client/src/views/Analyze.vue

   1 <template lang="pug">
   2 .row
   3   .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
   4     input#modalAbort.modal(type="checkbox")
   5     div(role="dialog" aria-labelledby="abortBoxTitle")
   6       .card.smallpad.small-modal.text-center
   7         label.modal-close(for="modalAbort")
   8         h3#abortBoxTitle.section {{ st.tr["Terminate game?"] }}
   9         button(@click="abortGame") {{ st.tr["Sorry I have to go"] }}
  10         button(@click="abortGame") {{ st.tr["Game seems over"] }}
  11         button(@click="abortGame") {{ st.tr["Opponent is gone"] }}
  12     BaseGame(:game="game" :vr="vr" ref="basegame"
  13       @newmove="processMove" @gameover="gameOver")
  14     div Names: {{ game.players[0].name }} - {{ game.players[1].name }}
  15     div(v-if="game.score=='*'") Time: {{ virtualClocks[0] }} - {{ virtualClocks[1] }}
  16     .button-group(v-if="game.mode!='analyze' && game.score=='*'")
  17       button(@click="offerDraw") Draw
  18       button(@click="() => abortGame()") Abort
  19       button(@click="resign") Resign
  20     textarea(v-if="game.score=='*'" v-model="corrMsg")
  21     Chat(:players="game.players")
  22 </template>
  23
  24 <script>
  25 import BaseGame from "@/components/BaseGame.vue";
  26 import Chat from "@/components/Chat.vue";
  27 import { store } from "@/store";
  28 import { GameStorage } from "@/utils/gameStorage";
  29 import { ppt } from "@/utils/datetime";
  30 import { extractTime } from "@/utils/timeControl";
  31 import { ArrayFun } from "@/utils/array";
  32
  33 export default {
  34   name: 'my-game',
  35   components: {
  36     BaseGame,
  37     Chat,
  38   },
  39   // gameRef: to find the game in (potentially remote) storage
  40   data: function() {
  41     return {
  42       st: store.state,
  43       gameRef: { //given in URL (rid = remote ID)
  44         id: "",
  45         rid: ""
  46       },
  47       game: {players:[{name:""},{name:""}]}, //passed to BaseGame
  48       corrMsg: "", //to send offline messages in corr games
  49       virtualClocks: [0, 0], //initialized with true game.clocks
  50       vr: null, //"variant rules" object initialized from FEN
  51       drawOffer: "", //TODO: use for button style
  52       people: [], //players + observers
  53     };
  54   },
  55   watch: {
  56     "$route": function(to, from) {
  57       this.gameRef.id = to.params["id"];
  58       this.gameRef.rid = to.query["rid"];
  59       this.loadGame();
  60     },
  61     "game.clocks": function(newState) {
  62       if (this.game.moves.length < 2)
  63       {
  64         // 1st move not completed yet: freeze time
  65         this.virtualClocks = newState.map(s => ppt(s));
  66         return;
  67       }
  68       const currentTurn = this.vr.turn;
  69       const colorIdx = ["w","b"].indexOf(currentTurn);
  70       let countdown = newState[colorIdx] -
  71         (Date.now() - this.game.initime[colorIdx])/1000;
  72       this.virtualClocks = [0,1].map(i => {
  73         const removeTime = i == colorIdx
  74           ? (Date.now() - this.game.initime[colorIdx])/1000
  75           : 0;
  76         return ppt(newState[i] - removeTime);
  77       });
  78       let clockUpdate = setInterval(() => {
  79         if (countdown < 0 || this.vr.turn != currentTurn || this.game.score != "*")
  80         {
  81           clearInterval(clockUpdate);
  82           if (countdown < 0)
  83           {
  84             this.$refs["basegame"].endGame(
  85               this.vr.turn=="w" ? "0-1" : "1-0", "Time");
  86           }
  87         }
  88         else
  89         {
  90           // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
  91           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
  92         }
  93       }, 1000);
  94     },
  95   },
  96   // TODO: redundant code with Hall.vue (related to people array)
  97   created: function() {
  98     // Always add myself to players' list
  99     const my = this.st.user;
 100     this.people.push({sid:my.sid, id:my.id, name:my.name});
 101     this.gameRef.id = this.$route.params["id"];
 102     this.gameRef.rid = this.$route.query["rid"]; //may be undefined
 103     if (!this.gameRef.rid)
 104       this.loadGame(); //local or corr: can load from now
 105     // 0.1] Ask server for room composition:
 106     const initialize = () => {
 107       // Poll clients + load game if stored remotely
 108       this.st.conn.send(JSON.stringify({code:"pollclients"}));
 109       if (!!this.gameRef.rid)
 110         this.loadGame();
 111     };
 112     if (!!this.st.conn && this.st.conn.readyState == 1) //1 == OPEN state
 113       initialize();
 114     else //socket not ready yet (initial loading)
 115       this.st.conn.onopen = initialize;
 116     this.st.conn.onmessage = this.socketMessageListener;
 117     const socketCloseListener = () => {
 118       store.socketCloseListener(); //reinitialize connexion (in store.js)
 119       this.st.conn.addEventListener('message', this.socketMessageListener);
 120       this.st.conn.addEventListener('close', socketCloseListener);
 121     };
 122     this.st.conn.onclose = socketCloseListener;
 123   },
 124   methods: {
 125     getOppSid: function() {
 126       if (!!this.game.oppsid)
 127         return this.game.oppsid;
 128       const opponent = this.people.find(p => p.id == this.game.oppid);
 129       return (!!opponent ? opponent.sid : null);
 130     },
 131     socketMessageListener: function(msg) {
 132       const data = JSON.parse(msg.data);
 133       switch (data.code)
 134       {
 135         // 0.2] Receive clients list (just socket IDs)
 136         case "pollclients":
 137         {
 138           data.sockIds.forEach(sid => {
 139             this.people.push({sid:sid, id:0, name:""});
 140             // Ask only identity
 141             this.st.conn.send(JSON.stringify({code:"askidentity", target:sid}));
 142           });
 143           break;
 144         }
 145         case "askidentity":
 146         {
 147           // Request for identification: reply if I'm not anonymous
 148           if (this.st.user.id > 0)
 149           {
 150             this.st.conn.send(JSON.stringify(
 151               // people[0] instead of st.user to avoid sending email
 152               {code:"identity", user:this.people[0], target:data.from}));
 153           }
 154           break;
 155         }
 156         case "identity":
 157         {
 158           let player = this.people.find(p => p.sid == data.user.sid);
 159           // NOTE: sometimes player.id fails because player is undefined...
 160           // Probably because the event was meant for Hall?
 161           if (!player)
 162             return;
 163           player.id = data.user.id;
 164           player.name = data.user.name;
 165           // Sending last state only for live games: corr games are complete
 166           if (this.game.type == "live" && this.game.oppsid == player.sid)
 167           {
 168             // Send our "last state" informations to opponent
 169             const L = this.game.moves.length;
 170             this.st.conn.send(JSON.stringify({
 171               code: "lastate",
 172               target: player.sid,
 173               state:
 174               {
 175                 lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 176                 score: this.game.score,
 177                 movesCount: L,
 178                 drawOffer: this.drawOffer,
 179                 clocks: this.game.clocks,
 180               }
 181             }));
 182           }
 183           break;
 184         }
 185         case "askgame":
 186           // Send current (live) game
 187           const myGame =
 188           {
 189             // Minimal game informations:
 190             id: this.game.id,
 191             players: this.game.players.map(p => { return {name:p.name}; }),
 192             vid: this.game.vid,
 193             timeControl: this.game.timeControl,
 194           };
 195           this.st.conn.send(JSON.stringify({code:"game",
 196             game:myGame, target:data.from}));
 197           break;
 198         case "newmove":
 199           // NOTE: this call to play() will trigger processMove()
 200           this.$refs["basegame"].play(data.move,
 201             "receive", this.game.vname!="Dark" ? "animate" : null);
 202           break;
 203         case "lastate": //got opponent infos about last move
 204         {
 205           const L = this.game.moves.length;
 206           if (data.movesCount > L)
 207           {
 208             // Just got last move from him
 209             this.$refs["basegame"].play(data.lastMove,
 210               "receive", this.game.vname!="Dark" ? "animate" : null);
 211             if (data.score != "*" && this.game.score == "*")
 212             {
 213               // Opponent resigned or aborted game, or accepted draw offer
 214               // (this is not a stalemate or checkmate)
 215               this.$refs["basegame"].endGame(data.score, "Opponent action");
 216             }
 217             this.game.clocks = data.clocks; //TODO: check this?
 218             this.drawOffer = data.drawOffer; //does opponent offer draw?
 219           }
 220           break;
 221         }
 222         case "resign":
 223           this.$refs["basegame"].endGame(
 224             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 225           break;
 226         case "abort":
 227           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 228           break;
 229         case "draw":
 230           this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 231           break;
 232         case "drawoffer":
 233           this.drawOffer = "received";
 234           break;
 235         case "askfullgame":
 236           // TODO: use data.id to retrieve game in indexedDB (but for now only one running game so OK)
 237           this.st.conn.send(JSON.stringify({code:"fullgame", game:this.game, target:data.from}));
 238           break;
 239         case "fullgame":
 240           this.loadGame(data.game);
 241           break;
 242         // TODO: drawaccepted (click draw button before sending move
 243         // ==> draw offer in move)
 244         // ==> on "newmove", check "drawOffer" field
 245         case "connect":
 246         {
 247           this.people.push({name:"", id:0, sid:data.from});
 248           this.st.conn.send(JSON.stringify({code:"askidentity", target:data.from}));
 249           break;
 250         }
 251         case "disconnect":
 252           ArrayFun.remove(this.people, p => p.sid == data.from);
 253           break;
 254       }
 255     },
 256     offerDraw: function() {
 257       // TODO: also for corr games
 258       if (this.drawOffer == "received")
 259       {
 260         if (!confirm("Accept draw?"))
 261           return;
 262         const oppsid = this.getOppSid();
 263         if (!!oppsid)
 264           this.st.conn.send(JSON.stringify({code:"draw", target:oppsid}));
 265         this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 266       }
 267       else if (this.drawOffer == "sent")
 268         this.drawOffer = "";
 269       else
 270       {
 271         if (!confirm("Offer draw?"))
 272           return;
 273         const oppsid = this.getOppSid();
 274         if (!!oppsid)
 275           this.st.conn.send(JSON.stringify({code:"drawoffer", target:oppsid}));
 276       }
 277     },
 278     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 279     receiveDrawOffer: function() {
 280       //if (...)
 281       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 282       // if accept: send message "draw"
 283     },
 284     abortGame: function(event) {
 285       let modalBox = document.getElementById("modalAbort");
 286       if (!event)
 287       {
 288         // First call show options:
 289         modalBox.checked = true;
 290       }
 291       else
 292       {
 293         modalBox.checked = false; //decision made: box disappear
 294         const message = event.target.innerText;
 295         // Next line will trigger a "gameover" event, bubbling up till here
 296         this.$refs["basegame"].endGame("?", "Abort: " + message);
 297         const oppsid = this.getOppSid();
 298         if (!!oppsid)
 299         {
 300           this.st.conn.send(JSON.stringify({
 301             code: "abort",
 302             msg: message,
 303             target: oppsid,
 304           }));
 305         }
 306       }
 307     },
 308     resign: function(e) {
 309       if (!confirm("Resign the game?"))
 310         return;
 311       const oppsid = this.getOppSid();
 312       if (!!oppsid)
 313       {
 314         this.st.conn.send(JSON.stringify({
 315           code: "resign",
 316           target: oppsid,
 317         }));
 318       }
 319       // Next line will trigger a "gameover" event, bubbling up till here
 320       this.$refs["basegame"].endGame(
 321         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 322     },
 323     // 3 cases for loading a game:
 324     //  - from indexedDB (running or completed live game I play)
 325     //  - from server (one correspondance game I play[ed] or not)
 326     //  - from remote peer (one live game I don't play, finished or not)
 327     loadGame: function(game) {
 328       const afterRetrieval = async (game) => {
 329         const vModule = await import("@/variants/" + game.vname + ".js");
 330         window.V = vModule.VariantRules;
 331         this.vr = new V(game.fen);
 332         const gtype = (game.timeControl.indexOf('d') >= 0 ? "corr" : "live");
 333         const tc = extractTime(game.timeControl);
 334         if (gtype == "corr")
 335         {
 336           if (game.players[0].color == "b")
 337           {
 338             // Adopt the same convention for live and corr games: [0] = white
 339             [ game.players[0], game.players[1] ] =
 340               [ game.players[1], game.players[0] ];
 341           }
 342           // corr game: needs to compute the clocks + initime
 343           // NOTE: clocks in seconds, initime in milliseconds
 344           game.clocks = [tc.mainTime, tc.mainTime];
 345           game.initime = [0, 0];
 346           const L = game.moves.length;
 347           game.moves.sort((m1,m2) => m1.idx - m2.idx); //in case of
 348           if (L >= 3)
 349           {
 350             let addTime = [0, 0];
 351             for (let i=2; i<L; i++)
 352             {
 353               addTime[i%2] += tc.increment -
 354                 (game.moves[i].played - game.moves[i-1].played) / 1000;
 355             }
 356             for (let i=0; i<=1; i++)
 357               game.clocks[i] += addTime[i];
 358           }
 359           if (L >= 1)
 360             game.initime[L%2] = game.moves[L-1].played;
 361           // Now that we used idx and played, re-format moves as for live games
 362           game.moves = game.moves.map( (m) => {
 363             const s = m.squares;
 364             return {
 365               appear: s.appear,
 366               vanish: s.vanish,
 367               start: s.start,
 368               end: s.end,
 369               message: m.message,
 370             };
 371           });
 372         }
 373         const myIdx = game.players.findIndex(p => {
 374           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 375         });
 376         if (gtype == "live" && game.clocks[0] < 0) //game unstarted
 377         {
 378           game.clocks = [tc.mainTime, tc.mainTime];
 379           game.initime[0] = Date.now();
 380           if (myIdx >= 0)
 381           {
 382             // I play in this live game; corr games don't have clocks+initime
 383             GameStorage.update(game.id,
 384             {
 385               clocks: game.clocks,
 386               initime: game.initime,
 387             });
 388           }
 389         }
 390         this.game = Object.assign({},
 391           game,
 392           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 393           {
 394             type: gtype,
 395             increment: tc.increment,
 396             mycolor: [undefined,"w","b"][myIdx+1],
 397             // opponent sid not strictly required (or available), but easier
 398             // at least oppsid or oppid is available anyway:
 399             oppsid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
 400             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].uid),
 401           }
 402         );
 403       };
 404       if (!!game)
 405         return afterRetrieval(game);
 406       if (!!this.gameRef.rid)
 407       {
 408         // Remote live game
 409         // (TODO: send game ID as well, and receiver would pick the corresponding
 410         // game in his current games; if allowed to play several)
 411         this.st.conn.send(JSON.stringify(
 412           {code:"askfullgame", target:this.gameRef.rid}));
 413         // (send moves updates + resign/abort/draw actions)
 414       }
 415       else
 416       {
 417         // Local or corr game
 418         GameStorage.get(this.gameRef.id, afterRetrieval);
 419       }
 420     },
 421     // Post-process a move (which was just played)
 422     processMove: function(move) {
 423       if (!this.game.mycolor)
 424         return; //I'm just an observer
 425       // Update storage (corr or live)
 426       const colorIdx = ["w","b"].indexOf(move.color);
 427       // https://stackoverflow.com/a/38750895
 428       const allowed_fields = ["appear", "vanish", "start", "end"];
 429       const filtered_move = Object.keys(move)
 430         .filter(key => allowed_fields.includes(key))
 431         .reduce((obj, key) => {
 432           obj[key] = move[key];
 433           return obj;
 434         }, {});
 435       // Send move ("newmove" event) to people in the room (if our turn)
 436       let addTime = 0;
 437       if (move.color == this.game.mycolor)
 438       {
 439         if (this.game.moves.length >= 2) //after first move
 440         {
 441           const elapsed = Date.now() - this.game.initime[colorIdx];
 442           // elapsed time is measured in milliseconds
 443           addTime = this.game.increment - elapsed/1000;
 444         }
 445         let sendMove = Object.assign({}, filtered_move, {addTime: addTime});
 446         if (this.game.type == "corr")
 447           sendMove.message = this.corrMsg;
 448         const oppsid = this.getOppSid();
 449         this.people.forEach(p => {
 450           if (p.sid != this.st.user.sid)
 451           {
 452             this.st.conn.send(JSON.stringify({
 453               code: "newmove",
 454               target: p.sid,
 455               move: sendMove,
 456             }));
 457           }
 458         });
 459         if (this.game.type == "corr" && this.corrMsg != "")
 460         {
 461           // Add message to last move in BaseGame:
 462           // TODO: not very good style...
 463           this.$refs["basegame"].setCurrentMessage(this.corrMsg);
 464         }
 465       }
 466       else
 467         addTime = move.addTime; //supposed transmitted
 468       const nextIdx = ["w","b"].indexOf(this.vr.turn);
 469       // Since corr games are stored at only one location, update should be
 470       // done only by one player for each move:
 471       if (this.game.type == "live" || move.color == this.game.mycolor)
 472       {
 473         if (this.game.type == "corr")
 474         {
 475           GameStorage.update(this.gameRef.id,
 476           {
 477             fen: move.fen,
 478             move:
 479             {
 480               squares: filtered_move,
 481               message: this.corrMsg,
 482               played: Date.now(), //TODO: on server?
 483               idx: this.game.moves.length,
 484             },
 485           });
 486         }
 487         else //live
 488         {
 489           GameStorage.update(this.gameRef.id,
 490           {
 491             fen: move.fen,
 492             move: filtered_move,
 493             clocks: this.game.clocks.map((t,i) => i==colorIdx
 494               ? this.game.clocks[i] + addTime
 495               : this.game.clocks[i]),
 496             initime: this.game.initime.map((t,i) => i==nextIdx
 497               ? Date.now()
 498               : this.game.initime[i]),
 499           });
 500         }
 501       }
 502       // Also update current game object:
 503       this.game.moves.push(move);
 504       this.game.fen = move.fen;
 505       //TODO: just this.game.clocks[colorIdx] += addTime;
 506       this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
 507       this.game.initime[nextIdx] = Date.now();
 508       // Finally reset curMoveMessage if needed
 509       if (this.game.type == "corr" && move.color == this.game.mycolor)
 510         this.corrMsg = "";
 511     },
 512     gameOver: function(score) {
 513       this.game.mode = "analyze";
 514       this.game.score = score;
 515       const myIdx = this.game.players.findIndex(p => {
 516         return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 517       });
 518       if (myIdx >= 0) //OK, I play in this game
 519         GameStorage.update(this.gameRef.id, { score: score });
 520     },
 521   },
 522 };
 523 </script>
 524
 525 <style lang="sass">
 526 // TODO
 527 </style>