mods that hopefully work for a TechAge-based pack

mods/techage_modpack/techage/power/drive_axle.lua

@@ -0,0 +1,194 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA2 Drive Axles for the Steam Engine
+
+]]--
+
+-- for lazy programmers
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+local S = techage.S
+
+local power = networks.power
+
+local Axle = tubelib2.Tube:new({
+	dirs_to_check = {1,2,3,4,5,6},
+	max_tube_length = 10,
+	show_infotext = false,
+	tube_type = "axle",
+	primary_node_names = {"techage:axle", "techage:axle_on", "techage:ta2_clutch_on"},
+	secondary_node_names = {},
+	after_place_tube = function(pos, param2, tube_type, num_tubes, state)
+		local node = minetest.get_node(pos)
+		local name = node.name
+		if name == "techage:axle_on" or name == "techage:axle" then
+			if state == "on" then -- texture state
+				minetest.swap_node(pos, {name = "techage:axle_on", param2 = param2})
+			else
+				minetest.swap_node(pos, {name = "techage:axle", param2 = param2})
+			end
+		else
+			minetest.swap_node(pos, {name = name, param2 = param2})
+		end
+	end,
+})
+
+-- Use global callback instead of node related functions
+Axle:register_on_tube_update2(function(pos, outdir, tlib2, node)
+	power.update_network(pos, outdir, tlib2, node)
+end)
+
+minetest.register_node("techage:axle", {
+	description = S("TA2 Drive Axle"),
+	tiles = {
+		"techage_axleR.png",
+		"techage_axleR.png",
+		"techage_axle.png",
+		"techage_axle.png",
+		"techage_axle_clutch.png",
+		"techage_axle_clutch.png",
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Axle: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)
+		Axle:after_dig_tube(pos, oldnode, oldmetadata)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-3/16, -3/16, -4/8,  3/16, 3/16, 4/8},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {crumbly = 3, cracky = 3, snappy = 3},
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("techage:axle_on", {
+	description = S("TA2 Drive Axle"),
+	tiles = {
+		{
+			name = "techage_axle4R.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+		{
+			name = "techage_axle4R.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+		{
+			name = "techage_axle4.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+		{
+			name = "techage_axle4.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+		{
+			name = "techage_axle_clutch4.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+		{
+			name = "techage_axle_clutch4.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Axle: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)
+		Axle:after_dig_tube(pos, oldnode, oldmetadata)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-3/16, -3/16, -4/8,  3/16, 3/16, 4/8},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	diggable = false,
+	groups = {not_in_creative_inventory = 1},
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_craft({
+	output = "techage:axle 3",
+	recipe = {
+		{"default:junglewood", "", "default:wood"},
+		{"", "techage:iron_ingot", ""},
+		{"default:wood", "", "default:junglewood"},
+	},
+})
+
+
+techage.Axle = Axle

mods/techage_modpack/techage/power/electric_cable.lua

@@ -0,0 +1,193 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Electric Cables (AC)
+
+]]--
+
+-- 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 power = networks.power
+
+local ELE1_MAX_CABLE_LENGHT = 1000
+
+local Cable = tubelib2.Tube:new({
+	dirs_to_check = {1,2,3,4,5,6},
+	max_tube_length = ELE1_MAX_CABLE_LENGHT,
+	show_infotext = false,
+	tube_type = "ele1",
+	primary_node_names = {"techage:electric_cableS", "techage:electric_cableA",
+		"techage:power_line", "techage:power_lineS", "techage:power_lineA",
+		"techage:power_pole2", "techage:powerswitch_box", "techage:powerswitch_box_on"},
+	secondary_node_names = {},
+	after_place_tube = function(pos, param2, tube_type, num_tubes)
+		local node = minetest.get_node(pos)
+		local name = node.name
+		local color_param2 = math.floor(node.param2 / 32) * 32
+		if name == "techage:powerswitch_box" or name == "techage:powerswitch_box_on" or name == "techage:powerswitch_box_off" then
+			minetest.swap_node(pos, {name = name, param2 = param2 % 32})
+		elseif name == "techage:power_line" or name == "techage:power_lineS" or name == "techage:power_lineA" then
+			minetest.swap_node(pos, {name = "techage:power_line"..tube_type, param2 = param2 % 32})
+		elseif name == "techage:power_pole2" then
+			-- nothing
+		elseif not networks.hidden_name(pos) then
+			minetest.swap_node(pos, {name = "techage:electric_cable"..tube_type, param2 = param2 % 32 + color_param2})
+		end
+		M(pos):set_int("netw_param2", param2)
+		M(pos):set_int("netw_color_param2", color_param2)
+	end,
+})
+
+-- Enable hidden cables
+networks.use_metadata(Cable)
+networks.register_hidden_message("Use the trowel tool to remove the node.")
+
+-- Use global callback instead of node related functions
+Cable:register_on_tube_update2(function(pos, outdir, tlib2, node)
+	power.update_network(pos, outdir, tlib2, node)
+end)
+
+local preserve_metadata = function(pos, oldnode, oldmeta, drops)
+	for _,drop in ipairs(drops) do
+		local meta = drop:get_meta()
+		if meta:get_int("palette_index") == 0 then
+			meta:set_string("palette_index", "")
+		end
+	end
+end
+
+minetest.register_node("techage:electric_cableS", {
+	description = S("TA Electric Cable"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+	},
+	overlay_tiles = {
+		"",
+		"",
+		"",
+		"",
+		{ name = "techage_electric_cable_end.png", color = "white" },
+		{ name = "techage_electric_cable_end.png", color = "white" },
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Cable: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)
+		Cable:after_dig_tube(pos, oldnode, oldmetadata)
+	end,
+
+	paramtype2 = "colorfacedir", -- important!
+	palette = "techage_cable_palette.png",
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-3/32, -3/32, -4/8,  3/32, 3/32, 4/8},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, techage_trowel = 1},
+	sounds = default.node_sound_defaults(),
+	preserve_metadata = preserve_metadata,
+})
+
+minetest.register_node("techage:electric_cableA", {
+	description = S("TA Electric Cable"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+		"techage_electric_cable.png",
+	},
+	overlay_tiles = {
+		"",
+		{ name = "techage_electric_cable_end.png", color = "white" },
+		"",
+		"",
+		"",
+		{ name = "techage_electric_cable_end.png", color = "white" },
+	},
+
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_tube(pos, oldnode, oldmetadata)
+	end,
+
+	paramtype2 = "colorfacedir", -- important!
+	palette = "techage_cable_palette.png",
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-3/32, -4/8, -3/32,  3/32, 3/32,  3/32},
+			{-3/32, -3/32, -4/8,  3/32, 3/32, -3/32},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3,
+			techage_trowel = 1, not_in_creative_inventory = 1},
+	sounds = default.node_sound_defaults(),
+	drop = {
+		items = {
+			{ items = { "techage:electric_cableS" }, inherit_color = true },
+		}
+	},
+	preserve_metadata = preserve_metadata,
+})
+
+minetest.register_craft({
+	output = "techage:electric_cableS 6",
+	recipe = {
+		{"basic_materials:plastic_sheet", "", ""},
+		{"", "default:copper_ingot", ""},
+		{"", "", "basic_materials:plastic_sheet"},
+	},
+})
+
+techage.ElectricCable = Cable
+techage.ELE1_MAX_CABLE_LENGTH = ELE1_MAX_CABLE_LENGHT
+
+
+for idx, color in ipairs({ "white", "grey", "black", "brown", "yellow", "red", "dark_green", "blue" }) do
+	minetest.register_craft({
+		output = idx == 1 and "techage:electric_cableS 8" or minetest.itemstring_with_palette("techage:electric_cableS 8", (idx-1)*32),
+		recipe = {
+			{ "techage:electric_cableS", "techage:electric_cableS", "techage:electric_cableS", },
+			{ "techage:electric_cableS", "dye:"..color, "techage:electric_cableS", },
+			{ "techage:electric_cableS", "techage:electric_cableS", "techage:electric_cableS", },
+		}
+	})
+end

mods/techage_modpack/techage/power/formspecs.lua

@@ -0,0 +1,321 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	Power Formspec Functions
+
+]]--
+
+--local P2S = minetest.pos_to_string
+--local M = minetest.get_meta
+--local N = function(pos) return minetest.get_node(pos).name end
+local S = techage.S
+
+local CYCLE_TIME = 2
+local CYCLES_PER_DAY = 20 * 60 / CYCLE_TIME
+
+local in_range = techage.in_range
+local power = networks.power
+techage.power = {}
+
+-------------------------------------------------------------------------------
+-- Helper function
+-------------------------------------------------------------------------------
+local function round(val)
+	val = tonumber(val) or 0
+	if val > 100 then
+		return math.floor(val + 0.5)
+	elseif val > 10 then
+		return math.floor((val * 10) + 0.5) / 10
+	else
+		return math.floor((val * 100) + 0.5) / 100
+	end
+end
+
+local function calc_percent(max_val, curr_val)
+	return round(math.min(((curr_val or 0) * 100) / (max_val or 1.0), 100))
+end
+
+-------------------------------------------------------------------------------
+-- Local bar functions
+-------------------------------------------------------------------------------
+-- charging > 0 ==> charging
+-- charging < 0 ==> uncharging
+-- charging = 0 ==> off
+-- percent: 0..100
+local function charging_bar(charging, percent)
+	if charging > 0 then
+		return "techage_form_level_off.png^[lowpart:" .. percent .. ":techage_form_level_charge.png"
+	elseif charging < 0 then
+		return "techage_form_level_unload.png^[lowpart:" .. percent .. ":techage_form_level_off.png"
+	else
+		return "techage_form_level_off.png"
+	end
+end
+
+local function power_bar(current_power, max_power)
+	local percent, ypos
+
+	current_power = current_power or 0
+
+	if current_power == 0 then
+		percent = 0
+		ypos = 2.8
+	else
+		percent = calc_percent(max_power, current_power)
+		-- 0.4 to 2.8 = 2.4
+		local offs = 2.4 - (current_power / max_power) * 2.4
+		ypos = 0.4 + in_range(offs, 0.4, 2.4)
+	end
+	current_power = round(current_power)
+	max_power = round(max_power)
+	percent = (percent + 5) / 1.1  -- texture correction
+
+	return "label[0.7,0.4;" .. max_power .. " ku]" ..
+		"image[0,0.5;1,3;" ..
+		"techage_form_level_bg.png^[lowpart:" .. percent ..
+		":techage_form_level_fg.png]" ..
+		"label[0.7," .. ypos .. ";" .. current_power .. " ku]"
+end
+
+local function storage_bar(current_power, max_power)
+	local percent, ypos
+	max_power = (max_power or 1) / CYCLES_PER_DAY
+	current_power = (current_power or 0) / CYCLES_PER_DAY
+
+	if current_power == 0 then
+		percent = 0
+		ypos = 2.8
+	else
+		percent = calc_percent(max_power, current_power)
+		-- 0.4 to 2.8 = 2.4
+		local offs = 2.4 - (current_power / max_power) * 2.4
+		ypos = 0.4 + in_range(offs, 0.4, 2.4)
+	end
+	current_power = round(current_power)
+	max_power = round(max_power)
+
+	local percent2 = (percent + 5) / 1.1  -- texture correction
+	return "label[0.7,0.4;" .. max_power .. " kud]" ..
+		"image[0,0.5;1,3;"..
+		"techage_form_level_bg.png^[lowpart:" .. percent2 ..
+		":techage_form_level_fg.png]" ..
+		"label[0.7," .. ypos .. ";" .. round(percent) .. " %]"
+end
+
+-------------------------------------------------------------------------------
+-- API bar functions
+-------------------------------------------------------------------------------
+function techage.formspec_power_bar(pos, x, y, label, current_power, max_power)
+	return "container["..x..","..y.."]"..
+		"box[0,0;2.3,3.3;#395c74]"..
+		"label[0.2,0;"..label.."]"..
+		power_bar(current_power, max_power)..
+		"container_end[]"
+end
+
+function techage.formspec_charging_bar(pos, x, y, label, data)
+	local charging = 0
+	local percent = 50
+	local ypos = 1.6
+
+	if data then
+		charging = data.provided - data.consumed
+		if charging > 0 then
+			percent = 50 + (charging / data.available * 50)
+			ypos = 1.6 - (charging / data.available * 1.2)
+		elseif charging < 0 then
+			percent = 50 + (charging / data.consumed * 50)
+			ypos = 1.6 - (charging / data.consumed * 1.2)
+		end
+	end
+	ypos = in_range(ypos, 0.4, 2.8)
+
+	return "container[".. x .. "," .. y .. "]" ..
+		"box[0,0;2.3,3.3;#395c74]" ..
+		"label[0.2,0;" .. label .. "]" ..
+		"image[0,0.5;1,3;" .. charging_bar(charging, percent) .. "]" ..
+		"label[0.75," .. ypos .. ";" .. round(charging) .. " ku]" ..
+		"container_end[]"
+end
+
+function techage.formspec_storage_bar(pos, x, y, label, curr_load, max_load)
+	curr_load = curr_load or 0
+
+	return "container[" .. x .. "," .. y .. "]" ..
+		"box[0,0;2.3,3.3;#395c74]" ..
+		"label[0.2,0;" .. label .. "]" ..
+		storage_bar(curr_load, max_load) ..
+		"container_end[]"
+end
+
+function techage.formspec_meter(pos, x, y, label, value, unit)
+	return "container[" .. x .. "," .. y .. "]" ..
+		"box[0,0;2.3,0.9;#395c74]" ..
+		"label[0.2,0.0;" .. label .. ":]" ..
+		"label[0.2,0.4;" .. round(value) .. " " .. unit .. "]" ..
+		"container_end[]"
+end
+
+-------------------------------------------------------------------------------
+-- API formspec functions
+-------------------------------------------------------------------------------
+function techage.wrench_image(x, y)
+	return "image["..x.."," .. y .. ";0.5,0.5;techage_inv_wrench.png]" ..
+		"tooltip["..x.."," .. y .. ";0.5,0.5;" .. S("Block has a wrench menu") .. ";#0C3D32;#FFFFFF]"
+end
+
+function techage.storage_formspec(self, pos, nvm, label, netw_data, curr_load, max_load)
+	return "size[6.3,4]" ..
+		default.gui_bg ..
+		default.gui_bg_img ..
+		default.gui_slots ..
+		"box[0,-0.1;6.1,0.5;#c6e8ff]" ..
+		"label[0.2,-0.1;" .. minetest.colorize( "#000000", label) .. "]" ..
+		techage.formspec_charging_bar(pos, 0.0, 0.8, S("Charging"), netw_data) ..
+		techage.formspec_storage_bar (pos, 3.8, 0.8, S("Storage"),  curr_load, max_load) ..
+		"image_button[2.7,2;1,1;" .. self:get_state_button_image(nvm) .. ";state_button;]" ..
+		"tooltip[2.7,2;1,1;" .. self:get_state_tooltip(nvm) .. "]"
+end
+
+function techage.generator_formspec(self, pos, nvm, label, provided, max_available, ta2)
+	local tooltip = ""
+	if not ta2 then
+		tooltip = techage.wrench_tooltip(4.4, -0.05)
+	end
+	return "size[5,4]" ..
+		default.gui_bg ..
+		default.gui_bg_img ..
+		default.gui_slots ..
+		"box[0,-0.1;4.8,0.5;#c6e8ff]" ..
+		"label[0.2,-0.1;" .. minetest.colorize( "#000000", label) .. "]" ..
+		tooltip..
+		techage.formspec_power_bar(pos, 0, 0.8, S("Power"), provided, max_available) ..
+		"image_button[3.2,2.0;1,1;" .. self:get_state_button_image(nvm) .. ";state_button;]" ..
+		"tooltip[3.2,2.0;1,1;" .. self:get_state_tooltip(nvm) .. "]"
+end
+
+function techage.generator_settings(tier, available)
+	if tier == "ta3" then
+		return {
+			{
+				type = "const",
+				name = "available",
+				label = S("Maximum output [ku]"),
+				tooltip = S("The maximum power the generator can provide"),
+				value = available,
+			},
+			{
+				type = "output",
+				name = "provided",
+				label = S("Current output [ku]"),
+				tooltip = S("The current power the generator provides"),
+			},
+			{
+				type = "dropdown",
+				choices = "0% - 20%,20% - 40%,40% - 60%,60% - 80%,80% - 100%,90% - 100%",
+				name = "termpoint",
+				label = S("Charge termination"),
+				tooltip = S("Range in which the generator reduces its power"),
+				default = "80% - 100%",
+			},
+		}
+	else
+		return {
+			{
+				type = "const",
+				name = "available",
+				label = S("Maximum output [ku]"),
+				tooltip = S("The maximum power the generator can provide"),
+				value = available,
+			},
+			{
+				type = "output",
+				name = "provided",
+				label = S("Current output [ku]"),
+				tooltip = S("The current power the generator provides"),
+			},
+			{
+				type = "dropdown",
+				choices = "0% - 20%,20% - 40%,40% - 60%,60% - 80%,80% - 100%,90% - 100%",
+				name = "termpoint",
+				label = S("Charge termination"),
+				tooltip = S("Range in which the generator reduces its power"),
+				default = "80% - 100%",
+			},
+		}
+	end
+end
+
+
+function techage.evaluate_charge_termination(nvm, meta)
+	local termpoint = meta:get_string("termpoint")
+	if termpoint == "0% - 20%" then
+		meta:set_string("termpoint1", 0.0)
+		meta:set_string("termpoint2", 0.2)
+	elseif termpoint == "20% - 40%" then
+		meta:set_string("termpoint1", 0.2)
+		meta:set_string("termpoint2", 0.4)
+	elseif termpoint == "40% - 60%" then
+		meta:set_string("termpoint1", 0.4)
+		meta:set_string("termpoint2", 0.6)
+	elseif termpoint == "60% - 80%" then
+		meta:set_string("termpoint1", 0.6)
+		meta:set_string("termpoint2", 0.8)
+	elseif termpoint == "80% - 100%" then
+		meta:set_string("termpoint1", 0.8)
+		meta:set_string("termpoint2", 1.0)
+	elseif termpoint == "90% - 100%" then
+		meta:set_string("termpoint1", 0.9)
+		meta:set_string("termpoint2", 1.0)
+	else
+		meta:set_string("termpoint", "80% - 100%")
+		meta:set_string("termpoint1", 0.8)
+		meta:set_string("termpoint2", 1.0)
+	end
+end
+
+techage.power.percent =  calc_percent
+techage.CYCLES_PER_DAY = CYCLES_PER_DAY
+techage.round = round
+
+-------------------------------------------------------------------------------
+-- Still used legacy functions
+-------------------------------------------------------------------------------
+function techage.formspec_label_bar(pos, x, y, label, max_power, current_power, unit)
+	local percent, ypos
+
+	max_power = max_power or 1
+	unit = unit or "ku"
+	current_power = current_power or 0
+
+	if current_power == 0 then
+		percent = 0
+		ypos = 2.8
+	else
+		percent = techage.power.percent(max_power, current_power)
+		-- 0.4 to 2.8 = 2.4
+		local offs = 2.4 - (current_power / max_power) * 2.4
+		ypos = 0.4 + in_range(offs, 0.4, 2.4)
+	end
+	if current_power >= 100 then
+		current_power = math.floor(current_power)
+	end
+	percent = (percent + 5) / 1.1  -- texture correction
+	return "container["..x..","..y.."]"..
+		"box[0,0;2.3,3.3;#395c74]"..
+		"label[0.2,0;"..label.."]"..
+		"label[0.7,0.4;"..max_power.." "..unit.."]"..
+		"image[0,0.5;1,3;"..
+		"techage_form_level_bg.png^[lowpart:"..percent..
+		":techage_form_level_fg.png]"..
+		"label[0.7,"..ypos..";"..current_power.." "..unit.."]"..
+		"container_end[]"
+
+end

mods/techage_modpack/techage/power/gearbox.lua

@@ -0,0 +1,146 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA2 Gearbox
+
+]]--
+
+-- for lazy programmers
+local P2S = minetest.pos_to_string
+local M = minetest.get_meta
+local S = techage.S
+
+local PWR_NEEDED = 1
+local CYCLE_TIME = 2
+
+local Axle = techage.Axle
+local power = networks.power
+
+-- Axles texture animation
+local function switch_axles(pos, on)
+	for _,outdir in ipairs(networks.get_outdirs(pos, Axle)) do
+		Axle:switch_tube_line(pos, outdir, on and "on" or "off")
+	end
+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 node_timer_on(pos, elapsed)
+	local consumed = power.consume_power(pos, Axle, 0, PWR_NEEDED)
+	if consumed == 0 then
+		swap_node(pos, "techage:gearbox")
+		switch_axles(pos, false)
+	end
+	return true
+end
+
+local function node_timer_off(pos, elapsed)
+	if power.power_available(pos, Axle, 0) then
+		swap_node(pos, "techage:gearbox_on")
+		switch_axles(pos, true)
+	end
+	return true
+end
+
+-- to be able to restart the node after server crashes
+local function techage_on_repair(pos)
+	minetest.get_node_timer(pos):start(CYCLE_TIME)
+end
+
+local function after_place_node(pos)
+	Axle:after_place_node(pos)
+	minetest.get_node_timer(pos):start(CYCLE_TIME)
+end
+
+local function after_dig_node(pos, oldnode)
+	Axle:after_dig_node(pos)
+end
+
+local function tubelib2_on_update2_on(pos, outdir, tlib2, node)
+	power.update_network(pos, 0, tlib2, node)
+	switch_axles(pos, true)
+end
+
+local function tubelib2_on_update2_off(pos, outdir, tlib2, node)
+	power.update_network(pos, 0, tlib2, node)
+	switch_axles(pos, false)
+end
+
+minetest.register_node("techage:gearbox", {
+	description = S("TA2 Gearbox"),
+	tiles = {"techage_filling_ta2.png^techage_axle_gearbox.png^techage_frame_ta2.png"},
+
+	on_timer = node_timer_off,
+	techage_on_repair = techage_on_repair,
+	after_place_node = after_place_node,
+	after_dig_node = after_dig_node,
+	tubelib2_on_update2 = tubelib2_on_update2_off,
+	paramtype = "light",
+	light_source = 0,
+	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:gearbox_on", {
+	tiles = {
+		-- up, down, right, left, back, front
+		{
+			name = "techage_filling4_ta2.png^techage_axle_gearbox4.png^techage_frame4_ta2.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+	},
+
+	on_timer = node_timer_on,
+	techage_on_repair = techage_on_repair,
+	after_place_node = after_place_node,
+	after_dig_node = after_dig_node,
+	tubelib2_on_update2 = tubelib2_on_update2_on,
+	paramtype2 = "facedir",
+	groups = {not_in_creative_inventory=1},
+	diggable = false,
+	drop = "",
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+power.register_nodes({"techage:gearbox", "techage:gearbox_on"}, Axle, "junc")
+
+techage.register_node({"techage:gearbox", "techage:gearbox_on"}, {
+	on_node_load = function(pos, node)
+		minetest.get_node_timer(pos):start(CYCLE_TIME)
+	end,
+})
+
+minetest.register_craft({
+	output = "techage:gearbox 2",
+	recipe = {
+		{"default:junglewood", "techage:axle", "default:wood"},
+		{"techage:axle", "techage:iron_ingot", "techage:axle"},
+		{"default:wood", "techage:axle", "default:junglewood"},
+	},
+})

mods/techage_modpack/techage/power/junctionbox.lua

@@ -0,0 +1,66 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3/TA4 Junction box for electrical power distribution
+
+]]--
+
+-- for lazy programmers
+local M = minetest.get_meta
+local S = techage.S
+
+local Cable = techage.ElectricCable
+local power = networks.power
+
+local size = 3/32
+local Boxes = {
+	{{-size, -size,  size, size,  size, 0.5 }}, -- z+
+	{{-size, -size, -size, 0.5,   size, size}}, -- x+
+	{{-size, -size, -0.5,  size,  size, size}}, -- z-
+	{{-0.5,  -size, -size, size,  size, size}}, -- x-
+	{{-size, -0.5,  -size, size,  size, size}}, -- y-
+	{{-size, -size, -size, size,  0.5,  size}}, -- y+
+}
+
+local names = networks.register_junction("techage:electric_junction", 2/8, Boxes, Cable, {
+	description = S("TA Electric Junction Box"),
+	tiles = {"techage_electric_junction.png"},
+	use_texture_alpha = techage.CLIP,
+	is_ground_content = false,
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, techage_trowel = 1},
+	sounds = default.node_sound_defaults(),
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		local name = "techage:electric_junction" .. networks.junction_type(pos, Cable)
+		minetest.swap_node(pos, {name = name, param2 = 0})
+		Cable:after_place_node(pos)
+	end,
+	tubelib2_on_update2 = function(pos, dir1, tlib2, node)
+		if not networks.hidden_name(pos) then
+			local name = "techage:electric_junction" .. networks.junction_type(pos, Cable)
+			minetest.swap_node(pos, {name = name, param2 = 0})
+		end
+		power.update_network(pos, 0, tlib2, node)
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_node(pos)
+	end,
+})
+
+power.register_nodes(names, Cable, "junc")
+
+minetest.register_craft({
+	output = "techage:electric_junction0 2",
+	recipe = {
+		{"", "basic_materials:plastic_sheet", ""},
+		{"basic_materials:plastic_sheet", "default:copper_ingot", "basic_materials:plastic_sheet"},
+		{"", "basic_materials:plastic_sheet", ""},
+	},
+})

mods/techage_modpack/techage/power/power_line.lua

@@ -0,0 +1,370 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3/TA4 Power line for electrical landline
+]]--
+
+-- for lazy programmers
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+local S = techage.S
+
+local Cable = techage.ElectricCable
+local power = networks.power
+
+local function can_dig(pos, digger)
+	if digger and digger:is_player() then
+		if M(pos):get_string("owner") == digger:get_player_name() then
+			return true
+		end
+		if minetest.check_player_privs(digger:get_player_name(), "powerline") then
+			return true
+		end
+	end
+	return false
+end
+
+-- legacy node
+minetest.register_node("techage:power_line", {
+	description = S("TA Power Line"),
+	tiles = {"techage_power_line.png"},
+	inventory_image = 'techage_power_line_inv.png',
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Cable: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)
+		Cable:after_dig_tube(pos, oldnode)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-1/32, -1/32, -4/8,  1/32, 1/32, 4/8},
+		},
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {-2/32, -2/32, -4/8,  2/32, 2/32, 4/8},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	drop = "techage:power_lineS",
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, not_in_creative_inventory = 1},
+	sounds = default.node_sound_defaults(),
+})
+
+-- new nodes lineS/lineA
+minetest.register_node("techage:power_lineS", {
+	description = S("TA Power Line"),
+	tiles = {"techage_power_line.png"},
+	inventory_image = 'techage_power_line_inv.png',
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Cable: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)
+		Cable:after_dig_tube(pos, oldnode)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-1/32, -1/32, -4/8,  1/32, 1/32, 4/8},
+		},
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {-2/32, -2/32, -4/8,  2/32, 2/32, 4/8},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	drop = "techage:power_lineS",
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3},
+	sounds = default.node_sound_defaults(),
+})
+
+minetest.register_node("techage:power_lineA", {
+	description = S("TA Power Line"),
+	tiles = {
+		"techage_power_line.png",
+		"techage_power_line.png^[transformR180",
+		"techage_power_line.png^[transformR270",
+		"techage_power_line.png",
+		"techage_power_line.png",
+		"techage_power_line.png",
+	},
+	inventory_image = 'techage_power_line_inv.png',
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Cable: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)
+		Cable:after_dig_tube(pos, oldnode)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-1/32, -16/32,  -1/32,  1/32, -15/32,   1/32},
+			{-1/32, -16/32,  -2/32,  1/32, -14/32,   0/32},
+			{-1/32, -15/32,  -3/32,  1/32, -13/32,  -1/32},
+			{-1/32, -14/32,  -4/32,  1/32, -12/32,  -2/32},
+			{-1/32, -13/32,  -5/32,  1/32, -11/32,  -3/32},
+			{-1/32, -12/32,  -6/32,  1/32, -10/32,  -4/32},
+			{-1/32, -11/32,  -7/32,  1/32,  -9/32,  -5/32},
+			{-1/32, -10/32,  -8/32,  1/32,  -8/32,  -6/32},
+			{-1/32,  -9/32,  -9/32,  1/32,  -7/32,  -7/32},
+			{-1/32,  -8/32, -10/32,  1/32,  -6/32,  -8/32},
+			{-1/32,  -7/32, -11/32,  1/32,  -5/32,  -9/32},
+			{-1/32,  -6/32, -12/32,  1/32,  -4/32, -10/32},
+			{-1/32,  -5/32, -13/32,  1/32,  -3/32, -11/32},
+			{-1/32,  -4/32, -14/32,  1/32,  -2/32, -12/32},
+			{-1/32,  -3/32, -15/32,  1/32,  -1/32, -13/32},
+			{-1/32,  -2/32, -16/32,  1/32,   0/32, -14/32},
+			{-1/32,  -1/32, -16/32,  1/32,   1/32, -15/32},
+		},
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {-2/32, -16/32, 2/32,  2/32, 2/32, -16/32},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	drop = "techage:power_lineS",
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, not_in_creative_inventory = 1},
+	sounds = default.node_sound_defaults(),
+})
+
+minetest.register_node("techage:power_pole2", {
+	description = S("TA Power Pole Top 2 (for landlines)"),
+	tiles = {
+		"default_wood.png^techage_power_pole_top.png",
+		"default_wood.png^techage_power_pole_top.png",
+		"default_wood.png^techage_power_pole.png"
+	},
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -4/32, -16/32,  -4/32,   4/32, 16/32,   4/32},
+			{ -1/32,  -6/32, -16/32,   1/32, -4/32,  16/32},
+			{ -2/32,  -4/32, -16/32,   2/32,  4/32, -12/32},
+			{ -2/32,  -4/32,  12/32,   2/32,  4/32,  16/32},
+		},
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		M(pos):set_string("owner", placer:get_player_name())
+		if techage.is_protected(pos, placer:get_player_name()) then
+			minetest.chat_send_player(placer:get_player_name(), "position is protected   ")
+			minetest.remove_node(pos)
+			return true
+		end
+		if not Cable:after_place_tube(pos, placer, pointed_thing) then
+			minetest.chat_send_player(placer:get_player_name(), "invalid pole position   ")
+			minetest.remove_node(pos)
+			Cable:after_dig_node(pos)
+			return true
+		end
+		return false
+	end,
+	can_dig = can_dig,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_tube(pos, oldnode)
+	end,
+
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {cracky=2, crumbly=2, choppy=2},
+	sounds = default.node_sound_defaults(),
+})
+
+-- dummy node for the inventory and to be placed and imediately replaced
+minetest.register_node("techage:power_pole", {
+	description = S("TA Power Pole Top (for up to 6 connections)"),
+	tiles = {
+		"default_wood.png^techage_power_pole_top.png",
+		"default_wood.png^techage_power_pole_top.png",
+		"default_wood.png^techage_power_pole.png"
+	},
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -4/32, -16/32,  -4/32,   4/32, 16/32,   4/32},
+			{-16/32,  -6/32,  -1/32,  16/32, -4/32,   1/32},
+			{ -1/32,  -6/32, -16/32,   1/32, -4/32,  16/32},
+			{-16/32,  -4/32,  -2/32, -12/32,  4/32,   2/32},
+			{ 12/32,  -4/32,  -2/32,  16/32,  4/32,   2/32},
+			{ -2/32,  -4/32, -16/32,   2/32,  4/32, -12/32},
+			{ -2/32,  -4/32,  12/32,   2/32,  4/32,  16/32},
+		},
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		M(pos):set_string("owner", placer:get_player_name())
+		if techage.is_protected(pos, placer:get_player_name()) then
+			minetest.chat_send_player(placer:get_player_name(), "position is protected   ")
+			minetest.remove_node(pos)
+			return true
+		end
+		local node = minetest.get_node(pos)
+		node.name = "techage:power_pole_conn"
+		minetest.swap_node(pos, node)
+		Cable:after_place_node(pos)
+	end,
+
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {cracky=2, crumbly=2, choppy=2},
+})
+
+
+-- secondary node like a junction
+minetest.register_node("techage:power_pole_conn", {
+	description = "TA Power Pole Top (for up to 6 connections)",
+	tiles = {
+		"default_wood.png^techage_power_pole_top.png",
+		"default_wood.png^techage_power_pole_top.png",
+		"default_wood.png^techage_power_pole.png"
+	},
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "connected",
+		fixed = {{ -4/32, -16/32,  -4/32,   4/32, 16/32,   4/32}},
+
+		connect_left = {{-16/32, -6/32, -1/32,  1/32,  -4/32, 1/32},
+			{-16/32, -4/32, -2/32, -12/32, 4/32, 2/32}},
+		connect_right = {{ -1/32, -6/32, -1/32,  16/32, -4/32, 1/32},
+			{12/32, -4/32, -2/32,  16/32, 4/32, 2/32}},
+		connect_back = {{-1/32, -6/32,  -1/32,  1/32, -4/32, 16/32},
+			{-2/32, -4/32, 12/32, 2/32, 4/32, 16/32}},
+		connect_front = {{-1/32, -6/32, -16/32,  1/32, -4/32, 1/32},
+			{-2/32, -4/32, -16/32,  2/32, 4/32, -12/32}},
+	},
+	connects_to = {"techage:power_line", "techage:power_lineS", "techage:power_lineA"},
+
+	can_dig = can_dig,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_node(pos)
+	end,
+
+	drop = "techage:power_pole",
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {cracky=2, crumbly=2, choppy=2, not_in_creative_inventory = 1},
+	sounds = default.node_sound_defaults(),
+})
+
+power.register_nodes({"techage:power_pole_conn"}, Cable, "junc")
+
+minetest.register_node("techage:power_pole3", {
+	description = S("TA Power Pole"),
+	tiles = {
+		"default_wood.png",
+		"default_wood.png",
+		"default_wood.png"
+	},
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -4/32, -16/32,  -4/32,   4/32, 16/32,   4/32},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {cracky=2, crumbly=2, choppy=2},
+	sounds = default.node_sound_defaults(),
+})
+
+minetest.register_craft({
+	output = "techage:power_lineS 24",
+	recipe = {
+		{"default:copper_ingot", "", ""},
+		{"", "default:copper_ingot", ""},
+		{"", "", "default:copper_ingot"},
+	},
+})
+
+minetest.register_craft({
+	output = "techage:power_pole2",
+	recipe = {
+		{"", "default:stick", ""},
+		{"techage:power_lineS", "default:copper_ingot", "techage:power_lineS"},
+		{"", "default:stick", ""},
+	},
+})
+
+minetest.register_craft({
+	output = "techage:power_pole",
+	recipe = {
+		{"", "", ""},
+		{"", "techage:power_pole2", ""},
+		{"", "techage:power_pole2", ""},
+	},
+})
+
+minetest.register_craft({
+	output = "techage:power_pole3 4",
+	recipe = {
+		{"", "group:wood", ""},
+		{"", "techage:power_lineS", ""},
+		{"", "group:wood", ""},
+	},
+})

mods/techage_modpack/techage/power/power_terminal.lua

@@ -0,0 +1,15 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Power Terminal Old
+
+]]--
+
+minetest.register_alias_force("techage:power_terminal", "techage:ta3_power_terminal")

mods/techage_modpack/techage/power/power_terminal2.lua

@@ -0,0 +1,342 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2023 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Power Terminal
+
+]]--
+
+-- for lazy programmers
+local S2P = minetest.string_to_pos
+local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local M = minetest.get_meta
+local N = function(pos) return minetest.get_node(pos).name end
+local S = techage.S
+
+local CYCLE_TIME = 2
+
+local Cable = techage.ElectricCable
+local power = networks.power
+local control = networks.control
+
+local HELP = S([[Commands
+help . . . print this text
+cls  . . . . clear screen
+gen    . . print generators
+sto     . . print storage systems
+con1  . . print consumers with power consumption between 1 and 10 ku
+con2  . . print consumers with power consumption with 10 ku or above
+]])
+
+local function row(num, label, data)
+	local y = 4.0 + num * 0.5
+	return
+		"box[0," .. y .. ";9.8,0.4;#395c74]"..
+		"label[0.2,"..y..";" .. label .. "]" ..
+		"label[8.5,"..y..";" .. data .. "]"
+end
+
+local function formspec1(pos, data)
+	local mem = techage.get_mem(pos)
+	local outdir = M(pos):get_int("outdir")
+	local netw = networks.get_network_table(pos, Cable, outdir, true) or {}
+	data = data or power.get_network_data(pos, Cable, outdir)
+
+	mem.star = ((mem.star or 0) + 1) % 2
+	local star = mem.star == 1 and "*" or ""
+	local storage_provided = math.max(data.consumed - data.available, 0)
+	local available = math.max(data.consumed, data.available)
+
+	return "size[10,8]"..
+		"tabheader[0,0;tab;status,console;1;;true]"..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
+		"box[0,-0.1;9.8,0.5;#c6e8ff]"..
+		"label[0.2,-0.1;"..minetest.colorize( "#000000", S("Network Data")).."]"..
+		"label[9.5,-0.1;"..minetest.colorize( "#000000", star).."]"..
+		techage.formspec_power_bar(pos, 0.0, 0.7, S("Generator"), data.provided, data.available)..
+		techage.formspec_power_bar(pos, 2.5, 0.7,  S("Consumer"), data.consumed, available)..
+		techage.formspec_charging_bar(pos, 5.0, 0.7, S("Charging"), data)..
+		techage.formspec_storage_bar(pos, 7.5, 0.7, S("Storage"),  data.curr_load, data.max_capa)..
+
+		row(1, S("Number of network nodes:"), netw.num_nodes or 0) ..
+		row(2, S("Number of generators:"), #(netw.gen or {})) ..
+		row(3, S("Number of consumers:"), #(netw.con or {})) ..
+		row(4, S("Number of storage systems:"), #(netw.sto or {}))
+end
+
+local function formspec2(pos)
+	local mem = techage.get_mem(pos)
+	local meta = M(pos)
+	local output = meta:get_string("output")
+	local command = mem.cmnd or "help"
+	output = minetest.formspec_escape(output)
+	output = output:gsub("\n", ",")
+
+	return "size[10,8]"..
+		"tabheader[0,0;tab;status,console;2;;true]"..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
+		"box[0,-0.1;9.8,0.5;#c6e8ff]"..
+		"label[0.2,-0.1;"..minetest.colorize( "#000000", S("Network Data")).."]"..
+		--"style_type[table,field;font=mono]"..
+		"table[0,0.5;9.8,6.8;output;"..output..";200]"..
+		"field[0.4,7.7;7.6,1;cmnd;;"..command.."]" ..
+		"field_close_on_enter[cmnd;false]"..
+		"button[7.9,7.4;2,1;enter;"..S("Enter").."]"
+end
+
+--------------------------------------------------------------------------------------
+--Overwrite networks.power.consume_power function
+--------------------------------------------------------------------------------------
+local origin_consume_power = networks.power.consume_power
+
+function networks.power.consume_power(pos, tlib2, outdir, amount)
+	local nvm = techage.get_nvm(pos)
+	nvm.power_taken = origin_consume_power(pos, tlib2, outdir, amount)
+	return nvm.power_taken
+end
+
+local function get_consumer_power_consumption(pos)
+	if pos then
+		local nvm = techage.get_nvm(pos)
+		if nvm.running or techage.needs_power(nvm) then
+			return nvm.power_taken or 0
+		end
+	end
+	return 0
+end
+
+local function generators(pos)
+	local tbl = {}
+	local outdir = M(pos):get_int("outdir")
+	local resp = control.request(pos, Cable, outdir, "gen", "info")
+	for _, item in ipairs(resp) do
+		if item.running then
+			local s = string.format("%s (%s): %s/%u ku (%s)",
+					item.type, item.number, techage.round(item.provided), item.available, item.termpoint)
+			tbl[#tbl + 1] = s
+		else
+			local s = string.format("%s (%s): off",
+					item.type, item.number)
+			tbl[#tbl + 1] = s
+		end
+	end
+	table.sort(tbl)
+	return table.concat(tbl, "\n")
+end
+
+local function storages(pos)
+	local tbl = {}
+	local outdir = M(pos):get_int("outdir")
+	local resp = control.request(pos, Cable, outdir, "sto", "info")
+	for _, item in ipairs(resp) do
+		-- TA4/TA5 heatexchangers are no storage systems
+		if item.capa and item.capa > 1 then
+			if item.running then
+				local s = string.format("%s (%s): %s/%s kud",
+						item.type, item.number,
+						techage.round(item.load / techage.CYCLES_PER_DAY),
+						techage.round(item.capa / techage.CYCLES_PER_DAY))
+				tbl[#tbl + 1] = s
+			else
+				local s = string.format("%s (%s): %s/%s kud (off)",
+						item.type, item.number,
+						techage.round(item.load / techage.CYCLES_PER_DAY),
+						techage.round(item.capa / techage.CYCLES_PER_DAY))
+				tbl[#tbl + 1] = s
+			end
+		end
+	end
+	table.sort(tbl)
+	return table.concat(tbl, "\n")
+end
+
+local function consumers(pos, min, max)
+	local tbl = {}
+	local outdir = M(pos):get_int("outdir")
+	local netw = networks.get_network_table(pos, Cable, outdir) or {}
+	for _,item in ipairs(netw.con or {}) do
+		local number = techage.get_node_number(item.pos)
+		if number then
+			local name = techage.get_node_lvm(item.pos).name
+			name = (minetest.registered_nodes[name] or {}).description or "unknown"
+			local taken = techage.round(get_consumer_power_consumption(item.pos))
+			if taken > min and taken < max then
+				tbl[#tbl + 1] = string.format("%s (%s): %s ku", name, number, taken)
+			end
+		else
+			local name = techage.get_node_lvm(item.pos).name
+			name = (minetest.registered_nodes[name] or {}).description or "unknown"
+			local taken = techage.round(get_consumer_power_consumption(item.pos))
+			if taken > min and taken < max then
+				tbl[#tbl + 1] = string.format("%s: %s ku", name, taken)
+			end
+		end
+	end
+	table.sort(tbl)
+	return table.concat(tbl, "\n")
+end
+
+local function output(pos, command, text)
+	local meta = M(pos)
+	text = meta:get_string("output") .. "\n$ " .. command .. "\n" .. (text or "")
+	text = text:sub(-5000,-1)
+	meta:set_string("output", text)
+end
+
+local function command(pos, nvm, command)
+	local meta = M(pos)
+
+	if command then
+		command = command:sub(1,80)
+		command = string.trim(command)
+		local cmd, data = unpack(string.split(command, " ", false, 1))
+
+		if cmd == "cls" then
+			meta:set_string("output", "")
+		elseif cmd == "help" then
+			output(pos, command, HELP)
+		elseif cmd == "gen" then
+			output(pos, command, generators(pos))
+		elseif cmd == "sto" then
+			output(pos, command, storages(pos))
+		elseif cmd == "con1" then
+			output(pos, command, consumers(pos, 1, 10))
+		elseif cmd == "con2" then
+			output(pos, command, consumers(pos, 9, 1000))
+		elseif command ~= "" then
+			output(pos, command, "")
+		end
+	end
+end
+
+minetest.register_node("techage:ta3_power_terminal", {
+	description = S("TA3 Power Terminal"),
+	inventory_image = "techage_power_terminal_front.png",
+	tiles = {
+		"techage_power_terminal_top.png",
+		"techage_power_terminal_top.png",
+		"techage_power_terminal_side.png",
+		"techage_power_terminal_side.png",
+		"techage_power_terminal_back.png",
+		"techage_power_terminal_front.png",
+		},
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -8/16, -8/16, 0/16,  8/16, 8/16, 8/16},
+		},
+	},
+
+	after_place_node = function(pos, placer)
+		M(pos):set_int("outdir", networks.side_to_outdir(pos, "B"))
+		Cable:after_place_node(pos)
+		M(pos):set_string("formspec", formspec1(pos))
+		local number = techage.add_node(pos, "techage:ta3_power_terminal")
+		M(pos):set_string("node_number", number)
+		M(pos):set_string("owner", placer:get_player_name())
+		M(pos):set_string("infotext", S("TA3 Power Terminal").." "..number)
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_node(pos)
+		techage.remove_node(pos, oldnode, oldmetadata)
+		techage.del_mem(pos)
+	end,
+	on_rightclick = function(pos, node, clicker)
+		local mem = techage.get_mem(pos)
+		if mem.active_formspec == 2 then
+			M(pos):set_string("formspec", formspec2(pos))
+		else
+			M(pos):set_string("formspec", formspec1(pos))
+			minetest.get_node_timer(pos):start(CYCLE_TIME)
+			techage.set_activeformspec(pos, clicker)
+			mem.active_formspec = 1
+		end
+	end,
+	on_timer = function(pos, elapsed)
+		if techage.is_activeformspec(pos) then
+			local outdir = M(pos):get_int("outdir")
+			local data = power.get_network_data(pos, Cable, outdir)
+			M(pos):set_string("formspec", formspec1(pos, data))
+			return true
+		end
+	end,
+
+	on_receive_fields = function(pos, formname, fields, player)
+		if minetest.is_protected(pos, player:get_player_name()) then
+			return
+		end
+		local nvm = techage.get_nvm(pos)
+		local mem = techage.get_mem(pos)
+
+		if fields.key_enter_field or fields.enter then
+			command(pos, nvm, fields.cmnd)
+			mem.cmnd = ""
+			M(pos):set_string("formspec", formspec2(pos, mem))
+			mem.cmnd = fields.cmnd
+		elseif fields.tab == "1" then
+			M(pos):set_string("formspec", formspec1(pos))
+			techage.set_activeformspec(pos, player)
+			minetest.get_node_timer(pos):start(CYCLE_TIME)
+			mem.active_formspec = 1
+		elseif fields.tab == "2" then
+			M(pos):set_string("formspec", formspec2(pos))
+			techage.reset_activeformspec(pos, player)
+			mem.active_formspec = 2
+		elseif fields.key_up and mem.cmnd then
+			M(pos):set_string("formspec", formspec2(pos))
+		end
+	end,
+
+	paramtype2 = "facedir",
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	on_rotate = screwdriver.disallow,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {cracky = 2, level = 2},
+	sounds = default.node_sound_metal_defaults(),
+})
+
+power.register_nodes({"techage:ta3_power_terminal"}, Cable, "con", {"B"})
+
+techage.register_node({"techage:ta3_power_terminal"}, {
+	on_recv_message = function(pos, src, topic, payload)
+		if topic == "load" then
+			local outdir = M(pos):get_int("outdir")
+			local value = networks.power.get_storage_percent(pos, Cable, outdir)
+			return techage.round(value)
+		else
+			return "unsupported"
+		end
+	end,
+	on_beduino_request_data = function(pos, src, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		if topic == 134 then
+			local outdir = M(pos):get_int("outdir")
+			local value = networks.power.get_storage_percent(pos, Cable, outdir)
+			return 0, {math.floor(value + 0.5)}
+		else
+			return 2, ""
+		end
+	end,
+})
+
+minetest.register_craft({
+	output = "techage:ta3_power_terminal",
+	recipe = {
+		{"", "techage:usmium_nuggets", "default:steel_ingot"},
+		{"", "techage:basalt_glass_thin", "default:copper_ingot"},
+		{"", "techage:vacuum_tube", "default:steel_ingot"},
+	},
+})

mods/techage_modpack/techage/power/powerswitch.lua

@@ -0,0 +1,303 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2022 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Power Switch  (large and small)
+
+]]--
+
+-- for lazy programmers
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+local S = techage.S
+
+local Cable = techage.ElectricCable
+local power = networks.power
+
+local Param2ToDir = {
+	[0] = 6,
+	[1] = 5,
+	[2] = 2,
+	[3] = 4,
+	[4] = 1,
+	[5] = 3,
+}
+
+local function sign_in(pos, node)
+	local dir = Param2ToDir[node.param2]
+	local pos2 = tubelib2.get_pos(pos, dir)
+	M(pos2):set_int("switch_sign_in", 1)
+end
+
+local function sign_off(pos, node)
+	local dir = Param2ToDir[node.param2]
+	local pos2 = tubelib2.get_pos(pos, dir)
+	M(pos2):set_int("switch_sign_in", 0)
+end
+
+local function switch_on(pos, node, clicker, name)
+	if clicker and minetest.is_protected(pos, clicker:get_player_name()) then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+	minetest.sound_play("techage_button", {
+			pos = pos,
+			gain = 0.5,
+			max_hear_distance = 5,
+		})
+	local dir = Param2ToDir[node.param2]
+	local pos2 = tubelib2.get_pos(pos, dir)
+
+	techage.legacy_switches(pos2)
+	power.turn_switch_on(pos2, Cable, "techage:powerswitch_box_off", "techage:powerswitch_box_on")
+end
+
+local function switch_off(pos, node, clicker, name)
+	if clicker and minetest.is_protected(pos, clicker:get_player_name()) then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+	minetest.get_node_timer(pos):stop()
+	minetest.sound_play("techage_button", {
+			pos = pos,
+			gain = 0.5,
+			max_hear_distance = 5,
+		})
+	local dir = Param2ToDir[node.param2]
+	local pos2 = tubelib2.get_pos(pos, dir)
+
+	techage.legacy_switches(pos2)
+	power.turn_switch_off(pos2, Cable, "techage:powerswitch_box_off", "techage:powerswitch_box_on")
+end
+
+
+minetest.register_node("techage:powerswitch", {
+	description = S("TA Power Switch"),
+	inventory_image = "techage_appl_switch_inv.png",
+	tiles = {
+		'techage_appl_switch_off.png',
+	},
+
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -1/4, -8/16, -1/4,  1/4, -7/16, 1/4},
+			{ -1/6, -12/16, -1/6,  1/6, -8/16, 1/6},
+		},
+	},
+
+	after_place_node = function(pos, placer)
+		local meta = M(pos)
+		local number = techage.add_node(pos, "techage:powerswitch")
+		meta:set_string("node_number", number)
+		meta:set_string("owner", placer:get_player_name())
+		meta:set_string("infotext", S("TA Power Switch").." "..number)
+		local node = minetest.get_node(pos)
+		switch_on(pos, node, placer, "techage:powerswitch_on")
+		sign_in(pos, node)
+	end,
+
+	on_rightclick = function(pos, node, clicker)
+		switch_on(pos, node, clicker, "techage:powerswitch_on")
+	end,
+
+	after_dig_node = sign_off,
+	on_rotate = screwdriver.disallow,
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	paramtype2 = "wallmounted",
+	groups = {choppy=2, cracky=2, crumbly=2},
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+
+minetest.register_node("techage:powerswitch_on", {
+	description = S("TA Power Switch"),
+	inventory_image = "techage_appl_switch_inv.png",
+	tiles = {
+		'techage_appl_switch_on.png',
+	},
+
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -1/4, -8/16, -1/4,  1/4, -7/16, 1/4},
+			{ -1/6, -12/16, -1/6,  1/6, -8/16, 1/6},
+		},
+	},
+
+	on_rightclick = function(pos, node, clicker)
+		switch_off(pos, node, clicker, "techage:powerswitch")
+	end,
+
+	after_dig_node = sign_off,
+	drop = "techage:powerswitch",
+	on_rotate = screwdriver.disallow,
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	paramtype2 = "wallmounted",
+	groups = {choppy=2, cracky=2, crumbly=2, not_in_creative_inventory = 1},
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("techage:powerswitchsmall", {
+	description = S("TA Power Switch Small"),
+	inventory_image = "techage_smart_button_inventory.png",
+	tiles = {
+		'techage_smart_button_off.png',
+	},
+
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -5/32, -16/32, -5/32, 5/32, -15/32, 5/32},
+			{ -2/16, -12/16, -2/16, 2/16,  -8/16, 2/16},
+		},
+	},
+
+	after_place_node = function(pos, placer)
+		local meta = M(pos)
+		local number = techage.add_node(pos, "techage:powerswitchsmall")
+		meta:set_string("node_number", number)
+		meta:set_string("owner", placer:get_player_name())
+		meta:set_string("infotext", S("TA Power Switch Small").." "..number)
+		local node = minetest.get_node(pos)
+		switch_on(pos, node, placer, "techage:powerswitchsmall_on")
+		sign_in(pos, node)
+	end,
+
+	on_rightclick = function(pos, node, clicker)
+		switch_on(pos, node, clicker, "techage:powerswitchsmall_on")
+	end,
+
+	after_dig_node = sign_off,
+	on_rotate = screwdriver.disallow,
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	paramtype2 = "wallmounted",
+	groups = {choppy=2, cracky=2, crumbly=2},
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+
+minetest.register_node("techage:powerswitchsmall_on", {
+	description = S("TA Power Switch Small"),
+	inventory_image = "techage_appl_switch_inv.png",
+	tiles = {
+		'techage_smart_button_on.png',
+	},
+
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -5/32, -16/32, -5/32, 5/32, -15/32, 5/32},
+			{ -2/16, -12/16, -2/16, 2/16,  -8/16, 2/16},
+		},
+	},
+
+	on_rightclick = function(pos, node, clicker)
+		switch_off(pos, node, clicker, "techage:powerswitchsmall")
+	end,
+
+	after_dig_node = sign_off,
+	drop = "techage:powerswitchsmall",
+	on_rotate = screwdriver.disallow,
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	paramtype2 = "wallmounted",
+	groups = {choppy=2, cracky=2, crumbly=2, not_in_creative_inventory = 1},
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+techage.register_node({"techage:powerswitch", "techage:powerswitch_on",
+		"techage:powerswitchsmall", "techage:powerswitchsmall_on"}, {
+	on_recv_message = function(pos, src, topic, payload)
+		local node = techage.get_node_lvm(pos)
+		if topic == "on" and node.name == "techage:powerswitch" then
+			switch_on(pos, node, nil, "techage:powerswitch_on")
+			return true
+		elseif topic == "on" and node.name == "techage:powerswitchsmall" then
+			switch_on(pos, node, nil, "techage:powerswitchsmall_on")
+			return true
+		elseif topic == "off" and node.name == "techage:powerswitch_on" then
+			switch_off(pos, node, nil, "techage:powerswitch")
+			return true
+		elseif topic == "off" and node.name == "techage:powerswitchsmall_on" then
+			switch_off(pos, node, nil, "techage:powerswitchsmall")
+			return true
+		elseif topic == "state" then
+			if node.name == "techage:powerswitch_on" or
+					node.name == "techage:powerswitchsmall_on" then
+				return "on"
+			end
+			return "off"
+		else
+			return "unsupported"
+		end
+	end,
+	on_beduino_receive_cmnd = function(pos, src, topic, payload)
+		local node = techage.get_node_lvm(pos)
+		if topic == 1 and payload[1] == 1 and node.name == "techage:powerswitch" then
+			switch_on(pos, node, nil, "techage:powerswitch_on")
+			return 0
+		elseif topic == 1 and payload[1] == 1 and node.name == "techage:powerswitchsmall" then
+			switch_on(pos, node, nil, "techage:powerswitchsmall_on")
+			return 0
+		elseif topic == 1 and payload[1] == 0 and node.name == "techage:powerswitch_on" then
+			switch_off(pos, node, nil, "techage:powerswitch")
+			return 0
+		elseif topic == 1 and payload[1] == 0 and node.name == "techage:powerswitchsmall_on" then
+			switch_off(pos, node, nil, "techage:powerswitchsmall")
+			return 0
+		else
+			return 2
+		end
+	end,
+	on_beduino_request_data = function(pos, src, topic, payload)
+		local node = techage.get_node_lvm(pos)
+		if topic == 131 or topic == 142 then
+			if node.name == "techage:powerswitch_on" or
+					node.name == "techage:powerswitchsmall_on" then
+				return 0, {1}
+			end
+			return 0, {0}
+		else
+			return 2, ""
+		end
+	end,
+})
+
+minetest.register_craft({
+	output = "techage:powerswitch 2",
+	recipe = {
+		{"", "", ""},
+		{"dye:yellow", "dye:red", "dye:yellow"},
+		{"basic_materials:plastic_sheet", "basic_materials:copper_wire", "basic_materials:plastic_sheet"},
+	},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "techage:powerswitchsmall",
+	recipe = {"techage:powerswitch"},
+})

mods/techage_modpack/techage/power/powerswitchbox.lua

@@ -0,0 +1,148 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Power Switch Box
+]]--
+
+-- for lazy programmers
+local S2P = minetest.string_to_pos
+local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local M = minetest.get_meta
+local N = techage.get_node_lvm
+local S = techage.S
+
+local Cable = techage.ElectricCable
+local power = networks.power
+
+local node_box = {
+	type = "fixed",
+	fixed = {
+		{ -1/4, -1/4, -2/4,  1/4, 1/4, 2/4},
+	},
+}
+
+function techage.legacy_switches(pos)
+	local meta = M(pos)
+	local node = N(pos)
+
+	if node.name == "techage:powerswitch_box" then
+		if meta:get_int("netw_param2") == 0 then
+			node.name = "techage:powerswitch_box_off"
+		else
+			node.name = "techage:powerswitch_box_on"
+		end
+		minetest.swap_node(pos, node)
+	elseif meta:get_string("netw_name") == "techage:powerswitch_box" then
+		if meta:get_int("netw_param2") == 0 then
+			meta:set_string("netw_name", "techage:powerswitch_box_off")
+		else
+			meta:set_string("netw_name", "techage:powerswitch_box_on")
+		end
+	end
+
+	if meta:contains("tl2_param2_copy") then
+		meta:set_string("netw_param2_copy", meta:get_string("tl2_param2_copy"))
+		meta:set_string("tl2_param2_copy", "")
+	end
+end
+
+
+-- The on-switch is a "primary node" like cables
+minetest.register_node("techage:powerswitch_box_on", {
+	description = S("TA Power Switch Box"),
+	paramtype = "light",
+	drawtype = "nodebox",
+	node_box = node_box,
+	tiles = {
+		"techage_electric_switch.png^[transformR90",
+		"techage_electric_switch.png^[transformR90",
+		"techage_electric_switch.png",
+		"techage_electric_switch.png",
+		"techage_electric_junction.png",
+		"techage_electric_junction.png",
+	},
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Cable:after_place_tube(pos, placer, pointed_thing) then
+			minetest.remove_node(pos)
+			return true
+		end
+		return false
+	end,
+	on_rightclick = function(pos, node, clicker)
+		techage.legacy_switches(pos)
+		if M(pos):get_int("switch_sign_in") ~= 1 then
+			if power.turn_switch_off(pos, Cable, "techage:powerswitch_box_off", "techage:powerswitch_box_on") then
+				minetest.sound_play("doors_glass_door_open", {
+					pos = pos,
+					gain = 1,
+					max_hear_distance = 5})
+			end
+		end
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_tube(pos, oldnode, oldmetadata)
+	end,
+	paramtype2 = "facedir",
+	on_rotate = screwdriver.disallow,
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {choppy=2, cracky=2, crumbly=2, techage_trowel = 1},
+	sounds = default.node_sound_defaults(),
+})
+
+-- The off-switch is a "secondary node" without connection sides
+minetest.register_node("techage:powerswitch_box_off", {
+	description = S("TA Power Switch Box"),
+	paramtype = "light",
+	drawtype = "nodebox",
+	node_box = node_box,
+	tiles = {
+		"techage_electric_switch_off.png^[transformR90",
+		"techage_electric_switch_off.png^[transformR90",
+		"techage_electric_switch_off.png",
+		"techage_electric_switch_off.png",
+		"techage_electric_junction.png",
+		"techage_electric_junction.png",
+	},
+	on_rightclick = function(pos, node, clicker)
+		techage.legacy_switches(pos)
+		if M(pos):get_int("switch_sign_in") ~= 1 then
+			if power.turn_switch_on(pos, Cable, "techage:powerswitch_box_off", "techage:powerswitch_box_on") then
+				minetest.sound_play("doors_glass_door_open", {
+					pos = pos,
+					gain = 1,
+					max_hear_distance = 5})
+			end
+		end
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_node(pos)
+	end,
+	paramtype2 = "facedir",
+	on_rotate = screwdriver.disallow,
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	drop = "techage:powerswitch_box_on",
+	groups = {choppy=2, cracky=2, crumbly=2, techage_trowel = 1, not_in_creative_inventory = 1},
+	sounds = default.node_sound_defaults(),
+})
+
+power.register_nodes({"techage:powerswitch_box_off"}, Cable, "con", {})
+
+minetest.register_craft({
+	output = "techage:powerswitch_box_on",
+	recipe = {
+		{"", "basic_materials:plastic_sheet", ""},
+		{"techage:electric_cableS", "basic_materials:copper_wire", "techage:electric_cableS"},
+		{"", "basic_materials:plastic_sheet", ""},
+	},
+})

mods/techage_modpack/techage/power/powerswitchbox_legacy.lua

@@ -0,0 +1,71 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Old Power Switch Box
+]]--
+
+-- for lazy programmers
+local S2P = minetest.string_to_pos
+local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local M = minetest.get_meta
+local N = function(pos) return minetest.get_node(pos).name end
+local S = techage.S
+
+local Cable = techage.ElectricCable
+local power = networks.power
+
+local node_box = {
+	type = "fixed",
+	fixed = {
+		{ -1/4, -1/4, -2/4,  1/4, 1/4, 2/4},
+	},
+}
+
+-- legacy node
+minetest.register_node("techage:powerswitch_box", {
+	description = S("TA Power Switch Box"),
+	tiles = {
+		-- up, down, right, left, back, front
+		'techage_electric_switch.png^[transformR90',
+		'techage_electric_switch.png^[transformR90',
+		'techage_electric_switch.png',
+		'techage_electric_switch.png',
+		'techage_electric_junction.png',
+		'techage_electric_junction.png',
+	},
+
+	drawtype = "nodebox",
+	node_box = node_box,
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		local node = minetest.get_node(pos)
+		minetest.swap_node(pos, {name = "techage:powerswitch_box_on", param2 = node.param2})
+
+		if not Cable: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)
+		Cable:after_dig_tube(pos, oldnode, oldmetadata)
+	end,
+
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype2 = "facedir",
+	drop = "techage:powerswitch_box_on",
+	groups = {choppy=2, cracky=2, crumbly=2, techage_trowel = 1, not_in_creative_inventory = 1},
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})

mods/techage_modpack/techage/power/protection.lua

@@ -0,0 +1,71 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3/TA4 Power line Protection
+]]--
+
+local M = minetest.get_meta
+local S = techage.S
+
+local RANGE = 8
+
+local IsNodeUnderObservation = {}
+
+-- Register all nodes, which should be protected by the "techage:power_pole"
+function techage.register_powerline_node(name)
+	IsNodeUnderObservation[name] = true
+end
+
+local function powerpole_found(pos, name, range)
+	local pos1 = {x=pos.x-range, y=pos.y-range, z=pos.z-range}
+	local pos2 = {x=pos.x+range, y=pos.y+range, z=pos.z+range}
+	for _,npos in ipairs(minetest.find_nodes_in_area(pos1, pos2, {
+				"techage:power_pole", "techage:power_pole_conn",
+				"techage:power_pole2"})) do
+		if minetest.get_meta(npos):get_string("owner") ~= name then
+			return true
+		end
+	end
+	return false
+end
+
+local function is_protected(pos, name, range)
+	if minetest.check_player_privs(name, "powerline")
+			or not powerpole_found(pos, name, range) then
+		return false
+	end
+	return true
+end
+
+function techage.is_protected(pos, name)
+	return is_protected(pos, name, RANGE+3)
+end
+
+
+local old_is_protected = minetest.is_protected
+
+function minetest.is_protected(pos, name)
+	local node = techage.get_node_lvm(pos)
+	if IsNodeUnderObservation[node.name] and is_protected(pos, name, RANGE) then
+        return true
+    end
+	return old_is_protected(pos, name)
+end
+
+minetest.register_privilege("powerline", {
+	description = S("Allow to dig/place Techage power lines nearby power poles"),
+	give_to_singleplayer = false,
+	give_to_admin = true,
+})
+
+techage.register_powerline_node("techage:power_line")
+techage.register_powerline_node("techage:power_lineS")
+techage.register_powerline_node("techage:power_lineA")
+techage.register_powerline_node("techage:power_pole3")

mods/techage_modpack/techage/power/steam_pipe.lua

@@ -0,0 +1,116 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA2 Steam pipes for the Steam Engine
+
+]]--
+
+-- for lazy programmers
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+local S = techage.S
+
+local Pipe = tubelib2.Tube:new({
+	dirs_to_check = {1,2,3,4,5,6},
+	max_tube_length = 12,
+	show_infotext = false,
+	force_to_use_tubes = true,
+	tube_type = "pipe1",
+	primary_node_names = {"techage:steam_pipeS", "techage:steam_pipeA"},
+	secondary_node_names = {"techage:cylinder", "techage:cylinder_on", "techage:boiler2"},
+	after_place_tube = function(pos, param2, tube_type, num_tubes)
+		minetest.swap_node(pos, {name = "techage:steam_pipe"..tube_type, param2 = param2})
+	end,
+})
+
+minetest.register_node("techage:steam_pipeS", {
+	description = S("TA2 Steam Pipe"),
+	tiles = {
+		"techage_steam_pipe.png^[transformR90",
+		"techage_steam_pipe.png^[transformR90",
+		"techage_steam_pipe.png",
+		"techage_steam_pipe.png",
+		"techage_steam_hole.png",
+		"techage_steam_hole.png",
+	},
+
+	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 = {
+			{-1/8, -1/8, -4/8,  1/8, 1/8, 4/8},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {crumbly=3, cracky=3, snappy=3},
+	sounds = default.node_sound_metal_defaults(),
+})
+
+minetest.register_node("techage:steam_pipeA", {
+	description = S("TA2 Steam Pipe"),
+	tiles = {
+		"techage_steam_knee2.png",
+		"techage_steam_hole2.png^[transformR180",
+		"techage_steam_knee.png^[transformR270",
+		"techage_steam_knee.png",
+		"techage_steam_knee2.png",
+		"techage_steam_hole2.png",
+	},
+
+	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 = {
+			{-1/8, -4/8, -1/8, 1/8, 1/8, 1/8},
+			{-1/8, -1/8, -4/8, 1/8, 1/8, -1/8},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {crumbly=3, cracky=3, snappy=3, not_in_creative_inventory=1},
+	sounds = default.node_sound_metal_defaults(),
+	drop = "techage:steam_pipeS",
+})
+
+minetest.register_craft({
+	output = "techage:steam_pipeS 3",
+	recipe = {
+		{'', '', "default:bronze_ingot"},
+		{'', 'techage:iron_ingot', ''},
+		{"default:bronze_ingot", '', ''},
+	},
+})
+
+techage.SteamPipe = Pipe

mods/techage_modpack/techage/power/ta4_cable.lua

@@ -0,0 +1,189 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA4 Low Power Cable for solar plants
+
+]]--
+
+-- 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 power = networks.power
+
+local ELE2_MAX_CABLE_LENGHT = 200
+
+local Cable = tubelib2.Tube:new({
+	dirs_to_check = {1,2,3,4,5,6},
+	max_tube_length = ELE2_MAX_CABLE_LENGHT,
+	show_infotext = false,
+	tube_type = "ele2",
+	primary_node_names = {"techage:ta4_power_cableS", "techage:ta4_power_cableA",
+		"techage:ta4_cable_wall_entry"},
+	secondary_node_names = {},
+	after_place_tube = function(pos, param2, tube_type, num_tubes)
+		local name = minetest.get_node(pos).name
+		if name == "techage:ta4_cable_wall_entry" then
+			minetest.swap_node(pos, {name = "techage:ta4_cable_wall_entry", param2 = param2})
+		else
+			minetest.swap_node(pos, {name = "techage:ta4_power_cable"..tube_type, param2 = param2})
+		end
+	end,
+})
+
+-- Use global callback instead of node related functions
+Cable:register_on_tube_update2(function(pos, outdir, tlib2, node)
+	power.update_network(pos, outdir, tlib2, node)
+end)
+
+minetest.register_node("techage:ta4_power_cableS", {
+	description = S("TA4 Low Power Cable"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_ta4_cable.png",
+		"techage_ta4_cable.png",
+		"techage_ta4_cable.png",
+		"techage_ta4_cable.png",
+		"techage_ta4_cable_end.png",
+		"techage_ta4_cable_end.png",
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not Cable: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)
+		Cable:after_dig_tube(pos, oldnode)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-1/16, -1/16, -4/8,  1/16, 1/16, 4/8},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3},
+	sounds = default.node_sound_defaults(),
+})
+
+minetest.register_node("techage:ta4_power_cableA", {
+	description = S("TA4 Low Power Cable"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_ta4_cable.png",
+		"techage_ta4_cable_end.png",
+		"techage_ta4_cable.png",
+		"techage_ta4_cable.png",
+		"techage_ta4_cable.png",
+		"techage_ta4_cable_end.png",
+	},
+
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_tube(pos, oldnode)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-1/16, -4/8, -1/16,  1/16, 1/16,  1/16},
+			{-1/16, -1/16, -4/8,  1/16, 1/16, -1/16},
+		},
+	},
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, not_in_creative_inventory = 1},
+	sounds = default.node_sound_defaults(),
+	drop = "techage:ta4_power_cableS",
+})
+
+minetest.register_node("techage:ta4_power_box", {
+	description = S("TA4 Low Power Box"),
+	tiles = {
+		"techage_ta4_junctionbox_top.png",
+		"techage_ta4_junctionbox_top.png",
+		"techage_ta4_junctionbox_side.png^techage_appl_ta4_cable.png",
+	},
+
+	paramtype2 = "facedir", -- important!
+	drawtype = "nodebox",
+	node_box = {
+		type = "connected",
+		fixed = {
+			{ -3/16, -3/16, -3/16,   3/16, 3/16, 3/16},  -- box
+			{ -1/16, -7/16, -1/16,   1/16, -3/16, 1/16}, -- post
+			{ -3/16, -8/16, -3/16,   3/16, -7/16, 3/16}, -- base
+		},
+
+		connect_left  = {{ -1/2, -1/16, -1/16,   0, 1/16, 1/16}},
+		connect_right = {{    0, -1/16, -1/16, 1/2, 1/16, 1/16}},
+		connect_back  = {{-1/16, -1/16,    0, 1/16, 1/16, 1/2}},
+		connect_front = {{-1/16, -1/16, -1/2, 1/16, 1/16,   0}},
+	},
+	connects_to = {"techage:ta4_power_cableA", "techage:ta4_power_cableS",
+		"techage:ta4_solar_inverter", "techage:ta4_solar_carrier",
+		"techage:ta4_solar_carrierB", "techage:ta4_cable_wall_entry"},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		Cable:after_place_node(pos)
+	end,
+	tubelib2_on_update2 = function(pos, dir1, tlib2, node)
+		power.update_network(pos, 0, tlib2, node)
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_node(pos)
+	end,
+
+	on_rotate = screwdriver.disallow, -- important!
+	paramtype = "light",
+	use_texture_alpha = techage.CLIP,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {cracky=2, crumbly=2, choppy=2},
+	sounds = default.node_sound_defaults(),
+})
+
+power.register_nodes({"techage:ta4_power_box"}, Cable, "junc", {"L", "R", "F", "B"})
+
+minetest.register_craft({
+	output = "techage:ta4_power_cableS 8",
+	recipe = {
+		{"basic_materials:plastic_sheet", "dye:red", ""},
+		{"", "default:copper_ingot", ""},
+		{"", "dye:red", "basic_materials:plastic_sheet"},
+	},
+})
+
+minetest.register_craft({
+	output = "techage:ta4_power_box 2",
+	recipe = {
+		{"techage:ta4_power_cableS", "basic_materials:plastic_sheet", "techage:ta4_power_cableS"},
+		{"basic_materials:plastic_sheet", "default:copper_ingot", "basic_materials:plastic_sheet"},
+		{"techage:ta4_power_cableS", "basic_materials:plastic_sheet", "techage:ta4_power_cableS"},
+	},})
+
+techage.TA4_Cable = Cable

mods/techage_modpack/techage/power/ta4_cable_wall_entry.lua

@@ -0,0 +1,57 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA4 cable wall entry
+
+]]--
+
+local S = techage.S
+
+local TA4_Cable = techage.TA4_Cable
+
+minetest.register_node("techage:ta4_cable_wall_entry", {
+	description = S("TA4 Cable Wall Entry"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"basic_materials_concrete_block.png",
+		"basic_materials_concrete_block.png",
+		"basic_materials_concrete_block.png",
+		"basic_materials_concrete_block.png",
+		"basic_materials_concrete_block.png^techage_ta4_cable_hole.png",
+		"basic_materials_concrete_block.png^techage_ta4_cable_hole.png",
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not TA4_Cable: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)
+		TA4_Cable:after_dig_tube(pos, oldnode)
+	end,
+
+	paramtype2 = "facedir", -- important!
+	on_rotate = screwdriver.disallow, -- important!
+	groups = {crumbly = 2, cracky = 2, snappy = 2},
+	is_ground_content = false,
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_craft({
+	output = "techage:ta4_cable_wall_entry",
+	recipe = {
+		{"", "techage:ta4_power_cableS", ""},
+		{"", "basic_materials:concrete_block", ""},
+		{"", "",""},
+	},
+})