client/src/views/Game.vue

   1 <template lang="pug">
   2 main
   3   input#modalRules.modal(type="checkbox")
   4   div#rulesDiv(
   5     role="dialog"
   6     data-checkbox="modalRules"
   7   )
   8     .card
   9       label.modal-close(for="modalRules")
  10       a#variantNameInGame(:href="'/#/variants/'+game.vname") {{ game.vdisp }}
  11       div(v-html="rulesContent")
  12   input#modalScore.modal(type="checkbox")
  13   div#scoreDiv(
  14     role="dialog"
  15     data-checkbox="modalScore"
  16   )
  17     .card.text-center
  18       label.modal-close(for="modalScore")
  19       p.score-section
  20         span.score {{ game.score }}
  21         | &nbsp;:&nbsp;
  22         span.score-msg {{ st.tr[game.scoreMsg] }}
  23   input#modalRematch.modal(type="checkbox")
  24   div#rematchDiv(
  25     role="dialog"
  26     data-checkbox="modalRematch"
  27   )
  28     .card.text-center
  29       label.modal-close(for="modalRematch")
  30       a(
  31         :href="'#/game/' + rematchId"
  32         onClick="document.getElementById('modalRematch').checked=false"
  33       )
  34         | {{ st.tr["Rematch in progress"] }}
  35   input#modalChat.modal(
  36     type="checkbox"
  37     @click="toggleChat()"
  38   )
  39   div#chatWrap(
  40     role="dialog"
  41     data-checkbox="modalChat"
  42   )
  43     .card
  44       label.modal-close(for="modalChat")
  45       #participants
  46         span {{ st.tr["Participant(s):"] }}
  47         span(
  48           v-for="p in Object.values(people)"
  49           v-if="!!p.name"
  50         )
  51           | {{ p.name }}
  52         span.anonymous(v-if="someAnonymousPresent()") + @nonymous
  53       Chat(
  54         ref="chatcomp"
  55         :players="game.players"
  56         :pastChats="game.chats"
  57         @mychat="processChat"
  58         @chatcleared="clearChat"
  59       )
  60   input#modalConfirm.modal(type="checkbox")
  61   div#confirmDiv(role="dialog")
  62     .card
  63       .diagram(
  64         v-if="!!vr && ['all','byrow'].includes(vr.showMoves)"
  65         v-html="curDiag"
  66       )
  67       p.text-center(v-else)
  68         span {{ st.tr["Move played:"] + " " }}
  69         span.bold {{ moveNotation }}
  70         br
  71         span {{ st.tr["Are you sure?"] }}
  72       .button-group#buttonsConfirm
  73         // onClick for acceptBtn: set dynamically
  74         button.acceptBtn
  75           span {{ st.tr["Validate"] }}
  76         button.refuseBtn(@click="cancelMove()")
  77           span {{ st.tr["Cancel"] }}
  78   .row
  79     #aboveBoard.col-sm-12
  80       span.variant-cadence(v-if="game.type!='import'") {{ game.cadence }}
  81       span.variant-name
  82         | {{ game.vname }}
  83         | {{ !!vr ? vr.constructor.AbbreviateOptions(game.options) : '' }}
  84       span#nextGame(
  85         v-if="nextIds.length > 0"
  86         @click="showNextGame()"
  87       )
  88         | {{ st.tr["Next_g"] }}
  89       button#chatBtn(
  90         :class="btnTooltipClass()"
  91         onClick="window.doClick('modalChat')"
  92         aria-label="Chat"
  93       )
  94         img(src="/images/icons/chat.svg")
  95       #actions(v-if="game.score=='*'")
  96         button(
  97           @click="clickDraw()"
  98           :class="btnTooltipClass('draw')"
  99           :aria-label="st.tr['Draw']"
 100         )
 101           img(src="/images/icons/draw.svg")
 102         button(
 103           v-if="!!game.mycolor"
 104           :class="btnTooltipClass()"
 105           @click="abortGame()"
 106           :aria-label="st.tr['Abort']"
 107         )
 108           img(src="/images/icons/abort.svg")
 109         button(
 110           v-if="!!game.mycolor"
 111           :class="btnTooltipClass()"
 112           @click="resign()"
 113           :aria-label="st.tr['Resign']"
 114         )
 115           img(src="/images/icons/resign.svg")
 116       button(
 117         v-else
 118         :class="btnTooltipClass('rematch')"
 119         @click="clickRematch()"
 120         :aria-label="st.tr['Rematch']"
 121       )
 122         img(src="/images/icons/rematch.svg")
 123       #playersInfo
 124         div(v-if="isLargeScreen()")
 125           UserBio.user-bio(
 126             :class="{connected: isConnected(0)}"
 127             :uid="game.players[0].id"
 128             :uname="game.players[0].name"
 129           )
 130           span.time(
 131             v-if="game.score=='*'"
 132             :class="{yourturn: !!vr && vr.turn == 'w'}"
 133           )
 134             span.time-left {{ virtualClocks[0][0] }}
 135             span.time-separator(v-if="!!virtualClocks[0][1]") :
 136             span.time-right(v-if="!!virtualClocks[0][1]")
 137               | {{ virtualClocks[0][1] }}
 138           span.split-names -
 139           UserBio.user-bio(
 140             :class="{connected: isConnected(1)}"
 141             :uid="game.players[1].id"
 142             :uname="game.players[1].name"
 143           )
 144           span.time(
 145             v-if="game.score=='*'"
 146             :class="{yourturn: !!vr && vr.turn == 'b'}"
 147           )
 148             span.time-left {{ virtualClocks[1][0] }}
 149             span.time-separator(v-if="!!virtualClocks[1][1]") :
 150             span.time-right(v-if="!!virtualClocks[1][1]")
 151               | {{ virtualClocks[1][1] }}
 152         div(v-else)
 153           UserBio.user-bio(
 154             :class="{connected: isConnected(0)}"
 155             :uid="game.players[0].id"
 156             :uname="game.players[0].name"
 157           )
 158           span.split-names -
 159           UserBio.user-bio(
 160             :class="{connected: isConnected(1)}"
 161             :uid="game.players[1].id"
 162             :uname="game.players[1].name"
 163           )
 164           div(v-if="game.score=='*'")
 165             span.time(:class="{yourturn: !!vr && vr.turn == 'w'}")
 166               span.time-left {{ virtualClocks[0][0] }}
 167               span.time-separator(v-if="!!virtualClocks[0][1]") :
 168               span.time-right(v-if="!!virtualClocks[0][1]")
 169                 | {{ virtualClocks[0][1] }}
 170             span.separator
 171             span.time(:class="{yourturn: !!vr && vr.turn == 'b'}")
 172               span.time-left {{ virtualClocks[1][0] }}
 173               span.time-separator(v-if="!!virtualClocks[1][1]") :
 174               span.time-right(v-if="!!virtualClocks[1][1]")
 175                 | {{ virtualClocks[1][1] }}
 176   BaseGame(
 177     ref="basegame"
 178     :game="game"
 179     @newmove="processMove"
 180   )
 181 </template>
 182
 183 <script>
 184 import BaseGame from "@/components/BaseGame.vue";
 185 import UserBio from "@/components/UserBio.vue";
 186 import Chat from "@/components/Chat.vue";
 187 import { store } from "@/store";
 188 import { GameStorage } from "@/utils/gameStorage";
 189 import { ImportgameStorage } from "@/utils/importgameStorage";
 190 import { ppt } from "@/utils/datetime";
 191 import { notify } from "@/utils/notifications";
 192 import { ajax } from "@/utils/ajax";
 193 import { extractTime } from "@/utils/timeControl";
 194 import { getRandString } from "@/utils/alea";
 195 import { getScoreMessage } from "@/utils/scoring";
 196 import { getFullNotation } from "@/utils/notation";
 197 import { getDiagram, replaceByDiag } from "@/utils/printDiagram";
 198 import { processModalClick } from "@/utils/modalClick";
 199 import { playMove, getFilteredMove } from "@/utils/playUndo";
 200 import { ArrayFun } from "@/utils/array";
 201 import afterRawLoad from "@/utils/afterRawLoad";
 202 import params from "@/parameters";
 203 export default {
 204   name: "my-game",
 205   components: {
 206     BaseGame,
 207     Chat,
 208     UserBio
 209   },
 210   data: function() {
 211     return {
 212       st: store.state,
 213       // gameRef can point to a corr game, local game or remote live game
 214       gameRef: "",
 215       nextIds: [],
 216       game: {}, //passed to BaseGame
 217       focus: !document.hidden, //will not always work... TODO
 218       // virtualClocks will be initialized from true game.clocks
 219       // TODO: clock update triggers re-rendering. Should be out of Vue
 220       virtualClocks: [],
 221       vr: null, //"variant rules" object initialized from FEN
 222       rulesContent: "",
 223       drawOffer: "",
 224       rematchId: "",
 225       rematchOffer: "",
 226       lastateAsked: false,
 227       people: {}, //players + observers
 228       lastate: undefined, //used if opponent send lastate before game is ready
 229       repeat: {}, //detect position repetition
 230       curDiag: "", //for corr moves confirmation
 231       conn: null,
 232       roomInitialized: false,
 233       // If asklastate got no reply, ask again:
 234       gotLastate: false,
 235       gotMoveIdx: -1, //last move index received
 236       // If newmove got no pingback, send again:
 237       opponentGotMove: false,
 238       connexionString: "",
 239       socketCloseListener: 0,
 240       // Incomplete info games: show move played
 241       moveNotation: "",
 242       // Intervals from setInterval():
 243       askLastate: null,
 244       retrySendmove: null,
 245       clockUpdate: null,
 246       // Related to (killing of) self multi-connects:
 247       newConnect: {}
 248     };
 249   },
 250   watch: {
 251     $route: function(to, from) {
 252       if (to.path.length < 6 || to.path.substr(0, 6) != "/game/")
 253         // Page change
 254         this.cleanBeforeDestroy();
 255       else if (from.params["id"] != to.params["id"]) {
 256         // Change everything:
 257         this.cleanBeforeDestroy();
 258         let boardDiv = document.querySelector(".game");
 259         if (!!boardDiv)
 260           // In case of incomplete information variant:
 261           boardDiv.style.visibility = "hidden";
 262         this.atCreation();
 263       }
 264       else
 265         // Same game ID
 266         this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 267     }
 268   },
 269   // NOTE: some redundant code with Hall.vue (mostly related to people array)
 270   created: function() {
 271     this.atCreation();
 272   },
 273   mounted: function() {
 274     document.getElementById("chatWrap")
 275       .addEventListener("click", (e) => {
 276         processModalClick(e, () => {
 277           this.toggleChat("close")
 278         });
 279       });
 280     ["rulesDiv", "rematchDiv", "scoreDiv"].forEach(
 281       (eltName) => {
 282         document.getElementById(eltName)
 283           .addEventListener("click", processModalClick);
 284       }
 285     );
 286   },
 287   beforeDestroy: function() {
 288     this.cleanBeforeDestroy();
 289   },
 290   methods: {
 291     cleanBeforeDestroy: function() {
 292       clearInterval(this.socketCloseListener);
 293       document.removeEventListener('visibilitychange', this.visibilityChange);
 294       window.removeEventListener('focus', this.onFocus);
 295       window.removeEventListener('blur', this.onBlur);
 296       if (!!this.askLastate) clearInterval(this.askLastate);
 297       if (!!this.retrySendmove) clearInterval(this.retrySendmove);
 298       if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 299       this.conn.removeEventListener("message", this.socketMessageListener);
 300       this.send("disconnect");
 301       this.conn = null;
 302     },
 303     visibilityChange: function() {
 304       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 305       this.focus = (document.visibilityState == "visible");
 306       this.send(this.focus ? "getfocus" : "losefocus");
 307     },
 308     onFocus: function() {
 309       this.focus = true;
 310       this.send("getfocus");
 311     },
 312     onBlur: function() {
 313       this.focus = false;
 314       this.send("losefocus");
 315     },
 316     isLargeScreen: function() {
 317       return window.innerWidth >= 768;
 318     },
 319     btnTooltipClass: function(thing) {
 320       let append = {};
 321       if (!!thing) append = { [thing + "-" + this[thing + "Offer"]]: true };
 322       return (
 323         Object.assign(
 324           { tooltip: !("ontouchstart" in window) },
 325           append
 326         )
 327       );
 328     },
 329     someAnonymousPresent: function() {
 330       return (
 331         Object.values(this.people).some(p =>
 332           !p.name && Object.keys(p.tmpIds).some(x => p.tmpIds[x].focus)
 333         )
 334       );
 335     },
 336     atCreation: function() {
 337       document.addEventListener('visibilitychange', this.visibilityChange);
 338       window.addEventListener('focus', this.onFocus);
 339       window.addEventListener('blur', this.onBlur);
 340       // 0] (Re)Set variables
 341       this.gameRef = this.$route.params["id"];
 342       // next = next corr games IDs to navigate faster (if applicable)
 343       this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 344       // Always add myself to players' list
 345       const my = this.st.user;
 346       const tmpId = getRandString();
 347       this.$set(
 348         this.people,
 349         my.sid,
 350         {
 351           id: my.id,
 352           name: my.name,
 353           tmpIds: {
 354             tmpId: { focus: true }
 355           }
 356         }
 357       );
 358       this.game = {
 359         players: [{ name: "" }, { name: "" }],
 360         chats: [],
 361         rendered: false
 362       };
 363       let chatComp = this.$refs["chatcomp"];
 364       if (!!chatComp) chatComp.chats = [];
 365       this.virtualClocks = [[0,0], [0,0]];
 366       this.vr = null;
 367       this.rulesContent = "";
 368       this.drawOffer = "";
 369       this.lastateAsked = false;
 370       this.rematchOffer = "";
 371       this.lastate = undefined;
 372       this.roomInitialized = false;
 373       this.gotLastate = false;
 374       this.gotMoveIdx = -1;
 375       this.opponentGotMove = false;
 376       this.askLastate = null;
 377       this.retrySendmove = null;
 378       this.clockUpdate = null;
 379       this.newConnect = {};
 380       // 1] Initialize connection
 381       this.connexionString =
 382         params.socketUrl +
 383         "/?sid=" + this.st.user.sid +
 384         "&id=" + this.st.user.id +
 385         "&tmpId=" + tmpId +
 386         "&page=" +
 387         // Discard potential "/?next=[...]" for page indication:
 388         encodeURIComponent(this.$route.path.match(/\/game\/[a-zA-Z0-9]+/)[0]);
 389       this.conn = new WebSocket(this.connexionString);
 390       this.conn.addEventListener("message", this.socketMessageListener);
 391       this.socketCloseListener = setInterval(
 392         () => {
 393           if (this.conn.readyState == 3) {
 394             this.conn.removeEventListener(
 395               "message", this.socketMessageListener);
 396             this.conn = new WebSocket(this.connexionString);
 397             this.conn.addEventListener("message", this.socketMessageListener);
 398           }
 399         },
 400         1000
 401       );
 402       // Socket init required before loading remote game:
 403       const socketInit = callback => {
 404         if (this.conn.readyState == 1)
 405           // 1 == OPEN state
 406           callback();
 407         else
 408           // Socket not ready yet (initial loading)
 409           // NOTE: first arg is Websocket object, unused here:
 410           this.conn.onopen = () => callback();
 411       };
 412       this.fetchGame((game) => {
 413         if (!!game) {
 414           if (!game.options) {
 415             // Patch for retro-compatibility (TODO: remove it)
 416             game.options = { randomness: game.randomness };
 417             delete game["randomness"];
 418           }
 419           else game.options = JSON.parse(game.options);
 420           this.loadVariantThenGame(game, () => socketInit(this.roomInit));
 421         }
 422         else
 423           // Live game stored remotely: need socket to retrieve it
 424           // NOTE: the callback "roomInit" will be lost, so it's not provided.
 425           // --> It will be given when receiving "fullgame" socket event.
 426           socketInit(() => { this.send("askfullgame"); });
 427       });
 428     },
 429     roomInit: function() {
 430       if (!this.roomInitialized) {
 431         // Notify the room only now that I connected, because
 432         // messages might be lost otherwise (if game loading is slow)
 433         this.send("connect");
 434         this.send("pollclients");
 435         // We may ask fullgame several times if some moves are lost,
 436         // but room should be init only once:
 437         this.roomInitialized = true;
 438       }
 439     },
 440     send: function(code, obj) {
 441       if (!!this.conn && this.conn.readyState == 1)
 442         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 443     },
 444     isConnected: function(index) {
 445       const player = this.game.players[index];
 446       // Is it me ? In this case no need to bother with focus
 447       if (
 448         this.st.user.sid == player.sid ||
 449         (!!player.name && this.st.user.id == player.id)
 450       ) {
 451         // Still have to check for name (because of potential multi-accounts
 452         // on same browser, although this should be rare...)
 453         return (!this.st.user.name || this.st.user.name == player.name);
 454       }
 455       // Try to find a match in people:
 456       return (
 457         (
 458           !!player.sid &&
 459           Object.keys(this.people).some(sid => {
 460             return (
 461               sid == player.sid &&
 462               Object.values(this.people[sid].tmpIds).some(v => v.focus)
 463             );
 464           })
 465         )
 466         ||
 467         (
 468           player.id > 0 &&
 469           Object.values(this.people).some(p => {
 470             return (
 471               p.id == player.id &&
 472               Object.values(p.tmpIds).some(v => v.focus)
 473             );
 474           })
 475         )
 476       );
 477     },
 478     getOppsid: function() {
 479       let oppsid = this.game.oppsid;
 480       if (!oppsid) {
 481         oppsid = Object.keys(this.people).find(
 482           sid => this.people[sid].id == this.game.oppid
 483         );
 484       }
 485       // oppsid is useful only if opponent is online:
 486       if (!!oppsid && !!this.people[oppsid]) return oppsid;
 487       return null;
 488     },
 489     // NOTE: action if provided is always a closing action
 490     toggleChat: function(action) {
 491       if (!action && document.getElementById("modalChat").checked)
 492         // Entering chat
 493         document.getElementById("inputChat").focus();
 494       else {
 495         document.getElementById("chatBtn").classList.remove("somethingnew");
 496         if (!!this.game.mycolor) {
 497           // Update "chatRead" variable either on server or locally
 498           if (this.game.type == "corr")
 499             this.updateCorrGame({ chatRead: this.game.mycolor });
 500           else if (this.game.type == "live")
 501             GameStorage.update(this.gameRef, { chatRead: true });
 502         }
 503       }
 504     },
 505     processChat: function(chat) {
 506       this.send("newchat", { data: chat });
 507       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 508       if (!!this.game.mycolor) {
 509         if (this.game.type == "corr")
 510           this.updateCorrGame({ chat: chat });
 511         else {
 512           // Live game
 513           chat.added = Date.now();
 514           GameStorage.update(this.gameRef, { chat: chat });
 515         }
 516       }
 517     },
 518     clearChat: function() {
 519       if (!!this.game.mycolor) {
 520         if (this.game.type == "corr") {
 521           ajax(
 522             "/chats",
 523             "DELETE",
 524             { data: { gid: this.game.id } }
 525           );
 526         }
 527         else {
 528           // Live game
 529           GameStorage.update(this.gameRef, { delchat: true });
 530         }
 531         this.$set(this.game, "chats", []);
 532       }
 533     },
 534     getGameType: function(game) {
 535       if (!!game.id.toString().match(/^i/)) return "import";
 536       return (game.cadence.indexOf("d") >= 0 ? "corr" : "live");
 537     },
 538     // Notify something after a new move (to opponent and me on MyGames page)
 539     notifyMyGames: function(thing, data) {
 540       this.send(
 541         "notify" + thing,
 542         {
 543           data: data,
 544           targets: this.game.players.map(p => {
 545             return { sid: p.sid, id: p.id };
 546           })
 547         }
 548       );
 549     },
 550     showNextGame: function() {
 551       // Did I play in current game? If not, add it to nextIds list
 552       if (this.game.score == "*" && this.vr.turn == this.game.mycolor)
 553         this.nextIds.unshift(this.game.id);
 554       const nextGid = this.nextIds.pop();
 555       this.$router.push(
 556         "/game/" + nextGid + "/?next=" + JSON.stringify(this.nextIds));
 557     },
 558     socketMessageListener: function(msg) {
 559       if (!this.conn) return;
 560       const data = JSON.parse(msg.data);
 561       switch (data.code) {
 562         case "pollclients":
 563           // TODO: shuffling and random filtering on server,
 564           // if the room is really crowded.
 565           Object.keys(data.sockIds).forEach(sid => {
 566             if (sid != this.st.user.sid) {
 567               this.send("askidentity", { target: sid });
 568               this.people[sid] = { tmpIds: data.sockIds[sid] };
 569             }
 570             else {
 571               // Complete my tmpIds:
 572               Object.assign(this.people[sid].tmpIds, data.sockIds[sid]);
 573             }
 574           });
 575           break;
 576         case "connect":
 577           if (!this.people[data.from[0]]) {
 578             // focus depends on the tmpId (e.g. tab)
 579             this.$set(
 580               this.people,
 581               data.from[0],
 582               {
 583                 tmpIds: {
 584                   [data.from[1]]: { focus: true }
 585                 }
 586               }
 587             );
 588             // For self multi-connects tests:
 589             this.newConnect[data.from[0]] = true;
 590             this.send("askidentity", { target: data.from[0] });
 591           }
 592           else {
 593             this.people[data.from[0]].tmpIds[data.from[1]] = { focus: true };
 594             this.$forceUpdate(); //TODO: shouldn't be required
 595           }
 596           break;
 597         case "disconnect":
 598           if (!this.people[data.from[0]]) return;
 599           delete this.people[data.from[0]].tmpIds[data.from[1]];
 600           if (Object.keys(this.people[data.from[0]].tmpIds).length == 0)
 601             this.$delete(this.people, data.from[0]);
 602           else this.$forceUpdate(); //TODO: shouldn't be required
 603           break;
 604         case "getfocus": {
 605           let player = this.people[data.from[0]];
 606           if (!!player) {
 607             player.tmpIds[data.from[1]].focus = true;
 608             this.$forceUpdate(); //TODO: shouldn't be required
 609           }
 610           break;
 611         }
 612         case "losefocus": {
 613           let player = this.people[data.from[0]];
 614           if (!!player) {
 615             player.tmpIds[data.from[1]].focus = false;
 616             this.$forceUpdate(); //TODO: shouldn't be required
 617           }
 618           break;
 619         }
 620         case "askidentity": {
 621           // Request for identification
 622           const me = {
 623             // Decompose to avoid revealing email
 624             name: this.st.user.name,
 625             sid: this.st.user.sid,
 626             id: this.st.user.id
 627           };
 628           this.send("identity", { data: me, target: data.from });
 629           break;
 630         }
 631         case "identity": {
 632           const user = data.data;
 633           let player = this.people[user.sid];
 634           // player.tmpIds is already set
 635           player.name = user.name;
 636           player.id = user.id;
 637           if (this.game.type == "live") {
 638             const myGidx =
 639               this.game.players.findIndex(p => p.sid == this.st.user.sid);
 640             // Sometimes a player name isn't stored yet (TODO: why?)
 641             if (
 642               myGidx >= 0 &&
 643               !this.game.players[1 - myGidx].name &&
 644               this.game.players[1 - myGidx].sid == user.sid &&
 645               !!user.name
 646             ) {
 647               this.game.players[1-myGidx].name = user.name;
 648               GameStorage.update(
 649                 this.gameRef,
 650                 { playerName: { idx: 1 - myGidx, name: user.name } }
 651               );
 652             }
 653           }
 654           this.$forceUpdate(); //TODO: shouldn't be required
 655           // If I multi-connect, kill current connexion if no mark (I'm older)
 656           if (this.newConnect[user.sid]) {
 657             delete this.newConnect[user.sid];
 658             if (
 659               user.id > 0 &&
 660               user.id == this.st.user.id &&
 661               user.sid != this.st.user.sid
 662             ) {
 663               this.cleanBeforeDestroy();
 664               alert(this.st.tr["New connexion detected: tab now offline"]);
 665               break;
 666             }
 667           }
 668           // Ask potentially missed last state, if opponent and I play
 669           if (
 670             !this.gotLastate &&
 671             !!this.game.mycolor &&
 672             this.game.type == "live" &&
 673             this.game.players.some(p => p.sid == user.sid)
 674           ) {
 675             this.send("asklastate", { target: user.sid });
 676             let counter = 1;
 677             this.askLastate = setInterval(
 678               () => {
 679                 // Ask at most 3 times:
 680                 // if no reply after that there should be a network issue.
 681                 if (
 682                   counter < 3 &&
 683                   !this.gotLastate &&
 684                   !!this.people[user.sid]
 685                 ) {
 686                   this.send("asklastate", { target: user.sid });
 687                   counter++;
 688                 }
 689                 else clearInterval(this.askLastate);
 690               },
 691               1500
 692             );
 693           }
 694           break;
 695         }
 696         case "askgame":
 697           // Send current (live or import) game,
 698           // if not asked by any of the players
 699           if (
 700             this.game.type != "corr" &&
 701             this.game.players.every(p => p.sid != data.from[0])
 702           ) {
 703             const myGame = {
 704               id: this.game.id,
 705               // FEN is current position, unused for now
 706               fen: this.game.fen,
 707               players: this.game.players,
 708               vid: this.game.vid,
 709               cadence: this.game.cadence,
 710               score: this.game.score
 711             };
 712             this.send("game", { data: myGame, target: data.from });
 713           }
 714           break;
 715         case "askfullgame":
 716           const gameToSend = Object.keys(this.game)
 717             .filter(k =>
 718               [
 719                 "id","fen","players","vid","cadence","fenStart","options",
 720                 "moves","clocks","score","drawOffer","rematchOffer"
 721               ].includes(k))
 722             .reduce(
 723               (obj, k) => {
 724                 obj[k] = this.game[k];
 725                 return obj;
 726               },
 727               {}
 728             );
 729           this.send("fullgame", { data: gameToSend, target: data.from });
 730           break;
 731         case "fullgame":
 732           if (!!data.data.empty) {
 733             alert(this.st.tr["The game should be in another tab"]);
 734             this.$router.go(-1);
 735           }
 736           else
 737             // Callback "roomInit" to poll clients only after game is loaded
 738             this.loadVariantThenGame(data.data, this.roomInit);
 739           break;
 740         case "asklastate":
 741           // Sending informative last state if I played a move or score != "*"
 742           // If the game or moves aren't loaded yet, delay the sending:
 743           // TODO: socket init after game load, so the game is supposedly ready
 744           if (!this.game || !this.game.moves) this.lastateAsked = true;
 745           else this.sendLastate(data.from);
 746           break;
 747         // TODO: possible bad scenario: reload page while oppponent sends a
 748         // move => get both lastate and newmove, process both, add move twice.
 749         // Confirm scenario? Fix?
 750         case "lastate": {
 751           // Got opponent infos about last move
 752           this.gotLastate = true;
 753           this.lastate = data.data;
 754           if (this.lastate.movesCount - 1 > this.gotMoveIdx)
 755             this.gotMoveIdx = this.lastate.movesCount - 1;
 756           if (this.game.rendered)
 757             // Game is rendered (Board component)
 758             this.processLastate();
 759           // Else: will be processed when game is ready
 760           break;
 761         }
 762         case "newmove": {
 763
 764 // DEBUG:
 765 //console.log("Receive move");
 766 //console.log(data.data);
 767 //moveslist not updated when receiving a move? (see in BaseGame)
 768
 769           const movePlus = data.data;
 770           const movesCount = this.game.moves.length;
 771           if (
 772             movePlus.index < movesCount ||
 773             this.gotMoveIdx >= movePlus.index
 774           ) {
 775             // Opponent re-send but we already have the move:
 776             // (maybe he didn't receive our pingback...)
 777             this.send("gotmove", {data: movePlus.index, target: data.from});
 778           }
 779           else {
 780             this.gotMoveIdx = movePlus.index;
 781             const receiveMyMove = (movePlus.color == this.game.mycolor);
 782             const moveColIdx = ["w", "b"].indexOf(movePlus.color);
 783             if (!receiveMyMove && !!this.game.mycolor) {
 784               // Notify opponent that I got the move:
 785               this.send(
 786                 "gotmove",
 787                 { data: movePlus.index, target: data.from }
 788               );
 789               // And myself if I'm elsewhere:
 790               if (!this.focus) {
 791                 notify(
 792                   "New move",
 793                   {
 794                     body:
 795                       (this.game.players[moveColIdx].name || "@nonymous") +
 796                       " just played."
 797                   }
 798                 );
 799               }
 800             }
 801             if (movePlus.cancelDrawOffer) {
 802               // Opponent refuses draw
 803               this.drawOffer = "";
 804               // NOTE for corr games: drawOffer reset by player in turn
 805               if (
 806                 this.game.type == "live" &&
 807                 !!this.game.mycolor &&
 808                 !receiveMyMove
 809               ) {
 810                 GameStorage.update(this.gameRef, { drawOffer: "" });
 811               }
 812             }
 813             this.$refs["basegame"].play(movePlus.move, "received");
 814             // Freeze time while the move is being play
 815             // (TODO: a callback would be cleaner here)
 816             clearInterval(this.clockUpdate);
 817             this.clockUpdate = null;
 818             const freezeDuration = ["all", "highlight"].includes(V.ShowMoves)
 819               // 250 = length of animation, 500 = delay between sub-moves
 820               ? 250 + 750 *
 821                 (Array.isArray(movePlus.move) ? movePlus.move.length - 1 : 0)
 822               // Incomplete information: no move animation
 823               : 0;
 824             setTimeout(
 825               () => {
 826                 this.game.clocks[moveColIdx] = movePlus.clock;
 827                 this.processMove(
 828                   movePlus.move,
 829                   { receiveMyMove: receiveMyMove }
 830                 );
 831               },
 832               freezeDuration
 833             );
 834           }
 835           break;
 836         }
 837         case "gotmove": {
 838           this.opponentGotMove = true;
 839           // Now his clock starts running on my side:
 840           const oppIdx = ['w','b'].indexOf(this.vr.turn);
 841           // NOTE: next line to avoid multi-resetClocks when several tabs
 842           // on same game, resulting in a faster countdown.
 843           if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 844           this.re_setClocks();
 845           break;
 846         }
 847         case "resign":
 848           const score = (data.data == "b" ? "1-0" : "0-1");
 849           const side = (data.data == "w" ? "White" : "Black");
 850           this.gameOver(score, side + " surrender");
 851           break;
 852         case "abort":
 853           this.gameOver("?", "Stop");
 854           break;
 855         case "draw":
 856           this.gameOver("1/2", data.data);
 857           break;
 858         case "drawoffer":
 859           // NOTE: observers don't know who offered draw
 860           this.drawOffer = "received";
 861           if (!!this.game.mycolor && this.game.type == "live") {
 862             GameStorage.update(
 863               this.gameRef,
 864               { drawOffer: V.GetOppCol(this.game.mycolor) }
 865             );
 866           }
 867           break;
 868         case "rematchoffer":
 869           // NOTE: observers don't know who offered rematch
 870           this.rematchOffer = data.data ? "received" : "";
 871           if (!!this.game.mycolor && this.game.type == "live") {
 872             GameStorage.update(
 873               this.gameRef,
 874               { rematchOffer: data.data ? V.GetOppCol(this.game.mycolor) : "" }
 875             );
 876           }
 877           break;
 878         case "newgame": {
 879           // A game started, redirect if I'm playing in
 880           const gameInfo = data.data;
 881           const gameType = this.getGameType(gameInfo);
 882           if (
 883             gameType == "live" &&
 884             gameInfo.players.some(p => p.sid == this.st.user.sid)
 885           ) {
 886             this.addAndGotoLiveGame(gameInfo);
 887           }
 888           else if (
 889             gameType == "corr" &&
 890             this.st.user.id > 0 &&
 891             gameInfo.players.some(p => p.id == this.st.user.id)
 892           ) {
 893             this.$router.push("/game/" + gameInfo.id);
 894           }
 895           else {
 896             this.rematchId = gameInfo.id;
 897             document.getElementById("modalRules").checked = false;
 898             document.getElementById("modalScore").checked = false;
 899             document.getElementById("modalRematch").checked = true;
 900           }
 901           break;
 902         }
 903         case "newchat": {
 904           let chat = data.data;
 905           this.$refs["chatcomp"].newChat(chat);
 906           if (this.game.type == "live") {
 907             chat.added = Date.now();
 908             if (!!this.game.mycolor)
 909               GameStorage.update(this.gameRef, { chat: chat });
 910           }
 911           if (!document.getElementById("modalChat").checked)
 912             document.getElementById("chatBtn").classList.add("somethingnew");
 913           break;
 914         }
 915       }
 916     },
 917     updateCorrGame: function(obj, callback) {
 918       ajax(
 919         "/games",
 920         "PUT",
 921         {
 922           data: {
 923             gid: this.gameRef,
 924             newObj: obj
 925           },
 926           success: () => {
 927             if (!!callback) callback();
 928           }
 929         }
 930       );
 931     },
 932     sendLastate: function(target) {
 933       // Send our "last state" informations to opponent
 934       const L = this.game.moves.length;
 935       const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 936       const myLastate = {
 937         lastMove:
 938           (L > 0 && this.vr.turn != this.game.mycolor)
 939             ? this.game.moves[L - 1]
 940             : undefined,
 941         clock: this.game.clocks[myIdx],
 942         // Since we played a move (or abort or resign),
 943         // only drawOffer=="sent" is possible
 944         drawSent: this.drawOffer == "sent" ? true : undefined,
 945         rematchSent: this.rematchOffer == "sent" ? true : undefined,
 946         score: this.game.score != "*" ? this.game.score : undefined,
 947         scoreMsg: this.game.score != "*" ? this.game.scoreMsg : undefined,
 948         movesCount: L
 949       };
 950       this.send("lastate", { data: myLastate, target: target });
 951     },
 952     // lastate was received, but maybe game wasn't ready yet:
 953     processLastate: function() {
 954       const data = this.lastate;
 955       this.lastate = undefined; //security...
 956       if (!!data.score) {
 957         const oppCol = V.GetOppCol(this.game.mycolor);
 958         if (!!data.rematchSent) {
 959           if (this.game.rematchOffer != oppCol) {
 960             // Opponent sended rematch offer while we were offline:
 961             this.rematchOffer = "received";
 962             GameStorage.update(
 963               this.gameRef,
 964               { rematchOffer: oppCol }
 965             );
 966           }
 967         }
 968         else {
 969           if (this.game.rematchOffer == oppCol) {
 970             // Opponent cancelled rematch offer while we were offline:
 971             this.rematchOffer = "";
 972             GameStorage.update(
 973               this.gameRef,
 974               { rematchOffer: "" }
 975             );
 976           }
 977         }
 978       }
 979       else {
 980         const L = this.game.moves.length;
 981         const oppIdx = 1 - ["w", "b"].indexOf(this.game.mycolor);
 982         this.game.clocks[oppIdx] = data.clock;
 983         if (data.movesCount > L) {
 984           // Just got last move from him
 985           this.$refs["basegame"].play(data.lastMove, "received");
 986           this.processMove(data.lastMove);
 987         }
 988         else {
 989           if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 990           this.re_setClocks();
 991         }
 992         if (!!data.drawSent) this.drawOffer = "received";
 993         if (!!data.score) {
 994           this.drawOffer = "";
 995           if (this.game.score == "*")
 996             this.gameOver(data.score, data.scoreMsg);
 997         }
 998       }
 999     },
1000     clickDraw: function() {
1001       if (!this.game.mycolor || this.game.type == "import") return;
1002       if (["received", "threerep"].includes(this.drawOffer)) {
1003         if (!confirm(this.st.tr["Accept draw?"])) return;
1004         const message =
1005           this.drawOffer == "received"
1006             ? "Mutual agreement"
1007             : "Three repetitions";
1008         this.send("draw", { data: message });
1009         this.gameOver("1/2", message);
1010       }
1011       else if (this.drawOffer == "") {
1012         // No effect if drawOffer == "sent"
1013         if (this.game.mycolor != this.vr.turn) {
1014           alert(this.st.tr["Draw offer only in your turn"]);
1015           return;
1016         }
1017         if (!confirm(this.st.tr["Offer draw?"])) return;
1018         this.drawOffer = "sent";
1019         this.send("drawoffer");
1020         if (this.game.type == "live") {
1021           GameStorage.update(
1022             this.gameRef,
1023             { drawOffer: this.game.mycolor }
1024           );
1025         }
1026         else this.updateCorrGame({ drawOffer: this.game.mycolor });
1027       }
1028     },
1029     addAndGotoLiveGame: function(gameInfo, callback) {
1030       const game = Object.assign(
1031         {},
1032         gameInfo,
1033         {
1034           // (other) Game infos: constant
1035           fenStart: gameInfo.fen,
1036           created: Date.now(),
1037           // Game state (including FEN): will be updated
1038           moves: [],
1039           clocks: [-1, -1], //-1 = unstarted
1040           chats: [],
1041           score: "*"
1042         }
1043       );
1044       GameStorage.add(game, (err) => {
1045         // No error expected.
1046         if (!err) {
1047           if (this.st.settings.sound)
1048             new Audio("/sounds/newgame.flac").play().catch(() => {});
1049           if (!!callback) callback();
1050           this.$router.push("/game/" + gameInfo.id);
1051         }
1052       });
1053     },
1054     clickRematch: function() {
1055       if (!this.game.mycolor || this.game.type == "import") return;
1056       if (this.rematchOffer == "received") {
1057         // Start a new game!
1058         let gameInfo = {
1059           id: getRandString(), //ignored if corr
1060           fen: V.GenRandInitFen(this.game.options),
1061           options: this.game.options,
1062           players: [this.game.players[1], this.game.players[0]],
1063           vid: this.game.vid,
1064           cadence: this.game.cadence
1065         };
1066         const notifyNewGame = () => {
1067           this.send("rnewgame", { data: gameInfo });
1068           // To main Hall if corr game:
1069           if (this.game.type == "corr")
1070             this.send("newgame", { data: gameInfo, page: "/" });
1071           // Also to MyGames page:
1072           this.notifyMyGames("newgame", gameInfo);
1073         };
1074         if (this.game.type == "live") {
1075           GameStorage.update(
1076             this.gameRef,
1077             { rematchOffer: "" }
1078           );
1079           // Increment game stats counter in DB
1080           ajax(
1081             "/gamestat",
1082             "POST",
1083             { data: { vid: gameInfo.vid } }
1084           );
1085           this.addAndGotoLiveGame(gameInfo, notifyNewGame);
1086         }
1087         else {
1088           // corr game
1089           this.updateCorrGame({ rematchOffer: 'n' });
1090           ajax(
1091             "/games",
1092             "POST",
1093             {
1094               data: Object.assign(
1095                 {},
1096                 gameInfo,
1097                 { options: JSON.stringify(this.game.options) }
1098               ),
1099               success: (response) => {
1100                 gameInfo.id = response.id;
1101                 notifyNewGame();
1102                 this.$router.push("/game/" + response.id);
1103               }
1104             }
1105           );
1106         }
1107       }
1108       else if (this.rematchOffer == "") {
1109         this.rematchOffer = "sent";
1110         this.send("rematchoffer", { data: true });
1111         if (this.game.type == "live") {
1112           GameStorage.update(
1113             this.gameRef,
1114             { rematchOffer: this.game.mycolor }
1115           );
1116         }
1117         else this.updateCorrGame({ rematchOffer: this.game.mycolor });
1118       }
1119       else if (this.rematchOffer == "sent") {
1120         // Toggle rematch offer (on --> off)
1121         this.rematchOffer = "";
1122         this.send("rematchoffer", { data: false });
1123         if (this.game.type == "live") {
1124           GameStorage.update(
1125             this.gameRef,
1126             { rematchOffer: '' }
1127           );
1128         }
1129         else this.updateCorrGame({ rematchOffer: 'n' });
1130       }
1131     },
1132     abortGame: function() {
1133       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"]))
1134         return;
1135       this.gameOver("?", "Stop");
1136       this.send("abort");
1137     },
1138     resign: function() {
1139       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
1140         return;
1141       this.send("resign", { data: this.game.mycolor });
1142       const score = (this.game.mycolor == "w" ? "0-1" : "1-0");
1143       const side = (this.game.mycolor == "w" ? "White" : "Black");
1144       this.gameOver(score, side + " surrender");
1145     },
1146     loadGame: function(game, callback) {
1147       const gtype = game.type || this.getGameType(game);
1148       const tc = extractTime(game.cadence);
1149       const myIdx = game.players.findIndex(p => {
1150         return (
1151           p.sid == this.st.user.sid ||
1152           (!!p.name && p.id == this.st.user.id)
1153         );
1154       });
1155       // Sometimes the name isn't stored yet (TODO: why?)
1156       if (
1157         myIdx >= 0 &&
1158         gtype == "live" &&
1159         !game.players[myIdx].name &&
1160         !!this.st.user.name
1161       ) {
1162         game.players[myIdx].name = this.st.user.name;
1163         GameStorage.update(
1164           game.id,
1165           { playerName: { idx: myIdx, name: this.st.user.name } }
1166         );
1167       }
1168       // "mycolor" is undefined for observers
1169       const mycolor = [undefined, "w", "b"][myIdx + 1];
1170       if (gtype == "corr") {
1171         if (mycolor == 'w') game.chatRead = game.chatReadWhite;
1172         else if (mycolor == 'b') game.chatRead = game.chatReadBlack;
1173         // NOTE: clocks in seconds
1174         game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
1175         game.clocks = [tc.mainTime, tc.mainTime];
1176         const L = game.moves.length;
1177         if (game.score == "*") {
1178           // Adjust clocks
1179           if (L >= 2) {
1180             game.clocks[L % 2] -=
1181               (Date.now() - game.moves[L-1].played) / 1000;
1182           }
1183         }
1184         // Now that we used idx and played, re-format moves as for live games
1185         game.moves = game.moves.map(m => m.squares);
1186       }
1187       else if (gtype == "live") {
1188         if (game.clocks[0] < 0) {
1189           // Game is unstarted. clock is ignored until move 2
1190           game.clocks = [tc.mainTime, tc.mainTime];
1191           if (myIdx >= 0) {
1192             // I play in this live game
1193             GameStorage.update(
1194               game.id,
1195               { clocks: game.clocks }
1196             );
1197           }
1198         }
1199         else if (!!game.initime)
1200           // It's my turn: clocks not updated yet
1201           game.clocks[myIdx] -= (Date.now() - game.initime) / 1000;
1202       }
1203       else
1204         // gtype == "import"
1205         game.clocks = [tc.mainTime, tc.mainTime];
1206       // Live games before 26/03/2020 don't have chat history:
1207       if (!game.chats) game.chats = []; //TODO: remove line
1208       // Sort chat messages from newest to oldest
1209       game.chats.sort((c1, c2) => c2.added - c1.added);
1210       if (
1211         myIdx >= 0 &&
1212         game.chats.length > 0 &&
1213         (!game.chatRead || game.chatRead < game.chats[0].added)
1214       ) {
1215         // A chat message arrived since my last reading:
1216         document.getElementById("chatBtn").classList.add("somethingnew");
1217       }
1218       // TODO: merge next 2 "if" conditions
1219       if (!!game.drawOffer) {
1220         if (game.drawOffer == "t")
1221           // Three repetitions
1222           this.drawOffer = "threerep";
1223         else {
1224           // Draw offered by any of the players:
1225           if (myIdx < 0) this.drawOffer = "received";
1226           else {
1227             // I play in this game:
1228             if (
1229               (game.drawOffer == "w" && myIdx == 0) ||
1230               (game.drawOffer == "b" && myIdx == 1)
1231             )
1232               this.drawOffer = "sent";
1233             else this.drawOffer = "received";
1234           }
1235         }
1236       }
1237       if (!!game.rematchOffer) {
1238         if (myIdx < 0) this.rematchOffer = "received";
1239         else {
1240           // I play in this game:
1241           if (
1242             (game.rematchOffer == "w" && myIdx == 0) ||
1243             (game.rematchOffer == "b" && myIdx == 1)
1244           ) {
1245             this.rematchOffer = "sent";
1246           }
1247           else this.rematchOffer = "received";
1248         }
1249       }
1250       this.repeat = {}; //reset: scan past moves' FEN:
1251       let repIdx = 0;
1252       this.vr = new V(game.fenStart);
1253       let curTurn = "n";
1254       game.moves.forEach(m => {
1255         playMove(m, this.vr);
1256         const fenIdx = this.vr.getFenForRepeat();
1257         this.repeat[fenIdx] = this.repeat[fenIdx]
1258           ? this.repeat[fenIdx] + 1
1259           : 1;
1260       });
1261       // Imported games don't have current FEN
1262       if (!game.fen) game.fen = this.vr.getFen();
1263       if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
1264       this.game = Object.assign(
1265         // NOTE: assign mycolor here, since BaseGame could also be VS computer
1266         {
1267           type: gtype,
1268           increment: tc.increment,
1269           mycolor: mycolor,
1270           // opponent sid not strictly required (or available), but easier
1271           // at least oppsid or oppid is available anyway:
1272           oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
1273           oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].id
1274         },
1275         game
1276       );
1277       this.$refs["basegame"].re_setVariables(this.game);
1278       // Initial loading:
1279       this.gotMoveIdx = game.moves.length - 1;
1280       // If we arrive here after 'nextGame' action, the board might be hidden
1281       let boardDiv = document.querySelector(".game");
1282       if (!!boardDiv && boardDiv.style.visibility == "hidden")
1283         boardDiv.style.visibility = "visible";
1284       this.re_setClocks();
1285       this.$nextTick(() => {
1286         this.game.rendered = true;
1287         // Did lastate arrive before game was rendered?
1288         if (!!this.lastate) this.processLastate();
1289       });
1290       if (this.lastateAsked) {
1291         this.lastateAsked = false;
1292         this.sendLastate(game.oppsid);
1293       }
1294       if (!!callback) callback();
1295     },
1296     loadVariantThenGame: async function(game, callback) {
1297       const afterSetVname = async () => {
1298         await import("@/variants/" + game.vname + ".js")
1299         .then((vModule) => {
1300           window.V = vModule[game.vname + "Rules"];
1301           this.loadGame(game, callback);
1302         });
1303         this.rulesContent =
1304           afterRawLoad(
1305             require(
1306               "raw-loader!@/translations/rules/" +
1307               game.vname + "/" + this.st.lang + ".pug"
1308             ).default
1309           ).replace(/(fen:)([^:]*):/g, replaceByDiag);
1310       };
1311       let variant = undefined;
1312       const trySetVname = setInterval(
1313         () => {
1314           // this.st.variants might be uninitialized (variant == null)
1315           variant = this.st.variants.find(v => v.id == game.vid);
1316           if (!!variant) {
1317             clearInterval(trySetVname);
1318             game.vname = variant.name;
1319             game.vdisp = variant.display;
1320             afterSetVname();
1321           }
1322         }, 500
1323       );
1324     },
1325     // 3 cases for loading a game:
1326     //  - from indexedDB (running or completed live game I play)
1327     //  - from server (one correspondance game I play[ed] or not)
1328     //  - from remote peer (one live game I don't play, finished or not)
1329     fetchGame: function(callback) {
1330       if (
1331         Number.isInteger(this.gameRef) ||
1332         !isNaN(parseInt(this.gameRef, 10))
1333       ) {
1334         // corr games identifiers are integers
1335         ajax(
1336           "/games",
1337           "GET",
1338           {
1339             data: { gid: this.gameRef },
1340             success: (res) => {
1341               res.game.moves.forEach(m => {
1342                 m.squares = JSON.parse(m.squares);
1343               });
1344               callback(res.game);
1345             }
1346           }
1347         );
1348       }
1349       else if (!!this.gameRef.match(/^i/))
1350         // Game import (maybe remote)
1351         ImportgameStorage.get(this.gameRef, callback);
1352       else
1353         // Local live game (or remote)
1354         GameStorage.get(this.gameRef, callback);
1355     },
1356     re_setClocks: function() {
1357       this.virtualClocks = this.game.clocks.map(s => ppt(s).split(':'));
1358       if (this.game.moves.length < 2 || this.game.score != "*") {
1359         // 1st move not completed yet, or game over: freeze time
1360         return;
1361       }
1362       const currentTurn = this.vr.turn;
1363       const currentMovesCount = this.game.moves.length;
1364       const colorIdx = ["w", "b"].indexOf(currentTurn);
1365       this.clockUpdate = setInterval(
1366         () => {
1367           if (
1368             this.game.clocks[colorIdx] < 0 ||
1369             this.game.moves.length > currentMovesCount ||
1370             this.game.score != "*"
1371           ) {
1372             clearInterval(this.clockUpdate);
1373             this.clockUpdate = null;
1374             if (this.game.clocks[colorIdx] < 0)
1375               this.gameOver(
1376                 currentTurn == "w" ? "0-1" : "1-0",
1377                 "Time"
1378               );
1379           }
1380           else {
1381             this.$set(
1382               this.virtualClocks,
1383               colorIdx,
1384               ppt(Math.max(0, --this.game.clocks[colorIdx])).split(':')
1385             );
1386           }
1387         },
1388         1000
1389       );
1390     },
1391     // Update variables and storage after a move:
1392     processMove: function(move, data) {
1393       if (this.game.type == "import")
1394         // Shouldn't receive any messages in this mode:
1395         return;
1396       if (!data) data = {};
1397       const moveCol = this.vr.turn;
1398       const colorIdx = ["w", "b"].indexOf(moveCol);
1399       const nextIdx = 1 - colorIdx;
1400       const doProcessMove = () => {
1401         const origMovescount = this.game.moves.length;
1402         // The move is (about to be) played: stop clock
1403         clearInterval(this.clockUpdate);
1404         this.clockUpdate = null;
1405         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1406           if (this.drawOffer == "received")
1407             // I refuse draw
1408             this.drawOffer = "";
1409           if (this.game.type == "live" && origMovescount >= 2) {
1410             this.game.clocks[colorIdx] += this.game.increment;
1411             // For a correct display in casqe of disconnected opponent:
1412             this.$set(
1413               this.virtualClocks,
1414               colorIdx,
1415               ppt(this.game.clocks[colorIdx]).split(':')
1416             );
1417             GameStorage.update(this.gameRef, {
1418               // It's not my turn anymore:
1419               initime: null
1420             });
1421           }
1422         }
1423         // Update current game object:
1424         playMove(move, this.vr);
1425         if (!data.score)
1426           // Received move, score is computed in BaseGame, but maybe not yet.
1427           // ==> Compute it here, although this is redundant (TODO)
1428           data.score = this.vr.getCurrentScore();
1429         if (data.score != "*") this.gameOver(data.score);
1430         this.game.moves.push(move);
1431         this.game.fen = this.vr.getFen();
1432         if (this.game.type == "corr") {
1433           // In corr games, just reset clock to mainTime:
1434           this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
1435         }
1436         if (!V.IgnoreRepetition) {
1437           // If repetition detected, consider that a draw offer was received:
1438           const fenObj = this.vr.getFenForRepeat();
1439           this.repeat[fenObj] =
1440             !!this.repeat[fenObj]
1441               ? this.repeat[fenObj] + 1
1442               : 1;
1443           if (this.repeat[fenObj] >= 3) {
1444             if (this.vr.loseOnRepetition())
1445               this.gameOver(moveCol == "w" ? "0-1" : "1-0", "Repetition");
1446             else this.drawOffer = "threerep";
1447           }
1448           else if (this.drawOffer == "threerep") this.drawOffer = "";
1449         }
1450         if (!!this.game.mycolor && !data.receiveMyMove) {
1451           // NOTE: 'var' to see that variable outside this block
1452           var filtered_move = getFilteredMove(move);
1453         }
1454         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1455           // Notify turn on MyGames page:
1456           this.notifyMyGames(
1457             "turn",
1458             {
1459               gid: this.gameRef,
1460               turn: this.vr.turn
1461             }
1462           );
1463         }
1464         // Since corr games are stored at only one location, update should be
1465         // done only by one player for each move:
1466         if (
1467           this.game.type == "live" &&
1468           !!this.game.mycolor &&
1469           moveCol != this.game.mycolor &&
1470           this.game.moves.length >= 2
1471         ) {
1472           // Receive a move: update initime
1473           this.game.initime = Date.now();
1474           GameStorage.update(this.gameRef, {
1475             // It's my turn now!
1476             initime: this.game.initime
1477           });
1478         }
1479         if (
1480           !!this.game.mycolor &&
1481           !data.receiveMyMove &&
1482           (this.game.type == "live" || moveCol == this.game.mycolor)
1483         ) {
1484           let drawCode = "";
1485           switch (this.drawOffer) {
1486             case "threerep":
1487               drawCode = "t";
1488               break;
1489             case "sent":
1490               drawCode = this.game.mycolor;
1491               break;
1492             case "received":
1493               drawCode = V.GetOppCol(this.game.mycolor);
1494               break;
1495           }
1496           if (this.game.type == "corr") {
1497             // corr: only move, fen and score
1498             this.updateCorrGame({
1499               fen: this.game.fen,
1500               move: {
1501                 squares: filtered_move,
1502                 idx: origMovescount
1503               },
1504               // Code "n" for "None" to force reset (otherwise it's ignored)
1505               drawOffer: drawCode || "n"
1506             });
1507           }
1508           else {
1509             const updateStorage = () => {
1510               GameStorage.update(this.gameRef, {
1511                 fen: this.game.fen,
1512                 move: filtered_move,
1513                 moveIdx: origMovescount,
1514                 clocks: this.game.clocks,
1515                 drawOffer: drawCode
1516               });
1517             };
1518             // The active tab can update storage immediately
1519             if (this.focus) updateStorage();
1520             // Small random delay otherwise
1521             else setTimeout(updateStorage, 500 + 1000 * Math.random());
1522           }
1523         }
1524         // Send move ("newmove" event) to people in the room (if our turn)
1525         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1526           let sendMove = {
1527             move: filtered_move,
1528             index: origMovescount,
1529             // color is required to check if this is my move
1530             // (if several tabs opened)
1531             color: moveCol,
1532             cancelDrawOffer: this.drawOffer == ""
1533           };
1534           if (this.game.type == "live")
1535             sendMove["clock"] = this.game.clocks[colorIdx];
1536           // (Live) Clocks will re-start when the opponent pingback arrive
1537           this.opponentGotMove = false;
1538           this.send("newmove", {data: sendMove});
1539           // If the opponent doesn't reply gotmove soon enough, re-send move:
1540           // Do this at most 2 times, because more would mean network issues,
1541           // opponent would then be expected to disconnect/reconnect.
1542           let counter = 1;
1543           const currentUrl = document.location.href;
1544           this.retrySendmove = setInterval(
1545             () => {
1546               if (
1547                 counter >= 3 ||
1548                 this.opponentGotMove ||
1549                 document.location.href != currentUrl //page change
1550               ) {
1551                 clearInterval(this.retrySendmove);
1552                 return;
1553               }
1554               const oppsid = this.getOppsid();
1555               if (!oppsid)
1556                 // Opponent is disconnected: he'll ask last state
1557                 clearInterval(this.retrySendmove);
1558               else {
1559                 this.send("newmove", { data: sendMove, target: oppsid });
1560                 counter++;
1561               }
1562             },
1563             1500
1564           );
1565         }
1566         else
1567           // Not my move or I'm an observer: just start other player's clock
1568           this.re_setClocks();
1569       };
1570       if (
1571         this.game.type == "corr" &&
1572         moveCol == this.game.mycolor &&
1573         !data.receiveMyMove
1574       ) {
1575         let boardDiv = document.querySelector(".game");
1576         const afterSetScore = () => {
1577           doProcessMove();
1578           if (this.st.settings.gotonext && this.nextIds.length > 0)
1579             this.showNextGame();
1580           else {
1581             // The board might have been hidden:
1582             if (boardDiv.style.visibility == "hidden")
1583               boardDiv.style.visibility = "visible";
1584             if (data.score == "*") this.re_setClocks();
1585           }
1586         };
1587         if (!V.CorrConfirm) {
1588           afterSetScore();
1589           return;
1590         }
1591         let el = document.querySelector("#buttonsConfirm > .acceptBtn");
1592         // We may play several moves in a row: in case of, remove listener:
1593         let elClone = el.cloneNode(true);
1594         el.parentNode.replaceChild(elClone, el);
1595         elClone.addEventListener(
1596           "click",
1597           () => {
1598             document.getElementById("modalConfirm").checked = false;
1599             if (!!data.score && data.score != "*")
1600               // Set score first
1601               this.gameOver(data.score, null, afterSetScore);
1602             else afterSetScore();
1603           }
1604         );
1605         // PlayOnBoard is enough, and more appropriate for Synchrone Chess
1606         const arMove = (Array.isArray(move) ? move : [move]);
1607         for (let i = 0; i < arMove.length; i++)
1608           V.PlayOnBoard(this.vr.board, arMove[i]);
1609         const position = this.vr.getBaseFen();
1610         for (let i = arMove.length - 1; i >= 0; i--)
1611           V.UndoOnBoard(this.vr.board, arMove[i]);
1612         if (["all","byrow"].includes(V.ShowMoves)) {
1613           this.curDiag = getDiagram({
1614             position: position,
1615             orientation: V.CanFlip ? this.game.mycolor : "w"
1616           });
1617           document.querySelector("#confirmDiv > .card").style.width =
1618             boardDiv.offsetWidth + "px";
1619         }
1620         else {
1621           // Incomplete information: just ask confirmation
1622           // Hide the board, because otherwise it could reveal infos
1623           boardDiv.style.visibility = "hidden";
1624           this.moveNotation = getFullNotation(move);
1625         }
1626         document.getElementById("modalConfirm").checked = true;
1627       }
1628       else {
1629         // Normal situation
1630         if (!!data.score && data.score != "*")
1631           this.gameOver(data.score, null, doProcessMove);
1632         else doProcessMove();
1633       }
1634     },
1635     cancelMove: function() {
1636       let boardDiv = document.querySelector(".game");
1637       if (boardDiv.style.visibility == "hidden")
1638         boardDiv.style.visibility = "visible";
1639       document.getElementById("modalConfirm").checked = false;
1640       this.$refs["basegame"].cancelLastMove();
1641     },
1642     // In corr games, callback to change page only after score is set:
1643     gameOver: function(score, scoreMsg, callback) {
1644       this.game.score = score;
1645       if (!scoreMsg) scoreMsg = getScoreMessage(score, V.ReverseColors);
1646       this.game.scoreMsg = scoreMsg;
1647       document.getElementById("modalRules").checked = false;
1648       // Display result in a un-missable way:
1649       document.getElementById("modalScore").checked = true;
1650       this.$set(this.game, "scoreMsg", scoreMsg);
1651       const myIdx = this.game.players.findIndex(p => {
1652         return (
1653           p.sid == this.st.user.sid ||
1654           (!!p.name && p.id == this.st.user.id)
1655         );
1656       });
1657       if (myIdx >= 0) {
1658         // OK, I play in this game
1659         const scoreObj = {
1660           score: score,
1661           scoreMsg: scoreMsg
1662         };
1663         if (this.game.type == "live") {
1664           GameStorage.update(this.gameRef, scoreObj);
1665           // Notify myself locally if I'm elsewhere:
1666           if (!this.focus) {
1667             notify(
1668               "Game over",
1669               { body: score + " : " + scoreMsg }
1670             );
1671           }
1672           if (!!callback) callback();
1673         }
1674         else this.updateCorrGame(scoreObj, callback);
1675         // Notify the score to main Hall.
1676         // TODO: only one player (currently double send)
1677         this.send("result", { gid: this.game.id, score: score });
1678         // Also to MyGames page (TODO: doubled as well...)
1679         this.notifyMyGames(
1680           "score",
1681           {
1682             gid: this.gameRef,
1683             score: score
1684           }
1685         );
1686       }
1687       else if (!!callback) callback();
1688     }
1689   }
1690 };
1691 </script>
1692
1693 <style lang="sass" scoped>
1694 #scoreDiv > .card, #rematchDiv > .card
1695   padding: 10px 0
1696   max-width: 430px
1697
1698 #rulesDiv > .card
1699   padding: 5px 0
1700   max-width: 50%
1701   max-height: 100%
1702   @media screen and (max-width: 1500px)
1703     max-width: 67%
1704   @media screen and (max-width: 1024px)
1705     max-width: 85%
1706   @media screen and (max-width: 767px)
1707     max-width: 100%
1708
1709 p.score-section
1710   margin: 0
1711   font-size: 1.3em
1712   span.score
1713     font-weight: bold
1714
1715 .connected
1716   background-color: lightgreen
1717
1718 #participants
1719   margin-left: 5px
1720
1721 .anonymous
1722   color: grey
1723   font-style: italic
1724
1725 #playersInfo > p
1726   margin: 0
1727
1728 @media screen and (max-width: 767px)
1729   .game
1730     width: 100%
1731
1732 #actions
1733   display: inline-block
1734   margin: 0
1735
1736 button
1737   display: inline-block
1738   margin: 0
1739   display: inline-flex
1740   img
1741     height: 22px
1742     display: flex
1743     @media screen and (max-width: 767px)
1744       height: 18px
1745
1746 #aboveBoard
1747   text-align: center
1748
1749 .user-bio
1750   display: inline
1751   font-size: 1.5rem
1752   @media screen and (max-width: 767px)
1753     font-size: 1.2rem
1754   padding: 0 3px
1755
1756 .variant-cadence
1757   padding-right: 10px
1758
1759 .variant-name
1760   font-weight: bold
1761   padding-right: 10px
1762
1763 span#nextGame
1764   background-color: #edda99
1765   cursor: pointer
1766   display: inline-block
1767   margin-right: 10px
1768
1769 span.separator
1770   display: inline-block
1771   margin: 0
1772   padding: 0
1773   width: 10px
1774
1775 span.time
1776   font-size: 2rem
1777   @media screen and (max-width: 767px)
1778     font-size: 1.5rem
1779   display: inline-block
1780   .time-left
1781     margin-left: 10px
1782   .time-right
1783     margin-left: 5px
1784   .time-separator
1785     margin-left: 5px
1786     position: relative
1787     top: -1px
1788
1789 span.yourturn
1790   color: #831B1B
1791   .time-separator
1792     animation: blink-animation 2s steps(3, start) infinite
1793 @keyframes blink-animation
1794   to
1795     visibility: hidden
1796
1797 .split-names
1798   display: inline-block
1799   margin: 0 15px
1800
1801 #chatWrap > .card
1802   padding-top: 20px
1803   max-width: 767px
1804   border: none
1805
1806 #confirmDiv > .card
1807   max-width: 767px
1808   max-height: 100%
1809
1810 .draw-sent, .draw-sent:hover
1811   background-color: lightyellow
1812
1813 .draw-received, .draw-received:hover
1814   background-color: #73C6B6
1815
1816 .draw-threerep, .draw-threerep:hover
1817   background-color: #D2B4DE
1818
1819 .rematch-sent, .rematch-sent:hover
1820   background-color: lightyellow
1821
1822 .rematch-received, .rematch-received:hover
1823   background-color: #48C9B0
1824
1825 .somethingnew
1826   background-color: #D2B4DE
1827
1828 .diagram
1829   margin: 0 auto
1830   width: 100%
1831
1832 #buttonsConfirm
1833   margin: 0
1834   & > button > span
1835     width: 100%
1836     text-align: center
1837
1838 button.acceptBtn
1839   background-color: lightgreen
1840 button.refuseBtn
1841   background-color: red
1842
1843 a#variantNameInGame
1844   color: var(--card-fore-color)
1845   text-align: center
1846   font-weight: bold
1847   font-size: calc(1rem * var(--heading-ratio))
1848   line-height: 1.2
1849   margin: calc(1.5 * var(--universal-margin))
1850 </style>
1851
1852 <style lang="sass">
1853 @import "@/styles/_rules.sass"
1854 @import "@/styles/_board_squares_img.sass"
1855 </style>