99 lines
2.5 KiB
Lua
99 lines
2.5 KiB
Lua
--[[
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Tube Library
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============
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Copyright (C) 2017-2019 Joachim Stolberg
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LGPLv2.1+
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See LICENSE.txt for more information
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blackhole.lua:
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Simple node which lets all items disappear.
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The blackhole supports the following message:
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- topic = "status", payload = nil,
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response is the number of disappeared items (0..n)
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]]--
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-- +--------+
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-- / /|
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-- +--------+ |
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-- IN (L) -->| BLACK | |
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-- | HOLE | +
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-- | |/
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-- +--------+
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minetest.register_node("tubelib:blackhole", {
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description = "Tubelib Black Hole",
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tiles = {
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-- up, down, right, left, back, front
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'tubelib_front.png',
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'tubelib_front.png',
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'tubelib_black_hole.png',
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'tubelib_black_hole_inp.png',
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"tubelib_black_hole.png",
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"tubelib_black_hole.png",
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},
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after_place_node = function(pos, placer)
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local meta = minetest.get_meta(pos)
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local number = tubelib.add_node(pos, "tubelib:blackhole") -- <<=== tubelib
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meta:set_string("number", number)
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meta:set_int("disappeared", 0)
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meta:set_string("infotext","0 items disappeared")
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end,
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after_dig_node = function(pos)
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tubelib.remove_node(pos) -- <<=== tubelib
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end,
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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_craft({
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output = "tubelib:blackhole 2",
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recipe = {
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{"group:wood", "", "group:wood"},
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{"tubelib:tubeS", "default:coal_lump", "default:coal_lump"},
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{"group:wood", "", "group:wood"},
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},
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})
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--------------------------------------------------------------- tubelib
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tubelib.register_node("tubelib:blackhole", {}, {
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on_pull_item = nil, -- not needed
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on_unpull_item = nil, -- not needed
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on_push_item = function(pos, side, item)
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if side == "L" then
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local meta = minetest.get_meta(pos)
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local disappeared = meta:get_int("disappeared") + item:get_count()
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meta:set_int("disappeared", disappeared)
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meta:set_string("infotext", disappeared.." items disappeared")
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return true
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end
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return false
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end,
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on_recv_message = function(pos, topic, payload)
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local node = minetest.get_node(pos)
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if topic == "state" then
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local meta = minetest.get_meta(pos)
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return meta:get_int("disappeared")
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else
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return "not supported"
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end
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end,
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})
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--------------------------------------------------------------- tubelib
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