techpack/smartline/playerdetector.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
playerdetector.lua:
]]--
local function switch_on(pos)
local meta = minetest.get_meta(pos)
local node = minetest.get_node(pos)
node.name = "smartline:playerdetector_active"
minetest.swap_node(pos, node)
local number = meta:get_string("number")
local numbers = meta:get_string("numbers")
local owner = meta:get_string("owner")
tubelib.send_message(numbers, owner, nil, "on", number)
end
local function switch_off(pos)
local meta = minetest.get_meta(pos)
local node = minetest.get_node(pos)
node.name = "smartline:playerdetector"
minetest.swap_node(pos, node)
local number = meta:get_string("number")
local numbers = meta:get_string("numbers")
local owner = meta:get_string("owner")
tubelib.send_message(numbers, owner, nil, "off", number)
end
local function scan_for_player(pos)
local meta = minetest.get_meta(pos)
local names = meta:get_string("names") or ""
for _, object in pairs(minetest.get_objects_inside_radius(pos, 4)) do
if object:is_player() then
if names == "" then
meta:set_string("player_name", object:get_player_name())
return true
end
for _,name in ipairs(string.split(names, " ")) do
if object:get_player_name() == name then
meta:set_string("player_name", name)
return true
end
end
end
end
meta:set_string("player_name", nil)
return false
end
local function formspec_help()
return "size[10,9]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"label[3,0;Player Detector Help]"..
"label[0,1;Input the number(s) of the receiving node(s).\n"..
"Separate numbers via blanks, like '0123 0234'.\n\n"..
"Input the player name(s) separated by blanks,\nor empty for all players.]"..
"button_exit[4,8;2,1;exit;close]"
end
local function formspec(numbers, names)
return "size[8,5]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"label[2,0;Player Detector]"..
"field[0.3,1;8,1;numbers;Receiver node numbers:;"..numbers.."]" ..
"field[0.3,2.5;8,1;names;Player name(s):;"..names.."]" ..
"button_exit[5,3.5;2,1;exit;Save]"..
"button[1,3.5;1,1;help;help]"
end
local function on_receive_fields(pos, formname, fields, player)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
if player:get_player_name() == owner then
if fields.exit == "Save" then
if tubelib.check_numbers(fields.numbers) then
meta:set_string("numbers", fields.numbers)
end
meta:set_string("names", fields.names)
meta:set_string("formspec", formspec(fields.numbers, fields.names))
elseif fields.help ~= nil then
meta:set_string("formspec", formspec_help())
elseif fields.exit == "close" then
local numbers = meta:get_string("numbers")
local names = meta:get_string("names")
meta:set_string("formspec", formspec(numbers, names))
end
end
end
minetest.register_node("smartline:playerdetector", {
description = "SmartLine Player Detector",
inventory_image = "smartline_detector_inventory.png",
tiles = {
-- up, down, right, left, back, front
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png^smartline_detector.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 number = tubelib.add_node(pos, "smartline:playerdetector")
local meta = minetest.get_meta(pos)
meta:set_string("number", number)
local numbers = meta:get_string("numbers") or ""
local names = meta:get_string("names") or ""
meta:set_string("formspec", formspec(numbers, names))
meta:set_string("infotext", "SmartLine Player Detector "..number)
meta:set_string("owner", placer:get_player_name())
minetest.get_node_timer(pos):start(1)
end,
on_receive_fields = on_receive_fields,
after_dig_node = function(pos)
tubelib.remove_node(pos)
end,
on_timer = function (pos, elapsed)
if scan_for_player(pos) then
switch_on(pos)
minetest.get_node_timer(pos):start(1)
return false
end
return true
end,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {cracky=2, crumbly=2},
is_ground_content = false,
sounds = default.node_sound_metal_defaults(),
})
minetest.register_node("smartline:playerdetector_active", {
description = "SmartLine Player Detector",
tiles = {
-- up, down, right, left, back, front
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png^smartline_detector_active.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{ -6/32, -6/32, 14/32, 6/32, 6/32, 16/32},
},
},
on_receive_fields = on_receive_fields,
after_dig_node = function(pos)
tubelib.remove_node(pos)
end,
on_timer = function (pos, elapsed)
if not scan_for_player(pos) then
switch_off(pos)
minetest.get_node_timer(pos):start(1)
return false
end
return true
end,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {cracky=2, crumbly=2, not_in_creative_inventory=1},
is_ground_content = false,
sounds = default.node_sound_metal_defaults(),
drop = "smartline:playerdetector"
})
minetest.register_craft({
output = "smartline:playerdetector",
recipe = {
{"", "default:copper_ingot", ""},
{"dye:blue", "default:copper_ingot", "tubelib:wlanchip"},
{"", "", ""},
},
})
tubelib.register_node("smartline:playerdetector", {"smartline:playerdetector_active"}, {
on_recv_message = function(pos, topic, payload)
if topic == "set_numbers" then
local meta = minetest.get_meta(pos)
meta:set_string("numbers", payload)
local names = meta:get_string("names") or ""
meta:set_string("formspec", formspec(payload, names))
return true
elseif topic == "name" then
local meta = minetest.get_meta(pos)
return meta:get_string("player_name")
end
end,
})