246 lines
6.2 KiB
Lua
246 lines
6.2 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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LGPLv2.1+
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See LICENSE.txt for more information
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TA3 Coal Power Station Firebox
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]]--
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-- for lazy programmers
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local P = minetest.string_to_pos
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local M = minetest.get_meta
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local S = techage.S
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local firebox = techage.firebox
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local CYCLE_TIME = 2
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local BURN_CYCLE_FACTOR = 0.5
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local function firehole(pos, on)
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local param2 = minetest.get_node(pos).param2
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local pos2 = techage.get_pos(pos, 'F')
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if on == true then
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minetest.swap_node(pos2, {name="techage:coalfirehole_on", param2 = param2})
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elseif on == false then
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minetest.swap_node(pos2, {name="techage:coalfirehole", param2 = param2})
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else
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minetest.swap_node(pos2, {name="air"})
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end
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end
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local function node_timer(pos, elapsed)
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local mem = tubelib2.get_mem(pos)
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mydbg("dbg", "firebox burn_cycles = "..(mem.burn_cycles or 0))
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if mem.running then
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-- trigger generator and provide power ratio 0..1
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local ratio = techage.transfer(
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{x=pos.x, y=pos.y+2, z=pos.z},
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nil, -- outdir
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"trigger", -- topic
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(mem.power_level or 4)/4.0, -- payload
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nil, -- network
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{"techage:coalboiler_top"} -- nodenames
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)
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ratio = math.max((ratio or 0.02), 0.02)
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mem.burn_cycles = (mem.burn_cycles or 0) - ratio
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if mem.burn_cycles <= 0 then
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local taken = firebox.get_fuel(pos)
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if taken then
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mem.burn_cycles = (firebox.Burntime[taken:get_name()] or 1) / CYCLE_TIME * BURN_CYCLE_FACTOR
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mem.burn_cycles_total = mem.burn_cycles
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else
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mem.running = false
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firehole(pos, false)
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M(pos):set_string("formspec", firebox.formspec(mem))
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return false
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end
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end
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return true
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end
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end
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local function start_firebox(pos, mem)
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if not mem.running then
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mem.running = true
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node_timer(pos, 0)
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firehole(pos, true)
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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end
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end
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minetest.register_node("techage:coalfirebox", {
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description = S("TA3 Coal Power Station Firebox"),
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inventory_image = "techage_coal_boiler_inv.png",
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tiles = {"techage_coal_boiler_mesh_top.png"},
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drawtype = "mesh",
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mesh = "techage_boiler_large.obj",
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selection_box = {
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type = "fixed",
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fixed = {-13/32, -16/32, -13/32, 13/32, 16/32, 13/32},
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},
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paramtype2 = "facedir",
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on_rotate = screwdriver.disallow,
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groups = {cracky=2},
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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on_timer = node_timer,
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can_dig = firebox.can_dig,
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allow_metadata_inventory_put = firebox.allow_metadata_inventory,
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allow_metadata_inventory_take = firebox.allow_metadata_inventory,
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on_receive_fields = firebox.on_receive_fields,
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on_rightclick = firebox.on_rightclick,
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on_construct = function(pos)
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local mem = tubelib2.init_mem(pos)
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techage.add_node(pos, "techage:coalfirebox")
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mem.running = false
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mem.burn_cycles = 0
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mem.power_level = 4
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local meta = M(pos)
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meta:set_string("formspec", firebox.formspec(mem))
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local inv = meta:get_inventory()
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inv:set_size('fuel', 1)
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firehole(pos, false)
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end,
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on_destruct = function(pos)
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firehole(pos, nil)
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end,
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on_metadata_inventory_put = function(pos, listname, index, stack, player)
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local mem = tubelib2.get_mem(pos)
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start_firebox(pos, mem)
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M(pos):set_string("formspec", firebox.formspec(mem))
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end,
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})
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minetest.register_node("techage:coalfirehole", {
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description = S("TA3 Coal Power Station Firebox"),
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tiles = {
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-- up, down, right, left, back, front
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"techage_coal_boiler.png",
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"techage_coal_boiler.png",
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"techage_coal_boiler.png",
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"techage_coal_boiler.png",
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"techage_coal_boiler.png",
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"techage_coal_boiler.png^techage_appl_firehole.png",
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{-6/16, -6/16, 6/16, 6/16, 6/16, 12/16},
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},
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},
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paramtype2 = "facedir",
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pointable = false,
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diggable = false,
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is_ground_content = false,
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groups = {not_in_creative_inventory=1},
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})
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minetest.register_node("techage:coalfirehole_on", {
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description = S("TA3 Coal Power Station Firebox"),
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tiles = {
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-- up, down, right, left, back, front
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"techage_coal_boiler.png^[colorize:black:80",
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"techage_coal_boiler.png^[colorize:black:80",
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"techage_coal_boiler.png^[colorize:black:80",
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"techage_coal_boiler.png^[colorize:black:80",
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"techage_coal_boiler.png^[colorize:black:80",
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{
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image = "techage_coal_boiler4.png^[colorize:black:80^techage_appl_firehole4.png",
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backface_culling = false,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 0.4,
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},
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},
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{-6/16, -6/16, 6/16, 6/16, 6/16, 12/16},
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},
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},
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paramtype2 = "facedir",
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light_source = 8,
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pointable = false,
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diggable = false,
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is_ground_content = false,
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groups = {not_in_creative_inventory=1},
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})
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techage.register_node({"techage:coalfirebox"}, {
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on_pull_item = function(pos, in_dir, num)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return techage.get_items(inv, "fuel", num)
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end,
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on_push_item = function(pos, in_dir, stack)
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if firebox.Burntime[stack:get_name()] then
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local mem = tubelib2.get_mem(pos)
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start_firebox(pos, mem)
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return techage.put_items(inv, "fuel", stack)
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end
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return false
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end,
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on_unpull_item = function(pos, in_dir, stack)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return techage.put_items(inv, "fuel", stack)
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end,
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on_recv_message = function(pos, topic, payload)
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local mem = tubelib2.get_mem(pos)
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if topic == "state" then
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if mem.running then
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return "running"
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else
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return "stopped"
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end
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elseif topic == "fuel" then
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local inv = M(pos):get_inventory()
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local stack = inv:get_stack("fuel", 1)
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return stack:get_count()
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else
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return "unsupported"
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end
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end,
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})
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minetest.register_craft({
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output = "techage:coalfirebox",
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recipe = {
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{'default:stone', 'default:stone', 'default:stone'},
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{'default:steel_ingot', '', 'default:steel_ingot'},
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{'default:stone', 'default:stone', 'default:stone'},
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},
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})
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minetest.register_lbm({
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label = "[techage] Power Station firebox",
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name = "techage:steam_engine",
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nodenames = {"techage:coalfirebox"},
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run_at_every_load = true,
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action = function(pos, node)
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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end
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})
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