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     // TODO: also show players names
  15     div 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     div(v-if="game.mode=='corr'")
  21       textarea(v-show="score=='*' && vr.turn==game.mycolor" v-model="corrMsg")
  22       div(v-show="cursor>=0") {{ moves[cursor].message }}
  23 </template>
  24
  25 <!--
  26 // TODO: movelist dans basegame et chat ici
  27 // ==> après, implémenter/vérifier les passages de challenges + parties en cours
  28 // observer,
  29 // + problèmes, habiller et publier. (+ corr...)
  30     // TODO: how to know who is observing ? Send message to everyone with game ID ?
  31     // and then just listen to (dis)connect events
  32     // server always send "connect on " + URL ; then add to observers if game...
  33 // router when access a game page tell to server I joined + game ID (no need rid)
  34 // and ask server for current joined (= observers)
  35 // when send to chat (or a move), reach only this group (send gid along)
  36 // -> doivent être enregistrés comme observers au niveau du serveur...
  37     // non: poll users + events startObserving / stopObserving
  38     // (à faire au niveau du routeur ?)
  39 -->
  40
  41 <script>
  42 import BaseGame from "@/components/BaseGame.vue";
  43 //import Chat from "@/components/Chat.vue";
  44 //import MoveList from "@/components/MoveList.vue";
  45 import { store } from "@/store";
  46 import { GameStorage } from "@/utils/gameStorage";
  47 import { ppt } from "@/utils/datetime";
  48 import { extractTime } from "@/utils/timeControl";
  49
  50 export default {
  51   name: 'my-game',
  52   components: {
  53     BaseGame,
  54   },
  55   // gameRef: to find the game in (potentially remote) storage
  56   data: function() {
  57     return {
  58       st: store.state,
  59       gameRef: { //given in URL (rid = remote ID)
  60         id: "",
  61         rid: ""
  62       },
  63       game: { }, //passed to BaseGame
  64       oppConnected: false,
  65       corrMsg: "", //to send offline messages in corr games
  66       virtualClocks: [0, 0], //initialized with true game.clocks
  67       vr: null, //"variant rules" object initialized from FEN
  68       drawOffer: "", //TODO: use for button style
  69       people: [ ], //potential observers (TODO)
  70     };
  71   },
  72   watch: {
  73     '$route' (to, from) {
  74       if (!!to.params["id"])
  75       {
  76         this.gameRef.id = to.params["id"];
  77         this.gameRef.rid = to.query["rid"];
  78         this.loadGame();
  79       }
  80     },
  81     "game.clocks": function(newState) {
  82       this.virtualClocks = newState.map(s => ppt(s));
  83       const currentTurn = this.vr.turn;
  84       const colorIdx = ["w","b"].indexOf(currentTurn);
  85       let countdown = newState[colorIdx] -
  86         (Date.now() - this.game.initime[colorIdx])/1000;
  87       const myTurn = (currentTurn == this.game.mycolor);
  88       let clockUpdate = setInterval(() => {
  89         if (countdown <= 0 || this.vr.turn != currentTurn)
  90         {
  91           clearInterval(clockUpdate);
  92           if (countdown <= 0 && myTurn)
  93           {
  94             this.$refs["basegame"].endGame(
  95               this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
  96             this.st.conn.send(JSON.stringify({
  97               code: "timeover",
  98               target: this.game.oppid,
  99             }));
 100           }
 101         }
 102         else
 103         {
 104           // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
 105           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
 106         }
 107       }, 1000);
 108     },
 109   },
 110   created: function() {
 111     if (!!this.$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     // TODO: onopen, ask lastState informations + update observers and players status
 118     const socketCloseListener = () => {
 119       store.socketCloseListener(); //reinitialize connexion (in store.js)
 120       this.st.conn.addEventListener('message', this.socketMessageListener);
 121       this.st.conn.addEventListener('close', socketCloseListener);
 122     };
 123     this.st.conn.onmessage = this.socketMessageListener;
 124     this.st.conn.onclose = socketCloseListener;
 125   },
 126   methods: {
 127     socketMessageListener: function(msg) {
 128       const data = JSON.parse(msg.data);
 129       switch (data.code)
 130       {
 131         case "newmove":
 132           // NOTE: next call will trigger processMove()
 133           this.$refs["basegame"].play(data.move,
 134             "receive", this.game.vname!="Dark" ? "animate" : null);
 135           break;
 136         case "pong": //received if we sent a ping (game still alive on our side)
 137         {
 138           this.oppConnected = true;
 139           // Send our "last state" informations to opponent(s)
 140           const L = this.game.moves.length;
 141           this.st.conn.send(JSON.stringify({
 142             code: "lastate",
 143             target: this.game.oppid,
 144             gameId: this.gameRef.id,
 145             lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 146             score: this.game.score,
 147             movesCount: L,
 148             drawOffer: this.drawOffer,
 149             clocks: this.game.clocks,
 150           }));
 151           break;
 152         }
 153         case "lastate": //got opponent infos about last move
 154         {
 155           const L = this.game.moves.length;
 156           if (this.gameRef.id != data.gameId)
 157             break; //games IDs don't match: nothing we can do...
 158           // OK, opponent still in game (which might be over)
 159           if (data.movesCount > L)
 160           {
 161             // Just got last move from him
 162             this.$refs["basegame"].play(data.lastMove, "receive");
 163             if (data.score != "*" && this.game.score == "*")
 164             {
 165               // Opponent resigned or aborted game, or accepted draw offer
 166               // (this is not a stalemate or checkmate)
 167               this.$refs["basegame"].endGame(data.score, "Opponent action");
 168             }
 169             this.game.clocks = data.clocks;
 170             this.drawOffer = data.drawOffer;
 171           }
 172           else if (data.movesCount < L)
 173           {
 174             // We must tell last move to opponent
 175             this.st.conn.send(JSON.stringify({
 176               code: "lastate",
 177               target: this.game.oppid,
 178               gameId: this.gameRef.id,
 179               lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 180               score: this.game.score,
 181               movesCount: L,
 182               drawOffer: this.drawOffer,
 183               clocks: this.game.clocks,
 184             }));
 185           }
 186           break;
 187         }
 188         case "resign":
 189           this.$refs["basegame"].endGame(
 190             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 191           break;
 192         case "timeover":
 193           this.$refs["basegame"].endGame(
 194             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 195           break;
 196         case "abort":
 197           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 198           break;
 199         case "draw":
 200           this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 201           break;
 202         case "drawoffer":
 203           this.drawOffer = "received";
 204           break;
 205         case "askfullgame":
 206           // TODO: just give game; observers are listed here anyway:
 207           // gameconnect?
 208           break;
 209         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 210           // ==> on "newmove", check "drawOffer" field
 211         // TODO: also use (dis)connect info to count online players?
 212         case "gameconnect":
 213         case "gamedisconnect":
 214           const online = (data.code == "gameconnect");
 215           // If this is an opponent ?
 216           if (this.game.oppid == data.id)
 217             this.oppConnected = true;
 218           else
 219           {
 220             // Or an observer ?
 221             if (!online)
 222               delete this.people[data.id];
 223             else
 224               this.people[data.id] = data.name;
 225           }
 226           break;
 227       }
 228     },
 229     offerDraw: function() {
 230       // TODO: also for corr games
 231       if (this.drawOffer == "received")
 232       {
 233         if (!confirm("Accept draw?"))
 234           return;
 235         this.st.conn.send(JSON.stringify({code:"draw", target:this.game.oppid}));
 236         this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 237       }
 238       else if (this.drawOffer == "sent")
 239         this.drawOffer = "";
 240       else
 241       {
 242         if (!confirm("Offer draw?"))
 243           return;
 244         this.st.conn.send(JSON.stringify({code:"drawoffer", target:this.game.oppid}));
 245       }
 246     },
 247     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 248     receiveDrawOffer: function() {
 249       //if (...)
 250       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 251       // if accept: send message "draw"
 252     },
 253     abortGame: function(event) {
 254       let modalBox = document.getElementById("modalAbort");
 255       if (!event)
 256       {
 257         // First call show options:
 258         modalBox.checked = true;
 259       }
 260       else
 261       {
 262         modalBox.checked = false; //decision made: box disappear
 263         const message = event.target.innerText;
 264         // Next line will trigger a "gameover" event, bubbling up till here
 265         this.$refs["basegame"].endGame("?", "Abort: " + message);
 266         this.st.conn.send(JSON.stringify({
 267           code: "abort",
 268           msg: message,
 269           target: this.game.oppid,
 270         }));
 271       }
 272     },
 273     resign: function(e) {
 274       if (!confirm("Resign the game?"))
 275         return;
 276       this.st.conn.send(JSON.stringify({
 277         code: "resign",
 278         target: this.game.oppid,
 279       }));
 280       // Next line will trigger a "gameover" event, bubbling up till here
 281       this.$refs["basegame"].endGame(
 282         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 283     },
 284     // 3 cases for loading a game:
 285     //  - from indexedDB (running or completed live game I play)
 286     //  - from server (one correspondance game I play[ed] or not)
 287     //  - from remote peer (one live game I don't play, finished or not)
 288     loadGame: function(game) {
 289       const afterRetrieval = async (game) => {
 290         const vname = this.st.variants.filter(v => v.id == game.vid)[0].name;
 291         const tc = extractTime(game.timeControl);
 292         if (game.clocks[0] < 0) //game unstarted
 293         {
 294           game.clocks = [tc.mainTime, tc.mainTime];
 295           game.initime[0] = Date.now();
 296         }
 297         const vModule = await import("@/variants/" + vname + ".js");
 298         window.V = vModule.VariantRules;
 299         this.vr = new V(game.fen);
 300         const myIdx = game.players.findIndex(p => p.sid == this.st.user.sid);
 301         this.game = Object.assign({},
 302           game,
 303           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 304           {
 305             increment: tc.increment,
 306             vname: vname,
 307             mycolor: [undefined,"w","b"][myIdx+1],
 308             // opponent sid not strictly required, but easier
 309             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
 310           }
 311         );
 312         if (!!this.game.oppid)
 313         {
 314           // Send ping to server (answer pong if players[s] are connected)
 315           this.st.conn.send(JSON.stringify({code:"ping", target:this.game.oppid}));
 316         }
 317       };
 318       if (!!game)
 319         return afterRetrival(game);
 320       if (!!this.gameRef.rid)
 321       {
 322         this.st.conn.send(JSON.stringify({code:"askfullgame", target:this.gameRef.rid}));
 323         // TODO: just send a game request message to the remote player,
 324         // and when receiving answer just call loadGame(received_game)
 325         // + remote peer should have registered us as an observer
 326         // (send moves updates + resign/abort/draw actions)
 327       }
 328       else
 329       {
 330         GameStorage.get(this.gameRef.id, async (game) => {
 331           afterRetrieval(game);
 332         });
 333       }
 334     },
 335     // Post-process a move (which was just played)
 336     processMove: function(move) {
 337       if (!this.game.mycolor)
 338         return; //I'm just an observer
 339       // Update storage (corr or live)
 340       const colorIdx = ["w","b"].indexOf(move.color);
 341       // https://stackoverflow.com/a/38750895
 342       const allowed_fields = ["appear", "vanish", "start", "end"];
 343       const filtered_move = Object.keys(move)
 344         .filter(key => allowed_fields.includes(key))
 345         .reduce((obj, key) => {
 346           obj[key] = move[key];
 347           return obj;
 348         }, {});
 349       // Send move ("newmove" event) to opponent(s) (if ours)
 350       let addTime = undefined;
 351       if (move.color == this.game.mycolor)
 352       {
 353         const elapsed = Date.now() - this.game.initime[colorIdx];
 354         // elapsed time is measured in milliseconds
 355         addTime = this.game.increment - elapsed/1000;
 356         this.st.conn.send(JSON.stringify({
 357           code: "newmove",
 358           target: this.game.oppid,
 359           move: Object.assign({}, filtered_move, {addTime: addTime}),
 360         }));
 361       }
 362       else
 363         addTime = move.addTime; //supposed transmitted
 364       const nextIdx = ["w","b"].indexOf(this.vr.turn);
 365       GameStorage.update(this.gameRef.id,
 366       {
 367         colorIdx: colorIdx,
 368         nextIdx: nextIdx,
 369         move: filtered_move,
 370         fen: move.fen,
 371         addTime: addTime,
 372       });
 373       // Also update current game object:
 374       this.game.moves.push(move);
 375       this.game.fen = move.fen;
 376       //TODO: just this.game.clocks[colorIdx] += addTime;
 377       this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
 378       this.game.initime[nextIdx] = Date.now();
 379     },
 380     // TODO: this update function should also work for corr games
 381     gameOver: function(score) {
 382       this.game.mode = "analyze";
 383       GameStorage.update(this.gameRef.id,
 384       {
 385         score: score,
 386       });
 387     },
 388   },
 389 };
 390 </script>
 391
 392 <style lang="sass">
 393 // TODO
 394 </style>