mirror of
https://github.com/joe7575/techpack.git
synced 2024-11-26 09:03:46 +01:00
484 lines
14 KiB
Lua
484 lines
14 KiB
Lua
--[[
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Tube Library
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============
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Copyright (C) 2017 Joachim Stolberg
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LGPLv2.1+
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See LICENSE.txt for more information
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distributor.lua:
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A more complex node acting as server and client.
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This node claims a position number and registers its message and items interface.
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The Distributor supports the following messages:
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- topic = "on", payload = nil
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- topic = "off" , payload = nil
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- topic = "state", payload = nil,
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response is "running", "stopped", "standby", or "not supported"
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]]--
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local NUM_FILTER_ELEM = 6
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local NUM_FILTER_SLOTS = 4
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local TICKS_TO_SLEEP = 5
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local CYCLE_TIME = 2
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local STOP_STATE = 0
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local STANDBY_STATE = -1
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-- Return a key/value table with all items and the corresponding stack numbers
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local function invlist_content_as_kvlist(list)
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local res = {}
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for idx,items in ipairs(list) do
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local name = items:get_name()
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if name ~= "" then
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res[name] = idx
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end
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end
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return res
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end
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-- Return the total number of list entries
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local function invlist_num_entries(list)
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local res = 0
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for _,items in ipairs(list) do
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local name = items:get_name()
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if name ~= "" then
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res = res + items:get_count()
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end
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end
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return res
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end
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-- Return a flat table with all items
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local function invlist_entries_as_list(list)
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local res = {}
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for _,items in ipairs(list) do
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local name = items:get_name()
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local count = items:get_count()
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if name ~= "" then
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for i = 1,count do
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res[#res+1] = name
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end
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end
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end
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return res
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end
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local function AddToTbl(kvTbl, new_items)
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for _, l in ipairs(new_items) do
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kvTbl[l] = true
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end
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return kvTbl
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end
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local function distributor_formspec(state, filter)
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return "size[10,8.5]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"list[context;src;0,0;2,4;]"..
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"image[2,1.5;1,1;tubelib_gui_arrow.png]"..
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"image_button[2,3;1,1;".. tubelib.state_button(state) ..";button;]"..
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"checkbox[3,0;filter1;On;"..dump(filter[1]).."]"..
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"checkbox[3,1;filter2;On;"..dump(filter[2]).."]"..
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"checkbox[3,2;filter3;On;"..dump(filter[3]).."]"..
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"checkbox[3,3;filter4;On;"..dump(filter[4]).."]"..
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"image[3.6,0;0.3,1;tubelib_red.png]"..
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"image[3.6,1;0.3,1;tubelib_green.png]"..
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"image[3.6,2;0.3,1;tubelib_blue.png]"..
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"image[3.6,3;0.3,1;tubelib_yellow.png]"..
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"list[context;red;4,0;6,1;]"..
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"list[context;green;4,1;6,1;]"..
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"list[context;blue;4,2;6,1;]"..
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"list[context;yellow;4,3;6,1;]"..
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"list[current_player;main;1,4.5;8,4;]"..
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"listring[context;src]"..
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"listring[current_player;main]"
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end
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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 inv = meta:get_inventory()
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local list = inv:get_list(listname)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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if listname == "src" then
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return stack:get_count()
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elseif invlist_num_entries(list) < NUM_FILTER_ELEM then
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return 1
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end
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return 0
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end
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local function allow_metadata_inventory_take(pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) 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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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 inv = meta:get_inventory()
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local stack = inv:get_stack(from_list, from_index)
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return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
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end
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local SlotColors = {"red", "green", "blue", "yellow"}
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local Num2Ascii = {"B", "L", "F", "R"} -- color to side translation
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local FilterCache = {} -- local cache for filter settings
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local function filter_settings(pos)
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local hash = minetest.hash_node_position(pos)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local filter = minetest.deserialize(meta:get_string("filter")) or {false,false,false,false}
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local kvFilterItemNames = {} -- {<item:name> = true,...}
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local kvSide2ItemNames = {} -- {"F" = {<item:name>,...},...}
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-- collect all filter settings
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for idx,slot in ipairs(SlotColors) do
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local side = Num2Ascii[idx]
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if filter[idx] == true then
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local list = inv:get_list(slot)
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local filter = invlist_entries_as_list(list)
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AddToTbl(kvFilterItemNames, filter)
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kvSide2ItemNames[side] = filter
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end
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end
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FilterCache[hash] = {
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kvFilterItemNames = kvFilterItemNames,
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kvSide2ItemNames = kvSide2ItemNames
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}
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end
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local function start_the_machine(pos)
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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local number = meta:get_string("number")
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meta:set_int("running", TICKS_TO_SLEEP)
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node.name = "tubelib:distributor_active"
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minetest.swap_node(pos, node)
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meta:set_string("infotext", "Tubelib Distributor "..number..": running")
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local filter = minetest.deserialize(meta:get_string("filter"))
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meta:set_string("formspec", distributor_formspec(tubelib.RUNNING, filter))
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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return false
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end
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local function stop_the_machine(pos)
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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local number = meta:get_string("number")
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meta:set_int("running", STOP_STATE)
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node.name = "tubelib:distributor"
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minetest.swap_node(pos, node)
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meta:set_string("infotext", "Tubelib Distributor "..number..": stopped")
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local filter = minetest.deserialize(meta:get_string("filter"))
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meta:set_string("formspec", distributor_formspec(tubelib.STOPPED, filter))
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minetest.get_node_timer(pos):stop()
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return false
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end
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local function goto_sleep(pos)
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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local number = meta:get_string("number")
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meta:set_int("running", STANDBY_STATE)
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node.name = "tubelib:distributor"
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minetest.swap_node(pos, node)
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meta:set_string("infotext", "Tubelib Distributor "..number..": standby")
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local filter = minetest.deserialize(meta:get_string("filter"))
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meta:set_string("formspec", distributor_formspec(tubelib.STANDBY, filter))
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minetest.get_node_timer(pos):start(CYCLE_TIME * TICKS_TO_SLEEP)
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return false
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end
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-- move items to the output slots
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local function keep_running(pos, elapsed)
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local meta = minetest.get_meta(pos)
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local running = meta:get_int("running") - 1
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local player_name = meta:get_string("player_name")
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--print("running", running)
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local slot_idx = meta:get_int("slot_idx") or 1
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meta:set_int("slot_idx", (slot_idx + 1) % NUM_FILTER_SLOTS)
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local side = Num2Ascii[slot_idx+1]
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local listname = SlotColors[slot_idx+1]
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local inv = meta:get_inventory()
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local list = inv:get_list("src")
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local kvSrc = invlist_content_as_kvlist(list)
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local counter = minetest.deserialize(meta:get_string("item_counter")) or
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{red=0, green=0, blue=0, yellow=0}
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-- calculate the filter settings only once
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local hash = minetest.hash_node_position(pos)
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if FilterCache[hash] == nil then
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filter_settings(pos)
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end
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-- read data from Cache
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-- all filter items as key/value {<item:name> = true,...}
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local kvFilterItemNames = FilterCache[hash].kvFilterItemNames
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-- filter items of one slot as list {<item:name>,...}
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local names = FilterCache[hash].kvSide2ItemNames[side]
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if names == nil then
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-- this slot is empty
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return true
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end
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local busy = false
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-- move items from configured filters to the output
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if next(names) then
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for _,name in ipairs(names) do
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if kvSrc[name] then
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local item = tubelib.get_this_item(meta, "src", kvSrc[name]) -- <<=== tubelib
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if item then
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if not tubelib.push_items(pos, side, item, player_name) then -- <<=== tubelib
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tubelib.put_item(meta, "src", item)
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else
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counter[listname] = counter[listname] + 1
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busy = true
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end
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end
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end
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end
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end
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-- move additional items from unconfigured filters to the output
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if next(names) == nil then
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for name,_ in pairs(kvSrc) do
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if kvFilterItemNames[name] == nil then -- not in the filter so far?
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local item = tubelib.get_this_item(meta, "src", kvSrc[name]) -- <<=== tubelib
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if item then
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if not tubelib.push_items(pos, side, item, player_name) then -- <<=== tubelib
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tubelib.put_item(meta, "src", item)
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else
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counter[listname] = counter[listname] + 1
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busy = true
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end
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end
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end
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end
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end
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if busy == true then
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if running <= 0 then
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return start_the_machine(pos)
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else
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running = TICKS_TO_SLEEP
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end
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else
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if running <= 0 then
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return goto_sleep(pos)
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end
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end
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meta:set_string("item_counter", minetest.serialize(counter))
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meta:set_int("running", running)
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return true
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end
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local function on_receive_fields(pos, formname, fields, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return
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end
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local meta = minetest.get_meta(pos)
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local running = meta:get_int("running")
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local filter = minetest.deserialize(meta:get_string("filter"))
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if fields.filter1 ~= nil then
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filter[1] = fields.filter1 == "true"
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elseif fields.filter2 ~= nil then
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filter[2] = fields.filter2 == "true"
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elseif fields.filter3 ~= nil then
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filter[3] = fields.filter3 == "true"
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elseif fields.filter4 ~= nil then
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filter[4] = fields.filter4 == "true"
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end
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meta:set_string("filter", minetest.serialize(filter))
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filter_settings(pos)
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if fields.button ~= nil then
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if running > STOP_STATE then
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stop_the_machine(pos)
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else
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start_the_machine(pos)
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end
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else
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meta:set_string("formspec", distributor_formspec(tubelib.state(running), filter))
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end
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end
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-- tubelib command to turn on/off filter channels
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local function change_filter_settings(pos, slot, val)
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local slots = {["red"] = 1, ["green"] = 2, ["blue"] = 3, ["yellow"] = 4}
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local meta = minetest.get_meta(pos)
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local filter = minetest.deserialize(meta:get_string("filter"))
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local num = slots[slot] or 1
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if num >= 1 and num <= 4 then
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filter[num] = val == "on"
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end
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meta:set_string("filter", minetest.serialize(filter))
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filter_settings(pos)
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local running = meta:get_int("running")
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meta:set_string("formspec", distributor_formspec(tubelib.state(running), filter))
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return true
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end
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minetest.register_node("tubelib:distributor", {
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description = "Tubelib Distributor",
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tiles = {
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-- up, down, right, left, back, front
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'tubelib_distributor.png',
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'tubelib_distributor.png',
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'tubelib_distributor_yellow.png',
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'tubelib_distributor_green.png',
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"tubelib_distributor_red.png",
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"tubelib_distributor_blue.png",
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},
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after_place_node = function(pos, placer)
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local number = tubelib.add_node(pos, "tubelib:distributor") -- <<=== tubelib
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local meta = minetest.get_meta(pos)
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meta:set_string("player_name", placer:get_player_name())
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local filter = {false,false,false,false}
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meta:set_string("formspec", distributor_formspec(tubelib.STOPPED, filter))
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meta:set_string("filter", minetest.serialize(filter))
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meta:set_string("number", number)
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meta:set_string("infotext", "Tubelib Distributor "..number..": stopped")
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local inv = meta:get_inventory()
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inv:set_size('src', 8)
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inv:set_size('yellow', 6)
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inv:set_size('green', 6)
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inv:set_size('red', 6)
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inv:set_size('blue', 6)
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meta:set_string("item_counter", minetest.serialize({red=0, green=0, blue=0, yellow=0}))
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end,
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on_receive_fields = on_receive_fields,
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on_dig = function(pos, node, puncher, pointed_thing)
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if minetest.is_protected(pos, puncher:get_player_name()) then
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return
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end
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if inv:is_empty("src") then
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minetest.node_dig(pos, node, puncher, pointed_thing)
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tubelib.remove_node(pos) -- <<=== tubelib
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end
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end,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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on_timer = keep_running,
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on_rotate = screwdriver.disallow,
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paramtype = "light",
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sunlight_propagates = true,
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paramtype2 = "facedir",
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groups = {choppy=2, cracky=2, crumbly=2},
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_node("tubelib:distributor_active", {
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description = "Tubelib Distributor",
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tiles = {
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-- up, down, right, left, back, front
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{
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image = "tubelib_distributor_active.png",
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backface_culling = false,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 2.0,
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},
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},
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'tubelib_distributor.png',
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'tubelib_distributor_yellow.png',
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'tubelib_distributor_green.png',
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"tubelib_distributor_red.png",
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"tubelib_distributor_blue.png",
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},
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on_receive_fields = on_receive_fields,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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on_timer = keep_running,
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on_rotate = screwdriver.disallow,
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paramtype = "light",
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sunlight_propagates = true,
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paramtype2 = "facedir",
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groups = {crumbly=0, not_in_creative_inventory=1},
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_craft({
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output = "tubelib:distributor 2",
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recipe = {
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{"group:wood", "default:steel_ingot", "group:wood"},
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{"tubelib:tube1", "default:mese_crystal", "tubelib:tube1"},
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{"group:wood", "default:steel_ingot", "group:wood"},
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},
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})
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--------------------------------------------------------------- tubelib
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tubelib.register_node("tubelib:distributor", {"tubelib:distributor_active"}, {
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on_pull_item = function(pos, side)
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local meta = minetest.get_meta(pos)
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return tubelib.get_item(meta, "src")
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end,
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on_push_item = function(pos, side, item)
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local meta = minetest.get_meta(pos)
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return tubelib.put_item(meta, "src", item)
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end,
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on_unpull_item = function(pos, side, item)
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local meta = minetest.get_meta(pos)
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return tubelib.put_item(meta, "src", item)
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end,
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on_recv_message = function(pos, topic, payload)
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if topic == "on" then
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return start_the_machine(pos)
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elseif topic == "off" then
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return stop_the_machine(pos)
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elseif topic == "state" then
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local meta = minetest.get_meta(pos)
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local running = meta:get_int("running")
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return tubelib.statestring(running)
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elseif topic == "filter" then
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return change_filter_settings(pos, payload.slot, payload.val)
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elseif topic == "counter" then
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local meta = minetest.get_meta(pos)
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return minetest.deserialize(meta:get_string("item_counter")) or
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{red=0, green=0, blue=0, yellow=0}
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elseif topic == "clear_counter" then
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local meta = minetest.get_meta(pos)
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meta:set_string("item_counter", minetest.serialize({red=0, green=0, blue=0, yellow=0}))
|
|
else
|
|
return "unsupported"
|
|
end
|
|
end,
|
|
})
|
|
--------------------------------------------------------------- tubelib
|