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