mirror of
https://github.com/minetest-mods/mesecons.git
synced 2024-11-16 07:10:32 +01:00
340 lines
11 KiB
Lua
340 lines
11 KiB
Lua
local S = minetest.get_translator("mesecons_detector")
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local F = minetest.formspec_escape
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local GET_COMMAND = "GET"
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-- Object detector
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-- Detects players in a certain radius
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-- The radius can be specified in mesecons/settings.lua
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local function object_detector_make_formspec(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("formspec", "size[9,2.5]" ..
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"field[0.3, 0;9,2;scanname;"..F(S("Name of player to scan for (empty for any):"))..";${scanname}]"..
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"field[0.3,1.5;4,2;digiline_channel;"..F(S("Digiline Channel (optional):"))..";${digiline_channel}]"..
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"button_exit[7,0.75;2,3;;"..F(S("Save")).."]")
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end
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local function object_detector_on_receive_fields(pos, formname, fields, sender)
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if not fields.scanname or not fields.digiline_channel then return end
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if minetest.is_protected(pos, sender:get_player_name()) then return end
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local meta = minetest.get_meta(pos)
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meta:set_string("scanname", fields.scanname)
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meta:set_string("digiline_channel", fields.digiline_channel)
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object_detector_make_formspec(pos)
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end
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-- returns true if player was found, false if not
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local function object_detector_scan(pos)
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local objs = minetest.get_objects_inside_radius(pos, mesecon.setting("detector_radius", 6))
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-- abort if no scan results were found
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if next(objs) == nil then return false end
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local scanname = minetest.get_meta(pos):get_string("scanname")
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local scan_for = {}
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for _, str in pairs(string.split(scanname:gsub(" ", ""), ",")) do
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scan_for[str] = true
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end
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local every_player = scanname == ""
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for _, obj in pairs(objs) do
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-- "" is returned if it is not a player; "" ~= nil; so only handle objects with foundname ~= ""
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local foundname = obj:get_player_name()
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if foundname ~= "" then
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if every_player or scan_for[foundname] then
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return true
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end
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end
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end
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return false
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end
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-- set player name when receiving a digiline signal on a specific channel
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local object_detector_digiline = {
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effector = {
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action = function(pos, node, channel, msg)
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local meta = minetest.get_meta(pos)
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if channel == meta:get_string("digiline_channel") then
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meta:set_string("scanname", msg)
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object_detector_make_formspec(pos)
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end
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end,
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}
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}
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minetest.register_node("mesecons_detector:object_detector_off", {
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tiles = {"default_steel_block.png", "default_steel_block.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png"},
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paramtype = "light",
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is_ground_content = false,
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walkable = true,
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groups = {cracky=3},
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description=S("Player Detector"),
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mesecons = {receptor = {
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state = mesecon.state.off,
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rules = mesecon.rules.pplate
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}},
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on_construct = object_detector_make_formspec,
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on_receive_fields = object_detector_on_receive_fields,
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sounds = default.node_sound_stone_defaults(),
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digiline = object_detector_digiline,
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on_blast = mesecon.on_blastnode,
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})
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minetest.register_node("mesecons_detector:object_detector_on", {
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tiles = {"default_steel_block.png", "default_steel_block.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png"},
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paramtype = "light",
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is_ground_content = false,
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walkable = true,
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groups = {cracky=3,not_in_creative_inventory=1},
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drop = 'mesecons_detector:object_detector_off',
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mesecons = {receptor = {
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state = mesecon.state.on,
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rules = mesecon.rules.pplate
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}},
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on_construct = object_detector_make_formspec,
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on_receive_fields = object_detector_on_receive_fields,
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sounds = default.node_sound_stone_defaults(),
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digiline = object_detector_digiline,
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on_blast = mesecon.on_blastnode,
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})
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minetest.register_craft({
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output = 'mesecons_detector:object_detector_off',
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recipe = {
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{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
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{"default:steel_ingot", "mesecons_luacontroller:luacontroller0000", "default:steel_ingot"},
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{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
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}
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})
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minetest.register_craft({
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output = 'mesecons_detector:object_detector_off',
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recipe = {
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{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
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{"default:steel_ingot", "mesecons_microcontroller:microcontroller0000", "default:steel_ingot"},
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{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
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}
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})
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minetest.register_abm({
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nodenames = {"mesecons_detector:object_detector_off"},
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interval = 1,
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chance = 1,
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action = function(pos, node)
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if not object_detector_scan(pos) then return end
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node.name = "mesecons_detector:object_detector_on"
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minetest.swap_node(pos, node)
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mesecon.receptor_on(pos, mesecon.rules.pplate)
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end,
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})
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minetest.register_abm({
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nodenames = {"mesecons_detector:object_detector_on"},
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interval = 1,
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chance = 1,
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action = function(pos, node)
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if object_detector_scan(pos) then return end
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node.name = "mesecons_detector:object_detector_off"
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minetest.swap_node(pos, node)
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mesecon.receptor_off(pos, mesecon.rules.pplate)
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end,
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})
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-- Node detector
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-- Detects the node in front of it
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local function node_detector_make_formspec(pos)
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local meta = minetest.get_meta(pos)
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if meta:get_string("distance") == "" then meta:set_string("distance", "0") end
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meta:set_string("formspec", "size[9,2.5]" ..
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"field[0.3, 0;9,2;scanname;Name of node to scan for (empty for any):;${scanname}]"..
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"field[0.3,1.5;2.5,2;distance;Distance (0-"..mesecon.setting("node_detector_distance_max", 10).."):;${distance}]"..
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"field[3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
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"button_exit[7,0.75;2,3;;Save]")
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end
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local function node_detector_on_receive_fields(pos, fieldname, fields, sender)
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if not fields.scanname or not fields.digiline_channel then return end
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if minetest.is_protected(pos, sender:get_player_name()) then return end
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local meta = minetest.get_meta(pos)
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meta:set_string("scanname", fields.scanname)
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meta:set_string("distance", fields.distance or "0")
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meta:set_string("digiline_channel", fields.digiline_channel)
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node_detector_make_formspec(pos)
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end
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-- returns true if node was found, false if not
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local function node_detector_scan(pos)
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local node = minetest.get_node_or_nil(pos)
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if not node then return end
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local meta = minetest.get_meta(pos)
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local distance = meta:get_int("distance")
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local distance_max = mesecon.setting("node_detector_distance_max", 10)
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if distance < 0 then distance = 0 end
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if distance > distance_max then distance = distance_max end
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local frontname = minetest.get_node(
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vector.subtract(pos, vector.multiply(minetest.facedir_to_dir(node.param2), distance + 1))
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).name
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local scanname = meta:get_string("scanname")
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return (frontname == scanname) or
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(frontname ~= "air" and frontname ~= "ignore" and scanname == "")
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end
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local function node_detector_send_node_name(pos, node, channel, meta)
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local distance = meta:get_int("distance")
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local distance_max = mesecon.setting("node_detector_distance_max", 10)
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if distance < 0 then distance = 0 end
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if distance > distance_max then distance = distance_max end
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local nodename = minetest.get_node(
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vector.subtract(pos, vector.multiply(minetest.facedir_to_dir(node.param2), distance + 1))
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).name
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digiline:receptor_send(pos, digiline.rules.default, channel, nodename)
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end
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-- set player name when receiving a digiline signal on a specific channel
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local node_detector_digiline = {
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effector = {
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action = function(pos, node, channel, msg)
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local meta = minetest.get_meta(pos)
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if channel ~= meta:get_string("digiline_channel") then return end
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if type(msg) == "table" then
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if msg.distance or msg.scanname then
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if msg.distance then
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meta:set_string("distance", msg.distance)
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end
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if msg.scanname then
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meta:set_string("scanname", msg.scanname)
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end
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node_detector_make_formspec(pos)
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end
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if msg.command == "get" then
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node_detector_send_node_name(pos, node, channel, meta)
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elseif msg.command == "scan" then
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local result = node_detector_scan(pos)
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digiline:receptor_send(pos, digiline.rules.default, channel, result)
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end
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else
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if msg == GET_COMMAND then
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node_detector_send_node_name(pos, node, channel, meta)
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else
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meta:set_string("scanname", msg)
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node_detector_make_formspec(pos)
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end
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end
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end,
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},
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receptor = {}
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}
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local function after_place_node_detector(pos, placer)
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local placer_pos = placer:getpos()
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if not placer_pos then
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return
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end
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--correct for the player's height
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if placer:is_player() then
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placer_pos.y = placer_pos.y + 1.625
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end
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--correct for 6d facedir
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local node = minetest.get_node(pos)
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node.param2 = minetest.dir_to_facedir(vector.subtract(pos, placer_pos), true)
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minetest.set_node(pos, node)
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end
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minetest.register_node("mesecons_detector:node_detector_off", {
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tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "jeija_node_detector_off.png"},
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paramtype = "light",
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paramtype2 = "facedir",
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is_ground_content = false,
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walkable = true,
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groups = {cracky=3},
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description=S("Node Detector"),
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mesecons = {receptor = {
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state = mesecon.state.off
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}},
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on_construct = node_detector_make_formspec,
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on_receive_fields = node_detector_on_receive_fields,
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sounds = default.node_sound_stone_defaults(),
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digiline = node_detector_digiline,
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on_blast = mesecon.on_blastnode,
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})
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minetest.register_node("mesecons_detector:node_detector_on", {
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tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "jeija_node_detector_on.png"},
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paramtype = "light",
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paramtype2 = "facedir",
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is_ground_content = false,
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walkable = true,
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groups = {cracky=3,not_in_creative_inventory=1},
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drop = 'mesecons_detector:node_detector_off',
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mesecons = {receptor = {
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state = mesecon.state.on
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}},
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on_construct = node_detector_make_formspec,
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on_receive_fields = node_detector_on_receive_fields,
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sounds = default.node_sound_stone_defaults(),
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digiline = node_detector_digiline,
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on_blast = mesecon.on_blastnode,
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})
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minetest.register_craft({
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output = 'mesecons_detector:node_detector_off',
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recipe = {
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{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
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{"default:steel_ingot", "mesecons_luacontroller:luacontroller0000", "default:steel_ingot"},
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{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
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}
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})
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minetest.register_craft({
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output = 'mesecons_detector:node_detector_off',
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recipe = {
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{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
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{"default:steel_ingot", "mesecons_microcontroller:microcontroller0000", "default:steel_ingot"},
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{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
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}
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})
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minetest.register_abm({
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nodenames = {"mesecons_detector:node_detector_off"},
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interval = 1,
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chance = 1,
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action = function(pos, node)
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if not node_detector_scan(pos) then return end
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node.name = "mesecons_detector:node_detector_on"
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minetest.swap_node(pos, node)
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mesecon.receptor_on(pos)
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end,
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})
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minetest.register_abm({
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nodenames = {"mesecons_detector:node_detector_on"},
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interval = 1,
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chance = 1,
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action = function(pos, node)
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if node_detector_scan(pos) then return end
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node.name = "mesecons_detector:node_detector_off"
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minetest.swap_node(pos, node)
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mesecon.receptor_off(pos)
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end,
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})
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