client/src/views/Game.vue

   1 <template lang="pug">
   2 main
   3   input#modalChat.modal(
   4     type="checkbox"
   5     @click="resetChatColor()"
   6   )
   7   div#chatWrap(
   8     role="dialog"
   9     data-checkbox="modalChat"
  10   )
  11     #chat.card
  12       label.modal-close(for="modalChat")
  13       #participants
  14         span {{ Object.keys(people).length + " " + st.tr["participant(s):"] }}
  15         span(
  16           v-for="p in Object.values(people)"
  17           v-if="p.name"
  18         )
  19           | {{ p.name }}
  20         span.anonymous(v-if="Object.values(people).some(p => !p.name && p.id === 0)")
  21           | + @nonymous
  22       Chat(
  23         :players="game.players"
  24         :pastChats="game.chats"
  25         :newChat="newChat"
  26         @mychat="processChat"
  27         @chatcleared="clearChat"
  28       )
  29   .row
  30     #aboveBoard.col-sm-12.col-md-9.col-md-offset-3.col-lg-10.col-lg-offset-2
  31       span.variant-cadence {{ game.cadence }}
  32       span.variant-name {{ game.vname }}
  33       button#chatBtn(onClick="window.doClick('modalChat')") Chat
  34       #actions(v-if="game.score=='*'")
  35         button(
  36           @click="clickDraw()"
  37           :class="{['draw-' + drawOffer]: true}"
  38         )
  39           | {{ st.tr["Draw"] }}
  40         button(
  41           v-if="!!game.mycolor"
  42           @click="abortGame()"
  43         )
  44           | {{ st.tr["Abort"] }}
  45         button(
  46           v-if="!!game.mycolor"
  47           @click="resign()"
  48         )
  49           | {{ st.tr["Resign"] }}
  50       #playersInfo
  51         p
  52           span.name(:class="{connected: isConnected(0)}")
  53             | {{ game.players[0].name || "@nonymous" }}
  54           span.time(v-if="game.score=='*'") {{ virtualClocks[0] }}
  55           span.split-names -
  56           span.name(:class="{connected: isConnected(1)}")
  57             | {{ game.players[1].name || "@nonymous" }}
  58           span.time(v-if="game.score=='*'") {{ virtualClocks[1] }}
  59   BaseGame(
  60     ref="basegame"
  61     :game="game"
  62     @newmove="processMove"
  63     @gameover="gameOver"
  64   )
  65 </template>
  66
  67 <script>
  68 import BaseGame from "@/components/BaseGame.vue";
  69 import Chat from "@/components/Chat.vue";
  70 import { store } from "@/store";
  71 import { GameStorage } from "@/utils/gameStorage";
  72 import { ppt } from "@/utils/datetime";
  73 import { ajax } from "@/utils/ajax";
  74 import { extractTime } from "@/utils/timeControl";
  75 import { getRandString } from "@/utils/alea";
  76 import { processModalClick } from "@/utils/modalClick";
  77 import { getFullNotation } from "@/utils/notation";
  78 import { playMove, getFilteredMove } from "@/utils/playUndo";
  79 import { getScoreMessage } from "@/utils/scoring";
  80 import { ArrayFun } from "@/utils/array";
  81 import params from "@/parameters";
  82 export default {
  83   name: "my-game",
  84   components: {
  85     BaseGame,
  86     Chat
  87   },
  88   // gameRef: to find the game in (potentially remote) storage
  89   data: function() {
  90     return {
  91       st: store.state,
  92       gameRef: {
  93         // rid = remote (socket) ID
  94         id: "",
  95         rid: ""
  96       },
  97       game: {
  98         // Passed to BaseGame
  99         players: [{ name: "" }, { name: "" }],
 100         chats: [],
 101         rendered: false
 102       },
 103       virtualClocks: [0, 0], //initialized with true game.clocks
 104       vr: null, //"variant rules" object initialized from FEN
 105       drawOffer: "",
 106       people: {}, //players + observers
 107       onMygames: [], //opponents (or me) on "MyGames" page
 108       lastate: undefined, //used if opponent send lastate before game is ready
 109       repeat: {}, //detect position repetition
 110       newChat: "",
 111       conn: null,
 112       roomInitialized: false,
 113       // If newmove has wrong index: ask fullgame again:
 114       gameIsLoading: false,
 115       // If asklastate got no reply, ask again:
 116       gotLastate: false,
 117       gotMoveIdx: -1, //last move index received
 118       // If newmove got no pingback, send again:
 119       opponentGotMove: false,
 120       connexionString: "",
 121       // Related to (killing of) self multi-connects:
 122       newConnect: {},
 123       killed: {}
 124     };
 125   },
 126   watch: {
 127     $route: function(to) {
 128       this.gameRef.id = to.params["id"];
 129       this.gameRef.rid = to.query["rid"];
 130       this.loadGame();
 131     }
 132   },
 133   // NOTE: some redundant code with Hall.vue (mostly related to people array)
 134   created: function() {
 135     // Always add myself to players' list
 136     const my = this.st.user;
 137     this.$set(this.people, my.sid, { id: my.id, name: my.name });
 138     this.gameRef.id = this.$route.params["id"];
 139     this.gameRef.rid = this.$route.query["rid"]; //may be undefined
 140     // Initialize connection
 141     this.connexionString =
 142       params.socketUrl +
 143       "/?sid=" +
 144       this.st.user.sid +
 145       "&tmpId=" +
 146       getRandString() +
 147       "&page=" +
 148       encodeURIComponent(this.$route.path);
 149     this.conn = new WebSocket(this.connexionString);
 150     this.conn.onmessage = this.socketMessageListener;
 151     this.conn.onclose = this.socketCloseListener;
 152     // Socket init required before loading remote game:
 153     const socketInit = callback => {
 154       if (!!this.conn && this.conn.readyState == 1)
 155         // 1 == OPEN state
 156         callback();
 157       else
 158         // Socket not ready yet (initial loading)
 159         // NOTE: it's important to call callback without arguments,
 160         // otherwise first arg is Websocket object and loadGame fails.
 161         this.conn.onopen = () => callback();
 162     };
 163     if (!this.gameRef.rid)
 164       // Game stored locally or on server
 165       this.loadGame(null, () => socketInit(this.roomInit));
 166     else
 167       // Game stored remotely: need socket to retrieve it
 168       // NOTE: the callback "roomInit" will be lost, so we don't provide it.
 169       // --> It will be given when receiving "fullgame" socket event.
 170       socketInit(this.loadGame);
 171   },
 172   mounted: function() {
 173     document
 174       .getElementById("chatWrap")
 175       .addEventListener("click", processModalClick);
 176   },
 177   beforeDestroy: function() {
 178     this.send("disconnect");
 179   },
 180   methods: {
 181     roomInit: function() {
 182       if (!this.roomInitialized) {
 183         // Notify the room only now that I connected, because
 184         // messages might be lost otherwise (if game loading is slow)
 185         this.send("connect");
 186         this.send("pollclients");
 187         // We may ask fullgame several times if some moves are lost,
 188         // but room should be init only once:
 189         this.roomInitialized = true;
 190       }
 191     },
 192     send: function(code, obj) {
 193       if (!!this.conn)
 194         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 195     },
 196     isConnected: function(index) {
 197       const player = this.game.players[index];
 198       // Is it me ?
 199       if (this.st.user.sid == player.sid || this.st.user.id == player.uid)
 200         return true;
 201       // Try to find a match in people:
 202       return (
 203         (
 204           player.sid &&
 205           Object.keys(this.people).some(sid => sid == player.sid)
 206         )
 207         ||
 208         (
 209           player.uid &&
 210           Object.values(this.people).some(p => p.id == player.uid)
 211         )
 212       );
 213     },
 214     resetChatColor: function() {
 215       // TODO: this is called twice, once on opening an once on closing
 216       document.getElementById("chatBtn").classList.remove("somethingnew");
 217     },
 218     processChat: function(chat) {
 219       this.send("newchat", { data: chat });
 220       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 221       if (this.game.type == "corr" && this.st.user.id > 0)
 222         GameStorage.update(this.gameRef.id, { chat: chat });
 223     },
 224     clearChat: function() {
 225       // Nothing more to do if game is live (chats not recorded)
 226       if (this.game.type == "corr") {
 227         if (!!this.game.mycolor)
 228           ajax("/chats", "DELETE", {gid: this.game.id});
 229         this.$set(this.game, "chats", []);
 230       }
 231     },
 232     // Notify turn after a new move (to opponent and me on MyGames page)
 233     notifyTurn: function(sid) {
 234       const player = this.people[sid];
 235       const colorIdx = this.game.players.findIndex(
 236         p => p.sid == sid || p.id == player.id);
 237       const color = ["w","b"][colorIdx];
 238       const movesCount = this.game.moves.length;
 239       const yourTurn =
 240         (color == "w" && movesCount % 2 == 0) ||
 241         (color == "b" && movesCount % 2 == 1);
 242       this.send("turnchange", { target: sid, yourTurn: yourTurn });
 243     },
 244     askGameAgain: function() {
 245       this.gameIsLoading = true;
 246       if (!this.gameRef.rid)
 247         // This is my game: just reload.
 248         this.loadGame();
 249       else {
 250         // Just ask fullgame again (once!), this is much simpler.
 251         // If this fails, the user could just reload page :/
 252         let self = this;
 253         (function askIfPeerConnected() {
 254           if (!!self.people[self.gameRef.rid])
 255             self.send("askfullgame", { target: self.gameRef.rid });
 256           else setTimeout(askIfPeerConnected, 1000);
 257         })();
 258       }
 259     },
 260     socketMessageListener: function(msg) {
 261       if (!this.conn) return;
 262       const data = JSON.parse(msg.data);
 263       switch (data.code) {
 264         case "pollclients":
 265           data.sockIds.forEach(sid => {
 266             if (sid != this.st.user.sid)
 267               this.send("askidentity", { target: sid });
 268           });
 269           break;
 270         case "connect":
 271           if (!this.people[data.from]) {
 272             this.newConnect[data.from] = true; //for self multi-connects tests
 273             this.send("askidentity", { target: data.from });
 274           }
 275           break;
 276         case "disconnect":
 277           this.$delete(this.people, data.from);
 278           break;
 279         case "mconnect": {
 280           // TODO: from MyGames page : send mconnect message with the list of gid (live and corr)
 281           // Either me (another tab) or opponent
 282           const sid = data.from;
 283           if (!this.onMygames.some(s => s == sid))
 284           {
 285             this.onMygames.push(sid);
 286             this.notifyTurn(sid); //TODO: this may require server ID (so, notify after receiving identity)
 287           }
 288           break;
 289           if (!this.people[sid])
 290             this.send("askidentity", { target: sid });
 291         }
 292         case "mdisconnect":
 293           ArrayFun.remove(this.onMygames, sid => sid == data.from);
 294           break;
 295         case "killed":
 296           // I logged in elsewhere:
 297           this.conn = null;
 298           alert(this.st.tr["New connexion detected: tab now offline"]);
 299           break;
 300         case "askidentity": {
 301           // Request for identification
 302           const me = {
 303             // Decompose to avoid revealing email
 304             name: this.st.user.name,
 305             sid: this.st.user.sid,
 306             id: this.st.user.id
 307           };
 308           this.send("identity", { data: me, target: data.from });
 309           break;
 310         }
 311         case "identity": {
 312           const user = data.data;
 313           this.$set(this.people, user.sid, { name: user.name, id: user.id });
 314           // If I multi-connect, kill current connexion if no mark (I'm older)
 315           if (this.newConnect[user.sid]) {
 316             if (
 317               user.id > 0 &&
 318               user.id == this.st.user.id &&
 319               user.sid != this.st.user.sid &&
 320               !this.killed[this.st.user.sid]
 321             ) {
 322                 this.send("killme", { sid: this.st.user.sid });
 323                 this.killed[this.st.user.sid] = true;
 324             }
 325             delete this.newConnect[user.sid];
 326           }
 327           if (!this.killed[this.st.user.sid]) {
 328             // Ask potentially missed last state, if opponent and I play
 329             if (
 330               !!this.game.mycolor &&
 331               this.game.type == "live" &&
 332               this.game.score == "*" &&
 333               this.game.players.some(p => p.sid == user.sid)
 334             ) {
 335               let self = this;
 336               (function askLastate() {
 337                 self.send("asklastate", { target: user.sid });
 338                 setTimeout(
 339                   () => {
 340                     // Ask until we got a reply (or opponent disconnect):
 341                     if (!self.gotLastate && !!self.people[user.sid])
 342                       askLastate();
 343                   },
 344                   750
 345                 );
 346               })();
 347             }
 348           }
 349           break;
 350         }
 351         case "askgame":
 352           // Send current (live) game if not asked by any of the players
 353           if (
 354             this.game.type == "live" &&
 355             this.game.players.every(p => p.sid != data.from[0])
 356           ) {
 357             const myGame = {
 358               id: this.game.id,
 359               fen: this.game.fen,
 360               players: this.game.players,
 361               vid: this.game.vid,
 362               cadence: this.game.cadence,
 363               score: this.game.score,
 364               rid: this.st.user.sid //useful in Hall if I'm an observer
 365             };
 366             this.send("game", { data: myGame, target: data.from });
 367           }
 368           break;
 369         case "askfullgame":
 370           this.send("fullgame", { data: this.game, target: data.from });
 371           break;
 372         case "fullgame":
 373           // Callback "roomInit" to poll clients only after game is loaded
 374           this.loadGame(data.data, this.roomInit);
 375           break;
 376         case "asklastate":
 377           // Sending informative last state if I played a move or score != "*"
 378           if (
 379             (this.game.moves.length > 0 && this.vr.turn != this.game.mycolor) ||
 380             this.game.score != "*" ||
 381             this.drawOffer == "sent"
 382           ) {
 383             // Send our "last state" informations to opponent
 384             const L = this.game.moves.length;
 385             const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 386             const myLastate = {
 387               lastMove: L > 0 ? this.game.moves[L - 1] : undefined,
 388               addTime: L > 0 ? this.game.addTimes[L - 1] : undefined,
 389               // Since we played a move (or abort or resign),
 390               // only drawOffer=="sent" is possible
 391               drawSent: this.drawOffer == "sent",
 392               score: this.game.score,
 393               movesCount: L,
 394               initime: this.game.initime[1 - myIdx] //relevant only if I played
 395             };
 396             this.send("lastate", { data: myLastate, target: data.from });
 397           } else {
 398             this.send("lastate", { data: {nothing: true}, target: data.from });
 399           }
 400           break;
 401         case "lastate": {
 402           // Got opponent infos about last move
 403           this.gotLastate = true;
 404           if (!data.data.nothing) {
 405             this.lastate = data.data;
 406             if (this.game.rendered)
 407               // Game is rendered (Board component)
 408               this.processLastate();
 409             // Else: will be processed when game is ready
 410           }
 411           break;
 412         }
 413         case "newmove": {
 414           const movePlus = data.data;
 415           const movesCount = this.game.moves.length;
 416           if (movePlus.index > movesCount) {
 417             // This can only happen if I'm an observer and missed a move.
 418             this.gotMoveIdx = movePlus.index;
 419             if (!this.gameIsLoading) this.askGameAgain();
 420           }
 421           else {
 422             if (
 423               movePlus.index < movesCount ||
 424               this.gotMoveIdx >= movePlus.index
 425             ) {
 426               // Opponent re-send but we already have the move:
 427               // (maybe he didn't receive our pingback...)
 428               this.send("gotmove", {data: movePlus.index, target: data.from});
 429             } else {
 430               this.gotMoveIdx = movePlus.index;
 431               const receiveMyMove = (movePlus.color == this.game.mycolor);
 432               if (!receiveMyMove && !!this.game.mycolor)
 433                 // Notify opponent that I got the move:
 434                 this.send("gotmove", {data: movePlus.index, target: data.from});
 435               if (movePlus.cancelDrawOffer) {
 436                 // Opponent refuses draw
 437                 this.drawOffer = "";
 438                 // NOTE for corr games: drawOffer reset by player in turn
 439                 if (
 440                   this.game.type == "live" &&
 441                   !!this.game.mycolor &&
 442                   !receiveMyMove
 443                 ) {
 444                   GameStorage.update(this.gameRef.id, { drawOffer: "" });
 445                 }
 446               }
 447               this.$refs["basegame"].play(
 448                 movePlus.move,
 449                 "received",
 450                 null,
 451                 {
 452                   addTime: movePlus.addTime,
 453                   receiveMyMove: receiveMyMove
 454                 }
 455               );
 456             }
 457           }
 458           break;
 459         }
 460         case "gotmove": {
 461           this.opponentGotMove = true;
 462           break;
 463         }
 464         case "resign":
 465           const score = data.side == "b" ? "1-0" : "0-1";
 466           const side = data.side == "w" ? "White" : "Black";
 467           this.gameOver(score, side + " surrender");
 468           break;
 469         case "abort":
 470           this.gameOver("?", "Stop");
 471           break;
 472         case "draw":
 473           this.gameOver("1/2", data.data);
 474           break;
 475         case "drawoffer":
 476           // NOTE: observers don't know who offered draw
 477           this.drawOffer = "received";
 478           break;
 479         case "newchat":
 480           this.newChat = data.data;
 481           if (!document.getElementById("modalChat").checked)
 482             document.getElementById("chatBtn").classList.add("somethingnew");
 483           break;
 484       }
 485     },
 486     socketCloseListener: function() {
 487       this.conn = new WebSocket(this.connexionString);
 488       this.conn.addEventListener("message", this.socketMessageListener);
 489       this.conn.addEventListener("close", this.socketCloseListener);
 490     },
 491     // lastate was received, but maybe game wasn't ready yet:
 492     processLastate: function() {
 493       const data = this.lastate;
 494       this.lastate = undefined; //security...
 495       const L = this.game.moves.length;
 496       if (data.movesCount > L) {
 497         // Just got last move from him
 498         this.$refs["basegame"].play(
 499           data.lastMove,
 500           "received",
 501           null,
 502           {addTime: data.addTime, initime: data.initime}
 503         );
 504       }
 505       if (data.drawSent) this.drawOffer = "received";
 506       if (data.score != "*") {
 507         this.drawOffer = "";
 508         if (this.game.score == "*") this.gameOver(data.score);
 509       }
 510     },
 511     clickDraw: function() {
 512       if (!this.game.mycolor) return; //I'm just spectator
 513       if (["received", "threerep"].includes(this.drawOffer)) {
 514         if (!confirm(this.st.tr["Accept draw?"])) return;
 515         const message =
 516           this.drawOffer == "received"
 517             ? "Mutual agreement"
 518             : "Three repetitions";
 519         this.send("draw", { data: message });
 520         this.gameOver("1/2", message);
 521       } else if (this.drawOffer == "") {
 522         // No effect if drawOffer == "sent"
 523         if (!!this.game.mycolor != this.vr.turn) {
 524           alert(this.st.tr["Draw offer only in your turn"]);
 525           return;
 526         }
 527         if (!confirm(this.st.tr["Offer draw?"])) return;
 528         this.drawOffer = "sent";
 529         this.send("drawoffer");
 530         GameStorage.update(this.gameRef.id, { drawOffer: this.game.mycolor });
 531       }
 532     },
 533     abortGame: function() {
 534       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"])) return;
 535       this.gameOver("?", "Stop");
 536       this.send("abort");
 537     },
 538     resign: function() {
 539       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
 540         return;
 541       this.send("resign", { data: this.game.mycolor });
 542       const score = this.game.mycolor == "w" ? "0-1" : "1-0";
 543       const side = this.game.mycolor == "w" ? "White" : "Black";
 544       this.gameOver(score, side + " surrender");
 545     },
 546     // 3 cases for loading a game:
 547     //  - from indexedDB (running or completed live game I play)
 548     //  - from server (one correspondance game I play[ed] or not)
 549     //  - from remote peer (one live game I don't play, finished or not)
 550     loadGame: function(game, callback) {
 551       const afterRetrieval = async game => {
 552         const vModule = await import("@/variants/" + game.vname + ".js");
 553         window.V = vModule.VariantRules;
 554         this.vr = new V(game.fen);
 555         const gtype = game.cadence.indexOf("d") >= 0 ? "corr" : "live";
 556         const tc = extractTime(game.cadence);
 557         const myIdx = game.players.findIndex(p => {
 558           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 559         });
 560         const mycolor = [undefined, "w", "b"][myIdx + 1]; //undefined for observers
 561         if (!game.chats) game.chats = []; //live games don't have chat history
 562         if (gtype == "corr") {
 563           if (game.players[0].color == "b") {
 564             // Adopt the same convention for live and corr games: [0] = white
 565             [game.players[0], game.players[1]] = [
 566               game.players[1],
 567               game.players[0]
 568             ];
 569           }
 570           // NOTE: clocks in seconds, initime in milliseconds
 571           game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
 572           const L = game.moves.length;
 573           if (game.score == "*") {
 574             // Set clocks + initime
 575             game.clocks = [tc.mainTime, tc.mainTime];
 576             game.initime = [0, 0];
 577             if (L >= 1) {
 578               const gameLastupdate = game.moves[L-1].played;
 579               game.initime[L % 2] = gameLastupdate;
 580               if (L >= 2) {
 581                 game.clocks[L % 2] =
 582                   tc.mainTime - (Date.now() - gameLastupdate) / 1000;
 583               }
 584             }
 585           }
 586           // Sort chat messages from newest to oldest
 587           game.chats.sort((c1, c2) => {
 588             return c2.added - c1.added;
 589           });
 590           if (myIdx >= 0 && game.score == "*" && game.chats.length > 0) {
 591             // Did a chat message arrive after my last move?
 592             let dtLastMove = 0;
 593             if (L == 1 && myIdx == 0)
 594               dtLastMove = game.moves[0].played;
 595             else if (L >= 2) {
 596               if (L % 2 == 0) {
 597                 // It's now white turn
 598                 dtLastMove = game.moves[L-1-(1-myIdx)].played;
 599               } else {
 600                 // Black turn:
 601                 dtLastMove = game.moves[L-1-myIdx].played;
 602               }
 603             }
 604             if (dtLastMove < game.chats[0].added)
 605               document.getElementById("chatBtn").classList.add("somethingnew");
 606           }
 607           // Now that we used idx and played, re-format moves as for live games
 608           game.moves = game.moves.map(m => m.squares);
 609         }
 610         if (gtype == "live" && game.clocks[0] < 0) {
 611           // Game is unstarted
 612           game.clocks = [tc.mainTime, tc.mainTime];
 613           if (game.score == "*") {
 614             game.initime[0] = Date.now();
 615             if (myIdx >= 0) {
 616               // I play in this live game; corr games don't have clocks+initime
 617               GameStorage.update(game.id, {
 618                 clocks: game.clocks,
 619                 initime: game.initime
 620               });
 621             }
 622           }
 623         }
 624         if (game.drawOffer) {
 625           if (game.drawOffer == "t")
 626             // Three repetitions
 627             this.drawOffer = "threerep";
 628           else {
 629             // Draw offered by any of the players:
 630             if (myIdx < 0) this.drawOffer = "received";
 631             else {
 632               // I play in this game:
 633               if (
 634                 (game.drawOffer == "w" && myIdx == 0) ||
 635                 (game.drawOffer == "b" && myIdx == 1)
 636               )
 637                 this.drawOffer = "sent";
 638               else this.drawOffer = "received";
 639             }
 640           }
 641         }
 642         this.repeat = {}; //reset: scan past moves' FEN:
 643         let repIdx = 0;
 644         let vr_tmp = new V(game.fenStart);
 645         let curTurn = "n";
 646         game.moves.forEach(m => {
 647           playMove(m, vr_tmp);
 648           const fenIdx = vr_tmp.getFen().replace(/ /g, "_");
 649           this.repeat[fenIdx] = this.repeat[fenIdx]
 650             ? this.repeat[fenIdx] + 1
 651             : 1;
 652         });
 653         if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
 654         this.game = Object.assign(
 655           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 656           {
 657             type: gtype,
 658             increment: tc.increment,
 659             mycolor: mycolor,
 660             // opponent sid not strictly required (or available), but easier
 661             // at least oppsid or oppid is available anyway:
 662             oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
 663             oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].uid,
 664             addTimes: [], //used for live games
 665           },
 666           game,
 667         );
 668         if (this.gameIsLoading)
 669           // Re-load game because we missed some moves:
 670           // artificially reset BaseGame (required if moves arrive too quickly)
 671           this.$refs["basegame"].re_setVariables();
 672         this.re_setClocks();
 673         this.$nextTick(() => {
 674           this.game.rendered = true;
 675           // Did lastate arrive before game was rendered?
 676           if (this.lastate) this.processLastate();
 677         });
 678         if (this.gameIsLoading) {
 679           this.gameIsLoading = false;
 680           if (this.gotMoveIdx >= game.moves.length)
 681             // Some moves arrived meanwhile...
 682             this.askGameAgain();
 683         }
 684         if (!!callback) callback();
 685       };
 686       if (!!game) {
 687         afterRetrieval(game);
 688         return;
 689       }
 690       if (this.gameRef.rid) {
 691         // Remote live game: forgetting about callback func... (TODO: design)
 692         this.send("askfullgame", { target: this.gameRef.rid });
 693       } else {
 694         // Local or corr game
 695         // NOTE: afterRetrieval() is never called if game not found
 696         GameStorage.get(this.gameRef.id, afterRetrieval);
 697       }
 698     },
 699     re_setClocks: function() {
 700       if (this.game.moves.length < 2 || this.game.score != "*") {
 701         // 1st move not completed yet, or game over: freeze time
 702         this.virtualClocks = this.game.clocks.map(s => ppt(s));
 703         return;
 704       }
 705       const currentTurn = this.vr.turn;
 706       const currentMovesCount = this.game.moves.length;
 707       const colorIdx = ["w", "b"].indexOf(currentTurn);
 708       let countdown =
 709         this.game.clocks[colorIdx] -
 710         (Date.now() - this.game.initime[colorIdx]) / 1000;
 711       this.virtualClocks = [0, 1].map(i => {
 712         const removeTime =
 713           i == colorIdx ? (Date.now() - this.game.initime[colorIdx]) / 1000 : 0;
 714         return ppt(this.game.clocks[i] - removeTime);
 715       });
 716       let clockUpdate = setInterval(() => {
 717         if (
 718           countdown < 0 ||
 719           this.game.moves.length > currentMovesCount ||
 720           this.game.score != "*"
 721         ) {
 722           clearInterval(clockUpdate);
 723           if (countdown < 0)
 724             this.gameOver(
 725               currentTurn == "w" ? "0-1" : "1-0",
 726               "Time"
 727             );
 728         } else
 729           this.$set(
 730             this.virtualClocks,
 731             colorIdx,
 732             ppt(Math.max(0, --countdown))
 733           );
 734       }, 1000);
 735     },
 736     // Post-process a (potentially partial) move (which was just played in BaseGame)
 737     processMove: function(move, data) {
 738       if (!data) data = {};
 739       const moveCol = this.vr.turn;
 740       const doProcessMove = () => {
 741         const colorIdx = ["w", "b"].indexOf(moveCol);
 742         const nextIdx = 1 - colorIdx;
 743         const origMovescount = this.game.moves.length;
 744         let addTime =
 745           this.game.type == "live"
 746             ? (data.addTime || 0)
 747             : undefined;
 748         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
 749           if (this.drawOffer == "received")
 750             // I refuse draw
 751             this.drawOffer = "";
 752           if (this.game.type == "live" && origMovescount >= 2) {
 753             const elapsed = Date.now() - this.game.initime[colorIdx];
 754             // elapsed time is measured in milliseconds
 755             addTime = this.game.increment - elapsed / 1000;
 756           }
 757         }
 758         // Update current game object:
 759         playMove(move, this.vr);
 760 // TODO: notifyTurn: "changeturn" message
 761         this.game.moves.push(move);
 762         // (add)Time indication: useful in case of lastate infos requested
 763         if (this.game.type == "live")
 764           this.game.addTimes.push(addTime);
 765         this.game.fen = this.vr.getFen();
 766         if (this.game.type == "live") this.game.clocks[colorIdx] += addTime;
 767         // In corr games, just reset clock to mainTime:
 768         else this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
 769         // data.initime is set only when I receive a "lastate" move from opponent
 770         this.game.initime[nextIdx] = data.initime || Date.now();
 771         this.re_setClocks();
 772         // If repetition detected, consider that a draw offer was received:
 773         const fenObj = this.vr.getFenForRepeat();
 774         this.repeat[fenObj] = this.repeat[fenObj] ? this.repeat[fenObj] + 1 : 1;
 775         if (this.repeat[fenObj] >= 3) this.drawOffer = "threerep";
 776         else if (this.drawOffer == "threerep") this.drawOffer = "";
 777         // Since corr games are stored at only one location, update should be
 778         // done only by one player for each move:
 779         if (!!this.game.mycolor && !data.receiveMyMove) {
 780           // NOTE: 'var' to see that variable outside this block
 781           var filtered_move = getFilteredMove(move);
 782         }
 783         if (
 784           !!this.game.mycolor &&
 785           !data.receiveMyMove &&
 786           (this.game.type == "live" || moveCol == this.game.mycolor)
 787         ) {
 788           let drawCode = "";
 789           switch (this.drawOffer) {
 790             case "threerep":
 791               drawCode = "t";
 792               break;
 793             case "sent":
 794               drawCode = this.game.mycolor;
 795               break;
 796             case "received":
 797               drawCode = V.GetOppCol(this.game.mycolor);
 798               break;
 799           }
 800           if (this.game.type == "corr") {
 801             GameStorage.update(this.gameRef.id, {
 802               fen: this.game.fen,
 803               move: {
 804                 squares: filtered_move,
 805                 played: Date.now(),
 806                 idx: origMovescount
 807               },
 808               // Code "n" for "None" to force reset (otherwise it's ignored)
 809               drawOffer: drawCode || "n"
 810             });
 811           }
 812           else if (!document.hidden) {
 813             // Live game: consider only the active tab
 814             GameStorage.update(this.gameRef.id, {
 815               fen: this.game.fen,
 816               move: filtered_move,
 817               clocks: this.game.clocks,
 818               initime: this.game.initime,
 819               drawOffer: drawCode
 820             });
 821           }
 822         }
 823         // Send move ("newmove" event) to people in the room (if our turn)
 824         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
 825           const sendMove = {
 826             move: filtered_move,
 827             index: origMovescount,
 828             // color is required to check if this is my move (if several tabs opened)
 829             color: moveCol,
 830             addTime: addTime, //undefined for corr games
 831             cancelDrawOffer: this.drawOffer == ""
 832           };
 833           this.opponentGotMove = false;
 834           this.send("newmove", {data: sendMove});
 835           // If the opponent doesn't reply gotmove soon enough, re-send move:
 836           let retrySendmove = setInterval( () => {
 837             if (this.opponentGotMove) {
 838               clearInterval(retrySendmove);
 839               return;
 840             }
 841             let oppsid = this.game.players[nextIdx].sid;
 842             if (!oppsid) {
 843               oppsid = Object.keys(this.people).find(
 844                 sid => this.people[sid].id == this.game.players[nextIdx].uid
 845               );
 846             }
 847             if (!oppsid || !this.people[oppsid])
 848               // Opponent is disconnected: he'll ask last state
 849               clearInterval(retrySendmove);
 850             else this.send("newmove", {data: sendMove, target: oppsid});
 851           }, 750);
 852         }
 853       };
 854       if (
 855         this.game.type == "corr" &&
 856         moveCol == this.game.mycolor &&
 857         !data.receiveMyMove
 858       ) {
 859         setTimeout(() => {
 860           // TODO: remplacer cette confirm box par qqch de plus discret
 861           // (et de même pour challenge accepté / refusé)
 862           if (
 863             !confirm(
 864               this.st.tr["Move played:"] +
 865                 " " +
 866                 getFullNotation(move) +
 867                 "\n" +
 868                 this.st.tr["Are you sure?"]
 869             )
 870           ) {
 871             this.$refs["basegame"].cancelLastMove();
 872             return;
 873           }
 874           doProcessMove();
 875         // Let small time to finish drawing current move attempt:
 876         }, 500);
 877       }
 878       else doProcessMove();
 879     },
 880     gameOver: function(score, scoreMsg) {
 881       this.game.score = score;
 882       this.$set(this.game, "scoreMsg", scoreMsg || getScoreMessage(score));
 883       const myIdx = this.game.players.findIndex(p => {
 884         return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 885       });
 886       if (myIdx >= 0) {
 887         // OK, I play in this game
 888         GameStorage.update(this.gameRef.id, {
 889           score: score,
 890           scoreMsg: scoreMsg
 891         });
 892         // Notify the score to main Hall. TODO: only one player (currently double send)
 893         this.send("result", { gid: this.game.id, score: score });
 894       }
 895     }
 896   }
 897 };
 898 </script>
 899
 900 <style lang="sass" scoped>
 901 .connected
 902   background-color: lightgreen
 903
 904 #participants
 905   margin-left: 5px
 906
 907 .anonymous
 908   color: grey
 909   font-style: italic
 910
 911 #playersInfo > p
 912   margin: 0
 913
 914 @media screen and (min-width: 768px)
 915   #actions
 916     width: 300px
 917 @media screen and (max-width: 767px)
 918   .game
 919     width: 100%
 920
 921 #actions
 922   display: inline-block
 923   margin: 0
 924   button
 925     display: inline-block
 926     margin: 0
 927
 928 @media screen and (max-width: 767px)
 929   #aboveBoard
 930     text-align: center
 931 @media screen and (min-width: 768px)
 932   #aboveBoard
 933     margin-left: 30%
 934
 935 .variant-cadence
 936   padding-right: 10px
 937
 938 .variant-name
 939   font-weight: bold
 940   padding-right: 10px
 941
 942 .name
 943   font-size: 1.5rem
 944   padding: 1px
 945
 946 .time
 947   font-size: 2rem
 948   display: inline-block
 949   margin-left: 10px
 950
 951 .split-names
 952   display: inline-block
 953   margin: 0 15px
 954
 955 #chat
 956   padding-top: 20px
 957   max-width: 767px
 958   border: none;
 959
 960 #chatBtn
 961   margin: 0 10px 0 0
 962
 963 .draw-sent, .draw-sent:hover
 964   background-color: lightyellow
 965
 966 .draw-received, .draw-received:hover
 967   background-color: lightgreen
 968
 969 .draw-threerep, .draw-threerep:hover
 970   background-color: #e4d1fc
 971
 972 .somethingnew
 973   background-color: #c5fefe
 974 </style>