client/src/views/Game.vue

   1 <template lang="pug">
   2 .row
   3   .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
   4     input#modalAbort.modal(type="checkbox")
   5     div(role="dialog" aria-labelledby="abortBoxTitle")
   6       .card.smallpad.small-modal.text-center
   7         label.modal-close(for="modalAbort")
   8         h3#abortBoxTitle.section {{ st.tr["Terminate game?"] }}
   9         button(@click="abortGame") {{ st.tr["Sorry I have to go"] }}
  10         button(@click="abortGame") {{ st.tr["Game seems over"] }}
  11         button(@click="abortGame") {{ st.tr["Opponent is gone"] }}
  12     BaseGame(:game="game" :vr="vr" ref="basegame"
  13       @newmove="processMove" @gameover="gameOver")
  14     div Names: {{ game.players[0].name }} - {{ game.players[1].name }}
  15     div(v-if="game.score=='*'") Time: {{ virtualClocks[0] }} - {{ virtualClocks[1] }}
  16     .button-group(v-if="game.mode!='analyze' && game.score=='*'")
  17       button(@click="offerDraw") Draw
  18       button(@click="() => abortGame()") Abort
  19       button(@click="resign") Resign
  20     textarea(v-if="game.score=='*'" v-model="corrMsg")
  21     Chat(:players="game.players")
  22 </template>
  23
  24 <script>
  25 import BaseGame from "@/components/BaseGame.vue";
  26 import Chat from "@/components/Chat.vue";
  27 import { store } from "@/store";
  28 import { GameStorage } from "@/utils/gameStorage";
  29 import { ppt } from "@/utils/datetime";
  30 import { extractTime } from "@/utils/timeControl";
  31 import { ArrayFun } from "@/utils/array";
  32
  33 export default {
  34   name: 'my-game',
  35   components: {
  36     BaseGame,
  37     Chat,
  38   },
  39   // gameRef: to find the game in (potentially remote) storage
  40   data: function() {
  41     return {
  42       st: store.state,
  43       gameRef: { //given in URL (rid = remote ID)
  44         id: "",
  45         rid: ""
  46       },
  47       game: {players:[{name:""},{name:""}]}, //passed to BaseGame
  48       corrMsg: "", //to send offline messages in corr games
  49       virtualClocks: [0, 0], //initialized with true game.clocks
  50       vr: null, //"variant rules" object initialized from FEN
  51       drawOffer: "", //TODO: use for button style
  52       people: [], //players + observers
  53     };
  54   },
  55   watch: {
  56     "$route": function(to, from) {
  57       this.gameRef.id = to.params["id"];
  58       this.gameRef.rid = to.query["rid"];
  59       this.loadGame();
  60     },
  61     "game.clocks": function(newState) {
  62       if (this.game.moves.length < 2)
  63       {
  64         // 1st move not completed yet: freeze time
  65         this.virtualClocks = newState.map(s => ppt(s));
  66         return;
  67       }
  68       const currentTurn = this.vr.turn;
  69       const colorIdx = ["w","b"].indexOf(currentTurn);
  70       let countdown = newState[colorIdx] -
  71         (Date.now() - this.game.initime[colorIdx])/1000;
  72       this.virtualClocks = [0,1].map(i => {
  73         const removeTime = i == colorIdx
  74           ? (Date.now() - this.game.initime[colorIdx])/1000
  75           : 0;
  76         return ppt(newState[i] - removeTime);
  77       });
  78       let clockUpdate = setInterval(() => {
  79         if (countdown < 0 || this.vr.turn != currentTurn || this.game.score != "*")
  80         {
  81           clearInterval(clockUpdate);
  82           if (countdown < 0)
  83           {
  84             this.$refs["basegame"].endGame(
  85               this.vr.turn=="w" ? "0-1" : "1-0", "Time");
  86           }
  87         }
  88         else
  89         {
  90           // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
  91           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
  92         }
  93       }, 1000);
  94     },
  95   },
  96   // TODO: redundant code with Hall.vue (related to people array)
  97   created: function() {
  98     // Always add myself to players' list
  99     const my = this.st.user;
 100     this.people.push({sid:my.sid, id:my.id, name:my.name});
 101     this.gameRef.id = this.$route.params["id"];
 102     this.gameRef.rid = this.$route.query["rid"]; //may be undefined
 103     if (!this.gameRef.rid)
 104       this.loadGame(); //local or corr: can load from now
 105     // TODO: mode analyse (/analyze/Atomic/rn
 106     // ... fen = query[], vname=params[] ...
 107     // 0.1] Ask server for room composition:
 108     const initialize = () => {
 109       // Poll clients + load game if stored remotely
 110       this.st.conn.send(JSON.stringify({code:"pollclients"}));
 111       if (!!this.gameRef.rid)
 112         this.loadGame();
 113     };
 114     if (!!this.st.conn && this.st.conn.readyState == 1) //1 == OPEN state
 115       initialize();
 116     else //socket not ready yet (initial loading)
 117       this.st.conn.onopen = initialize;
 118     this.st.conn.onmessage = this.socketMessageListener;
 119     const socketCloseListener = () => {
 120       store.socketCloseListener(); //reinitialize connexion (in store.js)
 121       this.st.conn.addEventListener('message', this.socketMessageListener);
 122       this.st.conn.addEventListener('close', socketCloseListener);
 123     };
 124     this.st.conn.onclose = socketCloseListener;
 125   },
 126   methods: {
 127     getOppSid: function() {
 128       if (!!this.game.oppsid)
 129         return this.game.oppsid;
 130       const opponent = this.people.find(p => p.id == this.game.oppid);
 131       return (!!opponent ? opponent.sid : null);
 132     },
 133     socketMessageListener: function(msg) {
 134       const data = JSON.parse(msg.data);
 135       switch (data.code)
 136       {
 137         // 0.2] Receive clients list (just socket IDs)
 138         case "pollclients":
 139         {
 140           data.sockIds.forEach(sid => {
 141             this.people.push({sid:sid, id:0, name:""});
 142             // Ask only identity
 143             this.st.conn.send(JSON.stringify({code:"askidentity", target:sid}));
 144           });
 145           break;
 146         }
 147         case "askidentity":
 148         {
 149           // Request for identification: reply if I'm not anonymous
 150           if (this.st.user.id > 0)
 151           {
 152             this.st.conn.send(JSON.stringify(
 153               // people[0] instead of st.user to avoid sending email
 154               {code:"identity", user:this.people[0], target:data.from}));
 155           }
 156           break;
 157         }
 158         case "identity":
 159         {
 160           let player = this.people.find(p => p.sid == data.user.sid);
 161           // NOTE: sometimes player.id fails because player is undefined...
 162           // Probably because the event was meant for Hall?
 163           if (!player)
 164             return;
 165           player.id = data.user.id;
 166           player.name = data.user.name;
 167           // Sending last state only for live games: corr games are complete
 168           if (this.game.type == "live" && this.game.oppsid == player.sid)
 169           {
 170             // Send our "last state" informations to opponent
 171             const L = this.game.moves.length;
 172             this.st.conn.send(JSON.stringify({
 173               code: "lastate",
 174               target: player.sid,
 175               state:
 176               {
 177                 lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 178                 score: this.game.score,
 179                 movesCount: L,
 180                 drawOffer: this.drawOffer,
 181                 clocks: this.game.clocks,
 182               }
 183             }));
 184           }
 185           break;
 186         }
 187         case "askgame":
 188           // Send current (live) game
 189           const myGame =
 190           {
 191             // Minimal game informations:
 192             id: this.game.id,
 193             players: this.game.players.map(p => { return {name:p.name}; }),
 194             vid: this.game.vid,
 195             timeControl: this.game.timeControl,
 196           };
 197           this.st.conn.send(JSON.stringify({code:"game",
 198             game:myGame, target:data.from}));
 199           break;
 200         case "newmove":
 201           // NOTE: this call to play() will trigger processMove()
 202           this.$refs["basegame"].play(data.move,
 203             "receive", this.game.vname!="Dark" ? "animate" : null);
 204           break;
 205         case "lastate": //got opponent infos about last move
 206         {
 207           const L = this.game.moves.length;
 208           if (data.movesCount > L)
 209           {
 210             // Just got last move from him
 211             this.$refs["basegame"].play(data.lastMove,
 212               "receive", this.game.vname!="Dark" ? "animate" : null);
 213             if (data.score != "*" && this.game.score == "*")
 214             {
 215               // Opponent resigned or aborted game, or accepted draw offer
 216               // (this is not a stalemate or checkmate)
 217               this.$refs["basegame"].endGame(data.score, "Opponent action");
 218             }
 219             this.game.clocks = data.clocks; //TODO: check this?
 220             this.drawOffer = data.drawOffer; //does opponent offer draw?
 221           }
 222           break;
 223         }
 224         case "resign":
 225           this.$refs["basegame"].endGame(
 226             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 227           break;
 228         case "abort":
 229           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 230           break;
 231         case "draw":
 232           this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 233           break;
 234         case "drawoffer":
 235           this.drawOffer = "received";
 236           break;
 237         case "askfullgame":
 238           // TODO: use data.id to retrieve game in indexedDB (but for now only one running game so OK)
 239           this.st.conn.send(JSON.stringify({code:"fullgame", game:this.game, target:data.from}));
 240           break;
 241         case "fullgame":
 242           this.loadGame(data.game);
 243           break;
 244         // TODO: drawaccepted (click draw button before sending move
 245         // ==> draw offer in move)
 246         // ==> on "newmove", check "drawOffer" field
 247         case "connect":
 248         {
 249           this.people.push({name:"", id:0, sid:data.from});
 250           this.st.conn.send(JSON.stringify({code:"askidentity", target:data.from}));
 251           break;
 252         }
 253         case "disconnect":
 254           ArrayFun.remove(this.people, p => p.sid == data.from);
 255           break;
 256       }
 257     },
 258     offerDraw: function() {
 259       // TODO: also for corr games
 260       if (this.drawOffer == "received")
 261       {
 262         if (!confirm("Accept draw?"))
 263           return;
 264         const oppsid = this.getOppSid();
 265         if (!!oppsid)
 266           this.st.conn.send(JSON.stringify({code:"draw", target:oppsid}));
 267         this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 268       }
 269       else if (this.drawOffer == "sent")
 270         this.drawOffer = "";
 271       else
 272       {
 273         if (!confirm("Offer draw?"))
 274           return;
 275         const oppsid = this.getOppSid();
 276         if (!!oppsid)
 277           this.st.conn.send(JSON.stringify({code:"drawoffer", target:oppsid}));
 278       }
 279     },
 280     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 281     receiveDrawOffer: function() {
 282       //if (...)
 283       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 284       // if accept: send message "draw"
 285     },
 286     abortGame: function(event) {
 287       let modalBox = document.getElementById("modalAbort");
 288       if (!event)
 289       {
 290         // First call show options:
 291         modalBox.checked = true;
 292       }
 293       else
 294       {
 295         modalBox.checked = false; //decision made: box disappear
 296         const message = event.target.innerText;
 297         // Next line will trigger a "gameover" event, bubbling up till here
 298         this.$refs["basegame"].endGame("?", "Abort: " + message);
 299         const oppsid = this.getOppSid();
 300         if (!!oppsid)
 301         {
 302           this.st.conn.send(JSON.stringify({
 303             code: "abort",
 304             msg: message,
 305             target: oppsid,
 306           }));
 307         }
 308       }
 309     },
 310     resign: function(e) {
 311       if (!confirm("Resign the game?"))
 312         return;
 313       const oppsid = this.getOppSid();
 314       if (!!oppsid)
 315       {
 316         this.st.conn.send(JSON.stringify({
 317           code: "resign",
 318           target: oppsid,
 319         }));
 320       }
 321       // Next line will trigger a "gameover" event, bubbling up till here
 322       this.$refs["basegame"].endGame(
 323         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 324     },
 325     // 3 cases for loading a game:
 326     //  - from indexedDB (running or completed live game I play)
 327     //  - from server (one correspondance game I play[ed] or not)
 328     //  - from remote peer (one live game I don't play, finished or not)
 329     loadGame: function(game) {
 330       const afterRetrieval = async (game) => {
 331         const vModule = await import("@/variants/" + game.vname + ".js");
 332         window.V = vModule.VariantRules;
 333         this.vr = new V(game.fen);
 334         const gtype = (game.timeControl.indexOf('d') >= 0 ? "corr" : "live");
 335         const tc = extractTime(game.timeControl);
 336         if (gtype == "corr")
 337         {
 338           if (game.players[0].color == "b")
 339           {
 340             // Adopt the same convention for live and corr games: [0] = white
 341             [ game.players[0], game.players[1] ] =
 342               [ game.players[1], game.players[0] ];
 343           }
 344           // corr game: needs to compute the clocks + initime
 345           game.clocks = [tc.mainTime, tc.mainTime];
 346           game.initime = [0, 0];
 347           const L = game.moves.length;
 348           game.moves.sort((m1,m2) => m1.idx - m2.idx); //in case of
 349           if (L >= 3)
 350           {
 351             let addTime = [0, 0];
 352             for (let i=2; i<L; i++)
 353             {
 354               addTime[i%2] += tc.increment -
 355                 (game.moves[i].played - game.moves[i-1].played);
 356             }
 357             for (let i=0; i<=1; i++)
 358               game.clocks[i] += addTime[i];
 359           }
 360           if (L >= 1)
 361             game.initime[L%2] = game.moves[L-1].played;
 362           // Now that we used idx and played, re-format moves as for live games
 363           game.moves = game.moves.map( (m) => {
 364             const s = m.squares;
 365             return {
 366               appear: s.appear,
 367               vanish: s.vanish,
 368               start: s.start,
 369               end: s.end,
 370               message: m.message,
 371             };
 372           });
 373         }
 374         const myIdx = game.players.findIndex(p => {
 375           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 376         });
 377         if (gtype == "live" && game.clocks[0] < 0) //game unstarted
 378         {
 379           game.clocks = [tc.mainTime, tc.mainTime];
 380           game.initime[0] = Date.now();
 381           if (myIdx >= 0)
 382           {
 383             // I play in this live game; corr games don't have clocks+initime
 384             GameStorage.update(game.id,
 385             {
 386               clocks: game.clocks,
 387               initime: game.initime,
 388             });
 389           }
 390         }
 391         this.game = Object.assign({},
 392           game,
 393           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 394           {
 395             type: gtype,
 396             increment: tc.increment,
 397             mycolor: [undefined,"w","b"][myIdx+1],
 398             // opponent sid not strictly required (or available), but easier
 399             // at least oppsid or oppid is available anyway:
 400             oppsid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
 401             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].uid),
 402           }
 403         );
 404       };
 405       if (!!game)
 406         return afterRetrieval(game);
 407       if (!!this.gameRef.rid)
 408       {
 409         // Remote live game
 410         // (TODO: send game ID as well, and receiver would pick the corresponding
 411         // game in his current games; if allowed to play several)
 412         this.st.conn.send(JSON.stringify(
 413           {code:"askfullgame", target:this.gameRef.rid}));
 414         // (send moves updates + resign/abort/draw actions)
 415       }
 416       else
 417       {
 418         // Local or corr game
 419         GameStorage.get(this.gameRef.id, afterRetrieval);
 420       }
 421     },
 422     // Post-process a move (which was just played)
 423     processMove: function(move) {
 424       if (!this.game.mycolor)
 425         return; //I'm just an observer
 426       // Update storage (corr or live)
 427       const colorIdx = ["w","b"].indexOf(move.color);
 428       // https://stackoverflow.com/a/38750895
 429       const allowed_fields = ["appear", "vanish", "start", "end"];
 430       const filtered_move = Object.keys(move)
 431         .filter(key => allowed_fields.includes(key))
 432         .reduce((obj, key) => {
 433           obj[key] = move[key];
 434           return obj;
 435         }, {});
 436       // Send move ("newmove" event) to people in the room (if our turn)
 437       let addTime = 0;
 438       if (move.color == this.game.mycolor)
 439       {
 440         if (this.game.moves.length >= 2) //after first move
 441         {
 442           const elapsed = Date.now() - this.game.initime[colorIdx];
 443           // elapsed time is measured in milliseconds
 444           addTime = this.game.increment - elapsed/1000;
 445         }
 446         let sendMove = Object.assign({}, filtered_move, {addTime: addTime});
 447         if (this.game.type == "corr")
 448           sendMove.message = this.corrMsg;
 449         const oppsid = this.getOppSid();
 450         this.people.forEach(p => {
 451           if (p.sid != this.st.user.sid)
 452           {
 453             this.st.conn.send(JSON.stringify({
 454               code: "newmove",
 455               target: p.sid,
 456               move: sendMove,
 457             }));
 458           }
 459         });
 460         if (this.game.type == "corr" && this.corrMsg != "")
 461         {
 462           // Add message to last move in BaseGame:
 463           // TODO: not very good style...
 464           this.$refs["basegame"].setCurrentMessage(this.corrMsg);
 465         }
 466       }
 467       else
 468         addTime = move.addTime; //supposed transmitted
 469       const nextIdx = ["w","b"].indexOf(this.vr.turn);
 470       // Since corr games are stored at only one location, update should be
 471       // done only by one player for each move:
 472       if (this.game.type == "live" || move.color == this.game.mycolor)
 473       {
 474         if (this.game.type == "corr")
 475         {
 476           GameStorage.update(this.gameRef.id,
 477           {
 478             fen: move.fen,
 479             move:
 480             {
 481               squares: filtered_move,
 482               message: this.corrMsg,
 483               played: Date.now(), //TODO: on server?
 484               idx: this.game.moves.length,
 485             },
 486           });
 487         }
 488         else //live
 489         {
 490           GameStorage.update(this.gameRef.id,
 491           {
 492             fen: move.fen,
 493             move: filtered_move,
 494             clocks: this.game.clocks.map((t,i) => i==colorIdx
 495               ? this.game.clocks[i] + addTime
 496               : this.game.clocks[i]),
 497             initime: this.game.initime.map((t,i) => i==nextIdx
 498               ? Date.now()
 499               : this.game.initime[i]),
 500           });
 501         }
 502       }
 503       // Also update current game object:
 504       this.game.moves.push(move);
 505       this.game.fen = move.fen;
 506       //TODO: just this.game.clocks[colorIdx] += addTime;
 507       this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
 508       this.game.initime[nextIdx] = Date.now();
 509       // Finally reset curMoveMessage if needed
 510       if (this.game.type == "corr" && move.color == this.game.mycolor)
 511         this.corrMsg = "";
 512     },
 513     gameOver: function(score) {
 514       this.game.mode = "analyze";
 515       this.game.score = score;
 516       const myIdx = this.game.players.findIndex(p => {
 517         return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 518       });
 519       if (myIdx >= 0) //OK, I play in this game
 520         GameStorage.update(this.gameRef.id, { score: score });
 521     },
 522   },
 523 };
 524 </script>
 525
 526 <style lang="sass">
 527 // TODO
 528 </style>