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)")
  21           | + @nonymous
  22       Chat(
  23         :players="game.players"
  24         :pastChats="game.chats"
  25         :newChat="newChat"
  26         @mychat="processChat"
  27       )
  28   .row
  29     #aboveBoard.col-sm-12.col-md-9.col-md-offset-3.col-lg-10.col-lg-offset-2
  30       span.variant-cadence {{ game.cadence }}
  31       span.variant-name {{ game.vname }}
  32       button#chatBtn(onClick="window.doClick('modalChat')") Chat
  33       #actions(v-if="game.score=='*'")
  34         button(
  35           @click="clickDraw()"
  36           :class="{['draw-' + drawOffer]: true}"
  37         )
  38           | {{ st.tr["Draw"] }}
  39         button(
  40           v-if="!!game.mycolor"
  41           @click="abortGame()"
  42         )
  43           | {{ st.tr["Abort"] }}
  44         button(
  45           v-if="!!game.mycolor"
  46           @click="resign()"
  47         )
  48           | {{ st.tr["Resign"] }}
  49       #playersInfo
  50         p
  51           span.name(:class="{connected: isConnected(0)}")
  52             | {{ game.players[0].name || "@nonymous" }}
  53           span.time(v-if="game.score=='*'") {{ virtualClocks[0] }}
  54           span.split-names -
  55           span.name(:class="{connected: isConnected(1)}")
  56             | {{ game.players[1].name || "@nonymous" }}
  57           span.time(v-if="game.score=='*'") {{ virtualClocks[1] }}
  58   BaseGame(
  59     ref="basegame"
  60     :game="game"
  61     :vr="vr"
  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 { extractTime } from "@/utils/timeControl";
  74 import { getRandString } from "@/utils/alea";
  75 import { processModalClick } from "@/utils/modalClick";
  76 import { getScoreMessage } from "@/utils/scoring";
  77 import params from "@/parameters";
  78 export default {
  79   name: "my-game",
  80   components: {
  81     BaseGame,
  82     Chat
  83   },
  84   // gameRef: to find the game in (potentially remote) storage
  85   data: function() {
  86     return {
  87       st: store.state,
  88       gameRef: {
  89         //given in URL (rid = remote ID)
  90         id: "",
  91         rid: ""
  92       },
  93       game: {
  94         //passed to BaseGame
  95         players: [{ name: "" }, { name: "" }],
  96         chats: [],
  97         rendered: false
  98       },
  99       virtualClocks: [0, 0], //initialized with true game.clocks
 100       vr: null, //"variant rules" object initialized from FEN
 101       drawOffer: "",
 102       people: {}, //players + observers
 103       lastate: undefined, //used if opponent send lastate before game is ready
 104       repeat: {}, //detect position repetition
 105       newChat: "",
 106       conn: null,
 107       connexionString: "",
 108       // Related to (killing of) self multi-connects:
 109       newConnect: {},
 110       killed: {}
 111     };
 112   },
 113   watch: {
 114     $route: function(to) {
 115       this.gameRef.id = to.params["id"];
 116       this.gameRef.rid = to.query["rid"];
 117       this.loadGame();
 118     }
 119   },
 120   // NOTE: some redundant code with Hall.vue (mostly related to people array)
 121   created: function() {
 122     // Always add myself to players' list
 123     const my = this.st.user;
 124     this.$set(this.people, my.sid, { id: my.id, name: my.name });
 125     this.gameRef.id = this.$route.params["id"];
 126     this.gameRef.rid = this.$route.query["rid"]; //may be undefined
 127     // Initialize connection
 128     this.connexionString =
 129       params.socketUrl +
 130       "/?sid=" +
 131       this.st.user.sid +
 132       "&tmpId=" +
 133       getRandString() +
 134       "&page=" +
 135       encodeURIComponent(this.$route.path);
 136     this.conn = new WebSocket(this.connexionString);
 137     this.conn.onmessage = this.socketMessageListener;
 138     this.conn.onclose = this.socketCloseListener;
 139     // Socket init required before loading remote game:
 140     const socketInit = callback => {
 141       if (!!this.conn && this.conn.readyState == 1)
 142         // 1 == OPEN state
 143         callback();
 144       else {
 145         // Socket not ready yet (initial loading)
 146         // NOTE: it's important to call callback without arguments,
 147         // otherwise first arg is Websocket object and loadGame fails.
 148         this.conn.onopen = () => {
 149           return callback();
 150         };
 151       }
 152     };
 153     if (!this.gameRef.rid)
 154       // Game stored locally or on server
 155       this.loadGame(null, () => socketInit(this.roomInit));
 156     else {
 157       // Game stored remotely: need socket to retrieve it
 158       // NOTE: the callback "roomInit" will be lost, so we don't provide it.
 159       // --> It will be given when receiving "fullgame" socket event.
 160       // A more general approach would be to store it somewhere.
 161       socketInit(this.loadGame);
 162     }
 163   },
 164   mounted: function() {
 165     document
 166       .getElementById("chatWrap")
 167       .addEventListener("click", processModalClick);
 168   },
 169   beforeDestroy: function() {
 170     this.send("disconnect");
 171   },
 172   methods: {
 173     roomInit: function() {
 174       // Notify the room only now that I connected, because
 175       // messages might be lost otherwise (if game loading is slow)
 176       this.send("connect");
 177       this.send("pollclients");
 178     },
 179     send: function(code, obj) {
 180       if (this.conn) {
 181         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 182       }
 183     },
 184     isConnected: function(index) {
 185       const player = this.game.players[index];
 186       // Is it me ?
 187       if (this.st.user.sid == player.sid || this.st.user.id == player.uid)
 188         return true;
 189       // Try to find a match in people:
 190       return (
 191         Object.keys(this.people).some(sid => sid == player.sid) ||
 192         Object.values(this.people).some(p => p.id == player.uid)
 193       );
 194     },
 195     socketMessageListener: function(msg) {
 196       if (!this.conn) return;
 197       const data = JSON.parse(msg.data);
 198       switch (data.code) {
 199         case "pollclients":
 200           data.sockIds.forEach(sid => {
 201             this.$set(this.people, sid, { id: 0, name: "" });
 202             if (sid != this.st.user.sid) {
 203               this.send("askidentity", { target: sid });
 204               // Ask potentially missed last state, if opponent and I play
 205               if (
 206                 !!this.game.mycolor &&
 207                 this.game.type == "live" &&
 208                 this.game.score == "*" &&
 209                 this.game.players.some(p => p.sid == sid)
 210               ) {
 211                 this.send("asklastate", { target: sid });
 212               }
 213             }
 214           });
 215           break;
 216         case "connect":
 217           if (!this.people[data.from])
 218             this.$set(this.people, data.from, { name: "", id: 0 });
 219           if (!this.people[data.from].name) {
 220             this.newConnect[data.from] = true; //for self multi-connects tests
 221             this.send("askidentity", { target: data.from });
 222           }
 223           break;
 224         case "disconnect":
 225           this.$delete(this.people, data.from);
 226           break;
 227         case "killed":
 228           // I logged in elsewhere:
 229           alert(this.st.tr["New connexion detected: tab now offline"]);
 230           // TODO: this fails. See https://github.com/websockets/ws/issues/489
 231           //this.conn.removeEventListener("message", this.socketMessageListener);
 232           //this.conn.removeEventListener("close", this.socketCloseListener);
 233           //this.conn.close();
 234           this.conn = null;
 235           break;
 236         case "askidentity": {
 237           // Request for identification (TODO: anonymous shouldn't need to reply)
 238           const me = {
 239             // Decompose to avoid revealing email
 240             name: this.st.user.name,
 241             sid: this.st.user.sid,
 242             id: this.st.user.id
 243           };
 244           this.send("identity", { data: me, target: data.from });
 245           break;
 246         }
 247         case "identity": {
 248           const user = data.data;
 249           if (user.name) {
 250             // If I multi-connect, kill current connexion if no mark (I'm older)
 251             if (
 252               this.newConnect[user.sid] &&
 253               user.id > 0 &&
 254               user.id == this.st.user.id &&
 255               user.sid != this.st.user.sid
 256             ) {
 257               if (!this.killed[this.st.user.sid]) {
 258                 this.send("killme", { sid: this.st.user.sid });
 259                 this.killed[this.st.user.sid] = true;
 260               }
 261             }
 262             if (user.sid != this.st.user.sid) {
 263               //I already know my identity...
 264               this.$set(this.people, user.sid, {
 265                 id: user.id,
 266                 name: user.name
 267               });
 268             }
 269           }
 270           delete this.newConnect[user.sid];
 271           break;
 272         }
 273         case "askgame":
 274           // Send current (live) game if not asked by any of the players
 275           if (
 276             this.game.type == "live" &&
 277             this.game.players.every(p => p.sid != data.from[0])
 278           ) {
 279             const myGame = {
 280               id: this.game.id,
 281               fen: this.game.fen,
 282               players: this.game.players,
 283               vid: this.game.vid,
 284               cadence: this.game.cadence,
 285               score: this.game.score,
 286               rid: this.st.user.sid //useful in Hall if I'm an observer
 287             };
 288             this.send("game", { data: myGame, target: data.from });
 289           }
 290           break;
 291         case "askfullgame":
 292           this.send("fullgame", { data: this.game, target: data.from });
 293           break;
 294         case "fullgame":
 295           // Callback "roomInit" to poll clients only after game is loaded
 296           this.loadGame(data.data, this.roomInit);
 297           break;
 298         case "asklastate":
 299           // Sending last state if I played a move or score != "*"
 300           if (
 301             (this.game.moves.length > 0 && this.vr.turn != this.game.mycolor) ||
 302             this.game.score != "*" ||
 303             this.drawOffer == "sent"
 304           ) {
 305             // Send our "last state" informations to opponent
 306             const L = this.game.moves.length;
 307             const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 308             const myLastate = {
 309               // NOTE: lastMove (when defined) includes addTime
 310               lastMove: L > 0 ? this.game.moves[L - 1] : undefined,
 311               // Since we played a move (or abort or resign),
 312               // only drawOffer=="sent" is possible
 313               drawSent: this.drawOffer == "sent",
 314               score: this.game.score,
 315               movesCount: L,
 316               initime: this.game.initime[1 - myIdx] //relevant only if I played
 317             };
 318             this.send("lastate", { data: myLastate, target: data.from });
 319           }
 320           break;
 321         case "lastate": //got opponent infos about last move
 322           this.lastate = data.data;
 323           if (this.game.rendered)
 324             //game is rendered (Board component)
 325             this.processLastate();
 326           //else: will be processed when game is ready
 327           break;
 328         case "newmove": {
 329           const move = data.data;
 330           if (move.cancelDrawOffer) {
 331             //opponent refuses draw
 332             this.drawOffer = "";
 333             // NOTE for corr games: drawOffer reset by player in turn
 334             if (this.game.type == "live" && !!this.game.mycolor)
 335               GameStorage.update(this.gameRef.id, { drawOffer: "" });
 336           }
 337           this.$refs["basegame"].play(move, "received");
 338           break;
 339         }
 340         case "resign":
 341           const score = data.side == "b" ? "1-0" : "0-1";
 342           const side = data.side == "w" ? "White" : "Black";
 343           this.gameOver(score, side + " surrender");
 344           break;
 345         case "abort":
 346           this.gameOver("?", "Stop");
 347           break;
 348         case "draw":
 349           this.gameOver("1/2", data.data);
 350           break;
 351         case "drawoffer":
 352           // NOTE: observers don't know who offered draw
 353           this.drawOffer = "received";
 354           break;
 355         case "newchat":
 356           this.newChat = data.data;
 357           if (!document.getElementById("modalChat").checked)
 358             document.getElementById("chatBtn").classList.add("somethingnew");
 359           break;
 360       }
 361     },
 362     socketCloseListener: function() {
 363       this.conn = new WebSocket(this.connexionString);
 364       this.conn.addEventListener("message", this.socketMessageListener);
 365       this.conn.addEventListener("close", this.socketCloseListener);
 366     },
 367     // lastate was received, but maybe game wasn't ready yet:
 368     processLastate: function() {
 369       const data = this.lastate;
 370       this.lastate = undefined; //security...
 371       const L = this.game.moves.length;
 372       if (data.movesCount > L) {
 373         // Just got last move from him
 374         this.$refs["basegame"].play(
 375           Object.assign({ initime: data.initime }, data.lastMove)
 376         );
 377       }
 378       if (data.drawSent) this.drawOffer = "received";
 379       if (data.score != "*") {
 380         this.drawOffer = "";
 381         if (this.game.score == "*") this.gameOver(data.score);
 382       }
 383     },
 384     clickDraw: function() {
 385       if (!this.game.mycolor) return; //I'm just spectator
 386       if (["received", "threerep"].includes(this.drawOffer)) {
 387         if (!confirm(this.st.tr["Accept draw?"])) return;
 388         const message =
 389           this.drawOffer == "received"
 390             ? "Mutual agreement"
 391             : "Three repetitions";
 392         this.send("draw", { data: message });
 393         this.gameOver("1/2", message);
 394       } else if (this.drawOffer == "") {
 395         //no effect if drawOffer == "sent"
 396         if (this.game.mycolor != this.vr.turn) {
 397           alert(this.st.tr["Draw offer only in your turn"]);
 398           return;
 399         }
 400         if (!confirm(this.st.tr["Offer draw?"])) return;
 401         this.drawOffer = "sent";
 402         this.send("drawoffer");
 403         GameStorage.update(this.gameRef.id, { drawOffer: this.game.mycolor });
 404       }
 405     },
 406     abortGame: function() {
 407       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"])) return;
 408       this.gameOver("?", "Stop");
 409       this.send("abort");
 410     },
 411     resign: function() {
 412       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
 413         return;
 414       this.send("resign", { data: this.game.mycolor });
 415       const score = this.game.mycolor == "w" ? "0-1" : "1-0";
 416       const side = this.game.mycolor == "w" ? "White" : "Black";
 417       this.gameOver(score, side + " surrender");
 418     },
 419     // 3 cases for loading a game:
 420     //  - from indexedDB (running or completed live game I play)
 421     //  - from server (one correspondance game I play[ed] or not)
 422     //  - from remote peer (one live game I don't play, finished or not)
 423     loadGame: function(game, callback) {
 424       const afterRetrieval = async game => {
 425         const vModule = await import("@/variants/" + game.vname + ".js");
 426         window.V = vModule.VariantRules;
 427         this.vr = new V(game.fen);
 428         const gtype = game.cadence.indexOf("d") >= 0 ? "corr" : "live";
 429         const tc = extractTime(game.cadence);
 430         const myIdx = game.players.findIndex(p => {
 431           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 432         });
 433         const mycolor = [undefined, "w", "b"][myIdx + 1]; //undefined for observers
 434         if (!game.chats) game.chats = []; //live games don't have chat history
 435         if (gtype == "corr") {
 436           if (game.players[0].color == "b") {
 437             // Adopt the same convention for live and corr games: [0] = white
 438             [game.players[0], game.players[1]] = [
 439               game.players[1],
 440               game.players[0]
 441             ];
 442           }
 443           // corr game: need to compute the clocks + initime
 444           // NOTE: clocks in seconds, initime in milliseconds
 445           game.clocks = [tc.mainTime, tc.mainTime];
 446           game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
 447           if (game.score == "*") {
 448             //otherwise no need to bother with time
 449             game.initime = [0, 0];
 450             const L = game.moves.length;
 451             if (L >= 3) {
 452               let addTime = [0, 0];
 453               for (let i = 2; i < L; i++) {
 454                 addTime[i % 2] +=
 455                   tc.increment -
 456                   (game.moves[i].played - game.moves[i - 1].played) / 1000;
 457               }
 458               for (let i = 0; i <= 1; i++) game.clocks[i] += addTime[i];
 459             }
 460             if (L >= 1) game.initime[L % 2] = game.moves[L - 1].played;
 461           }
 462           // Sort chat messages from newest to oldest
 463           game.chats.sort((c1, c2) => {
 464             return c2.added - c1.added;
 465           });
 466           if (myIdx >= 0 && game.chats.length > 0) {
 467             // Did a chat message arrive after my last move?
 468             let vr_tmp = new V(game.fen); //start from last position
 469             let dtLastMove = 0;
 470             for (let midx = game.moves.length - 1; midx >= 0; midx--) {
 471               vr_tmp.undo(game.moves[midx]);
 472               if (vr_tmp.turn == mycolor) {
 473                 dtLastMove = game.moves[midx].played;
 474                 break;
 475               }
 476             }
 477             if (dtLastMove < game.chats[0].added)
 478               document.getElementById("chatBtn").classList.add("somethingnew");
 479           }
 480           // Now that we used idx and played, re-format moves as for live games
 481           game.moves = game.moves.map(m => m.squares);
 482         }
 483         if (gtype == "live" && game.clocks[0] < 0) {
 484           // Game is unstarted
 485           game.clocks = [tc.mainTime, tc.mainTime];
 486           if (game.score == "*") {
 487             game.initime[0] = Date.now();
 488             if (myIdx >= 0) {
 489               // I play in this live game; corr games don't have clocks+initime
 490               GameStorage.update(game.id, {
 491                 clocks: game.clocks,
 492                 initime: game.initime
 493               });
 494             }
 495           }
 496         }
 497         if (game.drawOffer) {
 498           if (game.drawOffer == "t")
 499             // Three repetitions
 500             this.drawOffer = "threerep";
 501           else {
 502             // Draw offered by any of the players:
 503             if (myIdx < 0) this.drawOffer = "received";
 504             else {
 505               // I play in this game:
 506               if (
 507                 (game.drawOffer == "w" && myIdx == 0) ||
 508                 (game.drawOffer == "b" && myIdx == 1)
 509               )
 510                 this.drawOffer = "sent";
 511               else this.drawOffer = "received";
 512             }
 513           }
 514         }
 515         this.game = Object.assign(
 516           {},
 517           game,
 518           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 519           {
 520             type: gtype,
 521             increment: tc.increment,
 522             mycolor: mycolor,
 523             // opponent sid not strictly required (or available), but easier
 524             // at least oppsid or oppid is available anyway:
 525             oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
 526             oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].uid
 527           }
 528         );
 529         this.re_setClocks();
 530         this.$nextTick(() => {
 531           this.game.rendered = true;
 532           // Did lastate arrive before game was rendered?
 533           if (this.lastate) this.processLastate();
 534         });
 535         this.repeat = {}; //reset: scan past moves' FEN:
 536         let repIdx = 0;
 537         // NOTE: vr_tmp to obtain FEN strings is redundant with BaseGame
 538         let vr_tmp = new V(game.fenStart);
 539         game.moves.forEach(m => {
 540           vr_tmp.play(m);
 541           const fenObj = V.ParseFen(vr_tmp.getFen());
 542           repIdx = fenObj.position + "_" + fenObj.turn;
 543           if (fenObj.flags) repIdx += "_" + fenObj.flags;
 544           this.repeat[repIdx] = this.repeat[repIdx]
 545             ? this.repeat[repIdx] + 1
 546             : 1;
 547         });
 548         if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
 549         if (callback) callback();
 550       };
 551       if (game) {
 552         afterRetrieval(game);
 553         return;
 554       }
 555       if (this.gameRef.rid) {
 556         // Remote live game: forgetting about callback func... (TODO: design)
 557         this.send("askfullgame", { target: this.gameRef.rid });
 558       } else {
 559         // Local or corr game
 560         // NOTE: afterRetrieval() is never called if game not found
 561         GameStorage.get(this.gameRef.id, afterRetrieval);
 562       }
 563     },
 564     re_setClocks: function() {
 565       if (this.game.moves.length < 2 || this.game.score != "*") {
 566         // 1st move not completed yet, or game over: freeze time
 567         this.virtualClocks = this.game.clocks.map(s => ppt(s));
 568         return;
 569       }
 570       const currentTurn = this.vr.turn;
 571       const currentMovesCount = this.game.moves.length;
 572       const colorIdx = ["w", "b"].indexOf(currentTurn);
 573       let countdown =
 574         this.game.clocks[colorIdx] -
 575         (Date.now() - this.game.initime[colorIdx]) / 1000;
 576       this.virtualClocks = [0, 1].map(i => {
 577         const removeTime =
 578           i == colorIdx ? (Date.now() - this.game.initime[colorIdx]) / 1000 : 0;
 579         return ppt(this.game.clocks[i] - removeTime);
 580       });
 581       let clockUpdate = setInterval(() => {
 582         if (
 583           countdown < 0 ||
 584           this.game.moves.length > currentMovesCount ||
 585           this.game.score != "*"
 586         ) {
 587           clearInterval(clockUpdate);
 588           if (countdown < 0)
 589             this.gameOver(
 590               currentTurn == "w" ? "0-1" : "1-0",
 591               this.st.tr["Time"]
 592             );
 593         } else
 594           this.$set(
 595             this.virtualClocks,
 596             colorIdx,
 597             ppt(Math.max(0, --countdown))
 598           );
 599       }, 1000);
 600     },
 601     // Post-process a (potentially partial) move (which was just played in BaseGame)
 602     processMove: function(move) {
 603       if (this.game.type == "corr" && move.color == this.game.mycolor) {
 604         if (
 605           !confirm(
 606             this.st.tr["Move played:"] +
 607               " " +
 608               move.notation +
 609               "\n" +
 610               this.st.tr["Are you sure?"]
 611           )
 612         ) {
 613           this.$refs["basegame"].undo(move);
 614           return;
 615         }
 616       }
 617       const colorIdx = ["w", "b"].indexOf(move.color);
 618       const nextIdx = ["w", "b"].indexOf(this.vr.turn);
 619       // https://stackoverflow.com/a/38750895
 620       if (this.game.mycolor) {
 621         const allowed_fields = ["appear", "vanish", "start", "end"];
 622         // NOTE: 'var' to see that variable outside this block
 623         var filtered_move = Object.keys(move)
 624           .filter(key => allowed_fields.includes(key))
 625           .reduce((obj, key) => {
 626             obj[key] = move[key];
 627             return obj;
 628           }, {});
 629       }
 630       // Send move ("newmove" event) to people in the room (if our turn)
 631       let addTime = 0;
 632       if (move.color == this.game.mycolor) {
 633         if (this.drawOffer == "received")
 634           //I refuse draw
 635           this.drawOffer = "";
 636         if (this.game.moves.length >= 2) {
 637           //after first move
 638           const elapsed = Date.now() - this.game.initime[colorIdx];
 639           // elapsed time is measured in milliseconds
 640           addTime = this.game.increment - elapsed / 1000;
 641         }
 642         const sendMove = Object.assign({}, filtered_move, {
 643           addTime: addTime,
 644           cancelDrawOffer: this.drawOffer == ""
 645         });
 646         this.send("newmove", { data: sendMove });
 647         // (Add)Time indication: useful in case of lastate infos requested
 648         move.addTime = addTime;
 649       } else addTime = move.addTime; //supposed transmitted
 650       // Update current game object:
 651       this.game.moves.push(move);
 652       this.game.fen = move.fen;
 653       this.game.clocks[colorIdx] += addTime;
 654       // move.initime is set only when I receive a "lastate" move from opponent
 655       this.game.initime[nextIdx] = move.initime || Date.now();
 656       //if (colorIdx != nextIdx)
 657         this.re_setClocks();
 658       // If repetition detected, consider that a draw offer was received:
 659       const fenObj = V.ParseFen(move.fen);
 660       let repIdx = fenObj.position + "_" + fenObj.turn;
 661       if (fenObj.flags) repIdx += "_" + fenObj.flags;
 662       this.repeat[repIdx] = this.repeat[repIdx] ? this.repeat[repIdx] + 1 : 1;
 663       if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
 664       else if (this.drawOffer == "threerep") this.drawOffer = "";
 665       // Since corr games are stored at only one location, update should be
 666       // done only by one player for each move:
 667       if (
 668         this.game.mycolor &&
 669         (this.game.type == "live" || move.color == this.game.mycolor)
 670       ) {
 671         let drawCode = "";
 672         switch (this.drawOffer) {
 673           case "threerep":
 674             drawCode = "t";
 675             break;
 676           case "sent":
 677             drawCode = this.game.mycolor;
 678             break;
 679           case "received":
 680             drawCode = this.vr.turn;
 681             break;
 682         }
 683         if (this.game.type == "corr") {
 684           GameStorage.update(this.gameRef.id, {
 685             fen: move.fen,
 686             move: {
 687               squares: filtered_move,
 688               played: Date.now(),
 689               idx: this.game.moves.length - 1
 690             },
 691             // Code "n" for "None" to force reset (otherwise it's ignored)
 692             drawOffer: drawCode || "n"
 693           });
 694         }
 695         else {
 696           // Live game:
 697           GameStorage.update(this.gameRef.id, {
 698             fen: move.fen,
 699             move: filtered_move,
 700             clocks: this.game.clocks,
 701             initime: this.game.initime,
 702             drawOffer: drawCode
 703           });
 704         }
 705       }
 706     },
 707     resetChatColor: function() {
 708       // TODO: this is called twice, once on opening an once on closing
 709       document.getElementById("chatBtn").classList.remove("somethingnew");
 710     },
 711     processChat: function(chat) {
 712       this.send("newchat", { data: chat });
 713       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 714       if (this.game.type == "corr" && this.st.user.id > 0)
 715         GameStorage.update(this.gameRef.id, { chat: chat });
 716     },
 717     gameOver: function(score, scoreMsg) {
 718       this.game.score = score;
 719       this.$set(this.game, "scoreMsg", scoreMsg || getScoreMessage(score));
 720       const myIdx = this.game.players.findIndex(p => {
 721         return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 722       });
 723       if (myIdx >= 0) {
 724         // OK, I play in this game
 725         GameStorage.update(this.gameRef.id, {
 726           score: score,
 727           scoreMsg: scoreMsg
 728         });
 729         // Notify the score to main Hall. TODO: only one player (currently double send)
 730         this.send("result", { gid: this.game.id, score: score });
 731       }
 732     }
 733   }
 734 };
 735 </script>
 736
 737 <style lang="sass" scoped>
 738 .connected
 739   background-color: lightgreen
 740
 741 #participants
 742   margin-left: 5px
 743
 744 .anonymous
 745   color: grey
 746   font-style: italic
 747
 748 #playersInfo > p
 749   margin: 0
 750
 751 @media screen and (min-width: 768px)
 752   #actions
 753     width: 300px
 754 @media screen and (max-width: 767px)
 755   .game
 756     width: 100%
 757
 758 #actions
 759   display: inline-block
 760   margin: 0
 761   button
 762     display: inline-block
 763     margin: 0
 764
 765 @media screen and (max-width: 767px)
 766   #aboveBoard
 767     text-align: center
 768 @media screen and (min-width: 768px)
 769   #aboveBoard
 770     margin-left: 30%
 771
 772 .variant-cadence
 773   padding-right: 10px
 774
 775 .variant-name
 776   font-weight: bold
 777   padding-right: 10px
 778
 779 .name
 780   font-size: 1.5rem
 781   padding: 1px
 782
 783 .time
 784   font-size: 2rem
 785   display: inline-block
 786   margin-left: 10px
 787
 788 .split-names
 789   display: inline-block
 790   margin: 0 15px
 791
 792 #chat
 793   padding-top: 20px
 794   max-width: 767px
 795   border: none;
 796
 797 #chatBtn
 798   margin: 0 10px 0 0
 799
 800 .draw-sent, .draw-sent:hover
 801   background-color: lightyellow
 802
 803 .draw-received, .draw-received:hover
 804   background-color: lightgreen
 805
 806 .draw-threerep, .draw-threerep:hover
 807   background-color: #e4d1fc
 808
 809 .somethingnew
 810   background-color: #c5fefe
 811 </style>