node states changed, bugs fixed, command interface to several nodes added

basic_machines/autocrafter.lua

@@ -26,8 +26,8 @@ local CRD = function(pos) return (minetest.registered_nodes[minetest.get_node(po
 local MP = minetest.get_modpath("techage")
 local I,_ = dofile(MP.."/intllib.lua")
 
-local STANDBY_TICKS = 10
+local STANDBY_TICKS = 6
-local COUNTDOWN_TICKS = 10
+local COUNTDOWN_TICKS = 4
 local CYCLE_TIME = 4
 
 local function formspec(self, pos, mem)
@@ -72,24 +72,32 @@ local function get_craft(pos, inventory, hash)
 		local recipe = inventory:get_list("recipe")
 		local output, decremented_input = minetest.get_craft_result(
 				{method = "normal", width = 3, items = recipe})
-		craft = {recipe = recipe, consumption=count_index(recipe), 
+		craft = {recipe = recipe, consumption = count_index(recipe), 
 				output = output, decremented_input = decremented_input}
 		autocrafterCache[hash] = craft
 	end
 	return craft
 end
 
-local function autocraft(pos, crd, mem, inventory, craft)
+local function autocraft(pos, crd, mem, inv)
-	if not craft then return false end
+	local craft = get_craft(pos, inv)
+	if not craft then 
+		crd.State:idle(pos, mem)
+		return
+	end
 	local output_item = craft.output.item
-
+	if output_item:get_name() == "" then
+		crd.State:idle(pos, mem)
+		return 
+	end
+		
 	-- check if we have enough room in dst
-	if not inventory:room_for_item("dst", output_item) then	
+	if not inv:room_for_item("dst", output_item) then	
 		crd.State:blocked(pos, mem)
 		return
 	end
 	local consumption = craft.consumption
-	local inv_index = count_index(inventory:get_list("src"))
+	local inv_index = count_index(inv:get_list("src"))
 	-- check if we have enough material available
 	for itemname, number in pairs(consumption) do
 		if (not inv_index[itemname]) or inv_index[itemname] < number then 
@@ -100,14 +108,14 @@ local function autocraft(pos, crd, mem, inventory, craft)
 	-- consume material
 	for itemname, number in pairs(consumption) do
 		for i = 1, number do -- We have to do that since remove_item does not work if count > stack_max
-			inventory:remove_item("src", ItemStack(itemname))
+			inv:remove_item("src", ItemStack(itemname))
 		end
 	end
 
 	-- craft the result into the dst inventory and add any "replacements" as well
-	inventory:add_item("dst", output_item)
+	inv:add_item("dst", output_item)
 	for i = 1, 9 do
-		inventory:add_item("dst", craft.decremented_input.items[i])
+		inv:add_item("dst", craft.decremented_input.items[i])
 	end
 	
 	crd.State:keep_running(pos, mem, COUNTDOWN_TICKS)
@@ -118,10 +126,7 @@ local function keep_running(pos, elapsed)
 	local mem = tubelib2.get_mem(pos)
 	local crd = CRD(pos)
 	local inv = M(pos):get_inventory()
-	local craft = get_craft(pos, inv)
+	autocraft(pos, crd, mem, inv)
-	local output_item = craft.output.item
-	autocraft(pos, crd, mem, inv, craft)
-	return crd.State:is_active(mem)
 end
 
 -- note, that this function assumes allready being updated to virtual items
@@ -353,12 +358,7 @@ local tubing = {
 		end
 	end,
 	on_recv_message = function(pos, topic, payload)
-		local resp = CRD(pos).State:on_receive_message(pos, topic, payload)
+		return CRD(pos).State:on_receive_message(pos, topic, payload)
-		if resp then
-			return resp
-		else
-			return "unsupported"
-		end
 	end,
 	on_node_load = function(pos)
 		CRD(pos).State:on_node_load(pos)
@@ -408,3 +408,4 @@ minetest.register_craft({
 		{"", "techage:vacuum_tube", ""},
 	},
 })
+

basic_machines/chest.lua

@@ -250,7 +250,8 @@ techage.register_node({"techage:chest_ta2", "techage:chest_ta3", "techage:chest_
 	on_recv_message = function(pos, topic, payload)
 		if topic == "state" then
 			local meta = minetest.get_meta(pos)
-			return techage.get_inv_state(meta, "main")
+			local inv = meta:get_inventory()
+			return techage.get_inv_state(inv, "main")
 		elseif topic == "player_action" then
 			local meta = minetest.get_meta(pos)
 			local number = meta:get_string("number")

basic_machines/grinder.lua

@@ -113,7 +113,6 @@ local function keep_running(pos, elapsed)
 	local crd = CRD(pos)
 	local inv = M(pos):get_inventory()
 	grinding(pos, crd, mem, inv)
-	return crd.State:is_active(mem)
 end
 
 local function on_receive_fields(pos, formname, fields, player)
@@ -188,12 +187,7 @@ local tubing = {
 		end
 	end,
 	on_recv_message = function(pos, topic, payload)
-		local resp = CRD(pos).State:on_receive_message(pos, topic, payload)
+		return CRD(pos).State:on_receive_message(pos, topic, payload)
-		if resp then
-			return resp
-		else
-			return "unsupported"
-		end
 	end,
 	on_node_load = function(pos)
 		CRD(pos).State:on_node_load(pos)

basic_machines/ta2_help.lua

@@ -0,0 +1,22 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+
+	TA2 help pages for basic machines
+	
+]]--
+
+-- Load support for intllib.
+local MP = minetest.get_modpath("techage")
+local I,_ = dofile(MP.."/intllib.lua")
+
+techage.register_help_page(I("TA2 Autocrafter"), 
+I([[Supports automated crafting of items.
+Crafts 1 item in 2 seconds.
+Needs axle power: 4]]), "techage:ta2_autocrafter_pas")

basic_machines/ta3_help.lua

@@ -0,0 +1,22 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+
+	TA3 help pages for basic machines
+	
+]]--
+
+-- Load support for intllib.
+local MP = minetest.get_modpath("techage")
+local I,_ = dofile(MP.."/intllib.lua")
+
+techage.register_help_page(I("TA3 Autocrafter"), 
+I([[Supports automated crafting of items.
+Crafts 2 items in 2 seconds.
+Needs electrical power: 6]]), "techage:ta3_autocrafter_pas")

basis/consumer.lua

@@ -28,12 +28,6 @@ local CRDN = function(node) return (minetest.registered_nodes[node.name] or {}).
 
 local CYCLE_TIME = 2 -- required from power
 
-local ValidPowerConsumingStates = {
-	[techage.RUNNING] = true,
-	[techage.BLOCKED] = true,
-	[techage.NOPOWER] = true,
-}
-
 local consume_power = techage.power.consume_power
 local power_available = techage.power.power_available
 
@@ -50,32 +44,32 @@ local function stop_node(pos, mem, state)
 end
 
 local function node_timer(pos, elapsed)
-	--print("node_timer")
 	local crd = CRD(pos)
 	local mem = tubelib2.get_mem(pos)
-	local state = crd.State:get_state(mem)
+	local state = mem.techage_state
-	if ValidPowerConsumingStates[state] then
+	if techage.needs_power(mem) then
 		local got = consume_power(pos, crd.power_consumption)
-		if state == techage.NOPOWER and got == crd.power_consumption then
+		if got < crd.power_consumption then
-			crd.State:start(pos, mem)
-		elseif state ~= techage.NOPOWER and got < crd.power_consumption then
 			crd.State:nopower(pos, mem)
 		end
 	elseif state == techage.STANDBY then
 		if crd.power_consumption > 0 and not power_available(pos) then
 			crd.State:nopower(pos, mem)
 		end
+	elseif state == techage.NOPOWER and power_available(pos) then
+		crd.State:start(pos, mem)
 	end
 	-- call the secondary timer routine with the requested frequency
-	local res
+	if techage.is_operational(mem) then
-	mem.conn_next_call = mem.conn_next_call or 0
+		mem.conn_next_call = mem.conn_next_call or 0
-	mem.conn_cycle_timer = (mem.conn_cycle_timer or 0) + CYCLE_TIME
+		mem.conn_cycle_timer = (mem.conn_cycle_timer or 0) + CYCLE_TIME
-	--print(mem.conn_next_call, mem.conn_cycle_timer)
+		--print(mem.conn_next_call, mem.conn_cycle_timer)
-	if mem.conn_cycle_timer >= mem.conn_next_call then
+		if mem.conn_cycle_timer >= mem.conn_next_call then
-		crd.node_timer(pos, crd.cycle_time)
+			crd.node_timer(pos, crd.cycle_time)
-		mem.conn_next_call = mem.conn_next_call + crd.cycle_time
+			mem.conn_next_call = mem.conn_next_call + crd.cycle_time
+		end
 	end
-	return ValidPowerConsumingStates[state] or state == techage.STANDBY
+	return crd.State:is_active(mem)
 end
 
 local function prepare_tiles(tiles, stage, power_png)

basis/lib.lua

@@ -74,6 +74,13 @@ function techage.index(list, x)
 	return nil
 end
 
+function techage.in_list(list, x)
+	for idx, v in pairs(list) do
+		if v == x then return true end
+	end
+	return false
+end
+
 function techage.add_to_set(set, x)
 	if not techage.index(set, x) then
 		table.insert(set, x)

basis/node_states.lua

@@ -36,11 +36,21 @@ Node states:
         |      |   |         |    |           |               |                                      
         |      |   V         |    V           V               |                                      
         |   +---------+   +----------+   +---------+          |                                      
-        |   |         |   | NOPOWER/ |   |         |          |                                      
+        |   |         |   |          |   |         |          |                                      
         +---| NOPOWER |   | STANDBY/ |   |  FAULT  |----------+                                      
             |         |   | BLOCKED  |   |         |                                                 
             +---------+   +----------+   +---------+                                                 
 
+
+	|           cycle time   operational   needs power
+	+---------+------------+-------------+-------------
+	| RUNNING    normal         yes           yes
+	| BLOCKED    long           yes           yes
+	| STANDBY    long           yes           no
+	| NOPOWER    long           no            no
+	| FAULT      none           no            no
+	| STOPPED    none           no            no
+
 Node mem data:
 	"techage_state"      - node state, like "RUNNING"
 	"techage_item_meter" - node item/runtime counter
@@ -56,21 +66,20 @@ local M = minetest.get_meta
 -- TechAge machine states
 --
 
-techage.STOPPED = 1	-- not operational/turned off
+techage.RUNNING = 1	-- in normal operation/turned on
-techage.RUNNING = 2	-- in normal operation/turned on
+techage.BLOCKED = 2 -- a pushing node is blocked due to a full destination inventory
-techage.STANDBY = 3	-- nothing to do (e.g. no input items), or blocked anyhow (output jammed),
+techage.STANDBY = 3	-- nothing to do (e.g. no input items), or node (world) not loaded
-                    -- or node (world) not loaded
+techage.NOPOWER = 4	-- only for power consuming nodes, no operation
-techage.NOPOWER = 4	-- only for power consuming nodes
 techage.FAULT   = 5	-- any fault state (e.g. wrong source items), which can be fixed by the player
-techage.BLOCKED = 6 -- a pushing node is blocked due to a full destination inventory
+techage.STOPPED = 6	-- not operational/turned off
 
 techage.StatesImg = {
-	"techage_inv_button_off.png", 
 	"techage_inv_button_on.png", 
+	"techage_inv_button_warning.png",
 	"techage_inv_button_standby.png", 
 	"techage_inv_button_nopower.png", 
 	"techage_inv_button_error.png",
-	"techage_inv_button_warning.png",
+	"techage_inv_button_off.png", 
 }
 
 -- Return state button image for the node inventory
@@ -91,17 +100,17 @@ function techage.get_power_image(pos, mem)
 end
 
 -- State string based on button states
-techage.StateStrings = {"stopped", "running", "standby", "nopower", "fault", "blocked"}
+techage.StateStrings = {"running", "blocked", "standby", "nopower", "fault", "stopped"}
 
 --
 -- Local States
 --
-local STOPPED = techage.STOPPED
 local RUNNING = techage.RUNNING
+local BLOCKED = techage.BLOCKED
 local STANDBY = techage.STANDBY
 local NOPOWER = techage.NOPOWER
 local FAULT   = techage.FAULT
-local BLOCKED = techage.BLOCKED
+local STOPPED = techage.STOPPED
 
 
 --
@@ -123,6 +132,17 @@ local function swap_node(pos, name)
 	minetest.swap_node(pos, node)
 end
 
+-- true if node_timer should be executed
+function techage.is_operational(mem)
+	local state = mem.techage_state or STOPPED
+	return state < NOPOWER
+end
+
+function techage.needs_power(mem)
+	local state = mem.techage_state or STOPPED
+	return state < STANDBY
+end
+
 function NodeStates:new(attr)
 	local o = {
 		-- mandatory
@@ -182,7 +202,7 @@ end
 
 function NodeStates:start(pos, mem, called_from_on_timer)
 	local state = mem.techage_state or STOPPED
-	if state == STOPPED or state == STANDBY or state == BLOCKED or state == NOPOWER then
+	if state ~= RUNNING and state ~= FAULT then
 		if not self.can_start(pos, mem, state) then
 			self:fault(pos, mem)
 			return false
@@ -279,6 +299,8 @@ function NodeStates:nopower(pos, mem)
 	local state = mem.techage_state or RUNNING
 	if state ~= STOPPED then
 		mem.techage_state = NOPOWER
+		-- timer has to be stopped once to be able to be restarted
+		self.stop_timer = true
 		if self.node_name_passive then
 			swap_node(pos, self.node_name_passive)
 		end
@@ -292,7 +314,7 @@ function NodeStates:nopower(pos, mem)
 		if self.on_state_change then
 			self.on_state_change(pos, state, NOPOWER)
 		end
-		minetest.get_node_timer(pos):stop()
+		minetest.get_node_timer(pos):start(self.cycle_time * self.standby_ticks)
 		return true
 	end
 	return false
@@ -329,13 +351,14 @@ function NodeStates:get_state_string(mem)
 	return techage.StateStrings[mem.techage_state or STOPPED]
 end
 
+-- keep the timer running?
 function NodeStates:is_active(mem)
 	local state = mem.techage_state or STOPPED
 	if self.stop_timer == true then
 		self.stop_timer = false
 		return false
 	end
-	return state == RUNNING or state == STANDBY or state == BLOCKED
+	return state < FAULT
 end
 
 function NodeStates:start_if_standby(pos)
@@ -404,6 +427,15 @@ function NodeStates:on_receive_message(pos, topic, payload)
 	elseif topic == "clear_counter" then
 		mem.techage_item_meter = 0
 		return true
+	elseif topic == "fuel" then
+		local inv = M(pos):get_inventory()
+		if inv:get_size("fuel") == 1 then
+			local stack = inv:get_stack("fuel", 1)
+			return stack:get_count()
+		end
+		return
+	else
+		return "unsupported"
 	end
 end
 	
@@ -415,7 +447,9 @@ function NodeStates:on_node_load(pos, not_start_timer)
 	local number = M(pos):get_string("node_number")
 	if number == "" then 
 		minetest.log("warning", "[TA] Node at "..S(pos).." has no node_number")
-		swap_node(pos, "techage:defect_dummy")
+		local name = minetest.get_node(pos).name
+		local number = techage.add_node(pos, name)
+		self:node_init(pos, mem, number)
 		return
 	end
 	

coal_power_station/firebox.lua

@@ -104,6 +104,7 @@ minetest.register_node("techage:coalfirebox", {
 	
 	on_construct = function(pos)
 		local mem = tubelib2.init_mem(pos)
+		techage.add_node(pos, "techage:coalfirebox")
 		mem.running = false
 		mem.burn_cycles = 0
 		mem.power_level = 4
@@ -208,9 +209,17 @@ techage.register_node({"techage:coalfirebox"}, {
 		return techage.put_items(inv, "fuel", stack)
 	end,
 	on_recv_message = function(pos, topic, payload)
+		local mem = tubelib2.get_mem(pos)
 		if topic == "state" then
-			local meta = minetest.get_meta(pos)
+			if mem.running then
-			return techage.get_inv_state(meta, "fuel")
+				return "running"
+			else
+				return "stopped"
+			end
+		elseif topic == "fuel" then
+			local inv = M(pos):get_inventory()
+			local stack = inv:get_stack("fuel", 1)
+			return stack:get_count()
 		else
 			return "unsupported"
 		end

coal_power_station/generator.lua

@@ -65,6 +65,7 @@ local State = techage.NodeStates:new({
 	cycle_time = CYCLE_TIME,
 	standby_ticks = STANDBY_TICKS,
 	formspec_func = formspec,
+	infotext_name = "TA3 Generator",
 	can_start = can_start,
 	start_node = start_node,
 	stop_node = stop_node,
@@ -124,7 +125,8 @@ minetest.register_node("techage:generator", {
 	
 	after_place_node = function(pos, placer)
 		local mem = tubelib2.get_mem(pos)
-		State:node_init(pos, mem, "")
+		local number = techage.add_node(pos, "techage:generator")
+		State:node_init(pos, mem, number)
 		on_rightclick(pos)
 	end,
 
@@ -213,7 +215,18 @@ techage.register_node({"techage:generator", "techage:generator_on"}, {
 				return 0
 			end
 		end
-	end
+	end,
+	on_recv_message = function(pos, topic, payload)
+		local mem = tubelib2.get_mem(pos)
+		if topic == "load" then
+			return techage.power.percent(PWR_CAPA, mem.provided)
+		else
+			return State:on_receive_message(pos, topic, payload)
+		end
+	end,
+	on_node_load = function(pos)
+		State:on_node_load(pos)
+	end,
 })
 
 techage.register_help_page(I("TA3 Generator"), 

furnace/cooking.lua

@@ -29,6 +29,16 @@ local KeyList = {}     -- index to Recipes key translation
 
 techage.furnace = {}
 
+
+local function all_ingredients_available(output, ingr)
+	for _,item in ipairs(Recipes[output].input) do
+		if not techage.in_list(ingr, item) then
+			return false
+		end
+	end
+	return true
+end			
+
 -- Return a list with all outputs of the given list of ingredients
 local function get_recipes(ingr)
 	if #ingr > 0 then
@@ -36,7 +46,9 @@ local function get_recipes(ingr)
 		for _,item in ipairs(ingr) do
 			if Ingredients[item] then
 				for _,output in ipairs(Ingredients[item]) do
-					tbl[#tbl+1] = output
+					if all_ingredients_available(output, ingr) then
+						techage.add_to_set(tbl, output)
+					end
 				end
 			end
 		end

furnace/firebox.lua

@@ -176,9 +176,17 @@ techage.register_node({"techage:furnace_firebox", "techage:furnace_firebox_on"},
 		return techage.put_items(inv, "fuel", stack)
 	end,
 	on_recv_message = function(pos, topic, payload)
+		local mem = tubelib2.get_mem(pos)
 		if topic == "state" then
-			local meta = minetest.get_meta(pos)
+			if mem.running then
-			return techage.get_inv_state(meta, "fuel")
+				return "running"
+			else
+				return "stopped"
+			end
+		elseif topic == "fuel" then
+			local inv = M(pos):get_inventory()
+			local stack = inv:get_stack("fuel", 1)
+			return stack:get_count()
 		else
 			return "unsupported"
 		end

furnace/furnace_top.lua

@@ -38,7 +38,7 @@ local range = techage.range
 local function formspec(self, pos, mem)
 	local ingr = get_ingredients(pos)
 	local num = num_recipes(ingr)
-	mem.recipe_idx = range(mem.recipe_idx or 1, 1, num)
+	mem.recipe_idx = range(mem.recipe_idx or 1, 0, num)
 	local idx = mem.recipe_idx
 	local output = get_output(mem, ingr, idx)
 	return "size[8,7.2]"..

init.lua

@@ -76,6 +76,8 @@ else
 	dofile(MP.."/steam_engine/flywheel.lua")
 	dofile(MP.."/steam_engine/gearbox.lua")
 	
+	dofile(MP.."/basic_machines/ta2_help.lua")
+	
 	-- Basic Machines
 	dofile(MP.."/basis/consumer.lua")  -- consumer base model
 	dofile(MP.."/basic_machines/source.lua")
@@ -90,7 +92,6 @@ else
 	dofile(MP.."/basic_machines/autocrafter.lua")
 	dofile(MP.."/basic_machines/forceload.lua")
 	dofile(MP.."/basic_machines/electronic_fab.lua")
-	dofile(MP.."/basic_machines/generator.lua")
 
 	-- Coal power station
 	dofile(MP.."/coal_power_station/help.lua")
@@ -101,6 +102,8 @@ else
 	dofile(MP.."/coal_power_station/turbine.lua")
 	dofile(MP.."/coal_power_station/cooler.lua")
 	dofile(MP.."/coal_power_station/akkubox.lua")
+	
+	dofile(MP.."/basic_machines/ta3_help.lua")
 
 	-- Industrial Furnace
 	dofile(MP.."/furnace/help.lua")
@@ -125,6 +128,7 @@ else
 	dofile(MP.."/oil/tower.lua")
 	dofile(MP.."/oil/drillbox.lua")
 	dofile(MP.."/oil/pumpjack.lua")
+	dofile(MP.."/oil/generator.lua")
 	
 	-- Nodes2
 	if techage.basalt_stone_enabled then

oil/generator.lua

@@ -76,6 +76,7 @@ local State = techage.NodeStates:new({
 	cycle_time = CYCLE_TIME,
 	standby_ticks = 0,
 	formspec_func = formspec,
+	infotext_name = "TA3 Tiny Power Generator",
 	can_start = can_start,
 	start_node = start_node,
 	stop_node = stop_node,
@@ -108,6 +109,7 @@ local function node_timer(pos, elapsed)
 			pos = pos, 
 			gain = 1,
 			max_hear_distance = 10})
+		State:keep_running(pos, mem, CYCLE_TIME)
 		return true
 	else
 		mem.provided = 0
@@ -143,7 +145,7 @@ local function on_rightclick(pos)
 end
 
 minetest.register_node("techage:tiny_generator", {
-	description = "Tiny Power Generator",
+	description = "TA3 Tiny Power Generator",
 	tiles = {
 		-- up, down, right, left, back, front
 		"techage_appl_electric_gen_top.png^techage_frame_ta3_top.png",
@@ -160,8 +162,10 @@ minetest.register_node("techage:tiny_generator", {
 
 	on_construct = function(pos)
 		local mem = tubelib2.init_mem(pos)
+		local number = techage.add_node(pos, "techage:tiny_generator")
 		mem.generating = false
 		mem.burn_cycles = 0
+		State:node_init(pos, mem, number)
 		local meta = M(pos)
 		meta:set_string("formspec", formspec(State, pos, mem))
 		local inv = meta:get_inventory()
@@ -177,7 +181,7 @@ minetest.register_node("techage:tiny_generator", {
 })
 
 minetest.register_node("techage:tiny_generator_on", {
-	description = "Tiny Power Generator",
+	description = "TA3 Tiny Power Generator",
 	tiles = {
 		-- up, down, right, left, back, front
 		"techage_appl_electric_gen_top.png^techage_frame_ta3_top.png",
@@ -226,6 +230,20 @@ techage.power.register_node({"techage:tiny_generator", "techage:tiny_generator_o
 	power_network  = Power,
 })
 
+techage.register_node({"techage:tiny_generator", "techage:tiny_generator_on"}, {
+	on_recv_message = function(pos, topic, payload)
+		local mem = tubelib2.get_mem(pos)
+		if topic == "load" then
+			return techage.power.percent(PWR_CAPA, mem.provided)
+		else
+			return State:on_receive_message(pos, topic, payload)
+		end
+	end,
+	on_node_load = function(pos)
+		State:on_node_load(pos)
+	end,
+})	
+
 minetest.register_craft({
 	output = "techage:tiny_generator",
 	recipe = {
@@ -234,3 +252,9 @@ minetest.register_craft({
 		{'default:steel_ingot', 'techage:vacuum_tube', 'default:steel_ingot'},
 	},
 })
+
+techage.register_help_page(I("TA3 Tiny Power Generator"), 
+I([[Small electrical power generator. Need oil as fuel.
+Provides power: 12
+Oil burn time: 100s]]), "techage:tiny_generator")
+

oil/help.lua

@@ -29,4 +29,3 @@ But oil is difficult and expensive to recover:
 
 techage.register_chap_page(S("TA3 Oil Age"), HelpText, "techage:oil_source")
 
-

steam_engine/boiler.lua

@@ -66,10 +66,12 @@ end
 
 local function start_node(pos, mem, state)
 	mem.running = true
+	mem.power_ratio = 0
 end
 
 local function stop_node(pos, mem, state)
 	mem.running = false
+	mem.power_ratio = 0
 end
 
 local State = techage.NodeStates:new({

tools/repairkit.lua

@@ -40,14 +40,29 @@ local M = minetest.get_meta
 
 local function read_state(itemstack, user, pointed_thing)
 	local pos = pointed_thing.under
-	if pos then
+	if pos and user then
 		local number = techage.get_node_number(pos)
 		if number then
-			local state = techage.send_single(number, "state", nil)
+			local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
-			local counter = techage.send_single(number, "counter", nil)
+			if ndef and ndef.description then
-			if state and counter then
+				local state = techage.send_single(number, "state", nil)
-				if type(counter) ~= "number" then counter = "unknown" end
+				if state and state ~= "" and state ~= "unsupported" then
-				minetest.chat_send_player(user:get_player_name(), "[TechAge] state ="..state..", counter = "..counter)
+					minetest.chat_send_player(user:get_player_name(), ndef.description.." "..number..": state = "..state.."    ")
+				end
+				local fuel = techage.send_single(number, "fuel", nil)
+				if fuel and fuel ~= "" and fuel ~= "unsupported" then
+					minetest.chat_send_player(user:get_player_name(), ndef.description.." "..number..": fuel = "..fuel.."    ")
+				end
+				local counter = techage.send_single(number, "counter", nil)
+				if counter and counter ~= "" and counter ~= "unsupported" then
+					minetest.chat_send_player(user:get_player_name(), ndef.description.." "..number..": counter = "..counter.."    ")
+				end
+				local load = techage.send_single(number, "load", nil)
+				if load and load ~= "" and load ~= "unsupported" then
+					minetest.chat_send_player(user:get_player_name(), ndef.description.." "..number..": load = "..load.." %    ")
+				end
+				itemstack:add_wear(65636/200)
+				return itemstack
 			end
 		end
 	end
@@ -60,17 +75,19 @@ minetest.register_tool("techage:repairkit", {
 	groups = {cracky=1, book=1},
 	on_use = read_state,
 	node_placement_prediction = "",
+	stack_max = 1,
 })
 
 
-minetest.register_node("techage:end_wrench", {
+minetest.register_tool("techage:end_wrench", {
-	description = "TechAge End Wrench (use = read status, place = destroy)",
+	description = "TechAge End Wrench (use = read status, place = cmd: on/off)",
 	inventory_image = "techage_end_wrench.png",
 	wield_image = "techage_end_wrench.png",
 	groups = {cracky=1, book=1},
 	on_use = read_state,
 	on_place = read_state,
 	node_placement_prediction = "",
+	stack_max = 1,
 })
 
 minetest.register_craft({
@@ -83,10 +100,10 @@ minetest.register_craft({
 })
 
 minetest.register_craft({
-	output = "techage:end_wrench 4",
+	output = "techage:end_wrench",
 	recipe = {
 		{"", "", "default:steel_ingot"},
-		{"", "default:tin_ingot", ""},
+		{"", "techage:iron_ingot", ""},
 		{"default:steel_ingot", "", ""},
 	},
 })