133 lines
4.3 KiB
Lua
133 lines
4.3 KiB
Lua
local autocrafterCache = {} -- caches some recipe data to avoid to call the slow function minetest.get_craft_result() every second
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local function make_inventory_cache(invlist)
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local l = {}
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for _, stack in ipairs(invlist) do
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l[stack:get_name()] = (l[stack:get_name()] or 0) + stack:get_count()
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end
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return l
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end
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function autocraft(inventory, pos)
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local recipe = inventory:get_list("recipe")
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local recipe_last
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local result
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local new
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if autocrafterCache[minetest.hash_node_position(pos)] == nil then
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recipe_last = {}
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for i = 1, 9 do
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recipe_last[i] = recipe[i]
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recipe[i] = ItemStack({name = recipe[i]:get_name(), count = 1})
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end
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result, new = minetest.get_craft_result({method = "normal", width = 3, items = recipe})
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autocrafterCache[minetest.hash_node_position(pos)] = {["recipe"] = recipe, ["result"] = result, ["new"] = new}
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else
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local autocrafterCacheEntry = autocrafterCache[minetest.hash_node_position(pos)]
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recipe_last = autocrafterCacheEntry["recipe"]
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result = autocrafterCacheEntry["result"]
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new = autocrafterCacheEntry["new"]
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local recipeUnchanged = true
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for i = 1, 9 do
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if recipe[i]:get_name() ~= recipe_last[i]:get_name() then
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recipeUnchanged = False
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break
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end
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if recipe[i]:get_count() ~= recipe_last[i]:get_count() then
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recipeUnchanged = False
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break
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end
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end
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if recipeUnchanged then
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else
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for i = 1, 9 do
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recipe_last[i] = recipe[i]
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recipe[i] = ItemStack({name = recipe[i]:get_name(), count = 1})
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end
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result, new = minetest.get_craft_result({method = "normal", width = 3, items = recipe})
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autocrafterCache[minetest.hash_node_position(pos)] = {["recipe"] = recipe, ["result"] = result, ["new"] = new}
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end
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end
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local input = inventory:get_list("input")
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if result.item:is_empty() then return end
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result = result.item
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if not inventory:room_for_item("dst", result) then return end
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local to_use = {}
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for _, item in ipairs(recipe) do
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if item~= nil and not item:is_empty() then
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if to_use[item:get_name()] == nil then
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to_use[item:get_name()] = 1
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else
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to_use[item:get_name()] = to_use[item:get_name()]+1
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end
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end
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end
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local invcache = make_inventory_cache(inventory:get_list("src"))
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for itemname, number in pairs(to_use) do
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if (not invcache[itemname]) or invcache[itemname] < number then return end
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end
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for itemname, number in pairs(to_use) do
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for i = 1, number do -- We have to do that since remove_item does not work if count > stack_max
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inventory:remove_item("src", ItemStack(itemname))
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end
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end
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inventory:add_item("dst", result)
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for i = 1, 9 do
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inventory:add_item("dst", new.items[i])
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end
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end
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minetest.register_node("pipeworks:autocrafter", {
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description = "Autocrafter",
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drawtype = "normal",
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tiles = {"pipeworks_autocrafter.png"},
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groups = {snappy = 3, tubedevice = 1, tubedevice_receiver = 1},
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tube = {insert_object = function(pos, node, stack, direction)
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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:add_item("src", stack)
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end,
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can_insert = function(pos, node, stack, direction)
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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:room_for_item("src", stack)
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end,
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input_inventory = "dst",
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connect_sides = {left = 1, right = 1, front = 1, back = 1, top = 1, bottom = 1}},
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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",
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"size[8,11]"..
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"list[current_name;recipe;0,0;3,3;]"..
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"list[current_name;src;0,3.5;8,3;]"..
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"list[current_name;dst;4,0;4,3;]"..
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"list[current_player;main;0,7;8,4;]")
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meta:set_string("infotext", "Autocrafter")
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local inv = meta:get_inventory()
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inv:set_size("src", 3*8)
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inv:set_size("recipe", 3*3)
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inv:set_size("dst", 4*3)
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end,
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can_dig = function(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("src") and inv:is_empty("recipe") and inv:is_empty("dst"))
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end,
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after_place_node = function(pos)
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pipeworks.scan_for_tube_objects(pos)
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end,
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after_dig_node = function(pos)
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pipeworks.scan_for_tube_objects(pos)
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autocrafterCache[minetest.hash_node_position(pos)] = nil
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end
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})
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minetest.register_abm({nodenames = {"pipeworks:autocrafter"}, interval = 1, chance = 1,
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action = function(pos, node)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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autocraft(inv, pos)
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end
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})
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