+	meta:set_string("formspec", formspec)
+	meta:set_string("infotext", infotext)
+
+	return result
+end
+
+local function metadata_inventory_changed(pos)
+	local t = minetest.get_node_timer(pos)
+
+	if not t:is_started() then
+		t:start(1.0)
+	end
+end
+
+ele.register_base_device("elepower_machines:coal_alloy_furnace", {
+	description = "Coal-fired Alloy Furnace",
+	paramtype2 = "facedir",
+	ele_active_node = true,
+	ele_active_nodedef = {
+		tiles = {
+			"elepower_cfalloy_top.png", "elepower_cfalloy_bottom.png", "elepower_cfalloy_side.png",
+			"elepower_cfalloy_side.png", "elepower_cfalloy_side.png", {
+				name = "elepower_cfalloy_front_active.png",
+				animation = {
+					aspect_h = 16,
+					aspect_w = 16,
+					length = 1,
+					type = "vertical_frames",
+				}
+			}
+		}
+	},
+	tiles = {
+		"elepower_cfalloy_top.png", "elepower_cfalloy_bottom.png", "elepower_cfalloy_side.png",
+		"elepower_cfalloy_side.png", "elepower_cfalloy_side.png", "elepower_cfalloy_front.png"
+	},
+	on_construct = function (pos)
+		local meta = minetest.get_meta(pos)
+		local inv  = meta:get_inventory()
+
+		inv:set_size("src", 2)
+		inv:set_size("dst", 4)
+		inv:set_size("fuel", 1)
+
+		meta:set_string("formspec", elepm.get_coal_alloy_furnace_formspec(100, 0))
+	end,
+	allow_metadata_inventory_put = allow_metadata_inventory_put,
+	allow_metadata_inventory_take = allow_metadata_inventory_take,
+	allow_metadata_inventory_move = allow_metadata_inventory_move,
+	on_metadata_inventory_move = metadata_inventory_changed,
+	on_metadata_inventory_take = metadata_inventory_changed,
+	on_metadata_inventory_put  = metadata_inventory_changed,
+	can_dig = can_dig,
+	on_timer = alloy_furnace_timer,
+	groups = {
+		tubedevice = 1,
+		cracky = 2,
+	}
+})

elepower_machines/machines/init.lua

@@ -3,6 +3,7 @@ dofile(elepm.modpath.."/machines/bases/init.lua")
 dofile(elepm.modpath.."/machines/accumulator.lua")
 dofile(elepm.modpath.."/machines/furnace.lua")
 dofile(elepm.modpath.."/machines/alloy_furnace.lua")
+dofile(elepm.modpath.."/machines/coal_alloy_furnace.lua")
 dofile(elepm.modpath.."/machines/pulverizer.lua")
 dofile(elepm.modpath.."/machines/sawmill.lua")
 dofile(elepm.modpath.."/machines/generator.lua")

elepower_nuclear/craftitems.lua

@@ -0,0 +1,72 @@
+
+---------------------------
+-- Fission-related items --
+---------------------------
+
+-- Uranium
+
+minetest.register_craftitem("elepower_nuclear:uranium_lump", {
+	description = "Uranium Lump",
+	inventory_image = "elenuclear_uranium_lump.png"
+})
+
+minetest.register_craftitem("elepower_nuclear:uranium_ingot", {
+	description = "Enriched Uranium Ingot",
+	inventory_image = "elenuclear_uranium_ingot.png"
+})
+
+minetest.register_craftitem("elepower_nuclear:depleted_uranium_ingot", {
+	description = "Depleted Uranium Ingot",
+	inventory_image = "elenuclear_depleted_uranium_ingot.png"
+})
+
+-- Dusts
+
+minetest.register_craftitem("elepower_nuclear:uranium_dust", {
+	description = "Enriched Uranium Dust",
+	inventory_image = "elenuclear_uranium_dust.png"
+})
+
+minetest.register_craftitem("elepower_nuclear:depleted_uranium_dust", {
+	description = "Depleted Uranium Dust",
+	inventory_image = "elenuclear_depleted_uranium_dust.png"
+})
+
+minetest.register_craftitem("elepower_nuclear:uranium_waste", {
+	description = "Uranium Waste",
+	inventory_image = "elenuclear_uranium_waste.png"
+})
+
+-- Fuel rods
+
+minetest.register_craftitem("elepower_nuclear:fuel_rod_empty", {
+	description = "Empty Fuel Rod",
+	inventory_image = "elenuclear_fuel_rod_empty.png"
+})
+
+minetest.register_craftitem("elepower_nuclear:fuel_rod_fissile", {
+	description = "Fissile Fuel Rod",
+	inventory_image = "elenuclear_fuel_rod_fissile.png"
+})
+
+minetest.register_craftitem("elepower_nuclear:fuel_rod_depleted", {
+	description = "Depleted Fuel Rod",
+	inventory_image = "elenuclear_fuel_rod_depleted.png"
+})
+
+--------------------------
+-- Fusion-related items --
+--------------------------
+
+
+
+-------------------------
+-- Crafting components --
+-------------------------
+
+-- Graphite
+
+minetest.register_craftitem("elepower_nuclear:graphite_rod", {
+	description = "Graphite Rod",
+	inventory_image = "elenuclear_graphite_rod.png"
+})

elepower_nuclear/init.lua

@@ -5,3 +5,5 @@ local modpath = minetest.get_modpath(minetest.get_current_modname())
 
 elenuclear = rawget(_G, "elenuclear") or {}
 elenuclear.modpath = modpath
+
+dofile(modpath.."/craftitems.lua")

elepower_papi/machine.lua

@@ -74,7 +74,7 @@ local function allow_metadata_inventory_take(pos, listname, index, stack, player
 	return stack:get_count()
 end
 
-function metadata_inventory_changed(pos)
+local function metadata_inventory_changed(pos)
 	local t = minetest.get_node_timer(pos)
 
 	if not t:is_started() then