techpack/tubelib/pusher.lua

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--[[
Tube Library
============
Copyright (C) 2017-2020 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
pusher.lua:
Simple node for push/pull operation of StackItems from chests or other
inventory/server nodes to tubes or other inventory/server nodes.
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The Pusher is based on the class NodeStates and supports the following messages:
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- topic = "on", payload = nil
- topic = "off", payload = nil
- topic = "state", payload = nil,
response is "running", "stopped", "standby", "blocked", or "not supported"
]]--
-- +--------+
-- / /|
-- +--------+ |
-- IN (L) -->| |x--> OUT (R)
-- | PUSHER | +
-- | |/
-- +--------+
-- Load support for I18n
local S = tubelib.S
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-- for lazy programmers
local P = minetest.string_to_pos
local M = minetest.get_meta
local STANDBY_TICKS = 5
local COUNTDOWN_TICKS = 5
local CYCLE_TIME = 2
local FIRST_CYCLE = 0.5
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local State = tubelib.NodeStates:new({
node_name_passive = "tubelib:pusher",
node_name_active = "tubelib:pusher_active",
node_name_defect = "tubelib:pusher_defect",
infotext_name = S("Tubelib Pusher"),
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cycle_time = CYCLE_TIME,
first_cycle_time = FIRST_CYCLE,
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standby_ticks = STANDBY_TICKS,
has_item_meter = true,
aging_factor = 10,
})
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local function pushing(pos, meta)
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local player_name = meta:get_string("player_name")
local items = tubelib.pull_items(pos, "L", player_name) -- <<=== tubelib
if items ~= nil then
if tubelib.push_items(pos, "R", items, player_name) == false then -- <<=== tubelib
-- place item back
tubelib.unpull_items(pos, "L", items, player_name) -- <<=== tubelib
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State:blocked(pos, meta)
return
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end
if State.get_state(pos, meta) ~= tubelib.STOPPED then
State:keep_running(pos, meta, COUNTDOWN_TICKS)
end
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return
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end
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State:idle(pos, meta)
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end
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local function keep_running(pos, elapsed)
if tubelib.data_not_corrupted(pos) then
local meta = M(pos)
pushing(pos, meta)
return State:is_active(meta)
end
return false
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end
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minetest.register_node("tubelib:pusher", {
description = S("Tubelib Pusher"),
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tiles = {
-- up, down, right, left, back, front
'tubelib_pusher1.png',
'tubelib_pusher1.png',
'tubelib_outp.png',
'tubelib_inp.png',
"tubelib_pusher1.png^[transformR180]",
"tubelib_pusher1.png",
},
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
meta:set_string("player_name", placer:get_player_name())
local number = tubelib.add_node(pos, "tubelib:pusher") -- <<=== tubelib
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State:node_init(pos, number)
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end,
on_rightclick = function(pos, node, clicker)
if not minetest.is_protected(pos, clicker:get_player_name()) then
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State:start(pos, M(pos))
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end
end,
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on_dig = function(pos, node, player)
State:on_dig_node(pos, node, player)
tubelib.remove_node(pos)
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end,
on_timer = keep_running,
on_rotate = screwdriver.disallow,
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paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=2, cracky=2, crumbly=2},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
minetest.register_node("tubelib:pusher_active", {
description = S("Tubelib Pusher"),
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tiles = {
-- up, down, right, left, back, front
{
image = "tubelib_pusher.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2.0,
},
},
{
image = "tubelib_pusher.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2.0,
},
},
'tubelib_outp.png',
'tubelib_inp.png',
{
image = "tubelib_pusher.png^[transformR180]",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2.0,
},
},
{
image = "tubelib_pusher.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2.0,
},
},
},
on_rightclick = function(pos, node, clicker)
if not minetest.is_protected(pos, clicker:get_player_name()) then
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State:stop(pos, M(pos))
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end
end,
on_timer = keep_running,
on_rotate = screwdriver.disallow,
diggable = false,
can_dig = function() return false end,
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paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {crumbly=0, not_in_creative_inventory=1},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
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minetest.register_node("tubelib:pusher_defect", {
description = S("Tubelib Pusher"),
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tiles = {
-- up, down, right, left, back, front
'tubelib_pusher1.png',
'tubelib_pusher1.png',
'tubelib_outp.png^tubelib_defect.png',
'tubelib_inp.png^tubelib_defect.png',
"tubelib_pusher1.png^[transformR180]^tubelib_defect.png",
"tubelib_pusher1.png^tubelib_defect.png",
},
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
meta:set_string("player_name", placer:get_player_name())
local number = tubelib.add_node(pos, "tubelib:pusher") -- <<=== tubelib
State:node_init(pos, number)
State:defect(pos, meta)
end,
after_dig_node = function(pos)
tubelib.remove_node(pos) -- <<=== tubelib
end,
on_timer = keep_running,
on_rotate = screwdriver.disallow,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=2, cracky=2, crumbly=2, not_in_creative_inventory=1},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
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minetest.register_craft({
output = "tubelib:pusher 2",
recipe = {
{"group:wood", "wool:dark_green", "group:wood"},
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{"tubelib:tubeS", "default:mese_crystal", "tubelib:tubeS"},
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{"group:wood", "wool:dark_green", "group:wood"},
},
})
--------------------------------------------------------------- tubelib
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tubelib.register_node("tubelib:pusher",
{"tubelib:pusher_active", "tubelib:pusher_defect"}, {
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on_pull_item = nil, -- pusher has no inventory
on_push_item = nil, -- pusher has no inventory
on_unpull_item = nil, -- pusher has no inventory
is_pusher = true, -- is a pulling/pushing node
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valid_sides = {"R","L"},
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on_recv_message = function(pos, topic, payload)
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local resp = State:on_receive_message(pos, topic, payload)
if resp then
return resp
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else
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return "unsupported"
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end
end,
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on_node_load = function(pos)
State:on_node_load(pos)
end,
on_node_repair = function(pos)
return State:on_node_repair(pos)
end,
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})
--------------------------------------------------------------- tubelib