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.vname }}
  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="participateInChat(p)"
  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 {{ game.vname }}
  82       span#nextGame(
  83         v-if="nextIds.length > 0"
  84         @click="showNextGame()"
  85       )
  86         | {{ st.tr["Next_g"] }}
  87       button#chatBtn(
  88         :class="btnTooltipClass()"
  89         onClick="window.doClick('modalChat')"
  90         aria-label="Chat"
  91       )
  92         img(src="/images/icons/chat.svg")
  93       #actions(v-if="game.score=='*'")
  94         button(
  95           @click="clickDraw()"
  96           :class="btnTooltipClass('draw')"
  97           :aria-label="st.tr['Draw']"
  98         )
  99           img(src="/images/icons/draw.svg")
 100         button(
 101           v-if="!!game.mycolor"
 102           :class="btnTooltipClass()"
 103           @click="abortGame()"
 104           :aria-label="st.tr['Abort']"
 105         )
 106           img(src="/images/icons/abort.svg")
 107         button(
 108           v-if="!!game.mycolor"
 109           :class="btnTooltipClass()"
 110           @click="resign()"
 111           :aria-label="st.tr['Resign']"
 112         )
 113           img(src="/images/icons/resign.svg")
 114       button(
 115         v-else
 116         :class="btnTooltipClass('rematch')"
 117         @click="clickRematch()"
 118         :aria-label="st.tr['Rematch']"
 119       )
 120         img(src="/images/icons/rematch.svg")
 121       #playersInfo
 122         div(v-if="isLargeScreen()")
 123           span.name(:class="{connected: isConnected(0)}")
 124             | {{ game.players[0].name || "@nonymous" }}
 125           span.time(
 126             v-if="game.score=='*'"
 127             :class="{yourturn: !!vr && vr.turn == 'w'}"
 128           )
 129             span.time-left {{ virtualClocks[0][0] }}
 130             span.time-separator(v-if="!!virtualClocks[0][1]") :
 131             span.time-right(v-if="!!virtualClocks[0][1]")
 132               | {{ virtualClocks[0][1] }}
 133           span.split-names -
 134           span.name(:class="{connected: isConnected(1)}")
 135             | {{ game.players[1].name || "@nonymous" }}
 136           span.time(
 137             v-if="game.score=='*'"
 138             :class="{yourturn: !!vr && vr.turn == 'b'}"
 139           )
 140             span.time-left {{ virtualClocks[1][0] }}
 141             span.time-separator(v-if="!!virtualClocks[1][1]") :
 142             span.time-right(v-if="!!virtualClocks[1][1]")
 143               | {{ virtualClocks[1][1] }}
 144         div(v-else)
 145           span.name(:class="{connected: isConnected(0)}")
 146             | {{ game.players[0].name || "@nonymous" }}
 147           span.split-names -
 148           span.name(:class="{connected: isConnected(1)}")
 149             | {{ game.players[1].name || "@nonymous" }}
 150           div(v-if="game.score=='*'")
 151             span.time(:class="{yourturn: !!vr && vr.turn == 'w'}")
 152               span.time-left {{ virtualClocks[0][0] }}
 153               span.time-separator(v-if="!!virtualClocks[0][1]") :
 154               span.time-right(v-if="!!virtualClocks[0][1]")
 155                 | {{ virtualClocks[0][1] }}
 156             span.separator
 157             span.time(:class="{yourturn: !!vr && vr.turn == 'b'}")
 158               span.time-left {{ virtualClocks[1][0] }}
 159               span.time-separator(v-if="!!virtualClocks[1][1]") :
 160               span.time-right(v-if="!!virtualClocks[1][1]")
 161                 | {{ virtualClocks[1][1] }}
 162   BaseGame(
 163     ref="basegame"
 164     :game="game"
 165     @newmove="processMove"
 166   )
 167 </template>
 168
 169 <script>
 170 import BaseGame from "@/components/BaseGame.vue";
 171 import Chat from "@/components/Chat.vue";
 172 import { store } from "@/store";
 173 import { GameStorage } from "@/utils/gameStorage";
 174 import { ImportgameStorage } from "@/utils/importgameStorage";
 175 import { ppt } from "@/utils/datetime";
 176 import { notify } from "@/utils/notifications";
 177 import { ajax } from "@/utils/ajax";
 178 import { extractTime } from "@/utils/timeControl";
 179 import { getRandString } from "@/utils/alea";
 180 import { getScoreMessage } from "@/utils/scoring";
 181 import { getFullNotation } from "@/utils/notation";
 182 import { getDiagram, replaceByDiag } from "@/utils/printDiagram";
 183 import { processModalClick } from "@/utils/modalClick";
 184 import { playMove, getFilteredMove } from "@/utils/playUndo";
 185 import { ArrayFun } from "@/utils/array";
 186 import params from "@/parameters";
 187 export default {
 188   name: "my-game",
 189   components: {
 190     BaseGame,
 191     Chat
 192   },
 193   data: function() {
 194     return {
 195       st: store.state,
 196       // gameRef can point to a corr game, local game or remote live game
 197       gameRef: "",
 198       nextIds: [],
 199       game: {}, //passed to BaseGame
 200       focus: !document.hidden, //will not always work... TODO
 201       // virtualClocks will be initialized from true game.clocks
 202       virtualClocks: [],
 203       vr: null, //"variant rules" object initialized from FEN
 204       rulesContent: "",
 205       drawOffer: "",
 206       rematchId: "",
 207       rematchOffer: "",
 208       lastateAsked: false,
 209       people: {}, //players + observers
 210       lastate: undefined, //used if opponent send lastate before game is ready
 211       repeat: {}, //detect position repetition
 212       curDiag: "", //for corr moves confirmation
 213       conn: null,
 214       roomInitialized: false,
 215       // If newmove has wrong index: ask fullgame again:
 216       askGameTime: 0,
 217       gameIsLoading: false,
 218       // If asklastate got no reply, ask again:
 219       gotLastate: false,
 220       gotMoveIdx: -1, //last move index received
 221       // If newmove got no pingback, send again:
 222       opponentGotMove: false,
 223       connexionString: "",
 224       socketCloseListener: 0,
 225       // Incomplete info games: show move played
 226       moveNotation: "",
 227       // Intervals from setInterval():
 228       askLastate: null,
 229       retrySendmove: null,
 230       clockUpdate: null,
 231       // Related to (killing of) self multi-connects:
 232       newConnect: {}
 233     };
 234   },
 235   watch: {
 236     $route: function(to, from) {
 237       if (to.path.length < 6 || to.path.substr(0, 6) != "/game/")
 238         // Page change
 239         this.cleanBeforeDestroy();
 240       else if (from.params["id"] != to.params["id"]) {
 241         // Change everything:
 242         this.cleanBeforeDestroy();
 243         let boardDiv = document.querySelector(".game");
 244         if (!!boardDiv)
 245           // In case of incomplete information variant:
 246           boardDiv.style.visibility = "hidden";
 247         this.atCreation();
 248       } else
 249         // Same game ID
 250         this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 251     }
 252   },
 253   // NOTE: some redundant code with Hall.vue (mostly related to people array)
 254   created: function() {
 255     this.atCreation();
 256   },
 257   mounted: function() {
 258     document.getElementById("chatWrap")
 259       .addEventListener("click", (e) => {
 260         processModalClick(e, () => {
 261           this.toggleChat("close")
 262         });
 263       });
 264     ["rulesDiv", "rematchDiv", "scoreDiv"].forEach(
 265       (eltName) => {
 266         document.getElementById(eltName)
 267           .addEventListener("click", processModalClick);
 268       }
 269     );
 270   },
 271   beforeDestroy: function() {
 272     this.cleanBeforeDestroy();
 273   },
 274   methods: {
 275     cleanBeforeDestroy: function() {
 276       clearInterval(this.socketCloseListener);
 277       document.removeEventListener('visibilitychange', this.visibilityChange);
 278       window.removeEventListener('focus', this.onFocus);
 279       window.removeEventListener('blur', this.onBlur);
 280       if (!!this.askLastate) clearInterval(this.askLastate);
 281       if (!!this.retrySendmove) clearInterval(this.retrySendmove);
 282       if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 283       this.conn.removeEventListener("message", this.socketMessageListener);
 284       this.send("disconnect");
 285       this.conn = null;
 286     },
 287     visibilityChange: function() {
 288       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 289       this.focus = (document.visibilityState == "visible");
 290       this.send(this.focus ? "getfocus" : "losefocus");
 291     },
 292     onFocus: function() {
 293       this.focus = true;
 294       this.send("getfocus");
 295     },
 296     onBlur: function() {
 297       this.focus = false;
 298       this.send("losefocus");
 299     },
 300     isLargeScreen: function() {
 301       return window.innerWidth >= 768;
 302     },
 303     btnTooltipClass: function(thing) {
 304       let append = {};
 305       if (!!thing) append = { [thing + "-" + this[thing + "Offer"]]: true };
 306       return (
 307         Object.assign(
 308           { tooltip: !("ontouchstart" in window) },
 309           append
 310         )
 311       );
 312     },
 313     participateInChat: function(p) {
 314       return Object.keys(p.tmpIds).some(x => p.tmpIds[x].focus) && !!p.name;
 315     },
 316     someAnonymousPresent: function() {
 317       return (
 318         Object.values(this.people).some(p =>
 319           !p.name && Object.keys(p.tmpIds).some(x => p.tmpIds[x].focus)
 320         )
 321       );
 322     },
 323     atCreation: function() {
 324       document.addEventListener('visibilitychange', this.visibilityChange);
 325       window.addEventListener('focus', this.onFocus);
 326       window.addEventListener('blur', this.onBlur);
 327       // 0] (Re)Set variables
 328       this.gameRef = this.$route.params["id"];
 329       // next = next corr games IDs to navigate faster (if applicable)
 330       this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 331       // Always add myself to players' list
 332       const my = this.st.user;
 333       const tmpId = getRandString();
 334       this.$set(
 335         this.people,
 336         my.sid,
 337         {
 338           id: my.id,
 339           name: my.name,
 340           tmpIds: {
 341             tmpId: { focus: true }
 342           }
 343         }
 344       );
 345       this.game = {
 346         players: [{ name: "" }, { name: "" }],
 347         chats: [],
 348         rendered: false
 349       };
 350       let chatComp = this.$refs["chatcomp"];
 351       if (!!chatComp) chatComp.chats = [];
 352       this.virtualClocks = [[0,0], [0,0]];
 353       this.vr = null;
 354       this.rulesContent = "";
 355       this.drawOffer = "";
 356       this.lastateAsked = false;
 357       this.rematchOffer = "";
 358       this.lastate = undefined;
 359       this.roomInitialized = false;
 360       this.askGameTime = 0;
 361       this.gameIsLoading = false;
 362       this.gotLastate = false;
 363       this.gotMoveIdx = -1;
 364       this.opponentGotMove = false;
 365       this.askLastate = null;
 366       this.retrySendmove = null;
 367       this.clockUpdate = null;
 368       this.newConnect = {};
 369       // 1] Initialize connection
 370       this.connexionString =
 371         params.socketUrl +
 372         "/?sid=" + this.st.user.sid +
 373         "&id=" + this.st.user.id +
 374         "&tmpId=" + tmpId +
 375         "&page=" +
 376         // Discard potential "/?next=[...]" for page indication:
 377         encodeURIComponent(this.$route.path.match(/\/game\/[a-zA-Z0-9]+/)[0]);
 378       this.conn = new WebSocket(this.connexionString);
 379       this.conn.addEventListener("message", this.socketMessageListener);
 380       this.socketCloseListener = setInterval(
 381         () => {
 382           if (this.conn.readyState == 3) {
 383             this.conn.removeEventListener(
 384               "message", this.socketMessageListener);
 385             this.conn = new WebSocket(this.connexionString);
 386             this.conn.addEventListener("message", this.socketMessageListener);
 387           }
 388         },
 389         1000
 390       );
 391       // Socket init required before loading remote game:
 392       const socketInit = callback => {
 393         if (this.conn.readyState == 1)
 394           // 1 == OPEN state
 395           callback();
 396         else
 397           // Socket not ready yet (initial loading)
 398           // NOTE: first arg is Websocket object, unused here:
 399           this.conn.onopen = () => callback();
 400       };
 401       this.fetchGame((game) => {
 402         if (!!game)
 403           this.loadVariantThenGame(game, () => socketInit(this.roomInit));
 404         else
 405           // Live game stored remotely: need socket to retrieve it
 406           // NOTE: the callback "roomInit" will be lost, so it's not provided.
 407           // --> It will be given when receiving "fullgame" socket event.
 408           socketInit(() => { this.send("askfullgame"); });
 409       });
 410     },
 411     roomInit: function() {
 412       if (!this.roomInitialized) {
 413         // Notify the room only now that I connected, because
 414         // messages might be lost otherwise (if game loading is slow)
 415         this.send("connect");
 416         this.send("pollclients");
 417         // We may ask fullgame several times if some moves are lost,
 418         // but room should be init only once:
 419         this.roomInitialized = true;
 420       }
 421     },
 422     send: function(code, obj) {
 423       if (!!this.conn && this.conn.readyState == 1)
 424         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 425     },
 426     isConnected: function(index) {
 427       const player = this.game.players[index];
 428       // Is it me ? In this case no need to bother with focus
 429       if (
 430         this.st.user.sid == player.sid ||
 431         (!!player.name && this.st.user.id == player.id)
 432       ) {
 433         // Still have to check for name (because of potential multi-accounts
 434         // on same browser, although this should be rare...)
 435         return (!this.st.user.name || this.st.user.name == player.name);
 436       }
 437       // Try to find a match in people:
 438       return (
 439         (
 440           !!player.sid &&
 441           Object.keys(this.people).some(sid => {
 442             return (
 443               sid == player.sid &&
 444               Object.values(this.people[sid].tmpIds).some(v => v.focus)
 445             );
 446           })
 447         )
 448         ||
 449         (
 450           player.id > 0 &&
 451           Object.values(this.people).some(p => {
 452             return (
 453               p.id == player.id &&
 454               Object.values(p.tmpIds).some(v => v.focus)
 455             );
 456           })
 457         )
 458       );
 459     },
 460     getOppsid: function() {
 461       let oppsid = this.game.oppsid;
 462       if (!oppsid) {
 463         oppsid = Object.keys(this.people).find(
 464           sid => this.people[sid].id == this.game.oppid
 465         );
 466       }
 467       // oppsid is useful only if opponent is online:
 468       if (!!oppsid && !!this.people[oppsid]) return oppsid;
 469       return null;
 470     },
 471     // NOTE: action if provided is always a closing action
 472     toggleChat: function(action) {
 473       if (!action && document.getElementById("modalChat").checked)
 474         // Entering chat
 475         document.getElementById("inputChat").focus();
 476       else {
 477         document.getElementById("chatBtn").classList.remove("somethingnew");
 478         if (!!this.game.mycolor) {
 479           // Update "chatRead" variable either on server or locally
 480           if (this.game.type == "corr")
 481             this.updateCorrGame({ chatRead: this.game.mycolor });
 482           else if (this.game.type == "live")
 483             GameStorage.update(this.gameRef, { chatRead: true });
 484         }
 485       }
 486     },
 487     processChat: function(chat) {
 488       this.send("newchat", { data: chat });
 489       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 490       if (!!this.game.mycolor) {
 491         if (this.game.type == "corr")
 492           this.updateCorrGame({ chat: chat });
 493         else {
 494           // Live game
 495           chat.added = Date.now();
 496           GameStorage.update(this.gameRef, { chat: chat });
 497         }
 498       }
 499     },
 500     clearChat: function() {
 501       if (!!this.game.mycolor) {
 502         if (this.game.type == "corr") {
 503           ajax(
 504             "/chats",
 505             "DELETE",
 506             { data: { gid: this.game.id } }
 507           );
 508         } else {
 509           // Live game
 510           GameStorage.update(this.gameRef, { delchat: true });
 511         }
 512         this.$set(this.game, "chats", []);
 513       }
 514     },
 515     getGameType: function(game) {
 516       if (!!game.id.toString().match(/^i/)) return "import";
 517       return game.cadence.indexOf("d") >= 0 ? "corr" : "live";
 518     },
 519     // Notify something after a new move (to opponent and me on MyGames page)
 520     notifyMyGames: function(thing, data) {
 521       this.send(
 522         "notify" + thing,
 523         {
 524           data: data,
 525           targets: this.game.players.map(p => {
 526             return { sid: p.sid, id: p.id };
 527           })
 528         }
 529       );
 530     },
 531     showNextGame: function() {
 532       // Did I play in current game? If not, add it to nextIds list
 533       if (this.game.score == "*" && this.vr.turn == this.game.mycolor)
 534         this.nextIds.unshift(this.game.id);
 535       const nextGid = this.nextIds.pop();
 536       this.$router.push(
 537         "/game/" + nextGid + "/?next=" + JSON.stringify(this.nextIds));
 538     },
 539     askGameAgain: function() {
 540       this.gameIsLoading = true;
 541       const currentUrl = document.location.href;
 542       const doAskGame = () => {
 543         if (document.location.href != currentUrl) return; //page change
 544         this.fetchGame((game) => {
 545           if (!!game)
 546             // This is my game: just reload.
 547             this.loadGame(game);
 548           else
 549             // Just ask fullgame again (once!), this is much simpler.
 550             // If this fails, the user could just reload page :/
 551             this.send("askfullgame");
 552         });
 553       };
 554       // Delay of at least 2s between two game requests
 555       const now = Date.now();
 556       const delay = Math.max(2000 - (now - this.askGameTime), 0);
 557       this.askGameTime = now;
 558       setTimeout(doAskGame, delay);
 559     },
 560     socketMessageListener: function(msg) {
 561       if (!this.conn) return;
 562       const data = JSON.parse(msg.data);
 563       switch (data.code) {
 564         case "pollclients":
 565           // TODO: shuffling and random filtering on server,
 566           // if the room is really crowded.
 567           Object.keys(data.sockIds).forEach(sid => {
 568             if (sid != this.st.user.sid) {
 569               this.send("askidentity", { target: sid });
 570               this.people[sid] = { tmpIds: data.sockIds[sid] };
 571             }
 572             else {
 573               // Complete my tmpIds:
 574               Object.assign(this.people[sid].tmpIds, data.sockIds[sid]);
 575             }
 576           });
 577           break;
 578         case "connect":
 579           if (!this.people[data.from[0]]) {
 580             // focus depends on the tmpId (e.g. tab)
 581             this.$set(
 582               this.people,
 583               data.from[0],
 584               {
 585                 tmpIds: {
 586                   [data.from[1]]: { focus: true }
 587                 }
 588               }
 589             );
 590             // For self multi-connects tests:
 591             this.newConnect[data.from[0]] = true;
 592             this.send("askidentity", { target: data.from[0] });
 593           } else {
 594             this.people[data.from[0]].tmpIds[data.from[1]] = { focus: true };
 595             this.$forceUpdate(); //TODO: shouldn't be required
 596           }
 597           break;
 598         case "disconnect":
 599           if (!this.people[data.from[0]]) return;
 600           delete this.people[data.from[0]].tmpIds[data.from[1]];
 601           if (Object.keys(this.people[data.from[0]].tmpIds).length == 0)
 602             this.$delete(this.people, data.from[0]);
 603           else this.$forceUpdate(); //TODO: shouldn't be required
 604           break;
 605         case "getfocus": {
 606           let player = this.people[data.from[0]];
 607           if (!!player) {
 608             player.tmpIds[data.from[1]].focus = true;
 609             this.$forceUpdate(); //TODO: shouldn't be required
 610           }
 611           break;
 612         }
 613         case "losefocus": {
 614           let player = this.people[data.from[0]];
 615           if (!!player) {
 616             player.tmpIds[data.from[1]].focus = false;
 617             this.$forceUpdate(); //TODO: shouldn't be required
 618           }
 619           break;
 620         }
 621         case "askidentity": {
 622           // Request for identification
 623           const me = {
 624             // Decompose to avoid revealing email
 625             name: this.st.user.name,
 626             sid: this.st.user.sid,
 627             id: this.st.user.id
 628           };
 629           this.send("identity", { data: me, target: data.from });
 630           break;
 631         }
 632         case "identity": {
 633           const user = data.data;
 634           let player = this.people[user.sid];
 635           // player.tmpIds is already set
 636           player.name = user.name;
 637           player.id = user.id;
 638           if (this.game.type == "live") {
 639             const myGidx =
 640               this.game.players.findIndex(p => p.sid == this.st.user.sid);
 641             // Sometimes a player name isn't stored yet (TODO: why?)
 642             if (
 643               myGidx >= 0 &&
 644               !this.game.players[1 - myGidx].name &&
 645               this.game.players[1 - myGidx].sid == user.sid &&
 646               !!user.name
 647             ) {
 648               this.game.players[1-myGidx].name = user.name;
 649               GameStorage.update(
 650                 this.gameRef,
 651                 { playerName: { idx: 1 - myGidx, name: user.name } }
 652               );
 653             }
 654           }
 655           this.$forceUpdate(); //TODO: shouldn't be required
 656           // If I multi-connect, kill current connexion if no mark (I'm older)
 657           if (this.newConnect[user.sid]) {
 658             delete this.newConnect[user.sid];
 659             if (
 660               user.id > 0 &&
 661               user.id == this.st.user.id &&
 662               user.sid != this.st.user.sid
 663             ) {
 664               this.cleanBeforeDestroy();
 665               alert(this.st.tr["New connexion detected: tab now offline"]);
 666               break;
 667             }
 668           }
 669           // Ask potentially missed last state, if opponent and I play
 670           if (
 671             !this.gotLastate &&
 672             !!this.game.mycolor &&
 673             this.game.type == "live" &&
 674             this.game.players.some(p => p.sid == user.sid)
 675           ) {
 676             this.send("asklastate", { target: user.sid });
 677             let counter = 1;
 678             this.askLastate = setInterval(
 679               () => {
 680                 // Ask at most 3 times:
 681                 // if no reply after that there should be a network issue.
 682                 if (
 683                   counter < 3 &&
 684                   !this.gotLastate &&
 685                   !!this.people[user.sid]
 686                 ) {
 687                   this.send("asklastate", { target: user.sid });
 688                   counter++;
 689                 } else {
 690                   clearInterval(this.askLastate);
 691                 }
 692               },
 693               1500
 694             );
 695           }
 696           break;
 697         }
 698         case "askgame":
 699           // Send current (live or import) game,
 700           // if not asked by any of the players
 701           if (
 702             this.game.type != "corr" &&
 703             this.game.players.every(p => p.sid != data.from[0])
 704           ) {
 705             const myGame = {
 706               id: this.game.id,
 707               // FEN is current position, unused for now
 708               fen: this.game.fen,
 709               players: this.game.players,
 710               vid: this.game.vid,
 711               cadence: this.game.cadence,
 712               score: this.game.score
 713             };
 714             this.send("game", { data: myGame, target: data.from });
 715           }
 716           break;
 717         case "askfullgame":
 718           const gameToSend = Object.keys(this.game)
 719             .filter(k =>
 720               [
 721                 "id","fen","players","vid","cadence","fenStart","vname",
 722                 "moves","clocks","score","drawOffer","rematchOffer"
 723               ].includes(k))
 724             .reduce(
 725               (obj, k) => {
 726                 obj[k] = this.game[k];
 727                 return obj;
 728               },
 729               {}
 730             );
 731           this.send("fullgame", { data: gameToSend, target: data.from });
 732           break;
 733         case "fullgame":
 734           if (!!data.data.empty) {
 735             alert(this.st.tr["The game should be in another tab"]);
 736             this.$router.go(-1);
 737           }
 738           else
 739             // Callback "roomInit" to poll clients only after game is loaded
 740             this.loadVariantThenGame(data.data, this.roomInit);
 741           break;
 742         case "asklastate":
 743           // Sending informative last state if I played a move or score != "*"
 744           // If the game or moves aren't loaded yet, delay the sending:
 745           // TODO: socket init after game load, so the game is supposedly ready
 746           if (!this.game || !this.game.moves) this.lastateAsked = true;
 747           else this.sendLastate(data.from);
 748           break;
 749         // TODO: possible bad scenario: reload page while oppponent sends a
 750         // move => get both lastate and newmove, process both, add move twice.
 751         // Confirm scenario? Fix?
 752         case "lastate": {
 753           // Got opponent infos about last move
 754           this.gotLastate = true;
 755           this.lastate = data.data;
 756           if (this.lastate.movesCount - 1 > this.gotMoveIdx)
 757             this.gotMoveIdx = this.lastate.movesCount - 1;
 758           if (this.game.rendered)
 759             // Game is rendered (Board component)
 760             this.processLastate();
 761           // Else: will be processed when game is ready
 762           break;
 763         }
 764         case "newmove": {
 765
 766 // DEBUG:
 767 console.log("Receive move");
 768 console.log(data.data);
 769 //moveslist not updated when receiving a move? (see in baseGame)
 770
 771           const movePlus = data.data;
 772           const movesCount = this.game.moves.length;
 773           if (movePlus.index > movesCount) {
 774             // This can only happen if I'm an observer and missed a move.
 775             if (this.gotMoveIdx < movePlus.index)
 776               this.gotMoveIdx = movePlus.index;
 777             if (!this.gameIsLoading) this.askGameAgain();
 778           }
 779           else {
 780             if (
 781               movePlus.index < movesCount ||
 782               this.gotMoveIdx >= movePlus.index
 783             ) {
 784               // Opponent re-send but we already have the move:
 785               // (maybe he didn't receive our pingback...)
 786               this.send("gotmove", {data: movePlus.index, target: data.from});
 787             } else {
 788               this.gotMoveIdx = movePlus.index;
 789               const receiveMyMove = (movePlus.color == this.game.mycolor);
 790               const moveColIdx = ["w", "b"].indexOf(movePlus.color);
 791               if (!receiveMyMove && !!this.game.mycolor) {
 792                 // Notify opponent that I got the move:
 793                 this.send(
 794                   "gotmove",
 795                   { data: movePlus.index, target: data.from }
 796                 );
 797                 // And myself if I'm elsewhere:
 798                 if (!this.focus) {
 799                   notify(
 800                     "New move",
 801                     {
 802                       body:
 803                         (this.game.players[moveColIdx].name || "@nonymous") +
 804                         " just played."
 805                     }
 806                   );
 807                 }
 808               }
 809               if (movePlus.cancelDrawOffer) {
 810                 // Opponent refuses draw
 811                 this.drawOffer = "";
 812                 // NOTE for corr games: drawOffer reset by player in turn
 813                 if (
 814                   this.game.type == "live" &&
 815                   !!this.game.mycolor &&
 816                   !receiveMyMove
 817                 ) {
 818                   GameStorage.update(this.gameRef, { drawOffer: "" });
 819                 }
 820               }
 821               this.$refs["basegame"].play(movePlus.move, "received");
 822               // Freeze time while the move is being play
 823               // (TODO: a callback would be cleaner here)
 824               clearInterval(this.clockUpdate);
 825               this.clockUpdate = null;
 826               const freezeDuration = ["all", "highlight"].includes(V.ShowMoves)
 827                 // 250 = length of animation, 500 = delay between sub-moves
 828                 ? 250 + 750 *
 829                   (Array.isArray(movePlus.move) ? movePlus.move.length - 1 : 0)
 830                 // Incomplete information: no move animation
 831                 : 0;
 832               setTimeout(
 833                 () => {
 834                   this.game.clocks[moveColIdx] = movePlus.clock;
 835                   this.processMove(
 836                     movePlus.move,
 837                     { receiveMyMove: receiveMyMove }
 838                   );
 839                 },
 840                 freezeDuration
 841               );
 842             }
 843           }
 844           break;
 845         }
 846         case "gotmove": {
 847           this.opponentGotMove = true;
 848           // Now his clock starts running on my side:
 849           const oppIdx = ['w','b'].indexOf(this.vr.turn);
 850           // NOTE: next line to avoid multi-resetClocks when several tabs
 851           // on same game, resulting in a faster countdown.
 852           if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 853           this.re_setClocks();
 854           break;
 855         }
 856         case "resign":
 857           const score = (data.data == "b" ? "1-0" : "0-1");
 858           const side = (data.data == "w" ? "White" : "Black");
 859           this.gameOver(score, side + " surrender");
 860           break;
 861         case "abort":
 862           this.gameOver("?", "Stop");
 863           break;
 864         case "draw":
 865           this.gameOver("1/2", data.data);
 866           break;
 867         case "drawoffer":
 868           // NOTE: observers don't know who offered draw
 869           this.drawOffer = "received";
 870           if (!!this.game.mycolor && this.game.type == "live") {
 871             GameStorage.update(
 872               this.gameRef,
 873               { drawOffer: V.GetOppCol(this.game.mycolor) }
 874             );
 875           }
 876           break;
 877         case "rematchoffer":
 878           // NOTE: observers don't know who offered rematch
 879           this.rematchOffer = data.data ? "received" : "";
 880           if (!!this.game.mycolor && this.game.type == "live") {
 881             GameStorage.update(
 882               this.gameRef,
 883               { rematchOffer: data.data ? V.GetOppCol(this.game.mycolor) : "" }
 884             );
 885           }
 886           break;
 887         case "newgame": {
 888           // A game started, redirect if I'm playing in
 889           const gameInfo = data.data;
 890           const gameType = this.getGameType(gameInfo);
 891           if (
 892             gameType == "live" &&
 893             gameInfo.players.some(p => p.sid == this.st.user.sid)
 894           ) {
 895             this.addAndGotoLiveGame(gameInfo);
 896           } else if (
 897             gameType == "corr" &&
 898             this.st.user.id > 0 &&
 899             gameInfo.players.some(p => p.id == this.st.user.id)
 900           ) {
 901             this.$router.push("/game/" + gameInfo.id);
 902           } else {
 903             this.rematchId = gameInfo.id;
 904             document.getElementById("modalRules").checked = false;
 905             document.getElementById("modalScore").checked = false;
 906             document.getElementById("modalRematch").checked = true;
 907           }
 908           break;
 909         }
 910         case "newchat": {
 911           let chat = data.data;
 912           this.$refs["chatcomp"].newChat(chat);
 913           if (this.game.type == "live") {
 914             chat.added = Date.now();
 915             if (!!this.game.mycolor)
 916               GameStorage.update(this.gameRef, { chat: chat });
 917           }
 918           if (!document.getElementById("modalChat").checked)
 919             document.getElementById("chatBtn").classList.add("somethingnew");
 920           break;
 921         }
 922       }
 923     },
 924     updateCorrGame: function(obj, callback) {
 925       ajax(
 926         "/games",
 927         "PUT",
 928         {
 929           data: {
 930             gid: this.gameRef,
 931             newObj: obj
 932           },
 933           success: () => {
 934             if (!!callback) callback();
 935           }
 936         }
 937       );
 938     },
 939     sendLastate: function(target) {
 940       // Send our "last state" informations to opponent
 941       const L = this.game.moves.length;
 942       const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 943       const myLastate = {
 944         lastMove:
 945           (L > 0 && this.vr.turn != this.game.mycolor)
 946             ? this.game.moves[L - 1]
 947             : undefined,
 948         clock: this.game.clocks[myIdx],
 949         // Since we played a move (or abort or resign),
 950         // only drawOffer=="sent" is possible
 951         drawSent: this.drawOffer == "sent" ? true : undefined,
 952         rematchSent: this.rematchOffer == "sent" ? true : undefined,
 953         score: this.game.score != "*" ? this.game.score : undefined,
 954         scoreMsg: this.game.score != "*" ? this.game.scoreMsg : undefined,
 955         movesCount: L
 956       };
 957       this.send("lastate", { data: myLastate, target: target });
 958     },
 959     // lastate was received, but maybe game wasn't ready yet:
 960     processLastate: function() {
 961       const data = this.lastate;
 962       this.lastate = undefined; //security...
 963       if (!!data.score) {
 964         const oppCol = V.GetOppCol(this.game.mycolor);
 965         if (!!data.rematchSent) {
 966           if (this.game.rematchOffer != oppCol) {
 967             // Opponent sended rematch offer while we were offline:
 968             this.rematchOffer = "received";
 969             GameStorage.update(
 970               this.gameRef,
 971               { rematchOffer: oppCol }
 972             );
 973           }
 974         }
 975         else {
 976           if (this.game.rematchOffer == oppCol) {
 977             // Opponent cancelled rematch offer while we were offline:
 978             this.rematchOffer = "";
 979             GameStorage.update(
 980               this.gameRef,
 981               { rematchOffer: "" }
 982             );
 983           }
 984         }
 985       }
 986       else {
 987         const L = this.game.moves.length;
 988         const oppIdx = 1 - ["w", "b"].indexOf(this.game.mycolor);
 989         this.game.clocks[oppIdx] = data.clock;
 990         if (data.movesCount > L) {
 991           // Just got last move from him
 992           this.$refs["basegame"].play(data.lastMove, "received");
 993           this.processMove(data.lastMove);
 994         } else {
 995           if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 996           this.re_setClocks();
 997         }
 998         if (!!data.drawSent) this.drawOffer = "received";
 999         if (!!data.score) {
1000           this.drawOffer = "";
1001           if (this.game.score == "*")
1002             this.gameOver(data.score, data.scoreMsg);
1003         }
1004       }
1005     },
1006     clickDraw: function() {
1007       if (!this.game.mycolor || this.game.type == "import") return;
1008       if (["received", "threerep"].includes(this.drawOffer)) {
1009         if (!confirm(this.st.tr["Accept draw?"])) return;
1010         const message =
1011           this.drawOffer == "received"
1012             ? "Mutual agreement"
1013             : "Three repetitions";
1014         this.send("draw", { data: message });
1015         this.gameOver("1/2", message);
1016       } else if (this.drawOffer == "") {
1017         // No effect if drawOffer == "sent"
1018         if (this.game.mycolor != this.vr.turn) {
1019           alert(this.st.tr["Draw offer only in your turn"]);
1020           return;
1021         }
1022         if (!confirm(this.st.tr["Offer draw?"])) return;
1023         this.drawOffer = "sent";
1024         this.send("drawoffer");
1025         if (this.game.type == "live") {
1026           GameStorage.update(
1027             this.gameRef,
1028             { drawOffer: this.game.mycolor }
1029           );
1030         } else this.updateCorrGame({ drawOffer: this.game.mycolor });
1031       }
1032     },
1033     addAndGotoLiveGame: function(gameInfo, callback) {
1034       const game = Object.assign(
1035         {},
1036         gameInfo,
1037         {
1038           // (other) Game infos: constant
1039           fenStart: gameInfo.fen,
1040           vname: this.game.vname,
1041           created: Date.now(),
1042           // Game state (including FEN): will be updated
1043           moves: [],
1044           clocks: [-1, -1], //-1 = unstarted
1045           score: "*"
1046         }
1047       );
1048       GameStorage.add(game, (err) => {
1049         // No error expected.
1050         if (!err) {
1051           if (this.st.settings.sound)
1052             new Audio("/sounds/newgame.flac").play().catch(() => {});
1053           if (!!callback) callback();
1054           this.$router.push("/game/" + gameInfo.id);
1055         }
1056       });
1057     },
1058     clickRematch: function() {
1059       if (!this.game.mycolor || this.game.type == "import") return;
1060       if (this.rematchOffer == "received") {
1061         // Start a new game!
1062         let gameInfo = {
1063           id: getRandString(), //ignored if corr
1064           fen: V.GenRandInitFen(this.game.randomness),
1065           players: [this.game.players[1], this.game.players[0]],
1066           vid: this.game.vid,
1067           cadence: this.game.cadence
1068         };
1069         const notifyNewGame = () => {
1070           const oppsid = this.getOppsid(); //may be null
1071           this.send("rnewgame", { data: gameInfo, oppsid: oppsid });
1072           // To main Hall if corr game:
1073           if (this.game.type == "corr")
1074             this.send("newgame", { data: gameInfo, page: "/" });
1075           // Also to MyGames page:
1076           this.notifyMyGames("newgame", gameInfo);
1077         };
1078         if (this.game.type == "live")
1079           this.addAndGotoLiveGame(gameInfo, notifyNewGame);
1080         else {
1081           // corr game
1082           ajax(
1083             "/games",
1084             "POST",
1085             {
1086               // cid is useful to delete the challenge:
1087               data: { gameInfo: gameInfo },
1088               success: (response) => {
1089                 gameInfo.id = response.gameId;
1090                 notifyNewGame();
1091                 this.$router.push("/game/" + response.gameId);
1092               }
1093             }
1094           );
1095         }
1096       } else if (this.rematchOffer == "") {
1097         this.rematchOffer = "sent";
1098         this.send("rematchoffer", { data: true });
1099         if (this.game.type == "live") {
1100           GameStorage.update(
1101             this.gameRef,
1102             { rematchOffer: this.game.mycolor }
1103           );
1104         } else this.updateCorrGame({ rematchOffer: this.game.mycolor });
1105       } else if (this.rematchOffer == "sent") {
1106         // Toggle rematch offer (on --> off)
1107         this.rematchOffer = "";
1108         this.send("rematchoffer", { data: false });
1109         if (this.game.type == "live") {
1110           GameStorage.update(
1111             this.gameRef,
1112             { rematchOffer: '' }
1113           );
1114         } else this.updateCorrGame({ rematchOffer: 'n' });
1115       }
1116     },
1117     abortGame: function() {
1118       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"]))
1119         return;
1120       this.gameOver("?", "Stop");
1121       this.send("abort");
1122     },
1123     resign: function() {
1124       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
1125         return;
1126       this.send("resign", { data: this.game.mycolor });
1127       const score = (this.game.mycolor == "w" ? "0-1" : "1-0");
1128       const side = (this.game.mycolor == "w" ? "White" : "Black");
1129       this.gameOver(score, side + " surrender");
1130     },
1131     loadGame: function(game, callback) {
1132       const gtype = game.type || this.getGameType(game);
1133       const tc = extractTime(game.cadence);
1134       const myIdx = game.players.findIndex(p => {
1135         return (
1136           p.sid == this.st.user.sid ||
1137           (!!p.name && p.id == this.st.user.id)
1138         );
1139       });
1140       // Sometimes the name isn't stored yet (TODO: why?)
1141       if (
1142         myIdx >= 0 &&
1143         gtype == "live" &&
1144         !game.players[myIdx].name &&
1145         !!this.st.user.name
1146       ) {
1147         game.players[myIdx].name = this.st.user.name;
1148         GameStorage.update(
1149           game.id,
1150           { playerName: { idx: myIdx, name: this.st.user.name } }
1151         );
1152       }
1153       // "mycolor" is undefined for observers
1154       const mycolor = [undefined, "w", "b"][myIdx + 1];
1155       if (gtype == "corr") {
1156         if (mycolor == 'w') game.chatRead = game.chatReadWhite;
1157         else if (mycolor == 'b') game.chatRead = game.chatReadBlack;
1158         // NOTE: clocks in seconds
1159         game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
1160         game.clocks = [tc.mainTime, tc.mainTime];
1161         const L = game.moves.length;
1162         if (game.score == "*") {
1163           // Adjust clocks
1164           if (L >= 2) {
1165             game.clocks[L % 2] -=
1166               (Date.now() - game.moves[L-1].played) / 1000;
1167           }
1168         }
1169         // Now that we used idx and played, re-format moves as for live games
1170         game.moves = game.moves.map(m => m.squares);
1171       }
1172       else if (gtype == "live") {
1173         if (game.clocks[0] < 0) {
1174           // Game is unstarted. clock is ignored until move 2
1175           game.clocks = [tc.mainTime, tc.mainTime];
1176           if (myIdx >= 0) {
1177             // I play in this live game
1178             GameStorage.update(
1179               game.id,
1180               { clocks: game.clocks }
1181             );
1182           }
1183         } else {
1184           if (!!game.initime)
1185             // It's my turn: clocks not updated yet
1186             game.clocks[myIdx] -= (Date.now() - game.initime) / 1000;
1187         }
1188       }
1189       else
1190         // gtype == "import"
1191         game.clocks = [tc.mainTime, tc.mainTime];
1192       // Live games before 26/03/2020 don't have chat history:
1193       if (!game.chats) game.chats = []; //TODO: remove line
1194       // Sort chat messages from newest to oldest
1195       game.chats.sort((c1, c2) => c2.added - c1.added);
1196       if (
1197         myIdx >= 0 &&
1198         game.chats.length > 0 &&
1199         (!game.chatRead || game.chatRead < game.chats[0].added)
1200       ) {
1201         // A chat message arrived since my last reading:
1202         document.getElementById("chatBtn").classList.add("somethingnew");
1203       }
1204       // TODO: merge next 2 "if" conditions
1205       if (!!game.drawOffer) {
1206         if (game.drawOffer == "t")
1207           // Three repetitions
1208           this.drawOffer = "threerep";
1209         else {
1210           // Draw offered by any of the players:
1211           if (myIdx < 0) this.drawOffer = "received";
1212           else {
1213             // I play in this game:
1214             if (
1215               (game.drawOffer == "w" && myIdx == 0) ||
1216               (game.drawOffer == "b" && myIdx == 1)
1217             )
1218               this.drawOffer = "sent";
1219             else this.drawOffer = "received";
1220           }
1221         }
1222       }
1223       if (!!game.rematchOffer) {
1224         if (myIdx < 0) this.rematchOffer = "received";
1225         else {
1226           // I play in this game:
1227           if (
1228             (game.rematchOffer == "w" && myIdx == 0) ||
1229             (game.rematchOffer == "b" && myIdx == 1)
1230           ) {
1231             this.rematchOffer = "sent";
1232           }
1233           else this.rematchOffer = "received";
1234         }
1235       }
1236       this.repeat = {}; //reset: scan past moves' FEN:
1237       let repIdx = 0;
1238       this.vr = new V(game.fenStart);
1239       let curTurn = "n";
1240       game.moves.forEach(m => {
1241         playMove(m, this.vr);
1242         const fenIdx = this.vr.getFenForRepeat();
1243         this.repeat[fenIdx] = this.repeat[fenIdx]
1244           ? this.repeat[fenIdx] + 1
1245           : 1;
1246       });
1247       // Imported games don't have current FEN
1248       if (!game.fen) game.fen = this.vr.getFen();
1249       if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
1250       this.game = Object.assign(
1251         // NOTE: assign mycolor here, since BaseGame could also be VS computer
1252         {
1253           type: gtype,
1254           increment: tc.increment,
1255           mycolor: mycolor,
1256           // opponent sid not strictly required (or available), but easier
1257           // at least oppsid or oppid is available anyway:
1258           oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
1259           oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].id
1260         },
1261         game
1262       );
1263       this.$refs["basegame"].re_setVariables(this.game);
1264       if (!this.gameIsLoading) {
1265         // Initial loading:
1266         this.gotMoveIdx = game.moves.length - 1;
1267         // If we arrive here after 'nextGame' action, the board might be hidden
1268         let boardDiv = document.querySelector(".game");
1269         if (!!boardDiv && boardDiv.style.visibility == "hidden")
1270           boardDiv.style.visibility = "visible";
1271       }
1272       this.re_setClocks();
1273       this.$nextTick(() => {
1274         this.game.rendered = true;
1275         // Did lastate arrive before game was rendered?
1276         if (!!this.lastate) this.processLastate();
1277       });
1278       if (this.lastateAsked) {
1279         this.lastateAsked = false;
1280         this.sendLastate(game.oppsid);
1281       }
1282       if (this.gameIsLoading) {
1283         this.gameIsLoading = false;
1284         if (this.gotMoveIdx >= game.moves.length)
1285           // Some moves arrived meanwhile...
1286           this.askGameAgain();
1287       }
1288       if (!!callback) callback();
1289     },
1290     loadVariantThenGame: async function(game, callback) {
1291       await import("@/variants/" + game.vname + ".js")
1292       .then((vModule) => {
1293         window.V = vModule[game.vname + "Rules"];
1294         this.loadGame(game, callback);
1295       });
1296       // (AJAX) Request to get rules content (plain text, HTML)
1297       this.rulesContent =
1298         require(
1299           "raw-loader!@/translations/rules/" +
1300           game.vname + "/" +
1301           this.st.lang + ".pug"
1302         )
1303         // Next two lines fix a weird issue after last update (2019-11)
1304         .replace(/\\n/g, " ")
1305         .replace(/\\"/g, '"')
1306         .replace('module.exports = "', "")
1307         .replace(/"$/, "")
1308         .replace(/(fen:)([^:]*):/g, replaceByDiag);
1309     },
1310     // 3 cases for loading a game:
1311     //  - from indexedDB (running or completed live game I play)
1312     //  - from server (one correspondance game I play[ed] or not)
1313     //  - from remote peer (one live game I don't play, finished or not)
1314     fetchGame: function(callback) {
1315       if (Number.isInteger(this.gameRef) || !isNaN(parseInt(this.gameRef))) {
1316         // corr games identifiers are integers
1317         ajax(
1318           "/games",
1319           "GET",
1320           {
1321             data: { gid: this.gameRef },
1322             success: (res) => {
1323               res.game.moves.forEach(m => {
1324                 m.squares = JSON.parse(m.squares);
1325               });
1326               callback(res.game);
1327             }
1328           }
1329         );
1330       }
1331       else if (!!this.gameRef.match(/^i/))
1332         // Game import (maybe remote)
1333         ImportgameStorage.get(this.gameRef, callback);
1334       else
1335         // Local live game (or remote)
1336         GameStorage.get(this.gameRef, callback);
1337     },
1338     re_setClocks: function() {
1339       this.virtualClocks = this.game.clocks.map(s => ppt(s).split(':'));
1340       if (this.game.moves.length < 2 || this.game.score != "*") {
1341         // 1st move not completed yet, or game over: freeze time
1342         return;
1343       }
1344       const currentTurn = this.vr.turn;
1345       const currentMovesCount = this.game.moves.length;
1346       const colorIdx = ["w", "b"].indexOf(currentTurn);
1347       this.clockUpdate = setInterval(
1348         () => {
1349           if (
1350             this.game.clocks[colorIdx] < 0 ||
1351             this.game.moves.length > currentMovesCount ||
1352             this.game.score != "*"
1353           ) {
1354             clearInterval(this.clockUpdate);
1355             this.clockUpdate = null;
1356             if (this.game.clocks[colorIdx] < 0)
1357               this.gameOver(
1358                 currentTurn == "w" ? "0-1" : "1-0",
1359                 "Time"
1360               );
1361           } else {
1362             this.$set(
1363               this.virtualClocks,
1364               colorIdx,
1365               ppt(Math.max(0, --this.game.clocks[colorIdx])).split(':')
1366             );
1367           }
1368         },
1369         1000
1370       );
1371     },
1372     // Update variables and storage after a move:
1373     processMove: function(move, data) {
1374       if (this.game.type == "import")
1375         // Shouldn't receive any messages in this mode:
1376         return;
1377       if (!data) data = {};
1378       const moveCol = this.vr.turn;
1379       const colorIdx = ["w", "b"].indexOf(moveCol);
1380       const nextIdx = 1 - colorIdx;
1381       const doProcessMove = () => {
1382         const origMovescount = this.game.moves.length;
1383         // The move is (about to be) played: stop clock
1384         clearInterval(this.clockUpdate);
1385         this.clockUpdate = null;
1386         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1387           if (this.drawOffer == "received")
1388             // I refuse draw
1389             this.drawOffer = "";
1390           if (this.game.type == "live" && origMovescount >= 2) {
1391             this.game.clocks[colorIdx] += this.game.increment;
1392             // For a correct display in casqe of disconnected opponent:
1393             this.$set(
1394               this.virtualClocks,
1395               colorIdx,
1396               ppt(this.game.clocks[colorIdx]).split(':')
1397             );
1398             GameStorage.update(this.gameRef, {
1399               // It's not my turn anymore:
1400               initime: null
1401             });
1402           }
1403         }
1404         // Update current game object:
1405         playMove(move, this.vr);
1406         if (!data.score)
1407           // Received move, score is computed in BaseGame, but maybe not yet.
1408           // ==> Compute it here, although this is redundant (TODO)
1409           data.score = this.vr.getCurrentScore();
1410         if (data.score != "*") this.gameOver(data.score);
1411         this.game.moves.push(move);
1412         this.game.fen = this.vr.getFen();
1413         if (this.game.type == "corr") {
1414           // In corr games, just reset clock to mainTime:
1415           this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
1416         }
1417         // If repetition detected, consider that a draw offer was received:
1418         const fenObj = this.vr.getFenForRepeat();
1419         this.repeat[fenObj] =
1420           !!this.repeat[fenObj]
1421             ? this.repeat[fenObj] + 1
1422             : 1;
1423         if (this.repeat[fenObj] >= 3) this.drawOffer = "threerep";
1424         else if (this.drawOffer == "threerep") this.drawOffer = "";
1425         if (!!this.game.mycolor && !data.receiveMyMove) {
1426           // NOTE: 'var' to see that variable outside this block
1427           var filtered_move = getFilteredMove(move);
1428         }
1429         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1430           // Notify turn on MyGames page:
1431           this.notifyMyGames(
1432             "turn",
1433             {
1434               gid: this.gameRef,
1435               turn: this.vr.turn
1436             }
1437           );
1438         }
1439         // Since corr games are stored at only one location, update should be
1440         // done only by one player for each move:
1441         if (
1442           this.game.type == "live" &&
1443           !!this.game.mycolor &&
1444           moveCol != this.game.mycolor &&
1445           this.game.moves.length >= 2
1446         ) {
1447           // Receive a move: update initime
1448           this.game.initime = Date.now();
1449           GameStorage.update(this.gameRef, {
1450             // It's my turn now!
1451             initime: this.game.initime
1452           });
1453         }
1454         if (
1455           !!this.game.mycolor &&
1456           !data.receiveMyMove &&
1457           (this.game.type == "live" || moveCol == this.game.mycolor)
1458         ) {
1459           let drawCode = "";
1460           switch (this.drawOffer) {
1461             case "threerep":
1462               drawCode = "t";
1463               break;
1464             case "sent":
1465               drawCode = this.game.mycolor;
1466               break;
1467             case "received":
1468               drawCode = V.GetOppCol(this.game.mycolor);
1469               break;
1470           }
1471           if (this.game.type == "corr") {
1472             // corr: only move, fen and score
1473             this.updateCorrGame({
1474               fen: this.game.fen,
1475               move: {
1476                 squares: filtered_move,
1477                 idx: origMovescount
1478               },
1479               // Code "n" for "None" to force reset (otherwise it's ignored)
1480               drawOffer: drawCode || "n"
1481             });
1482           }
1483           else {
1484             const updateStorage = () => {
1485               GameStorage.update(this.gameRef, {
1486                 fen: this.game.fen,
1487                 move: filtered_move,
1488                 moveIdx: origMovescount,
1489                 clocks: this.game.clocks,
1490                 drawOffer: drawCode
1491               });
1492             };
1493             // The active tab can update storage immediately
1494             if (this.focus) updateStorage();
1495             // Small random delay otherwise
1496             else setTimeout(updateStorage, 500 + 1000 * Math.random());
1497           }
1498         }
1499         // Send move ("newmove" event) to people in the room (if our turn)
1500         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1501           let sendMove = {
1502             move: filtered_move,
1503             index: origMovescount,
1504             // color is required to check if this is my move
1505             // (if several tabs opened)
1506             color: moveCol,
1507             cancelDrawOffer: this.drawOffer == ""
1508           };
1509           if (this.game.type == "live")
1510             sendMove["clock"] = this.game.clocks[colorIdx];
1511           // (Live) Clocks will re-start when the opponent pingback arrive
1512           this.opponentGotMove = false;
1513           this.send("newmove", {data: sendMove});
1514           // If the opponent doesn't reply gotmove soon enough, re-send move:
1515           // Do this at most 2 times, because mpore would mean network issues,
1516           // opponent would then be expected to disconnect/reconnect.
1517           let counter = 1;
1518           const currentUrl = document.location.href;
1519           this.retrySendmove = setInterval(
1520             () => {
1521               if (
1522                 counter >= 3 ||
1523                 this.opponentGotMove ||
1524                 document.location.href != currentUrl //page change
1525               ) {
1526                 clearInterval(this.retrySendmove);
1527                 return;
1528               }
1529               const oppsid = this.getOppsid();
1530               if (!oppsid)
1531                 // Opponent is disconnected: he'll ask last state
1532                 clearInterval(this.retrySendmove);
1533               else {
1534                 this.send("newmove", { data: sendMove, target: oppsid });
1535                 counter++;
1536               }
1537             },
1538             1500
1539           );
1540         }
1541         else
1542           // Not my move or I'm an observer: just start other player's clock
1543           this.re_setClocks();
1544       };
1545       if (
1546         this.game.type == "corr" &&
1547         moveCol == this.game.mycolor &&
1548         !data.receiveMyMove
1549       ) {
1550         let boardDiv = document.querySelector(".game");
1551         const afterSetScore = () => {
1552           doProcessMove();
1553           if (this.st.settings.gotonext && this.nextIds.length > 0)
1554             this.showNextGame();
1555           else {
1556             // The board might have been hidden:
1557             if (boardDiv.style.visibility == "hidden")
1558               boardDiv.style.visibility = "visible";
1559             if (data.score == "*") this.re_setClocks();
1560           }
1561         };
1562         let el = document.querySelector("#buttonsConfirm > .acceptBtn");
1563         // We may play several moves in a row: in case of, remove listener:
1564         let elClone = el.cloneNode(true);
1565         el.parentNode.replaceChild(elClone, el);
1566         elClone.addEventListener(
1567           "click",
1568           () => {
1569             document.getElementById("modalConfirm").checked = false;
1570             if (!!data.score && data.score != "*")
1571               // Set score first
1572               this.gameOver(data.score, null, afterSetScore);
1573             else afterSetScore();
1574           }
1575         );
1576         // PlayOnBoard is enough, and more appropriate for Synchrone Chess
1577         const arMove = (Array.isArray(move) ? move : [move]);
1578         for (let i = 0; i < arMove.length; i++)
1579           V.PlayOnBoard(this.vr.board, arMove[i]);
1580         const position = this.vr.getBaseFen();
1581         for (let i = arMove.length - 1; i >= 0; i--)
1582           V.UndoOnBoard(this.vr.board, arMove[i]);
1583         if (["all","byrow"].includes(V.ShowMoves)) {
1584           this.curDiag = getDiagram({
1585             position: position,
1586             orientation: V.CanFlip ? this.game.mycolor : "w"
1587           });
1588           document.querySelector("#confirmDiv > .card").style.width =
1589             boardDiv.offsetWidth + "px";
1590         } else {
1591           // Incomplete information: just ask confirmation
1592           // Hide the board, because otherwise it could reveal infos
1593           boardDiv.style.visibility = "hidden";
1594           this.moveNotation = getFullNotation(move);
1595         }
1596         document.getElementById("modalConfirm").checked = true;
1597       }
1598       else {
1599         // Normal situation
1600         if (!!data.score && data.score != "*")
1601           this.gameOver(data.score, null, doProcessMove);
1602         else doProcessMove();
1603       }
1604     },
1605     cancelMove: function() {
1606       let boardDiv = document.querySelector(".game");
1607       if (boardDiv.style.visibility == "hidden")
1608         boardDiv.style.visibility = "visible";
1609       document.getElementById("modalConfirm").checked = false;
1610       this.$refs["basegame"].cancelLastMove();
1611     },
1612     // In corr games, callback to change page only after score is set:
1613     gameOver: function(score, scoreMsg, callback) {
1614       this.game.score = score;
1615       if (!scoreMsg) scoreMsg = getScoreMessage(score);
1616       this.game.scoreMsg = scoreMsg;
1617       document.getElementById("modalRules").checked = false;
1618       // Display result in a un-missable way:
1619       document.getElementById("modalScore").checked = true;
1620       this.$set(this.game, "scoreMsg", scoreMsg);
1621       const myIdx = this.game.players.findIndex(p => {
1622         return (
1623           p.sid == this.st.user.sid ||
1624           (!!p.name && p.id == this.st.user.id)
1625         );
1626       });
1627       if (myIdx >= 0) {
1628         // OK, I play in this game
1629         const scoreObj = {
1630           score: score,
1631           scoreMsg: scoreMsg
1632         };
1633         if (this.game.type == "live") {
1634           GameStorage.update(this.gameRef, scoreObj);
1635           // Notify myself locally if I'm elsewhere:
1636           if (!this.focus) {
1637             notify(
1638               "Game over",
1639               { body: score + " : " + scoreMsg }
1640             );
1641           }
1642           if (!!callback) callback();
1643         }
1644         else this.updateCorrGame(scoreObj, callback);
1645         // Notify the score to main Hall.
1646         // TODO: only one player (currently double send)
1647         this.send("result", { gid: this.game.id, score: score });
1648         // Also to MyGames page (TODO: doubled as well...)
1649         this.notifyMyGames(
1650           "score",
1651           {
1652             gid: this.gameRef,
1653             score: score
1654           }
1655         );
1656       }
1657       else if (!!callback) callback();
1658     }
1659   }
1660 };
1661 </script>
1662
1663 <style lang="sass" scoped>
1664 #scoreDiv > .card, #rematchDiv > .card
1665   padding: 10px 0
1666   max-width: 430px
1667
1668 #rulesDiv > .card
1669   padding: 5px 0
1670   max-width: 50%
1671   max-height: 100%
1672   @media screen and (max-width: 1500px)
1673     max-width: 67%
1674   @media screen and (max-width: 1024px)
1675     max-width: 85%
1676   @media screen and (max-width: 767px)
1677     max-width: 100%
1678
1679 p.score-section
1680   margin: 0
1681   font-size: 1.3em
1682   span.score
1683     font-weight: bold
1684
1685 .connected
1686   background-color: lightgreen
1687
1688 #participants
1689   margin-left: 5px
1690
1691 .anonymous
1692   color: grey
1693   font-style: italic
1694
1695 #playersInfo > p
1696   margin: 0
1697
1698 @media screen and (max-width: 767px)
1699   .game
1700     width: 100%
1701
1702 #actions
1703   display: inline-block
1704   margin: 0
1705
1706 button
1707   display: inline-block
1708   margin: 0
1709   display: inline-flex
1710   img
1711     height: 22px
1712     display: flex
1713     @media screen and (max-width: 767px)
1714       height: 18px
1715
1716 #aboveBoard
1717   text-align: center
1718
1719 .variant-cadence
1720   padding-right: 10px
1721
1722 .variant-name
1723   font-weight: bold
1724   padding-right: 10px
1725
1726 span#nextGame
1727   background-color: #edda99
1728   cursor: pointer
1729   display: inline-block
1730   margin-right: 10px
1731
1732 span.separator
1733   display: inline-block
1734   margin: 0
1735   padding: 0
1736   width: 10px
1737
1738 span.name
1739   font-size: 1.5rem
1740   @media screen and (max-width: 767px)
1741     font-size: 1.2rem
1742   padding: 0 3px
1743
1744 span.time
1745   font-size: 2rem
1746   @media screen and (max-width: 767px)
1747     font-size: 1.5rem
1748   display: inline-block
1749   .time-left
1750     margin-left: 10px
1751   .time-right
1752     margin-left: 5px
1753   .time-separator
1754     margin-left: 5px
1755     position: relative
1756     top: -1px
1757
1758 span.yourturn
1759   color: #831B1B
1760   .time-separator
1761     animation: blink-animation 2s steps(3, start) infinite
1762 @keyframes blink-animation
1763   to
1764     visibility: hidden
1765
1766 .split-names
1767   display: inline-block
1768   margin: 0 15px
1769
1770 #chatWrap > .card
1771   padding-top: 20px
1772   max-width: 767px
1773   border: none
1774
1775 #confirmDiv > .card
1776   max-width: 767px
1777   max-height: 100%
1778
1779 .draw-sent, .draw-sent:hover
1780   background-color: lightyellow
1781
1782 .draw-received, .draw-received:hover
1783   background-color: #73C6B6
1784
1785 .draw-threerep, .draw-threerep:hover
1786   background-color: #D2B4DE
1787
1788 .rematch-sent, .rematch-sent:hover
1789   background-color: lightyellow
1790
1791 .rematch-received, .rematch-received:hover
1792   background-color: #48C9B0
1793
1794 .somethingnew
1795   background-color: #D2B4DE
1796
1797 .diagram
1798   margin: 0 auto
1799   width: 100%
1800
1801 #buttonsConfirm
1802   margin: 0
1803   & > button > span
1804     width: 100%
1805     text-align: center
1806
1807 button.acceptBtn
1808   background-color: lightgreen
1809 button.refuseBtn
1810   background-color: red
1811
1812 a#variantNameInGame
1813   color: var(--card-fore-color)
1814   text-align: center
1815   font-weight: bold
1816   font-size: calc(1rem * var(--heading-ratio))
1817   line-height: 1.2
1818   margin: calc(1.5 * var(--universal-margin))
1819 </style>
1820
1821 <style lang="sass">
1822 @import "@/styles/_rules.sass"
1823 @import "@/styles/_board_squares_img.sass"
1824 </style>