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