mirror of
https://github.com/minetest/minetest_game.git
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54b87e955d
Adds a minor helper function that allows efficient retrieval of several inventories from a node inventory. We use this helper to quickly retrieve the items in chests, vessel shelves, book shelves and furnaces, and return these with the nodes itself to the TNT caller. The TNT caller then performs the entity physics, and we don't need to do anything else. We disable TNT doing anything with bones. We expose a bug in the code that drops the items - metadata was lost entirely. This patch corrects that by properly copying the metadata and creating the drops list inclusive metadata.
311 lines
8.3 KiB
Lua
311 lines
8.3 KiB
Lua
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--
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-- Formspecs
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--
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local function active_formspec(fuel_percent, item_percent)
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local formspec =
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"size[8,8.5]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"list[current_name;src;2.75,0.5;1,1;]"..
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"list[current_name;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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(100-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[current_name;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[current_name;dst]"..
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"listring[current_player;main]"..
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"listring[current_name;src]"..
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"listring[current_player;main]"..
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default.get_hotbar_bg(0, 4.25)
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return formspec
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end
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local inactive_formspec =
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"size[8,8.5]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"list[current_name;src;2.75,0.5;1,1;]"..
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"list[current_name;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[current_name;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[current_name;dst]"..
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"listring[current_player;main]"..
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"listring[current_name;src]"..
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"listring[current_player;main]"..
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default.get_hotbar_bg(0, 4.25)
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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", "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 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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-- Inizialize 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 = inv:get_list("src")
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local fuellist = inv:get_list("fuel")
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local dstlist = inv:get_list("dst")
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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 cooked, aftercooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
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local cookable = true
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if cooked.time == 0 then
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cookable = false
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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 + 1
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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 + 1
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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 = 0
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end
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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 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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fuel_time = 0
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src_time = 0
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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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fuel_totaltime = fuel.time
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fuel_time = 0
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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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fuel_time = 0
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src_time = 0
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end
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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 = inactive_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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item_state = item_percent .. "%"
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else
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if srclist[1]:is_empty() then
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item_state = "Empty"
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else
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item_state = "Not cookable"
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end
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end
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local fuel_state = "Empty"
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local active = "inactive "
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local result = false
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if fuel_time <= fuel_totaltime and fuel_totaltime ~= 0 then
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active = "active "
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local fuel_percent = math.floor(fuel_time / fuel_totaltime * 100)
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fuel_state = fuel_percent .. "%"
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formspec = 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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else
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if not fuellist[1]:is_empty() then
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fuel_state = "0%"
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end
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swap_node(pos, "default:furnace")
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-- stop timer on the inactive furnace
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local timer = minetest.get_node_timer(pos)
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timer:stop()
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end
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local infotext = "Furnace " .. active .. "(Item: " .. item_state .. "; Fuel: " .. 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 = "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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meta:set_string("formspec", inactive_formspec)
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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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end,
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on_metadata_inventory_move = function(pos)
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local timer = minetest.get_node_timer(pos)
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timer: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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local timer = minetest.get_node_timer(pos)
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timer: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 = "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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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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