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