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