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