Add TA5 heat exchanger for the FR

basis/liquid_lib.lua

@@ -190,7 +190,7 @@ local function fill_on_punch(nvm, empty_container, item_count, puncher)
 end
 
 local function legacy_items(full_container, item_count)
-	if full_container == "techage:hydrogen" then
+	if full_container == "techage:isobutane" then
 		return {container = "", size = item_count, inv_item = full_container}
 	elseif full_container == "techage:oil_source" then
 		return {container = "", size = item_count, inv_item = full_container}

fusion_reactor/controller.lua

@@ -19,55 +19,108 @@ local M = minetest.get_meta
 local S = techage.S
 
 local Cable = techage.ElectricCable
-local Pipe = techage.GasPipe
 local power = networks.power
-local liquid = networks.liquid
 local control = networks.control
 
-minetest.register_node("techage:ta5_fr_controller", {
+local CYCLE_TIME = 2
-	description = "TA5 Fusion Reactor Controller",
+local STANDBY_TICKS = 3
+local COUNTDOWN_TICKS = 3
+local PWR_NEEDED = 4
+
+local function concentrate(t)
+	local yes = 0
+	local no = 0
+	for _,v in ipairs(t) do
+		if v then
+			yes = yes + 1
+		else
+			no = no + 1
+		end
+	end
+	return yes .. " yes, " .. no .. " no"
+end
+
+local function nucleus(t)
+	if #t == 4 then
+		if vector.equals(t[1], t[2]) and vector.equals(t[3], t[4]) then
+			return "ok"
+		end
+	end
+	return "error"
+	
+end
+
+local Commands = {
+	function(pos, outdir)
+		local resp = control.request(pos, Cable, outdir, "con", "test_plasma")
+		return "test_plasma: " .. concentrate(resp)
+	end,
+	function(pos, outdir)
+		local resp = control.request(pos, Cable, outdir, "con", "test_shell")
+		return "test_shell: " .. concentrate(resp)
+	end,
+	function(pos, outdir)
+		local resp = control.request(pos, Cable, outdir, "con", "test_gas")
+		return "test_gas: " .. concentrate(resp)
+	end,
+	function(pos, outdir)
+		local resp = control.request(pos, Cable, outdir, "con", "test_nucleus")
+		return "test_nucleus: " .. nucleus(resp)
+	end,
+	function(pos, outdir)
+		local resp = control.send(pos, Cable, outdir, "con", "on")
+		return "on " .. resp
+	end,
+	function(pos, outdir)
+		local resp = control.send(pos, Cable, outdir, "con", "off")
+		return "off " .. resp
+	end,
+}
+
+local function after_place_node(pos, placer, itemstack)
+	local nvm = techage.get_nvm(pos)
+	local meta = M(pos)
+	local own_num = techage.add_node(pos, "techage:ta5_fr_controller_pas")
+	meta:set_string("node_number", own_num)
+	meta:set_string("owner", placer:get_player_name())
+	meta:set_string("infotext", S("TA5 Fusion Reactor Controller") .. " " .. own_num)
+	minetest.get_node_timer(pos):start(CYCLE_TIME)
+	Cable:after_place_node(pos)
+end
+
+local function node_timer(pos)
+	local nvm = techage.get_nvm(pos)
+	local outdir = networks.side_to_outdir(pos, "L")
+	nvm.consumed = power.consume_power(pos, Cable, outdir, 1)
+
+	local mem = techage.get_mem(pos)
+	mem.idx = ((mem.idx or 0) % #Commands) + 1
+	outdir = networks.Flip[outdir]
+	local res = Commands[mem.idx](pos, outdir)
+	print(res)
+	return true
+end
+
+local function after_dig_node(pos, oldnode, oldmetadata)
+	Cable:after_dig_node(pos)
+	techage.remove_node(pos, oldnode, oldmetadata)
+	techage.del_mem(pos)
+end
+
+minetest.register_node("techage:ta5_fr_controller_pas", {
+	description = S("TA5 Fusion Reactor Controller"),
 	tiles = {
 		-- up, down, right, left, back, front
-		"techage_filling_ta4.png^techage_frame_ta5_top.png",
+		"techage_filling_ta4.png^techage_frame_ta5_top.png^techage_appl_arrow.png",
 		"techage_filling_ta4.png^techage_frame_ta4_bottom.png",
 		"techage_filling_ta4.png^techage_frame_ta5.png^techage_appl_hole_electric.png",
 		"techage_filling_ta4.png^techage_frame_ta5.png^techage_appl_hole_electric.png",
 		"techage_filling_ta4.png^techage_frame_ta5.png",
-		"techage_filling_ta4.png^techage_frame_ta5.png",
+		"techage_filling_ta4.png^techage_appl_plasma.png^techage_frame_ta5.png",
 	},
-	after_place_node = function(pos, placer, itemstack)
+	after_place_node = after_place_node,
-		minetest.get_node_timer(pos):start(2)
+	on_timer = node_timer,
-		Cable:after_place_node(pos)
+	after_dig_node = after_dig_node,
-	end,
-	on_timer = function(pos)
-		local node = minetest.get_node(pos) or {}
-		local outdir = networks.side_to_outdir(pos, "R")
-		local mem = techage.get_mem(pos)
-		mem.idx = ((mem.idx or 0) + 1) % 4
-		local cmnd = ({[0]= "test_plasma", "test_shell", "on", "off"})[mem.idx]
-		if mem.idx <= 1 then
-			local resp = control.request(
-				pos, 
-				Cable, 
-				outdir, 
-				"con", 
-				cmnd)
-			print(dump(resp))
-		else
-			local resp = control.send(
-				pos, 
-				Cable, 
-				outdir, 
-				"con", 
-				cmnd)
-			print(dump(resp))
-		end
-		return true
-	end,
-	after_dig_node = function(pos, oldnode)
-		Cable:after_dig_node(pos)
-		techage.del_mem(pos)
-	end,
 	drawtype = "nodebox",
 	paramtype2 = "facedir",
 	groups = {choppy=2, cracky=2, crumbly=2},
@@ -75,4 +128,35 @@ minetest.register_node("techage:ta5_fr_controller", {
 	sounds = default.node_sound_metal_defaults(),
 })
 
-power.register_nodes({"techage:ta5_fr_controller"}, Cable, "con", {"L", "R"})
+minetest.register_node("techage:ta5_fr_controller_act", {
+	description = S("TA5 Fusion Reactor Controller"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta4.png^techage_frame_ta5_top.png^techage_appl_arrow.png",
+		"techage_filling_ta4.png^techage_frame_ta4_bottom.png",
+		"techage_filling_ta4.png^techage_frame_ta5.png^techage_appl_hole_electric.png",
+		"techage_filling_ta4.png^techage_frame_ta5.png^techage_appl_hole_electric.png",
+		"techage_filling_ta4.png^techage_frame_ta5.png",
+		{
+			image = "techage_filling4_ta4.png^techage_appl_plasma4.png^techage_frame4_ta5.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 64,
+				aspect_h = 64,
+				length = 0.5,
+			},
+		},
+	},
+	after_place_node = after_place_node,
+	on_timer = node_timer,
+	after_dig_node = after_dig_node,
+	drawtype = "nodebox",
+	paramtype2 = "facedir",
+	groups = {choppy=2, cracky=2, crumbly=2},
+	is_ground_content = false,
+	sounds = default.node_sound_metal_defaults(),
+})
+
+power.register_nodes({"techage:ta5_fr_controller_pas", "techage:ta5_fr_controller_act"}, Cable, "con", {"L", "R"})
+

fusion_reactor/gas_pipe.lua

@@ -20,7 +20,7 @@ local S = techage.S
 
 local MAX_PIPE_LENGHT = 100
 
-local power = networks.power
+local liquid = networks.liquid
 
 local Pipe = tubelib2.Tube:new({
 	dirs_to_check = {1,2,3,4,5,6},
@@ -29,13 +29,19 @@ local Pipe = tubelib2.Tube:new({
 	force_to_use_tubes = false,
 	tube_type = "pipe3",
 	primary_node_names = {
-		"techage:ta5_pipeS", "techage:ta5_pipeA",
+		"techage:ta5_pipe1S", "techage:ta5_pipe1A",
+		"techage:ta5_pipe2S", "techage:ta5_pipe2A",
 	},
 	secondary_node_names = {},
 	after_place_tube = function(pos, param2, tube_type, num_tubes)
 		local name = minetest.get_node(pos).name
 		if not networks.hidden_name(pos) then
-			minetest.swap_node(pos, {name = "techage:ta5_pipe"..tube_type, param2 = param2 % 32})
+			local name = minetest.get_node(pos).name
+			if name == "techage:ta5_pipe1S" or name == "techage:ta5_pipe1A" then
+				minetest.swap_node(pos, {name = "techage:ta5_pipe1"..tube_type, param2 = param2 % 32})
+			else
+				minetest.swap_node(pos, {name = "techage:ta5_pipe2"..tube_type, param2 = param2 % 32})
+			end
 		end
 		M(pos):set_int("netw_param2", param2) 
 	end,
@@ -46,18 +52,18 @@ networks.use_metadata(Pipe)
 
 -- Use global callback instead of node related functions
 Pipe:register_on_tube_update2(function(pos, outdir, tlib2, node)
-	power.update_network(pos, outdir, tlib2, node)
+	liquid.update_network(pos, outdir, tlib2, node)
 end)
 
-minetest.register_node("techage:ta5_pipeS", {
+minetest.register_node("techage:ta5_pipe1S", {
 	description = S("TA5 Pipe"),
 	tiles = {
-		"techage_ta5_gaspipe.png^[transformR90",
+		"techage_ta5_gaspipe.png^[transformR90^[colorize:#000080:160",
-		"techage_ta5_gaspipe.png^[transformR90",
+		"techage_ta5_gaspipe.png^[transformR90^[colorize:#000080:160",
-		"techage_ta5_gaspipe.png",
+		"techage_ta5_gaspipe.png^[colorize:#000080:160",
-		"techage_ta5_gaspipe.png",
+		"techage_ta5_gaspipe.png^[colorize:#000080:160",
-		"techage_ta5_gaspipe_hole2.png",
+		"techage_ta5_gaspipe_hole2.png^[colorize:#000080:160",
-		"techage_ta5_gaspipe_hole2.png",
+		"techage_ta5_gaspipe_hole2.png^[colorize:#000080:160",
 	},
 
 	after_place_node = function(pos, placer, itemstack, pointed_thing)
@@ -89,15 +95,15 @@ minetest.register_node("techage:ta5_pipeS", {
 	sounds = default.node_sound_metal_defaults(),
 })
 
-minetest.register_node("techage:ta5_pipeA", {
+minetest.register_node("techage:ta5_pipe1A", {
 	description = S("TA5 Pipe"),
 	tiles = {
-		"techage_ta5_gaspipe_knee2.png",
+		"techage_ta5_gaspipe_knee2.png^[colorize:#000080:160",
-		"techage_ta5_gaspipe_hole2.png^[transformR180",
+		"techage_ta5_gaspipe_hole2.png^[transformR180^[colorize:#000080:160",
-		"techage_ta5_gaspipe_knee.png^[transformR270",
+		"techage_ta5_gaspipe_knee.png^[transformR270^[colorize:#000080:160",
-		"techage_ta5_gaspipe_knee.png",
+		"techage_ta5_gaspipe_knee.png^[colorize:#000080:160",
-		"techage_ta5_gaspipe_knee2.png",
+		"techage_ta5_gaspipe_knee2.png^[colorize:#000080:160",
-		"techage_ta5_gaspipe_hole2.png",
+		"techage_ta5_gaspipe_hole2.png^[colorize:#000080:160",
 	},
 
 	after_dig_node = function(pos, oldnode, oldmetadata, digger)
@@ -123,7 +129,84 @@ minetest.register_node("techage:ta5_pipeA", {
 	groups = {crumbly = 2, cracky = 2, snappy = 2, 
 		not_in_creative_inventory=1, techage_trowel = 1},
 	sounds = default.node_sound_metal_defaults(),
-	drop = "techage:ta5_pipeS",
+	drop = "techage:ta5_pipe1S",
+})
+
+minetest.register_node("techage:ta5_pipe2S", {
+	description = S("TA5 Pipe"),
+	tiles = {
+		"techage_ta5_gaspipe.png^[transformR90^[colorize:#008000:160",
+		"techage_ta5_gaspipe.png^[transformR90^[colorize:#008000:160",
+		"techage_ta5_gaspipe.png^[colorize:#008000:160",
+		"techage_ta5_gaspipe.png^[colorize:#008000:160",
+		"techage_ta5_gaspipe_hole2.png^[colorize:#008000:160",
+		"techage_ta5_gaspipe_hole2.png^[colorize:#008000:160",
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Pipe:after_place_tube(pos, placer, pointed_thing) then
+			minetest.remove_node(pos)
+			return true
+		end
+		return false
+	end,
+
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Pipe:after_dig_tube(pos, oldnode, oldmetadata)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-1/16, -1/16, -8/16,  1/16, 1/16, 8/16},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {crumbly = 2, cracky = 2, snappy = 2, techage_trowel = 1},
+	sounds = default.node_sound_metal_defaults(),
+})
+
+minetest.register_node("techage:ta5_pipe2A", {
+	description = S("TA5 Pipe"),
+	tiles = {
+		"techage_ta5_gaspipe_knee2.png^[colorize:#008000:160",
+		"techage_ta5_gaspipe_hole2.png^[transformR180^[colorize:#008000:160",
+		"techage_ta5_gaspipe_knee.png^[transformR270^[colorize:#008000:160",
+		"techage_ta5_gaspipe_knee.png^[colorize:#008000:160",
+		"techage_ta5_gaspipe_knee2.png^[colorize:#008000:160",
+		"techage_ta5_gaspipe_hole2.png^[colorize:#008000:160",
+	},
+
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Pipe:after_dig_tube(pos, oldnode, oldmetadata)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-1/16, -8/16, -1/16, 1/16, 1/16,   1/16},
+			{-2/16, -0.5,  -2/16, 2/16, -13/32, 2/16},
+			{-1/16, -1/16, -8/16, 1/16, 1/16,   -1/16},
+			{-2/16, -2/16, -0.5,  2/16, 2/16,   -13/32},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {crumbly = 2, cracky = 2, snappy = 2, 
+		not_in_creative_inventory=1, techage_trowel = 1},
+	sounds = default.node_sound_metal_defaults(),
+	drop = "techage:ta5_pipe2S",
 })
 
 local size1 = 1/16
@@ -139,7 +222,7 @@ local Boxes = {
 		{ size3, -size2, -size2, 0.5, size2,  size2}, -- x+
 	},
 	{
-		{-size1, -size1, -0.5,  size1,  size1,  size1}, -- z- 2d5627
+		{-size1, -size1, -0.5,  size1,  size1,  size1}, -- z-
 		{-size2, -size2, -0.5,  size2,  size2, -size3}, -- z-
 	},
 	{
@@ -156,32 +239,58 @@ local Boxes = {
 	}
 }
 
-local names = networks.register_junction("techage:ta5_junctionpipe", 1/8, Boxes, Pipe, {
+local names1 = networks.register_junction("techage:ta5_junctionpipe1", 1/8, Boxes, Pipe, {
 	description = S("TA5 Junction Pipe"),
-	tiles = {"techage_ta5_gaspipe_junction.png"},
+	tiles = {"techage_ta5_gaspipe_junction.png^[colorize:#000080:160"},
 	use_texture_alpha = techage.CLIP,
 	is_ground_content = false,
 	groups = {crumbly = 2, cracky = 2, snappy = 2, techage_trowel = 1},
 	sounds = default.node_sound_metal_defaults(),
 
 	after_place_node = function(pos, placer, itemstack, pointed_thing)
-		local name = "techage:ta5_junctionpipe" .. networks.junction_type(pos, Pipe)
+		local name = "techage:ta5_junctionpipe1" .. networks.junction_type(pos, Pipe)
 		minetest.swap_node(pos, {name = name, param2 = 0})
 		Pipe:after_place_node(pos)
 	end,
 	tubelib2_on_update2 = function(pos, dir1, tlib2, node)
 		if not networks.hidden_name(pos) then
-			local name = "techage:ta5_junctionpipe" .. networks.junction_type(pos, Pipe)
+			local name = "techage:ta5_junctionpipe1" .. networks.junction_type(pos, Pipe)
 			minetest.swap_node(pos, {name = name, param2 = 0})
 		end
-		power.update_network(pos, 0, tlib2, node)
+		liquid.update_network(pos, 0, tlib2, node)
 	end,
 	after_dig_node = function(pos, oldnode, oldmetadata, digger)
 		Pipe:after_dig_node(pos)
 	end,
 }, 25)
 
-power.register_nodes(names, Pipe, "junc")
+local names2 = networks.register_junction("techage:ta5_junctionpipe2", 1/8, Boxes, Pipe, {
+	description = S("TA5 Junction Pipe"),
+	tiles = {"techage_ta5_gaspipe_junction.png^[colorize:#008000:160"},
+	use_texture_alpha = techage.CLIP,
+	is_ground_content = false,
+	groups = {crumbly = 2, cracky = 2, snappy = 2, techage_trowel = 1},
+	sounds = default.node_sound_metal_defaults(),
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		local name = "techage:ta5_junctionpipe2" .. networks.junction_type(pos, Pipe)
+		minetest.swap_node(pos, {name = name, param2 = 0})
+		Pipe:after_place_node(pos)
+	end,
+	tubelib2_on_update2 = function(pos, dir1, tlib2, node)
+		if not networks.hidden_name(pos) then
+			local name = "techage:ta5_junctionpipe2" .. networks.junction_type(pos, Pipe)
+			minetest.swap_node(pos, {name = name, param2 = 0})
+		end
+		liquid.update_network(pos, 0, tlib2, node)
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Pipe:after_dig_node(pos)
+	end,
+}, 25)
+
+liquid.register_nodes(names1, Pipe, "junc")
+liquid.register_nodes(names2, Pipe, "junc")
 
 --minetest.register_craft({
 --	output = "techage:ta3_junctionpipe25 2",

fusion_reactor/generator.lua

@@ -0,0 +1,130 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA4 TES Generator (dummy)
+	- can be started and stopped
+    - provides netID of cable network
+]]--
+
+-- for lazy programmers
+local M = minetest.get_meta
+local S = techage.S
+
+local Cable = techage.ElectricCable
+local power = networks.power
+
+local function swap_node(pos, name)
+	local node = techage.get_node_lvm(pos)
+	if node.name == name then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+end
+
+minetest.register_node("techage:ta4_generator", {
+	description = S("TA4 Generator"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta4.png^techage_frame_ta4_top.png",
+		"techage_filling_ta4.png^techage_frame_ta4.png",
+		"techage_filling_ta4.png^techage_appl_hole_electric.png^techage_frame_ta4.png",
+		"techage_filling_ta4.png^techage_appl_open.png^techage_frame_ta4.png",
+		"techage_filling_ta4.png^techage_frame_ta4.png^techage_appl_generator.png",
+		"techage_filling_ta4.png^techage_frame_ta4.png^techage_appl_generator.png^[transformFX]",
+	},
+
+	after_place_node = function(pos)
+		M(pos):set_int("outdir", networks.side_to_outdir(pos, "R"))
+		Cable:after_place_node(pos)
+	end,
+	after_dig_node = function(pos, oldnode)
+		Cable:after_dig_node(pos)
+		techage.del_mem(pos)
+	end,
+
+	paramtype2 = "facedir",
+	groups = {cracky=2, crumbly=2, choppy=2},
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("techage:ta4_generator_on", {
+	description = S("TA4 Generator"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta4.png^techage_frame_ta4_top.png",
+		"techage_filling_ta4.png^techage_frame_ta4.png",
+		"techage_filling_ta4.png^techage_appl_hole_electric.png^techage_frame_ta4.png",
+		"techage_filling_ta4.png^techage_appl_open.png^techage_frame_ta4.png",
+		{
+			image = "techage_filling4_ta4.png^techage_appl_generator4.png^techage_frame4_ta4.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.3,
+			},
+		},
+		{
+			image = "techage_filling4_ta4.png^techage_appl_generator4.png^[transformFX]^techage_frame4_ta4.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.3,
+			},
+		},
+	},
+
+	paramtype2 = "facedir",
+	drop = "",
+	groups = {not_in_creative_inventory=1},
+	diggable = false,
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+-- The generator is a dummy, it only has to network connection to check the netID
+power.register_nodes({"techage:ta4_generator", "techage:ta4_generator_on"}, Cable, "con", {"R"})
+
+-- controlled by the turbine
+techage.register_node({"techage:ta4_generator", "techage:ta4_generator_on"}, {
+	on_transfer = function(pos, in_dir, topic, payload)
+		if topic == "netID" then
+			local outdir = M(pos):get_int("outdir")
+			return networks.determine_netID(pos, Cable, outdir)
+		elseif topic == "start" then
+			swap_node(pos, "techage:ta4_generator_on")
+		elseif topic == "stop" then
+			swap_node(pos, "techage:ta4_generator")
+		end
+	end,
+	on_recv_message = function(pos, src, topic, payload)
+		return "unsupported"
+	end,
+	on_node_load = function(pos)
+		-- remove legacy formspec
+		M(pos):set_string("formspec", "")
+	end,
+})
+
+minetest.register_craft({
+	output = "techage:ta4_generator",
+	recipe = {
+		{"", "dye:blue", ""},
+		{"", "techage:generator", ""},
+		{"", "techage:ta4_wlanchip", ""},
+	},
+})

fusion_reactor/heatexchanger1.lua

@@ -0,0 +1,110 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2022 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA5 Heat Exchanger1 (bottom part)
+	- has a connection to storage and turbine (via pipes)
+	- acts as a cable junction for Exchanger2
+]]--
+
+-- for lazy programmers
+local S2P = minetest.string_to_pos
+local P2S = minetest.pos_to_string
+local M = minetest.get_meta
+local S = techage.S
+
+local Cable = techage.ElectricCable
+local Pipe2 = techage.LiquidPipe
+local Pipe3 = techage.GasPipe
+local power = networks.power
+local liquid = networks.liquid
+local control = networks.control
+
+local function turbine_cmnd(pos, topic, payload)
+	return techage.transfer(pos, "R", topic, payload, Pipe2,
+		{"techage:ta5_turbine", "techage:ta5_turbine_on"})
+end
+
+-- Send to the magnets
+local function control_cmnd(pos, topic)
+	local outdir = networks.side_to_outdir(pos, "L")
+	print("control_cmnd1", outdir, "tank", topic)
+	return control.request(pos, Pipe3, outdir, "tank", topic)
+end
+
+minetest.register_node("techage:ta5_heatexchanger1", {
+	description = S("TA5 Heat Exchanger 1"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_hole_ta4.png^techage_appl_arrow_white.png",
+		"techage_filling_ta4.png^techage_frame_ta4.png",
+		"techage_filling_ta4.png^techage_frameB_ta4.png^techage_appl_hole_pipe.png",
+		"techage_filling_ta4.png^techage_frameB_ta4.png^techage_appl_hole_ta5_pipe2.png",
+		"techage_filling_ta4.png^techage_frameB_ta4.png^techage_appl_hole_electric.png",
+		"techage_filling_ta4.png^techage_frameB_ta4.png^techage_appl_hole_electric.png",
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		Cable:after_place_node(pos)
+		Pipe2:after_place_node(pos)
+		Pipe3:after_place_node(pos)
+	end,
+	tubelib2_on_update2 = function(pos, outdir, tlib2, node)
+		if tlib2 == Cable then
+			power.update_network(pos, 0, Cable, node) -- junction!!!
+		elseif tlib2 == Pipe2 then
+			power.update_network(pos, outdir, Pipe2, node)
+		else
+			power.update_network(pos, outdir, Pipe3, node)
+		end
+	end,
+	can_dig = function(pos, player)
+		if minetest.is_protected(pos, player:get_player_name()) then
+			return false
+		end
+		pos.y = pos.y + 1
+		return minetest.get_node(pos).name ~= "techage:ta5_heatexchanger2"
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_node(pos)
+		Pipe2:after_dig_node(pos)
+		Pipe3:after_dig_node(pos)
+	end,
+	paramtype2 = "facedir",
+	groups = {crumbly = 2, cracky = 2, snappy = 2},
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_metal_defaults(),
+})
+
+liquid.register_nodes({"techage:ta5_heatexchanger1"}, Pipe2, "tank", {"R"}, {})
+liquid.register_nodes({"techage:ta5_heatexchanger1"}, Pipe3, "tank", {"L"}, {})
+power.register_nodes({"techage:ta5_heatexchanger1"}, Cable, "junc", {"F", "B", "U"})
+
+-- command interface
+techage.register_node({"techage:ta5_heatexchanger1"}, {
+	on_transfer = function(pos, indir, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		-- used by heatexchanger2
+		if topic == "test_gas_blue" then
+			return control_cmnd(pos, topic)
+		else
+			return turbine_cmnd(pos, topic, payload)
+		end
+	end,
+})
+
+--minetest.register_craft({
+--	output = "techage:ta5_heatexchanger1",
+--	recipe = {
+--		{"default:tin_ingot", "techage:electric_cableS", "default:steel_ingot"},
+--		{"techage:ta4_pipeS", "basic_materials:gear_steel", "techage:ta4_pipeS"},
+--		{"", "techage:baborium_ingot", ""},
+--	},
+--})

fusion_reactor/heatexchanger2.lua

@@ -0,0 +1,339 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2022 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA5 Heat Exchanger2 (middle part)
+
+]]--
+
+-- for lazy programmers
+local S2P = minetest.string_to_pos
+local P2S = minetest.pos_to_string
+local M = minetest.get_meta
+local S = techage.S
+
+local Cable = techage.ElectricCable
+local power = networks.power
+local control = networks.control
+
+local CYCLE_TIME = 2
+local PWR_NEEDED = 5
+local DOWN = 5  -- dir
+local DESCRIPTION = S("TA5 Heat Exchanger")
+local EXPECT_BLUE = 56
+local EXPECT_GREEN = 52
+
+local function heatexchanger1_cmnd(pos, topic, payload)
+	return techage.transfer({x = pos.x, y = pos.y - 1, z = pos.z},
+		nil, topic, payload, nil,
+		{"techage:ta5_heatexchanger1"})
+end
+
+local function heatexchanger3_cmnd(pos, topic, payload)
+	return techage.transfer({x = pos.x, y = pos.y + 1, z = pos.z},
+		nil, topic, payload, nil,
+		{"techage:ta5_heatexchanger3"})
+end
+
+local function swap_node(pos, name)
+	local node = techage.get_node_lvm(pos)
+	if node.name == name then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+end
+
+local function play_sound(pos)
+	local mem = techage.get_mem(pos)
+	if not mem.handle or mem.handle == -1 then
+		mem.handle = minetest.sound_play("techage_booster", {
+			pos = pos,
+			gain = 0.3,
+			max_hear_distance = 10,
+			loop = true})
+		if mem.handle == -1 then
+			minetest.after(1, play_sound, pos)
+		end
+	end
+end
+
+local function stop_sound(pos)
+	local mem = techage.get_mem(pos)
+	if mem.handle then
+		minetest.sound_stop(mem.handle)
+		mem.handle = nil
+	end
+end
+
+local function concentrate(t)
+	local cnt = 0
+	for _,v in ipairs(t) do
+		if v then
+			cnt = cnt + 1
+		end
+	end
+	return cnt
+end
+
+local CheckCommands = {
+	function(pos)
+		if not power.power_available(pos, Cable, DOWN) then
+			return S("No power")
+		end
+		return true
+	end,
+	function(pos)
+		local resp = heatexchanger1_cmnd(pos, "test_gas_blue")
+		local cnt = concentrate(resp)
+		if cnt ~= EXPECT_BLUE then
+			return S("Blue pipe error (@1/@2)", cnt, EXPECT_BLUE)
+		end
+		return true
+	end,
+	function(pos)
+		local resp = heatexchanger3_cmnd(pos, "test_gas_green")
+		local cnt = concentrate(resp)
+		if cnt ~= EXPECT_GREEN then
+			return S("Green pipe error (@1/@2)", cnt, EXPECT_GREEN)
+		end
+		return true
+	end,
+	function(pos)
+		if not heatexchanger1_cmnd(pos, "turbine") then
+			return S("Turbine error")
+		end
+		return true
+	end,
+	function(pos)
+		if not heatexchanger3_cmnd(pos, "turbine") then
+			return S("Cooler error")
+		end
+		return true
+	end,
+}
+
+local function can_start(pos, nvm)
+	for _,item in ipairs(CheckCommands) do
+		local res = item(pos)
+		if res ~= true then return res end
+	end
+	return true
+end
+
+local function start_node(pos, nvm)
+	play_sound(pos)
+	nvm.ticks = 0
+	heatexchanger1_cmnd(pos, "start")
+end
+
+local function stop_node(pos, nvm)
+	stop_sound(pos)
+	heatexchanger1_cmnd(pos, "stop")
+end
+
+local function formspec(self, pos, nvm)
+	return "size[4,2]"..
+		"box[0,-0.1;3.8,0.5;#c6e8ff]" ..
+		"label[0.2,-0.1;" .. minetest.colorize( "#000000", DESCRIPTION) .. "]" ..
+		"image_button[1.5,1;1,1;".. self:get_state_button_image(nvm) ..";state_button;]"..
+		"tooltip[1.5,1;1,1;"..self:get_state_tooltip(nvm).."]"
+end
+
+local function check_integrity(pos, nvm)
+	-- Check every 30 sec
+	nvm.ticks = ((nvm.ticks or 0) % 15) + 1
+	if CheckCommands[nvm.ticks] then
+		local res = CheckCommands[nvm.ticks](pos)
+		if res ~= true then return res end
+	end
+	return true
+end
+
+local State = techage.NodeStates:new({
+	node_name_passive = "techage:ta5_heatexchanger2",
+	cycle_time = CYCLE_TIME,
+	infotext_name = DESCRIPTION,
+	standby_ticks = 0,
+	can_start = can_start,
+	start_node = start_node,
+	stop_node = stop_node,
+	formspec_func = formspec,
+})
+
+local function consume_power(pos, nvm)
+	if techage.needs_power(nvm) then
+		local taken = power.consume_power(pos, Cable, DOWN, PWR_NEEDED)
+		if techage.is_running(nvm) then
+			if taken < PWR_NEEDED then
+				State:nopower(pos, nvm, "No power")
+				stop_sound(pos)
+				heatexchanger1_cmnd(pos, "stop")
+			else
+				return true  -- keep running
+			end
+		end
+	end
+end
+
+local function node_timer(pos, elapsed)
+	print("node_timer")
+	local nvm = techage.get_nvm(pos)
+	consume_power(pos, nvm)
+	local res = check_integrity(pos, nvm)
+	if res ~= true then
+		State:fault(pos, nvm, res)
+		stop_sound(pos)
+		heatexchanger1_cmnd(pos, "stop")
+	end
+	return State:is_active(nvm)
+end
+
+local function can_dig(pos, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return false
+	end
+	local nvm = techage.get_nvm(pos)
+	return not techage.is_running(nvm)
+end
+
+local function on_rightclick(pos, node, clicker)
+	techage.set_activeformspec(pos, clicker)
+	local nvm = techage.get_nvm(pos)
+	M(pos):set_string("formspec", formspec(State, pos, nvm))
+end
+
+local function after_place_node(pos, placer)
+	if techage.orientate_node(pos, "techage:ta5_heatexchanger1") then
+		return true
+	end
+	local meta = M(pos)
+	local nvm = techage.get_nvm(pos)
+	local own_num = techage.add_node(pos, "techage:ta5_heatexchanger2")
+	meta:set_string("owner", placer:get_player_name())
+	meta:set_string("infotext", DESCRIPTION..": "..own_num)
+	meta:set_string("formspec", formspec(State, pos, nvm))
+	Cable:after_place_node(pos, {DOWN})
+	State:node_init(pos, nvm, own_num)
+end
+
+local function after_dig_node(pos, oldnode, oldmetadata, digger)
+	Cable:after_dig_node(pos)
+	techage.del_mem(pos)
+end
+
+local function on_receive_fields(pos, formname, fields, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return
+	end
+
+	local nvm = techage.get_nvm(pos)
+	State:state_button_event(pos, nvm, fields)
+	M(pos):set_string("formspec", formspec(State, pos, nvm))
+end
+
+-- Middle node with the formspec from the bottom node
+minetest.register_node("techage:ta5_heatexchanger2", {
+	description = DESCRIPTION,
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_hole_ta4.png",
+		"techage_hole_ta4.png",
+		"techage_filling_ta4.png^techage_frameM_ta4.png^techage_appl_tes_turb.png",
+		"techage_filling_ta4.png^techage_frameM_ta4.png",
+		"techage_filling_ta4.png^techage_frameM_ta4.png^techage_appl_ribsB.png",
+		"techage_filling_ta4.png^techage_frameM_ta4.png^techage_appl_ribsB.png",
+	},
+
+	selection_box = {
+		type = "fixed",
+		fixed = {-1/2, -1.5/2, -1/2, 1/2, 1/2, 1/2},
+	},
+
+	on_receive_fields = on_receive_fields,
+	on_rightclick = on_rightclick,
+	on_timer = node_timer,
+	after_place_node = after_place_node,
+	can_dig = can_dig,
+	after_dig_node = after_dig_node,
+	get_storage_data = get_storage_data,
+
+	paramtype2 = "facedir",
+	groups = {crumbly = 2, cracky = 2, snappy = 2},
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_metal_defaults(),
+})
+
+power.register_nodes({"techage:ta5_heatexchanger2"}, Cable, "con", {"D"})
+
+techage.register_node({"techage:ta5_heatexchanger2"}, {
+	on_recv_message = function(pos, src, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		if topic == "state" then
+			if techage.is_running(nvm) then
+				return "running"
+			else
+				return "stopped"
+			end
+		elseif topic == "delivered" then
+			local data = power.get_network_data(pos, Cable, DOWN)
+			return data.consumed - data.provided
+		elseif topic == "on" then
+			start_node(pos, techage.get_nvm(pos))
+			return true
+		elseif topic == "off" then
+			stop_node(pos, techage.get_nvm(pos))
+			return true
+		else
+			return "unsupported"
+		end
+	end,
+	on_node_load = function(pos, node)
+		local nvm = techage.get_nvm(pos)
+		if techage.is_running(nvm) then
+			play_sound(pos)
+		else
+			stop_sound(pos)
+		end
+		-- Attempt to restart the system as the heat exchanger goes into error state
+		-- when parts of the storage block are unloaded.
+		if nvm.techage_state == techage.FAULT then
+			start_node(pos, nvm)
+		end
+	end,
+})
+
+control.register_nodes({"techage:ta5_heatexchanger2"}, {
+		on_receive = function(pos, tlib2, topic, payload)
+		end,
+		on_request = function(pos, tlib2, topic)
+			if topic == "info" then
+				local nvm = techage.get_nvm(pos)
+				return {
+					type = DESCRIPTION,
+					number = M(pos):get_string("node_number") or "",
+					running = techage.is_running(nvm) or false,
+					capa = nvm.capa_max or 1,
+					load = nvm.capa or 0,
+				}
+			end
+			return false
+		end,
+	}
+)
+
+--minetest.register_craft({
+--	output = "techage:ta5_heatexchanger2",
+--	recipe = {
+--		{"default:tin_ingot", "", "default:steel_ingot"},
+--		{"", "techage:ta4_wlanchip", ""},
+--		{"", "techage:baborium_ingot", ""},
+--	},
+--})

fusion_reactor/heatexchanger3.lua

@@ -0,0 +1,107 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2022 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA5 Heat Exchanger3 (top part)
+
+]]--
+
+-- for lazy programmers
+local M = minetest.get_meta
+local S = techage.S
+
+local Pipe2 = techage.LiquidPipe
+local Pipe3 = techage.GasPipe
+local liquid = networks.liquid
+local control = networks.control
+
+local function orientate_node(pos, name)
+	local node = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
+	if node.name == name then
+		local param2 = node.param2
+		node = minetest.get_node(pos)
+		node.param2 = param2
+		minetest.swap_node(pos, node)
+	else
+		minetest.remove_node(pos)
+		return true
+	end
+end
+
+local function after_place_node(pos)
+	if orientate_node(pos, "techage:ta5_heatexchanger2") then
+		return true
+	end
+	Pipe2:after_place_node(pos)
+	Pipe3:after_place_node(pos)
+end
+
+local function after_dig_node(pos, oldnode)
+	Pipe2:after_dig_node(pos)
+	Pipe3:after_dig_node(pos)
+end
+
+local function turbine_cmnd(pos, topic, payload)
+	return techage.transfer(pos, "R", topic, payload, Pipe2,
+		{"techage:ta5_turbine", "techage:ta5_turbine_on"})
+end
+
+-- Send to the magnets
+local function control_cmnd(pos, topic)
+	local outdir = networks.side_to_outdir(pos, "L")
+	print("control_cmnd3", outdir, "tank", topic)
+	return control.request(pos, Pipe3, outdir, "tank", topic)
+end
+
+minetest.register_node("techage:ta5_heatexchanger3", {
+	description = S("TA4 Heat Exchanger 3"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta4.png^techage_frame_ta5_top.png",
+		"techage_hole_ta4.png",
+		"techage_filling_ta4.png^techage_frameT_ta5.png^techage_appl_hole_pipe.png",
+		"techage_filling_ta4.png^techage_frameT_ta5.png^techage_appl_hole_ta5_pipe1.png",
+		"techage_filling_ta4.png^techage_frameT_ta5.png^techage_appl_ribsT.png",
+		"techage_filling_ta4.png^techage_frameT_ta5.png^techage_appl_ribsT.png",
+	},
+
+	after_place_node = after_place_node,
+	after_dig_node = after_dig_node,
+
+	paramtype2 = "facedir",
+	groups = {crumbly = 2, cracky = 2, snappy = 2},
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_metal_defaults(),
+})
+
+liquid.register_nodes({"techage:ta5_heatexchanger3"}, Pipe2, "tank", {"R"}, {})
+liquid.register_nodes({"techage:ta5_heatexchanger3"}, Pipe3, "tank", {"L"}, {})
+
+-- command interface, used by heatexchanger2
+techage.register_node({"techage:ta5_heatexchanger3"}, {
+	on_transfer = function(pos, indir, topic, payload)
+		if topic == "turbine" then
+			return turbine_cmnd(pos, topic, payload)
+		else
+			return control_cmnd(pos, topic)
+		end
+	end,
+})
+
+--minetest.register_craft({
+--	output = "techage:ta5_heatexchanger3",
+--	recipe = {
+--		{"default:tin_ingot", "dye:blue", "default:steel_ingot"},
+--		{"techage:ta4_pipeS", "basic_materials:gear_steel", "techage:ta4_pipeS"},
+--		{"", "techage:baborium_ingot", ""},
+--	},
+--})
+
+techage.orientate_node = orientate_node

fusion_reactor/magnet.lua

@@ -23,28 +23,17 @@ local Pipe = techage.GasPipe
 local power = networks.power
 local liquid = networks.liquid
 local control = networks.control
-local tubelib2_get_pos = tubelib2.get_pos
-local tubelib2_side_to_dir = tubelib2.side_to_dir
 
-local CAPACITY = 20
+local SHELLBLOCKS = {"techage:ta5_fr_shell", "techage:ta5_fr_nucleus", "techage:ta5_magnet1", "techage:ta5_magnet2"}
-local SHELLBLOCKS = {"techage:ta5_fr_shell1", "techage:ta5_fr_shell2"}
-
-local function get_pos(pos, sides, param2)
-	local pos1 = {x = pos.x, y = pos.y, z = pos.z}
-	for side in sides:gmatch"." do
-		pos1 = tubelib2_get_pos(pos1, tubelib2_side_to_dir(side, param2))
-	end
-	return pos1
-end
 
 minetest.register_node("techage:ta5_magnet1", {
 	description = S("TA5 Fusion Reactor Magnet 1"),
 	tiles = {
 		-- up, down, right, left, back, front
-		"techage_collider_magnet.png^techage_appl_hole_ta5_pipe.png^techage_steel_tiles_top.png^[transformR180]",
+		"techage_collider_magnet.png^techage_appl_hole_ta5_pipe1.png^techage_steel_tiles_top.png^[transformR180]",
-		"techage_collider_magnet.png^techage_steel_tiles_top.png",
+		"techage_collider_magnet.png^techage_appl_hole_ta5_pipe2.png^techage_steel_tiles_top.png",
 		"techage_collider_magnet.png^techage_steel_tiles_side.png",
-		"techage_collider_magnet.png^techage_appl_hole_electric.png^techage_steel_tiles_side.png^[transformR180]",
+		"techage_collider_magnet.png^techage_steel_tiles_side.png^[transformR180]",
 		"techage_collider_magnet.png^techage_appl_hole_electric.png",
 		"techage_steel_tiles.png",
 	},
@@ -75,11 +64,11 @@ minetest.register_node("techage:ta5_magnet2", {
 	description = S("TA5 Fusion Reactor Magnet 2"),
 	tiles = {
 		-- up, down, right, left, back, front
-		"techage_collider_magnet.png^techage_appl_hole_ta5_pipe.png^techage_steel_tiles_top2.png^[transformR180]",
+		"techage_collider_magnet.png^techage_appl_hole_ta5_pipe1.png^techage_steel_tiles_top2.png^[transformR180]",
-		"techage_collider_magnet.png^techage_appl_hole_ta5_pipe.png^techage_steel_tiles_top2.png^[transformR270]",
+		"techage_collider_magnet.png^techage_appl_hole_ta5_pipe2.png^techage_steel_tiles_top2.png^[transformR270]",
 		"techage_steel_tiles.png",
-		"techage_collider_magnet.png^techage_appl_hole_electric.png^techage_steel_tiles_side.png^[transformR180]",
+		"techage_collider_magnet.png^techage_steel_tiles_side.png^[transformR180]",
-		"techage_collider_magnet.png^techage_appl_hole_electric.png^techage_steel_tiles_side.png",
+		"techage_collider_magnet.png^techage_steel_tiles_side.png",
 		"techage_steel_tiles.png",
 	},
 	after_place_node = function(pos, placer, itemstack)
@@ -105,142 +94,70 @@ minetest.register_node("techage:ta5_magnet2", {
 	sounds = default.node_sound_metal_defaults(),
 })
 
-minetest.register_node("techage:ta5_magnet3", {
+power.register_nodes({"techage:ta5_magnet1"}, Cable, "con", {"B"})
-	description = S("TA5 Fusion Reactor Magnet 3"),
+liquid.register_nodes({"techage:ta5_magnet1", "techage:ta5_magnet2"}, Pipe, "tank", {"U", "D"}, {})
-	drawtype = "nodebox",
-	tiles = {
-		-- up, down, right, left, back, front
-		"techage_collider_magnet.png^techage_appl_hole_ta5_pipe.png^techage_steel_tiles_top.png^[transformR180]",
-		"techage_collider_magnet.png^techage_steel_tiles_top.png",
-		"techage_collider_magnet.png^techage_appl_hole_electric.png^techage_steel_tiles_side.png",
-		"techage_collider_magnet.png^techage_appl_hole_electric.png^techage_steel_tiles_side.png^[transformR180]",
-		"techage_magnet_hole.png",
-		"techage_steel_tiles.png",
-	},
-	node_box = {
-		type = "fixed",
-		fixed = {
-			{-8/16, -8/16, -8/16,  8/16,  8/16,  2/16},
-			{-8/16, -8/16,  2/16, -2/16,  8/16,  8/16},
-			{ 2/16, -8/16,  2/16,  8/16,  8/16,  8/16},
-			{-8/16, -8/16,  2/16,  8/16, -2/16,  8/16},
-			{-8/16,  2/16,  2/16,  8/16,  8/16,  8/16},
-		},
-	},
-	selection_box = {
-		type = "fixed",
-		fixed = {-8/16, -8/16, -8/16,  8/16, 8/16, 8/16},
-	},
-	after_place_node = function(pos, placer, itemstack)
-		Pipe:after_place_node(pos)
-		Cable:after_place_node(pos)
-	end,
-	ta_rotate_node = function(pos, node, new_param2)
-		Pipe:after_dig_node(pos)
-		Cable:after_dig_node(pos)
-		minetest.swap_node(pos, {name = node.name, param2 = new_param2})
-		Pipe:after_place_node(pos)
-		Cable:after_place_node(pos)
-	end,
-	after_dig_node = function(pos, oldnode)
-		Pipe:after_dig_node(pos)
-		Cable:after_dig_node(pos)
-		techage.del_mem(pos)
-	end,
-	drawtype = "nodebox",
-	paramtype2 = "facedir",
-	paramtype = "light",
-	use_texture_alpha = "blend",
-	groups = {choppy=2, cracky=2, crumbly=2},
-	is_ground_content = false,
-	sounds = default.node_sound_metal_defaults(),
-})
-
-power.register_nodes({"techage:ta5_magnet1", "techage:ta5_magnet2"}, Cable, "con", {"L", "B"})
-power.register_nodes({"techage:ta5_magnet3"}, Cable, "con", {"L", "R"})
-liquid.register_nodes({"techage:ta5_magnet1", "techage:ta5_magnet2", "techage:ta5_magnet3"}, Pipe, "tank", {"U"}, {
-	capa = CAPACITY,
-	peek = function(pos, indir)
-		local nvm = techage.get_nvm(pos)
-		return liquid.srv_peek(nvm)
-	end,
-	put = function(pos, indir, name, amount)
-		local nvm = techage.get_nvm(pos)
-		return liquid.srv_put(nvm, name, amount, CAPACITY)
-	end,
-	take = function(pos, indir, name, amount)
-		local nvm = techage.get_nvm(pos)
-		return liquid.srv_take(nvm, name, amount)
-	end,
-	untake = function(pos, indir, name, amount)
-		local nvm = techage.get_nvm(pos)
-		liquid.srv_put(nvm, name, amount, CAPACITY)
-	end,
-})
 
 local function check_plasma(pos, param2)
-	local pos1 = get_pos(pos, "F", param2)
+	local pos1 = networks.get_relpos(pos, "F", param2)
 	local node = minetest.get_node(pos1) or {}
-	techage.mark_position("singleplayer", pos1, "pos1", nil, 2)
+	--techage.mark_position("singleplayer", pos1, "pos1", nil, 2)
-	return node.name == "techage:plasma1" or node.name == "techage:plasma2"
+	return node.name == "air"
 end
 
 local function swap_plasma(pos, name, param2)
-	local pos1 = get_pos(pos, "F", param2)
+	local pos1 = networks.get_relpos(pos, "F", param2)
 	minetest.swap_node(pos1, {name = name, param2 = param2})
 end
 
-local function check_steel(pos, param2)
+local function check_shell(pos, param2)
-	local pos1 = get_pos(pos, "D", param2)
+	local pos1 = networks.get_relpos(pos, "D", param2)
-	local pos2 = get_pos(pos, "BU", param2)
+	local pos2 = networks.get_relpos(pos, "BU", param2)
 	local _,t = minetest.find_nodes_in_area(pos1, pos2, SHELLBLOCKS)
 	local cnt = 0
 	for k,v in pairs(t) do
 		cnt = cnt + v
 	end
-	print("shell", cnt)
+	return cnt == 6
-	return cnt == 5
 end
 
-local function on_receive(pos, tlib2, topic, payload)
+local function check_nucleus(pos, param2)
-	local nvm = techage.get_nvm(pos)
+	local pos1 = networks.get_relpos(pos, "B", param2)
-	if topic == "on" then
+	local node = minetest.get_node(pos1) or {}
-		nvm.running = true
+	if node.name == "techage:ta5_fr_nucleus" then
-	elseif topic == "off" then
+		return pos1
-		nvm.running = false
 	end
 end
 
-local function on_receive3(pos, tlib2, topic, payload)
+local function on_receive(pos, tlib2, topic, payload)
+	--print("on_receive", topic)
 	local nvm = techage.get_nvm(pos)
 	if topic == "on" then
 		nvm.running = true
-		local node = minetest.get_node(pos) or {}
-		swap_plasma(pos, "techage:plasma2", node.param2)
 	elseif topic == "off" then
 		nvm.running = false
-		local node = minetest.get_node(pos) or {}
-		swap_plasma(pos, "techage:plasma1", node.param2)
 	end
 end
 
 local function on_request(pos, tlib2, topic)
+	--print("on_request", topic)
 	local nvm = techage.get_nvm(pos)
-	if topic == "state" then
+	if topic == "test_power" and tlib2 == Cable then
-		if not nvm.liquid or not nvm.liquid.amount or nvm.liquid.amount < CAPACITY then
+		return true
-			return false, "no gas"
+	elseif topic == "test_gas_blue" and tlib2 == Pipe then
-		elseif nvm.liquid.name ~= "techage:isobutane" then
+		nvm.gas_cnt = 1
-			return false, "wrong gas"
+		return true
-		elseif nvm.running then
+	elseif topic == "test_gas_green" and tlib2 == Pipe then
-			return false, "stopped"
+		nvm.gas_cnt = (nvm.gas_cnt or 0) - 1
-		end
+		return nvm.gas_cnt == 0
-		return true, "running"
 	elseif topic == "test_plasma" then
 		local node = minetest.get_node(pos) or {}
 		return check_plasma(pos, node.param2)
 	elseif topic == "test_shell" then
 		local node = minetest.get_node(pos) or {}
-		return check_steel(pos, node.param2)
+		return check_shell(pos, node.param2)
+	elseif topic == "test_nucleus" then
+		local node = minetest.get_node(pos) or {}
+		return check_nucleus(pos, node.param2)
 	end
 	return false
 end
@@ -250,9 +167,3 @@ control.register_nodes({"techage:ta5_magnet1", "techage:ta5_magnet2"}, {
 		on_request = on_request,
 	}
 )
-
-control.register_nodes({"techage:ta5_magnet3"}, {
-		on_receive = on_receive3,
-		on_request = on_request,
-	}
-)

fusion_reactor/plasma.lua

@@ -1,73 +0,0 @@
---[[
-
-	TechAge
-	=======
-
-	Copyright (C) 2019-2022 Joachim Stolberg
-
-	AGPL v3
-	See LICENSE.txt for more information
-
-	TA5 Fusion Reactor Plasma
-
-]]--
-
--- for lazy programmers
-local S2P = minetest.string_to_pos
-local P2S = minetest.pos_to_string
-local M = minetest.get_meta
-local S = techage.S
-
-local MAGNETS = {"techage:ta5_magnet1", "techage:ta5_magnet2", "techage:ta5_magnet3"}
-
-minetest.register_node("techage:plasma2", {
-	description = "TA5 Plasma",
-	tiles = {
-		"techage_plasma1.png",
-		"techage_plasma1.png",
-		"techage_plasma1.png",
-		"techage_plasma1.png",
-		{
-			image = "techage_plasma2.png",
-			backface_culling = false,
-			animation = {
-				type = "vertical_frames",
-				aspect_w = 64,
-				aspect_h = 64,
-				length = 0.5,
-			},
-		},
-		"techage_plasma1.png",
-	},
-	node_box = {
-		type = "fixed",
-		fixed = {
-			{-8/16, -4/16, -4/16,  8/16, 4/16, 4/16},
-		},
-	},
-	drawtype = "nodebox",
-	paramtype2 = "facedir",
-	paramtype = "light",
-	light_source = 14,
-	drop = "",
-	use_texture_alpha = "blend",
-	groups = {choppy=2, cracky=2, crumbly=2},
-	is_ground_content = false,
-	sounds = default.node_sound_metal_defaults(),
-})
-
-minetest.register_node("techage:plasma1", {
-	description = "TA5 Plasma",
-	tiles = {
-		"techage_plasma1.png",
-	},
-	drawtype = "nodebox",
-	paramtype2 = "facedir",
-	paramtype = "light",
-	light_source = 0,
-	drop = "",
-	use_texture_alpha = "blend",
-	groups = {choppy=2, cracky=2, crumbly=2},
-	is_ground_content = false,
-	sounds = default.node_sound_metal_defaults(),
-})

fusion_reactor/shell.lua

@@ -18,8 +18,8 @@ local P2S = minetest.pos_to_string
 local M = minetest.get_meta
 local S = techage.S
 
-minetest.register_node("techage:ta5_fr_shell1", {
+minetest.register_node("techage:ta5_fr_shell", {
-	description = "TA5 Fusion Reactor Shell 1",
+	description = "TA5 Fusion Reactor Shell",
 	tiles = {
 		"techage_reactor_shell.png",
 	},
@@ -32,23 +32,10 @@ minetest.register_node("techage:ta5_fr_shell1", {
 	sounds = default.node_sound_metal_defaults(),
 })
 
-minetest.register_node("techage:ta5_fr_shell2", {
+minetest.register_node("techage:ta5_fr_nucleus", {
-	description = "TA5 Fusion Reactor Shell 2",
+	description = "TA5 Fusion Reactor Nucleus",
 	tiles = {
-		"techage_reactor_shell.png",
+		"techage_reactor_shell.png^techage_collider_detector_core.png",
-	},
-	node_box = {
-		type = "fixed",
-		fixed = {
-			{-8/16, -8/16, -8/16, -2/16,  8/16,  8/16},
-			{ 2/16, -8/16, -8/16,  8/16,  8/16,  8/16},
-			{-8/16, -8/16, -8/16,  8/16, -2/16,  8/16},
-			{-8/16,  2/16, -8/16,  8/16,  8/16,  8/16},
-		},
-	},
-	selection_box = {
-		type = "fixed",
-		fixed = {-8/16, -8/16, -8/16,  8/16, 8/16, 8/16},
 	},
 	drawtype = "nodebox",
 	paramtype2 = "facedir",

fusion_reactor/turbine.lua

@@ -0,0 +1,167 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2022 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA5 Gas Turbine
+
+]]--
+
+-- for lazy programmers
+local M = minetest.get_meta
+local S = techage.S
+
+local Pipe = techage.LiquidPipe
+
+local function generator_cmnd(pos, topic, payload)
+	return techage.transfer(pos, "R", topic, payload, nil,
+		{"techage:ta5_generator", "techage:ta5_generator_on"})
+end
+
+local function swap_node(pos, name)
+	local node = techage.get_node_lvm(pos)
+	if node.name == name then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+end
+
+local function play_sound(pos)
+	local mem = techage.get_mem(pos)
+	if not mem.handle or mem.handle == -1 then
+		mem.handle = minetest.sound_play("techage_turbine", {
+			pos = pos,
+			gain = 0.4,
+			max_hear_distance = 10,
+			loop = true})
+		if mem.handle == -1 then
+			minetest.after(1, play_sound, pos)
+		end
+	end
+end
+
+local function stop_sound(pos)
+	local mem = techage.get_mem(pos)
+	if mem.handle then
+		minetest.sound_stop(mem.handle)
+		mem.handle = nil
+	end
+end
+
+minetest.register_node("techage:ta5_turbine", {
+	description = S("TA5 Turbine"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta4.png^techage_frame_ta5_top.png^techage_appl_hole_pipe.png",
+		"techage_filling_ta4.png^techage_frame_ta4_bottom.png",
+		"techage_filling_ta4.png^techage_appl_open.png^techage_frame_ta5.png",
+		"techage_filling_ta4.png^techage_frame_ta5.png^techage_appl_hole_pipe.png",
+		"techage_filling_ta4.png^techage_appl_turbine.png^techage_frame_ta5.png",
+		"techage_filling_ta4.png^techage_appl_turbine.png^techage_frame_ta5.png",
+	},
+
+	after_place_node = function(pos)
+		Pipe:after_place_node(pos)
+	end,
+	after_dig_node = function(pos, oldnode)
+		stop_sound(pos)
+		Pipe:after_dig_node(pos)
+		techage.del_mem(pos)
+	end,
+	networks = {
+		pipe2 = {},
+	},
+	paramtype2 = "facedir",
+	groups = {cracky=2, crumbly=2, choppy=2},
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("techage:ta5_turbine_on", {
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta4.png^techage_frame_ta5_top.png^techage_appl_hole_pipe.png",
+		"techage_filling_ta4.png^techage_frame_ta4_bottom.png",
+		"techage_filling_ta4.png^techage_appl_open.png^techage_frame_ta5.png",
+		"techage_filling_ta4.png^techage_frame_ta5.png^techage_appl_hole_pipe.png",
+		{
+			image = "techage_filling4_ta4.png^techage_appl_turbine4.png^techage_frame4_ta5.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.4,
+			},
+		},
+		{
+			image = "techage_filling4_ta4.png^techage_appl_turbine4.png^techage_frame4_ta5.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.4,
+			},
+		},
+	},
+
+	tubelib2_on_update2 = function(pos, outdir, tlib2, node)
+		swap_node(pos, "techage:ta5_turbine")
+		stop_sound(pos)
+		generator_cmnd(pos, "stop")
+	end,
+	networks = {
+		pipe2 = {},
+	},
+	paramtype2 = "facedir",
+	groups = {not_in_creative_inventory=1},
+	diggable = false,
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+Pipe:add_secondary_node_names({"techage:ta5_turbine", "techage:ta5_turbine_on"})
+Pipe:set_valid_sides("techage:ta5_turbine", {"L", "U"})
+Pipe:set_valid_sides("techage:ta5_turbine_on", {"L", "U"})
+
+techage.register_node({"techage:ta5_turbine", "techage:ta5_turbine_on"}, {
+	on_transfer = function(pos, in_dir, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		if topic == "start" then  -- used by heatexchanger1
+			swap_node(pos, "techage:ta5_turbine_on")
+			play_sound(pos)
+			return generator_cmnd(pos, topic, payload)
+		elseif topic == "stop" then  -- used by heatexchanger1
+			swap_node(pos, "techage:ta5_turbine")
+			stop_sound(pos)
+			return generator_cmnd(pos, topic, payload)
+		elseif topic == "turbine" then  -- used by heatexchanger1
+			return true
+		else  -- used by heatexchanger1
+			return generator_cmnd(pos, topic, payload)
+		end
+	end,
+	on_node_load = function(pos, node)
+		if node.name == "techage:ta5_turbine_on" then
+			play_sound(pos)
+		end
+	end,
+})
+
+--minetest.register_craft({
+--	output = "techage:ta5_turbine",
+--	recipe = {
+--		{"", "dye:blue", ""},
+--		{"", "techage:turbine", ""},
+--		{"", "techage:ta4_wlanchip", ""},
+--	},
+--})

init.lua

@@ -172,6 +172,8 @@ dofile(MP.."/ta2_energy_storage/ta2_weight_chest.lua")
 dofile(MP.."/liquids/liquid_pipe.lua")
 dofile(MP.."/liquids/valve.lua")
 dofile(MP.."/liquids/pipe_wall_entry.lua")
+dofile(MP.."/fusion_reactor/gas_pipe.lua")
+
 
 -- Basic Machines
 dofile(MP.."/basic_machines/consumer.lua")  -- consumer base model
@@ -387,7 +389,7 @@ dofile(MP.."/items/moreblocks.lua")
 dofile(MP.."/carts/tank_cart.lua")
 dofile(MP.."/carts/chest_cart.lua")
 
--- Collider
+-- TA4 Collider
 dofile(MP.."/collider/vacuumtube.lua")
 dofile(MP.."/collider/magnet.lua")
 dofile(MP.."/collider/inlets.lua")
@@ -395,14 +397,19 @@ dofile(MP.."/collider/cooler.lua")
 dofile(MP.."/collider/detector.lua")
 dofile(MP.."/collider/worker.lua")
 
+-- TA5 Teleport
 dofile(MP.."/teleport/teleport_tube.lua")
 dofile(MP.."/teleport/teleport_pipe.lua")
 
+-- TA5 Fusion Reactor
 dofile(MP.."/fusion_reactor/shell.lua")
-dofile(MP.."/fusion_reactor/gas_pipe.lua")
 dofile(MP.."/fusion_reactor/magnet.lua")
-dofile(MP.."/fusion_reactor/plasma.lua")
 dofile(MP.."/fusion_reactor/controller.lua")
+dofile(MP.."/fusion_reactor/heatexchanger3.lua")
+dofile(MP.."/fusion_reactor/heatexchanger2.lua")
+dofile(MP.."/fusion_reactor/heatexchanger1.lua")
+--dofile(MP.."/fusion_reactor/generator.lua")
+dofile(MP.."/fusion_reactor/turbine.lua")
 
 -- Prevent other mods from using IE
 techage.IE = nil

items/registered_nodes.lua

@@ -38,3 +38,29 @@ minetest.register_on_mods_loaded(function()
 end)
 
 minetest.override_item("default:gravel", {groups = {crumbly = 2, gravel = 1, falling_node = 1}})
+
+-- Register all known mobs mods for the move/fly controllers
+techage.register_mobs_mods("ts_skins_dummies")
+techage.register_mobs_mods("mobs")
+techage.register_mobs_mods("draconis")
+techage.register_mobs_mods("mobkit")
+techage.register_mobs_mods("animalia")
+techage.register_mobs_mods("mobs_animal")
+techage.register_mobs_mods("mobs_monster")
+techage.register_mobs_mods("dmobs")
+techage.register_mobs_mods("mob_horse")
+techage.register_mobs_mods("petz")
+techage.register_mobs_mods("mobs_npc")
+techage.register_mobs_mods("livingnether")
+techage.register_mobs_mods("extra_mobs")
+techage.register_mobs_mods("nssm")
+techage.register_mobs_mods("goblins")
+techage.register_mobs_mods("animalworld")
+techage.register_mobs_mods("aliveai")
+techage.register_mobs_mods("people")
+techage.register_mobs_mods("paleotest")
+techage.register_mobs_mods("mobs_balrog")
+techage.register_mobs_mods("wildlife")
+techage.register_mobs_mods("mobs_skeletons")
+techage.register_mobs_mods("mobs_dwarves")
+techage.register_mobs_mods("mobf_trader")

liquids/liquid_pipe.lua

@@ -20,7 +20,7 @@ local S = techage.S
 
 local MAX_PIPE_LENGHT = 100
 
-local power = networks.power
+local liquid = networks.liquid
 
 local Pipe = tubelib2.Tube:new({
 	dirs_to_check = {1,2,3,4,5,6},
@@ -47,7 +47,7 @@ local Pipe = tubelib2.Tube:new({
 
 -- Use global callback instead of node related functions
 Pipe:register_on_tube_update2(function(pos, outdir, tlib2, node)
-	power.update_network(pos, outdir, tlib2, node)
+	liquid.update_network(pos, outdir, tlib2, node)
 end)
 
 minetest.register_node("techage:ta3_pipeS", {
@@ -172,14 +172,14 @@ local names = networks.register_junction("techage:ta3_junctionpipe", 1/8, Boxes,
 	tubelib2_on_update2 = function(pos, dir1, tlib2, node)
 		local name = "techage:ta3_junctionpipe" .. networks.junction_type(pos, Pipe)
 		minetest.swap_node(pos, {name = name, param2 = 0})
-		power.update_network(pos, 0, tlib2, node)
+		liquid.update_network(pos, 0, tlib2, node)
 	end,
 	after_dig_node = function(pos, oldnode, oldmetadata, digger)
 		Pipe:after_dig_node(pos)
 	end,
 }, 25)
 
-power.register_nodes(names, Pipe, "junc")
+liquid.register_nodes(names, Pipe, "junc")
 
 minetest.register_craft({
 	output = "techage:ta3_junctionpipe25 2",

liquids/pump.lua

@@ -3,7 +3,7 @@
 	TechAge
 	=======
 
-	Copyright (C) 2019-2021 Joachim Stolberg
+	Copyright (C) 2019-2022 Joachim Stolberg
 
 	AGPL v3
 	See LICENSE.txt for more information
@@ -133,7 +133,7 @@ end
 local ta3_tiles_pas = {
 	-- up, down, right, left, back, front
 	"techage_filling_ta3.png^techage_frame_ta3_top.png^techage_appl_arrow.png",
-	"techage_filling_ta3.png^techage_frame_ta3.png",
+	"techage_filling_ta3.png^techage_frame_ta3_bottom.png",
 	"techage_filling_ta3.png^techage_appl_hole_pipe.png^techage_frame_ta3.png",
 	"techage_filling_ta3.png^techage_appl_hole_pipe.png^techage_frame_ta3.png",
 	"techage_filling_ta3.png^techage_appl_pump.png^techage_frame_ta3.png^[transformFX",
@@ -143,7 +143,7 @@ local ta3_tiles_pas = {
 local ta4_tiles_pas = {
 	-- up, down, right, left, back, front
 	"techage_filling_ta4.png^techage_frame_ta4_top.png^techage_appl_arrow.png",
-	"techage_filling_ta4.png^techage_frame_ta4.png",
+	"techage_filling_ta4.png^techage_frame_ta4_bottom.png",
 	"techage_filling_ta4.png^techage_appl_hole_pipe.png^techage_frame_ta4.png",
 	"techage_filling_ta4.png^techage_appl_hole_pipe.png^techage_frame_ta4.png",
 	"techage_filling_ta4.png^techage_appl_pump.png^techage_frame_ta4.png^[transformFX",
@@ -153,7 +153,7 @@ local ta4_tiles_pas = {
 local ta3_tiles_act = {
 	-- up, down, right, left, back, front
 	"techage_filling_ta3.png^techage_frame_ta3_top.png^techage_appl_arrow.png",
-	"techage_filling_ta3.png^techage_frame_ta3.png",
+	"techage_filling_ta3.png^techage_frame_ta3_bottom.png",
 	"techage_filling_ta3.png^techage_appl_hole_pipe.png^techage_frame_ta3.png",
 	"techage_filling_ta3.png^techage_appl_hole_pipe.png^techage_frame_ta3.png",
 	{
@@ -181,7 +181,7 @@ local ta3_tiles_act = {
 local ta4_tiles_act = {
 	-- up, down, right, left, back, front
 	"techage_filling_ta4.png^techage_frame_ta4_top.png^techage_appl_arrow.png",
-	"techage_filling_ta4.png^techage_frame_ta4.png",
+	"techage_filling_ta4.png^techage_frame_ta4_bottom.png",
 	"techage_filling_ta4.png^techage_appl_hole_pipe.png^techage_frame_ta4.png",
 	"techage_filling_ta4.png^techage_appl_hole_pipe.png^techage_frame_ta4.png",
 	{

liquids/tank.lua

@@ -91,7 +91,7 @@ minetest.register_node("techage:ta3_tank", {
 	tiles = {
 		-- up, down, right, left, back, front
 		"techage_filling_ta3.png^techage_frame_ta3_top.png",
-		"techage_filling_ta3.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_frame_ta3_bottom.png",
 		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_tank.png",
 		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_tank.png",
 		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_tank.png",
@@ -197,7 +197,7 @@ minetest.register_node("techage:ta4_tank", {
 	tiles = {
 		-- up, down, right, left, back, front
 		"techage_filling_ta4.png^techage_frame_ta4_top.png",
-		"techage_filling_ta4.png^techage_frame_ta4.png",
+		"techage_filling_ta4.png^techage_frame_ta4_bottom.png",
 		"techage_filling_ta4.png^techage_frame_ta4.png^techage_appl_tank.png",
 		"techage_filling_ta4.png^techage_frame_ta4.png^techage_appl_tank.png",
 		"techage_filling_ta4.png^techage_frame_ta4.png^techage_appl_tank.png",

textures/shrink.sh

@@ -1,2 +1,2 @@
 #!/bin/bash
-pngquant --skip-if-larger --quality=80 --strip *.png --ext .png --force
+pngquant --skip-if-larger --quality=70-90 --strip *.png --ext .png --force

tools/repairkit.lua

@@ -19,6 +19,9 @@ local Cable2 = techage.TA4_Cable
 local Pipe2 = techage.LiquidPipe
 local menu = techage.menu
 
+local N = techage.get_node_lvm
+local CTL = function(pos) return (minetest.registered_nodes[N(pos).name] or {}).control end
+
 local function network_check(start_pos, Cable, player_name)
 --	local ndef = techage.networks.net_def(start_pos, Cable.tube_type)
 --	local outdir = nil
@@ -61,17 +64,6 @@ local function read_state(itemstack, user, pointed_thing)
 			minetest.chat_send_player(user:get_player_name(), S("Biome")..": "..name..", "..S("Position temperature")..": "..math.floor(data.heat).."    ")
 		end
 
-		if ndef and ndef.networks then
-			local player_name = user:get_player_name()
-			if ndef.networks.ele1 then
-				network_check(pos, Cable1, player_name)
-			elseif ndef.networks.ele2 then
-				network_check(pos, Cable2, player_name)
-			elseif ndef.networks.pipe2 then
-				network_check(pos, Pipe2, player_name)
-			end
-		end
-
 		if number then
 			if ndef and ndef.description then
 				local info = techage.send_single("0", number, "info", nil)
@@ -122,6 +114,14 @@ local function read_state(itemstack, user, pointed_thing)
 				itemstack:add_wear(65636/200)
 				return itemstack
 			end
+		elseif node.name == "techage:ta5_magnet1" or node.name == "techage:ta5_magnet2" then
+			local ctl = CTL(pos)
+			local has_gas = ctl.on_request(pos, nil, "test_gas") and S("yes") or S("no")
+			local has_power = ctl.on_request(pos, nil, "test_power") and S("yes") or S("no")
+			minetest.chat_send_player(user:get_player_name(), S("Power: @1, Cooling: @2", has_power, has_gas))
+			minetest.chat_send_player(user:get_player_name(), S("Position")..": "..minetest.pos_to_string(pos).."    ")
+			itemstack:add_wear(65636/200)
+			return itemstack
 		elseif ndef and ndef.description then
 			if ndef.techage_info then
 				local info = ndef.techage_info(pos) or ""