techpack/smartline/repeater.lua

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2018-03-10 22:14:57 +01:00
--[[
SmartLine
=========
Copyright (C) 2018 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
repeater.lua:
Derived from Tubelib repeater
]]--
local OVER_LOAD_MAX = 5
local function formspec(meta)
local numbers = meta:get_string("numbers")
return "size[7,5]"..
"field[0.5,2;6,1;number;Destination node numbers;"..numbers.."]" ..
"button_exit[1,3;2,1;exit;Save]"
end
minetest.register_node("smartline:repeater", {
description = "SmartLine Repeater",
inventory_image = "smartline_repeater_inventory.png",
tiles = {
-- up, down, right, left, back, front
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png^smartline_repeater.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{ -6/32, -6/32, 14/32, 6/32, 6/32, 16/32},
},
},
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
local own_number = tubelib.add_node(pos, "smartline:repeater")
meta:set_string("own_number", own_number)
meta:set_string("formspec", formspec(meta))
meta:set_string("infotext", "SmartLine Repeater "..own_number..": not connected")
meta:set_string("owner", placer:get_player_name())
meta:set_int("overload_cnt", 0)
minetest.get_node_timer(pos):start(1)
end,
on_receive_fields = function(pos, formname, fields, player)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
if owner ~= player:get_player_name() then
return
end
if tubelib.check_numbers(fields.number) then
meta:set_string("numbers", fields.number)
local own_number = meta:get_string("own_number")
meta:set_string("infotext", "SmartLine Repeater "..own_number..": connected with "..fields.number)
meta:set_string("formspec", formspec(meta))
end
local timer = minetest.get_node_timer(pos)
if not timer:is_started() then
timer:start(1)
end
end,
on_timer = function(pos,elapsed)
local meta = minetest.get_meta(pos)
meta:set_int("overload_cnt", 0)
return true
end,
after_dig_node = function(pos)
tubelib.remove_node(pos)
end,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=2, cracky=2, crumbly=2},
is_ground_content = false,
sounds = default.node_sound_stone_defaults(),
})
minetest.register_craft({
output = "smartline:repeater",
recipe = {
{"default:copper_ingot", "", "default:copper_ingot"},
{"tubelib:wlanchip", "", "tubelib:wlanchip"},
{"", "", ""},
},
})
tubelib.register_node("smartline:repeater", {}, {
on_recv_message = function(pos, topic, payload)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
local numbers = meta:get_string("numbers")
local overload_cnt = meta:get_int("overload_cnt") + 1
meta:set_int("overload_cnt", overload_cnt)
if overload_cnt > OVER_LOAD_MAX then
local own_number = meta:get_string("own_number")
meta:set_string("infotext", "SmartLine Repeater "..own_number..": fault (overloaded)")
minetest.get_node_timer(pos):stop()
return false
elseif topic == "set_numbers" then
local own_number = meta:get_string("own_number")
meta:set_string("infotext", "SmartLine Repeater "..own_number..": connected with "..payload)
meta:set_string("numbers", payload)
meta:set_string("formspec", formspec(meta))
return true
else
return tubelib.send_message(numbers, owner, nil, topic, payload)
end
end,
})