mods that hopefully work for a TechAge-based pack

mods/techage_modpack/techage/coal_power_station/turbine.lua

@@ -0,0 +1,184 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Power Station Turbine
+
+]]--
+
+-- for lazy programmers
+local M = minetest.get_meta
+local S = techage.S
+
+local Pipe = techage.SteamPipe
+
+local function transfer_cooler(pos, topic, payload)
+	return techage.transfer(pos, 6, topic, payload, Pipe,
+		{"techage:cooler", "techage:cooler_on"})
+end
+
+local function transfer_generator(pos, topic, payload)
+	return techage.transfer(pos, "R", topic, payload, nil,
+		{"techage:generator", "techage: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 = 1,
+			max_hear_distance = 15,
+			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 after_place_node(pos)
+	Pipe:after_place_node(pos)
+end
+
+local function after_dig_node(pos, oldnode)
+	stop_sound(pos)
+	Pipe:after_dig_node(pos)
+	techage.del_mem(pos)
+end
+
+local function tubelib2_on_update2(pos, outdir, tlib2, node)
+	swap_node(pos, "techage:turbine")
+	stop_sound(pos)
+end
+
+minetest.register_node("techage:turbine", {
+	description = S("TA3 Turbine"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_steam_hole.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_appl_open.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_steam_hole.png",
+		"techage_filling_ta3.png^techage_appl_turbine.png^techage_frame_ta3.png^[transformFX",
+		"techage_filling_ta3.png^techage_appl_turbine.png^techage_frame_ta3.png",
+	},
+
+	after_place_node = after_place_node,
+	after_dig_node = after_dig_node,
+	tubelib2_on_update2 = tubelib2_on_update2,
+
+	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:turbine_on", {
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_steam_hole.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_appl_open.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_steam_hole.png",
+		{
+			name = "techage_filling4_ta3.png^techage_appl_turbine4.png^techage_frame4_ta3.png^[transformFX",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.4,
+			},
+		},
+		{
+			name = "techage_filling4_ta3.png^techage_appl_turbine4.png^techage_frame4_ta3.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.4,
+			},
+		},
+	},
+
+	tubelib2_on_update2 = tubelib2_on_update2,
+
+	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:turbine", "techage:turbine_on"})
+Pipe:set_valid_sides("techage:turbine", {"L", "U"})
+Pipe:set_valid_sides("techage:turbine_on", {"L", "U"})
+
+techage.register_node({"techage:turbine", "techage:turbine_on"}, {
+	on_transfer = function(pos, in_dir, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		if topic == "trigger" then  -- used by boiler
+			if not transfer_cooler(pos, topic, payload) then
+				return 0
+			end
+			local power = transfer_generator(pos, topic, payload)
+			if not power or power <= 0 and nvm.running then
+				swap_node(pos, "techage:turbine")
+				stop_sound(pos)
+				nvm.running = false
+				return 0
+			end
+			return power
+		elseif topic == "start" then  -- used by generator
+			swap_node(pos, "techage:turbine_on")
+			play_sound(pos)
+			nvm.running = true
+			return true
+		elseif topic == "stop" then  -- used by generator
+			swap_node(pos, "techage:turbine")
+			stop_sound(pos)
+			nvm.running = false
+			return true
+		end
+	end,
+	on_node_load = function(pos, node)
+		if node.name == "techage:turbine_on" then
+			play_sound(pos)
+		end
+	end,
+})
+
+minetest.register_craft({
+	output = "techage:turbine",
+	recipe = {
+		{"basic_materials:steel_bar", "techage:steam_pipeS", "default:wood"},
+		{"techage:steam_pipeS", "basic_materials:gear_steel", ""},
+		{"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"},
+	},
+})