335 lines
9.1 KiB
Lua
335 lines
9.1 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2017-2022 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
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TA4 Sequencer
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]]--
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-- for lazy programmers
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local M = minetest.get_meta
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local S = techage.S
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local logic = techage.logic
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local HELP = S("Syntax:\n") ..
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S("'[<num>] <command>'\n") ..
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S("\n") ..
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S("<num> is a number from 1 to 50000 and is\n") ..
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S("the timeslot when the command is executed.\n") ..
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S(" - 1 corresponds to 100 ms\n") ..
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S(" - 50000 corresponds to 4 game days\n") ..
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S("\n") ..
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S("<command> is one of the following:\n") ..
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S(" - 'send <node num> <cmnd>' (techage command)\n") ..
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S(" - 'goto <num>' (jump to another line)\n") ..
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S(" - 'stop' (stop the execution)\n") ..
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S(" - 'nop' (do nothing)\n") ..
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S("\n") ..
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S("Example:\n") ..
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" -- move controller commands\n" ..
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" [1] send 1234 a2b\n" ..
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" [30] send 1234 b2a\n" ..
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" [60] goto 1 -- keep going"
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local function strsplit(text)
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text = text:gsub("\r\n", "\n")
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text = text:gsub("\r", "\n")
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return string.split(text, "\n", true)
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end
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local function trim(s)
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return (s:gsub("^%s*(.-)%s*$", "%1"))
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end
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local function command(s)
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local num, cmd, pld = unpack(string.split(s, " ", false, 2))
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if not num or not cmd then
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return S("Invalid command!")
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end
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return {number = num, cmnd = cmd, payload = pld}
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end
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local function add_error(text, line_num)
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local tbl = {}
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for idx, line in ipairs(strsplit(text)) do
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if idx == line_num and not string.find(line, '--<<== error') then
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tbl[#tbl+1] = line.." --<<== error"
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else
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tbl[#tbl+1] = line
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end
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end
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return table.concat(tbl, "\n")
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end
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local function exception(tRes, line, s)
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if tRes then
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tRes.line = line
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tRes.error = s
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end
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end
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local function compile(s, tRes)
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local tCode = {}
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local old_idx = 0
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local start_idx
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for i, line in ipairs(strsplit(s)) do
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line = trim(line)
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line = string.split(line, "--", true, 1)[1] or ""
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if line ~= "" then
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local idx, cmnd1, cmnd2 = unpack(string.split(line, " ", false, 2))
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idx = tonumber(string.match(idx, "^%[(%d+)%]$"))
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if not idx then
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return exception(tRes, i, "Syntax error!")
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end
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if idx > 50000 then
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return exception(tRes, i, "Order error!")
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end
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if idx <= old_idx then
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return exception(tRes, i, "Order error!")
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end
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start_idx = start_idx or idx
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if old_idx ~= 0 and tCode[old_idx] and not tCode[old_idx].next_idx then
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tCode[old_idx].next_idx = idx
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end
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if cmnd1 == "send" then
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local res = command(cmnd2)
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if type(res) == "string" then
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return exception(tRes, i, res)
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end
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tCode[idx] = res
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elseif cmnd1 == "goto" then
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tCode[idx] = {next_idx = tonumber(cmnd2) or 1}
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elseif cmnd1 == "stop" then
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tCode[idx] = false
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elseif cmnd1 == nil or cmnd1 == "nop" then
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tCode[idx] = {}
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end
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old_idx = idx
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end
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end
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-- Returns:
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-- {
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-- start_idx = 1,
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-- tCode = {
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-- <idx> = {number = <number>, cmnd = <string>, payload = <data>, next_idx = <idx>},
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-- ...
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-- },
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-- }
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return {start_idx=start_idx, tCode=tCode}
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end
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local function check_syntax(meta)
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local tRes = {}
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local res = compile(meta:get_string("text"), tRes)
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if not res then
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meta:set_string("err_msg", tRes.error)
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meta:set_string("text", add_error(meta:get_string("text"), tRes.line))
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return false
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else
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meta:set_string("err_msg", "")
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return true
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end
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end
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local function formspec(nvm, meta)
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local text = meta:get_string("text")
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text = minetest.formspec_escape(text)
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local bttn = nvm.running and ("stop;" .. S("Stop")) or ("start;" .. S("Start"))
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local style = nvm.running and "style_type[textarea;font=mono;textcolor=#888888;border=false]" or
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"style_type[textarea;font=mono;textcolor=#FFFFFF;border=false]"
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local textarea = nvm.running and "textarea[0.3,0.2;10,8.3;;;"..text.."]" or
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"textarea[0.3,0.2;10,8.3;text;;"..text.."]"
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return "size[10,8]" ..
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style ..
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"tabheader[0,0;tab;edit,help;1;;true]" ..
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"label[0.1,-0.2;" .. S("Commands") .. ":]" ..
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textarea ..
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"background[0.1,0.3;9.8,7.0;techage_form_mask.png]" ..
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"label[0.1,7.5;" .. meta:get_string("err_msg") .. "]" ..
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"button_exit[3.4,7.5;2.2,1;cancel;" .. S("Cancel") .. "]" ..
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"button[5.6,7.5;2.2,1;save;" .. S("Save") .. "]" ..
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"button[7.8,7.5;2.2,1;" .. bttn .. "]"
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end
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local function formspec_help(meta)
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local text = "" --minetest.formspec_escape("hepl")
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return "size[10,8]"..
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"style_type[textarea;font=mono;textcolor=#FFFFFF;border=false]"..
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"tabheader[0,0;tab;edit,help;2;;true]"..
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"textarea[0.3,0.3;10,9;;" .. S("Help") .. ":;"..minetest.formspec_escape(HELP).."]" ..
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"background[0.1,0.3;9.8,8.0;techage_form_mask.png]"
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end
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local function restart_timer(pos, time)
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local timer = minetest.get_node_timer(pos)
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if timer:is_started() then
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timer:stop()
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end
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timer:start(time / 10)
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end
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local function node_timer(pos, elapsed)
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local nvm = techage.get_nvm(pos)
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if nvm.running then
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local mem = techage.get_mem(pos)
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mem.code = mem.code or compile(M(pos):get_string("text"))
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if mem.code then
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mem.idx = mem.idx or mem.code.start_idx
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local code = mem.code.tCode[mem.idx]
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if code and code.cmnd then
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local src = M(pos):get_string("node_number")
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techage.counting_start(M(pos):get_string("owner"))
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techage.send_single(src, code.number, code.cmnd, code.payload)
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techage.counting_stop()
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end
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if code and code.next_idx then
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local offs = code.next_idx - mem.idx
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minetest.after(0, restart_timer, pos, math.max(offs, 1))
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mem.idx = code.next_idx
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else
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nvm.running = false
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local meta = M(pos)
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meta:set_string("formspec", formspec(nvm, meta))
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logic.infotext(meta, S("TA4 Sequencer"), S("stopped"))
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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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local function on_receive_fields(pos, formname, fields, player)
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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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local meta = M(pos)
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local nvm = techage.get_nvm(pos)
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local mem = techage.get_mem(pos)
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nvm.running = nvm.running or false
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if fields.stop then
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nvm.running = false
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minetest.get_node_timer(pos):stop()
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logic.infotext(meta, S("TA4 Sequencer"), S("stopped"))
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elseif not nvm.running then
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if fields.tab == "2" then
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meta:set_string("formspec", formspec_help(meta))
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return
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elseif fields.tab == "1" then
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meta:set_string("formspec", formspec(nvm, meta))
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return
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end
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if fields.save then
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nvm.running = false
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meta:set_string("text", fields.text or "")
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mem.code = nil
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mem.idx = nil
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elseif fields.start then
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if check_syntax(meta) then
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nvm.running = true
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meta:set_string("text", fields.text or "")
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mem.code = nil
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mem.idx = nil
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minetest.get_node_timer(pos):start(0.5)
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logic.infotext(meta, S("TA4 Sequencer"), S("running"))
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end
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end
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end
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meta:set_string("formspec", formspec(nvm, meta))
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end
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minetest.register_node("techage:ta4_sequencer", {
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description = S("TA4 Sequencer"),
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tiles = {
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-- up, down, right, left, back, front
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"techage_filling_ta4.png^techage_frame_ta4_top.png",
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"techage_filling_ta4.png^techage_frame_ta4_top.png",
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"techage_filling_ta4.png^techage_frame_ta4.png^techage_appl_sequencer.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 nvm = techage.get_nvm(pos)
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logic.after_place_node(pos, placer, "techage:ta4_sequencer", S("TA4 Sequencer"))
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logic.infotext(meta, S("TA4 Sequencer"), S("stopped"))
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nvm.running = false
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meta:set_string("formspec", formspec(nvm, meta))
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end,
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on_receive_fields = on_receive_fields,
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after_dig_node = function(pos, oldnode, oldmetadata)
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techage.remove_node(pos, oldnode, oldmetadata)
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techage.del_mem(pos)
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end,
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on_timer = node_timer,
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paramtype2 = "facedir",
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groups = {choppy=2, cracky=2, crumbly=2},
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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})
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minetest.register_craft({
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output = "techage:ta4_sequencer",
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recipe = {
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{"default:steel_ingot", "dye:blue", "default:steel_ingot"},
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{"techage:ta4_ramchip", "default:mese_crystal", "techage:ta4_wlanchip"},
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{"techage:aluminum", "group:wood", "techage:aluminum"},
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},
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})
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local INFO = [[Commands: 'goto <num>', 'stop', 'on', 'off']]
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techage.register_node({"techage:ta4_sequencer"}, {
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on_recv_message = function(pos, src, topic, payload)
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local nvm = techage.get_nvm(pos)
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if (topic == "goto" or topic == "on") and not nvm.running then
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local mem = techage.get_mem(pos)
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nvm.running = true
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mem.idx = tonumber(payload or 1) or 1
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restart_timer(pos, 0.1)
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logic.infotext(M(pos), S("TA4 Sequencer"), S("running"))
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elseif topic == "stop" or topic == "off" then
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nvm.running = false
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minetest.get_node_timer(pos):stop()
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logic.infotext(M(pos), S("TA4 Sequencer"), S("stopped"))
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elseif topic == "info" then
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return INFO
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else
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return "unsupported"
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end
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end,
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on_beduino_receive_cmnd = function(pos, src, topic, payload)
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local nvm = techage.get_nvm(pos)
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if topic == 13 then
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if payload[1] ~= 0 and not nvm.running then
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local mem = techage.get_mem(pos)
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nvm.running = true
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mem.idx = tonumber(payload or 1) or 1
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restart_timer(pos, 0.1)
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logic.infotext(M(pos), S("TA4 Sequencer"), S("running"))
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return 0
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elseif payload[1] == 0 then
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nvm.running = false
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minetest.get_node_timer(pos):stop()
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logic.infotext(M(pos), S("TA4 Sequencer"), S("stopped"))
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return 0
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end
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end
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return 2
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end,
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})
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