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       span#nextGame(
  34         v-if="nextIds.length > 0"
  35         @click="showNextGame()"
  36       )
  37         | {{ st.tr["Next_g"] }}
  38       button#chatBtn.tooltip(
  39         onClick="window.doClick('modalChat')"
  40         aria-label="Chat"
  41       )
  42         img(src="/images/icons/chat.svg")
  43       #actions(v-if="game.score=='*'")
  44         button.tooltip(
  45           @click="clickDraw()"
  46           :class="{['draw-' + drawOffer]: true}"
  47           :aria-label="st.tr['Draw']"
  48         )
  49           img(src="/images/icons/draw.svg")
  50         button.tooltip(
  51           v-if="!!game.mycolor"
  52           @click="abortGame()"
  53           :aria-label="st.tr['Abort']"
  54         )
  55           img(src="/images/icons/abort.svg")
  56         button.tooltip(
  57           v-if="!!game.mycolor"
  58           @click="resign()"
  59           :aria-label="st.tr['Resign']"
  60         )
  61           img(src="/images/icons/resign.svg")
  62       button.tooltip(
  63         v-else-if="!!game.mycolor"
  64         @click="rematch()"
  65         :aria-label="st.tr['Rematch']"
  66       )
  67         img(src="/images/icons/rematch.svg")
  68       #playersInfo
  69         p
  70           span.name(:class="{connected: isConnected(0)}")
  71             | {{ game.players[0].name || "@nonymous" }}
  72           span.time(
  73             v-if="game.score=='*'"
  74             :class="{yourturn: !!vr && vr.turn == 'w'}"
  75           )
  76             span.time-left {{ virtualClocks[0][0] }}
  77             span.time-separator(v-if="!!virtualClocks[0][1]") :
  78             span.time-right(v-if="!!virtualClocks[0][1]") {{ virtualClocks[0][1] }}
  79           span.split-names -
  80           span.name(:class="{connected: isConnected(1)}")
  81             | {{ game.players[1].name || "@nonymous" }}
  82           span.time(
  83             v-if="game.score=='*'"
  84             :class="{yourturn: !!vr && vr.turn == 'b'}"
  85           )
  86             span.time-left {{ virtualClocks[1][0] }}
  87             span.time-separator(v-if="!!virtualClocks[1][1]") :
  88             span.time-right(v-if="!!virtualClocks[1][1]") {{ virtualClocks[1][1] }}
  89   BaseGame(
  90     ref="basegame"
  91     :game="game"
  92     @newmove="processMove"
  93     @gameover="gameOver"
  94   )
  95 </template>
  96
  97 <script>
  98 import BaseGame from "@/components/BaseGame.vue";
  99 import Chat from "@/components/Chat.vue";
 100 import { store } from "@/store";
 101 import { GameStorage } from "@/utils/gameStorage";
 102 import { ppt } from "@/utils/datetime";
 103 import { ajax } from "@/utils/ajax";
 104 import { extractTime } from "@/utils/timeControl";
 105 import { getRandString } from "@/utils/alea";
 106 import { processModalClick } from "@/utils/modalClick";
 107 import { getFullNotation } from "@/utils/notation";
 108 import { playMove, getFilteredMove } from "@/utils/playUndo";
 109 import { getScoreMessage } from "@/utils/scoring";
 110 import { ArrayFun } from "@/utils/array";
 111 import params from "@/parameters";
 112 export default {
 113   name: "my-game",
 114   components: {
 115     BaseGame,
 116     Chat
 117   },
 118   // gameRef: to find the game in (potentially remote) storage
 119   data: function() {
 120     return {
 121       st: store.state,
 122       gameRef: {
 123         // rid = remote (socket) ID
 124         id: "",
 125         rid: ""
 126       },
 127       game: {
 128         // Passed to BaseGame
 129         players: [{ name: "" }, { name: "" }],
 130         chats: [],
 131         rendered: false
 132       },
 133       nextIds: [],
 134       virtualClocks: [[0,0], [0,0]], //initialized with true game.clocks
 135       vr: null, //"variant rules" object initialized from FEN
 136       drawOffer: "",
 137       people: {}, //players + observers
 138       onMygames: [], //opponents (or me) on "MyGames" page
 139       lastate: undefined, //used if opponent send lastate before game is ready
 140       repeat: {}, //detect position repetition
 141       newChat: "",
 142       conn: null,
 143       roomInitialized: false,
 144       // If newmove has wrong index: ask fullgame again:
 145       askGameTime: 0,
 146       gameIsLoading: false,
 147       // If asklastate got no reply, ask again:
 148       gotLastate: false,
 149       gotMoveIdx: -1, //last move index received
 150       // If newmove got no pingback, send again:
 151       opponentGotMove: false,
 152       connexionString: "",
 153       // Related to (killing of) self multi-connects:
 154       newConnect: {},
 155       killed: {}
 156     };
 157   },
 158   watch: {
 159     $route: function(to) {
 160       this.gameRef.id = to.params["id"];
 161       this.gameRef.rid = to.query["rid"];
 162       this.loadGame();
 163     }
 164   },
 165   // NOTE: some redundant code with Hall.vue (mostly related to people array)
 166   created: function() {
 167     // Always add myself to players' list
 168     const my = this.st.user;
 169     this.$set(this.people, my.sid, { id: my.id, name: my.name });
 170     this.gameRef.id = this.$route.params["id"];
 171     // rid = remote ID to find an observed live game,
 172     // next = next corr games IDs to navigate faster
 173     // (Both might be undefined)
 174     this.gameRef.rid = this.$route.query["rid"];
 175     this.nextIds = JSON.parse(this.$route.query["next"] || "[]");
 176     // Initialize connection
 177     this.connexionString =
 178       params.socketUrl +
 179       "/?sid=" +
 180       this.st.user.sid +
 181       "&tmpId=" +
 182       getRandString() +
 183       "&page=" +
 184       encodeURIComponent(this.$route.path);
 185     this.conn = new WebSocket(this.connexionString);
 186     this.conn.onmessage = this.socketMessageListener;
 187     this.conn.onclose = this.socketCloseListener;
 188     // Socket init required before loading remote game:
 189     const socketInit = callback => {
 190       if (!!this.conn && this.conn.readyState == 1)
 191         // 1 == OPEN state
 192         callback();
 193       else
 194         // Socket not ready yet (initial loading)
 195         // NOTE: it's important to call callback without arguments,
 196         // otherwise first arg is Websocket object and loadGame fails.
 197         this.conn.onopen = () => callback();
 198     };
 199     if (!this.gameRef.rid)
 200       // Game stored locally or on server
 201       this.loadGame(null, () => socketInit(this.roomInit));
 202     else
 203       // Game stored remotely: need socket to retrieve it
 204       // NOTE: the callback "roomInit" will be lost, so we don't provide it.
 205       // --> It will be given when receiving "fullgame" socket event.
 206       socketInit(this.loadGame);
 207   },
 208   mounted: function() {
 209     document
 210       .getElementById("chatWrap")
 211       .addEventListener("click", processModalClick);
 212   },
 213   beforeDestroy: function() {
 214     this.send("disconnect");
 215   },
 216   methods: {
 217     roomInit: function() {
 218       if (!this.roomInitialized) {
 219         // Notify the room only now that I connected, because
 220         // messages might be lost otherwise (if game loading is slow)
 221         this.send("connect");
 222         this.send("pollclients");
 223         // We may ask fullgame several times if some moves are lost,
 224         // but room should be init only once:
 225         this.roomInitialized = true;
 226       }
 227     },
 228     send: function(code, obj) {
 229       if (!!this.conn)
 230         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 231     },
 232     isConnected: function(index) {
 233       const player = this.game.players[index];
 234       // Is it me ?
 235       if (this.st.user.sid == player.sid || this.st.user.id == player.uid)
 236         // Still have to check for name (because of potential multi-accounts
 237         // on same browser, although this should be rare...)
 238         return (!this.st.user.name || this.st.user.name == player.name);
 239       // Try to find a match in people:
 240       return (
 241         (
 242           player.sid &&
 243           Object.keys(this.people).some(sid => sid == player.sid)
 244         )
 245         ||
 246         (
 247           player.uid &&
 248           Object.values(this.people).some(p => p.id == player.uid)
 249         )
 250       );
 251     },
 252     resetChatColor: function() {
 253       // TODO: this is called twice, once on opening an once on closing
 254       document.getElementById("chatBtn").classList.remove("somethingnew");
 255     },
 256     processChat: function(chat) {
 257       this.send("newchat", { data: chat });
 258       // NOTE: anonymous chats in corr games are not stored on server (TODO?)
 259       if (this.game.type == "corr" && this.st.user.id > 0)
 260         GameStorage.update(this.gameRef.id, { chat: chat });
 261     },
 262     clearChat: function() {
 263       // Nothing more to do if game is live (chats not recorded)
 264       if (this.game.type == "corr") {
 265         if (!!this.game.mycolor)
 266           ajax("/chats", "DELETE", {gid: this.game.id});
 267         this.$set(this.game, "chats", []);
 268       }
 269     },
 270     // Notify turn after a new move (to opponent and me on MyGames page)
 271     notifyTurn: function(sid) {
 272       const player = this.people[sid];
 273       const colorIdx = this.game.players.findIndex(
 274         p => p.sid == sid || p.uid == player.id);
 275       const color = ["w","b"][colorIdx];
 276       const movesCount = this.game.moves.length;
 277       const yourTurn =
 278         (color == "w" && movesCount % 2 == 0) ||
 279         (color == "b" && movesCount % 2 == 1);
 280       this.send("turnchange", { target: sid, yourTurn: yourTurn });
 281     },
 282     showNextGame: function() {
 283       // Did I play in current game? If not, add it to nextIds list
 284       if (this.game.score == "*" && this.vr.turn == this.game.mycolor)
 285         this.nextIds.unshift(this.game.id);
 286       const nextGid = this.nextIds.pop();
 287       this.$router.push(
 288         "/game/" + nextGid + "/?next=" + JSON.stringify(this.nextIds));
 289     },
 290     rematch: function() {
 291       alert("Unimplemented yet (soon :) )");
 292       // TODO: same logic as for draw, but re-click remove rematch offer (toggle)
 293     },
 294     askGameAgain: function() {
 295       this.gameIsLoading = true;
 296       const doAskGame = () => {
 297         if (!this.gameRef.rid)
 298           // This is my game: just reload.
 299           this.loadGame();
 300         else {
 301           // Just ask fullgame again (once!), this is much simpler.
 302           // If this fails, the user could just reload page :/
 303           let self = this;
 304           (function askIfPeerConnected() {
 305             if (!!self.people[self.gameRef.rid])
 306               self.send("askfullgame", { target: self.gameRef.rid });
 307             else setTimeout(askIfPeerConnected, 1000);
 308           })();
 309         }
 310       };
 311       // Delay of at least 2s between two game requests
 312       const now = Date.now();
 313       const delay = Math.max(2000 - (now - this.askGameTime), 0);
 314       this.askGameTime = now;
 315       setTimeout(doAskGame, delay);
 316     },
 317     socketMessageListener: function(msg) {
 318       if (!this.conn) return;
 319       const data = JSON.parse(msg.data);
 320       switch (data.code) {
 321         case "pollclients":
 322           data.sockIds.forEach(sid => {
 323             if (sid != this.st.user.sid)
 324               this.send("askidentity", { target: sid });
 325           });
 326           break;
 327         case "connect":
 328           if (!this.people[data.from]) {
 329             this.newConnect[data.from] = true; //for self multi-connects tests
 330             this.send("askidentity", { target: data.from });
 331           }
 332           break;
 333         case "disconnect":
 334           this.$delete(this.people, data.from);
 335           break;
 336         case "mconnect": {
 337           // TODO: from MyGames page : send mconnect message with the list of gid (live and corr)
 338           // Either me (another tab) or opponent
 339           const sid = data.from;
 340           if (!this.onMygames.some(s => s == sid))
 341           {
 342             this.onMygames.push(sid);
 343             this.notifyTurn(sid); //TODO: this may require server ID (so, notify after receiving identity)
 344           }
 345           break;
 346           if (!this.people[sid])
 347             this.send("askidentity", { target: sid });
 348         }
 349         case "mdisconnect":
 350           ArrayFun.remove(this.onMygames, sid => sid == data.from);
 351           break;
 352         case "killed":
 353           // I logged in elsewhere:
 354           this.conn = null;
 355           alert(this.st.tr["New connexion detected: tab now offline"]);
 356           break;
 357         case "askidentity": {
 358           // Request for identification
 359           const me = {
 360             // Decompose to avoid revealing email
 361             name: this.st.user.name,
 362             sid: this.st.user.sid,
 363             id: this.st.user.id
 364           };
 365           this.send("identity", { data: me, target: data.from });
 366           break;
 367         }
 368         case "identity": {
 369           const user = data.data;
 370           this.$set(this.people, user.sid, { name: user.name, id: user.id });
 371           // If I multi-connect, kill current connexion if no mark (I'm older)
 372           if (this.newConnect[user.sid]) {
 373             if (
 374               user.id > 0 &&
 375               user.id == this.st.user.id &&
 376               user.sid != this.st.user.sid &&
 377               !this.killed[this.st.user.sid]
 378             ) {
 379                 this.send("killme", { sid: this.st.user.sid });
 380                 this.killed[this.st.user.sid] = true;
 381             }
 382             delete this.newConnect[user.sid];
 383           }
 384           if (!this.killed[this.st.user.sid]) {
 385             // Ask potentially missed last state, if opponent and I play
 386             if (
 387               !!this.game.mycolor &&
 388               this.game.type == "live" &&
 389               this.game.score == "*" &&
 390               this.game.players.some(p => p.sid == user.sid)
 391             ) {
 392               let self = this;
 393               (function askLastate() {
 394                 self.send("asklastate", { target: user.sid });
 395                 setTimeout(
 396                   () => {
 397                     // Ask until we got a reply (or opponent disconnect):
 398                     if (!self.gotLastate && !!self.people[user.sid])
 399                       askLastate();
 400                   },
 401                   1000
 402                 );
 403               })();
 404             }
 405           }
 406           break;
 407         }
 408         case "askgame":
 409           // Send current (live) game if not asked by any of the players
 410           if (
 411             this.game.type == "live" &&
 412             this.game.players.every(p => p.sid != data.from[0])
 413           ) {
 414             const myGame = {
 415               id: this.game.id,
 416               fen: this.game.fen,
 417               players: this.game.players,
 418               vid: this.game.vid,
 419               cadence: this.game.cadence,
 420               score: this.game.score,
 421               rid: this.st.user.sid //useful in Hall if I'm an observer
 422             };
 423             this.send("game", { data: myGame, target: data.from });
 424           }
 425           break;
 426         case "askfullgame":
 427           const gameToSend = Object.keys(this.game)
 428             .filter(k =>
 429               [
 430                 "id","fen","players","vid","cadence","fenStart","vname",
 431                 "moves","clocks","initime","score","drawOffer"
 432               ].includes(k))
 433             .reduce(
 434               (obj, k) => {
 435                 obj[k] = this.game[k];
 436                 return obj;
 437               },
 438               {}
 439             );
 440           this.send("fullgame", { data: gameToSend, target: data.from });
 441           break;
 442         case "fullgame":
 443           // Callback "roomInit" to poll clients only after game is loaded
 444           this.loadGame(data.data, this.roomInit);
 445           break;
 446         case "asklastate":
 447           // Sending informative last state if I played a move or score != "*"
 448           if (
 449             (this.game.moves.length > 0 && this.vr.turn != this.game.mycolor) ||
 450             this.game.score != "*" ||
 451             this.drawOffer == "sent"
 452           ) {
 453             // Send our "last state" informations to opponent
 454             const L = this.game.moves.length;
 455             const myIdx = ["w", "b"].indexOf(this.game.mycolor);
 456             const myLastate = {
 457               lastMove: L > 0 ? this.game.moves[L - 1] : undefined,
 458               addTime: L > 0 ? this.game.addTimes[L - 1] : undefined,
 459               // Since we played a move (or abort or resign),
 460               // only drawOffer=="sent" is possible
 461               drawSent: this.drawOffer == "sent",
 462               score: this.game.score,
 463               movesCount: L,
 464               initime: this.game.initime[1 - myIdx] //relevant only if I played
 465             };
 466             this.send("lastate", { data: myLastate, target: data.from });
 467           } else {
 468             this.send("lastate", { data: {nothing: true}, target: data.from });
 469           }
 470           break;
 471         case "lastate": {
 472           // Got opponent infos about last move
 473           this.gotLastate = true;
 474           if (!data.data.nothing) {
 475             this.lastate = data.data;
 476             if (this.game.rendered)
 477               // Game is rendered (Board component)
 478               this.processLastate();
 479             // Else: will be processed when game is ready
 480           }
 481           break;
 482         }
 483         case "newmove": {
 484           const movePlus = data.data;
 485           const movesCount = this.game.moves.length;
 486           if (movePlus.index > movesCount) {
 487             // This can only happen if I'm an observer and missed a move.
 488             if (this.gotMoveIdx < movePlus.index)
 489               this.gotMoveIdx = movePlus.index;
 490             if (!this.gameIsLoading) this.askGameAgain();
 491           }
 492           else {
 493             if (
 494               movePlus.index < movesCount ||
 495               this.gotMoveIdx >= movePlus.index
 496             ) {
 497               // Opponent re-send but we already have the move:
 498               // (maybe he didn't receive our pingback...)
 499               this.send("gotmove", {data: movePlus.index, target: data.from});
 500             } else {
 501               this.gotMoveIdx = movePlus.index;
 502               const receiveMyMove = (movePlus.color == this.game.mycolor);
 503               if (!receiveMyMove && !!this.game.mycolor)
 504                 // Notify opponent that I got the move:
 505                 this.send("gotmove", {data: movePlus.index, target: data.from});
 506               if (movePlus.cancelDrawOffer) {
 507                 // Opponent refuses draw
 508                 this.drawOffer = "";
 509                 // NOTE for corr games: drawOffer reset by player in turn
 510                 if (
 511                   this.game.type == "live" &&
 512                   !!this.game.mycolor &&
 513                   !receiveMyMove
 514                 ) {
 515                   GameStorage.update(this.gameRef.id, { drawOffer: "" });
 516                 }
 517               }
 518               this.$refs["basegame"].play(movePlus.move, "received", null, true);
 519               this.processMove(
 520                 movePlus.move,
 521                 {
 522                   addTime: movePlus.addTime,
 523                   receiveMyMove: receiveMyMove
 524                 }
 525               );
 526             }
 527           }
 528           break;
 529         }
 530         case "gotmove": {
 531           this.opponentGotMove = true;
 532           break;
 533         }
 534         case "resign":
 535           const score = data.side == "b" ? "1-0" : "0-1";
 536           const side = data.side == "w" ? "White" : "Black";
 537           this.gameOver(score, side + " surrender");
 538           break;
 539         case "abort":
 540           this.gameOver("?", "Stop");
 541           break;
 542         case "draw":
 543           this.gameOver("1/2", data.data);
 544           break;
 545         case "drawoffer":
 546           // NOTE: observers don't know who offered draw
 547           this.drawOffer = "received";
 548           break;
 549         case "newchat":
 550           this.newChat = data.data;
 551           if (!document.getElementById("modalChat").checked)
 552             document.getElementById("chatBtn").classList.add("somethingnew");
 553           break;
 554       }
 555     },
 556     socketCloseListener: function() {
 557       this.conn = new WebSocket(this.connexionString);
 558       this.conn.addEventListener("message", this.socketMessageListener);
 559       this.conn.addEventListener("close", this.socketCloseListener);
 560     },
 561     // lastate was received, but maybe game wasn't ready yet:
 562     processLastate: function() {
 563       const data = this.lastate;
 564       this.lastate = undefined; //security...
 565       const L = this.game.moves.length;
 566       if (data.movesCount > L) {
 567         // Just got last move from him
 568         this.$refs["basegame"].play(
 569           data.lastMove,
 570           "received",
 571           null,
 572           {addTime: data.addTime, initime: data.initime}
 573         );
 574       }
 575       if (data.drawSent) this.drawOffer = "received";
 576       if (data.score != "*") {
 577         this.drawOffer = "";
 578         if (this.game.score == "*") this.gameOver(data.score);
 579       }
 580     },
 581     clickDraw: function() {
 582       if (!this.game.mycolor) return; //I'm just spectator
 583       if (["received", "threerep"].includes(this.drawOffer)) {
 584         if (!confirm(this.st.tr["Accept draw?"])) return;
 585         const message =
 586           this.drawOffer == "received"
 587             ? "Mutual agreement"
 588             : "Three repetitions";
 589         this.send("draw", { data: message });
 590         this.gameOver("1/2", message);
 591       } else if (this.drawOffer == "") {
 592         // No effect if drawOffer == "sent"
 593         if (this.game.mycolor != this.vr.turn) {
 594           alert(this.st.tr["Draw offer only in your turn"]);
 595           return;
 596         }
 597         if (!confirm(this.st.tr["Offer draw?"])) return;
 598         this.drawOffer = "sent";
 599         this.send("drawoffer");
 600         GameStorage.update(this.gameRef.id, { drawOffer: this.game.mycolor });
 601       }
 602     },
 603     abortGame: function() {
 604       if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"])) return;
 605       this.gameOver("?", "Stop");
 606       this.send("abort");
 607     },
 608     resign: function() {
 609       if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
 610         return;
 611       this.send("resign", { data: this.game.mycolor });
 612       const score = this.game.mycolor == "w" ? "0-1" : "1-0";
 613       const side = this.game.mycolor == "w" ? "White" : "Black";
 614       this.gameOver(score, side + " surrender");
 615     },
 616     // 3 cases for loading a game:
 617     //  - from indexedDB (running or completed live game I play)
 618     //  - from server (one correspondance game I play[ed] or not)
 619     //  - from remote peer (one live game I don't play, finished or not)
 620     loadGame: function(game, callback) {
 621       const afterRetrieval = async game => {
 622         const vModule = await import("@/variants/" + game.vname + ".js");
 623         window.V = vModule.VariantRules;
 624         this.vr = new V(game.fen);
 625         const gtype = game.cadence.indexOf("d") >= 0 ? "corr" : "live";
 626         const tc = extractTime(game.cadence);
 627         const myIdx = game.players.findIndex(p => {
 628           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 629         });
 630         const mycolor = [undefined, "w", "b"][myIdx + 1]; //undefined for observers
 631         if (!game.chats) game.chats = []; //live games don't have chat history
 632         if (gtype == "corr") {
 633           if (game.players[0].color == "b") {
 634             // Adopt the same convention for live and corr games: [0] = white
 635             [game.players[0], game.players[1]] = [
 636               game.players[1],
 637               game.players[0]
 638             ];
 639           }
 640           // NOTE: clocks in seconds, initime in milliseconds
 641           game.moves.sort((m1, m2) => m1.idx - m2.idx); //in case of
 642           game.clocks = [tc.mainTime, tc.mainTime];
 643           const L = game.moves.length;
 644           if (game.score == "*") {
 645             // Set clocks + initime
 646             game.initime = [0, 0];
 647             if (L >= 1) {
 648               const gameLastupdate = game.moves[L-1].played;
 649               game.initime[L % 2] = gameLastupdate;
 650               if (L >= 2) {
 651                 game.clocks[L % 2] =
 652                   tc.mainTime - (Date.now() - gameLastupdate) / 1000;
 653               }
 654             }
 655           }
 656           // Sort chat messages from newest to oldest
 657           game.chats.sort((c1, c2) => {
 658             return c2.added - c1.added;
 659           });
 660           if (myIdx >= 0 && game.score == "*" && game.chats.length > 0) {
 661             // Did a chat message arrive after my last move?
 662             let dtLastMove = 0;
 663             if (L == 1 && myIdx == 0)
 664               dtLastMove = game.moves[0].played;
 665             else if (L >= 2) {
 666               if (L % 2 == 0) {
 667                 // It's now white turn
 668                 dtLastMove = game.moves[L-1-(1-myIdx)].played;
 669               } else {
 670                 // Black turn:
 671                 dtLastMove = game.moves[L-1-myIdx].played;
 672               }
 673             }
 674             if (dtLastMove < game.chats[0].added)
 675               document.getElementById("chatBtn").classList.add("somethingnew");
 676           }
 677           // Now that we used idx and played, re-format moves as for live games
 678           game.moves = game.moves.map(m => m.squares);
 679         }
 680         if (gtype == "live" && game.clocks[0] < 0) {
 681           // Game is unstarted
 682           game.clocks = [tc.mainTime, tc.mainTime];
 683           if (game.score == "*") {
 684             game.initime[0] = Date.now();
 685             if (myIdx >= 0) {
 686               // I play in this live game; corr games don't have clocks+initime
 687               GameStorage.update(game.id, {
 688                 clocks: game.clocks,
 689                 initime: game.initime
 690               });
 691             }
 692           }
 693         }
 694         if (!!game.drawOffer) {
 695           if (game.drawOffer == "t")
 696             // Three repetitions
 697             this.drawOffer = "threerep";
 698           else {
 699             // Draw offered by any of the players:
 700             if (myIdx < 0) this.drawOffer = "received";
 701             else {
 702               // I play in this game:
 703               if (
 704                 (game.drawOffer == "w" && myIdx == 0) ||
 705                 (game.drawOffer == "b" && myIdx == 1)
 706               )
 707                 this.drawOffer = "sent";
 708               else this.drawOffer = "received";
 709             }
 710           }
 711         }
 712         this.repeat = {}; //reset: scan past moves' FEN:
 713         let repIdx = 0;
 714         let vr_tmp = new V(game.fenStart);
 715         let curTurn = "n";
 716         game.moves.forEach(m => {
 717           playMove(m, vr_tmp);
 718           const fenIdx = vr_tmp.getFen().replace(/ /g, "_");
 719           this.repeat[fenIdx] = this.repeat[fenIdx]
 720             ? this.repeat[fenIdx] + 1
 721             : 1;
 722         });
 723         if (this.repeat[repIdx] >= 3) this.drawOffer = "threerep";
 724         this.game = Object.assign(
 725           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 726           {
 727             type: gtype,
 728             increment: tc.increment,
 729             mycolor: mycolor,
 730             // opponent sid not strictly required (or available), but easier
 731             // at least oppsid or oppid is available anyway:
 732             oppsid: myIdx < 0 ? undefined : game.players[1 - myIdx].sid,
 733             oppid: myIdx < 0 ? undefined : game.players[1 - myIdx].uid,
 734             addTimes: [], //used for live games
 735           },
 736           game,
 737         );
 738         if (this.gameIsLoading)
 739           // Re-load game because we missed some moves:
 740           // artificially reset BaseGame (required if moves arrived in wrong order)
 741           this.$refs["basegame"].re_setVariables();
 742         this.re_setClocks();
 743         this.$nextTick(() => {
 744           this.game.rendered = true;
 745           // Did lastate arrive before game was rendered?
 746           if (this.lastate) this.processLastate();
 747         });
 748         if (this.gameIsLoading) {
 749           this.gameIsLoading = false;
 750           if (this.gotMoveIdx >= game.moves.length)
 751             // Some moves arrived meanwhile...
 752             this.askGameAgain();
 753         }
 754         if (!!callback) callback();
 755       };
 756       if (!!game) {
 757         afterRetrieval(game);
 758         return;
 759       }
 760       if (this.gameRef.rid) {
 761         // Remote live game: forgetting about callback func... (TODO: design)
 762         this.send("askfullgame", { target: this.gameRef.rid });
 763       } else {
 764         // Local or corr game
 765         // NOTE: afterRetrieval() is never called if game not found
 766         GameStorage.get(this.gameRef.id, afterRetrieval);
 767       }
 768     },
 769     re_setClocks: function() {
 770       if (this.game.moves.length < 2 || this.game.score != "*") {
 771         // 1st move not completed yet, or game over: freeze time
 772         this.virtualClocks = this.game.clocks.map(s => ppt(s).split(':'));
 773         return;
 774       }
 775       const currentTurn = this.vr.turn;
 776       const currentMovesCount = this.game.moves.length;
 777       const colorIdx = ["w", "b"].indexOf(currentTurn);
 778       let countdown =
 779         this.game.clocks[colorIdx] -
 780         (Date.now() - this.game.initime[colorIdx]) / 1000;
 781       this.virtualClocks = [0, 1].map(i => {
 782         const removeTime =
 783           i == colorIdx ? (Date.now() - this.game.initime[colorIdx]) / 1000 : 0;
 784         return ppt(this.game.clocks[i] - removeTime).split(':');
 785       });
 786       let clockUpdate = setInterval(() => {
 787         if (
 788           countdown < 0 ||
 789           this.game.moves.length > currentMovesCount ||
 790           this.game.score != "*"
 791         ) {
 792           clearInterval(clockUpdate);
 793           if (countdown < 0)
 794             this.gameOver(
 795               currentTurn == "w" ? "0-1" : "1-0",
 796               "Time"
 797             );
 798         } else
 799           this.$set(
 800             this.virtualClocks,
 801             colorIdx,
 802             ppt(Math.max(0, --countdown)).split(':')
 803           );
 804       }, 1000);
 805     },
 806     // Update variables and storage after a move:
 807     processMove: function(move, data) {
 808       if (!data) data = {};
 809       const moveCol = this.vr.turn;
 810       const doProcessMove = () => {
 811         const colorIdx = ["w", "b"].indexOf(moveCol);
 812         const nextIdx = 1 - colorIdx;
 813         const origMovescount = this.game.moves.length;
 814         let addTime =
 815           this.game.type == "live"
 816             ? (data.addTime || 0)
 817             : undefined;
 818         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
 819           if (this.drawOffer == "received")
 820             // I refuse draw
 821             this.drawOffer = "";
 822           if (this.game.type == "live" && origMovescount >= 2) {
 823             const elapsed = Date.now() - this.game.initime[colorIdx];
 824             // elapsed time is measured in milliseconds
 825             addTime = this.game.increment - elapsed / 1000;
 826           }
 827         }
 828         // Update current game object:
 829         playMove(move, this.vr);
 830 // TODO: notifyTurn: "changeturn" message
 831         this.game.moves.push(move);
 832         // (add)Time indication: useful in case of lastate infos requested
 833         if (this.game.type == "live")
 834           this.game.addTimes.push(addTime);
 835         this.game.fen = this.vr.getFen();
 836         if (this.game.type == "live") this.game.clocks[colorIdx] += addTime;
 837         // In corr games, just reset clock to mainTime:
 838         else this.game.clocks[colorIdx] = extractTime(this.game.cadence).mainTime;
 839         // data.initime is set only when I receive a "lastate" move from opponent
 840         this.game.initime[nextIdx] = data.initime || Date.now();
 841         this.re_setClocks();
 842         // If repetition detected, consider that a draw offer was received:
 843         const fenObj = this.vr.getFenForRepeat();
 844         this.repeat[fenObj] = this.repeat[fenObj] ? this.repeat[fenObj] + 1 : 1;
 845         if (this.repeat[fenObj] >= 3) this.drawOffer = "threerep";
 846         else if (this.drawOffer == "threerep") this.drawOffer = "";
 847         // Since corr games are stored at only one location, update should be
 848         // done only by one player for each move:
 849         if (!!this.game.mycolor && !data.receiveMyMove) {
 850           // NOTE: 'var' to see that variable outside this block
 851           var filtered_move = getFilteredMove(move);
 852         }
 853         if (
 854           !!this.game.mycolor &&
 855           !data.receiveMyMove &&
 856           (this.game.type == "live" || moveCol == this.game.mycolor)
 857         ) {
 858           let drawCode = "";
 859           switch (this.drawOffer) {
 860             case "threerep":
 861               drawCode = "t";
 862               break;
 863             case "sent":
 864               drawCode = this.game.mycolor;
 865               break;
 866             case "received":
 867               drawCode = V.GetOppCol(this.game.mycolor);
 868               break;
 869           }
 870           if (this.game.type == "corr") {
 871             GameStorage.update(this.gameRef.id, {
 872               fen: this.game.fen,
 873               move: {
 874                 squares: filtered_move,
 875                 played: Date.now(),
 876                 idx: origMovescount
 877               },
 878               // Code "n" for "None" to force reset (otherwise it's ignored)
 879               drawOffer: drawCode || "n"
 880             });
 881           }
 882           else {
 883             const updateStorage = () => {
 884               GameStorage.update(this.gameRef.id, {
 885                 fen: this.game.fen,
 886                 move: filtered_move,
 887                 moveIdx: origMovescount,
 888                 clocks: this.game.clocks,
 889                 initime: this.game.initime,
 890                 drawOffer: drawCode
 891               });
 892             };
 893             // The active tab can update storage immediately
 894             if (!document.hidden) updateStorage();
 895             // Small random delay otherwise
 896             else setTimeout(updateStorage, 500 + 1000 * Math.random());
 897           }
 898         }
 899         // Send move ("newmove" event) to people in the room (if our turn)
 900         if (moveCol == this.game.mycolor && !data.receiveMyMove) {
 901           const sendMove = {
 902             move: filtered_move,
 903             index: origMovescount,
 904             // color is required to check if this is my move (if several tabs opened)
 905             color: moveCol,
 906             addTime: addTime, //undefined for corr games
 907             cancelDrawOffer: this.drawOffer == ""
 908           };
 909           this.opponentGotMove = false;
 910           this.send("newmove", {data: sendMove});
 911           // If the opponent doesn't reply gotmove soon enough, re-send move:
 912           let retrySendmove = setInterval(
 913             () => {
 914               if (this.opponentGotMove) {
 915                 clearInterval(retrySendmove);
 916                 return;
 917               }
 918               let oppsid = this.game.players[nextIdx].sid;
 919               if (!oppsid) {
 920                 oppsid = Object.keys(this.people).find(
 921                   sid => this.people[sid].id == this.game.players[nextIdx].uid
 922                 );
 923               }
 924               if (!oppsid || !this.people[oppsid])
 925                 // Opponent is disconnected: he'll ask last state
 926                 clearInterval(retrySendmove);
 927               else this.send("newmove", {data: sendMove, target: oppsid});
 928             },
 929             1000
 930           );
 931         }
 932       };
 933       if (
 934         this.game.type == "corr" &&
 935         moveCol == this.game.mycolor &&
 936         !data.receiveMyMove
 937       ) {
 938         setTimeout(() => {
 939           // TODO: remplacer cette confirm box par qqch de plus discret
 940           // (et de même pour challenge accepté / refusé)
 941           if (
 942             !confirm(
 943               this.st.tr["Move played:"] +
 944                 " " +
 945                 getFullNotation(move) +
 946                 "\n" +
 947                 this.st.tr["Are you sure?"]
 948             )
 949           ) {
 950             this.$refs["basegame"].cancelLastMove();
 951             return;
 952           }
 953           doProcessMove();
 954         // Let small time to finish drawing current move attempt:
 955         }, 500);
 956       }
 957       else doProcessMove();
 958     },
 959     gameOver: function(score, scoreMsg) {
 960       this.game.score = score;
 961       this.$set(this.game, "scoreMsg", scoreMsg || getScoreMessage(score));
 962       const myIdx = this.game.players.findIndex(p => {
 963         return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 964       });
 965       if (myIdx >= 0) {
 966         // OK, I play in this game
 967         GameStorage.update(this.gameRef.id, {
 968           score: score,
 969           scoreMsg: scoreMsg
 970         });
 971         // Notify the score to main Hall. TODO: only one player (currently double send)
 972         this.send("result", { gid: this.game.id, score: score });
 973       }
 974     }
 975   }
 976 };
 977 </script>
 978
 979 <style lang="sass" scoped>
 980 .connected
 981   background-color: lightgreen
 982
 983 #participants
 984   margin-left: 5px
 985
 986 .anonymous
 987   color: grey
 988   font-style: italic
 989
 990 #playersInfo > p
 991   margin: 0
 992
 993 @media screen and (min-width: 768px)
 994   #actions
 995     width: 300px
 996 @media screen and (max-width: 767px)
 997   .game
 998     width: 100%
 999
1000 #actions
1001   display: inline-block
1002   margin: 0
1003
1004 button
1005   display: inline-block
1006   margin: 0
1007   display: inline-flex
1008   img
1009     height: 24px
1010     display: flex
1011     @media screen and (max-width: 767px)
1012       height: 18px
1013
1014 @media screen and (max-width: 767px)
1015   #aboveBoard
1016     text-align: center
1017 @media screen and (min-width: 768px)
1018   #aboveBoard
1019     margin-left: 30%
1020
1021 .variant-cadence
1022   padding-right: 10px
1023
1024 .variant-name
1025   font-weight: bold
1026   padding-right: 10px
1027
1028 span#nextGame
1029   background-color: #edda99
1030   cursor: pointer
1031   display: inline-block
1032   margin-right: 10px
1033
1034 span.name
1035   font-size: 1.5rem
1036   padding: 0 3px
1037
1038 span.time
1039   font-size: 2rem
1040   display: inline-block
1041   .time-left
1042     margin-left: 10px
1043   .time-right
1044     margin-left: 5px
1045   .time-separator
1046     margin-left: 5px
1047     position: relative
1048     top: -1px
1049
1050 span.yourturn
1051   color: #831B1B
1052   .time-separator
1053     animation: blink-animation 2s steps(3, start) infinite
1054 @keyframes blink-animation
1055   to
1056     visibility: hidden
1057
1058 .split-names
1059   display: inline-block
1060   margin: 0 15px
1061
1062 #chat
1063   padding-top: 20px
1064   max-width: 767px
1065   border: none;
1066
1067 .draw-sent, .draw-sent:hover
1068   background-color: lightyellow
1069
1070 .draw-received, .draw-received:hover
1071   background-color: lightgreen
1072
1073 .draw-threerep, .draw-threerep:hover
1074   background-color: #e4d1fc
1075
1076 .somethingnew
1077   background-color: #c5fefe
1078 </style>