mods that hopefully work for a TechAge-based pack

mods/techage_modpack/techage/energy_storage/heatexchanger1.lua

@@ -0,0 +1,101 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA4 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 Pipe = techage.LiquidPipe
+local power = networks.power
+
+local function turbine_cmnd(pos, topic, payload)
+	return techage.transfer(pos, "R", topic, payload, Pipe,
+		{"techage:ta4_turbine", "techage:ta4_turbine_on", "techage:ta4_collider_cooler"})
+end
+
+local function inlet_cmnd(pos, topic, payload)
+	return techage.transfer(pos, "L", topic, payload, Pipe,
+		{"techage:ta4_pipe_inlet", "techage:ta4_collider_pipe_inlet"})
+end
+
+minetest.register_node("techage:heatexchanger1", {
+	description = S("TA4 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_pipe.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)
+		Pipe:after_place_node(pos)
+	end,
+	tubelib2_on_update2 = function(pos, outdir, tlib2, node)
+		if tlib2 == Cable then
+			power.update_network(pos, 0, tlib2, 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:heatexchanger2"
+	end,
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		Cable:after_dig_node(pos)
+		Pipe:after_dig_node(pos)
+	end,
+	networks = {},
+	paramtype2 = "facedir",
+	groups = {crumbly = 2, cracky = 2, snappy = 2},
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	sounds = default.node_sound_metal_defaults(),
+})
+
+Pipe:add_secondary_node_names({"techage:heatexchanger1"})
+Pipe:set_valid_sides("techage:heatexchanger1", {"R", "L"})
+
+power.register_nodes({"techage:heatexchanger1"}, Cable, "junc", {"F", "B", "U"})
+
+-- command interface
+techage.register_node({"techage:heatexchanger1"}, {
+	on_transfer = function(pos, indir, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		-- used by heatexchanger2
+		if topic == "diameter" or topic == "volume" or topic == "window" or topic == "detector" then
+			return inlet_cmnd(pos, topic, payload)
+		else
+			return turbine_cmnd(pos, topic, payload)
+		end
+	end,
+})
+
+minetest.register_craft({
+	output = "techage:heatexchanger1",
+	recipe = {
+		{"default:tin_ingot", "techage:electric_cableS", "default:steel_ingot"},
+		{"techage:ta4_pipeS", "basic_materials:gear_steel", "techage:ta4_pipeS"},
+		{"", "techage:baborium_ingot", ""},
+	},
+})