minetest-mm/mods/techpack/tubelib/blackhole.lua
2024-12-19 12:55:40 +01:00

99 lines
2.5 KiB
Lua

--[[
Tube Library
============
Copyright (C) 2017-2020 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
blackhole.lua:
Simple node which lets all items disappear.
The blackhole supports the following message:
- topic = "status", payload = nil,
response is the number of disappeared items (0..n)
]]--
-- +--------+
-- / /|
-- +--------+ |
-- IN (L) -->| BLACK | |
-- | HOLE | +
-- | |/
-- +--------+
-- Load support for I18n
local S = tubelib.S
minetest.register_node("tubelib:blackhole", {
description = S("Tubelib Black Hole"),
tiles = {
-- up, down, right, left, back, front
'tubelib_front.png',
'tubelib_front.png',
'tubelib_black_hole.png',
'tubelib_black_hole_inp.png',
"tubelib_black_hole.png",
"tubelib_black_hole.png",
},
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
local number = tubelib.add_node(pos, "tubelib:blackhole") -- <<=== tubelib
meta:set_string("number", number)
meta:set_int("disappeared", 0)
meta:set_string("infotext", "0 "..S("items disappeared"))
end,
after_dig_node = function(pos)
tubelib.remove_node(pos) -- <<=== tubelib
end,
on_rotate = screwdriver.disallow,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=2, cracky=2, crumbly=2},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
on_blast = function() end,
})
minetest.register_craft({
output = "tubelib:blackhole 2",
recipe = {
{"group:wood", "", "group:wood"},
{"tubelib:tubeS", "default:coal_lump", "default:coal_lump"},
{"group:wood", "", "group:wood"},
},
})
--------------------------------------------------------------- tubelib
tubelib.register_node("tubelib:blackhole", {}, {
on_pull_item = nil, -- not needed
on_unpull_item = nil, -- not needed
valid_sides = {"L"},
on_push_item = function(pos, side, item)
local meta = minetest.get_meta(pos)
local disappeared = meta:get_int("disappeared") + item:get_count()
meta:set_int("disappeared", disappeared)
meta:set_string("infotext", disappeared.." "..S("items disappeared"))
return true
end,
on_recv_message = function(pos, topic, payload)
local node = minetest.get_node(pos)
if topic == "state" then
local meta = minetest.get_meta(pos)
return meta:get_int("disappeared")
else
return "not supported"
end
end,
})
--------------------------------------------------------------- tubelib