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homedecor_modpack/homedecor_common/furnaces.lua

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-- This code supplies an oven/stove. Basically it's just a copy of the default furnace with different textures.
local S = minetest.get_translator("homedecor_common")
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 make_formspec(furnacedef, percent)
local fire
if percent and (percent > 0) then
fire = ("%s^[lowpart:%d:%s"):format(
furnacedef.fire_bg,
(100-percent),
furnacedef.fire_fg
)
else
fire = "default_furnace_fire_bg.png"
end
local w = furnacedef.output_width
local h = math.ceil(furnacedef.output_slots / furnacedef.output_width)
return "size["..math.max(8, 6 + w)..",9]"..
"image[2.75,1.5;1,1;"..fire.."]"..
"list[current_name;fuel;2.75,2.5;1,1;]"..
"list[current_name;src;2.75,0.5;1,1;]"..
"list[current_name;dst;4.75,0.96;"..w..","..h..";]"..
"list[current_player;main;0,4.25;8,1;]"..
"list[current_player;main;0,5.5;8,3;8]"..
"listring[current_name;dst]"..
"listring[current_player;main]"..
"listring[current_name;src]"..
"listring[current_player;main]"
end
--[[
furnacedef = {
description = "Oven",
tiles = { ... },
tiles_active = { ... },
^ +Y -Y +X -X +Z -Z
tile_format = "oven_%s%s.png",
^ First '%s' replaced by one of "top", "bottom", "side", "front".
^ Second '%s' replaced by "" for inactive, and "_active" for active "front"
^ "side" is used for left, right and back.
^ tiles_active for front is set
output_slots = 4,
output_width = 2,
cook_speed = 1,
^ Higher values cook stuff faster.
extra_nodedef_fields = { ... },
^ Stuff here is copied verbatim into both active and inactive nodedefs
^ Useful for overriding drawtype, etc.
}
]]
local function make_tiles(tiles, fmt, active)
if not fmt then return tiles end
tiles = { }
for i,side in ipairs{"top", "bottom", "side", "side", "side", "front"} do
if active and (i == 6) then
tiles[i] = fmt:format(side, "_active")
else
tiles[i] = fmt:format(side, "")
end
end
return tiles
end
local furnace_can_dig = function(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 homedecor.register_furnace(name, furnacedef)
furnacedef.fire_fg = furnacedef.fire_fg or "default_furnace_fire_fg.png"
furnacedef.fire_bg = furnacedef.fire_bg or "default_furnace_fire_bg.png"
furnacedef.output_slots = furnacedef.output_slots or 4
furnacedef.output_width = furnacedef.output_width or 2
furnacedef.cook_speed = furnacedef.cook_speed or 1
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local description = furnacedef.description or S("Furnace")
local furnace_allow_put = function(pos, listname, index, stack, player)
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
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meta:set_string("infotext", S("@1 (empty)", description))
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
local furnace_allow_move = function(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)
if to_list == "fuel" then
if minetest.get_craft_result({method="fuel",width=1,items={stack}}).time ~= 0 then
if inv:is_empty("src") then
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meta:set_string("infotext", S("@1 (empty)", description))
end
return count
else
return 0
end
elseif to_list == "src" then
return count
elseif to_list == "dst" then
return 0
end
end
local n_active = name.."_active"
local nname, name_active = "homedecor:"..name, "homedecor:"..n_active
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 inv = meta:get_inventory()
local srclist, fuellist
local dst_full = false
local timer_elapsed = meta:get_int("timer_elapsed") or 0
meta:set_int("timer_elapsed", timer_elapsed + 1)
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 = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
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
-- prevent blocking of fuel inventory (for automatization mods)
local is_fuel = minetest.get_craft_result({method = "fuel", width = 1, items = {afterfuel.items[1]:to_string()}})
if is_fuel.time == 0 then
table.insert(fuel.replacements, afterfuel.items[1])
inv:set_stack("fuel", 1, "")
else
-- Take fuel from fuel list
inv:set_stack("fuel", 1, afterfuel.items[1])
end
-- 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 infotext
local percent = math.floor(fuel_time / fuel_totaltime * 100)
local result = false
local node = minetest.get_node(pos)
local locked = node.name:find("_locked$") and "_locked" or ""
local desc = minetest.registered_nodes[nname..locked].description
if fuel_totaltime ~= 0 then
formspec = make_formspec(furnacedef, percent)
swap_node(pos, name_active .. locked)
-- make sure timer restarts automatically
result = true
else
formspec = make_formspec(furnacedef, 0)
infotext = S("@1 (out of fuel)", desc)
swap_node(pos, nname .. locked)
-- stop timer on the inactive furnace
minetest.get_node_timer(pos):stop()
meta:set_int("timer_elapsed", 0)
end
if not cookable and fuellist and not fuellist[1]:is_empty() then
infotext = S("@1 (empty)", desc)
end
if dst_full then
infotext = S("@1 (output bins are full)", desc)
result = false
formspec = make_formspec(furnacedef, 0)
swap_node(pos, nname .. locked)
-- stop timer on the inactive furnace
minetest.get_node_timer(pos):stop()
meta:set_int("timer_elapsed", 0)
fuel_totaltime, fuel_time, src_time = 0, 0, 0
end
if infotext == nil then
infotext = S("@1 (active: @2%)", desc, percent)
end
--
-- 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
local furnace_construct = function(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_size("fuel", 1)
inv:set_size("src", 1)
inv:set_size("dst", furnacedef.output_slots)
furnace_node_timer(pos, 0)
end
local def = {
description = description,
tiles = make_tiles(furnacedef.tiles, furnacedef.tile_format, false),
groups = furnacedef.groups or {cracky=2},
sounds = furnacedef.sounds,
_sound_def = {
key = "node_sound_wood_defaults",
},
on_construct = furnace_construct,
can_dig = furnace_can_dig,
allow_metadata_inventory_put = furnace_allow_put,
allow_metadata_inventory_move = furnace_allow_move,
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inventory = { lockable = true },
is_furnace = true,
on_timer = furnace_node_timer,
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_metadata_inventory_take = function(pos)
-- check whether the furnace is empty or not.
minetest.get_node_timer(pos):start(1.0)
end
}
local def_active = {
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description = S("@1 (active)", description),
tiles = make_tiles(furnacedef.tiles_active, furnacedef.tile_format, true),
light_source = 8,
drop = "homedecor:" .. name,
groups = furnacedef.groups or {cracky=2, not_in_creative_inventory=1},
sounds = furnacedef.sounds,
_sound_def = {
key = "node_sound_stone_defaults",
},
on_construct = furnace_construct,
can_dig = furnace_can_dig,
allow_metadata_inventory_put = furnace_allow_put,
allow_metadata_inventory_move = furnace_allow_move,
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inventory = { lockable = true },
is_furnace = true,
on_timer = furnace_node_timer,
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_metadata_inventory_take = function(pos)
-- check whether the furnace is empty or not.
minetest.get_node_timer(pos):start(1.0)
end
}
if furnacedef.extra_nodedef_fields then
for k, v in pairs(furnacedef.extra_nodedef_fields) do
def[k] = v
def_active[k] = v
end
end
homedecor.register(name, def)
homedecor.register(n_active, def_active)
end