forked from mtcontrib/maidroid
Add _aux/api.lua for generalizing egg writer and core writer
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tacigar
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211
maidroid_tool/_aux/api.lua
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211
maidroid_tool/_aux/api.lua
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------------------------------------------------------------
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-- Copyright (c) 2016 tacigar. All rights reserved.
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-- https://github.com/tacigar/maidroid
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------------------------------------------------------------
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maidroid_tool.shared = {}
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-- maidroid_tool.shared.generate_writer is a shared
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-- function called for registering egg writer and core writer.
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function maidroid_tool.shared.generate_writer(options)
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local nodename = options.node_name
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local formspecs = options.formspecs
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local duration = options.duration
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local on_activate = options.on_activate
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local on_deactivate = options.on_deactivate
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local empty_itemname = options.empty_itemname
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local dye_item_map = options.dye_item_map
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local is_mainitem = options.is_mainitem
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local on_metadata_inventory_put_to_main = options.on_metadata_inventory_put_to_main
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local on_metadata_inventory_take_from_main = options.on_metadata_inventory_take_from_main
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-- can_dig is a common callback.
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local function can_dig(pos, player)
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local meta = minetest.get_meta(pos)
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local inventory = meta:get_inventory()
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return (
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inventory:is_empty("main") and
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inventory:is_empty("fuel") and
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inventory:is_empty("dye")
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)
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end
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-- swap_node is a helper function that swap two nodes.
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local function swap_node(pos, name)
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local node = minetest.get_node(pos)
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node.name = name
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minetest.swap_node(pos, node)
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end
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-- on_timer is a common callback.
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local function on_timer(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 main_list = inventory:get_list("main")
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local fuel_list = inventory:get_list("fuel")
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local dye_list = inventory:get_list("dye")
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local time = meta:get_float("time")
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local output = meta:get_string("output")
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-- if time is positive, this node is active.
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if time >= 0 then
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if time <= max_time then
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meta:set_float("time", time + 1)
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meta:set_string("formspec", formspec.active(time))
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else
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meta:set_float("time", -1)
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meta:set_string("output", "")
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meta:set_string("formspec", formspec.inactive)
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inventory:set_stack("main", 1, ItemStack(output))
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swap_node(pos, nodename)
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if on_deactivate ~= nil then -- call on_deactivate callback.
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on_deactivate(pos)
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end
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end
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else
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local main_name = main_list[1]:get_name()
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if main_name == empty_itemname and (not fuel_list[1]:is_empty()) and (not dye_list[1]:is_empty()) then
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meta:set_string("time", 0)
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meta:set_string("output", dye_item_map[dye_list[1]:get_name()])
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local fuel_stack = fuel_list[1]
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fuel_stack:take_item()
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inventory:set_stack("fuel", 1, fuel_stack)
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local dye_stack = dye_list[1]
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dye_stack:take_item()
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inventory:set_stack("dye", 1, dye_stack)
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swap_node(pos, nodename .. "_active")
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if on_activate ~= nil then -- call on_activate callback.
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on_activate(pos)
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end
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end
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end
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return true -- on_timer should return boolean value.
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end
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-- allow_metadata_inventory_put is a common callback.
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local function allow_metadata_inventory_put(pos, listname, index, stack, player)
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local meta = minetest.get_meta(pos)
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local inventory = meta:get_inventory()
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local itemname = stack:get_name()
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if (listname == "fuel" and itemname == "default:coal_lump") then
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return stack:get_count()
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elseif listname == "dye" and dye_core_map[itemname] ~= nil then
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return stack:get_count()
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elseif listname == "main" and is_mainitem(itemname) then
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return stack:get_count()
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end
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return 0
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end
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-- allow_metadata_inventory_move is a common callback for the core writer.
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local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
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local meta = minetest.get_meta(pos)
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local inventory = meta:get_inventory()
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local stack = inventory:get_stack(from_list, from_index)
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return allow_metadata_inventory_put(pos, listname, to_index, stack, player)
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end
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do -- register a definition of an inactive core writer.
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local function on_construct(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("formspec", formspec_inactive)
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meta:set_string("output", "")
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meta:set_string("time", -1)
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local inventory = meta:get_inventory()
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inventory:set_size("main", 1)
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inventory:set_size("fuel", 1)
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inventory:set_size("dye", 1)
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end
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local function on_metadata_inventory_put(pos, listname, index, stack, player)
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local timer = minetest.get_node_timer(pos)
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timer:start(0.25)
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local meta = minetest.get_meta(pos)
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if listname == "main" then
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if on_metadata_inventory_put_to_main ~= nil then
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on_metadata_inventory_put_to_main(pos) -- call on_metadata_inventory_put_to_main callback.
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end
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end
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end
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local function on_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
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local meta = minetest.get_meta(pos)
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local inventory = meta:get_inventory()
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local stack = inventory:get_stack(from_list, from_index)
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on_metadata_inventory_put(pos, listname, to_index, stack, player)
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end
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local function on_metadata_inventory_take(pos, listname, index, stack, player)
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if listname == "main" then
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if on_metadata_inventory_take_from_main ~= nil then
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on_metadata_inventory_take_from_main(pos) -- call on_metadata_inventory_take_from_main callback.
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end
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end
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end
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local function allow_metadata_inventory_take(pos, listname, index, stack, player)
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return stack:get_count() -- maybe add more.
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end
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minetest.register_node("maidroid_tool:core_writer", {
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description = "maidroid tool : core writer",
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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groups = {cracky = 2},
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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node_box = options.node_box,
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selection_box = options.selection_box,
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tiles = inactive_tiles,
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can_dig = can_dig,
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on_timer = on_timer,
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on_construct = on_construct,
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on_metadata_inventory_put = on_metadata_inventory_put,
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on_metadata_inventory_move = on_metadata_inventory_move,
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on_metadata_inventory_take = on_metadata_inventory_take,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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})
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end -- end register inactive node.
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do -- register a definition of an active core writer.
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local function allow_metadata_inventory_take(pos, listname, index, stack, player)
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if listname == "core" then
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return 0
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end
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return stack:get_count()
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end
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minetest.register_node("maidroid_tool:core_writer_active", {
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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groups = {cracky = 2},
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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node_box = options.node_box,
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selection_box = options.selection_box,
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tiles = tiles,
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can_dig = can_dig,
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on_timer = on_timer,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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})
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end -- end register active node.
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end
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