techpack/tubelib_addons3/pusher.lua

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--[[
Tubelib Addons 3
================
Copyright (C) 2018 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
pusher.lua
A high performance pusher
]]--
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-- for lazy programmers
local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
local P = minetest.string_to_pos
local M = minetest.get_meta
local STANDBY_TICKS = 5
local COUNTDOWN_TICKS = 5
local CYCLE_TIME = 2
local State = tubelib.NodeStates:new({
node_name_passive = "tubelib_addons3:pusher",
node_name_active = "tubelib_addons3:pusher_active",
node_name_defect = "tubelib_addons3:pusher_defect",
infotext_name = "HighPerf Pusher",
cycle_time = CYCLE_TIME,
standby_ticks = STANDBY_TICKS,
has_item_meter = true,
aging_factor = 60,
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})
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local function pushing(pos, meta)
local player_name = meta:get_string("player_name")
local items = tubelib.pull_stack(pos, "L", player_name)
if items ~= nil then
if tubelib.push_items(pos, "R", items, player_name) == false then
-- place item back
tubelib.unpull_items(pos, "L", items, player_name)
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State:blocked(pos, meta)
return
end
State:keep_running(pos, meta, COUNTDOWN_TICKS, items:get_count())
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return
end
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State:idle(pos, meta)
end
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local function keep_running(pos, elapsed)
local meta = M(pos)
pushing(pos, meta)
return State:is_active(meta)
end
minetest.register_node("tubelib_addons3:pusher", {
description = "HighPerf Pusher",
tiles = {
-- up, down, right, left, back, front
'tubelib_pusher1.png^tubelib_addons3_node_frame4.png',
'tubelib_pusher1.png^tubelib_addons3_node_frame4.png',
'tubelib_outp.png^tubelib_addons3_node_frame4.png',
'tubelib_inp.png^tubelib_addons3_node_frame4.png',
"tubelib_pusher1.png^[transformR180]^tubelib_addons3_node_frame4.png^[transformR180]",
"tubelib_pusher1.png^tubelib_addons3_node_frame4.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_addons3:pusher")
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State:node_init(pos, number)
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))
end
end,
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after_dig_node = function(pos, oldnode, oldmetadata, digger)
tubelib.remove_node(pos)
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State:after_dig_node(pos, oldnode, oldmetadata, digger)
end,
on_timer = keep_running,
on_rotate = screwdriver.disallow,
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drop = "",
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_addons3:pusher_active", {
description = "HighPerf Pusher",
tiles = {
-- up, down, right, left, back, front
{
image = "tubelib_addons3_pusher_active.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2.0,
},
},
{
image = "tubelib_addons3_pusher_active.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2.0,
},
},
'tubelib_outp.png^tubelib_addons3_node_frame4.png',
'tubelib_inp.png^tubelib_addons3_node_frame4.png',
{
image = "tubelib_addons3_pusher_active.png^[transformR180]",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2.0,
},
},
{
image = "tubelib_addons3_pusher_active.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))
end
end,
on_timer = keep_running,
on_rotate = screwdriver.disallow,
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_addons3:pusher_defect", {
description = "HighPerf Pusher",
tiles = {
-- up, down, right, left, back, front
'tubelib_pusher1.png^tubelib_addons3_node_frame4.png',
'tubelib_pusher1.png^tubelib_addons3_node_frame4.png',
'tubelib_outp.png^tubelib_addons3_node_frame4.png^tubelib_defect.png',
'tubelib_inp.png^tubelib_addons3_node_frame4.png^tubelib_defect.png',
"tubelib_pusher1.png^[transformR180]^tubelib_addons3_node_frame4.png^[transformR180]^tubelib_defect.png",
"tubelib_pusher1.png^tubelib_addons3_node_frame4.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_addons3:pusher")
State:node_init(pos, number)
State:defect(pos, meta)
end,
after_dig_node = function(pos)
tubelib.remove_node(pos)
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(),
})
minetest.register_craft({
output = "tubelib_addons3:pusher",
recipe = {
{"default:tin_ingot", "tubelib:pusher", ""},
{"tubelib:pusher", "default:gold_ingot", ""},
{"", "", ""},
},
})
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tubelib.register_node("tubelib_addons3:pusher",
{"tubelib_addons3:pusher_active", "tubelib_addons3:pusher_defect"}, {
is_pusher = true, -- is a pulling/pushing node
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
else
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return "unsupported"
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,
})