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https://github.com/minetest/minetest_game.git
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428 lines
12 KiB
Lua
428 lines
12 KiB
Lua
-- default/furnace.lua
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-- support for MT game translation.
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local S = default.get_translator
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-- List of sound handles for active furnace
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local furnace_fire_sounds = {}
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--
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-- Formspecs
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--
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function default.get_furnace_active_formspec(fuel_percent, item_percent)
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return "size[8,8.5]"..
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"list[context;src;2.75,0.5;1,1;]"..
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"list[context;fuel;2.75,2.5;1,1;]"..
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"image[2.75,1.5;1,1;default_furnace_fire_bg.png^[lowpart:"..
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(fuel_percent)..":default_furnace_fire_fg.png]"..
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"image[3.75,1.5;1,1;gui_furnace_arrow_bg.png^[lowpart:"..
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(item_percent)..":gui_furnace_arrow_fg.png^[transformR270]"..
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"list[context;dst;4.75,0.96;2,2;]"..
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"list[current_player;main;0,4.25;8,1;]"..
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"list[current_player;main;0,5.5;8,3;8]"..
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"listring[context;dst]"..
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"listring[current_player;main]"..
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"listring[context;src]"..
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"listring[current_player;main]"..
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"listring[context;fuel]"..
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"listring[current_player;main]"..
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default.get_hotbar_bg(0, 4.25)
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end
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function default.get_furnace_inactive_formspec()
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return "size[8,8.5]"..
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"list[context;src;2.75,0.5;1,1;]"..
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"list[context;fuel;2.75,2.5;1,1;]"..
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"image[2.75,1.5;1,1;default_furnace_fire_bg.png]"..
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"image[3.75,1.5;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
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"list[context;dst;4.75,0.96;2,2;]"..
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"list[current_player;main;0,4.25;8,1;]"..
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"list[current_player;main;0,5.5;8,3;8]"..
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"listring[context;dst]"..
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"listring[current_player;main]"..
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"listring[context;src]"..
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"listring[current_player;main]"..
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"listring[context;fuel]"..
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"listring[current_player;main]"..
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default.get_hotbar_bg(0, 4.25)
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end
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--
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-- Node callback functions that are the same for active and inactive furnace
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--
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local function can_dig(pos, player)
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local meta = minetest.get_meta(pos);
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local inv = meta:get_inventory()
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return inv:is_empty("fuel") and inv:is_empty("dst") and inv:is_empty("src")
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end
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local function allow_metadata_inventory_put(pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if listname == "fuel" then
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if minetest.get_craft_result({method="fuel", width=1, items={stack}}).time ~= 0 then
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if inv:is_empty("src") then
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meta:set_string("infotext", S("Furnace is empty"))
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end
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return stack:get_count()
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else
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return 0
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end
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elseif listname == "src" then
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return stack:get_count()
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elseif listname == "dst" then
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return 0
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end
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end
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local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local stack = inv:get_stack(from_list, from_index)
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return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
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end
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local function allow_metadata_inventory_take(pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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return stack:get_count()
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end
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local function stop_furnace_sound(pos, fadeout_step)
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local hash = minetest.hash_node_position(pos)
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local sound_ids = furnace_fire_sounds[hash]
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if sound_ids then
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for _, sound_id in ipairs(sound_ids) do
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minetest.sound_fade(sound_id, -1, 0)
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end
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furnace_fire_sounds[hash] = nil
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end
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end
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local function swap_node(pos, name)
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local node = minetest.get_node(pos)
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if node.name == name then
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return
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end
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node.name = name
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minetest.swap_node(pos, node)
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end
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local function furnace_node_timer(pos, elapsed)
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--
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-- Initialize metadata
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--
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local meta = minetest.get_meta(pos)
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local fuel_time = meta:get_float("fuel_time") or 0
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local src_time = meta:get_float("src_time") or 0
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local fuel_totaltime = meta:get_float("fuel_totaltime") or 0
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local inv = meta:get_inventory()
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local srclist, fuellist
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local dst_full = false
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local timer_elapsed = meta:get_int("timer_elapsed") or 0
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meta:set_int("timer_elapsed", timer_elapsed + 1)
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local cookable, cooked
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local fuel
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local update = true
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while elapsed > 0 and update do
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update = false
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srclist = inv:get_list("src")
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fuellist = inv:get_list("fuel")
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--
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-- Cooking
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--
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-- Check if we have cookable content
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local aftercooked
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cooked, aftercooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
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cookable = cooked.time ~= 0
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local el = math.min(elapsed, fuel_totaltime - fuel_time)
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if cookable then -- fuel lasts long enough, adjust el to cooking duration
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el = math.min(el, cooked.time - src_time)
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end
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-- Check if we have enough fuel to burn
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if fuel_time < fuel_totaltime then
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-- The furnace is currently active and has enough fuel
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fuel_time = fuel_time + el
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-- If there is a cookable item then check if it is ready yet
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if cookable then
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src_time = src_time + el
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if src_time >= cooked.time then
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-- Place result in dst list if possible
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if inv:room_for_item("dst", cooked.item) then
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inv:add_item("dst", cooked.item)
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inv:set_stack("src", 1, aftercooked.items[1])
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src_time = src_time - cooked.time
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update = true
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else
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dst_full = true
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end
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-- Play cooling sound
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minetest.sound_play("default_cool_lava",
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{pos = pos, max_hear_distance = 16, gain = 0.07}, true)
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else
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-- Item could not be cooked: probably missing fuel
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update = true
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end
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end
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else
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-- Furnace ran out of fuel
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if cookable then
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-- We need to get new fuel
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local afterfuel
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fuel, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist})
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if fuel.time == 0 then
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-- No valid fuel in fuel list
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fuel_totaltime = 0
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src_time = 0
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else
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-- prevent blocking of fuel inventory (for automatization mods)
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local is_fuel = minetest.get_craft_result({method = "fuel", width = 1, items = {afterfuel.items[1]:to_string()}})
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if is_fuel.time == 0 then
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table.insert(fuel.replacements, afterfuel.items[1])
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inv:set_stack("fuel", 1, "")
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else
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-- Take fuel from fuel list
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inv:set_stack("fuel", 1, afterfuel.items[1])
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end
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-- Put replacements in dst list or drop them on the furnace.
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local replacements = fuel.replacements
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if replacements[1] then
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local leftover = inv:add_item("dst", replacements[1])
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if not leftover:is_empty() then
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local above = vector.new(pos.x, pos.y + 1, pos.z)
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local drop_pos = minetest.find_node_near(above, 1, {"air"}) or above
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minetest.item_drop(replacements[1], nil, drop_pos)
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end
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end
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update = true
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fuel_totaltime = fuel.time + (fuel_totaltime - fuel_time)
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end
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else
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-- We don't need to get new fuel since there is no cookable item
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fuel_totaltime = 0
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src_time = 0
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end
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fuel_time = 0
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end
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elapsed = elapsed - el
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end
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if fuel and fuel_totaltime > fuel.time then
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fuel_totaltime = fuel.time
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end
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if srclist and srclist[1]:is_empty() then
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src_time = 0
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end
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--
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-- Update formspec, infotext and node
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--
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local formspec
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local item_state
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local item_percent = 0
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if cookable then
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item_percent = math.floor(src_time / cooked.time * 100)
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if dst_full then
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item_state = S("100% (output full)")
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else
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item_state = S("@1%", item_percent)
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end
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else
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if srclist and not srclist[1]:is_empty() then
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item_state = S("Not cookable")
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else
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item_state = S("Empty")
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end
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end
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local fuel_state = S("Empty")
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local active = false
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local result = false
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if fuel_totaltime ~= 0 then
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active = true
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local fuel_percent = 100 - math.floor(fuel_time / fuel_totaltime * 100)
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fuel_state = S("@1%", fuel_percent)
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formspec = default.get_furnace_active_formspec(fuel_percent, item_percent)
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swap_node(pos, "default:furnace_active")
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-- make sure timer restarts automatically
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result = true
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-- Play sound every 5 seconds while the furnace is active
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if timer_elapsed == 0 or (timer_elapsed + 1) % 5 == 0 then
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local sound_id = minetest.sound_play("default_furnace_active",
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{pos = pos, max_hear_distance = 16, gain = 0.25})
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local hash = minetest.hash_node_position(pos)
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furnace_fire_sounds[hash] = furnace_fire_sounds[hash] or {}
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table.insert(furnace_fire_sounds[hash], sound_id)
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-- Only remember the 3 last sound handles
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if #furnace_fire_sounds[hash] > 3 then
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table.remove(furnace_fire_sounds[hash], 1)
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end
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-- Remove the sound ID automatically from table after 11 seconds
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minetest.after(11, function()
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if not furnace_fire_sounds[hash] then
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return
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end
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for f=#furnace_fire_sounds[hash], 1, -1 do
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if furnace_fire_sounds[hash][f] == sound_id then
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table.remove(furnace_fire_sounds[hash], f)
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end
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end
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if #furnace_fire_sounds[hash] == 0 then
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furnace_fire_sounds[hash] = nil
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end
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end)
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end
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else
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if fuellist and not fuellist[1]:is_empty() then
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fuel_state = S("@1%", 0)
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end
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formspec = default.get_furnace_inactive_formspec()
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swap_node(pos, "default:furnace")
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-- stop timer on the inactive furnace
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minetest.get_node_timer(pos):stop()
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meta:set_int("timer_elapsed", 0)
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stop_furnace_sound(pos)
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end
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local infotext
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if active then
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infotext = S("Furnace active")
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else
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infotext = S("Furnace inactive")
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end
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infotext = infotext .. "\n" .. S("(Item: @1; Fuel: @2)", item_state, fuel_state)
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--
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-- Set meta values
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--
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meta:set_float("fuel_totaltime", fuel_totaltime)
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meta:set_float("fuel_time", fuel_time)
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meta:set_float("src_time", src_time)
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meta:set_string("formspec", formspec)
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meta:set_string("infotext", infotext)
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return result
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end
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--
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-- Node definitions
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--
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minetest.register_node("default:furnace", {
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description = S("Furnace"),
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tiles = {
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"default_furnace_top.png", "default_furnace_bottom.png",
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"default_furnace_side.png", "default_furnace_side.png",
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"default_furnace_side.png", "default_furnace_front.png"
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},
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paramtype2 = "facedir",
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groups = {cracky=2},
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legacy_facedir_simple = true,
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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can_dig = can_dig,
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on_timer = furnace_node_timer,
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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inv:set_size('src', 1)
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inv:set_size('fuel', 1)
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inv:set_size('dst', 4)
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furnace_node_timer(pos, 0)
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end,
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on_metadata_inventory_move = function(pos)
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minetest.get_node_timer(pos):start(1.0)
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end,
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on_metadata_inventory_put = function(pos)
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-- start timer function, it will sort out whether furnace can burn or not.
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minetest.get_node_timer(pos):start(1.0)
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end,
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on_metadata_inventory_take = function(pos)
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-- check whether the furnace is empty or not.
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minetest.get_node_timer(pos):start(1.0)
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end,
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on_blast = function(pos)
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local drops = {}
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default.get_inventory_drops(pos, "src", drops)
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default.get_inventory_drops(pos, "fuel", drops)
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default.get_inventory_drops(pos, "dst", drops)
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drops[#drops+1] = "default:furnace"
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minetest.remove_node(pos)
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return drops
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end,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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})
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minetest.register_node("default:furnace_active", {
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description = S("Furnace"),
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tiles = {
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"default_furnace_top.png", "default_furnace_bottom.png",
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"default_furnace_side.png", "default_furnace_side.png",
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"default_furnace_side.png",
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{
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image = "default_furnace_front_active.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 = 16,
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aspect_h = 16,
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length = 1.5
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},
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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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drop = "default:furnace",
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groups = {cracky=2, not_in_creative_inventory=1},
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legacy_facedir_simple = true,
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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on_timer = furnace_node_timer,
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on_destruct = function(pos)
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stop_furnace_sound(pos)
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end,
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can_dig = can_dig,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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})
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minetest.register_craft({
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output = "default:furnace",
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recipe = {
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{"group:stone", "group:stone", "group:stone"},
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{"group:stone", "", "group:stone"},
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{"group:stone", "group:stone", "group:stone"},
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}
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})
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