275 lines
6.9 KiB
Lua
275 lines
6.9 KiB
Lua
--[[
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Signs Bot
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=========
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Copyright (C) 2019-2021 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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Signal Delayer.
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Signals are forwarded delayed. Subsequent signals are queued.
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]]--
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-- for lazy programmers
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local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local S2P = minetest.string_to_pos
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local M = minetest.get_meta
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-- Load support for I18n.
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local S = signs_bot.S
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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", S("Signal Delayer: Connected with").." "..P2S(dest_pos).." / "..cmnd)
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end
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local function infotext(pos)
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local meta = M(pos)
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local dest_pos = meta:get_string("signal_pos")
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local signal = meta:get_string("signal_data")
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if dest_pos ~= "" and signal ~= "" then
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update_infotext(pos, S2P(dest_pos), signal)
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end
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end
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local function formspec(meta)
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local label = minetest.formspec_escape(S("Delay time [sec]:"))
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local value = minetest.formspec_escape(meta:get_int("time"))
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return "size[4,3]"..
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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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"field[0.3,1;4,1;time;"..label..";"..value.."]"..
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"button_exit[1,2.2;2,1;start;"..S("Start").."]"
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end
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-- Used by the pairing tool
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local function signs_bot_get_signal(pos, node)
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return "do"
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end
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-- switch to normal or loaded texture
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local function turn_off(pos)
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local mem = tubelib2.get_mem(pos)
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local node = minetest.get_node(pos)
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if mem.queue > 0 then
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node.name = "signs_bot:delayer_loaded"
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else
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node.name = "signs_bot:delayer"
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end
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minetest.swap_node(pos, node)
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end
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-- switch to loaded texture
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local function loaded(pos)
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local node = minetest.get_node(pos)
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if node.name == "signs_bot:delayer" or node.name == "signs_bot:delayer_on" then
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node.name = "signs_bot:delayer_loaded"
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minetest.swap_node(pos, node)
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end
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end
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local function send_signal(pos)
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local meta = M(pos)
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local mem = tubelib2.get_mem(pos)
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local node = minetest.get_node(pos)
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if node.name == "signs_bot:delayer" or node.name == "signs_bot:delayer_loaded" then
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node.name = "signs_bot:delayer_on"
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minetest.swap_node(pos, node)
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minetest.after(2, turn_off, pos)
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end
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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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mem.queue = (mem.queue or 1) - 1
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if mem.queue > 0 then
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mem.time = meta:get_int("time")
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end
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end
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local function node_timer(pos)
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local meta = M(pos)
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local mem = tubelib2.get_mem(pos)
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mem.time = (mem.time or 0) - CYCLE_TIME
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--print("node_timer time="..mem.time..", queue="..mem.queue)
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if mem.time <= 0 and mem.queue > 0 then
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send_signal(pos)
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end
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return mem.queue > 0
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end
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-- To be called from sensors
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local function signs_bot_on_signal(pos, node, signal)
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local meta = M(pos)
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local mem = tubelib2.get_mem(pos)
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mem.queue = mem.queue or 0
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--print("signs_bot_on_signal", signal, meta:get_int("time"))
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if signal ~= "do" or meta:get_int("time") == 0 then return end
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if mem.queue <= 0 then
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mem.queue = 1
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mem.time = meta:get_int("time")
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loaded(pos)
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else
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mem.queue = mem.queue + 1
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end
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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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.key_enter_field == "time" or fields.start then
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local time = tonumber(fields.time)
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if time and time >= 0 and time < 999999 then
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meta:set_int("time", time)
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mem.time = 0
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mem.queue = 0
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end
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end
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meta:set_string("formspec", formspec(meta))
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turn_off(pos)
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end
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minetest.register_node("signs_bot:delayer", {
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description = S("Signal Delayer"),
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inventory_image = "signs_bot_delayer_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_sensor2.png^signs_bot_delayer.png",
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"signs_bot_sensor2.png",
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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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mem.time = 0
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mem.queue = 0
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infotext(pos)
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meta:set_string("formspec", formspec(meta))
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end,
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signs_bot_get_signal = signs_bot_get_signal,
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signs_bot_on_signal = signs_bot_on_signal,
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on_receive_fields = on_receive_fields,
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on_timer = node_timer,
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update_infotext = update_infotext,
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on_rotate = screwdriver.disallow,
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paramtype = "light",
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use_texture_alpha = signs_bot.CLIP,
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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:delayer_loaded", {
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description = S("Signal Delayer"),
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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_sensor2.png^signs_bot_delayer_loaded.png",
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"signs_bot_sensor2.png",
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},
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signs_bot_get_signal = signs_bot_get_signal,
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signs_bot_on_signal = signs_bot_on_signal,
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on_receive_fields = on_receive_fields,
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on_timer = node_timer,
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update_infotext = update_infotext,
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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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use_texture_alpha = signs_bot.CLIP,
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is_ground_content = false,
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diggable = false,
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groups = {sign_bot_sensor = 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_node("signs_bot:delayer_on", {
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description = S("Signal Delayer"),
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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_sensor2.png^signs_bot_delayer_on.png",
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"signs_bot_sensor2.png",
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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_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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use_texture_alpha = signs_bot.CLIP,
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is_ground_content = false,
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diggable = false,
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groups = {sign_bot_sensor = 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:delayer",
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recipe = {
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{"group:wood", "dye:yellow", ""},
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{"default:mese_crystal_fragment", "", ""},
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{"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 delayer",
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name = "signs_bot:delayer_restart",
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nodenames = {"signs_bot:delayer", "signs_bot:delayer_loaded", "signs_bot:delayer_on"},
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run_at_every_load = true,
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action = function(pos, node)
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turn_off(pos)
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local mem = tubelib2.get_mem(pos)
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if mem.time and mem.time > 0 then
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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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", "delayer", {
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name = S("Signal Delayer"),
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data = {
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item = "signs_bot:delayer",
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text = table.concat({
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S("Signals are forwarded delayed. Subsequent signals are queued."),
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S("The delay time can be configured."),
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}, "\n")
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},
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})
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end
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