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           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 => 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: just give game; observers are listed here anyway:
 239           // ==> mark request SID as someone to send moves to
 240           // NOT to all people array: our opponent can send moves too!
 241           break;
 242         case "fullgame":
 243           // and when receiving answer just call loadGame(received_game)
 244           this.loadGame(data.game);
 245           break;
 246         // TODO: drawaccepted (click draw button before sending move
 247         // ==> draw offer in move)
 248         // ==> on "newmove", check "drawOffer" field
 249         case "connect":
 250         {
 251           this.people.push({name:"", id:0, sid:data.from});
 252           this.st.conn.send(JSON.stringify({code:"askidentity", target:data.from}));
 253           break;
 254         }
 255         case "disconnect":
 256           ArrayFun.remove(this.people, p => p.sid == data.from);
 257           break;
 258       }
 259     },
 260     offerDraw: function() {
 261       // TODO: also for corr games
 262       if (this.drawOffer == "received")
 263       {
 264         if (!confirm("Accept draw?"))
 265           return;
 266         const oppsid = this.getOppSid();
 267         if (!!oppsid)
 268           this.st.conn.send(JSON.stringify({code:"draw", target:oppsid}));
 269         this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 270       }
 271       else if (this.drawOffer == "sent")
 272         this.drawOffer = "";
 273       else
 274       {
 275         if (!confirm("Offer draw?"))
 276           return;
 277         const oppsid = this.getOppSid();
 278         if (!!oppsid)
 279           this.st.conn.send(JSON.stringify({code:"drawoffer", target:oppsid}));
 280       }
 281     },
 282     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 283     receiveDrawOffer: function() {
 284       //if (...)
 285       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 286       // if accept: send message "draw"
 287     },
 288     abortGame: function(event) {
 289       let modalBox = document.getElementById("modalAbort");
 290       if (!event)
 291       {
 292         // First call show options:
 293         modalBox.checked = true;
 294       }
 295       else
 296       {
 297         modalBox.checked = false; //decision made: box disappear
 298         const message = event.target.innerText;
 299         // Next line will trigger a "gameover" event, bubbling up till here
 300         this.$refs["basegame"].endGame("?", "Abort: " + message);
 301         const oppsid = this.getOppSid();
 302         if (!!oppsid)
 303         {
 304           this.st.conn.send(JSON.stringify({
 305             code: "abort",
 306             msg: message,
 307             target: oppsid,
 308           }));
 309         }
 310       }
 311     },
 312     resign: function(e) {
 313       if (!confirm("Resign the game?"))
 314         return;
 315       const oppsid = this.getOppSid();
 316       if (!!oppsid)
 317       {
 318         this.st.conn.send(JSON.stringify({
 319           code: "resign",
 320           target: oppsid,
 321         }));
 322       }
 323       // Next line will trigger a "gameover" event, bubbling up till here
 324       this.$refs["basegame"].endGame(
 325         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 326     },
 327     // 3 cases for loading a game:
 328     //  - from indexedDB (running or completed live game I play)
 329     //  - from server (one correspondance game I play[ed] or not)
 330     //  - from remote peer (one live game I don't play, finished or not)
 331     loadGame: function(game) {
 332       const afterRetrieval = async (game) => {
 333         const vModule = await import("@/variants/" + game.vname + ".js");
 334         window.V = vModule.VariantRules;
 335         this.vr = new V(game.fen);
 336         const gtype = (game.timeControl.indexOf('d') >= 0 ? "corr" : "live");
 337         const tc = extractTime(game.timeControl);
 338         if (gtype == "corr")
 339         {
 340           if (game.players[0].color == "b")
 341           {
 342             // Adopt the same convention for live and corr games: [0] = white
 343             [ game.players[0], game.players[1] ] =
 344               [ game.players[1], game.players[0] ];
 345           }
 346           // corr game: needs to compute the clocks + initime
 347           game.clocks = [tc.mainTime, tc.mainTime];
 348           game.initime = [0, 0];
 349           const L = game.moves.length;
 350           game.moves.sort((m1,m2) => m1.idx - m2.idx); //in case of
 351           if (L >= 3)
 352           {
 353             let addTime = [0, 0];
 354             for (let i=2; i<L; i++)
 355             {
 356               addTime[i%2] += tc.increment -
 357                 (game.moves[i].played - game.moves[i-1].played);
 358             }
 359             for (let i=0; i<=1; i++)
 360               game.clocks[i] += addTime[i];
 361           }
 362           if (L >= 1)
 363             game.initime[L%2] = game.moves[L-1].played;
 364           // Now that we used idx and played, re-format moves as for live games
 365           game.moves = game.moves.map( (m) => {
 366             const s = m.squares;
 367             return {
 368               appear: s.appear,
 369               vanish: s.vanish,
 370               start: s.start,
 371               end: s.end,
 372               message: m.message,
 373             };
 374           });
 375         }
 376         const myIdx = game.players.findIndex(p => {
 377           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 378         });
 379         if (gtype == "live" && game.clocks[0] < 0) //game unstarted
 380         {
 381           game.clocks = [tc.mainTime, tc.mainTime];
 382           game.initime[0] = Date.now();
 383           if (myIdx >= 0)
 384           {
 385             // I play in this live game; corr games don't have clocks+initime
 386             GameStorage.update(game.id,
 387             {
 388               clocks: game.clocks,
 389               initime: game.initime,
 390             });
 391           }
 392         }
 393         this.game = Object.assign({},
 394           game,
 395           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 396           {
 397             type: gtype,
 398             increment: tc.increment,
 399             mycolor: [undefined,"w","b"][myIdx+1],
 400             // opponent sid not strictly required (or available), but easier
 401             // at least oppsid or oppid is available anyway:
 402             oppsid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
 403             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].uid),
 404           }
 405         );
 406       };
 407       if (!!game)
 408         return afterRetrival(game);
 409       if (!!this.gameRef.rid)
 410       {
 411         // Remote live game
 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 opponent(s) (if ours)
 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         if (!!oppsid)
 451         {
 452           this.st.conn.send(JSON.stringify({
 453             code: "newmove",
 454             target: oppsid,
 455             move: sendMove,
 456           }));
 457         }
 458         if (this.game.type == "corr" && this.corrMsg != "")
 459         {
 460           // Add message to last move in BaseGame:
 461           // TODO: not very good style...
 462           this.$refs["basegame"].setCurrentMessage(this.corrMsg);
 463         }
 464       }
 465       else
 466         addTime = move.addTime; //supposed transmitted
 467       const nextIdx = ["w","b"].indexOf(this.vr.turn);
 468       // Since corr games are stored at only one location, update should be
 469       // done only by one player for each move:
 470       if (this.game.type == "live" || move.color == this.game.mycolor)
 471       {
 472         if (this.game.type == "corr")
 473         {
 474           GameStorage.update(this.gameRef.id,
 475           {
 476             fen: move.fen,
 477             move:
 478             {
 479               squares: filtered_move,
 480               message: this.corrMsg,
 481               played: Date.now(), //TODO: on server?
 482               idx: this.game.moves.length,
 483             },
 484           });
 485         }
 486         else //live
 487         {
 488           GameStorage.update(this.gameRef.id,
 489           {
 490             fen: move.fen,
 491             move: filtered_move,
 492             clocks: this.game.clocks.map((t,i) => i==colorIdx
 493               ? this.game.clocks[i] + addTime
 494               : this.game.clocks[i]),
 495             initime: this.game.initime.map((t,i) => i==nextIdx
 496               ? Date.now()
 497               : this.game.initime[i]),
 498           });
 499         }
 500       }
 501       // Also update current game object:
 502       this.game.moves.push(move);
 503       this.game.fen = move.fen;
 504       //TODO: just this.game.clocks[colorIdx] += addTime;
 505       this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
 506       this.game.initime[nextIdx] = Date.now();
 507       // Finally reset curMoveMessage if needed
 508       if (this.game.type == "corr" && move.color == this.game.mycolor)
 509         this.corrMsg = "";
 510     },
 511     gameOver: function(score) {
 512       this.game.mode = "analyze";
 513       this.game.score = score;
 514       GameStorage.update(this.gameRef.id, { score: score });
 515     },
 516   },
 517 };
 518 </script>
 519
 520 <style lang="sass">
 521 // TODO
 522 </style>