mods that hopefully work for a TechAge-based pack

mods/techage_modpack/techage/coal_power_station/oilfirebox.lua

@@ -0,0 +1,156 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2022 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Coal Power Station Firebox
+
+]]--
+
+-- for lazy programmers
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+local S = techage.S
+
+local firebox = techage.firebox
+local fuel = techage.fuel
+local Pipe = techage.LiquidPipe
+local liquid = networks.liquid
+
+local CYCLE_TIME = 2
+local BURN_CYCLE_FACTOR = 0.5
+
+local function node_timer(pos, elapsed)
+	local nvm = techage.get_nvm(pos)
+	local power = techage.transfer(
+		{x=pos.x, y=pos.y+2, z=pos.z},
+		nil,  -- outdir
+		"trigger",  -- topic
+		nil,  -- payload
+		nil,  -- network
+		{"techage:coalboiler_top"}  -- nodenames
+	)
+	nvm.burn_cycles = (nvm.burn_cycles or 0) - math.max((power or 0.02), 0.02)
+	if nvm.burn_cycles <= 0 then
+	local liq_name = fuel.get_fuel(nvm)
+		if liq_name then
+			nvm.burn_cycles = fuel.burntime(liq_name) / CYCLE_TIME * BURN_CYCLE_FACTOR
+			nvm.burn_cycles_total = nvm.burn_cycles
+		else
+			nvm.running = false
+			firebox.set_firehole(pos, false)
+			M(pos):set_string("formspec", fuel.formspec(nvm))
+			return false
+		end
+	end
+	if techage.is_activeformspec(pos) then
+		M(pos):set_string("formspec", fuel.formspec(nvm))
+	end
+	return true
+end
+
+local function start_firebox(pos, nvm)
+	if not nvm.running and fuel.has_fuel(nvm) then
+		nvm.running = true
+		node_timer(pos, 0)
+		firebox.set_firehole(pos, true)
+		minetest.get_node_timer(pos):start(CYCLE_TIME)
+	end
+end
+
+minetest.register_node("techage:oilfirebox", {
+	description = S("TA3 Power Station Oil Burner"),
+	inventory_image = "techage_oil_boiler_inv.png",
+	tiles = {"techage_coal_boiler_mesh_top.png"},
+	drawtype = "mesh",
+	mesh = "techage_cylinder_12.obj",
+	selection_box = {
+		type = "fixed",
+		fixed = {-13/32, -16/32, -13/32, 13/32, 16/32, 13/32},
+	},
+
+	paramtype = "light",
+	paramtype2 = "facedir",
+	on_rotate = screwdriver.disallow,
+	groups = {cracky=2},
+	is_ground_content = false,
+	sounds = default.node_sound_stone_defaults(),
+
+	on_timer = node_timer,
+	can_dig = fuel.can_dig,
+	on_rightclick = fuel.on_rightclick,
+	on_receive_fields = fuel.on_receive_fields,
+
+	after_place_node = function(pos, placer)
+		if firebox.is_free_position(pos, placer:get_player_name()) then
+			techage.add_node(pos, "techage:oilfirebox", true)
+			local nvm = techage.get_nvm(pos)
+			nvm.running = false
+			nvm.burn_cycles = 0
+			nvm.liquid = {}
+			nvm.liquid.amount =  0
+			local meta = M(pos)
+			meta:set_string("formspec", fuel.formspec(nvm))
+			local inv = meta:get_inventory()
+			firebox.set_firehole(pos, false)
+		else
+			minetest.remove_node(pos)
+			return true
+		end
+	end,
+
+	on_destruct = function(pos)
+		firebox.set_firehole(pos, nil)
+	end,
+
+	on_punch = function(pos, node, puncher, pointed_thing)
+		local nvm = techage.get_nvm(pos)
+		fuel.on_punch(pos, node, puncher, pointed_thing)
+		if nvm.liquid and nvm.liquid.amount and nvm.liquid.amount > 0 then
+			minetest.after(1, start_firebox, pos, nvm)
+		end
+	end,
+})
+
+liquid.register_nodes({"techage:oilfirebox"},
+	Pipe, "tank", nil, fuel.get_liquid_table(fuel.BT_OIL, fuel.CAPACITY, start_firebox))
+
+
+techage.register_node({"techage:oilfirebox"}, {
+	on_recv_message = function(pos, src, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		if topic == "state" then
+			return nvm.running and "running" or "stopped"
+		elseif topic == "fuel" then
+			return fuel.get_fuel_amount(nvm)
+		else
+			return "unsupported"
+		end
+	end,
+	on_beduino_request_data = function(pos, src, topic, payload)
+		local nvm = techage.get_nvm(pos)
+		if topic == 128 then
+			return 0, techage.get_node_lvm(pos).name
+		elseif topic == 129 then
+			return 0, {nvm.running and techage.RUNNING or techage.STOPPED}
+		elseif topic == 132 then
+			return 0, {fuel.get_fuel_amount(nvm)}
+		else
+			return 2, ""
+		end
+	end,
+})
+
+minetest.register_craft({
+	output = "techage:oilfirebox",
+	recipe = {
+		{'', 'techage:coalfirebox', ''},
+		{'', 'techage:ta3_barrel_empty', ''},
+		{'', '', ''},
+	},
+})