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- -- default/furnace.lua
- -- support for MT game translation.
- local S = default.get_translator
- --
- -- Formspecs
- --
- function default.get_furnace_active_formspec(fuel_percent, item_percent)
- return 'size[8,8.5]'..
- 'list[context;src;2.75,0.5;1,1;]'..
- 'list[context;fuel;2.75,2.5;1,1;]'..
- 'image[2.75,1.5;1,1;default_furnace_fire_bg.png^[lowpart:'..
- (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[context;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]'..
- 'listring[context;dst]'..
- 'listring[current_player;main]'..
- 'listring[context;src]'..
- 'listring[current_player;main]'..
- 'listring[context;fuel]'..
- 'listring[current_player;main]'..
- default.get_hotbar_bg(0, 4.25)
- end
- function default.get_furnace_inactive_formspec()
- return 'size[8,8.5]'..
- 'list[context;src;2.75,0.5;1,1;]'..
- 'list[context;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[context;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]'..
- 'listring[context;dst]'..
- 'listring[current_player;main]'..
- 'listring[context;src]'..
- 'listring[current_player;main]'..
- 'listring[context;fuel]'..
- 'listring[current_player;main]'..
- default.get_hotbar_bg(0, 4.25)
- end
- --
- -- Node callback functions that are the same for active and inactive furnace
- --
- 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
- function default.is_hot_node(name)
- if name=='default:lava_source' or name=='hopper:hopper' then
- return true
- else
- return false
- end
- end
- local function param2_to_front(param2)
- if param2==0 then
- return {x=0,y=0,z=-1}
- elseif param2==1 then
- return {x=-1,y=0,z=0}
- elseif param2==2 then
- return {x=0,y=0,z=1}
- elseif param2==3 then
- return {x=1,y=0,z=0}
- end
- end
- 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', S('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
- function default.is_super_furnace(pos)--function to check if a furnace should smelt extra quickly
- local node = minetest.get_node(pos)
- if node.name~='default:furnace' and node.name~='default:furnace_active' then --not even a furnace
- return false
- end
- if node.param2 > 3 then --seriously? just have it face a reasonable direction people.
- return false
- end
- -- ok, so we check from pos + {x=1,y=1,z=1} to pos + {x=-1,y=-2,z=-1} for heat_shield
- -- except pos+{x=0,y=-1,z=0} has to be hot_node (lava, fire, etc.)
- -- and pos+param2_to_front(node.param2) has to be air
- local underpos = vector.add(pos,{x=0,y=-1,z=0})
- local frontpos = vector.add(pos,param2_to_front(node.param2))
- if not default.is_hot_node(minetest.get_node(underpos).name) then-- nothing to keep us extra hot.
- return false
- end
- if not minetest.get_node(frontpos).name=='air' then --we need somewhere to vent
- return false
- end
- local pos1 = {x=pos.x+1, y=pos.y, z=pos.z+1}
- local pos0 = {x=pos.x-1, y=pos.y-2, z=pos.z-1}
- local can_replace = minetest.find_nodes_in_area(pos0, pos1, 'default:lava_source')
- local replace_num = #can_replace
- if replace_num < 12 then
- return false
- end
- return true --yay! this furnace has succeded and can smelt extra quickly!
- end
- 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
- 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
- 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
- local function custom_cooking_check(itemlist,pos)
- local meta = minetest.get_meta(pos)
- local super_furnace = meta:get_string('super')
- local cooked,aftercooked
- cooked,aftercooked = minetest.get_craft_result({method = 'cooking', width = 1, items = itemlist})
- if super_furnace == 'yes' then
- cooked.time = cooked.time/2 --or whatever speed increase u think is reasonable.
- end
- return cooked,aftercooked
- end
- local function furnace_node_timer(pos, elapsed)
- -- Initialize 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
- local super_furnace = meta:get_string('super')
- if super_furnace == 'maybe' then
- if default.is_super_furnace(pos) then
- meta:set_string('super', 'yes')
- else
- meta:set_string('super', 'no')
- end
- end
- local inv = meta:get_inventory()
- local srclist, fuellist
- local dst_full = false
- local cookable, cooked
- local fuel
- local update = true
- while elapsed > 0 and update do
- update = false
- srclist = inv:get_list('src')
- fuellist = inv:get_list('fuel')
- --
- -- Cooking
- --
- -- Check if we have cookable content
- local aftercooked
- cooked, aftercooked = custom_cooking_check(srclist,pos)
- cookable = cooked.time ~= 0
- local el = math.min(elapsed, fuel_totaltime - fuel_time)
- if cookable then -- fuel lasts long enough, adjust el to cooking duration
- el = math.min(el, cooked.time - src_time)
- end
- -- 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 + el
- -- If there is a cookable item then check if it is ready yet
- if cookable then
- src_time = src_time + el
- 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 = src_time - cooked.time
- update = true
- else
- dst_full = true
- end
- else
- -- Item could not be cooked: probably missing fuel
- update = true
- end
- end
- else
- -- Furnace ran out of fuel
- if cookable then
- -- We need to get new fuel
- local afterfuel
- fuel, afterfuel = minetest.get_craft_result({method = 'fuel', width = 1, items = fuellist})
- if fuel.time == 0 then
- -- No valid fuel in fuel list
- fuel_totaltime = 0
- src_time = 0
- else
- -- Take fuel from fuel list
- inv:set_stack('fuel', 1, afterfuel.items[1])
- -- Put replacements in dst list or drop them on the furnace.
- local replacements = fuel.replacements
- if replacements[1] then
- local leftover = inv:add_item('dst', replacements[1])
- if not leftover:is_empty() then
- local above = vector.new(pos.x, pos.y + 1, pos.z)
- local drop_pos = minetest.find_node_near(above, 1, {'air'}) or above
- minetest.item_drop(replacements[1], nil, drop_pos)
- end
- end
- update = true
- fuel_totaltime = fuel.time + (fuel_totaltime - fuel_time)
- end
- else
- -- We don't need to get new fuel since there is no cookable item
- fuel_totaltime = 0
- src_time = 0
- end
- fuel_time = 0
- end
- elapsed = elapsed - el
- end
- if fuel and fuel_totaltime > fuel.time then
- fuel_totaltime = fuel.time
- end
- if srclist and srclist[1]:is_empty() then
- src_time = 0
- end
- --
- -- Update formspec, infotext and node
- --
- local formspec
- local item_state
- local item_percent = 0
- if cookable then
- item_percent = math.floor(src_time / cooked.time * 100)
- if dst_full then
- item_state = S('100% (output full)')
- else
- item_state = S('@1%', item_percent)
- end
- else
- if srclist and not srclist[1]:is_empty() then
- item_state = S('Not cookable')
- else
- item_state = S('Empty')
- end
- end
- local fuel_state = S('Empty')
- local active = false
- local result = false
- if fuel_totaltime ~= 0 then
- active = true
- local fuel_percent = 100 - math.floor(fuel_time / fuel_totaltime * 100)
- fuel_state = S('@1%', fuel_percent)
- formspec = default.get_furnace_active_formspec(fuel_percent, item_percent)
- swap_node(pos, 'default:furnace_active')
- -- make sure timer restarts automatically
- result = true
- else
- if fuellist and not fuellist[1]:is_empty() then
- fuel_state = S('@1%', 0)
- end
- formspec = default.get_furnace_inactive_formspec()
- swap_node(pos, 'default:furnace')
- -- stop timer on the inactive furnace
- minetest.get_node_timer(pos):stop()
- meta:set_string('super', 'maybe')
- end
- local infotext
- if active then
- infotext = S('Furnace active')
- else
- infotext = S('Furnace inactive')
- end
- infotext = infotext .. '\n' .. S('(Item: @1; Fuel: @2)', item_state, fuel_state)
- --
- -- 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)
- return result
- end
- --added by idiot12 from here
- --
- -- Node definitions
- --
- minetest.register_node('default:furnace', {
- description = S('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(),
- can_dig = can_dig,
- on_timer = furnace_node_timer,
- on_construct = function(pos)
- local meta = minetest.get_meta(pos)
- meta:set_string('super', 'maybe')
- local inv = meta:get_inventory()
- inv:set_size('src', 1)
- inv:set_size('fuel', 1)
- inv:set_size('dst', 4)
- furnace_node_timer(pos, 0)
- end,
- on_metadata_inventory_move = function(pos)
- minetest.get_node_timer(pos):start(1.0)
- end,
- on_metadata_inventory_put = function(pos)
- -- start timer function, it will sort out whether furnace can burn or not.
- minetest.get_node_timer(pos):start(1.0)
- end,
- on_blast = function(pos)
- local drops = {}
- default.get_inventory_drops(pos, 'src', drops)
- default.get_inventory_drops(pos, 'fuel', drops)
- default.get_inventory_drops(pos, 'dst', drops)
- drops[#drops+1] = 'default:furnace'
- minetest.remove_node(pos)
- return drops
- end,
- allow_metadata_inventory_put = allow_metadata_inventory_put,
- allow_metadata_inventory_move = allow_metadata_inventory_move,
- allow_metadata_inventory_take = allow_metadata_inventory_take,
- })
- minetest.register_node('default:furnace_active', {
- description = S('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(),
- on_timer = furnace_node_timer,
- can_dig = can_dig,
- allow_metadata_inventory_put = allow_metadata_inventory_put,
- allow_metadata_inventory_move = allow_metadata_inventory_move,
- allow_metadata_inventory_take = allow_metadata_inventory_take,
- })
- minetest.register_craft({
- output = 'default:furnace',
- recipe = {
- {'group:stone', 'group:stone', 'group:stone'},
- {'group:stone', '', 'group:stone'},
- {'group:stone', 'group:stone', 'group:stone'},
- }
- })
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