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       h4#variantNameInGame(@click="gotoRules") {{ 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     gotoRules: function() {
 314       this.$router.push("/variants/" + this.game.vname);
 315     },
 316     participateInChat: function(p) {
 317       return Object.keys(p.tmpIds).some(x => p.tmpIds[x].focus) && !!p.name;
 318     },
 319     someAnonymousPresent: function() {
 320       return (
 321         Object.values(this.people).some(p =>
 322           !p.name && Object.keys(p.tmpIds).some(x => p.tmpIds[x].focus)
 323         )
 324       );
 325     },
 326     atCreation: function() {
 327       document.addEventListener('visibilitychange', this.visibilityChange);
 328       window.addEventListener('focus', this.onFocus);
 329       window.addEventListener('blur', this.onBlur);
 330       // 0] (Re)Set variables
 331       this.gameRef = this.$route.params["id"];
 332       // next = next corr games IDs to navigate faster (if applicable)
 333       this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 334       // Always add myself to players' list
 335       const my = this.st.user;
 336       const tmpId = getRandString();
 337       this.$set(
 338         this.people,
 339         my.sid,
 340         {
 341           id: my.id,
 342           name: my.name,
 343           tmpIds: {
 344             tmpId: { focus: true }
 345           }
 346         }
 347       );
 348       this.game = {
 349         players: [{ name: "" }, { name: "" }],
 350         chats: [],
 351         rendered: false
 352       };
 353       let chatComp = this.$refs["chatcomp"];
 354       if (!!chatComp) chatComp.chats = [];
 355       this.virtualClocks = [[0,0], [0,0]];
 356       this.vr = null;
 357       this.rulesContent = "";
 358       this.drawOffer = "";
 359       this.lastateAsked = false;
 360       this.rematchOffer = "";
 361       this.lastate = undefined;
 362       this.roomInitialized = false;
 363       this.askGameTime = 0;
 364       this.gameIsLoading = false;
 365       this.gotLastate = false;
 366       this.gotMoveIdx = -1;
 367       this.opponentGotMove = false;
 368       this.askLastate = null;
 369       this.retrySendmove = null;
 370       this.clockUpdate = null;
 371       this.newConnect = {};
 372       // 1] Initialize connection
 373       this.connexionString =
 374         params.socketUrl +
 375         "/?sid=" + this.st.user.sid +
 376         "&id=" + this.st.user.id +
 377         "&tmpId=" + tmpId +
 378         "&page=" +
 379         // Discard potential "/?next=[...]" for page indication:
 380         encodeURIComponent(this.$route.path.match(/\/game\/[a-zA-Z0-9]+/)[0]);
 381       this.conn = new WebSocket(this.connexionString);
 382       this.conn.addEventListener("message", this.socketMessageListener);
 383       this.socketCloseListener = setInterval(
 384         () => {
 385           if (this.conn.readyState == 3) {
 386             this.conn.removeEventListener(
 387               "message", this.socketMessageListener);
 388             this.conn = new WebSocket(this.connexionString);
 389             this.conn.addEventListener("message", this.socketMessageListener);
 390           }
 391         },
 392         1000
 393       );
 394       // Socket init required before loading remote game:
 395       const socketInit = callback => {
 396         if (this.conn.readyState == 1)
 397           // 1 == OPEN state
 398           callback();
 399         else
 400           // Socket not ready yet (initial loading)
 401           // NOTE: first arg is Websocket object, unused here:
 402           this.conn.onopen = () => callback();
 403       };
 404       this.fetchGame((game) => {
 405         if (!!game)
 406           this.loadVariantThenGame(game, () => socketInit(this.roomInit));
 407         else
 408           // Live game stored remotely: need socket to retrieve it
 409           // NOTE: the callback "roomInit" will be lost, so it's not provided.
 410           // --> It will be given when receiving "fullgame" socket event.
 411           socketInit(() => { this.send("askfullgame"); });
 412       });
 413     },
 414     roomInit: function() {
 415       if (!this.roomInitialized) {
 416         // Notify the room only now that I connected, because
 417         // messages might be lost otherwise (if game loading is slow)
 418         this.send("connect");
 419         this.send("pollclients");
 420         // We may ask fullgame several times if some moves are lost,
 421         // but room should be init only once:
 422         this.roomInitialized = true;
 423       }
 424     },
 425     send: function(code, obj) {
 426       if (!!this.conn && this.conn.readyState == 1)
 427         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 428     },
 429     isConnected: function(index) {
 430       const player = this.game.players[index];
 431       // Is it me ? In this case no need to bother with focus
 432       if (this.st.user.sid == player.sid || this.st.user.id == player.id)
 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       // Try to find a match in people:
 437       return (
 438         (
 439           !!player.sid &&
 440           Object.keys(this.people).some(sid => {
 441             return (
 442               sid == player.sid &&
 443               Object.values(this.people[sid].tmpIds).some(v => v.focus)
 444             );
 445           })
 446         )
 447         ||
 448         (
 449           !!player.id &&
 450           Object.values(this.people).some(p => {
 451             return (
 452               p.id == player.id &&
 453               Object.values(p.tmpIds).some(v => v.focus)
 454             );
 455           })
 456         )
 457       );
 458     },
 459     getOppsid: function() {
 460       let oppsid = this.game.oppsid;
 461       if (!oppsid) {
 462         oppsid = Object.keys(this.people).find(
 463           sid => this.people[sid].id == this.game.oppid
 464         );
 465       }
 466       // oppsid is useful only if opponent is online:
 467       if (!!oppsid && !!this.people[oppsid]) return oppsid;
 468       return null;
 469     },
 470     // NOTE: action if provided is always a closing action
 471     toggleChat: function(action) {
 472       if (!action && document.getElementById("modalChat").checked)
 473         // Entering chat
 474         document.getElementById("inputChat").focus();
 475       else {
 476         document.getElementById("chatBtn").classList.remove("somethingnew");
 477         if (!!this.game.mycolor) {
 478           // Update "chatRead" variable either on server or locally
 479           if (this.game.type == "corr")
 480             this.updateCorrGame({ chatRead: this.game.mycolor });
 481           else if (this.game.type == "live")
 482             GameStorage.update(this.gameRef, { chatRead: true });
 483         }
 484       }
 485     },
 486     processChat: function(chat) {
 487       this.send("newchat", { data: chat });
 488       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 489       if (!!this.game.mycolor) {
 490         if (this.game.type == "corr")
 491           this.updateCorrGame({ chat: chat });
 492         else {
 493           // Live game
 494           chat.added = Date.now();
 495           GameStorage.update(this.gameRef, { chat: chat });
 496         }
 497       }
 498     },
 499     clearChat: function() {
 500       if (!!this.game.mycolor) {
 501         if (this.game.type == "corr") {
 502           ajax(
 503             "/chats",
 504             "DELETE",
 505             { data: { gid: this.game.id } }
 506           );
 507         } else {
 508           // Live game
 509           GameStorage.update(this.gameRef, { delchat: true });
 510         }
 511         this.$set(this.game, "chats", []);
 512       }
 513     },
 514     getGameType: function(game) {
 515       if (!!game.id.toString().match(/^i/)) return "import";
 516       return game.cadence.indexOf("d") >= 0 ? "corr" : "live";
 517     },
 518     // Notify something after a new move (to opponent and me on MyGames page)
 519     notifyMyGames: function(thing, data) {
 520       this.send(
 521         "notify" + thing,
 522         {
 523           data: data,
 524           targets: this.game.players.map(p => {
 525             return { sid: p.sid, id: p.id };
 526           })
 527         }
 528       );
 529     },
 530     showNextGame: function() {
 531       // Did I play in current game? If not, add it to nextIds list
 532       if (this.game.score == "*" && this.vr.turn == this.game.mycolor)
 533         this.nextIds.unshift(this.game.id);
 534       const nextGid = this.nextIds.pop();
 535       this.$router.push(
 536         "/game/" + nextGid + "/?next=" + JSON.stringify(this.nextIds));
 537     },
 538     askGameAgain: function() {
 539       this.gameIsLoading = true;
 540       const currentUrl = document.location.href;
 541       const doAskGame = () => {
 542         if (document.location.href != currentUrl) return; //page change
 543         this.fetchGame((game) => {
 544           if (!!game)
 545             // This is my game: just reload.
 546             this.loadGame(game);
 547           else
 548             // Just ask fullgame again (once!), this is much simpler.
 549             // If this fails, the user could just reload page :/
 550             this.send("askfullgame");
 551         });
 552       };
 553       // Delay of at least 2s between two game requests
 554       const now = Date.now();
 555       const delay = Math.max(2000 - (now - this.askGameTime), 0);
 556       this.askGameTime = now;
 557       setTimeout(doAskGame, delay);
 558     },
 559     socketMessageListener: function(msg) {
 560       if (!this.conn) return;
 561       const data = JSON.parse(msg.data);
 562       switch (data.code) {
 563         case "pollclients":
 564           // TODO: shuffling and random filtering on server,
 565           // if the room is really crowded.
 566           Object.keys(data.sockIds).forEach(sid => {
 567             if (sid != this.st.user.sid) {
 568               this.send("askidentity", { target: sid });
 569               this.people[sid] = { tmpIds: data.sockIds[sid] };
 570             }
 571             else {
 572               // Complete my tmpIds:
 573               Object.assign(this.people[sid].tmpIds, data.sockIds[sid]);
 574             }
 575           });
 576           break;
 577         case "connect":
 578           if (!this.people[data.from[0]]) {
 579             // focus depends on the tmpId (e.g. tab)
 580             this.$set(
 581               this.people,
 582               data.from[0],
 583               {
 584                 tmpIds: {
 585                   [data.from[1]]: { focus: true }
 586                 }
 587               }
 588             );
 589             // For self multi-connects tests:
 590             this.newConnect[data.from[0]] = true;
 591             this.send("askidentity", { target: data.from[0] });
 592           } else {
 593             this.people[data.from[0]].tmpIds[data.from[1]] = { focus: true };
 594             this.$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                 } else {
 689                   clearInterval(this.askLastate);
 690                 }
 691               },
 692               1500
 693             );
 694           }
 695           break;
 696         }
 697         case "askgame":
 698           // Send current (live or import) game,
 699           // if not asked by any of the players
 700           if (
 701             this.game.type != "corr" &&
 702             this.game.players.every(p => p.sid != data.from[0])
 703           ) {
 704             const myGame = {
 705               id: this.game.id,
 706               // FEN is current position, unused for now
 707               fen: this.game.fen,
 708               players: this.game.players,
 709               vid: this.game.vid,
 710               cadence: this.game.cadence,
 711               score: this.game.score
 712             };
 713             this.send("game", { data: myGame, target: data.from });
 714           }
 715           break;
 716         case "askfullgame":
 717           const gameToSend = Object.keys(this.game)
 718             .filter(k =>
 719               [
 720                 "id","fen","players","vid","cadence","fenStart","vname",
 721                 "moves","clocks","score","drawOffer","rematchOffer"
 722               ].includes(k))
 723             .reduce(
 724               (obj, k) => {
 725                 obj[k] = this.game[k];
 726                 return obj;
 727               },
 728               {}
 729             );
 730           this.send("fullgame", { data: gameToSend, target: data.from });
 731           break;
 732         case "fullgame":
 733           if (!!data.data.empty) {
 734             alert(this.st.tr["The game should be in another tab"]);
 735             this.$router.go(-1);
 736           }
 737           else
 738             // Callback "roomInit" to poll clients only after game is loaded
 739             this.loadVariantThenGame(data.data, this.roomInit);
 740           break;
 741         case "asklastate":
 742           // Sending informative last state if I played a move or score != "*"
 743           // If the game or moves aren't loaded yet, delay the sending:
 744           // TODO: socket init after game load, so the game is supposedly ready
 745           if (!this.game || !this.game.moves) this.lastateAsked = true;
 746           else this.sendLastate(data.from);
 747           break;
 748         case "lastate": {
 749           // Got opponent infos about last move
 750           this.gotLastate = true;
 751           this.lastate = data.data;
 752           if (this.game.rendered)
 753             // Game is rendered (Board component)
 754             this.processLastate();
 755           // Else: will be processed when game is ready
 756           break;
 757         }
 758         case "newmove": {
 759           const movePlus = data.data;
 760           const movesCount = this.game.moves.length;
 761           if (movePlus.index > movesCount) {
 762             // This can only happen if I'm an observer and missed a move.
 763             if (this.gotMoveIdx < movePlus.index)
 764               this.gotMoveIdx = movePlus.index;
 765             if (!this.gameIsLoading) this.askGameAgain();
 766           }
 767           else {
 768             if (
 769               movePlus.index < movesCount ||
 770               this.gotMoveIdx >= movePlus.index
 771             ) {
 772               // Opponent re-send but we already have the move:
 773               // (maybe he didn't receive our pingback...)
 774               this.send("gotmove", {data: movePlus.index, target: data.from});
 775             } else {
 776               this.gotMoveIdx = movePlus.index;
 777               const receiveMyMove = (movePlus.color == this.game.mycolor);
 778               const moveColIdx = ["w", "b"].indexOf(movePlus.color);
 779               if (!receiveMyMove && !!this.game.mycolor) {
 780                 // Notify opponent that I got the move:
 781                 this.send(
 782                   "gotmove",
 783                   { data: movePlus.index, target: data.from }
 784                 );
 785                 // And myself if I'm elsewhere:
 786                 if (!this.focus) {
 787                   notify(
 788                     "New move",
 789                     {
 790                       body:
 791                         (this.game.players[moveColIdx].name || "@nonymous") +
 792                         " just played."
 793                     }
 794                   );
 795                 }
 796               }
 797               if (movePlus.cancelDrawOffer) {
 798                 // Opponent refuses draw
 799                 this.drawOffer = "";
 800                 // NOTE for corr games: drawOffer reset by player in turn
 801                 if (
 802                   this.game.type == "live" &&
 803                   !!this.game.mycolor &&
 804                   !receiveMyMove
 805                 ) {
 806                   GameStorage.update(this.gameRef, { drawOffer: "" });
 807                 }
 808               }
 809               this.$refs["basegame"].play(movePlus.move, "received");
 810               // Freeze time while the move is being play
 811               // (TODO: a callback would be cleaner here)
 812               clearInterval(this.clockUpdate);
 813               this.clockUpdate = null;
 814               const freezeDuration = ["all", "highlight"].includes(V.ShowMoves)
 815                 // 250 = length of animation, 500 = delay between sub-moves
 816                 ? 250 + 750 *
 817                   (Array.isArray(movePlus.move) ? movePlus.move.length - 1 : 0)
 818                 // Incomplete information: no move animation
 819                 : 0;
 820               setTimeout(
 821                 () => {
 822                   this.game.clocks[moveColIdx] = movePlus.clock;
 823                   this.processMove(
 824                     movePlus.move,
 825                     { receiveMyMove: receiveMyMove }
 826                   );
 827                 },
 828                 freezeDuration
 829               );
 830             }
 831           }
 832           break;
 833         }
 834         case "gotmove": {
 835           this.opponentGotMove = true;
 836           // Now his clock starts running on my side:
 837           const oppIdx = ['w','b'].indexOf(this.vr.turn);
 838           // NOTE: next line to avoid multi-resetClocks when several tabs
 839           // on same game, resulting in a faster countdown.
 840           if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 841           this.re_setClocks();
 842           break;
 843         }
 844         case "resign":
 845           const score = (data.data == "b" ? "1-0" : "0-1");
 846           const side = (data.data == "w" ? "White" : "Black");
 847           this.gameOver(score, side + " surrender");
 848           break;
 849         case "abort":
 850           this.gameOver("?", "Stop");
 851           break;
 852         case "draw":
 853           this.gameOver("1/2", data.data);
 854           break;
 855         case "drawoffer":
 856           // NOTE: observers don't know who offered draw
 857           this.drawOffer = "received";
 858           if (!!this.game.mycolor && this.game.type == "live") {
 859             GameStorage.update(
 860               this.gameRef,
 861               { drawOffer: V.GetOppCol(this.game.mycolor) }
 862             );
 863           }
 864           break;
 865         case "rematchoffer":
 866           // NOTE: observers don't know who offered rematch
 867           this.rematchOffer = data.data ? "received" : "";
 868           if (!!this.game.mycolor && this.game.type == "live") {
 869             GameStorage.update(
 870               this.gameRef,
 871               { rematchOffer: data.data ? V.GetOppCol(this.game.mycolor) : "" }
 872             );
 873           }
 874           break;
 875         case "newgame": {
 876           // A game started, redirect if I'm playing in
 877           const gameInfo = data.data;
 878           const gameType = this.getGameType(gameInfo);
 879           if (
 880             gameType == "live" &&
 881             gameInfo.players.some(p => p.sid == this.st.user.sid)
 882           ) {
 883             this.addAndGotoLiveGame(gameInfo);
 884           } else if (
 885             gameType == "corr" &&
 886             gameInfo.players.some(p => p.id == this.st.user.id)
 887           ) {
 888             this.$router.push("/game/" + gameInfo.id);
 889           } else {
 890             this.rematchId = gameInfo.id;
 891             document.getElementById("modalRules").checked = false;
 892             document.getElementById("modalScore").checked = false;
 893             document.getElementById("modalRematch").checked = true;
 894           }
 895           break;
 896         }
 897         case "newchat": {
 898           let chat = data.data;
 899           this.$refs["chatcomp"].newChat(chat);
 900           if (this.game.type == "live") {
 901             chat.added = Date.now();
 902             if (!!this.game.mycolor)
 903               GameStorage.update(this.gameRef, { chat: chat });
 904           }
 905           if (!document.getElementById("modalChat").checked)
 906             document.getElementById("chatBtn").classList.add("somethingnew");
 907           break;
 908         }
 909       }
 910     },
 911     updateCorrGame: function(obj, callback) {
 912       ajax(
 913         "/games",
 914         "PUT",
 915         {
 916           data: {
 917             gid: this.gameRef,
 918             newObj: obj
 919           },
 920           success: () => {
 921             if (!!callback) callback();
 922           }
 923         }
 924       );
 925     },
 926     sendLastate: function(target) {
 927       // Send our "last state" informations to opponent
 928       const L = this.game.moves.length;
 929       const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 930       const myLastate = {
 931         lastMove:
 932           (L > 0 && this.vr.turn != this.game.mycolor)
 933             ? this.game.moves[L - 1]
 934             : undefined,
 935         clock: this.game.clocks[myIdx],
 936         // Since we played a move (or abort or resign),
 937         // only drawOffer=="sent" is possible
 938         drawSent: this.drawOffer == "sent" ? true : undefined,
 939         rematchSent: this.rematchOffer == "sent" ? true : undefined,
 940         score: this.game.score != "*" ? this.game.score : undefined,
 941         scoreMsg: this.game.score != "*" ? this.game.scoreMsg : undefined,
 942         movesCount: L
 943       };
 944       this.send("lastate", { data: myLastate, target: target });
 945     },
 946     // lastate was received, but maybe game wasn't ready yet:
 947     processLastate: function() {
 948       const data = this.lastate;
 949       this.lastate = undefined; //security...
 950       if (!!data.score) {
 951         const oppCol = V.GetOppCol(this.game.mycolor);
 952         if (!!data.rematchSent) {
 953           if (this.game.rematchOffer != oppCol) {
 954             // Opponent sended rematch offer while we were offline:
 955             this.rematchOffer = "received";
 956             GameStorage.update(
 957               this.gameRef,
 958               { rematchOffer: oppCol }
 959             );
 960           }
 961         }
 962         else {
 963           if (this.game.rematchOffer == oppCol) {
 964             // Opponent cancelled rematch offer while we were offline:
 965             this.rematchOffer = "";
 966             GameStorage.update(
 967               this.gameRef,
 968               { rematchOffer: "" }
 969             );
 970           }
 971         }
 972       }
 973       else {
 974         const L = this.game.moves.length;
 975         const oppIdx = 1 - ["w", "b"].indexOf(this.game.mycolor);
 976         this.game.clocks[oppIdx] = data.clock;
 977         if (data.movesCount > L) {
 978           // Just got last move from him
 979           this.$refs["basegame"].play(data.lastMove, "received");
 980           this.processMove(data.lastMove);
 981         } else {
 982           if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 983           this.re_setClocks();
 984         }
 985         if (!!data.drawSent) this.drawOffer = "received";
 986         if (!!data.score) {
 987           this.drawOffer = "";
 988           if (this.game.score == "*")
 989             this.gameOver(data.score, data.scoreMsg);
 990         }
 991       }
 992     },
 993     clickDraw: function() {
 994       if (!this.game.mycolor || this.game.type == "import") return;
 995       if (["received", "threerep"].includes(this.drawOffer)) {
 996         if (!confirm(this.st.tr["Accept draw?"])) return;
 997         const message =
 998           this.drawOffer == "received"
 999             ? "Mutual agreement"
1000             : "Three repetitions";
1001         this.send("draw", { data: message });
1002         this.gameOver("1/2", message);
1003       } else if (this.drawOffer == "") {
1004         // No effect if drawOffer == "sent"
1005         if (this.game.mycolor != this.vr.turn) {
1006           alert(this.st.tr["Draw offer only in your turn"]);
1007           return;
1008         }
1009         if (!confirm(this.st.tr["Offer draw?"])) return;
1010         this.drawOffer = "sent";
1011         this.send("drawoffer");
1012         if (this.game.type == "live") {
1013           GameStorage.update(
1014             this.gameRef,
1015             { drawOffer: this.game.mycolor }
1016           );
1017         } else this.updateCorrGame({ drawOffer: this.game.mycolor });
1018       }
1019     },
1020     addAndGotoLiveGame: function(gameInfo, callback) {
1021       const game = Object.assign(
1022         {},
1023         gameInfo,
1024         {
1025           // (other) Game infos: constant
1026           fenStart: gameInfo.fen,
1027           vname: this.game.vname,
1028           created: Date.now(),
1029           // Game state (including FEN): will be updated
1030           moves: [],
1031           clocks: [-1, -1], //-1 = unstarted
1032           score: "*"
1033         }
1034       );
1035       GameStorage.add(game, (err) => {
1036         // No error expected.
1037         if (!err) {
1038           if (this.st.settings.sound)
1039             new Audio("/sounds/newgame.flac").play().catch(() => {});
1040           if (!!callback) callback();
1041           this.$router.push("/game/" + gameInfo.id);
1042         }
1043       });
1044     },
1045     clickRematch: function() {
1046       if (!this.game.mycolor || this.game.type == "import") return;
1047       if (this.rematchOffer == "received") {
1048         // Start a new game!
1049         let gameInfo = {
1050           id: getRandString(), //ignored if corr
1051           fen: V.GenRandInitFen(this.game.randomness),
1052           players: this.game.players.reverse(),
1053           vid: this.game.vid,
1054           cadence: this.game.cadence
1055         };
1056         const notifyNewGame = () => {
1057           const oppsid = this.getOppsid(); //may be null
1058           this.send("rnewgame", { data: gameInfo, oppsid: oppsid });
1059           // To main Hall if corr game:
1060           if (this.game.type == "corr")
1061             this.send("newgame", { data: gameInfo, page: "/" });
1062           // Also to MyGames page:
1063           this.notifyMyGames("newgame", gameInfo);
1064         };
1065         if (this.game.type == "live")
1066           this.addAndGotoLiveGame(gameInfo, notifyNewGame);
1067         else {
1068           // corr game
1069           ajax(
1070             "/games",
1071             "POST",
1072             {
1073               // cid is useful to delete the challenge:
1074               data: { gameInfo: gameInfo },
1075               success: (response) => {
1076                 gameInfo.id = response.gameId;
1077                 notifyNewGame();
1078                 this.$router.push("/game/" + response.gameId);
1079               }
1080             }
1081           );
1082         }
1083       } else if (this.rematchOffer == "") {
1084         this.rematchOffer = "sent";
1085         this.send("rematchoffer", { data: true });
1086         if (this.game.type == "live") {
1087           GameStorage.update(
1088             this.gameRef,
1089             { rematchOffer: this.game.mycolor }
1090           );
1091         } else this.updateCorrGame({ rematchOffer: this.game.mycolor });
1092       } else if (this.rematchOffer == "sent") {
1093         // Toggle rematch offer (on --> off)
1094         this.rematchOffer = "";
1095         this.send("rematchoffer", { data: false });
1096         if (this.game.type == "live") {
1097           GameStorage.update(
1098             this.gameRef,
1099             { rematchOffer: '' }
1100           );
1101         } else this.updateCorrGame({ rematchOffer: 'n' });
1102       }
1103     },
1104     abortGame: function() {
1105       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"]))
1106         return;
1107       this.gameOver("?", "Stop");
1108       this.send("abort");
1109     },
1110     resign: function() {
1111       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
1112         return;
1113       this.send("resign", { data: this.game.mycolor });
1114       const score = (this.game.mycolor == "w" ? "0-1" : "1-0");
1115       const side = (this.game.mycolor == "w" ? "White" : "Black");
1116       this.gameOver(score, side + " surrender");
1117     },
1118     loadGame: function(game, callback) {
1119       const gtype = game.type || this.getGameType(game);
1120       const tc = extractTime(game.cadence);
1121       const myIdx = game.players.findIndex(p => {
1122         return p.sid == this.st.user.sid || p.id == this.st.user.id;
1123       });
1124       // Sometimes the name isn't stored yet (TODO: why?)
1125       if (
1126         myIdx >= 0 &&
1127         gtype == "live" &&
1128         !game.players[myIdx].name &&
1129         !!this.st.user.name
1130       ) {
1131         game.players[myIdx].name = this.st.user.name;
1132         GameStorage.update(
1133           game.id,
1134           { playerName: { idx: myIdx, name: this.st.user.name } }
1135         );
1136       }
1137       // "mycolor" is undefined for observers
1138       const mycolor = [undefined, "w", "b"][myIdx + 1];
1139       if (gtype == "corr") {
1140         if (mycolor == 'w') game.chatRead = game.chatReadWhite;
1141         else if (mycolor == 'b') game.chatRead = game.chatReadBlack;
1142         // NOTE: clocks in seconds
1143         game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
1144         game.clocks = [tc.mainTime, tc.mainTime];
1145         const L = game.moves.length;
1146         if (game.score == "*") {
1147           // Adjust clocks
1148           if (L >= 2) {
1149             game.clocks[L % 2] -=
1150               (Date.now() - game.moves[L-1].played) / 1000;
1151           }
1152         }
1153         // Now that we used idx and played, re-format moves as for live games
1154         game.moves = game.moves.map(m => m.squares);
1155       }
1156       else if (gtype == "live") {
1157         if (game.clocks[0] < 0) {
1158           // Game is unstarted. clock is ignored until move 2
1159           game.clocks = [tc.mainTime, tc.mainTime];
1160           if (myIdx >= 0) {
1161             // I play in this live game
1162             GameStorage.update(
1163               game.id,
1164               { clocks: game.clocks }
1165             );
1166           }
1167         } else {
1168           if (!!game.initime)
1169             // It's my turn: clocks not updated yet
1170             game.clocks[myIdx] -= (Date.now() - game.initime) / 1000;
1171         }
1172       }
1173       else
1174         // gtype == "import"
1175         game.clocks = [tc.mainTime, tc.mainTime];
1176       // Live games before 26/03/2020 don't have chat history:
1177       if (!game.chats) game.chats = []; //TODO: remove line
1178       // Sort chat messages from newest to oldest
1179       game.chats.sort((c1, c2) => c2.added - c1.added);
1180       if (
1181         myIdx >= 0 &&
1182         game.chats.length > 0 &&
1183         (!game.chatRead || game.chatRead < game.chats[0].added)
1184       ) {
1185         // A chat message arrived since my last reading:
1186         document.getElementById("chatBtn").classList.add("somethingnew");
1187       }
1188       // TODO: merge next 2 "if" conditions
1189       if (!!game.drawOffer) {
1190         if (game.drawOffer == "t")
1191           // Three repetitions
1192           this.drawOffer = "threerep";
1193         else {
1194           // Draw offered by any of the players:
1195           if (myIdx < 0) this.drawOffer = "received";
1196           else {
1197             // I play in this game:
1198             if (
1199               (game.drawOffer == "w" && myIdx == 0) ||
1200               (game.drawOffer == "b" && myIdx == 1)
1201             )
1202               this.drawOffer = "sent";
1203             else this.drawOffer = "received";
1204           }
1205         }
1206       }
1207       if (!!game.rematchOffer) {
1208         if (myIdx < 0) this.rematchOffer = "received";
1209         else {
1210           // I play in this game:
1211           if (
1212             (game.rematchOffer == "w" && myIdx == 0) ||
1213             (game.rematchOffer == "b" && myIdx == 1)
1214           ) {
1215             this.rematchOffer = "sent";
1216           }
1217           else this.rematchOffer = "received";
1218         }
1219       }
1220       this.repeat = {}; //reset: scan past moves' FEN:
1221       let repIdx = 0;
1222       this.vr = new V(game.fenStart);
1223       let curTurn = "n";
1224       game.moves.forEach(m => {
1225         playMove(m, this.vr);
1226         const fenIdx = this.vr.getFenForRepeat();
1227         this.repeat[fenIdx] = this.repeat[fenIdx]
1228           ? this.repeat[fenIdx] + 1
1229           : 1;
1230       });
1231       // Imported games don't have current FEN
1232       if (!game.fen) game.fen = this.vr.getFen();
1233       if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
1234       this.game = Object.assign(
1235         // NOTE: assign mycolor here, since BaseGame could also be VS computer
1236         {
1237           type: gtype,
1238           increment: tc.increment,
1239           mycolor: mycolor,
1240           // opponent sid not strictly required (or available), but easier
1241           // at least oppsid or oppid is available anyway:
1242           oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
1243           oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].id
1244         },
1245         game
1246       );
1247       this.$refs["basegame"].re_setVariables(this.game);
1248       if (!this.gameIsLoading) {
1249         // Initial loading:
1250         this.gotMoveIdx = game.moves.length - 1;
1251         // If we arrive here after 'nextGame' action, the board might be hidden
1252         let boardDiv = document.querySelector(".game");
1253         if (!!boardDiv && boardDiv.style.visibility == "hidden")
1254           boardDiv.style.visibility = "visible";
1255       }
1256       this.re_setClocks();
1257       this.$nextTick(() => {
1258         this.game.rendered = true;
1259         // Did lastate arrive before game was rendered?
1260         if (this.lastate) this.processLastate();
1261       });
1262       if (this.lastateAsked) {
1263         this.lastateAsked = false;
1264         this.sendLastate(game.oppsid);
1265       }
1266       if (this.gameIsLoading) {
1267         this.gameIsLoading = false;
1268         if (this.gotMoveIdx >= game.moves.length)
1269           // Some moves arrived meanwhile...
1270           this.askGameAgain();
1271       }
1272       if (!!callback) callback();
1273     },
1274     loadVariantThenGame: async function(game, callback) {
1275       await import("@/variants/" + game.vname + ".js")
1276       .then((vModule) => {
1277         window.V = vModule[game.vname + "Rules"];
1278         this.loadGame(game, callback);
1279       });
1280       // (AJAX) Request to get rules content (plain text, HTML)
1281       this.rulesContent =
1282         require(
1283           "raw-loader!@/translations/rules/" +
1284           game.vname + "/" +
1285           this.st.lang + ".pug"
1286         )
1287         // Next two lines fix a weird issue after last update (2019-11)
1288         .replace(/\\n/g, " ")
1289         .replace(/\\"/g, '"')
1290         .replace('module.exports = "', "")
1291         .replace(/"$/, "")
1292         .replace(/(fen:)([^:]*):/g, replaceByDiag);
1293     },
1294     // 3 cases for loading a game:
1295     //  - from indexedDB (running or completed live game I play)
1296     //  - from server (one correspondance game I play[ed] or not)
1297     //  - from remote peer (one live game I don't play, finished or not)
1298     fetchGame: function(callback) {
1299       if (Number.isInteger(this.gameRef) || !isNaN(parseInt(this.gameRef))) {
1300         // corr games identifiers are integers
1301         ajax(
1302           "/games",
1303           "GET",
1304           {
1305             data: { gid: this.gameRef },
1306             success: (res) => {
1307               res.game.moves.forEach(m => {
1308                 m.squares = JSON.parse(m.squares);
1309               });
1310               callback(res.game);
1311             }
1312           }
1313         );
1314       }
1315       else if (!!this.gameRef.match(/^i/))
1316         // Game import (maybe remote)
1317         ImportgameStorage.get(this.gameRef, callback);
1318       else
1319         // Local live game (or remote)
1320         GameStorage.get(this.gameRef, callback);
1321     },
1322     re_setClocks: function() {
1323       this.virtualClocks = this.game.clocks.map(s => ppt(s).split(':'));
1324       if (this.game.moves.length < 2 || this.game.score != "*") {
1325         // 1st move not completed yet, or game over: freeze time
1326         return;
1327       }
1328       const currentTurn = this.vr.turn;
1329       const currentMovesCount = this.game.moves.length;
1330       const colorIdx = ["w", "b"].indexOf(currentTurn);
1331       this.clockUpdate = setInterval(
1332         () => {
1333           if (
1334             this.game.clocks[colorIdx] < 0 ||
1335             this.game.moves.length > currentMovesCount ||
1336             this.game.score != "*"
1337           ) {
1338             clearInterval(this.clockUpdate);
1339             this.clockUpdate = null;
1340             if (this.game.clocks[colorIdx] < 0)
1341               this.gameOver(
1342                 currentTurn == "w" ? "0-1" : "1-0",
1343                 "Time"
1344               );
1345           } else {
1346             this.$set(
1347               this.virtualClocks,
1348               colorIdx,
1349               ppt(Math.max(0, --this.game.clocks[colorIdx])).split(':')
1350             );
1351           }
1352         },
1353         1000
1354       );
1355     },
1356     // Update variables and storage after a move:
1357     processMove: function(move, data) {
1358       if (this.game.type == "import")
1359         // Shouldn't receive any messages in this mode:
1360         return;
1361       if (!data) data = {};
1362       const moveCol = this.vr.turn;
1363       const colorIdx = ["w", "b"].indexOf(moveCol);
1364       const nextIdx = 1 - colorIdx;
1365       const doProcessMove = () => {
1366         const origMovescount = this.game.moves.length;
1367         // The move is (about to be) played: stop clock
1368         clearInterval(this.clockUpdate);
1369         this.clockUpdate = null;
1370         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1371           if (this.drawOffer == "received")
1372             // I refuse draw
1373             this.drawOffer = "";
1374           if (this.game.type == "live" && origMovescount >= 2) {
1375             this.game.clocks[colorIdx] += this.game.increment;
1376             // For a correct display in casqe of disconnected opponent:
1377             this.$set(
1378               this.virtualClocks,
1379               colorIdx,
1380               ppt(this.game.clocks[colorIdx]).split(':')
1381             );
1382             GameStorage.update(this.gameRef, {
1383               // It's not my turn anymore:
1384               initime: null
1385             });
1386           }
1387         }
1388         // Update current game object:
1389         playMove(move, this.vr);
1390         if (!data.score)
1391           // Received move, score is computed in BaseGame, but maybe not yet.
1392           // ==> Compute it here, although this is redundant (TODO)
1393           data.score = this.vr.getCurrentScore();
1394         if (data.score != "*") this.gameOver(data.score);
1395         this.game.moves.push(move);
1396         this.game.fen = this.vr.getFen();
1397         if (this.game.type == "corr") {
1398           // In corr games, just reset clock to mainTime:
1399           this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
1400         }
1401         // If repetition detected, consider that a draw offer was received:
1402         const fenObj = this.vr.getFenForRepeat();
1403         this.repeat[fenObj] =
1404           !!this.repeat[fenObj]
1405             ? this.repeat[fenObj] + 1
1406             : 1;
1407         if (this.repeat[fenObj] >= 3) this.drawOffer = "threerep";
1408         else if (this.drawOffer == "threerep") this.drawOffer = "";
1409         if (!!this.game.mycolor && !data.receiveMyMove) {
1410           // NOTE: 'var' to see that variable outside this block
1411           var filtered_move = getFilteredMove(move);
1412         }
1413         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1414           // Notify turn on MyGames page:
1415           this.notifyMyGames(
1416             "turn",
1417             {
1418               gid: this.gameRef,
1419               turn: this.vr.turn
1420             }
1421           );
1422         }
1423         // Since corr games are stored at only one location, update should be
1424         // done only by one player for each move:
1425         if (
1426           this.game.type == "live" &&
1427           !!this.game.mycolor &&
1428           moveCol != this.game.mycolor &&
1429           this.game.moves.length >= 2
1430         ) {
1431           // Receive a move: update initime
1432           this.game.initime = Date.now();
1433           GameStorage.update(this.gameRef, {
1434             // It's my turn now!
1435             initime: this.game.initime
1436           });
1437         }
1438         if (
1439           !!this.game.mycolor &&
1440           !data.receiveMyMove &&
1441           (this.game.type == "live" || moveCol == this.game.mycolor)
1442         ) {
1443           let drawCode = "";
1444           switch (this.drawOffer) {
1445             case "threerep":
1446               drawCode = "t";
1447               break;
1448             case "sent":
1449               drawCode = this.game.mycolor;
1450               break;
1451             case "received":
1452               drawCode = V.GetOppCol(this.game.mycolor);
1453               break;
1454           }
1455           if (this.game.type == "corr") {
1456             // corr: only move, fen and score
1457             this.updateCorrGame({
1458               fen: this.game.fen,
1459               move: {
1460                 squares: filtered_move,
1461                 idx: origMovescount
1462               },
1463               // Code "n" for "None" to force reset (otherwise it's ignored)
1464               drawOffer: drawCode || "n"
1465             });
1466           }
1467           else {
1468             const updateStorage = () => {
1469               GameStorage.update(this.gameRef, {
1470                 fen: this.game.fen,
1471                 move: filtered_move,
1472                 moveIdx: origMovescount,
1473                 clocks: this.game.clocks,
1474                 drawOffer: drawCode
1475               });
1476             };
1477             // The active tab can update storage immediately
1478             if (this.focus) updateStorage();
1479             // Small random delay otherwise
1480             else setTimeout(updateStorage, 500 + 1000 * Math.random());
1481           }
1482         }
1483         // Send move ("newmove" event) to people in the room (if our turn)
1484         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1485           let sendMove = {
1486             move: filtered_move,
1487             index: origMovescount,
1488             // color is required to check if this is my move
1489             // (if several tabs opened)
1490             color: moveCol,
1491             cancelDrawOffer: this.drawOffer == ""
1492           };
1493           if (this.game.type == "live")
1494             sendMove["clock"] = this.game.clocks[colorIdx];
1495           // (Live) Clocks will re-start when the opponent pingback arrive
1496           this.opponentGotMove = false;
1497           this.send("newmove", {data: sendMove});
1498           // If the opponent doesn't reply gotmove soon enough, re-send move:
1499           // Do this at most 2 times, because mpore would mean network issues,
1500           // opponent would then be expected to disconnect/reconnect.
1501           let counter = 1;
1502           const currentUrl = document.location.href;
1503           this.retrySendmove = setInterval(
1504             () => {
1505               if (
1506                 counter >= 3 ||
1507                 this.opponentGotMove ||
1508                 document.location.href != currentUrl //page change
1509               ) {
1510                 clearInterval(this.retrySendmove);
1511                 return;
1512               }
1513               const oppsid = this.getOppsid();
1514               if (!oppsid)
1515                 // Opponent is disconnected: he'll ask last state
1516                 clearInterval(this.retrySendmove);
1517               else {
1518                 this.send("newmove", { data: sendMove, target: oppsid });
1519                 counter++;
1520               }
1521             },
1522             1500
1523           );
1524         }
1525         else
1526           // Not my move or I'm an observer: just start other player's clock
1527           this.re_setClocks();
1528       };
1529       if (
1530         this.game.type == "corr" &&
1531         moveCol == this.game.mycolor &&
1532         !data.receiveMyMove
1533       ) {
1534         let boardDiv = document.querySelector(".game");
1535         const afterSetScore = () => {
1536           doProcessMove();
1537           if (this.st.settings.gotonext && this.nextIds.length > 0)
1538             this.showNextGame();
1539           else {
1540             // The board might have been hidden:
1541             if (boardDiv.style.visibility == "hidden")
1542               boardDiv.style.visibility = "visible";
1543             if (data.score == "*") this.re_setClocks();
1544           }
1545         };
1546         let el = document.querySelector("#buttonsConfirm > .acceptBtn");
1547         // We may play several moves in a row: in case of, remove listener:
1548         let elClone = el.cloneNode(true);
1549         el.parentNode.replaceChild(elClone, el);
1550         elClone.addEventListener(
1551           "click",
1552           () => {
1553             document.getElementById("modalConfirm").checked = false;
1554             if (!!data.score && data.score != "*")
1555               // Set score first
1556               this.gameOver(data.score, null, afterSetScore);
1557             else afterSetScore();
1558           }
1559         );
1560         // PlayOnBoard is enough, and more appropriate for Synchrone Chess
1561         const arMove = (Array.isArray(move) ? move : [move]);
1562         for (let i = 0; i < arMove.length; i++)
1563           V.PlayOnBoard(this.vr.board, arMove[i]);
1564         const position = this.vr.getBaseFen();
1565         for (let i = arMove.length - 1; i >= 0; i--)
1566           V.UndoOnBoard(this.vr.board, arMove[i]);
1567         if (["all","byrow"].includes(V.ShowMoves)) {
1568           this.curDiag = getDiagram({
1569             position: position,
1570             orientation: V.CanFlip ? this.game.mycolor : "w"
1571           });
1572           document.querySelector("#confirmDiv > .card").style.width =
1573             boardDiv.offsetWidth + "px";
1574         } else {
1575           // Incomplete information: just ask confirmation
1576           // Hide the board, because otherwise it could reveal infos
1577           boardDiv.style.visibility = "hidden";
1578           this.moveNotation = getFullNotation(move);
1579         }
1580         document.getElementById("modalConfirm").checked = true;
1581       }
1582       else {
1583         // Normal situation
1584         if (!!data.score && data.score != "*")
1585           this.gameOver(data.score, null, doProcessMove);
1586         else doProcessMove();
1587       }
1588     },
1589     cancelMove: function() {
1590       let boardDiv = document.querySelector(".game");
1591       if (boardDiv.style.visibility == "hidden")
1592         boardDiv.style.visibility = "visible";
1593       document.getElementById("modalConfirm").checked = false;
1594       this.$refs["basegame"].cancelLastMove();
1595     },
1596     // In corr games, callback to change page only after score is set:
1597     gameOver: function(score, scoreMsg, callback) {
1598       this.game.score = score;
1599       if (!scoreMsg) scoreMsg = getScoreMessage(score);
1600       this.game.scoreMsg = scoreMsg;
1601       document.getElementById("modalRules").checked = false;
1602       // Display result in a un-missable way:
1603       document.getElementById("modalScore").checked = true;
1604       this.$set(this.game, "scoreMsg", scoreMsg);
1605       const myIdx = this.game.players.findIndex(p => {
1606         return p.sid == this.st.user.sid || p.id == this.st.user.id;
1607       });
1608       if (myIdx >= 0) {
1609         // OK, I play in this game
1610         const scoreObj = {
1611           score: score,
1612           scoreMsg: scoreMsg
1613         };
1614         if (this.game.type == "live") {
1615           GameStorage.update(this.gameRef, scoreObj);
1616           // Notify myself locally if I'm elsewhere:
1617           if (!this.focus) {
1618             notify(
1619               "Game over",
1620               { body: score + " : " + scoreMsg }
1621             );
1622           }
1623           if (!!callback) callback();
1624         }
1625         else this.updateCorrGame(scoreObj, callback);
1626         // Notify the score to main Hall.
1627         // TODO: only one player (currently double send)
1628         this.send("result", { gid: this.game.id, score: score });
1629         // Also to MyGames page (TODO: doubled as well...)
1630         this.notifyMyGames(
1631           "score",
1632           {
1633             gid: this.gameRef,
1634             score: score
1635           }
1636         );
1637       }
1638       else if (!!callback) callback();
1639     }
1640   }
1641 };
1642 </script>
1643
1644 <style lang="sass" scoped>
1645 #scoreDiv > .card, #rematchDiv > .card
1646   padding: 10px 0
1647   max-width: 430px
1648
1649 #rulesDiv > .card
1650   padding: 5px 0
1651   max-width: 50%
1652   max-height: 100%
1653   @media screen and (max-width: 1500px)
1654     max-width: 67%
1655   @media screen and (max-width: 1024px)
1656     max-width: 85%
1657   @media screen and (max-width: 767px)
1658     max-width: 100%
1659
1660 p.score-section
1661   margin: 0
1662   font-size: 1.3em
1663   span.score
1664     font-weight: bold
1665
1666 .connected
1667   background-color: lightgreen
1668
1669 #participants
1670   margin-left: 5px
1671
1672 .anonymous
1673   color: grey
1674   font-style: italic
1675
1676 #playersInfo > p
1677   margin: 0
1678
1679 @media screen and (max-width: 767px)
1680   .game
1681     width: 100%
1682
1683 #actions
1684   display: inline-block
1685   margin: 0
1686
1687 button
1688   display: inline-block
1689   margin: 0
1690   display: inline-flex
1691   img
1692     height: 22px
1693     display: flex
1694     @media screen and (max-width: 767px)
1695       height: 18px
1696
1697 #aboveBoard
1698   text-align: center
1699
1700 .variant-cadence
1701   padding-right: 10px
1702
1703 .variant-name
1704   font-weight: bold
1705   padding-right: 10px
1706
1707 span#nextGame
1708   background-color: #edda99
1709   cursor: pointer
1710   display: inline-block
1711   margin-right: 10px
1712
1713 span.separator
1714   display: inline-block
1715   margin: 0
1716   padding: 0
1717   width: 10px
1718
1719 span.name
1720   font-size: 1.5rem
1721   @media screen and (max-width: 767px)
1722     font-size: 1.2rem
1723   padding: 0 3px
1724
1725 span.time
1726   font-size: 2rem
1727   @media screen and (max-width: 767px)
1728     font-size: 1.5rem
1729   display: inline-block
1730   .time-left
1731     margin-left: 10px
1732   .time-right
1733     margin-left: 5px
1734   .time-separator
1735     margin-left: 5px
1736     position: relative
1737     top: -1px
1738
1739 span.yourturn
1740   color: #831B1B
1741   .time-separator
1742     animation: blink-animation 2s steps(3, start) infinite
1743 @keyframes blink-animation
1744   to
1745     visibility: hidden
1746
1747 .split-names
1748   display: inline-block
1749   margin: 0 15px
1750
1751 #chatWrap > .card
1752   padding-top: 20px
1753   max-width: 767px
1754   border: none
1755
1756 #confirmDiv > .card
1757   max-width: 767px
1758   max-height: 100%
1759
1760 .draw-sent, .draw-sent:hover
1761   background-color: lightyellow
1762
1763 .draw-received, .draw-received:hover
1764   background-color: lightgreen
1765
1766 .draw-threerep, .draw-threerep:hover
1767   background-color: #e4d1fc
1768
1769 .rematch-sent, .rematch-sent:hover
1770   background-color: lightyellow
1771
1772 .rematch-received, .rematch-received:hover
1773   background-color: lightgreen
1774
1775 .somethingnew
1776   background-color: #c5fefe
1777
1778 .diagram
1779   margin: 0 auto
1780   width: 100%
1781
1782 #buttonsConfirm
1783   margin: 0
1784   & > button > span
1785     width: 100%
1786     text-align: center
1787
1788 button.acceptBtn
1789   background-color: lightgreen
1790 button.refuseBtn
1791   background-color: red
1792
1793 h4#variantNameInGame
1794   cursor: pointer
1795   text-align: center
1796   text-decoration: underline
1797   font-weight: bold
1798 </style>
1799
1800 <style lang="sass">
1801 @import "@/styles/_rules.sass"
1802 @import "@/styles/_board_squares_img.sass"
1803 </style>