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