mods that hopefully work for a TechAge-based pack
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--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
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Charcoalpile to produce charcoal
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]]--
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local S = techage.S
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local PILE_BURN_TIME = 1200
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local COAL_BURN_TIME = 300
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-- determine the number of wood nodes
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local function num_wood(pos)
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local pos1 = {x=pos.x-1, y=pos.y, z=pos.z-1}
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local pos2 = {x=pos.x+1, y=pos.y+2, z=pos.z+1}
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local nodes = minetest.find_nodes_in_area(pos1, pos2, "group:wood")
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return #nodes
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end
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-- determine the number of dirt nodes (around wood)
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local function num_dirt(pos)
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local pos1 = {x=pos.x-2, y=pos.y-1, z=pos.z-2}
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local pos2 = {x=pos.x+2, y=pos.y+3, z=pos.z+2}
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local nodes = minetest.find_nodes_in_area(pos1, pos2, techage.aAnyKindOfDirtBlocks)
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return #nodes
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end
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-- determine the number of ignore nodes
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local function num_ignore(pos)
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local pos1 = {x=pos.x-2, y=pos.y-1, z=pos.z-2}
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local pos2 = {x=pos.x+2, y=pos.y+3, z=pos.z+2}
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local nodes = minetest.find_nodes_in_area(pos1, pos2, "ignore")
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return #nodes
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end
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-- replace pile top nodes
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local function make_dirt_with_dry_grass(pos)
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local pos1 = {x=pos.x-2, y=pos.y+3, z=pos.z-2}
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local pos2 = {x=pos.x+2, y=pos.y+3, z=pos.z+2}
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for _,p in ipairs(minetest.find_nodes_in_area(pos1, pos2, {
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"default:dirt_with_grass",
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"default:dirt_with_coniferous_litter",
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"default:dirt_with_rainforest_litter",
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})) do
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minetest.swap_node(p, {name = "default:dirt_with_dry_grass"})
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end
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if minetest.global_exists("ethereal") then
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for _,p in ipairs(minetest.find_nodes_in_area(pos1, pos2, techage.aEtherealDirts)) do
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minetest.swap_node(p, {name = "default:dirt_with_dry_grass"})
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end
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end
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end
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-- replace pile bottom nodes
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local function make_dirt_with_ash(pos)
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local pos1 = {x=pos.x-1, y=pos.y-1, z=pos.z-1}
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local pos2 = {x=pos.x+1, y=pos.y-1, z=pos.z+1}
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for _,p in ipairs(minetest.find_nodes_in_area(pos1, pos2, "default:dirt")) do
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minetest.swap_node(p, {name = "techage:dirt_with_ash"})
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end
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end
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local function start_smoke(pos)
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local meta = minetest.get_meta(pos)
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pos = {x=pos.x, y=pos.y+3.6, z=pos.z}
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local id = meta:get_int("smoke")
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local above = minetest.get_node(pos).name
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if id ~= 0 then
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minetest.delete_particlespawner(id)
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meta:set_int("smoke", 0)
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end
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if above == "air" then
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id = minetest.add_particlespawner({
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amount = 4, time = 0, collisiondetection = true,
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minpos = {x=pos.x-0.25, y=pos.y+0.1, z=pos.z-0.25},
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maxpos = {x=pos.x+0.25, y=pos.y+5, z=pos.z+0.25},
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minvel = {x=-0.2, y=0.3, z=-0.2}, maxvel = {x=0.2, y=1, z=0.2},
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minacc = {x=0,y=0,z=0}, maxacc = {x=0,y=0.5,z=0},
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minexptime = 2, maxexptime = 4,
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minsize = 6, maxsize = 12,
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texture = "techage_smoke.png",
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})
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meta:set_int("smoke", id)
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end
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end
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local function stop_smoke(pos)
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local meta = minetest.get_meta(pos)
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local id = meta:get_int("smoke")
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if id ~= 0 then
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minetest.delete_particlespawner(id)
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end
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meta:set_int("smoke", 0)
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end
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-- replace wood by burning coal
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local function collapse_pile(pos)
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local pos1 = {x=pos.x-1, y=pos.y, z=pos.z-1}
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local pos2 = {x=pos.x+1, y=pos.y+2, z=pos.z+1}
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techage.ironage_swap_nodes(pos1, pos2, "group:wood", "techage:charcoal_burn")
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stop_smoke(pos)
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make_dirt_with_ash(pos)
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end
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-- replace wood by coal
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local function convert_to_coal(pos)
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local pos1 = {x=pos.x-1, y=pos.y+1, z=pos.z-1}
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local pos2 = {x=pos.x+1, y=pos.y+2, z=pos.z+1}
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techage.ironage_swap_nodes(pos1, pos2, "group:wood", "air")
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pos1 = {x=pos.x-1, y=pos.y+0, z=pos.z-1}
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pos2 = {x=pos.x+1, y=pos.y+1, z=pos.z+1}
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techage.ironage_swap_nodes(pos1, pos2, "group:wood", "techage:charcoal")
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stop_smoke(pos)
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minetest.swap_node(pos, {name = "techage:charcoal"})
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make_dirt_with_ash(pos)
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make_dirt_with_dry_grass(pos)
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end
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function techage.start_pile(pos)
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local meta = minetest.get_meta(pos)
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meta:set_int("ignite", minetest.get_gametime())
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minetest.get_node_timer(pos):start(20)
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end
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-- node timer function
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function techage.keep_running_pile(pos)
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local meta = minetest.get_meta(pos)
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if meta:get_int("running") == 0 then
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if num_wood(pos) == 26 and num_dirt(pos) == 98 then
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meta:set_int("running", 1)
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start_smoke(pos)
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elseif minetest.get_gametime() > (meta:get_int("ignite") + 10) then
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collapse_pile(pos)
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minetest.remove_node(pos)
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return false
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end
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else
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if num_ignore(pos) == 0 and (num_wood(pos) ~= 26 or num_dirt(pos) ~= 98) then
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collapse_pile(pos)
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minetest.remove_node(pos)
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return false
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elseif minetest.get_gametime() > (meta:get_int("ignite") + PILE_BURN_TIME) then
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convert_to_coal(pos)
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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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function techage.stop_pile(pos)
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collapse_pile(pos)
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end
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minetest.register_node("techage:dirt_with_ash", {
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description = S("Dirt with Ash"),
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tiles = {
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"techage_ash.png",
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"default_dirt.png",
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{name = "default_dirt.png^techage_ash_side.png",
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tileable_vertical = false}},
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groups = {crumbly = 3, soil = 1, spreading_dirt_type = 1, not_in_creative_inventory=1},
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drop = 'default:dirt',
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sounds = default.node_sound_dirt_defaults({
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footstep = {name = "default_grass_footstep", gain = 0.4},
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}),
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})
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minetest.register_node("techage:charcoal_burn", {
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tiles = {"techage_charcoal_burn.png"},
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after_place_node = function(pos)
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minetest.get_node_timer(pos):start(math.random(COAL_BURN_TIME, COAL_BURN_TIME*1.2))
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end,
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on_timer = function(pos)
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minetest.remove_node(pos)
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return false
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end,
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drop = "",
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paramtype = "light",
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light_source = 10,
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is_ground_content = false,
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groups = {crumbly = 2, falling_node = 1, not_in_creative_inventory=1},
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sounds = default.node_sound_dirt_defaults(),
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})
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minetest.register_node("techage:charcoal", {
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description = S("TA1 Charcoal"),
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tiles = {"techage_charcoal.png"},
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on_ignite = function(pos, igniter)
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minetest.after(2, minetest.swap_node, pos, {name = "techage:charcoal_burn"})
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minetest.after(COAL_BURN_TIME/2, minetest.remove_node, pos)
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end,
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is_ground_content = false,
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groups = {crumbly = 2, falling_node = 1},
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sounds = default.node_sound_dirt_defaults(),
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})
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minetest.register_craft({
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type = "fuel",
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recipe = "techage:charcoal",
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burntime = 120,
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})
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minetest.register_lbm({
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label = "[techage] Lighter update",
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name = "techage:lighter_update",
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nodenames = {"techage:lighter_burn"},
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run_at_every_load = true,
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action = function(pos, node)
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local meta = minetest.get_meta(pos)
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if meta:get_int("running") == 1 then
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start_smoke(pos)
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end
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end
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})
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