client/src/views/Game.vue

   1 <template lang="pug">
   2 main
   3   input#modalChat.modal(
   4     type="checkbox"
   5     @click="resetChatColor()"
   6   )
   7   div#chatWrap(
   8     role="dialog"
   9     data-checkbox="modalChat"
  10   )
  11     #chat.card
  12       label.modal-close(for="modalChat")
  13       #participants
  14         span {{ Object.keys(people).length + " " + st.tr["participant(s):"] }}
  15         span(
  16           v-for="p in Object.values(people)"
  17           v-if="p.name"
  18         )
  19           | {{ p.name }}
  20         span.anonymous(v-if="Object.values(people).some(p => !p.name && p.id === 0)")
  21           | + @nonymous
  22       Chat(
  23         :players="game.players"
  24         :pastChats="game.chats"
  25         :newChat="newChat"
  26         @mychat="processChat"
  27         @chatcleared="clearChat"
  28       )
  29   .row
  30     #aboveBoard.col-sm-12.col-md-9.col-md-offset-3.col-lg-10.col-lg-offset-2
  31       span.variant-cadence {{ game.cadence }}
  32       span.variant-name {{ game.vname }}
  33       button#chatBtn(onClick="window.doClick('modalChat')") Chat
  34       #actions(v-if="game.score=='*'")
  35         button(
  36           @click="clickDraw()"
  37           :class="{['draw-' + drawOffer]: true}"
  38         )
  39           | {{ st.tr["Draw"] }}
  40         button(
  41           v-if="!!game.mycolor"
  42           @click="abortGame()"
  43         )
  44           | {{ st.tr["Abort"] }}
  45         button(
  46           v-if="!!game.mycolor"
  47           @click="resign()"
  48         )
  49           | {{ st.tr["Resign"] }}
  50       #playersInfo
  51         p
  52           span.name(:class="{connected: isConnected(0)}")
  53             | {{ game.players[0].name || "@nonymous" }}
  54           span.time(v-if="game.score=='*'") {{ virtualClocks[0] }}
  55           span.split-names -
  56           span.name(:class="{connected: isConnected(1)}")
  57             | {{ game.players[1].name || "@nonymous" }}
  58           span.time(v-if="game.score=='*'") {{ virtualClocks[1] }}
  59   BaseGame(
  60     ref="basegame"
  61     :game="game"
  62     @newmove="processMove"
  63     @gameover="gameOver"
  64   )
  65 </template>
  66
  67 <script>
  68 import BaseGame from "@/components/BaseGame.vue";
  69 import Chat from "@/components/Chat.vue";
  70 import { store } from "@/store";
  71 import { GameStorage } from "@/utils/gameStorage";
  72 import { ppt } from "@/utils/datetime";
  73 import { ajax } from "@/utils/ajax";
  74 import { extractTime } from "@/utils/timeControl";
  75 import { getRandString } from "@/utils/alea";
  76 import { processModalClick } from "@/utils/modalClick";
  77 import { getFullNotation } from "@/utils/notation";
  78 import { playMove, getFilteredMove } from "@/utils/playUndo";
  79 import { getScoreMessage } from "@/utils/scoring";
  80 import { ArrayFun } from "@/utils/array";
  81 import params from "@/parameters";
  82 export default {
  83   name: "my-game",
  84   components: {
  85     BaseGame,
  86     Chat
  87   },
  88   // gameRef: to find the game in (potentially remote) storage
  89   data: function() {
  90     return {
  91       st: store.state,
  92       gameRef: {
  93         // rid = remote (socket) ID
  94         id: "",
  95         rid: ""
  96       },
  97       game: {
  98         // Passed to BaseGame
  99         players: [{ name: "" }, { name: "" }],
 100         chats: [],
 101         rendered: false
 102       },
 103       virtualClocks: [0, 0], //initialized with true game.clocks
 104       vr: null, //"variant rules" object initialized from FEN
 105       drawOffer: "",
 106       people: {}, //players + observers
 107       onMygames: [], //opponents (or me) on "MyGames" page
 108       lastate: undefined, //used if opponent send lastate before game is ready
 109       repeat: {}, //detect position repetition
 110       newChat: "",
 111       conn: null,
 112       roomInitialized: false,
 113       // If newmove has wrong index: ask fullgame again:
 114       fullGamerequested: false,
 115       // If asklastate got no reply, ask again:
 116       gotLastate: false,
 117       gotMoveIdx: -1, //last move index received
 118       // If newmove got no pingback, send again:
 119       opponentGotMove: false,
 120       connexionString: "",
 121       // Related to (killing of) self multi-connects:
 122       newConnect: {},
 123       killed: {}
 124     };
 125   },
 126   watch: {
 127     $route: function(to) {
 128       this.gameRef.id = to.params["id"];
 129       this.gameRef.rid = to.query["rid"];
 130       this.loadGame();
 131     }
 132   },
 133   // NOTE: some redundant code with Hall.vue (mostly related to people array)
 134   created: function() {
 135     // Always add myself to players' list
 136     const my = this.st.user;
 137     this.$set(this.people, my.sid, { id: my.id, name: my.name });
 138     this.gameRef.id = this.$route.params["id"];
 139     this.gameRef.rid = this.$route.query["rid"]; //may be undefined
 140     // Initialize connection
 141     this.connexionString =
 142       params.socketUrl +
 143       "/?sid=" +
 144       this.st.user.sid +
 145       "&tmpId=" +
 146       getRandString() +
 147       "&page=" +
 148       encodeURIComponent(this.$route.path);
 149     this.conn = new WebSocket(this.connexionString);
 150     this.conn.onmessage = this.socketMessageListener;
 151     this.conn.onclose = this.socketCloseListener;
 152     // Socket init required before loading remote game:
 153     const socketInit = callback => {
 154       if (!!this.conn && this.conn.readyState == 1)
 155         // 1 == OPEN state
 156         callback();
 157       else
 158         // Socket not ready yet (initial loading)
 159         // NOTE: it's important to call callback without arguments,
 160         // otherwise first arg is Websocket object and loadGame fails.
 161         this.conn.onopen = () => callback();
 162     };
 163     if (!this.gameRef.rid)
 164       // Game stored locally or on server
 165       this.loadGame(null, () => socketInit(this.roomInit));
 166     else
 167       // Game stored remotely: need socket to retrieve it
 168       // NOTE: the callback "roomInit" will be lost, so we don't provide it.
 169       // --> It will be given when receiving "fullgame" socket event.
 170       socketInit(this.loadGame);
 171   },
 172   mounted: function() {
 173     document
 174       .getElementById("chatWrap")
 175       .addEventListener("click", processModalClick);
 176   },
 177   beforeDestroy: function() {
 178     this.send("disconnect");
 179   },
 180   methods: {
 181     roomInit: function() {
 182       if (!this.roomInitialized) {
 183         // Notify the room only now that I connected, because
 184         // messages might be lost otherwise (if game loading is slow)
 185         this.send("connect");
 186         this.send("pollclients");
 187         // We may ask fullgame several times if some moves are lost,
 188         // but room should be init only once:
 189         this.roomInitialized = true;
 190       }
 191     },
 192     send: function(code, obj) {
 193       if (!!this.conn)
 194         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 195     },
 196     isConnected: function(index) {
 197       const player = this.game.players[index];
 198       // Is it me ?
 199       if (this.st.user.sid == player.sid || this.st.user.id == player.uid)
 200         return true;
 201       // Try to find a match in people:
 202       return (
 203         (
 204           player.sid &&
 205           Object.keys(this.people).some(sid => sid == player.sid)
 206         )
 207         ||
 208         (
 209           player.uid &&
 210           Object.values(this.people).some(p => p.id == player.uid)
 211         )
 212       );
 213     },
 214     resetChatColor: function() {
 215       // TODO: this is called twice, once on opening an once on closing
 216       document.getElementById("chatBtn").classList.remove("somethingnew");
 217     },
 218     processChat: function(chat) {
 219       this.send("newchat", { data: chat });
 220       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 221       if (this.game.type == "corr" && this.st.user.id > 0)
 222         GameStorage.update(this.gameRef.id, { chat: chat });
 223     },
 224     clearChat: function() {
 225       // Nothing more to do if game is live (chats not recorded)
 226       if (this.game.type == "corr") {
 227         if (!!this.game.mycolor)
 228           ajax("/chats", "DELETE", {gid: this.game.id});
 229         this.game.chats = [];
 230       }
 231     },
 232     // Notify turn after a new move (to opponent and me on MyGames page)
 233     notifyTurn: function(sid) {
 234       const player = this.people[sid];
 235       const colorIdx = this.game.players.findIndex(
 236         p => p.sid == sid || p.id == player.id);
 237       const color = ["w","b"][colorIdx];
 238       const yourTurn =
 239         (
 240           color == "w" &&
 241           this.game.movesCount % 2 == 0
 242         )
 243         ||
 244         (
 245           color == "b" &&
 246           this.game.movesCount % 2 == 1
 247         );
 248       this.send("turnchange", { target: sid, yourTurn: yourTurn });
 249     },
 250     socketMessageListener: function(msg) {
 251       if (!this.conn) return;
 252       const data = JSON.parse(msg.data);
 253       switch (data.code) {
 254         case "pollclients":
 255           data.sockIds.forEach(sid => {
 256             if (sid != this.st.user.sid) {
 257               this.send("askidentity", { target: sid });
 258               // Ask potentially missed last state, if opponent and I play
 259               if (
 260                 !!this.game.mycolor &&
 261                 this.game.type == "live" &&
 262                 this.game.score == "*" &&
 263                 this.game.players.some(p => p.sid == sid)
 264               ) {
 265                 this.send("asklastate", { target: sid });
 266               }
 267             }
 268           });
 269           break;
 270         case "connect":
 271           if (!this.people[data.from]) {
 272             this.newConnect[data.from] = true; //for self multi-connects tests
 273             this.send("askidentity", { target: data.from });
 274           }
 275           break;
 276         case "disconnect":
 277           this.$delete(this.people, data.from);
 278           break;
 279         case "mconnect": {
 280           // TODO: from MyGames page : send mconnect message with the list of gid (live and corr)
 281           // Either me (another tab) or opponent
 282           const sid = data.from;
 283           if (!this.onMygames.some(s => s == sid))
 284           {
 285             this.onMygames.push(sid);
 286             this.notifyTurn(sid); //TODO: this may require server ID (so, notify after receiving identity)
 287           }
 288           break;
 289           if (!this.people[sid])
 290             this.send("askidentity", { target: sid });
 291         }
 292         case "mdisconnect":
 293           ArrayFun.remove(this.onMygames, sid => sid == data.from);
 294           break;
 295         case "killed":
 296           // I logged in elsewhere:
 297           this.conn = null;
 298           alert(this.st.tr["New connexion detected: tab now offline"]);
 299           break;
 300         case "askidentity": {
 301           // Request for identification
 302           const me = {
 303             // Decompose to avoid revealing email
 304             name: this.st.user.name,
 305             sid: this.st.user.sid,
 306             id: this.st.user.id
 307           };
 308           this.send("identity", { data: me, target: data.from });
 309           break;
 310         }
 311         case "identity": {
 312           const user = data.data;
 313           this.$set(this.people, user.sid, { name: user.name, id: user.id });
 314           // If I multi-connect, kill current connexion if no mark (I'm older)
 315           if (this.newConnect[user.sid]) {
 316             if (
 317               user.id > 0 &&
 318               user.id == this.st.user.id &&
 319               user.sid != this.st.user.sid &&
 320               !this.killed[this.st.user.sid]
 321             ) {
 322                 this.send("killme", { sid: this.st.user.sid });
 323                 this.killed[this.st.user.sid] = true;
 324             }
 325             delete this.newConnect[user.sid];
 326           }
 327           break;
 328         }
 329         case "askgame":
 330           // Send current (live) game if not asked by any of the players
 331           if (
 332             this.game.type == "live" &&
 333             this.game.players.every(p => p.sid != data.from[0])
 334           ) {
 335             const myGame = {
 336               id: this.game.id,
 337               fen: this.game.fen,
 338               players: this.game.players,
 339               vid: this.game.vid,
 340               cadence: this.game.cadence,
 341               score: this.game.score,
 342               rid: this.st.user.sid //useful in Hall if I'm an observer
 343             };
 344             this.send("game", { data: myGame, target: data.from });
 345           }
 346           break;
 347         case "askfullgame":
 348           this.send("fullgame", { data: this.game, target: data.from });
 349           break;
 350         case "fullgame":
 351           // Callback "roomInit" to poll clients only after game is loaded
 352           let game = data.data;
 353           // Move format isn't the same in storage and in browser,
 354           // because of the 'addTime' field.
 355           game.moves = game.moves.map(m => { return m.move || m; });
 356           this.loadGame(game, this.roomInit);
 357           break;
 358         case "asklastate":
 359           // Sending last state if I played a move or score != "*"
 360           if (
 361             (this.game.moves.length > 0 && this.vr.turn != this.game.mycolor) ||
 362             this.game.score != "*" ||
 363             this.drawOffer == "sent"
 364           ) {
 365             // Send our "last state" informations to opponent
 366             const L = this.game.moves.length;
 367             const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 368             const myLastate = {
 369               // NOTE: lastMove (when defined) includes addTime
 370               lastMove: L > 0 ? this.game.moves[L - 1] : undefined,
 371               // Since we played a move (or abort or resign),
 372               // only drawOffer=="sent" is possible
 373               drawSent: this.drawOffer == "sent",
 374               score: this.game.score,
 375               movesCount: L,
 376               initime: this.game.initime[1 - myIdx] //relevant only if I played
 377             };
 378             this.send("lastate", { data: myLastate, target: data.from });
 379           }
 380           break;
 381         case "lastate": //got opponent infos about last move
 382           this.lastate = data.data;
 383           if (this.game.rendered)
 384             // Game is rendered (Board component)
 385             this.processLastate();
 386           // Else: will be processed when game is ready
 387           break;
 388         case "newmove": {
 389
 390 console.log(data.data);
 391
 392           const move = data.data;
 393           if (move.index > this.game.movesCount && !this.fullGameRequested) {
 394             // This can only happen if I'm an observer and missed a move:
 395             // just ask fullgame again, this is much simpler.
 396             (function askIfPeerConnected() {
 397               if (!!this.people[this.gameRef.rid])
 398                 this.send("askfullgame", { target: this.gameRef.rid });
 399               else setTimeout(askIfPeerConnected, 1000);
 400             })();
 401             this.fullGameRequested = true;
 402           } else {
 403             if (
 404               move.index < this.game.movesCount ||
 405               this.gotMoveIdx >= move.index
 406             ) {
 407               // Opponent re-send but we already have the move:
 408               // (maybe he didn't receive our pingback...)
 409               this.send("gotmove", {data: move.index, target: data.from});
 410             } else {
 411               this.gotMoveIdx = move.index;
 412               const receiveMyMove = (
 413                 !!this.game.mycolor &&
 414                 move.index == this.game.movesCount
 415               );
 416               if (!receiveMyMove && !!this.game.mycolor)
 417                 // Notify opponent that I got the move:
 418                 this.send("gotmove", {data: move.index, target: data.from});
 419               if (move.cancelDrawOffer) {
 420                 // Opponent refuses draw
 421                 this.drawOffer = "";
 422                 // NOTE for corr games: drawOffer reset by player in turn
 423                 if (
 424                   this.game.type == "live" &&
 425                   !!this.game.mycolor &&
 426                   !receiveMyMove
 427                 ) {
 428                   GameStorage.update(this.gameRef.id, { drawOffer: "" });
 429                 }
 430               }
 431               this.$refs["basegame"].play(
 432                 move.move,
 433                 "received",
 434                 null,
 435                 {
 436                   addTime: move.addTime,
 437                   receiveMyMove: receiveMyMove
 438                 }
 439               );
 440             }
 441           }
 442           break;
 443         }
 444         case "gotmove": {
 445           this.opponentGotMove = true;
 446           break;
 447         }
 448 /// TODO: same strategy for askLastate
 449 // --> the message could not have been received,
 450 // or maybe we ddn't receive it back.
 451
 452
 453         case "resign":
 454           const score = data.side == "b" ? "1-0" : "0-1";
 455           const side = data.side == "w" ? "White" : "Black";
 456           this.gameOver(score, side + " surrender");
 457           break;
 458         case "abort":
 459           this.gameOver("?", "Stop");
 460           break;
 461         case "draw":
 462           this.gameOver("1/2", data.data);
 463           break;
 464         case "drawoffer":
 465           // NOTE: observers don't know who offered draw
 466           this.drawOffer = "received";
 467           break;
 468         case "newchat":
 469           this.newChat = data.data;
 470           if (!document.getElementById("modalChat").checked)
 471             document.getElementById("chatBtn").classList.add("somethingnew");
 472           break;
 473       }
 474     },
 475     socketCloseListener: function() {
 476       this.conn = new WebSocket(this.connexionString);
 477       this.conn.addEventListener("message", this.socketMessageListener);
 478       this.conn.addEventListener("close", this.socketCloseListener);
 479     },
 480     // lastate was received, but maybe game wasn't ready yet:
 481     processLastate: function() {
 482       const data = this.lastate;
 483       this.lastate = undefined; //security...
 484       const L = this.game.moves.length;
 485       if (data.movesCount > L) {
 486         // Just got last move from him
 487         this.$refs["basegame"].play(
 488           data.lastMove.move,
 489           "received",
 490           null,
 491           {addTime: data.lastMove.addTime, initime: data.initime});
 492       }
 493       if (data.drawSent) this.drawOffer = "received";
 494       if (data.score != "*") {
 495         this.drawOffer = "";
 496         if (this.game.score == "*") this.gameOver(data.score);
 497       }
 498     },
 499     clickDraw: function() {
 500       if (!this.game.mycolor) return; //I'm just spectator
 501       if (["received", "threerep"].includes(this.drawOffer)) {
 502         if (!confirm(this.st.tr["Accept draw?"])) return;
 503         const message =
 504           this.drawOffer == "received"
 505             ? "Mutual agreement"
 506             : "Three repetitions";
 507         this.send("draw", { data: message });
 508         this.gameOver("1/2", message);
 509       } else if (this.drawOffer == "") {
 510         // No effect if drawOffer == "sent"
 511         if (!!this.game.mycolor != this.vr.turn) {
 512           alert(this.st.tr["Draw offer only in your turn"]);
 513           return;
 514         }
 515         if (!confirm(this.st.tr["Offer draw?"])) return;
 516         this.drawOffer = "sent";
 517         this.send("drawoffer");
 518         GameStorage.update(this.gameRef.id, { drawOffer: this.game.mycolor });
 519       }
 520     },
 521     abortGame: function() {
 522       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"])) return;
 523       this.gameOver("?", "Stop");
 524       this.send("abort");
 525     },
 526     resign: function() {
 527       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
 528         return;
 529       this.send("resign", { data: this.game.mycolor });
 530       const score = this.game.mycolor == "w" ? "0-1" : "1-0";
 531       const side = this.game.mycolor == "w" ? "White" : "Black";
 532       this.gameOver(score, side + " surrender");
 533     },
 534     // 3 cases for loading a game:
 535     //  - from indexedDB (running or completed live game I play)
 536     //  - from server (one correspondance game I play[ed] or not)
 537     //  - from remote peer (one live game I don't play, finished or not)
 538     loadGame: function(game, callback) {
 539       const afterRetrieval = async game => {
 540         const vModule = await import("@/variants/" + game.vname + ".js");
 541         window.V = vModule.VariantRules;
 542         this.vr = new V(game.fen);
 543         const gtype = game.cadence.indexOf("d") >= 0 ? "corr" : "live";
 544         const tc = extractTime(game.cadence);
 545         const myIdx = game.players.findIndex(p => {
 546           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 547         });
 548         const mycolor = [undefined, "w", "b"][myIdx + 1]; //undefined for observers
 549         if (!game.chats) game.chats = []; //live games don't have chat history
 550         if (gtype == "corr") {
 551           if (game.players[0].color == "b") {
 552             // Adopt the same convention for live and corr games: [0] = white
 553             [game.players[0], game.players[1]] = [
 554               game.players[1],
 555               game.players[0]
 556             ];
 557           }
 558           // NOTE: clocks in seconds, initime in milliseconds
 559           game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
 560           const L = game.moves.length;
 561           if (game.score == "*") {
 562             // Set clocks + initime
 563             game.clocks = [tc.mainTime, tc.mainTime];
 564             game.initime = [0, 0];
 565             if (L >= 1) {
 566               const gameLastupdate = game.moves[L-1].played;
 567               game.initime[L % 2] = gameLastupdate;
 568               if (L >= 2) {
 569                 game.clocks[L % 2] =
 570                   tc.mainTime - (Date.now() - gameLastupdate) / 1000;
 571               }
 572             }
 573           }
 574           // Sort chat messages from newest to oldest
 575           game.chats.sort((c1, c2) => {
 576             return c2.added - c1.added;
 577           });
 578           if (myIdx >= 0 && game.score == "*" && game.chats.length > 0) {
 579             // Did a chat message arrive after my last move?
 580             let dtLastMove = 0;
 581             if (L == 1 && myIdx == 0)
 582               dtLastMove = game.moves[0].played;
 583             else if (L >= 2) {
 584               if (L % 2 == 0) {
 585                 // It's now white turn
 586                 dtLastMove = game.moves[L-1-(1-myIdx)].played;
 587               } else {
 588                 // Black turn:
 589                 dtLastMove = game.moves[L-1-myIdx].played;
 590               }
 591             }
 592             if (dtLastMove < game.chats[0].added)
 593               document.getElementById("chatBtn").classList.add("somethingnew");
 594           }
 595           // Now that we used idx and played, re-format moves as for live games
 596           game.moves = game.moves.map(m => m.squares);
 597         }
 598         if (gtype == "live" && game.clocks[0] < 0) {
 599           // Game is unstarted
 600           game.clocks = [tc.mainTime, tc.mainTime];
 601           if (game.score == "*") {
 602             game.initime[0] = Date.now();
 603             if (myIdx >= 0) {
 604               // I play in this live game; corr games don't have clocks+initime
 605               GameStorage.update(game.id, {
 606                 clocks: game.clocks,
 607                 initime: game.initime
 608               });
 609             }
 610           }
 611         }
 612         if (game.drawOffer) {
 613           if (game.drawOffer == "t")
 614             // Three repetitions
 615             this.drawOffer = "threerep";
 616           else {
 617             // Draw offered by any of the players:
 618             if (myIdx < 0) this.drawOffer = "received";
 619             else {
 620               // I play in this game:
 621               if (
 622                 (game.drawOffer == "w" && myIdx == 0) ||
 623                 (game.drawOffer == "b" && myIdx == 1)
 624               )
 625                 this.drawOffer = "sent";
 626               else this.drawOffer = "received";
 627             }
 628           }
 629         }
 630         this.repeat = {}; //reset: scan past moves' FEN:
 631         let repIdx = 0;
 632         let vr_tmp = new V(game.fenStart);
 633         let curTurn = "n";
 634         game.moves.forEach(m => {
 635           playMove(m, vr_tmp);
 636           const fenIdx = vr_tmp.getFen().replace(/ /g, "_");
 637           this.repeat[fenIdx] = this.repeat[fenIdx]
 638             ? this.repeat[fenIdx] + 1
 639             : 1;
 640         });
 641         if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
 642         this.game = Object.assign(
 643           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 644           {
 645             type: gtype,
 646             increment: tc.increment,
 647             mycolor: mycolor,
 648             // opponent sid not strictly required (or available), but easier
 649             // at least oppsid or oppid is available anyway:
 650             oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
 651             oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].uid,
 652             movesCount: game.moves.length
 653           },
 654           game,
 655         );
 656         if (this.fullGameRequested)
 657           // Second (or more) time the full game is asked:
 658           this.fullGameRequested = false;
 659         this.re_setClocks();
 660         this.$nextTick(() => {
 661           this.game.rendered = true;
 662           // Did lastate arrive before game was rendered?
 663           if (this.lastate) this.processLastate();
 664         });
 665         if (callback) callback();
 666       };
 667       if (!!game) {
 668         afterRetrieval(game);
 669         return;
 670       }
 671       if (this.gameRef.rid) {
 672         // Remote live game: forgetting about callback func... (TODO: design)
 673         this.send("askfullgame", { target: this.gameRef.rid });
 674       } else {
 675         // Local or corr game
 676         // NOTE: afterRetrieval() is never called if game not found
 677         GameStorage.get(this.gameRef.id, afterRetrieval);
 678       }
 679     },
 680     re_setClocks: function() {
 681       if (this.game.movesCount < 2 || this.game.score != "*") {
 682         // 1st move not completed yet, or game over: freeze time
 683         this.virtualClocks = this.game.clocks.map(s => ppt(s));
 684         return;
 685       }
 686       const currentTurn = this.vr.turn;
 687       const currentMovesCount = this.game.moves.length;
 688       const colorIdx = ["w", "b"].indexOf(currentTurn);
 689       let countdown =
 690         this.game.clocks[colorIdx] -
 691         (Date.now() - this.game.initime[colorIdx]) / 1000;
 692       this.virtualClocks = [0, 1].map(i => {
 693         const removeTime =
 694           i == colorIdx ? (Date.now() - this.game.initime[colorIdx]) / 1000 : 0;
 695         return ppt(this.game.clocks[i] - removeTime);
 696       });
 697       let clockUpdate = setInterval(() => {
 698         if (
 699           countdown < 0 ||
 700           this.game.moves.length > currentMovesCount ||
 701           this.game.score != "*"
 702         ) {
 703           clearInterval(clockUpdate);
 704           if (countdown < 0)
 705             this.gameOver(
 706               currentTurn == "w" ? "0-1" : "1-0",
 707               "Time"
 708             );
 709         } else
 710           this.$set(
 711             this.virtualClocks,
 712             colorIdx,
 713             ppt(Math.max(0, --countdown))
 714           );
 715       }, 1000);
 716     },
 717     // Post-process a (potentially partial) move (which was just played in BaseGame)
 718     processMove: function(move, data) {
 719       if (!data) data = {};
 720       const moveCol = this.vr.turn;
 721       const doProcessMove = () => {
 722         const colorIdx = ["w", "b"].indexOf(moveCol);
 723         const nextIdx = 1 - colorIdx;
 724         if (!!this.game.mycolor && !data.receiveMyMove) {
 725           // NOTE: 'var' to see that variable outside this block
 726           var filtered_move = getFilteredMove(move);
 727         }
 728         // Send move ("newmove" event) to people in the room (if our turn)
 729         let addTime = (this.game.type == "live") ? data.addTime : 0;
 730         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
 731           if (this.drawOffer == "received")
 732             // I refuse draw
 733             this.drawOffer = "";
 734           // 'addTime' is irrelevant for corr games:
 735           if (this.game.type == "live" && this.game.movesCount >= 2) {
 736             const elapsed = Date.now() - this.game.initime[colorIdx];
 737             // elapsed time is measured in milliseconds
 738             addTime = this.game.increment - elapsed / 1000;
 739           }
 740           const sendMove = {
 741             move: filtered_move,
 742             index: this.game.movesCount,
 743             addTime: addTime, //undefined for corr games
 744             cancelDrawOffer: this.drawOffer == ""
 745           };
 746           this.opponentGotMove = false;
 747           this.send("newmove", {data: sendMove});
 748           // If the opponent doesn't reply gotmove soon enough, re-send move:
 749           let retrySendmove = setInterval( () => {
 750             if (this.opponentGotMove) {
 751               clearInterval(retrySendmove);
 752               return;
 753             }
 754             let oppsid = this.game.players[nextIdx].sid;
 755             if (!oppsid) {
 756               oppsid = Object.keys(this.people).find(
 757                 sid => this.people[sid].id == this.game.players[nextIdx].uid
 758               );
 759             }
 760             if (!oppsid || !this.people[oppsid])
 761               // Opponent is disconnected: he'll ask last state
 762               clearInterval(retrySendmove);
 763             else this.send("newmove", {data: sendMove, target: oppsid});
 764           }, 750);
 765         }
 766         // Update current game object (no need for moves stack):
 767         playMove(move, this.vr);
 768         this.game.movesCount++;
 769 // TODO: notifyTurn: "changeturn" message
 770         // (add)Time indication: useful in case of lastate infos requested
 771         this.game.moves.push(this.game.type == "live"
 772           ? {move:move, addTime:addTime}
 773           : move);
 774         this.game.fen = this.vr.getFen();
 775         if (this.game.type == "live") this.game.clocks[colorIdx] += addTime;
 776         // In corr games, just reset clock to mainTime:
 777         else this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
 778         // data.initime is set only when I receive a "lastate" move from opponent
 779         this.game.initime[nextIdx] = data.initime || Date.now();
 780         this.re_setClocks();
 781         // If repetition detected, consider that a draw offer was received:
 782         const fenObj = this.vr.getFenForRepeat();
 783         this.repeat[fenObj] = this.repeat[fenObj] ? this.repeat[fenObj] + 1 : 1;
 784         if (this.repeat[fenObj] >= 3) this.drawOffer = "threerep";
 785         else if (this.drawOffer == "threerep") this.drawOffer = "";
 786         // Since corr games are stored at only one location, update should be
 787         // done only by one player for each move:
 788         if (
 789           !!this.game.mycolor &&
 790           !data.receiveMyMove &&
 791           (this.game.type == "live" || moveCol == this.game.mycolor)
 792         ) {
 793           let drawCode = "";
 794           switch (this.drawOffer) {
 795             case "threerep":
 796               drawCode = "t";
 797               break;
 798             case "sent":
 799               drawCode = this.game.mycolor;
 800               break;
 801             case "received":
 802               drawCode = V.GetOppCol(this.game.mycolor);
 803               break;
 804           }
 805           if (this.game.type == "corr") {
 806             GameStorage.update(this.gameRef.id, {
 807               fen: this.game.fen,
 808               move: {
 809                 squares: filtered_move,
 810                 played: Date.now(),
 811                 idx: this.game.moves.length - 1
 812               },
 813               // Code "n" for "None" to force reset (otherwise it's ignored)
 814               drawOffer: drawCode || "n"
 815             });
 816           }
 817           else {
 818             // Live game:
 819             GameStorage.update(this.gameRef.id, {
 820               fen: this.game.fen,
 821               move: filtered_move,
 822               clocks: this.game.clocks,
 823               initime: this.game.initime,
 824               drawOffer: drawCode
 825             });
 826           }
 827         }
 828       };
 829       if (
 830         this.game.type == "corr" &&
 831         moveCol == this.game.mycolor &&
 832         !data.receiveMyMove
 833       ) {
 834         setTimeout(() => {
 835           // TODO: remplacer cette confirm box par qqch de plus discret
 836           // (et de même pour challenge accepté / refusé)
 837           if (
 838             !confirm(
 839               this.st.tr["Move played:"] +
 840                 " " +
 841                 getFullNotation(move) +
 842                 "\n" +
 843                 this.st.tr["Are you sure?"]
 844             )
 845           ) {
 846             this.$refs["basegame"].cancelLastMove();
 847             return;
 848           }
 849           doProcessMove();
 850         // Let small time to finish drawing current move attempt:
 851         }, 500);
 852       }
 853       else doProcessMove();
 854     },
 855     gameOver: function(score, scoreMsg) {
 856       this.game.score = score;
 857       this.$set(this.game, "scoreMsg", scoreMsg || getScoreMessage(score));
 858       const myIdx = this.game.players.findIndex(p => {
 859         return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 860       });
 861       if (myIdx >= 0) {
 862         // OK, I play in this game
 863         GameStorage.update(this.gameRef.id, {
 864           score: score,
 865           scoreMsg: scoreMsg
 866         });
 867         // Notify the score to main Hall. TODO: only one player (currently double send)
 868         this.send("result", { gid: this.game.id, score: score });
 869       }
 870     }
 871   }
 872 };
 873 </script>
 874
 875 <style lang="sass" scoped>
 876 .connected
 877   background-color: lightgreen
 878
 879 #participants
 880   margin-left: 5px
 881
 882 .anonymous
 883   color: grey
 884   font-style: italic
 885
 886 #playersInfo > p
 887   margin: 0
 888
 889 @media screen and (min-width: 768px)
 890   #actions
 891     width: 300px
 892 @media screen and (max-width: 767px)
 893   .game
 894     width: 100%
 895
 896 #actions
 897   display: inline-block
 898   margin: 0
 899   button
 900     display: inline-block
 901     margin: 0
 902
 903 @media screen and (max-width: 767px)
 904   #aboveBoard
 905     text-align: center
 906 @media screen and (min-width: 768px)
 907   #aboveBoard
 908     margin-left: 30%
 909
 910 .variant-cadence
 911   padding-right: 10px
 912
 913 .variant-name
 914   font-weight: bold
 915   padding-right: 10px
 916
 917 .name
 918   font-size: 1.5rem
 919   padding: 1px
 920
 921 .time
 922   font-size: 2rem
 923   display: inline-block
 924   margin-left: 10px
 925
 926 .split-names
 927   display: inline-block
 928   margin: 0 15px
 929
 930 #chat
 931   padding-top: 20px
 932   max-width: 767px
 933   border: none;
 934
 935 #chatBtn
 936   margin: 0 10px 0 0
 937
 938 .draw-sent, .draw-sent:hover
 939   background-color: lightyellow
 940
 941 .draw-received, .draw-received:hover
 942   background-color: lightgreen
 943
 944 .draw-threerep, .draw-threerep:hover
 945   background-color: #e4d1fc
 946
 947 .somethingnew
 948   background-color: #c5fefe
 949 </style>