mods that hopefully work for a TechAge-based pack

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", ""},
+	},
+})