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