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path: root/examples/jarvis.js
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// A bot which responds to `jarvis` with a box

const Space = require('../space');
const Socket = require('../socket');
const tilekeys = require('../utils/tilekeys');
const ms = require('../utils/measurespace');
const vec = require('../utils/vec');
const comb = require('../utils/comb');
const Search = require('../tools/search');
const Queue = require('../tools/queue');
const ri = require('../utils/rectintersect');

var main = new Socket();

main.on('open', ()=>{ // Tries to identify itself with a cursor movement
  console.log('socket opened');
  let coords = [Math.floor(Math.random()*100000+16),Math.floor(Math.random()*100000+16)];
  main.cursor(coords);
  main.on('cursor',detect);
  function detect(pos, send){
    if (vec.equals(pos[0],coords)){
      main.off('cursor', detect);
      identity(send);
    }
  }
});

main.on('close', ()=>{
  writes.disable()
});

var sender; // Global variable that holds identity()'s `send` for tileHandler
var initialized = false;

function identity(send){
  sender = send;
  console.log('identity activated');
  if (! initialized){
    initialized = true;
    initOnce();
  }
  init();
  main.on('tileUpdate', tileHandler);
}

function init(){
  writes.enable();
}

function initOnce(){
  timect();
}

function tileHandler(send, source, tiles){
  if (send == sender) return;
  let locs = tilekeys(tiles);
  let tilespaces = {};
  for (let i=0; i<locs.length; i++){
    let loc = locs[i];
    tilespaces[loc] = new Space();
    tilespaces[loc].fromfetch(tiles, [loc, loc], conform=false);
  }
  [protectArea, detectPrompt].forEach(func => {
    func(send, tilespaces, locs);
  });
}

notifsrc = '\
                           \n\
  For a node.js YWOT api:                    \n\
&   http://github.com/feynmansfedora/ywot-clean \n\
&   Try `jarvis` today. Uptime: UPTIME          \n\
                                                '
var minsUp = 0;
var ctrl;
function notifRefresh(){
  let newnotif = new Space();
  newnotif.loc = [-6, 20];
  newnotif.adhoc(notifsrc.replace('UPTIME', Math.floor(minsUp/60) + 'h' + minsUp%60 + 'm'));
  let diff = newnotif.copy();
  if (typeof notif !== 'undefined') diff.comb(notif, comb.sub);
  notif = newnotif;
  writes.enqueue(...diff.towrite());
  ctrl = ms(notif);
}

function timect(){
  minsUp++;
  notifRefresh();
  setTimeout(timect, 60*1000);
}

function protectArea(send, tiles, locs){
  let tilesize = [8, 16]; // This may be exportable to an external util/tool
  for (loc of locs){
    let tile = tiles[loc];
    let origloc = loc;
    loc = vec.tileToChar(loc);
    if (ri(ctrl, [loc, vec.add(loc, tilesize)])){
      // Write diffs from the tile
      let inter = notif.copy(); // Acts as a window for tile (only see relevant data)
      inter.comb(tile, comb.unmask);
      let diff = notif.copy(); // Actually diffs notify with the errant text
      diff.comb(inter, comb.sub);
      writes.enqueue(...diff.towrite())
      // Mask the tile
      let newtile = notif.copy();
      newtile.comb(tile, comb.mask);
      tiles[origloc] = newtile;
    }
  }
}

var search = new Space();
search.adhoc('jarvis'); // The search space is the word jarvis, so whenever that's caught, a relevant function can be called.
var read = new Search(search);
var expire = {};

function detectPrompt(send, tiles, locs){ // tries to detect the prompt ('jarvis') and calls respond if found.
  for (let i=0; i<locs.length; i++){
    let loc = locs[i];
    if (read.has(loc)){
      clearTimeout(expire[loc]);
      delete expire[loc];
      read.del(loc);
    }
    let results = read.add(loc, tiles[loc]);
    if (results.length > 0) respond(results);
    expire[loc] = setTimeout(() => {read.del(loc)}, 30000);
  }
}

let response = new Space();
response.adhoc('yes, my liege');

let writes = new Queue(1000, 200, (elems) => main.write(elems));

function respond(coord){
  console.log('called at', coord);
  response.loc = coord;
  writes.enqueue(...response.towrite());
  read.update(response);
}