forked from mtcontrib/pipeworks
use nodetimers instead of abm's to run the autocrafters; only run autocrafters when needed
autocrafters will stop() when theres no valid recipe, no dst space or enough src material it will resume again on inventory or recipe changes
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Tim
parent
2ccce52976
commit
44bafb844a
155
autocrafter.lua
155
autocrafter.lua
@ -2,48 +2,106 @@ local autocrafterCache = {} -- caches some recipe data to avoid to call the slo
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local function count_index(invlist)
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local index = {}
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for _, stack in ipairs(invlist) do
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for _, stack in pairs(invlist) do
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if not stack:is_empty() then
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local stack_name = stack:get_name()
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index[stack_name] = (index[stack_name] or 0) + stack:get_count()
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end
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end
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return index
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end
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local function get_cached_craft(pos)
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local hash = minetest.hash_node_position(pos)
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return hash, autocrafterCache[hash]
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local function get_craft(pos, inventory, hash)
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local hash = hash or minetest.hash_node_position(pos)
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local craft = autocrafterCache[hash]
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if not craft then
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if inventory:is_empty("recipe") then return nil end
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local recipe = inventory:get_list("recipe")
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local output, decremented_input = minetest.get_craft_result({method = "normal", width = 3, items = recipe})
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craft = {recipe = recipe, consumption=count_index(recipe), output = output, decremented_input = decremented_input}
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autocrafterCache[hash] = craft
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end
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-- only return crafts that have an actual result
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if not craft.output.item:is_empty() then
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return craft
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end
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end
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-- note, that this function assumes allready being updated to virtual items
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-- and doesn't handle recipes with stacksizes > 1
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local function on_recipe_change(pos, inventory)
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if not inventory then return end
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local recipe = inventory:get_list("recipe")
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if not recipe then return end
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-- if we emptied the grid, there's no point in keeping it running or cached
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if inventory:is_empty("recipe") then
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minetest.get_node_timer(pos):stop()
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autocrafterCache[minetest.hash_node_position(pos)] = nil
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return
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end
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local recipe_changed = false
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local hash, craft = get_cached_craft(pos)
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local recipe = inventory:get_list("recipe")
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if not craft then
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recipe_changed = true
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else
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local hash = minetest.hash_node_position(pos)
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local craft = autocrafterCache[hash]
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if craft then
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-- check if it changed
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local cached_recipe = craft.recipe
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for i = 1, 9 do
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if recipe[i]:get_name() ~= cached_recipe[i]:get_name() then
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recipe_changed = true
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autocrafterCache[hash] = nil -- invalidate recipe
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craft = nil
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break
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end
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end
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end
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if recipe_changed then
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local output, decremented_input = minetest.get_craft_result({method = "normal", width = 3, items = recipe})
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craft = {recipe = recipe, consumption=count_index(recipe), output = output, decremented_input = decremented_input}
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autocrafterCache[hash] = craft
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local timer = minetest.get_node_timer(pos)
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if not timer:is_started() then
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timer:start(1)
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end
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end
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return craft
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local function on_inventory_change(pos, inventory)
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local timer = minetest.get_node_timer(pos)
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if not timer:is_started() then
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timer:start(1)
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end
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end
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local function autocraft(inventory, craft)
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if not craft then return false end
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local output_item = craft.output.item
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-- check if we have enough room in dst
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if not inventory:room_for_item("dst", output_item) then return false end
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local consumption = craft.consumption
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local inv_index = count_index(inventory:get_list("src"))
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-- check if we have enough material available
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for itemname, number in pairs(consumption) do
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if (not inv_index[itemname]) or inv_index[itemname] < number then return false end
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end
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-- consume material
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for itemname, number in pairs(consumption) 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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-- craft the result into the dst inventory and add any "replacements" as well
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inventory:add_item("dst", output_item)
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for i = 1, 9 do
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inventory:add_item("dst", craft.decremented_input.items[i])
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end
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return true
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end
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-- returns false to stop the timer, true to continue running
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-- is started only from start_autocrafter(pos) after sanity checks and cached recipe
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local function run_autocrafter(pos, elapsed)
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local meta = minetest.get_meta(pos)
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local inventory = meta:get_inventory()
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local craft = get_craft(pos, inventory)
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return autocraft(inventory, craft)
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end
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local function update_autocrafter(pos)
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@ -61,51 +119,6 @@ local function update_autocrafter(pos)
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end
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end
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local function autocraft(inventory, craft)
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local output_item = craft.output.item
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-- check if we have enough room in dst
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if not inventory:room_for_item("dst", output_item) then return false end
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local consumption = craft.consumption
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local inv_index = count_index(inventory:get_list("src"))
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-- check if we have enough materials available
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for itemname, number in pairs(consumption) do
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if (not inv_index[itemname]) or inv_index[itemname] < number then return false end
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end
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-- consume materials
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for itemname, number in pairs(consumption) 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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-- craft the result into the dst inventory and add any "replacements" as well
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inventory:add_item("dst", output_item)
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for i = 1, 9 do
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inventory:add_item("dst", craft.decremented_input.items[i])
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end
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return true
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end
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local function run_autocrafter(inventory, pos)
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if not inventory then return end
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local recipe = inventory:get_list("recipe")
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if not recipe then return end
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local _, craft = get_cached_craft(pos)
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if craft == nil then
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update_autocrafter(pos) -- only does some unnecessary calls for "old" autocrafters
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craft = on_recipe_change(pos, inventory)
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end
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-- skip crafts that have no output
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local output_item = craft.output.item
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if output_item:is_empty() then return end
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autocraft(inventory, craft)
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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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@ -114,7 +127,9 @@ minetest.register_node("pipeworks:autocrafter", {
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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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local added = inv:add_item("src", stack)
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on_inventory_change(pos, inv)
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return added
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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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@ -162,6 +177,7 @@ minetest.register_node("pipeworks:autocrafter", {
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on_recipe_change(pos, inv)
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return 0
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else
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on_inventory_change(pos, inv)
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return stack:get_count()
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end
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end,
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@ -173,6 +189,7 @@ minetest.register_node("pipeworks:autocrafter", {
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on_recipe_change(pos, inv)
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return 0
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else
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on_inventory_change(pos, inv)
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return stack:get_count()
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end
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end,
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@ -192,15 +209,9 @@ minetest.register_node("pipeworks:autocrafter", {
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on_recipe_change(pos, inv)
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return 0
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else
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on_inventory_change(pos, inv)
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return stack:get_count()
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end
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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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run_autocrafter(inv, pos)
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end
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on_timer = run_autocrafter
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})
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