mods that hopefully work for a TechAge-based pack

mods/techage_modpack/techage/fusion_reactor/heatexchanger3.lua

@@ -0,0 +1,106 @@
+--[[
+
+	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")
+	return control.request(pos, Pipe3, outdir, "tank", topic)
+end
+
+minetest.register_node("techage:ta5_heatexchanger3", {
+	description = S("TA5 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:red", "default:steel_ingot"},
+		{"techage:ta5_pipe2S", "basic_materials:gear_steel", "techage:ta4_pipeS"},
+		{"", "techage:baborium_ingot", ""},
+	},
+})
+
+techage.orientate_node = orientate_node