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       span#nextGame(
  34         v-if="nextIds.length > 0"
  35         @click="showNextGame()"
  36       )
  37         | {{ st.tr["Next_g"] }}
  38       button#chatBtn.tooltip(
  39         onClick="window.doClick('modalChat')"
  40         aria-label="Chat"
  41       )
  42         img(src="/images/icons/chat.svg")
  43       #actions(v-if="game.score=='*'")
  44         button.tooltip(
  45           @click="clickDraw()"
  46           :class="{['draw-' + drawOffer]: true}"
  47           :aria-label="st.tr['Draw']"
  48         )
  49           img(src="/images/icons/draw.svg")
  50         button.tooltip(
  51           v-if="!!game.mycolor"
  52           @click="abortGame()"
  53           :aria-label="st.tr['Abort']"
  54         )
  55           img(src="/images/icons/abort.svg")
  56         button.tooltip(
  57           v-if="!!game.mycolor"
  58           @click="resign()"
  59           :aria-label="st.tr['Resign']"
  60         )
  61           img(src="/images/icons/resign.svg")
  62       button.tooltip(
  63         v-else-if="!!game.mycolor"
  64         @click="rematch()"
  65         :aria-label="st.tr['Rematch']"
  66       )
  67         img(src="/images/icons/rematch.svg")
  68       #playersInfo
  69         p
  70           span.name(:class="{connected: isConnected(0)}")
  71             | {{ game.players[0].name || "@nonymous" }}
  72           span.time(
  73             v-if="game.score=='*'"
  74             :class="{yourturn: !!vr && vr.turn == 'w'}"
  75           )
  76             span.time-left {{ virtualClocks[0][0] }}
  77             span.time-separator(v-if="!!virtualClocks[0][1]") :
  78             span.time-right(v-if="!!virtualClocks[0][1]") {{ virtualClocks[0][1] }}
  79           span.split-names -
  80           span.name(:class="{connected: isConnected(1)}")
  81             | {{ game.players[1].name || "@nonymous" }}
  82           span.time(
  83             v-if="game.score=='*'"
  84             :class="{yourturn: !!vr && vr.turn == 'b'}"
  85           )
  86             span.time-left {{ virtualClocks[1][0] }}
  87             span.time-separator(v-if="!!virtualClocks[1][1]") :
  88             span.time-right(v-if="!!virtualClocks[1][1]") {{ virtualClocks[1][1] }}
  89   BaseGame(
  90     ref="basegame"
  91     :game="game"
  92     @newmove="processMove"
  93     @gameover="gameOver"
  94   )
  95 </template>
  96
  97 <script>
  98 import BaseGame from "@/components/BaseGame.vue";
  99 import Chat from "@/components/Chat.vue";
 100 import { store } from "@/store";
 101 import { GameStorage } from "@/utils/gameStorage";
 102 import { ppt } from "@/utils/datetime";
 103 import { ajax } from "@/utils/ajax";
 104 import { extractTime } from "@/utils/timeControl";
 105 import { getRandString } from "@/utils/alea";
 106 import { processModalClick } from "@/utils/modalClick";
 107 import { getFullNotation } from "@/utils/notation";
 108 import { playMove, getFilteredMove } from "@/utils/playUndo";
 109 import { getScoreMessage } from "@/utils/scoring";
 110 import { ArrayFun } from "@/utils/array";
 111 import params from "@/parameters";
 112 export default {
 113   name: "my-game",
 114   components: {
 115     BaseGame,
 116     Chat
 117   },
 118   // gameRef: to find the game in (potentially remote) storage
 119   data: function() {
 120     return {
 121       st: store.state,
 122       gameRef: {
 123         // rid = remote (socket) ID
 124         id: "",
 125         rid: ""
 126       },
 127       game: {
 128         // Passed to BaseGame
 129         players: [{ name: "" }, { name: "" }],
 130         chats: [],
 131         rendered: false
 132       },
 133       nextIds: [],
 134       virtualClocks: [[0,0], [0,0]], //initialized with true game.clocks
 135       vr: null, //"variant rules" object initialized from FEN
 136       drawOffer: "",
 137       people: {}, //players + observers
 138       onMygames: [], //opponents (or me) on "MyGames" page
 139       lastate: undefined, //used if opponent send lastate before game is ready
 140       repeat: {}, //detect position repetition
 141       newChat: "",
 142       conn: null,
 143       roomInitialized: false,
 144       // If newmove has wrong index: ask fullgame again:
 145       askGameTime: 0,
 146       gameIsLoading: false,
 147       // If asklastate got no reply, ask again:
 148       gotLastate: false,
 149       gotMoveIdx: -1, //last move index received
 150       // If newmove got no pingback, send again:
 151       opponentGotMove: false,
 152       connexionString: "",
 153       // Related to (killing of) self multi-connects:
 154       newConnect: {},
 155       killed: {}
 156     };
 157   },
 158   watch: {
 159     $route: function(to) {
 160       this.gameRef.id = to.params["id"];
 161       this.gameRef.rid = to.query["rid"];
 162       this.loadGame();
 163     }
 164   },
 165   // NOTE: some redundant code with Hall.vue (mostly related to people array)
 166   created: function() {
 167     // Always add myself to players' list
 168     const my = this.st.user;
 169     this.$set(this.people, my.sid, { id: my.id, name: my.name });
 170     this.gameRef.id = this.$route.params["id"];
 171     // rid = remote ID to find an observed live game,
 172     // next = next corr games IDs to navigate faster
 173     // (Both might be undefined)
 174     this.gameRef.rid = this.$route.query["rid"];
 175     this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 176     // Initialize connection
 177     this.connexionString =
 178       params.socketUrl +
 179       "/?sid=" +
 180       this.st.user.sid +
 181       "&tmpId=" +
 182       getRandString() +
 183       "&page=" +
 184       encodeURIComponent(this.$route.path);
 185     this.conn = new WebSocket(this.connexionString);
 186     this.conn.onmessage = this.socketMessageListener;
 187     this.conn.onclose = this.socketCloseListener;
 188     // Socket init required before loading remote game:
 189     const socketInit = callback => {
 190       if (!!this.conn && this.conn.readyState == 1)
 191         // 1 == OPEN state
 192         callback();
 193       else
 194         // Socket not ready yet (initial loading)
 195         // NOTE: it's important to call callback without arguments,
 196         // otherwise first arg is Websocket object and loadGame fails.
 197         this.conn.onopen = () => callback();
 198     };
 199     if (!this.gameRef.rid)
 200       // Game stored locally or on server
 201       this.loadGame(null, () => socketInit(this.roomInit));
 202     else
 203       // Game stored remotely: need socket to retrieve it
 204       // NOTE: the callback "roomInit" will be lost, so we don't provide it.
 205       // --> It will be given when receiving "fullgame" socket event.
 206       socketInit(this.loadGame);
 207   },
 208   mounted: function() {
 209     document
 210       .getElementById("chatWrap")
 211       .addEventListener("click", processModalClick);
 212   },
 213   beforeDestroy: function() {
 214     this.send("disconnect");
 215   },
 216   methods: {
 217     roomInit: function() {
 218       if (!this.roomInitialized) {
 219         // Notify the room only now that I connected, because
 220         // messages might be lost otherwise (if game loading is slow)
 221         this.send("connect");
 222         this.send("pollclients");
 223         // We may ask fullgame several times if some moves are lost,
 224         // but room should be init only once:
 225         this.roomInitialized = true;
 226       }
 227     },
 228     send: function(code, obj) {
 229       if (!!this.conn)
 230         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 231     },
 232     isConnected: function(index) {
 233       const player = this.game.players[index];
 234       // Is it me ?
 235       if (
 236         (this.st.user.sid == player.sid || this.st.user.id == player.uid) &&
 237         (!this.st.user.name || this.st.user.name == player.name)
 238       ) {
 239         return true;
 240       }
 241       // Try to find a match in people:
 242       return (
 243         (
 244           player.sid &&
 245           Object.keys(this.people).some(sid => sid == player.sid)
 246         )
 247         ||
 248         (
 249           player.uid &&
 250           Object.values(this.people).some(p => p.id == player.uid)
 251         )
 252       );
 253     },
 254     resetChatColor: function() {
 255       // TODO: this is called twice, once on opening an once on closing
 256       document.getElementById("chatBtn").classList.remove("somethingnew");
 257     },
 258     processChat: function(chat) {
 259       this.send("newchat", { data: chat });
 260       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 261       if (this.game.type == "corr" && this.st.user.id > 0)
 262         GameStorage.update(this.gameRef.id, { chat: chat });
 263     },
 264     clearChat: function() {
 265       // Nothing more to do if game is live (chats not recorded)
 266       if (this.game.type == "corr") {
 267         if (!!this.game.mycolor)
 268           ajax("/chats", "DELETE", {gid: this.game.id});
 269         this.$set(this.game, "chats", []);
 270       }
 271     },
 272     // Notify turn after a new move (to opponent and me on MyGames page)
 273     notifyTurn: function(sid) {
 274       const player = this.people[sid];
 275       const colorIdx = this.game.players.findIndex(
 276         p => p.sid == sid || p.uid == player.id);
 277       const color = ["w","b"][colorIdx];
 278       const movesCount = this.game.moves.length;
 279       const yourTurn =
 280         (color == "w" && movesCount % 2 == 0) ||
 281         (color == "b" && movesCount % 2 == 1);
 282       this.send("turnchange", { target: sid, yourTurn: yourTurn });
 283     },
 284     showNextGame: function() {
 285       // Did I play in current game? If not, add it to nextIds list
 286       if (this.game.score == "*" && this.vr.turn == this.game.mycolor)
 287         this.nextIds.unshift(this.game.id);
 288       const nextGid = this.nextIds.pop();
 289       this.$router.push(
 290         "/game/" + nextGid + "/?next=" + JSON.stringify(this.nextIds));
 291     },
 292     rematch: function() {
 293       alert("Unimplemented yet (soon :) )");
 294       // TODO: same logic as for draw, but re-click remove rematch offer (toggle)
 295     },
 296     askGameAgain: function() {
 297       this.gameIsLoading = true;
 298       const doAskGame = () => {
 299         if (!this.gameRef.rid)
 300           // This is my game: just reload.
 301           this.loadGame();
 302         else {
 303           // Just ask fullgame again (once!), this is much simpler.
 304           // If this fails, the user could just reload page :/
 305           let self = this;
 306           (function askIfPeerConnected() {
 307             if (!!self.people[self.gameRef.rid])
 308               self.send("askfullgame", { target: self.gameRef.rid });
 309             else setTimeout(askIfPeerConnected, 1000);
 310           })();
 311         }
 312       };
 313       // Delay of at least 2s between two game requests
 314       const now = Date.now();
 315       const delay = Math.max(2000 - (now - this.askGameTime), 0);
 316       this.askGameTime = now;
 317       setTimeout(doAskGame, delay);
 318     },
 319     socketMessageListener: function(msg) {
 320       if (!this.conn) return;
 321       const data = JSON.parse(msg.data);
 322       switch (data.code) {
 323         case "pollclients":
 324           data.sockIds.forEach(sid => {
 325             if (sid != this.st.user.sid)
 326               this.send("askidentity", { target: sid });
 327           });
 328           break;
 329         case "connect":
 330           if (!this.people[data.from]) {
 331             this.newConnect[data.from] = true; //for self multi-connects tests
 332             this.send("askidentity", { target: data.from });
 333           }
 334           break;
 335         case "disconnect":
 336           this.$delete(this.people, data.from);
 337           break;
 338         case "mconnect": {
 339           // TODO: from MyGames page : send mconnect message with the list of gid (live and corr)
 340           // Either me (another tab) or opponent
 341           const sid = data.from;
 342           if (!this.onMygames.some(s => s == sid))
 343           {
 344             this.onMygames.push(sid);
 345             this.notifyTurn(sid); //TODO: this may require server ID (so, notify after receiving identity)
 346           }
 347           break;
 348           if (!this.people[sid])
 349             this.send("askidentity", { target: sid });
 350         }
 351         case "mdisconnect":
 352           ArrayFun.remove(this.onMygames, sid => sid == data.from);
 353           break;
 354         case "killed":
 355           // I logged in elsewhere:
 356           this.conn = null;
 357           alert(this.st.tr["New connexion detected: tab now offline"]);
 358           break;
 359         case "askidentity": {
 360           // Request for identification
 361           const me = {
 362             // Decompose to avoid revealing email
 363             name: this.st.user.name,
 364             sid: this.st.user.sid,
 365             id: this.st.user.id
 366           };
 367           this.send("identity", { data: me, target: data.from });
 368           break;
 369         }
 370         case "identity": {
 371           const user = data.data;
 372           this.$set(this.people, user.sid, { name: user.name, id: user.id });
 373           // If I multi-connect, kill current connexion if no mark (I'm older)
 374           if (this.newConnect[user.sid]) {
 375             if (
 376               user.id > 0 &&
 377               user.id == this.st.user.id &&
 378               user.sid != this.st.user.sid &&
 379               !this.killed[this.st.user.sid]
 380             ) {
 381                 this.send("killme", { sid: this.st.user.sid });
 382                 this.killed[this.st.user.sid] = true;
 383             }
 384             delete this.newConnect[user.sid];
 385           }
 386           if (!this.killed[this.st.user.sid]) {
 387             // Ask potentially missed last state, if opponent and I play
 388             if (
 389               !!this.game.mycolor &&
 390               this.game.type == "live" &&
 391               this.game.score == "*" &&
 392               this.game.players.some(p => p.sid == user.sid)
 393             ) {
 394               let self = this;
 395               (function askLastate() {
 396                 self.send("asklastate", { target: user.sid });
 397                 setTimeout(
 398                   () => {
 399                     // Ask until we got a reply (or opponent disconnect):
 400                     if (!self.gotLastate && !!self.people[user.sid])
 401                       askLastate();
 402                   },
 403                   1000
 404                 );
 405               })();
 406             }
 407           }
 408           break;
 409         }
 410         case "askgame":
 411           // Send current (live) game if not asked by any of the players
 412           if (
 413             this.game.type == "live" &&
 414             this.game.players.every(p => p.sid != data.from[0])
 415           ) {
 416             const myGame = {
 417               id: this.game.id,
 418               fen: this.game.fen,
 419               players: this.game.players,
 420               vid: this.game.vid,
 421               cadence: this.game.cadence,
 422               score: this.game.score,
 423               rid: this.st.user.sid //useful in Hall if I'm an observer
 424             };
 425             this.send("game", { data: myGame, target: data.from });
 426           }
 427           break;
 428         case "askfullgame":
 429           const gameToSend = Object.keys(this.game)
 430             .filter(k =>
 431               [
 432                 "id","fen","players","vid","cadence","fenStart","vname",
 433                 "moves","clocks","initime","score","drawOffer"
 434               ].includes(k))
 435             .reduce(
 436               (obj, k) => {
 437                 obj[k] = this.game[k];
 438                 return obj;
 439               },
 440               {}
 441             );
 442           this.send("fullgame", { data: gameToSend, target: data.from });
 443           break;
 444         case "fullgame":
 445           // Callback "roomInit" to poll clients only after game is loaded
 446           this.loadGame(data.data, this.roomInit);
 447           break;
 448         case "asklastate":
 449           // Sending informative last state if I played a move or score != "*"
 450           if (
 451             (this.game.moves.length > 0 && this.vr.turn != this.game.mycolor) ||
 452             this.game.score != "*" ||
 453             this.drawOffer == "sent"
 454           ) {
 455             // Send our "last state" informations to opponent
 456             const L = this.game.moves.length;
 457             const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 458             const myLastate = {
 459               lastMove: L > 0 ? this.game.moves[L - 1] : undefined,
 460               addTime: L > 0 ? this.game.addTimes[L - 1] : undefined,
 461               // Since we played a move (or abort or resign),
 462               // only drawOffer=="sent" is possible
 463               drawSent: this.drawOffer == "sent",
 464               score: this.game.score,
 465               movesCount: L,
 466               initime: this.game.initime[1 - myIdx] //relevant only if I played
 467             };
 468             this.send("lastate", { data: myLastate, target: data.from });
 469           } else {
 470             this.send("lastate", { data: {nothing: true}, target: data.from });
 471           }
 472           break;
 473         case "lastate": {
 474           // Got opponent infos about last move
 475           this.gotLastate = true;
 476           if (!data.data.nothing) {
 477             this.lastate = data.data;
 478             if (this.game.rendered)
 479               // Game is rendered (Board component)
 480               this.processLastate();
 481             // Else: will be processed when game is ready
 482           }
 483           break;
 484         }
 485         case "newmove": {
 486           const movePlus = data.data;
 487           const movesCount = this.game.moves.length;
 488           if (movePlus.index > movesCount) {
 489             // This can only happen if I'm an observer and missed a move.
 490             if (this.gotMoveIdx < movePlus.index)
 491               this.gotMoveIdx = movePlus.index;
 492             if (!this.gameIsLoading) this.askGameAgain();
 493           }
 494           else {
 495             if (
 496               movePlus.index < movesCount ||
 497               this.gotMoveIdx >= movePlus.index
 498             ) {
 499               // Opponent re-send but we already have the move:
 500               // (maybe he didn't receive our pingback...)
 501               this.send("gotmove", {data: movePlus.index, target: data.from});
 502             } else {
 503               this.gotMoveIdx = movePlus.index;
 504               const receiveMyMove = (movePlus.color == this.game.mycolor);
 505               if (!receiveMyMove && !!this.game.mycolor)
 506                 // Notify opponent that I got the move:
 507                 this.send("gotmove", {data: movePlus.index, target: data.from});
 508               if (movePlus.cancelDrawOffer) {
 509                 // Opponent refuses draw
 510                 this.drawOffer = "";
 511                 // NOTE for corr games: drawOffer reset by player in turn
 512                 if (
 513                   this.game.type == "live" &&
 514                   !!this.game.mycolor &&
 515                   !receiveMyMove
 516                 ) {
 517                   GameStorage.update(this.gameRef.id, { drawOffer: "" });
 518                 }
 519               }
 520               this.$refs["basegame"].play(movePlus.move, "received", null, true);
 521               this.processMove(
 522                 movePlus.move,
 523                 {
 524                   addTime: movePlus.addTime,
 525                   receiveMyMove: receiveMyMove
 526                 }
 527               );
 528             }
 529           }
 530           break;
 531         }
 532         case "gotmove": {
 533           this.opponentGotMove = true;
 534           break;
 535         }
 536         case "resign":
 537           const score = data.side == "b" ? "1-0" : "0-1";
 538           const side = data.side == "w" ? "White" : "Black";
 539           this.gameOver(score, side + " surrender");
 540           break;
 541         case "abort":
 542           this.gameOver("?", "Stop");
 543           break;
 544         case "draw":
 545           this.gameOver("1/2", data.data);
 546           break;
 547         case "drawoffer":
 548           // NOTE: observers don't know who offered draw
 549           this.drawOffer = "received";
 550           break;
 551         case "newchat":
 552           this.newChat = data.data;
 553           if (!document.getElementById("modalChat").checked)
 554             document.getElementById("chatBtn").classList.add("somethingnew");
 555           break;
 556       }
 557     },
 558     socketCloseListener: function() {
 559       this.conn = new WebSocket(this.connexionString);
 560       this.conn.addEventListener("message", this.socketMessageListener);
 561       this.conn.addEventListener("close", this.socketCloseListener);
 562     },
 563     // lastate was received, but maybe game wasn't ready yet:
 564     processLastate: function() {
 565       const data = this.lastate;
 566       this.lastate = undefined; //security...
 567       const L = this.game.moves.length;
 568       if (data.movesCount > L) {
 569         // Just got last move from him
 570         this.$refs["basegame"].play(
 571           data.lastMove,
 572           "received",
 573           null,
 574           {addTime: data.addTime, initime: data.initime}
 575         );
 576       }
 577       if (data.drawSent) this.drawOffer = "received";
 578       if (data.score != "*") {
 579         this.drawOffer = "";
 580         if (this.game.score == "*") this.gameOver(data.score);
 581       }
 582     },
 583     clickDraw: function() {
 584       if (!this.game.mycolor) return; //I'm just spectator
 585       if (["received", "threerep"].includes(this.drawOffer)) {
 586         if (!confirm(this.st.tr["Accept draw?"])) return;
 587         const message =
 588           this.drawOffer == "received"
 589             ? "Mutual agreement"
 590             : "Three repetitions";
 591         this.send("draw", { data: message });
 592         this.gameOver("1/2", message);
 593       } else if (this.drawOffer == "") {
 594         // No effect if drawOffer == "sent"
 595         if (this.game.mycolor != this.vr.turn) {
 596           alert(this.st.tr["Draw offer only in your turn"]);
 597           return;
 598         }
 599         if (!confirm(this.st.tr["Offer draw?"])) return;
 600         this.drawOffer = "sent";
 601         this.send("drawoffer");
 602         GameStorage.update(this.gameRef.id, { drawOffer: this.game.mycolor });
 603       }
 604     },
 605     abortGame: function() {
 606       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"])) return;
 607       this.gameOver("?", "Stop");
 608       this.send("abort");
 609     },
 610     resign: function() {
 611       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
 612         return;
 613       this.send("resign", { data: this.game.mycolor });
 614       const score = this.game.mycolor == "w" ? "0-1" : "1-0";
 615       const side = this.game.mycolor == "w" ? "White" : "Black";
 616       this.gameOver(score, side + " surrender");
 617     },
 618     // 3 cases for loading a game:
 619     //  - from indexedDB (running or completed live game I play)
 620     //  - from server (one correspondance game I play[ed] or not)
 621     //  - from remote peer (one live game I don't play, finished or not)
 622     loadGame: function(game, callback) {
 623       const afterRetrieval = async game => {
 624         const vModule = await import("@/variants/" + game.vname + ".js");
 625         window.V = vModule.VariantRules;
 626         this.vr = new V(game.fen);
 627         const gtype = game.cadence.indexOf("d") >= 0 ? "corr" : "live";
 628         const tc = extractTime(game.cadence);
 629         const myIdx = game.players.findIndex(p => {
 630           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 631         });
 632         const mycolor = [undefined, "w", "b"][myIdx + 1]; //undefined for observers
 633         if (!game.chats) game.chats = []; //live games don't have chat history
 634         if (gtype == "corr") {
 635           if (game.players[0].color == "b") {
 636             // Adopt the same convention for live and corr games: [0] = white
 637             [game.players[0], game.players[1]] = [
 638               game.players[1],
 639               game.players[0]
 640             ];
 641           }
 642           // NOTE: clocks in seconds, initime in milliseconds
 643           game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
 644           game.clocks = [tc.mainTime, tc.mainTime];
 645           const L = game.moves.length;
 646           if (game.score == "*") {
 647             // Set clocks + initime
 648             game.initime = [0, 0];
 649             if (L >= 1) {
 650               const gameLastupdate = game.moves[L-1].played;
 651               game.initime[L % 2] = gameLastupdate;
 652               if (L >= 2) {
 653                 game.clocks[L % 2] =
 654                   tc.mainTime - (Date.now() - gameLastupdate) / 1000;
 655               }
 656             }
 657           }
 658           // Sort chat messages from newest to oldest
 659           game.chats.sort((c1, c2) => {
 660             return c2.added - c1.added;
 661           });
 662           if (myIdx >= 0 && game.score == "*" && game.chats.length > 0) {
 663             // Did a chat message arrive after my last move?
 664             let dtLastMove = 0;
 665             if (L == 1 && myIdx == 0)
 666               dtLastMove = game.moves[0].played;
 667             else if (L >= 2) {
 668               if (L % 2 == 0) {
 669                 // It's now white turn
 670                 dtLastMove = game.moves[L-1-(1-myIdx)].played;
 671               } else {
 672                 // Black turn:
 673                 dtLastMove = game.moves[L-1-myIdx].played;
 674               }
 675             }
 676             if (dtLastMove < game.chats[0].added)
 677               document.getElementById("chatBtn").classList.add("somethingnew");
 678           }
 679           // Now that we used idx and played, re-format moves as for live games
 680           game.moves = game.moves.map(m => m.squares);
 681         }
 682         if (gtype == "live" && game.clocks[0] < 0) {
 683           // Game is unstarted
 684           game.clocks = [tc.mainTime, tc.mainTime];
 685           if (game.score == "*") {
 686             game.initime[0] = Date.now();
 687             if (myIdx >= 0) {
 688               // I play in this live game; corr games don't have clocks+initime
 689               GameStorage.update(game.id, {
 690                 clocks: game.clocks,
 691                 initime: game.initime
 692               });
 693             }
 694           }
 695         }
 696         if (!!game.drawOffer) {
 697           if (game.drawOffer == "t")
 698             // Three repetitions
 699             this.drawOffer = "threerep";
 700           else {
 701             // Draw offered by any of the players:
 702             if (myIdx < 0) this.drawOffer = "received";
 703             else {
 704               // I play in this game:
 705               if (
 706                 (game.drawOffer == "w" && myIdx == 0) ||
 707                 (game.drawOffer == "b" && myIdx == 1)
 708               )
 709                 this.drawOffer = "sent";
 710               else this.drawOffer = "received";
 711             }
 712           }
 713         }
 714         this.repeat = {}; //reset: scan past moves' FEN:
 715         let repIdx = 0;
 716         let vr_tmp = new V(game.fenStart);
 717         let curTurn = "n";
 718         game.moves.forEach(m => {
 719           playMove(m, vr_tmp);
 720           const fenIdx = vr_tmp.getFen().replace(/ /g, "_");
 721           this.repeat[fenIdx] = this.repeat[fenIdx]
 722             ? this.repeat[fenIdx] + 1
 723             : 1;
 724         });
 725         if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
 726         this.game = Object.assign(
 727           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 728           {
 729             type: gtype,
 730             increment: tc.increment,
 731             mycolor: mycolor,
 732             // opponent sid not strictly required (or available), but easier
 733             // at least oppsid or oppid is available anyway:
 734             oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
 735             oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].uid,
 736             addTimes: [], //used for live games
 737           },
 738           game,
 739         );
 740         if (this.gameIsLoading)
 741           // Re-load game because we missed some moves:
 742           // artificially reset BaseGame (required if moves arrived in wrong order)
 743           this.$refs["basegame"].re_setVariables();
 744         this.re_setClocks();
 745         this.$nextTick(() => {
 746           this.game.rendered = true;
 747           // Did lastate arrive before game was rendered?
 748           if (this.lastate) this.processLastate();
 749         });
 750         if (this.gameIsLoading) {
 751           this.gameIsLoading = false;
 752           if (this.gotMoveIdx >= game.moves.length)
 753             // Some moves arrived meanwhile...
 754             this.askGameAgain();
 755         }
 756         if (!!callback) callback();
 757       };
 758       if (!!game) {
 759         afterRetrieval(game);
 760         return;
 761       }
 762       if (this.gameRef.rid) {
 763         // Remote live game: forgetting about callback func... (TODO: design)
 764         this.send("askfullgame", { target: this.gameRef.rid });
 765       } else {
 766         // Local or corr game
 767         // NOTE: afterRetrieval() is never called if game not found
 768         GameStorage.get(this.gameRef.id, afterRetrieval);
 769       }
 770     },
 771     re_setClocks: function() {
 772       if (this.game.moves.length < 2 || this.game.score != "*") {
 773         // 1st move not completed yet, or game over: freeze time
 774         this.virtualClocks = this.game.clocks.map(s => ppt(s).split(':'));
 775         return;
 776       }
 777       const currentTurn = this.vr.turn;
 778       const currentMovesCount = this.game.moves.length;
 779       const colorIdx = ["w", "b"].indexOf(currentTurn);
 780       let countdown =
 781         this.game.clocks[colorIdx] -
 782         (Date.now() - this.game.initime[colorIdx]) / 1000;
 783       this.virtualClocks = [0, 1].map(i => {
 784         const removeTime =
 785           i == colorIdx ? (Date.now() - this.game.initime[colorIdx]) / 1000 : 0;
 786         return ppt(this.game.clocks[i] - removeTime).split(':');
 787       });
 788       let clockUpdate = setInterval(() => {
 789         if (
 790           countdown < 0 ||
 791           this.game.moves.length > currentMovesCount ||
 792           this.game.score != "*"
 793         ) {
 794           clearInterval(clockUpdate);
 795           if (countdown < 0)
 796             this.gameOver(
 797               currentTurn == "w" ? "0-1" : "1-0",
 798               "Time"
 799             );
 800         } else
 801           this.$set(
 802             this.virtualClocks,
 803             colorIdx,
 804             ppt(Math.max(0, --countdown)).split(':')
 805           );
 806       }, 1000);
 807     },
 808     // Update variables and storage after a move:
 809     processMove: function(move, data) {
 810       if (!data) data = {};
 811       const moveCol = this.vr.turn;
 812       const doProcessMove = () => {
 813         const colorIdx = ["w", "b"].indexOf(moveCol);
 814         const nextIdx = 1 - colorIdx;
 815         const origMovescount = this.game.moves.length;
 816         let addTime =
 817           this.game.type == "live"
 818             ? (data.addTime || 0)
 819             : undefined;
 820         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
 821           if (this.drawOffer == "received")
 822             // I refuse draw
 823             this.drawOffer = "";
 824           if (this.game.type == "live" && origMovescount >= 2) {
 825             const elapsed = Date.now() - this.game.initime[colorIdx];
 826             // elapsed time is measured in milliseconds
 827             addTime = this.game.increment - elapsed / 1000;
 828           }
 829         }
 830         // Update current game object:
 831         playMove(move, this.vr);
 832 // TODO: notifyTurn: "changeturn" message
 833         this.game.moves.push(move);
 834         // (add)Time indication: useful in case of lastate infos requested
 835         if (this.game.type == "live")
 836           this.game.addTimes.push(addTime);
 837         this.game.fen = this.vr.getFen();
 838         if (this.game.type == "live") this.game.clocks[colorIdx] += addTime;
 839         // In corr games, just reset clock to mainTime:
 840         else this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
 841         // data.initime is set only when I receive a "lastate" move from opponent
 842         this.game.initime[nextIdx] = data.initime || Date.now();
 843         this.re_setClocks();
 844         // If repetition detected, consider that a draw offer was received:
 845         const fenObj = this.vr.getFenForRepeat();
 846         this.repeat[fenObj] = this.repeat[fenObj] ? this.repeat[fenObj] + 1 : 1;
 847         if (this.repeat[fenObj] >= 3) this.drawOffer = "threerep";
 848         else if (this.drawOffer == "threerep") this.drawOffer = "";
 849         // Since corr games are stored at only one location, update should be
 850         // done only by one player for each move:
 851         if (!!this.game.mycolor && !data.receiveMyMove) {
 852           // NOTE: 'var' to see that variable outside this block
 853           var filtered_move = getFilteredMove(move);
 854         }
 855         if (
 856           !!this.game.mycolor &&
 857           !data.receiveMyMove &&
 858           (this.game.type == "live" || moveCol == this.game.mycolor)
 859         ) {
 860           let drawCode = "";
 861           switch (this.drawOffer) {
 862             case "threerep":
 863               drawCode = "t";
 864               break;
 865             case "sent":
 866               drawCode = this.game.mycolor;
 867               break;
 868             case "received":
 869               drawCode = V.GetOppCol(this.game.mycolor);
 870               break;
 871           }
 872           if (this.game.type == "corr") {
 873             GameStorage.update(this.gameRef.id, {
 874               fen: this.game.fen,
 875               move: {
 876                 squares: filtered_move,
 877                 played: Date.now(),
 878                 idx: origMovescount
 879               },
 880               // Code "n" for "None" to force reset (otherwise it's ignored)
 881               drawOffer: drawCode || "n"
 882             });
 883           }
 884           else {
 885             const updateStorage = () => {
 886               GameStorage.update(this.gameRef.id, {
 887                 fen: this.game.fen,
 888                 move: filtered_move,
 889                 moveIdx: origMovescount,
 890                 clocks: this.game.clocks,
 891                 initime: this.game.initime,
 892                 drawOffer: drawCode
 893               });
 894             };
 895             // The active tab can update storage immediately
 896             if (!document.hidden) updateStorage();
 897             // Small random delay otherwise
 898             else setTimeout(updateStorage, 500 + 1000 * Math.random());
 899           }
 900         }
 901         // Send move ("newmove" event) to people in the room (if our turn)
 902         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
 903           const sendMove = {
 904             move: filtered_move,
 905             index: origMovescount,
 906             // color is required to check if this is my move (if several tabs opened)
 907             color: moveCol,
 908             addTime: addTime, //undefined for corr games
 909             cancelDrawOffer: this.drawOffer == ""
 910           };
 911           this.opponentGotMove = false;
 912           this.send("newmove", {data: sendMove});
 913           // If the opponent doesn't reply gotmove soon enough, re-send move:
 914           let retrySendmove = setInterval(
 915             () => {
 916               if (this.opponentGotMove) {
 917                 clearInterval(retrySendmove);
 918                 return;
 919               }
 920               let oppsid = this.game.players[nextIdx].sid;
 921               if (!oppsid) {
 922                 oppsid = Object.keys(this.people).find(
 923                   sid => this.people[sid].id == this.game.players[nextIdx].uid
 924                 );
 925               }
 926               if (!oppsid || !this.people[oppsid])
 927                 // Opponent is disconnected: he'll ask last state
 928                 clearInterval(retrySendmove);
 929               else this.send("newmove", {data: sendMove, target: oppsid});
 930             },
 931             1000
 932           );
 933         }
 934       };
 935       if (
 936         this.game.type == "corr" &&
 937         moveCol == this.game.mycolor &&
 938         !data.receiveMyMove
 939       ) {
 940         setTimeout(() => {
 941           // TODO: remplacer cette confirm box par qqch de plus discret
 942           // (et de même pour challenge accepté / refusé)
 943           if (
 944             !confirm(
 945               this.st.tr["Move played:"] +
 946                 " " +
 947                 getFullNotation(move) +
 948                 "\n" +
 949                 this.st.tr["Are you sure?"]
 950             )
 951           ) {
 952             this.$refs["basegame"].cancelLastMove();
 953             return;
 954           }
 955           doProcessMove();
 956         // Let small time to finish drawing current move attempt:
 957         }, 500);
 958       }
 959       else doProcessMove();
 960     },
 961     gameOver: function(score, scoreMsg) {
 962       this.game.score = score;
 963       this.$set(this.game, "scoreMsg", scoreMsg || getScoreMessage(score));
 964       const myIdx = this.game.players.findIndex(p => {
 965         return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 966       });
 967       if (myIdx >= 0) {
 968         // OK, I play in this game
 969         GameStorage.update(this.gameRef.id, {
 970           score: score,
 971           scoreMsg: scoreMsg
 972         });
 973         // Notify the score to main Hall. TODO: only one player (currently double send)
 974         this.send("result", { gid: this.game.id, score: score });
 975       }
 976     }
 977   }
 978 };
 979 </script>
 980
 981 <style lang="sass" scoped>
 982 .connected
 983   background-color: lightgreen
 984
 985 #participants
 986   margin-left: 5px
 987
 988 .anonymous
 989   color: grey
 990   font-style: italic
 991
 992 #playersInfo > p
 993   margin: 0
 994
 995 @media screen and (min-width: 768px)
 996   #actions
 997     width: 300px
 998 @media screen and (max-width: 767px)
 999   .game
1000     width: 100%
1001
1002 #actions
1003   display: inline-block
1004   margin: 0
1005
1006 button
1007   display: inline-block
1008   margin: 0
1009   display: inline-flex
1010   img
1011     height: 24px
1012     display: flex
1013     @media screen and (max-width: 767px)
1014       height: 18px
1015
1016 @media screen and (max-width: 767px)
1017   #aboveBoard
1018     text-align: center
1019 @media screen and (min-width: 768px)
1020   #aboveBoard
1021     margin-left: 30%
1022
1023 .variant-cadence
1024   padding-right: 10px
1025
1026 .variant-name
1027   font-weight: bold
1028   padding-right: 10px
1029
1030 span#nextGame
1031   background-color: #edda99
1032   cursor: pointer
1033   display: inline-block
1034   margin-right: 10px
1035
1036 span.name
1037   font-size: 1.5rem
1038   padding: 0 3px
1039
1040 span.time
1041   font-size: 2rem
1042   display: inline-block
1043   .time-left
1044     margin-left: 10px
1045   .time-right
1046     margin-left: 5px
1047   .time-separator
1048     margin-left: 5px
1049     position: relative
1050     top: -1px
1051
1052 span.yourturn
1053   color: #831B1B
1054   .time-separator
1055     animation: blink-animation 2s steps(3, start) infinite
1056 @keyframes blink-animation
1057   to
1058     visibility: hidden
1059
1060 .split-names
1061   display: inline-block
1062   margin: 0 15px
1063
1064 #chat
1065   padding-top: 20px
1066   max-width: 767px
1067   border: none;
1068
1069 .draw-sent, .draw-sent:hover
1070   background-color: lightyellow
1071
1072 .draw-received, .draw-received:hover
1073   background-color: lightgreen
1074
1075 .draw-threerep, .draw-threerep:hover
1076   background-color: #e4d1fc
1077
1078 .somethingnew
1079   background-color: #c5fefe
1080 </style>