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* Move furnace related code into furnace.lua * Move duplicated code into functions * Rewrite ABM: * Easier to follow strcuture (no returns in the middle) * No unnecessary calls to get_craft_result * Split logic and "visual feedback" (a bit) * Fewer calls to meta:set and meta:get * Better feedback on the current state of the furnace
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| Original file line number | Diff line number | Diff line change |
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| -- | ||
| -- Formspecs | ||
| -- | ||
|
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| local function active_formspec(fuel_percent, item_percent) | ||
| local formspec = | ||
| "size[8,8.5]".. | ||
| default.gui_bg.. | ||
| default.gui_bg_img.. | ||
| default.gui_slots.. | ||
| "list[current_name;src;2.75,0.5;1,1;]".. | ||
| "list[current_name;fuel;2.75,2.5;1,1;]".. | ||
| "image[2.75,1.5;1,1;default_furnace_fire_bg.png^[lowpart:".. | ||
| (100-fuel_percent)..":default_furnace_fire_fg.png]".. | ||
| "image[3.75,1.5;1,1;gui_furnace_arrow_bg.png^[lowpart:".. | ||
| (item_percent)..":gui_furnace_arrow_fg.png^[transformR270]".. | ||
| "list[current_name;dst;4.75,0.96;2,2;]".. | ||
| "list[current_player;main;0,4.25;8,1;]".. | ||
| "list[current_player;main;0,5.5;8,3;8]".. | ||
| default.get_hotbar_bg(0, 4.25) | ||
| return formspec | ||
| end | ||
|
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| local inactive_formspec = | ||
| "size[8,8.5]".. | ||
| default.gui_bg.. | ||
| default.gui_bg_img.. | ||
| default.gui_slots.. | ||
| "list[current_name;src;2.75,0.5;1,1;]".. | ||
| "list[current_name;fuel;2.75,2.5;1,1;]".. | ||
| "image[2.75,1.5;1,1;default_furnace_fire_bg.png]".. | ||
| "image[3.75,1.5;1,1;gui_furnace_arrow_bg.png^[transformR270]".. | ||
| "list[current_name;dst;4.75,0.96;2,2;]".. | ||
| "list[current_player;main;0,4.25;8,1;]".. | ||
| "list[current_player;main;0,5.5;8,3;8]".. | ||
| default.get_hotbar_bg(0, 4.25) | ||
|
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| -- | ||
| -- Node callback functions that are the same for active and inactive furnace | ||
| -- | ||
|
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| local function can_dig(pos, player) | ||
| local meta = minetest.get_meta(pos); | ||
| local inv = meta:get_inventory() | ||
| return inv:is_empty("fuel") and inv:is_empty("dst") and inv:is_empty("src") | ||
| end | ||
|
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| local function allow_metadata_inventory_put(pos, listname, index, stack, player) | ||
| if minetest.is_protected(pos, player:get_player_name()) then | ||
| return 0 | ||
| end | ||
| local meta = minetest.get_meta(pos) | ||
| local inv = meta:get_inventory() | ||
| if listname == "fuel" then | ||
| if minetest.get_craft_result({method="fuel", width=1, items={stack}}).time ~= 0 then | ||
| if inv:is_empty("src") then | ||
| meta:set_string("infotext", "Furnace is empty") | ||
| end | ||
| return stack:get_count() | ||
| else | ||
| return 0 | ||
| end | ||
| elseif listname == "src" then | ||
| return stack:get_count() | ||
| elseif listname == "dst" then | ||
| return 0 | ||
| end | ||
| end | ||
|
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| local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player) | ||
| local meta = minetest.get_meta(pos) | ||
| local inv = meta:get_inventory() | ||
| local stack = inv:get_stack(from_list, from_index) | ||
| return allow_metadata_inventory_put(pos, to_list, to_index, stack, player) | ||
| end | ||
|
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| local function allow_metadata_inventory_take(pos, listname, index, stack, player) | ||
| if minetest.is_protected(pos, player:get_player_name()) then | ||
| return 0 | ||
| end | ||
| return stack:get_count() | ||
| end | ||
|
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| -- | ||
| -- Node definitions | ||
| -- | ||
|
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| minetest.register_node("default:furnace", { | ||
| description = "Furnace", | ||
| tiles = { | ||
| "default_furnace_top.png", "default_furnace_bottom.png", | ||
| "default_furnace_side.png", "default_furnace_side.png", | ||
| "default_furnace_side.png", "default_furnace_front.png" | ||
| }, | ||
| paramtype2 = "facedir", | ||
| groups = {cracky=2}, | ||
| legacy_facedir_simple = true, | ||
| is_ground_content = false, | ||
| sounds = default.node_sound_stone_defaults(), | ||
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| can_dig = can_dig, | ||
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| allow_metadata_inventory_put = allow_metadata_inventory_put, | ||
| allow_metadata_inventory_move = allow_metadata_inventory_move, | ||
| allow_metadata_inventory_take = allow_metadata_inventory_take, | ||
| }) | ||
|
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| minetest.register_node("default:furnace_active", { | ||
| description = "Furnace", | ||
| tiles = { | ||
| "default_furnace_top.png", "default_furnace_bottom.png", | ||
| "default_furnace_side.png", "default_furnace_side.png", | ||
| "default_furnace_side.png", | ||
| { | ||
| image = "default_furnace_front_active.png", | ||
| backface_culling = false, | ||
| animation = { | ||
| type = "vertical_frames", | ||
| aspect_w = 16, | ||
| aspect_h = 16, | ||
| length = 1.5 | ||
| }, | ||
| } | ||
| }, | ||
| paramtype2 = "facedir", | ||
| light_source = 8, | ||
| drop = "default:furnace", | ||
| groups = {cracky=2, not_in_creative_inventory=1}, | ||
| legacy_facedir_simple = true, | ||
| is_ground_content = false, | ||
| sounds = default.node_sound_stone_defaults(), | ||
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| can_dig = can_dig, | ||
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| aallow_metadata_inventory_put = allow_metadata_inventory_put, | ||
| allow_metadata_inventory_move = allow_metadata_inventory_move, | ||
| allow_metadata_inventory_take = allow_metadata_inventory_take, | ||
| }) | ||
|
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| -- | ||
| -- ABM | ||
| -- | ||
|
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| local function swap_node(pos, name) | ||
| local node = minetest.get_node(pos) | ||
| if node.name == name then | ||
| return | ||
| end | ||
| node.name = name | ||
| minetest.swap_node(pos, node) | ||
| end | ||
|
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| minetest.register_abm({ | ||
| nodenames = {"default:furnace", "default:furnace_active"}, | ||
| interval = 1.0, | ||
| chance = 1, | ||
| action = function(pos, node, active_object_count, active_object_count_wider) | ||
| -- | ||
| -- Inizialize metadata | ||
| -- | ||
| local meta = minetest.get_meta(pos) | ||
| local fuel_time = meta:get_float("fuel_time") or 0 | ||
| local src_time = meta:get_float("src_time") or 0 | ||
| local fuel_totaltime = meta:get_float("fuel_totaltime") or 0 | ||
|
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| -- | ||
| -- Inizialize inventory | ||
| -- | ||
| local inv = meta:get_inventory() | ||
| for listname, size in pairs({ | ||
| src = 1, | ||
| fuel = 1, | ||
| dst = 4, | ||
| }) do | ||
| if inv:get_size(listname) ~= size then | ||
| inv:set_size(listname, size) | ||
| end | ||
| end | ||
| local srclist = inv:get_list("src") | ||
| local fuellist = inv:get_list("fuel") | ||
| local dstlist = inv:get_list("dst") | ||
|
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| -- | ||
| -- Cooking | ||
| -- | ||
|
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| -- Check if we have cookable content | ||
| local cooked, aftercooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist}) | ||
| local cookable = true | ||
|
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| if cooked.time == 0 then | ||
| cookable = false | ||
| end | ||
|
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| -- Check if we have enough fuel to burn | ||
| if fuel_time < fuel_totaltime then | ||
| -- The furnace is currently active and has enough fuel | ||
| fuel_time = fuel_time + 1 | ||
|
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| -- If there is a cookable item then check if it is ready yet | ||
| if cookable then | ||
| src_time = src_time + 1 | ||
| if src_time >= cooked.time then | ||
| -- Place result in dst list if possible | ||
| if inv:room_for_item("dst", cooked.item) then | ||
| inv:add_item("dst", cooked.item) | ||
| inv:set_stack("src", 1, aftercooked.items[1]) | ||
| src_time = 0 | ||
| end | ||
| end | ||
| end | ||
| else | ||
| -- Furnace ran out of fuel | ||
| if cookable then | ||
| -- We need to get new fuel | ||
| local fuel, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist}) | ||
|
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| if fuel.time == 0 then | ||
| -- No valid fuel in fuel list | ||
| fuel_totaltime = 0 | ||
| fuel_time = 0 | ||
| src_time = 0 | ||
| else | ||
| -- Take fuel from fuel list | ||
| inv:set_stack("fuel", 1, afterfuel.items[1]) | ||
|
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| fuel_totaltime = fuel.time | ||
| fuel_time = 0 | ||
|
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| end | ||
| else | ||
| -- We don't need to get new fuel since there is no cookable item | ||
| fuel_totaltime = 0 | ||
| fuel_time = 0 | ||
| src_time = 0 | ||
| end | ||
| end | ||
|
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| -- | ||
| -- Update formspec, infotext and node | ||
| -- | ||
| local formspec = inactive_formspec | ||
| local item_state = "" | ||
| local item_percent = 0 | ||
| if cookable then | ||
| item_percent = math.floor(src_time / cooked.time * 100) | ||
| item_state = item_percent .. "%" | ||
| else | ||
| if srclist[1]:is_empty() then | ||
| item_state = "Empty" | ||
| else | ||
| item_state = "Not cookable" | ||
| end | ||
| end | ||
|
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| local fuel_state = "Empty" | ||
| local active = "inactive " | ||
| if fuel_time <= fuel_totaltime and fuel_totaltime ~= 0 then | ||
| active = "active " | ||
| local fuel_percent = math.floor(fuel_time / fuel_totaltime * 100) | ||
| fuel_state = fuel_percent .. "%" | ||
| formspec = active_formspec(fuel_percent, item_percent) | ||
| swap_node(pos, "default:furnace_active") | ||
| else | ||
| if not fuellist[1]:is_empty() then | ||
| fuel_state = "0%" | ||
| end | ||
| swap_node(pos, "default:furnace") | ||
| end | ||
|
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| local infotext = "Furnace " .. active .. "(Item: " .. item_state .. "; Fuel: " .. fuel_state .. ")" | ||
|
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| -- | ||
| -- Set meta values | ||
| -- | ||
| meta:set_float("fuel_totaltime", fuel_totaltime) | ||
| meta:set_float("fuel_time", fuel_time) | ||
| meta:set_float("src_time", src_time) | ||
| meta:set_string("formspec", formspec) | ||
| meta:set_string("infotext", infotext) | ||
| end, | ||
| }) |
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