forked from MTSR/techage_modpack
229 lines
6.0 KiB
Lua
229 lines
6.0 KiB
Lua
--[[
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Signs Bot
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=========
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Copyright (C) 2019 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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Node Sensor
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]]--
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-- for lazy programmers
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local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local P = minetest.string_to_pos
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local M = minetest.get_meta
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-- Load support for intllib.
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local MP = minetest.get_modpath("signs_bot")
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local I,_ = dofile(MP.."/intllib.lua")
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local lib = signs_bot.lib
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local CYCLE_TIME = 2
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local function update_infotext(pos, dest_pos, cmnd)
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M(pos):set_string("infotext", I("Node Sensor: Connected with ")..S(dest_pos).." / "..cmnd)
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end
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local function swap_node(pos, name)
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local node = minetest.get_node(pos)
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if node.name == name then
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return false
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end
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if string.sub(node.name, 1,21) == "signs_bot:node_sensor" then
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node.name = name
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minetest.swap_node(pos, node)
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return true
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end
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return false
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end
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local DropdownValues = {
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[I("added")] = 1,
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[I("removed")] = 2,
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[I("added or removed")] = 3,
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}
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local function formspec(mem)
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local label = I("added")..","..I("removed")..","..I("added or removed")
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return "size[6,3]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"label[0.2,0.4;"..I("Send signal if nodes have been:").."]"..
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"dropdown[0.2,1;6,1;mode;"..label..";"..(mem.mode or 3).."]"..
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"button_exit[1.5,2.2;3,1;accept;"..I("accept").."]"
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end
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local function any_node_changed(pos)
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local mem = tubelib2.get_mem(pos)
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if not mem.pos1 or not mem.pos2 or not mem.num then
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local node = minetest.get_node(pos)
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local param2 = (node.param2 + 2) % 4
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mem.pos1 = lib.dest_pos(pos, param2, {0})
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mem.pos2 = lib.dest_pos(pos, param2, {0,0,0})
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mem.num = #minetest.find_nodes_in_area(mem.pos1, mem.pos2, {"air"})
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return false
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end
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local num = #minetest.find_nodes_in_area(mem.pos1, mem.pos2, {"air"})
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if mem.num ~= num then
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if mem.mode == 1 and num < mem.num then
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mem.num = num
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return true
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elseif mem.mode == 2 and num > mem.num then
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mem.num = num
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return true
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elseif mem.mode == 3 then
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mem.num = num
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return true
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end
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mem.num = num
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end
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return false
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end
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local function on_receive_fields(pos, formname, fields, player)
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local mem = tubelib2.get_mem(pos)
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local meta = M(pos)
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if minetest.is_protected(pos, player:get_player_name()) then
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return
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end
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if fields.accept then
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mem.mode = DropdownValues[fields.mode] or 3
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mem.num = nil
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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swap_node(pos, "signs_bot:node_sensor")
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end
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meta:set_string("formspec", formspec(mem))
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end
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local function node_timer(pos)
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if any_node_changed(pos)then
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if swap_node(pos, "signs_bot:node_sensor_on") then
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signs_bot.send_signal(pos)
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signs_bot.lib.activate_extender_nodes(pos, true)
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minetest.after(1, swap_node, pos, "signs_bot:node_sensor")
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end
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end
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return true
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end
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minetest.register_node("signs_bot:node_sensor", {
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description = I("Node Sensor"),
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inventory_image = "signs_bot_sensor_node_inv.png",
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{ -11/32, -1/2, -11/32, 11/32, -5/16, 11/32},
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},
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},
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tiles = {
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-- up, down, right, left, back, front
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"signs_bot_sensor1.png^signs_bot_sensor_node.png",
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"signs_bot_sensor1.png",
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"signs_bot_sensor1.png^[transformFXR90",
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"signs_bot_sensor1.png^[transformFXR90",
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"signs_bot_sensor1.png^[transformFXR90",
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"signs_bot_sensor1.png^[transformFXR180",
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},
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after_place_node = function(pos, placer)
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local meta = M(pos)
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local mem = tubelib2.init_mem(pos)
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meta:set_string("infotext", "Node Sensor: Not connected")
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mem.mode = 3 -- default legacy mode
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meta:set_string("formspec", formspec(mem))
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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any_node_changed(pos)
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end,
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on_timer = node_timer,
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update_infotext = update_infotext,
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on_receive_fields = on_receive_fields,
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on_rotate = screwdriver.disallow,
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paramtype = "light",
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sunlight_propagates = true,
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paramtype2 = "facedir",
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is_ground_content = false,
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groups = {sign_bot_sensor = 1, cracky = 1},
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sounds = default.node_sound_metal_defaults(),
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})
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minetest.register_node("signs_bot:node_sensor_on", {
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description = I("Node Sensor"),
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{ -11/32, -1/2, -11/32, 11/32, -5/16, 11/32},
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},
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},
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tiles = {
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-- up, down, right, left, back, front
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"signs_bot_sensor1.png^signs_bot_sensor_node_on.png",
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"signs_bot_sensor1.png",
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"signs_bot_sensor1.png^[transformFXR90",
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"signs_bot_sensor1.png^[transformFXR90",
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"signs_bot_sensor1.png^[transformFXR90",
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"signs_bot_sensor1.png^[transformFXR180",
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},
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on_timer = node_timer,
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update_infotext = update_infotext,
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on_receive_fields = on_receive_fields,
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on_rotate = screwdriver.disallow,
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paramtype = "light",
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sunlight_propagates = true,
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paramtype2 = "facedir",
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is_ground_content = false,
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drop = "signs_bot:node_sensor",
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groups = {sign_bot_sensor = 1, cracky = 1, not_in_creative_inventory = 1},
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sounds = default.node_sound_metal_defaults(),
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})
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minetest.register_craft({
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output = "signs_bot:node_sensor",
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recipe = {
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{"", "", ""},
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{"dye:black", "group:stone", "dye:grey"},
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{"default:steel_ingot", "default:mese_crystal_fragment", "default:steel_ingot"}
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}
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})
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minetest.register_lbm({
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label = "[signs_bot] Restart timer",
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name = "signs_bot:node_sensor_restart",
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nodenames = {"signs_bot:node_sensor", "signs_bot:node_sensor_on"},
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run_at_every_load = true,
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action = function(pos, node)
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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if node.name == "signs_bot:node_sensor_on" then
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signs_bot.send_signal(pos)
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signs_bot.lib.activate_extender_nodes(pos, true)
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end
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end
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})
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if minetest.get_modpath("doc") then
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doc.add_entry("signs_bot", "node_sensor", {
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name = I("Node Sensor"),
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data = {
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item = "signs_bot:node_sensor",
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text = table.concat({
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I("The node sensor sends cyclical signals when it detects that nodes have appeared or disappeared,"),
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I("but has to be configured accordingly."),
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I("Valid nodes are all kind of blocks and plants."),
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I("The sensor range is 3 nodes/meters in one direction."),
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I("The sensor has an active side (red) that must point to the observed area."),
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}, "\n")
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},
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})
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end
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