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