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