techpack/tubelib_addons2/sequencer.lua
2018-08-15 20:21:51 +02:00

264 lines
7.7 KiB
Lua

--[[
Tubelib Addons 2
================
Copyright (C) 2017 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
sequencer.lua:
]]--
local RUNNING_STATE = 1
local STOP_STATE = 0
local NUM_SLOTS = 8
local sAction = ",on,off"
local kvAction = {[""]=1, ["on"]=2, ["off"]=3}
local tAction = {nil, "on", "off"}
local function formspec(state, rules, endless)
endless = endless == 1 and "true" or "false"
local tbl = {"size[8,9.2]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"label[0,0;Number(s)]label[2.1,0;Command]label[6.4,0;Offset/s]"}
for idx, rule in ipairs(rules or {}) do
tbl[#tbl+1] = "field[0.2,"..(-0.2+idx)..";2,1;num"..idx..";;"..(rule.num or "").."]"
tbl[#tbl+1] = "dropdown[2,"..(-0.4+idx)..";3.9,1;act"..idx..";"..sAction..";"..(rule.act or "").."]"
tbl[#tbl+1] = "field[6.2,"..(-0.2+idx)..";2,1;offs"..idx..";;"..(rule.offs or "").."]"
end
tbl[#tbl+1] = "checkbox[0,8.5;endless;Run endless;"..endless.."]"
tbl[#tbl+1] = "image_button[5,8.5;1,1;".. tubelib.state_button(state) ..";button;]"
tbl[#tbl+1] = "button[6.2,8.5;1.5,1;help;help]"
return table.concat(tbl)
end
local function formspec_help()
return "size[8,9.2]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"label[2,0;Sequencer Help]"..
"label[0,1;Define a sequence of commands\nto control other machines.]"..
"label[0,2.2;Numbers(s) are the node numbers,\nthe command shall sent to.]"..
"label[0,3.4;The commands 'on'/'off' are used\n for machines and other nodes.]"..
"label[0,4.6;Offset is the time to the\nnext line in seconds (1..999).]"..
"label[0,5.8;If endless is set, the Sequencer\nrestarts again and again.]"..
"label[0,7;The command ' ' does nothing,\nonly consuming the offset time.]"..
"button[3,8;2,1;exit;close]"
end
local function stop_the_sequencer(pos)
local node = minetest.get_node(pos)
local meta = minetest.get_meta(pos)
local number = meta:get_string("number")
meta:set_int("running", STOP_STATE)
meta:set_string("infotext", "Tubelib Sequencer "..number..": stopped")
local rules = minetest.deserialize(meta:get_string("rules"))
local endless = meta:get_int("endless") or 0
meta:set_string("formspec", formspec(tubelib.STOPPED, rules, endless))
minetest.get_node_timer(pos):stop()
return false
end
local function get_next_slot(idx, rules, endless)
idx = idx + 1
if idx <= #rules and rules[idx].offs ~= "" and rules[idx].num ~= "" then
return idx
elseif endless == 1 then
return 1
end
return nil
end
local function restart_timer(pos, time)
local timer = minetest.get_node_timer(pos)
if timer:is_started() then
timer:stop()
end
if type(time) == "number" then
timer:start(time)
end
end
local function check_rules(pos, elapsed)
local meta = minetest.get_meta(pos)
local rules = minetest.deserialize(meta:get_string("rules"))
if rules then
local running = meta:get_int("running")
local index = meta:get_int("index") or 1
local number = meta:get_string("number")
local endless = meta:get_int("endless") or 0
local placer_name = meta:get_string("placer_name")
while true do -- process all rules as long as offs == 0
local rule = rules[index]
local offs = rules[index].offs
if type(offs) == "string" then
offs = 0
end
tubelib.send_message(rule.num, placer_name, nil, tAction[rule.act], number)
index = get_next_slot(index, rules, endless)
if index ~= nil and offs ~= nil and running == 1 then
-- after the last rule a pause with 1 or more sec is required
if index == 1 and offs < 1 then
offs = 1
end
meta:set_string("infotext", "Tubelib Sequencer "..number..": running ("..index.."/"..NUM_SLOTS..")")
meta:set_int("index", index)
if offs > 0 then
minetest.after(0, restart_timer, pos, offs)
return false
end
else
return stop_the_sequencer(pos)
end
end
end
return false
end
local function start_the_sequencer(pos)
local node = minetest.get_node(pos)
local meta = minetest.get_meta(pos)
local number = meta:get_string("number")
meta:set_int("running", 1)
meta:set_int("index", 1)
meta:set_string("infotext", "Tubelib Sequencer "..number..": running (1/"..NUM_SLOTS..")")
local rules = minetest.deserialize(meta:get_string("rules"))
local endless = meta:get_int("endless") or 0
meta:set_string("formspec", formspec(tubelib.RUNNING, rules, endless))
minetest.get_node_timer(pos):start(0.1)
return false
end
local function on_receive_fields(pos, formname, fields, player)
local meta = minetest.get_meta(pos)
local running = meta:get_int("running")
if minetest.is_protected(pos, player:get_player_name()) then
return
end
if fields.help ~= nil then
meta:set_string("formspec", formspec_help())
return
end
local endless = meta:get_int("endless") or 0
if fields.endless ~= nil then
endless = fields.endless == "true" and 1 or 0
meta:set_int("index", 1)
end
meta:set_int("endless", endless)
local rules = minetest.deserialize(meta:get_string("rules"))
if fields.exit ~= nil then
meta:set_string("formspec", formspec(tubelib.state(running), rules, endless))
return
end
for idx = 1,NUM_SLOTS do
if fields["offs"..idx] ~= nil then
rules[idx].offs = tonumber(fields["offs"..idx]) or ""
end
if fields["num"..idx] ~= nil and tubelib.check_numbers(fields["num"..idx]) then
rules[idx].num = fields["num"..idx]
end
if fields["act"..idx] ~= nil then
rules[idx].act = kvAction[fields["act"..idx]]
end
end
meta:set_string("rules", minetest.serialize(rules))
if fields.button ~= nil then
if running > STOP_STATE then
stop_the_sequencer(pos)
else
start_the_sequencer(pos)
end
elseif fields.num1 ~= nil then -- any other change?
stop_the_sequencer(pos)
else
local endless = meta:get_int("endless") or 0
meta:set_string("formspec", formspec(tubelib.state(running), rules, endless))
end
end
minetest.register_node("tubelib_addons2:sequencer", {
description = "Tubelib Sequencer",
tiles = {
-- up, down, right, left, back, front
'tubelib_front.png',
'tubelib_front.png',
'tubelib_front.png^tubelib_addons2_sequencer.png',
},
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
local number = tubelib.add_node(pos, "tubelib_addons2:sequencer")
local rules = {}
for idx = 1,NUM_SLOTS do
rules[idx] = {offs = "", num = "", act = 1}
end
meta:set_string("placer_name", placer:get_player_name())
meta:set_string("rules", minetest.serialize(rules))
meta:set_string("number", number)
meta:set_int("index", 1)
meta:set_int("endless", 0)
meta:get_int("running", STOP_STATE)
meta:set_string("formspec", formspec(tubelib.STOPPED, rules, 0))
meta:set_string("infotext", "Tubelib Sequencer "..number)
end,
on_receive_fields = on_receive_fields,
on_dig = function(pos, node, puncher, pointed_thing)
if minetest.is_protected(pos, puncher:get_player_name()) then
return
end
local meta = minetest.get_meta(pos)
local running = meta:get_int("running")
if running ~= 1 then
minetest.node_dig(pos, node, puncher, pointed_thing)
tubelib.remove_node(pos)
end
end,
on_timer = check_rules,
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 = "tubelib_addons2:sequencer",
recipe = {
{"group:wood", "group:wood", ""},
{"default:mese_crystal", "tubelib:wlanchip", ""},
{"group:wood", "group:wood", ""},
},
})
tubelib.register_node("tubelib_addons2:sequencer", {}, {
on_recv_message = function(pos, topic, payload)
local node = minetest.get_node(pos)
if topic == "on" then
start_the_sequencer(pos)
elseif topic == "off" then
-- do not stop immediately
local meta = minetest.get_meta(pos)
meta:set_int("endless", 0)
end
end,
})