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: show players names + clocks state
  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 // se limiter à 2 joueurs pour l'instant au moins tout en restant général
  28 // ==> après, implémenter/vérifier les passages de challenges + parties en cours
  29 // observer,
  30 // + problèmes, habiller et publier. (+ corr...)
  31
  32 // refactor players.forEach(...) into sendTo(opponent, ...)
  33 -->
  34
  35 <script>
  36 import BaseGame from "@/components/BaseGame.vue";
  37 //import Chat from "@/components/Chat.vue";
  38 //import MoveList from "@/components/MoveList.vue";
  39 import { store } from "@/store";
  40 import { GameStorage } from "@/utils/gameStorage";
  41 import { ppt } from "@/utils/datetime";
  42
  43 export default {
  44   name: 'my-game',
  45   components: {
  46     BaseGame,
  47   },
  48   // gameRef: to find the game in (potentially remote) storage
  49   data: function() {
  50     return {
  51       st: store.state,
  52       gameRef: { //given in URL (rid = remote ID)
  53         id: "",
  54         rid: ""
  55       },
  56       game: { }, //passed to BaseGame
  57       virtualClocks: [0, 0], //initialized with true game.clocks
  58       vr: null, //"variant rules" object initialized from FEN
  59       drawOfferSent: false, //did I just ask for draw? (TODO: use for button style)
  60       people: [ ], //potential observers (TODO)
  61     };
  62   },
  63   watch: {
  64     '$route' (to, from) {
  65       if (!!to.params["id"])
  66       {
  67         this.gameRef.id = to.params["id"];
  68         this.gameRef.rid = to.query["rid"];
  69         this.loadGame();
  70       }
  71     },
  72     "game.clocks": function(newState) {
  73       this.virtualClocks = newState.map(s => ppt(s));
  74       const currentTurn = this.vr.turn;
  75       const colorIdx = ["w","b","g","r"].indexOf(currentTurn);
  76       let countdown = newState[colorIdx] -
  77         (Date.now() - this.game.initime[colorIdx])/1000;
  78       const myTurn = (currentTurn == this.game.mycolor);
  79       let clockUpdate = setInterval(() => {
  80         if (countdown <= 0 || this.vr.turn != currentTurn)
  81         {
  82           clearInterval(clockUpdate);
  83           if (countdown <= 0 && myTurn)
  84           {
  85             this.$refs["basegame"].endGame(
  86               this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
  87             this.game.players.forEach(p => {
  88               if (p.sid != this.st.user.sid)
  89               {
  90                 this.st.conn.send(JSON.stringify({
  91                   code: "timeover",
  92                   target: p.sid,
  93                 }));
  94               }
  95             });
  96           }
  97         }
  98         else
  99         {
 100           // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
 101           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
 102         }
 103       }, 1000);
 104     },
 105   },
 106   created: function() {
 107     if (!!this.$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: how to know who is observing ? Send message to everyone with game ID ?
 114     // and then just listen to (dis)connect events
 115     // server always send "connect on " + URL ; then add to observers if game...
 116     // detect multiple tabs connected (when connect ask server if my SID is already in use)
 117 // router when access a game page tell to server I joined + game ID (no need rid)
 118 // and ask server for current joined (= observers)
 119 // when send to chat (or a move), reach only this group (send gid along)
 120     // --> doivent être enregistrés comme observers au niveau du serveur...
 121     // non: poll users + events startObserving / stopObserving
 122     // (à faire au niveau du routeur ?)
 123
 124     // TODO: also handle "draw accepted" (use opponents array?)
 125     // --> must give this info also when sending lastState...
 126     // and, if all players agree then OK draw (end game ...etc)
 127     const socketMessageListener = msg => {
 128       const data = JSON.parse(msg.data);
 129       let L = undefined;
 130       switch (data.code)
 131       {
 132         case "newmove":
 133           // NOTE: next call will trigger processMove()
 134           this.$refs["basegame"].play(data.move,
 135             "receive", this.game.vname!="Dark" ? "animate" : null);
 136           break;
 137         case "pong": //received if we sent a ping (game still alive on our side)
 138           if (this.gameRef.id != data.gameId)
 139             break; //games IDs don't match: the game is definitely over...
 140           this.oppConnected = true;
 141           // Send our "last state" informations to opponent(s)
 142           L = this.vr.moves.length;
 143           Object.keys(this.opponents).forEach(oid => {
 144             this.st.conn.send(JSON.stringify({
 145               code: "lastate",
 146               oppid: oid,
 147               gameId: this.gameRef.id,
 148               lastMove: (L>0?this.vr.moves[L-1]:undefined),
 149               movesCount: L,
 150             }));
 151           });
 152           break;
 153         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves
 154         // TODO: need to send along clock state (my current time) with my last move
 155         case "lastate": //got opponent infos about last move
 156           L = this.vr.moves.length;
 157           if (this.gameRef.id != data.gameId)
 158             break; //games IDs don't match: nothing we can do...
 159           // OK, opponent still in game (which might be over)
 160           if (this.score != "*")
 161           {
 162             // We finished the game (any result possible)
 163             this.st.conn.send(JSON.stringify({
 164               code: "lastate",
 165               oppid: data.oppid,
 166               gameId: this.gameRef.id,
 167               score: this.score,
 168             }));
 169           }
 170           else if (!!data.score) //opponent finished the game
 171             this.endGame(data.score);
 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               oppid: this.opponent.id,
 178               gameId: this.gameRef.id,
 179               lastMove: this.vr.moves[L-1],
 180               movesCount: L,
 181             }));
 182           }
 183           else if (data.movesCount > L) //just got last move from him
 184             this.play(data.lastMove, "animate"); //TODO: wrong call (3 args)
 185           break;
 186         case "resign":
 187           this.$refs["basegame"].endGame(
 188             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 189           break;
 190         case "timeover":
 191           this.$refs["basegame"].endGame(
 192             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 193           break;
 194         case "abort":
 195           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 196           break;
 197         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 198           // ==> on "newmove", check "drawOffer" field
 199         // TODO: also use (dis)connect info to count online players?
 200         case "gameconnect":
 201         case "gamedisconnect":
 202           if (this.mode=="human")
 203           {
 204             const online = (data.code == "connect");
 205             // If this is an opponent ?
 206             if (!!this.opponents[data.id])
 207               this.opponents[data.id].online = online;
 208             else
 209             {
 210               // Or an observer ?
 211               if (!online)
 212                 delete this.people[data.id];
 213               else
 214                 this.people[data.id] = data.name;
 215             }
 216           }
 217           break;
 218       }
 219     };
 220     const socketCloseListener = () => {
 221       this.st.conn.addEventListener('message', socketMessageListener);
 222       this.st.conn.addEventListener('close', socketCloseListener);
 223     };
 224     this.st.conn.onmessage = socketMessageListener;
 225     this.st.conn.onclose = socketCloseListener;
 226   },
 227   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 228   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 229   methods: {
 230     offerDraw: function() {
 231       if (!confirm("Offer draw?"))
 232         return;
 233       // Stay in "draw offer sent" state until next move is played
 234       this.drawOfferSent = true;
 235       if (this.subMode == "corr")
 236       {
 237         // TODO: set drawOffer on in game (how ?)
 238       }
 239       else //live game
 240       {
 241         this.opponents.forEach(o => {
 242           if (!!o.online)
 243           {
 244             try {
 245               this.st.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 246             } catch (INVALID_STATE_ERR) {
 247               return;
 248             }
 249           }
 250         });
 251       }
 252     },
 253     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 254     receiveDrawOffer: function() {
 255       //if (...)
 256       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 257       // if accept: send message "draw"
 258     },
 259     abortGame: function(event) {
 260       let modalBox = document.getElementById("modalAbort");
 261       if (!event)
 262       {
 263         // First call show options:
 264         modalBox.checked = true;
 265       }
 266       else
 267       {
 268         modalBox.checked = false; //decision made: box disappear
 269         const message = event.target.innerText;
 270         // Next line will trigger a "gameover" event, bubbling up till here
 271         this.$refs["basegame"].endGame("?", "Abort: " + message);
 272         this.game.players.forEach(p => {
 273           if (!!p.sid && p.sid != this.st.user.sid)
 274           {
 275             this.st.conn.send(JSON.stringify({
 276               code: "abort",
 277               msg: message,
 278               target: p.sid,
 279             }));
 280           }
 281         });
 282       }
 283     },
 284     resign: function(e) {
 285       if (!confirm("Resign the game?"))
 286         return;
 287       this.game.players.forEach(p => {
 288         if (!!p.sid && p.sid != this.st.user.sid)
 289         {
 290           this.st.conn.send(JSON.stringify({
 291             code: "resign",
 292             target: p.sid,
 293           }));
 294         }
 295       });
 296       // Next line will trigger a "gameover" event, bubbling up till here
 297       this.$refs["basegame"].endGame(
 298         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 299     },
 300     // 3 cases for loading a game:
 301     //  - from indexedDB (running or completed live game I play)
 302     //  - from server (one correspondance game I play[ed] or not)
 303     //  - from remote peer (one live game I don't play, finished or not)
 304     loadGame: function(game) {
 305       const afterRetrieval = async (game) => {
 306         const vModule = await import("@/variants/" + game.vname + ".js");
 307         window.V = vModule.VariantRules;
 308         this.vr = new V(game.fen);
 309         this.game = Object.assign({},
 310           game,
 311           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 312           {mycolor: [undefined,"w","b"][1 + game.players.findIndex(
 313             p => p.sid == this.st.user.sid)]},
 314         );
 315       };
 316       if (!!game)
 317         return afterRetrival(game);
 318       if (!!this.gameRef.rid)
 319       {
 320         // TODO: just send a game request message to the remote player,
 321         // and when receiving answer just call loadGame(received_game)
 322         // + remote peer should have registered us as an observer
 323         // (send moves updates + resign/abort/draw actions)
 324         return;
 325       }
 326       else
 327       {
 328         GameStorage.get(this.gameRef.id, async (game) => {
 329           afterRetrieval(game);
 330         });
 331       }
 332 //    // Poll all players except me (if I'm playing) to know online status.
 333 //    // --> Send ping to server (answer pong if players[s] are connected)
 334 //    if (this.gameInfo.players.some(p => p.sid == this.st.user.sid))
 335 //    {
 336 //      this.game.players.forEach(p => {
 337 //        if (p.sid != this.st.user.sid)
 338 //          this.st.conn.send(JSON.stringify({code:"ping", oppid:p.sid}));
 339 //      });
 340 //    }
 341     },
 342     // TODO: refactor this old "oppConnected" logic
 343 //    oppConnected: function(uid) {
 344 //      return this.opponents.some(o => o.id == uid && o.online);
 345 //    },
 346     // Post-process a move (which was just played)
 347     processMove: function(move) {
 348       if (!this.game.mycolor)
 349         return; //I'm just an observer
 350       // Update storage (corr or live)
 351       const colorIdx = ["w","b","g","r"].indexOf(move.color);
 352       // https://stackoverflow.com/a/38750895
 353       const allowed_fields = ["appear", "vanish", "start", "end"];
 354       const filtered_move = Object.keys(move)
 355         .filter(key => allowed_fields.includes(key))
 356         .reduce((obj, key) => {
 357           obj[key] = move[key];
 358           return obj;
 359         }, {});
 360       // Send move ("newmove" event) to opponent(s) (if ours)
 361       let addTime = undefined;
 362       if (move.color == this.game.mycolor)
 363       {
 364         const elapsed = Date.now() - this.game.initime[colorIdx];
 365         // elapsed time is measured in milliseconds
 366         addTime = this.game.increment - elapsed/1000;
 367         this.game.players.forEach(p => {
 368           if (p.sid != this.st.user.sid)
 369           {
 370             this.st.conn.send(JSON.stringify({
 371               code: "newmove",
 372               target: p.sid,
 373               move: Object.assign({}, filtered_move, {addTime: addTime}),
 374             }));
 375           }
 376         });
 377       }
 378       else
 379         addTime = move.addTime; //supposed transmitted
 380       const nextIdx = ["w","b","g","r"].indexOf(this.vr.turn);
 381       GameStorage.update(this.gameRef.id,
 382       {
 383         colorIdx: colorIdx,
 384         nextIdx: nextIdx,
 385         move: filtered_move,
 386         fen: move.fen,
 387         addTime: addTime,
 388       });
 389       // Also update current game object:
 390       this.game.moves.push(move);
 391       this.game.fen = move.fen;
 392       //TODO: just this.game.clocks[colorIdx] += (!!addTime ? addTime : 0);
 393       this.$set(this.game.clocks, colorIdx,
 394         this.game.clocks[colorIdx] + (!!addTime ? addTime : 0));
 395       this.game.initime[nextIdx] = Date.now();
 396     },
 397     // TODO: this update function should also work for corr games
 398     gameOver: function(score) {
 399       this.game.mode = "analyze";
 400       GameStorage.update(this.gameRef.id,
 401       {
 402         score: score,
 403       });
 404     },
 405   },
 406 };
 407 </script>