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.tooltip(
  88         onClick="window.doClick('modalChat')"
  89         aria-label="Chat"
  90       )
  91         img(src="/images/icons/chat.svg")
  92       #actions(v-if="game.score=='*'")
  93         button.tooltip(
  94           @click="clickDraw()"
  95           :class="{['draw-' + drawOffer]: true}"
  96           :aria-label="st.tr['Draw']"
  97         )
  98           img(src="/images/icons/draw.svg")
  99         button.tooltip(
 100           v-show="!!game.mycolor"
 101           @click="abortGame()"
 102           :aria-label="st.tr['Abort']"
 103         )
 104           img(src="/images/icons/abort.svg")
 105         button.tooltip(
 106           v-show="!!game.mycolor"
 107           @click="resign()"
 108           :aria-label="st.tr['Resign']"
 109         )
 110           img(src="/images/icons/resign.svg")
 111       button.tooltip(
 112         v-else
 113         @click="clickRematch()"
 114         :class="{['rematch-' + rematchOffer]: true}"
 115         :aria-label="st.tr['Rematch']"
 116       )
 117         img(src="/images/icons/rematch.svg")
 118       #playersInfo
 119         p(v-if="isLargeScreen()")
 120           span.name(:class="{connected: isConnected(0)}")
 121             | {{ game.players[0].name || "@nonymous" }}
 122           span.time(
 123             v-if="game.score=='*'"
 124             :class="{yourturn: !!vr && vr.turn == 'w'}"
 125           )
 126             span.time-left {{ virtualClocks[0][0] }}
 127             span.time-separator(v-if="!!virtualClocks[0][1]") :
 128             span.time-right(v-if="!!virtualClocks[0][1]")
 129               | {{ virtualClocks[0][1] }}
 130           span.split-names -
 131           span.name(:class="{connected: isConnected(1)}")
 132             | {{ game.players[1].name || "@nonymous" }}
 133           span.time(
 134             v-if="game.score=='*'"
 135             :class="{yourturn: !!vr && vr.turn == 'b'}"
 136           )
 137             span.time-left {{ virtualClocks[1][0] }}
 138             span.time-separator(v-if="!!virtualClocks[1][1]") :
 139             span.time-right(v-if="!!virtualClocks[1][1]")
 140               | {{ virtualClocks[1][1] }}
 141         p(v-else)
 142           span.name(:class="{connected: isConnected(0)}")
 143             | {{ game.players[0].name || "@nonymous" }}
 144           span.split-names -
 145           span.name(:class="{connected: isConnected(1)}")
 146             | {{ game.players[1].name || "@nonymous" }}
 147           br
 148           span.time(
 149             v-if="game.score=='*'"
 150             :class="{yourturn: !!vr && vr.turn == 'w'}"
 151           )
 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(
 158             v-if="game.score=='*'"
 159             :class="{yourturn: !!vr && vr.turn == 'b'}"
 160           )
 161             span.time-left {{ virtualClocks[1][0] }}
 162             span.time-separator(v-if="!!virtualClocks[1][1]") :
 163             span.time-right(v-if="!!virtualClocks[1][1]")
 164               | {{ virtualClocks[1][1] }}
 165   BaseGame(
 166     ref="basegame"
 167     :game="game"
 168     @newmove="processMove"
 169   )
 170 </template>
 171
 172 <script>
 173 import BaseGame from "@/components/BaseGame.vue";
 174 import Chat from "@/components/Chat.vue";
 175 import { store } from "@/store";
 176 import { GameStorage } from "@/utils/gameStorage";
 177 import { ImportgameStorage } from "@/utils/importgameStorage";
 178 import { ppt } from "@/utils/datetime";
 179 import { notify } from "@/utils/notifications";
 180 import { ajax } from "@/utils/ajax";
 181 import { extractTime } from "@/utils/timeControl";
 182 import { getRandString } from "@/utils/alea";
 183 import { getScoreMessage } from "@/utils/scoring";
 184 import { getFullNotation } from "@/utils/notation";
 185 import { getDiagram, replaceByDiag } from "@/utils/printDiagram";
 186 import { processModalClick } from "@/utils/modalClick";
 187 import { playMove, getFilteredMove } from "@/utils/playUndo";
 188 import { ArrayFun } from "@/utils/array";
 189 import params from "@/parameters";
 190 export default {
 191   name: "my-game",
 192   components: {
 193     BaseGame,
 194     Chat
 195   },
 196   data: function() {
 197     return {
 198       st: store.state,
 199       // gameRef can point to a corr game, local game or remote live game
 200       gameRef: "",
 201       nextIds: [],
 202       game: {}, //passed to BaseGame
 203       focus: !document.hidden, //will not always work... TODO
 204       // virtualClocks will be initialized from true game.clocks
 205       virtualClocks: [],
 206       vr: null, //"variant rules" object initialized from FEN
 207       rulesContent: "",
 208       drawOffer: "",
 209       rematchId: "",
 210       rematchOffer: "",
 211       lastateAsked: false,
 212       people: {}, //players + observers
 213       lastate: undefined, //used if opponent send lastate before game is ready
 214       repeat: {}, //detect position repetition
 215       curDiag: "", //for corr moves confirmation
 216       conn: null,
 217       roomInitialized: false,
 218       // If newmove has wrong index: ask fullgame again:
 219       askGameTime: 0,
 220       gameIsLoading: false,
 221       // If asklastate got no reply, ask again:
 222       gotLastate: false,
 223       gotMoveIdx: -1, //last move index received
 224       // If newmove got no pingback, send again:
 225       opponentGotMove: false,
 226       connexionString: "",
 227       socketCloseListener: 0,
 228       // Incomplete info games: show move played
 229       moveNotation: "",
 230       // Intervals from setInterval():
 231       askLastate: null,
 232       retrySendmove: null,
 233       clockUpdate: null,
 234       // Related to (killing of) self multi-connects:
 235       newConnect: {}
 236     };
 237   },
 238   watch: {
 239     $route: function(to, from) {
 240       if (to.path.length < 6 || to.path.substr(0, 6) != "/game/")
 241         // Page change
 242         this.cleanBeforeDestroy();
 243       else if (from.params["id"] != to.params["id"]) {
 244         // Change everything:
 245         this.cleanBeforeDestroy();
 246         let boardDiv = document.querySelector(".game");
 247         if (!!boardDiv)
 248           // In case of incomplete information variant:
 249           boardDiv.style.visibility = "hidden";
 250         this.atCreation();
 251       } else
 252         // Same game ID
 253         this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 254     }
 255   },
 256   // NOTE: some redundant code with Hall.vue (mostly related to people array)
 257   created: function() {
 258     this.atCreation();
 259   },
 260   mounted: function() {
 261     document.getElementById("chatWrap")
 262       .addEventListener("click", (e) => {
 263         processModalClick(e, () => {
 264           this.toggleChat("close")
 265         });
 266       });
 267     ["rulesDiv", "rematchDiv", "scoreDiv"].forEach(
 268       (eltName) => {
 269         document.getElementById(eltName)
 270           .addEventListener("click", processModalClick);
 271       }
 272     );
 273     if ("ontouchstart" in window) {
 274       // Disable tooltips on smartphones:
 275       document.querySelectorAll("#aboveBoard .tooltip").forEach(elt => {
 276         elt.classList.remove("tooltip");
 277       });
 278     }
 279   },
 280   beforeDestroy: function() {
 281     this.cleanBeforeDestroy();
 282   },
 283   methods: {
 284     cleanBeforeDestroy: function() {
 285       clearInterval(this.socketCloseListener);
 286       document.removeEventListener('visibilitychange', this.visibilityChange);
 287       window.removeEventListener('focus', this.onFocus);
 288       window.removeEventListener('blur', this.onBlur);
 289       if (!!this.askLastate) clearInterval(this.askLastate);
 290       if (!!this.retrySendmove) clearInterval(this.retrySendmove);
 291       if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 292       this.conn.removeEventListener("message", this.socketMessageListener);
 293       this.send("disconnect");
 294       this.conn = null;
 295     },
 296     visibilityChange: function() {
 297       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 298       this.focus = (document.visibilityState == "visible");
 299       if (!this.focus && !!this.rematchOffer) {
 300         this.rematchOffer = "";
 301         this.send("rematchoffer", { data: false });
 302         // Do not remove rematch offer from (local) storage
 303       }
 304       this.send(this.focus ? "getfocus" : "losefocus");
 305     },
 306     onFocus: function() {
 307       this.focus = true;
 308       this.send("getfocus");
 309     },
 310     onBlur: function() {
 311       this.focus = false;
 312       if (!!this.rematchOffer) {
 313         this.rematchOffer = "";
 314         this.send("rematchoffer", { data: false });
 315       }
 316       this.send("losefocus");
 317     },
 318     isLargeScreen: function() {
 319       return window.innerWidth >= 500;
 320     },
 321     gotoRules: function() {
 322       this.$router.push("/variants/" + this.game.vname);
 323     },
 324     participateInChat: function(p) {
 325       return Object.keys(p.tmpIds).some(x => p.tmpIds[x].focus) && !!p.name;
 326     },
 327     someAnonymousPresent: function() {
 328       return (
 329         Object.values(this.people).some(p =>
 330           !p.name && Object.keys(p.tmpIds).some(x => p.tmpIds[x].focus)
 331         )
 332       );
 333     },
 334     atCreation: function() {
 335       document.addEventListener('visibilitychange', this.visibilityChange);
 336       window.addEventListener('focus', this.onFocus);
 337       window.addEventListener('blur', this.onBlur);
 338       // 0] (Re)Set variables
 339       this.gameRef = this.$route.params["id"];
 340       // next = next corr games IDs to navigate faster (if applicable)
 341       this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 342       // Always add myself to players' list
 343       const my = this.st.user;
 344       const tmpId = getRandString();
 345       this.$set(
 346         this.people,
 347         my.sid,
 348         {
 349           id: my.id,
 350           name: my.name,
 351           tmpIds: {
 352             tmpId: { focus: true }
 353           }
 354         }
 355       );
 356       this.game = {
 357         players: [{ name: "" }, { name: "" }],
 358         chats: [],
 359         rendered: false
 360       };
 361       let chatComp = this.$refs["chatcomp"];
 362       if (!!chatComp) chatComp.chats = [];
 363       this.virtualClocks = [[0,0], [0,0]];
 364       this.vr = null;
 365       this.rulesContent = "";
 366       this.drawOffer = "";
 367       this.lastateAsked = false;
 368       this.rematchOffer = "";
 369       this.lastate = undefined;
 370       this.roomInitialized = false;
 371       this.askGameTime = 0;
 372       this.gameIsLoading = false;
 373       this.gotLastate = false;
 374       this.gotMoveIdx = -1;
 375       this.opponentGotMove = false;
 376       this.askLastate = null;
 377       this.retrySendmove = null;
 378       this.clockUpdate = null;
 379       this.newConnect = {};
 380       // 1] Initialize connection
 381       this.connexionString =
 382         params.socketUrl +
 383         "/?sid=" + this.st.user.sid +
 384         "&id=" + this.st.user.id +
 385         "&tmpId=" + tmpId +
 386         "&page=" +
 387         // Discard potential "/?next=[...]" for page indication:
 388         encodeURIComponent(this.$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 (this.st.user.sid == player.sid || this.st.user.id == player.id)
 441         // Still have to check for name (because of potential multi-accounts
 442         // on same browser, although this should be rare...)
 443         return (!this.st.user.name || this.st.user.name == player.name);
 444       // Try to find a match in people:
 445       return (
 446         (
 447           !!player.sid &&
 448           Object.keys(this.people).some(sid => {
 449             return (
 450               sid == player.sid &&
 451               Object.values(this.people[sid].tmpIds).some(v => v.focus)
 452             );
 453           })
 454         )
 455         ||
 456         (
 457           !!player.id &&
 458           Object.values(this.people).some(p => {
 459             return (
 460               p.id == player.id &&
 461               Object.values(p.tmpIds).some(v => v.focus)
 462             );
 463           })
 464         )
 465       );
 466     },
 467     getOppsid: function() {
 468       let oppsid = this.game.oppsid;
 469       if (!oppsid) {
 470         oppsid = Object.keys(this.people).find(
 471           sid => this.people[sid].id == this.game.oppid
 472         );
 473       }
 474       // oppsid is useful only if opponent is online:
 475       if (!!oppsid && !!this.people[oppsid]) return oppsid;
 476       return null;
 477     },
 478     // NOTE: action if provided is always a closing action
 479     toggleChat: function(action) {
 480       if (!action && document.getElementById("modalChat").checked)
 481         // Entering chat
 482         document.getElementById("inputChat").focus();
 483       else {
 484         document.getElementById("chatBtn").classList.remove("somethingnew");
 485         if (!!this.game.mycolor) {
 486           // Update "chatRead" variable either on server or locally
 487           if (this.game.type == "corr")
 488             this.updateCorrGame({ chatRead: this.game.mycolor });
 489           else if (this.game.type == "live")
 490             GameStorage.update(this.gameRef, { chatRead: true });
 491         }
 492       }
 493     },
 494     processChat: function(chat) {
 495       this.send("newchat", { data: chat });
 496       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 497       if (!!this.game.mycolor) {
 498         if (this.game.type == "corr")
 499           this.updateCorrGame({ chat: chat });
 500         else {
 501           // Live game
 502           chat.added = Date.now();
 503           GameStorage.update(this.gameRef, { chat: chat });
 504         }
 505       }
 506     },
 507     clearChat: function() {
 508       if (!!this.game.mycolor) {
 509         if (this.game.type == "corr") {
 510           ajax(
 511             "/chats",
 512             "DELETE",
 513             { data: { gid: this.game.id } }
 514           );
 515         } else {
 516           // Live game
 517           GameStorage.update(this.gameRef, { delchat: true });
 518         }
 519         this.$set(this.game, "chats", []);
 520       }
 521     },
 522     getGameType: function(game) {
 523       if (!!game.id.toString().match(/^i/)) return "import";
 524       return game.cadence.indexOf("d") >= 0 ? "corr" : "live";
 525     },
 526     // Notify something after a new move (to opponent and me on MyGames page)
 527     notifyMyGames: function(thing, data) {
 528       this.send(
 529         "notify" + thing,
 530         {
 531           data: data,
 532           targets: this.game.players.map(p => {
 533             return { sid: p.sid, id: p.id };
 534           })
 535         }
 536       );
 537     },
 538     showNextGame: function() {
 539       // Did I play in current game? If not, add it to nextIds list
 540       if (this.game.score == "*" && this.vr.turn == this.game.mycolor)
 541         this.nextIds.unshift(this.game.id);
 542       const nextGid = this.nextIds.pop();
 543       this.$router.push(
 544         "/game/" + nextGid + "/?next=" + JSON.stringify(this.nextIds));
 545     },
 546     askGameAgain: function() {
 547       this.gameIsLoading = true;
 548       const currentUrl = document.location.href;
 549       const doAskGame = () => {
 550         if (document.location.href != currentUrl) return; //page change
 551         this.fetchGame((game) => {
 552           if (!!game)
 553             // This is my game: just reload.
 554             this.loadGame(game);
 555           else
 556             // Just ask fullgame again (once!), this is much simpler.
 557             // If this fails, the user could just reload page :/
 558             this.send("askfullgame");
 559         });
 560       };
 561       // Delay of at least 2s between two game requests
 562       const now = Date.now();
 563       const delay = Math.max(2000 - (now - this.askGameTime), 0);
 564       this.askGameTime = now;
 565       setTimeout(doAskGame, delay);
 566     },
 567     socketMessageListener: function(msg) {
 568       if (!this.conn) return;
 569       const data = JSON.parse(msg.data);
 570       switch (data.code) {
 571         case "pollclients":
 572           // TODO: shuffling and random filtering on server,
 573           // if the room is really crowded.
 574           Object.keys(data.sockIds).forEach(sid => {
 575             if (sid != this.st.user.sid) {
 576               this.send("askidentity", { target: sid });
 577               this.people[sid] = { tmpIds: data.sockIds[sid] };
 578             }
 579             else {
 580               // Complete my tmpIds:
 581               Object.assign(this.people[sid].tmpIds, data.sockIds[sid]);
 582             }
 583           });
 584           break;
 585         case "connect":
 586           if (!this.people[data.from[0]]) {
 587             // focus depends on the tmpId (e.g. tab)
 588             this.$set(
 589               this.people,
 590               data.from[0],
 591               {
 592                 tmpIds: {
 593                   [data.from[1]]: { focus: true }
 594                 }
 595               }
 596             );
 597             // For self multi-connects tests:
 598             this.newConnect[data.from[0]] = true;
 599             this.send("askidentity", { target: data.from[0] });
 600           } else {
 601             this.people[data.from[0]].tmpIds[data.from[1]] = { focus: true };
 602             this.$forceUpdate(); //TODO: shouldn't be required
 603           }
 604           break;
 605         case "disconnect":
 606           if (!this.people[data.from[0]]) return;
 607           delete this.people[data.from[0]].tmpIds[data.from[1]];
 608           if (Object.keys(this.people[data.from[0]].tmpIds).length == 0)
 609             this.$delete(this.people, data.from[0]);
 610           else this.$forceUpdate(); //TODO: shouldn't be required
 611           break;
 612         case "getfocus": {
 613           let player = this.people[data.from[0]];
 614           if (!!player) {
 615             player.tmpIds[data.from[1]].focus = true;
 616             this.$forceUpdate(); //TODO: shouldn't be required
 617           }
 618           break;
 619         }
 620         case "losefocus": {
 621           let player = this.people[data.from[0]];
 622           if (!!player) {
 623             player.tmpIds[data.from[1]].focus = false;
 624             this.$forceUpdate(); //TODO: shouldn't be required
 625           }
 626           break;
 627         }
 628         case "askidentity": {
 629           // Request for identification
 630           const me = {
 631             // Decompose to avoid revealing email
 632             name: this.st.user.name,
 633             sid: this.st.user.sid,
 634             id: this.st.user.id
 635           };
 636           this.send("identity", { data: me, target: data.from });
 637           break;
 638         }
 639         case "identity": {
 640           const user = data.data;
 641           let player = this.people[user.sid];
 642           // player.tmpIds is already set
 643           player.name = user.name;
 644           player.id = user.id;
 645           if (this.game.type == "live") {
 646             const myGidx =
 647               this.game.players.findIndex(p => p.sid == this.st.user.sid);
 648             // Sometimes a player name isn't stored yet (TODO: why?)
 649             if (
 650               myGidx >= 0 &&
 651               !this.game.players[1 - myGidx].name &&
 652               this.game.players[1 - myGidx].sid == user.sid &&
 653               !!user.name
 654             ) {
 655               this.game.players[1-myGidx].name = user.name;
 656               GameStorage.update(
 657                 this.gameRef,
 658                 { playerName: { idx: 1 - myGidx, name: user.name } }
 659               );
 660             }
 661           }
 662           this.$forceUpdate(); //TODO: shouldn't be required
 663           // If I multi-connect, kill current connexion if no mark (I'm older)
 664           if (this.newConnect[user.sid]) {
 665             delete this.newConnect[user.sid];
 666             if (
 667               user.id > 0 &&
 668               user.id == this.st.user.id &&
 669               user.sid != this.st.user.sid
 670             ) {
 671               this.cleanBeforeDestroy();
 672               alert(this.st.tr["New connexion detected: tab now offline"]);
 673               break;
 674             }
 675           }
 676           // Ask potentially missed last state, if opponent and I play
 677           if (
 678             !this.gotLastate &&
 679             !!this.game.mycolor &&
 680             this.game.type == "live" &&
 681             this.game.score == "*" &&
 682             this.game.players.some(p => p.sid == user.sid)
 683           ) {
 684             this.send("asklastate", { target: user.sid });
 685             let counter = 1;
 686             this.askLastate = setInterval(
 687               () => {
 688                 // Ask at most 3 times:
 689                 // if no reply after that there should be a network issue.
 690                 if (
 691                   counter < 3 &&
 692                   !this.gotLastate &&
 693                   !!this.people[user.sid]
 694                 ) {
 695                   this.send("asklastate", { target: user.sid });
 696                   counter++;
 697                 } else {
 698                   clearInterval(this.askLastate);
 699                 }
 700               },
 701               1500
 702             );
 703           }
 704           break;
 705         }
 706         case "askgame":
 707           // Send current (live or import) game,
 708           // if not asked by any of the players
 709           if (
 710             this.game.type != "corr" &&
 711             this.game.players.every(p => p.sid != data.from[0])
 712           ) {
 713             const myGame = {
 714               id: this.game.id,
 715               // FEN is current position, unused for now
 716               fen: this.game.fen,
 717               players: this.game.players,
 718               vid: this.game.vid,
 719               cadence: this.game.cadence,
 720               score: this.game.score
 721             };
 722             this.send("game", { data: myGame, target: data.from });
 723           }
 724           break;
 725         case "askfullgame":
 726           const gameToSend = Object.keys(this.game)
 727             .filter(k =>
 728               [
 729                 "id","fen","players","vid","cadence","fenStart","vname",
 730                 "moves","clocks","score","drawOffer","rematchOffer"
 731               ].includes(k))
 732             .reduce(
 733               (obj, k) => {
 734                 obj[k] = this.game[k];
 735                 return obj;
 736               },
 737               {}
 738             );
 739           this.send("fullgame", { data: gameToSend, target: data.from });
 740           break;
 741         case "fullgame":
 742           if (!!data.data.empty) {
 743             alert(this.st.tr["The game should be in another tab"]);
 744             this.$router.go(-1);
 745           }
 746           else
 747             // Callback "roomInit" to poll clients only after game is loaded
 748             this.loadVariantThenGame(data.data, this.roomInit);
 749           break;
 750         case "asklastate":
 751           // Sending informative last state if I played a move or score != "*"
 752           // If the game or moves aren't loaded yet, delay the sending:
 753           // TODO: socket init after game load, so the game is supposedly ready
 754           if (!this.game || !this.game.moves) this.lastateAsked = true;
 755           else this.sendLastate(data.from);
 756           break;
 757         case "lastate": {
 758           // Got opponent infos about last move
 759           this.gotLastate = true;
 760           this.lastate = data.data;
 761           if (this.game.rendered)
 762             // Game is rendered (Board component)
 763             this.processLastate();
 764           // Else: will be processed when game is ready
 765           break;
 766         }
 767         case "newmove": {
 768           const movePlus = data.data;
 769           const movesCount = this.game.moves.length;
 770           if (movePlus.index > movesCount) {
 771             // This can only happen if I'm an observer and missed a move.
 772             if (this.gotMoveIdx < movePlus.index)
 773               this.gotMoveIdx = movePlus.index;
 774             if (!this.gameIsLoading) this.askGameAgain();
 775           }
 776           else {
 777             if (
 778               movePlus.index < movesCount ||
 779               this.gotMoveIdx >= movePlus.index
 780             ) {
 781               // Opponent re-send but we already have the move:
 782               // (maybe he didn't receive our pingback...)
 783               this.send("gotmove", {data: movePlus.index, target: data.from});
 784             } else {
 785               this.gotMoveIdx = movePlus.index;
 786               const receiveMyMove = (movePlus.color == this.game.mycolor);
 787               const moveColIdx = ["w", "b"].indexOf(movePlus.color);
 788               if (!receiveMyMove && !!this.game.mycolor) {
 789                 // Notify opponent that I got the move:
 790                 this.send(
 791                   "gotmove",
 792                   { data: movePlus.index, target: data.from }
 793                 );
 794                 // And myself if I'm elsewhere:
 795                 if (!this.focus) {
 796                   notify(
 797                     "New move",
 798                     {
 799                       body:
 800                         (this.game.players[moveColIdx].name || "@nonymous") +
 801                         " just played."
 802                     }
 803                   );
 804                 }
 805               }
 806               if (movePlus.cancelDrawOffer) {
 807                 // Opponent refuses draw
 808                 this.drawOffer = "";
 809                 // NOTE for corr games: drawOffer reset by player in turn
 810                 if (
 811                   this.game.type == "live" &&
 812                   !!this.game.mycolor &&
 813                   !receiveMyMove
 814                 ) {
 815                   GameStorage.update(this.gameRef, { drawOffer: "" });
 816                 }
 817               }
 818               this.$refs["basegame"].play(movePlus.move, "received");
 819               this.game.clocks[moveColIdx] = movePlus.clock;
 820               this.processMove(
 821                 movePlus.move,
 822                 { receiveMyMove: receiveMyMove }
 823               );
 824             }
 825           }
 826           break;
 827         }
 828         case "gotmove": {
 829           this.opponentGotMove = true;
 830           // Now his clock starts running on my side:
 831           const oppIdx = ['w','b'].indexOf(this.vr.turn);
 832           // NOTE: next line to avoid multi-resetClocks when several tabs
 833           // on same game, resulting in a faster countdown.
 834           if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 835           this.re_setClocks();
 836           break;
 837         }
 838         case "resign":
 839           const score = (data.data == "b" ? "1-0" : "0-1");
 840           const side = (data.data == "w" ? "White" : "Black");
 841           this.gameOver(score, side + " surrender");
 842           break;
 843         case "abort":
 844           this.gameOver("?", "Stop");
 845           break;
 846         case "draw":
 847           this.gameOver("1/2", data.data);
 848           break;
 849         case "drawoffer":
 850           // NOTE: observers don't know who offered draw
 851           this.drawOffer = "received";
 852           if (!!this.game.mycolor && this.game.type == "live") {
 853             GameStorage.update(
 854               this.gameRef,
 855               { drawOffer: V.GetOppCol(this.game.mycolor) }
 856             );
 857           }
 858           break;
 859         case "rematchoffer":
 860           // NOTE: observers don't know who offered rematch
 861           this.rematchOffer = data.data ? "received" : "";
 862           if (!!this.game.mycolor && this.game.type == "live") {
 863             GameStorage.update(
 864               this.gameRef,
 865               { rematchOffer: V.GetOppCol(this.game.mycolor) }
 866             );
 867           }
 868           break;
 869         case "newgame": {
 870           // A game started, redirect if I'm playing in
 871           const gameInfo = data.data;
 872           const gameType = this.getGameType(gameInfo);
 873           if (
 874             gameType == "live" &&
 875             gameInfo.players.some(p => p.sid == this.st.user.sid)
 876           ) {
 877             this.addAndGotoLiveGame(gameInfo);
 878           } else if (
 879             gameType == "corr" &&
 880             gameInfo.players.some(p => p.id == this.st.user.id)
 881           ) {
 882             this.$router.push("/game/" + gameInfo.id);
 883           } else {
 884             this.rematchId = gameInfo.id;
 885             document.getElementById("modalRules").checked = false;
 886             document.getElementById("modalScore").checked = false;
 887             document.getElementById("modalRematch").checked = true;
 888           }
 889           break;
 890         }
 891         case "newchat": {
 892           let chat = data.data;
 893           this.$refs["chatcomp"].newChat(chat);
 894           if (this.game.type == "live") {
 895             chat.added = Date.now();
 896             if (!!this.game.mycolor)
 897               GameStorage.update(this.gameRef, { chat: chat });
 898           }
 899           if (!document.getElementById("modalChat").checked)
 900             document.getElementById("chatBtn").classList.add("somethingnew");
 901           break;
 902         }
 903       }
 904     },
 905     updateCorrGame: function(obj, callback) {
 906       ajax(
 907         "/games",
 908         "PUT",
 909         {
 910           data: {
 911             gid: this.gameRef,
 912             newObj: obj
 913           },
 914           success: () => {
 915             if (!!callback) callback();
 916           }
 917         }
 918       );
 919     },
 920     sendLastate: function(target) {
 921       // Send our "last state" informations to opponent
 922       const L = this.game.moves.length;
 923       const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 924       const myLastate = {
 925         lastMove:
 926           (L > 0 && this.vr.turn != this.game.mycolor)
 927             ? this.game.moves[L - 1]
 928             : undefined,
 929         clock: this.game.clocks[myIdx],
 930         // Since we played a move (or abort or resign),
 931         // only drawOffer=="sent" is possible
 932         drawSent: this.drawOffer == "sent",
 933         rematchSent: this.rematchOffer == "sent",
 934         score: this.game.score != "*" ? this.game.score : undefined,
 935         scoreMsg: this.game.score != "*" ? this.game.scoreMsg : undefined,
 936         movesCount: L
 937       };
 938       this.send("lastate", { data: myLastate, target: target });
 939     },
 940     // lastate was received, but maybe game wasn't ready yet:
 941     processLastate: function() {
 942       const data = this.lastate;
 943       this.lastate = undefined; //security...
 944       const L = this.game.moves.length;
 945       const oppIdx = 1 - ["w", "b"].indexOf(this.game.mycolor);
 946       this.game.clocks[oppIdx] = data.clock;
 947       if (data.movesCount > L) {
 948         // Just got last move from him
 949         this.$refs["basegame"].play(data.lastMove, "received");
 950         this.processMove(data.lastMove);
 951       } else {
 952         if (!!this.clockUpdate) clearInterval(this.clockUpdate);
 953         this.re_setClocks();
 954       }
 955       if (data.drawSent) this.drawOffer = "received";
 956       if (data.rematchSent) this.rematchOffer = "received";
 957       if (!!data.score) {
 958         this.drawOffer = "";
 959         if (this.game.score == "*")
 960           this.gameOver(data.score, data.scoreMsg);
 961       }
 962     },
 963     clickDraw: function() {
 964       if (!this.game.mycolor || this.game.type == "import") return;
 965       if (["received", "threerep"].includes(this.drawOffer)) {
 966         if (!confirm(this.st.tr["Accept draw?"])) return;
 967         const message =
 968           this.drawOffer == "received"
 969             ? "Mutual agreement"
 970             : "Three repetitions";
 971         this.send("draw", { data: message });
 972         this.gameOver("1/2", message);
 973       } else if (this.drawOffer == "") {
 974         // No effect if drawOffer == "sent"
 975         if (this.game.mycolor != this.vr.turn) {
 976           alert(this.st.tr["Draw offer only in your turn"]);
 977           return;
 978         }
 979         if (!confirm(this.st.tr["Offer draw?"])) return;
 980         this.drawOffer = "sent";
 981         this.send("drawoffer");
 982         if (this.game.type == "live") {
 983           GameStorage.update(
 984             this.gameRef,
 985             { drawOffer: this.game.mycolor }
 986           );
 987         } else this.updateCorrGame({ drawOffer: this.game.mycolor });
 988       }
 989     },
 990     addAndGotoLiveGame: function(gameInfo, callback) {
 991       const game = Object.assign(
 992         {},
 993         gameInfo,
 994         {
 995           // (other) Game infos: constant
 996           fenStart: gameInfo.fen,
 997           vname: this.game.vname,
 998           created: Date.now(),
 999           // Game state (including FEN): will be updated
1000           moves: [],
1001           clocks: [-1, -1], //-1 = unstarted
1002           score: "*"
1003         }
1004       );
1005       GameStorage.add(game, (err) => {
1006         // No error expected.
1007         if (!err) {
1008           if (this.st.settings.sound)
1009             new Audio("/sounds/newgame.flac").play().catch(() => {});
1010           if (!!callback) callback();
1011           this.$router.push("/game/" + gameInfo.id);
1012         }
1013       });
1014     },
1015     clickRematch: function() {
1016       if (!this.game.mycolor || this.game.type == "import") return;
1017       if (this.rematchOffer == "received") {
1018         // Start a new game!
1019         let gameInfo = {
1020           id: getRandString(), //ignored if corr
1021           fen: V.GenRandInitFen(this.game.randomness),
1022           players: this.game.players.reverse(),
1023           vid: this.game.vid,
1024           cadence: this.game.cadence
1025         };
1026         const notifyNewGame = () => {
1027           const oppsid = this.getOppsid(); //may be null
1028           this.send("rnewgame", { data: gameInfo, oppsid: oppsid });
1029           // To main Hall if corr game:
1030           if (this.game.type == "corr")
1031             this.send("newgame", { data: gameInfo, page: "/" });
1032           // Also to MyGames page:
1033           this.notifyMyGames("newgame", gameInfo);
1034         };
1035         if (this.game.type == "live")
1036           this.addAndGotoLiveGame(gameInfo, notifyNewGame);
1037         else {
1038           // corr game
1039           ajax(
1040             "/games",
1041             "POST",
1042             {
1043               // cid is useful to delete the challenge:
1044               data: { gameInfo: gameInfo },
1045               success: (response) => {
1046                 gameInfo.id = response.gameId;
1047                 notifyNewGame();
1048                 this.$router.push("/game/" + response.gameId);
1049               }
1050             }
1051           );
1052         }
1053       } else if (this.rematchOffer == "") {
1054         this.rematchOffer = "sent";
1055         this.send("rematchoffer", { data: true });
1056         if (this.game.type == "live") {
1057           GameStorage.update(
1058             this.gameRef,
1059             { rematchOffer: this.game.mycolor }
1060           );
1061         } else this.updateCorrGame({ rematchOffer: this.game.mycolor });
1062       } else if (this.rematchOffer == "sent") {
1063         // Toggle rematch offer (on --> off)
1064         this.rematchOffer = "";
1065         this.send("rematchoffer", { data: false });
1066         if (this.game.type == "live") {
1067           GameStorage.update(
1068             this.gameRef,
1069             { rematchOffer: '' }
1070           );
1071         } else this.updateCorrGame({ rematchOffer: 'n' });
1072       }
1073     },
1074     abortGame: function() {
1075       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"]))
1076         return;
1077       this.gameOver("?", "Stop");
1078       this.send("abort");
1079     },
1080     resign: function() {
1081       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
1082         return;
1083       this.send("resign", { data: this.game.mycolor });
1084       const score = (this.game.mycolor == "w" ? "0-1" : "1-0");
1085       const side = (this.game.mycolor == "w" ? "White" : "Black");
1086       this.gameOver(score, side + " surrender");
1087     },
1088     loadGame: function(game, callback) {
1089       const gtype = game.type || this.getGameType(game);
1090       const tc = extractTime(game.cadence);
1091       const myIdx = game.players.findIndex(p => {
1092         return p.sid == this.st.user.sid || p.id == this.st.user.id;
1093       });
1094       // Sometimes the name isn't stored yet (TODO: why?)
1095       if (
1096         myIdx >= 0 &&
1097         gtype == "live" &&
1098         !game.players[myIdx].name &&
1099         !!this.st.user.name
1100       ) {
1101         game.players[myIdx].name = this.st.user.name;
1102         GameStorage.update(
1103           game.id,
1104           { playerName: { idx: myIdx, name: this.st.user.name } }
1105         );
1106       }
1107       // "mycolor" is undefined for observers
1108       const mycolor = [undefined, "w", "b"][myIdx + 1];
1109       if (gtype == "corr") {
1110         if (mycolor == 'w') game.chatRead = game.chatReadWhite;
1111         else if (mycolor == 'b') game.chatRead = game.chatReadBlack;
1112         // NOTE: clocks in seconds
1113         game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
1114         game.clocks = [tc.mainTime, tc.mainTime];
1115         const L = game.moves.length;
1116         if (game.score == "*") {
1117           // Adjust clocks
1118           if (L >= 2) {
1119             game.clocks[L % 2] -=
1120               (Date.now() - game.moves[L-1].played) / 1000;
1121           }
1122         }
1123         // Now that we used idx and played, re-format moves as for live games
1124         game.moves = game.moves.map(m => m.squares);
1125       }
1126       else if (gtype == "live") {
1127         if (game.clocks[0] < 0) {
1128           // Game is unstarted. clock is ignored until move 2
1129           game.clocks = [tc.mainTime, tc.mainTime];
1130           if (myIdx >= 0) {
1131             // I play in this live game
1132             GameStorage.update(
1133               game.id,
1134               { clocks: game.clocks }
1135             );
1136           }
1137         } else {
1138           if (!!game.initime)
1139             // It's my turn: clocks not updated yet
1140             game.clocks[myIdx] -= (Date.now() - game.initime) / 1000;
1141         }
1142       }
1143       else
1144         // gtype == "import"
1145         game.clocks = [tc.mainTime, tc.mainTime];
1146       // Live games before 26/03/2020 don't have chat history:
1147       if (!game.chats) game.chats = []; //TODO: remove line
1148       // Sort chat messages from newest to oldest
1149       game.chats.sort((c1, c2) => c2.added - c1.added);
1150       if (
1151         myIdx >= 0 &&
1152         game.chats.length > 0 &&
1153         (!game.chatRead || game.chatRead < game.chats[0].added)
1154       ) {
1155         // A chat message arrived since my last reading:
1156         document.getElementById("chatBtn").classList.add("somethingnew");
1157       }
1158       // TODO: merge next 2 "if" conditions
1159       if (!!game.drawOffer) {
1160         if (game.drawOffer == "t")
1161           // Three repetitions
1162           this.drawOffer = "threerep";
1163         else {
1164           // Draw offered by any of the players:
1165           if (myIdx < 0) this.drawOffer = "received";
1166           else {
1167             // I play in this game:
1168             if (
1169               (game.drawOffer == "w" && myIdx == 0) ||
1170               (game.drawOffer == "b" && myIdx == 1)
1171             )
1172               this.drawOffer = "sent";
1173             else this.drawOffer = "received";
1174           }
1175         }
1176       }
1177       if (!!game.rematchOffer) {
1178         if (myIdx < 0) this.rematchOffer = "received";
1179         else {
1180           // I play in this game:
1181           if (
1182             (game.rematchOffer == "w" && myIdx == 0) ||
1183             (game.rematchOffer == "b" && myIdx == 1)
1184           )
1185             this.rematchOffer = "sent";
1186           else this.rematchOffer = "received";
1187         }
1188       }
1189       this.repeat = {}; //reset: scan past moves' FEN:
1190       let repIdx = 0;
1191       this.vr = new V(game.fenStart);
1192       let curTurn = "n";
1193       game.moves.forEach(m => {
1194         playMove(m, this.vr);
1195         const fenIdx = this.vr.getFenForRepeat();
1196         this.repeat[fenIdx] = this.repeat[fenIdx]
1197           ? this.repeat[fenIdx] + 1
1198           : 1;
1199       });
1200       // Imported games don't have current FEN
1201       if (!game.fen) game.fen = this.vr.getFen();
1202       if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
1203       this.game = Object.assign(
1204         // NOTE: assign mycolor here, since BaseGame could also be VS computer
1205         {
1206           type: gtype,
1207           increment: tc.increment,
1208           mycolor: mycolor,
1209           // opponent sid not strictly required (or available), but easier
1210           // at least oppsid or oppid is available anyway:
1211           oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
1212           oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].id
1213         },
1214         game
1215       );
1216       this.$refs["basegame"].re_setVariables(this.game);
1217       if (!this.gameIsLoading) {
1218         // Initial loading:
1219         this.gotMoveIdx = game.moves.length - 1;
1220         // If we arrive here after 'nextGame' action, the board might be hidden
1221         let boardDiv = document.querySelector(".game");
1222         if (!!boardDiv && boardDiv.style.visibility == "hidden")
1223           boardDiv.style.visibility = "visible";
1224       }
1225       this.re_setClocks();
1226       this.$nextTick(() => {
1227         this.game.rendered = true;
1228         // Did lastate arrive before game was rendered?
1229         if (this.lastate) this.processLastate();
1230       });
1231       if (this.lastateAsked) {
1232         this.lastateAsked = false;
1233         this.sendLastate(game.oppsid);
1234       }
1235       if (this.gameIsLoading) {
1236         this.gameIsLoading = false;
1237         if (this.gotMoveIdx >= game.moves.length)
1238           // Some moves arrived meanwhile...
1239           this.askGameAgain();
1240       }
1241       if (!!callback) callback();
1242     },
1243     loadVariantThenGame: async function(game, callback) {
1244       await import("@/variants/" + game.vname + ".js")
1245       .then((vModule) => {
1246         window.V = vModule[game.vname + "Rules"];
1247         this.loadGame(game, callback);
1248       });
1249       // (AJAX) Request to get rules content (plain text, HTML)
1250       this.rulesContent =
1251         require(
1252           "raw-loader!@/translations/rules/" +
1253           game.vname + "/" +
1254           this.st.lang + ".pug"
1255         )
1256         // Next two lines fix a weird issue after last update (2019-11)
1257         .replace(/\\n/g, " ")
1258         .replace(/\\"/g, '"')
1259         .replace('module.exports = "', "")
1260         .replace(/"$/, "")
1261         .replace(/(fen:)([^:]*):/g, replaceByDiag);
1262     },
1263     // 3 cases for loading a game:
1264     //  - from indexedDB (running or completed live game I play)
1265     //  - from server (one correspondance game I play[ed] or not)
1266     //  - from remote peer (one live game I don't play, finished or not)
1267     fetchGame: function(callback) {
1268       if (Number.isInteger(this.gameRef) || !isNaN(parseInt(this.gameRef))) {
1269         // corr games identifiers are integers
1270         ajax(
1271           "/games",
1272           "GET",
1273           {
1274             data: { gid: this.gameRef },
1275             success: (res) => {
1276               res.game.moves.forEach(m => {
1277                 m.squares = JSON.parse(m.squares);
1278               });
1279               callback(res.game);
1280             }
1281           }
1282         );
1283       }
1284       else if (!!this.gameRef.match(/^i/))
1285         // Game import (maybe remote)
1286         ImportgameStorage.get(this.gameRef, callback);
1287       else
1288         // Local live game (or remote)
1289         GameStorage.get(this.gameRef, callback);
1290     },
1291     re_setClocks: function() {
1292       this.virtualClocks = this.game.clocks.map(s => ppt(s).split(':'));
1293       if (this.game.moves.length < 2 || this.game.score != "*") {
1294         // 1st move not completed yet, or game over: freeze time
1295         return;
1296       }
1297       const currentTurn = this.vr.turn;
1298       const currentMovesCount = this.game.moves.length;
1299       const colorIdx = ["w", "b"].indexOf(currentTurn);
1300       this.clockUpdate = setInterval(
1301         () => {
1302           if (
1303             this.game.clocks[colorIdx] < 0 ||
1304             this.game.moves.length > currentMovesCount ||
1305             this.game.score != "*"
1306           ) {
1307             clearInterval(this.clockUpdate);
1308             this.clockUpdate = null;
1309             if (this.game.clocks[colorIdx] < 0)
1310               this.gameOver(
1311                 currentTurn == "w" ? "0-1" : "1-0",
1312                 "Time"
1313               );
1314           } else {
1315             this.$set(
1316               this.virtualClocks,
1317               colorIdx,
1318               ppt(Math.max(0, --this.game.clocks[colorIdx])).split(':')
1319             );
1320           }
1321         },
1322         1000
1323       );
1324     },
1325     // Update variables and storage after a move:
1326     processMove: function(move, data) {
1327       if (this.game.type == "import")
1328         // Shouldn't receive any messages in this mode:
1329         return;
1330       if (!data) data = {};
1331       const moveCol = this.vr.turn;
1332       const colorIdx = ["w", "b"].indexOf(moveCol);
1333       const nextIdx = 1 - colorIdx;
1334       const doProcessMove = () => {
1335         const origMovescount = this.game.moves.length;
1336         // The move is (about to be) played: stop clock
1337         clearInterval(this.clockUpdate);
1338         this.clockUpdate = null;
1339         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1340           if (this.drawOffer == "received")
1341             // I refuse draw
1342             this.drawOffer = "";
1343           if (this.game.type == "live" && origMovescount >= 2) {
1344             this.game.clocks[colorIdx] += this.game.increment;
1345             // For a correct display in casqe of disconnected opponent:
1346             this.$set(
1347               this.virtualClocks,
1348               colorIdx,
1349               ppt(this.game.clocks[colorIdx]).split(':')
1350             );
1351             GameStorage.update(this.gameRef, {
1352               // It's not my turn anymore:
1353               initime: null
1354             });
1355           }
1356         }
1357         // Update current game object:
1358         playMove(move, this.vr);
1359         if (!data.score)
1360           // Received move, score is computed in BaseGame, but maybe not yet.
1361           // ==> Compute it here, although this is redundant (TODO)
1362           data.score = this.vr.getCurrentScore();
1363         if (data.score != "*") this.gameOver(data.score);
1364         this.game.moves.push(move);
1365         this.game.fen = this.vr.getFen();
1366         if (this.game.type == "corr") {
1367           // In corr games, just reset clock to mainTime:
1368           this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
1369         }
1370         // If repetition detected, consider that a draw offer was received:
1371         const fenObj = this.vr.getFenForRepeat();
1372         this.repeat[fenObj] =
1373           !!this.repeat[fenObj]
1374             ? this.repeat[fenObj] + 1
1375             : 1;
1376         if (this.repeat[fenObj] >= 3) this.drawOffer = "threerep";
1377         else if (this.drawOffer == "threerep") this.drawOffer = "";
1378         if (!!this.game.mycolor && !data.receiveMyMove) {
1379           // NOTE: 'var' to see that variable outside this block
1380           var filtered_move = getFilteredMove(move);
1381         }
1382         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1383           // Notify turn on MyGames page:
1384           this.notifyMyGames(
1385             "turn",
1386             {
1387               gid: this.gameRef,
1388               turn: this.vr.turn
1389             }
1390           );
1391         }
1392         // Since corr games are stored at only one location, update should be
1393         // done only by one player for each move:
1394         if (
1395           this.game.type == "live" &&
1396           !!this.game.mycolor &&
1397           moveCol != this.game.mycolor &&
1398           this.game.moves.length >= 2
1399         ) {
1400           // Receive a move: update initime
1401           this.game.initime = Date.now();
1402           GameStorage.update(this.gameRef, {
1403             // It's my turn now!
1404             initime: this.game.initime
1405           });
1406         }
1407         if (
1408           !!this.game.mycolor &&
1409           !data.receiveMyMove &&
1410           (this.game.type == "live" || moveCol == this.game.mycolor)
1411         ) {
1412           let drawCode = "";
1413           switch (this.drawOffer) {
1414             case "threerep":
1415               drawCode = "t";
1416               break;
1417             case "sent":
1418               drawCode = this.game.mycolor;
1419               break;
1420             case "received":
1421               drawCode = V.GetOppCol(this.game.mycolor);
1422               break;
1423           }
1424           if (this.game.type == "corr") {
1425             // corr: only move, fen and score
1426             this.updateCorrGame({
1427               fen: this.game.fen,
1428               move: {
1429                 squares: filtered_move,
1430                 idx: origMovescount
1431               },
1432               // Code "n" for "None" to force reset (otherwise it's ignored)
1433               drawOffer: drawCode || "n"
1434             });
1435           }
1436           else {
1437             const updateStorage = () => {
1438               GameStorage.update(this.gameRef, {
1439                 fen: this.game.fen,
1440                 move: filtered_move,
1441                 moveIdx: origMovescount,
1442                 clocks: this.game.clocks,
1443                 drawOffer: drawCode
1444               });
1445             };
1446             // The active tab can update storage immediately
1447             if (this.focus) updateStorage();
1448             // Small random delay otherwise
1449             else setTimeout(updateStorage, 500 + 1000 * Math.random());
1450           }
1451         }
1452         // Send move ("newmove" event) to people in the room (if our turn)
1453         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
1454           let sendMove = {
1455             move: filtered_move,
1456             index: origMovescount,
1457             // color is required to check if this is my move
1458             // (if several tabs opened)
1459             color: moveCol,
1460             cancelDrawOffer: this.drawOffer == ""
1461           };
1462           if (this.game.type == "live")
1463             sendMove["clock"] = this.game.clocks[colorIdx];
1464           // (Live) Clocks will re-start when the opponent pingback arrive
1465           this.opponentGotMove = false;
1466           this.send("newmove", {data: sendMove});
1467           // If the opponent doesn't reply gotmove soon enough, re-send move:
1468           // Do this at most 2 times, because mpore would mean network issues,
1469           // opponent would then be expected to disconnect/reconnect.
1470           let counter = 1;
1471           const currentUrl = document.location.href;
1472           this.retrySendmove = setInterval(
1473             () => {
1474               if (
1475                 counter >= 3 ||
1476                 this.opponentGotMove ||
1477                 document.location.href != currentUrl //page change
1478               ) {
1479                 clearInterval(this.retrySendmove);
1480                 return;
1481               }
1482               const oppsid = this.getOppsid();
1483               if (!oppsid)
1484                 // Opponent is disconnected: he'll ask last state
1485                 clearInterval(this.retrySendmove);
1486               else {
1487                 this.send("newmove", { data: sendMove, target: oppsid });
1488                 counter++;
1489               }
1490             },
1491             1500
1492           );
1493         }
1494         else
1495           // Not my move or I'm an observer: just start other player's clock
1496           this.re_setClocks();
1497       };
1498       if (
1499         this.game.type == "corr" &&
1500         moveCol == this.game.mycolor &&
1501         !data.receiveMyMove
1502       ) {
1503         let boardDiv = document.querySelector(".game");
1504         const afterSetScore = () => {
1505           doProcessMove();
1506           if (this.st.settings.gotonext && this.nextIds.length > 0)
1507             this.showNextGame();
1508           else {
1509             // The board might have been hidden:
1510             if (boardDiv.style.visibility == "hidden")
1511               boardDiv.style.visibility = "visible";
1512             if (data.score == "*") this.re_setClocks();
1513           }
1514         };
1515         let el = document.querySelector("#buttonsConfirm > .acceptBtn");
1516         // We may play several moves in a row: in case of, remove listener:
1517         let elClone = el.cloneNode(true);
1518         el.parentNode.replaceChild(elClone, el);
1519         elClone.addEventListener(
1520           "click",
1521           () => {
1522             document.getElementById("modalConfirm").checked = false;
1523             if (!!data.score && data.score != "*")
1524               // Set score first
1525               this.gameOver(data.score, null, afterSetScore);
1526             else afterSetScore();
1527           }
1528         );
1529         // PlayOnBoard is enough, and more appropriate for Synchrone Chess
1530         const arMove = (Array.isArray(move) ? move : [move]);
1531         for (let i = 0; i < arMove.length; i++)
1532           V.PlayOnBoard(this.vr.board, arMove[i]);
1533         const position = this.vr.getBaseFen();
1534         for (let i = arMove.length - 1; i >= 0; i--)
1535           V.UndoOnBoard(this.vr.board, arMove[i]);
1536         if (["all","byrow"].includes(V.ShowMoves)) {
1537           this.curDiag = getDiagram({
1538             position: position,
1539             orientation: V.CanFlip ? this.game.mycolor : "w"
1540           });
1541           document.querySelector("#confirmDiv > .card").style.width =
1542             boardDiv.offsetWidth + "px";
1543         } else {
1544           // Incomplete information: just ask confirmation
1545           // Hide the board, because otherwise it could reveal infos
1546           boardDiv.style.visibility = "hidden";
1547           this.moveNotation = getFullNotation(move);
1548         }
1549         document.getElementById("modalConfirm").checked = true;
1550       }
1551       else {
1552         // Normal situation
1553         if (!!data.score && data.score != "*")
1554           this.gameOver(data.score, null, doProcessMove);
1555         else doProcessMove();
1556       }
1557     },
1558     cancelMove: function() {
1559       let boardDiv = document.querySelector(".game");
1560       if (boardDiv.style.visibility == "hidden")
1561         boardDiv.style.visibility = "visible";
1562       document.getElementById("modalConfirm").checked = false;
1563       this.$refs["basegame"].cancelLastMove();
1564     },
1565     // In corr games, callback to change page only after score is set:
1566     gameOver: function(score, scoreMsg, callback) {
1567       this.game.score = score;
1568       if (!scoreMsg) scoreMsg = getScoreMessage(score);
1569       this.game.scoreMsg = scoreMsg;
1570       document.getElementById("modalRules").checked = false;
1571       // Display result in a un-missable way:
1572       document.getElementById("modalScore").checked = true;
1573       this.$set(this.game, "scoreMsg", scoreMsg);
1574       const myIdx = this.game.players.findIndex(p => {
1575         return p.sid == this.st.user.sid || p.id == this.st.user.id;
1576       });
1577       if (myIdx >= 0) {
1578         // OK, I play in this game
1579         const scoreObj = {
1580           score: score,
1581           scoreMsg: scoreMsg
1582         };
1583         if (this.game.type == "live") {
1584           GameStorage.update(this.gameRef, scoreObj);
1585           // Notify myself locally if I'm elsewhere:
1586           if (!this.focus) {
1587             notify(
1588               "Game over",
1589               { body: score + " : " + scoreMsg }
1590             );
1591           }
1592           if (!!callback) callback();
1593         }
1594         else this.updateCorrGame(scoreObj, callback);
1595         // Notify the score to main Hall.
1596         // TODO: only one player (currently double send)
1597         this.send("result", { gid: this.game.id, score: score });
1598         // Also to MyGames page (TODO: doubled as well...)
1599         this.notifyMyGames(
1600           "score",
1601           {
1602             gid: this.gameRef,
1603             score: score
1604           }
1605         );
1606       }
1607       else if (!!callback) callback();
1608     }
1609   }
1610 };
1611 </script>
1612
1613 <style lang="sass" scoped>
1614 #scoreDiv > .card, #rematchDiv > .card
1615   padding: 10px 0
1616   max-width: 430px
1617
1618 #rulesDiv > .card
1619   padding: 5px 0
1620   max-width: 50%
1621   max-height: 100%
1622   @media screen and (max-width: 1500px)
1623     max-width: 67%
1624   @media screen and (max-width: 1024px)
1625     max-width: 85%
1626   @media screen and (max-width: 767px)
1627     max-width: 100%
1628
1629 p.score-section
1630   margin: 0
1631   font-size: 1.3em
1632   span.score
1633     font-weight: bold
1634
1635 .connected
1636   background-color: lightgreen
1637
1638 #participants
1639   margin-left: 5px
1640
1641 .anonymous
1642   color: grey
1643   font-style: italic
1644
1645 #playersInfo > p
1646   margin: 0
1647
1648 @media screen and (max-width: 767px)
1649   .game
1650     width: 100%
1651
1652 #actions
1653   display: inline-block
1654   margin: 0
1655
1656 button
1657   display: inline-block
1658   margin: 0
1659   display: inline-flex
1660   img
1661     height: 22px
1662     display: flex
1663     @media screen and (max-width: 767px)
1664       height: 18px
1665
1666 #aboveBoard
1667   text-align: center
1668
1669 .variant-cadence
1670   padding-right: 10px
1671
1672 .variant-name
1673   font-weight: bold
1674   padding-right: 10px
1675
1676 span#nextGame
1677   background-color: #edda99
1678   cursor: pointer
1679   display: inline-block
1680   margin-right: 10px
1681
1682 span.separator
1683   display: inline-block
1684   margin: 0
1685   padding: 0
1686   width: 10px
1687
1688 span.name
1689   font-size: 1.5rem
1690   padding: 0 3px
1691
1692 span.time
1693   font-size: 2rem
1694   display: inline-block
1695   .time-left
1696     margin-left: 10px
1697   .time-right
1698     margin-left: 5px
1699   .time-separator
1700     margin-left: 5px
1701     position: relative
1702     top: -1px
1703
1704 span.yourturn
1705   color: #831B1B
1706   .time-separator
1707     animation: blink-animation 2s steps(3, start) infinite
1708 @keyframes blink-animation
1709   to
1710     visibility: hidden
1711
1712 .split-names
1713   display: inline-block
1714   margin: 0 15px
1715
1716 #chatWrap > .card
1717   padding-top: 20px
1718   max-width: 767px
1719   border: none
1720
1721 #confirmDiv > .card
1722   max-width: 767px
1723   max-height: 100%
1724
1725 .draw-sent, .draw-sent:hover
1726   background-color: lightyellow
1727
1728 .draw-received, .draw-received:hover
1729   background-color: lightgreen
1730
1731 .draw-threerep, .draw-threerep:hover
1732   background-color: #e4d1fc
1733
1734 .rematch-sent, .rematch-sent:hover
1735   background-color: lightyellow
1736
1737 .rematch-received, .rematch-received:hover
1738   background-color: lightgreen
1739
1740 .somethingnew
1741   background-color: #c5fefe
1742
1743 .diagram
1744   margin: 0 auto
1745   width: 100%
1746
1747 #buttonsConfirm
1748   margin: 0
1749   & > button > span
1750     width: 100%
1751     text-align: center
1752
1753 button.acceptBtn
1754   background-color: lightgreen
1755 button.refuseBtn
1756   background-color: red
1757
1758 h4#variantNameInGame
1759   cursor: pointer
1760   text-align: center
1761   text-decoration: underline
1762   font-weight: bold
1763 </style>
1764
1765 <style lang="sass">
1766 @import "@/styles/_rules.sass"
1767 @import "@/styles/_board_squares_img.sass"
1768 </style>