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     '$route' (to, from) {
  74       if (!!to.params["id"])
  75       {
  76         this.gameRef.id = to.params["id"];
  77         this.gameRef.rid = to.query["rid"];
  78         this.loadGame();
  79       }
  80     },
  81     "game.clocks": function(newState) {
  82       const currentTurn = this.vr.turn;
  83       const colorIdx = ["w","b"].indexOf(currentTurn);
  84       let countdown = newState[colorIdx] -
  85         (Date.now() - this.game.initime[colorIdx])/1000;
  86       this.virtualClocks = [0,1].map(i => {
  87         const removeTime = i == colorIdx
  88           ? (Date.now() - this.game.initime[colorIdx])/1000
  89           : 0;
  90         return ppt(newState[i] - removeTime);
  91       });
  92       const myTurn = (currentTurn == this.game.mycolor);
  93       let clockUpdate = setInterval(() => {
  94         if (countdown <= 0 || this.vr.turn != currentTurn)
  95         {
  96           clearInterval(clockUpdate);
  97           if (countdown <= 0 && myTurn)
  98           {
  99             this.$refs["basegame"].endGame(
 100               this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
 101             this.st.conn.send(JSON.stringify({
 102               code: "timeover",
 103               target: this.game.oppid,
 104             }));
 105           }
 106         }
 107         else
 108         {
 109           // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
 110           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
 111         }
 112       }, 1000);
 113     },
 114     // In case variants array was't loaded when game was retrieved
 115     "st.variants": function(variantArray) {
 116       if (!!this.game.vname && this.game.vname == "")
 117         this.game.vname = variantArray.filter(v => v.id == this.game.vid)[0].name;
 118     },
 119   },
 120   created: function() {
 121     if (!!this.$route.params["id"])
 122     {
 123       this.gameRef.id = this.$route.params["id"];
 124       this.gameRef.rid = this.$route.query["rid"];
 125       this.loadGame();
 126     }
 127     // TODO: onopen, ask lastState informations + update observers and players status
 128     const socketCloseListener = () => {
 129       store.socketCloseListener(); //reinitialize connexion (in store.js)
 130       this.st.conn.addEventListener('message', this.socketMessageListener);
 131       this.st.conn.addEventListener('close', socketCloseListener);
 132     };
 133     this.st.conn.onmessage = this.socketMessageListener;
 134     this.st.conn.onclose = socketCloseListener;
 135   },
 136   methods: {
 137     socketMessageListener: function(msg) {
 138       const data = JSON.parse(msg.data);
 139       switch (data.code)
 140       {
 141         case "newmove":
 142           // NOTE: next call will trigger processMove()
 143           this.$refs["basegame"].play(data.move,
 144             "receive", this.game.vname!="Dark" ? "animate" : null);
 145           break;
 146         case "pong": //received if we sent a ping (game still alive on our side)
 147         {
 148           this.oppConnected = true;
 149           // Send our "last state" informations to opponent(s)
 150           const L = this.game.moves.length;
 151           this.st.conn.send(JSON.stringify({
 152             code: "lastate",
 153             target: this.game.oppid,
 154             gameId: this.gameRef.id,
 155             lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 156             score: this.game.score,
 157             movesCount: L,
 158             drawOffer: this.drawOffer,
 159             clocks: this.game.clocks,
 160           }));
 161           break;
 162         }
 163         case "lastate": //got opponent infos about last move
 164         {
 165           const L = this.game.moves.length;
 166           if (this.gameRef.id != data.gameId)
 167             break; //games IDs don't match: nothing we can do...
 168           // OK, opponent still in game (which might be over)
 169           if (data.movesCount > L)
 170           {
 171             // Just got last move from him
 172             this.$refs["basegame"].play(data.lastMove, "receive");
 173             if (data.score != "*" && this.game.score == "*")
 174             {
 175               // Opponent resigned or aborted game, or accepted draw offer
 176               // (this is not a stalemate or checkmate)
 177               this.$refs["basegame"].endGame(data.score, "Opponent action");
 178             }
 179             this.game.clocks = data.clocks;
 180             this.drawOffer = data.drawOffer;
 181           }
 182           else if (data.movesCount < L)
 183           {
 184             // We must tell last move to opponent
 185             this.st.conn.send(JSON.stringify({
 186               code: "lastate",
 187               target: this.game.oppid,
 188               gameId: this.gameRef.id,
 189               lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 190               score: this.game.score,
 191               movesCount: L,
 192               drawOffer: this.drawOffer,
 193               clocks: this.game.clocks,
 194             }));
 195           }
 196           break;
 197         }
 198         case "resign":
 199           this.$refs["basegame"].endGame(
 200             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 201           break;
 202         case "timeover":
 203           this.$refs["basegame"].endGame(
 204             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 205           break;
 206         case "abort":
 207           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 208           break;
 209         case "draw":
 210           this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 211           break;
 212         case "drawoffer":
 213           this.drawOffer = "received";
 214           break;
 215         case "askfullgame":
 216           // TODO: just give game; observers are listed here anyway:
 217           // gameconnect?
 218           break;
 219         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 220           // ==> on "newmove", check "drawOffer" field
 221         // TODO: also use (dis)connect info to count online players?
 222         case "gameconnect":
 223         case "gamedisconnect":
 224           const online = (data.code == "gameconnect");
 225           // If this is an opponent ?
 226           if (this.game.oppid == data.id)
 227             this.oppConnected = true;
 228           else
 229           {
 230             // Or an observer ?
 231             if (!online)
 232               delete this.people[data.id];
 233             else
 234               this.people[data.id] = data.name;
 235           }
 236           break;
 237       }
 238     },
 239     offerDraw: function() {
 240       // TODO: also for corr games
 241       if (this.drawOffer == "received")
 242       {
 243         if (!confirm("Accept draw?"))
 244           return;
 245         this.st.conn.send(JSON.stringify({code:"draw", target:this.game.oppid}));
 246         this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 247       }
 248       else if (this.drawOffer == "sent")
 249         this.drawOffer = "";
 250       else
 251       {
 252         if (!confirm("Offer draw?"))
 253           return;
 254         this.st.conn.send(JSON.stringify({code:"drawoffer", target:this.game.oppid}));
 255       }
 256     },
 257     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 258     receiveDrawOffer: function() {
 259       //if (...)
 260       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 261       // if accept: send message "draw"
 262     },
 263     abortGame: function(event) {
 264       let modalBox = document.getElementById("modalAbort");
 265       if (!event)
 266       {
 267         // First call show options:
 268         modalBox.checked = true;
 269       }
 270       else
 271       {
 272         modalBox.checked = false; //decision made: box disappear
 273         const message = event.target.innerText;
 274         // Next line will trigger a "gameover" event, bubbling up till here
 275         this.$refs["basegame"].endGame("?", "Abort: " + message);
 276         this.st.conn.send(JSON.stringify({
 277           code: "abort",
 278           msg: message,
 279           target: this.game.oppid,
 280         }));
 281       }
 282     },
 283     resign: function(e) {
 284       if (!confirm("Resign the game?"))
 285         return;
 286       this.st.conn.send(JSON.stringify({
 287         code: "resign",
 288         target: this.game.oppid,
 289       }));
 290       // Next line will trigger a "gameover" event, bubbling up till here
 291       this.$refs["basegame"].endGame(
 292         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 293     },
 294     // 3 cases for loading a game:
 295     //  - from indexedDB (running or completed live game I play)
 296     //  - from server (one correspondance game I play[ed] or not)
 297     //  - from remote peer (one live game I don't play, finished or not)
 298     loadGame: function(game) {
 299       const afterRetrieval = async (game) => {
 300         // NOTE: variants array might not be available yet, thus the two next lines
 301         const variantCell = this.st.variants.filter(v => v.id == game.vid);
 302         const vname = (variantCell.length > 0 ? variantCell[0].name : "");
 303         if (!game.fen)
 304           game.fen = game.fenStart; //game wasn't started
 305         const gtype = (game.timeControl.indexOf('d') >= 0 ? "corr" : "live");
 306         if (gtype == "corr")
 307         {
 308           // corr game: needs to compute the clocks + initime
 309           //if (game.players[i].rtime < 0) initime = Date.now(), else compute,
 310           //also using move.played fields
 311           game.clocks = [-1, -1];
 312           game.initime = [0, 0];
 313         }
 314         const tc = extractTime(game.timeControl);
 315         if (game.clocks[0] < 0) //game unstarted
 316         {
 317           game.clocks = [tc.mainTime, tc.mainTime];
 318           game.initime[0] = Date.now();
 319         }
 320         const vModule = await import("@/variants/" + vname + ".js");
 321         window.V = vModule.VariantRules;
 322         this.vr = new V(game.fen);
 323         const myIdx = game.players.findIndex(p => p.sid == this.st.user.sid);
 324         this.game = Object.assign({},
 325           game,
 326           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 327           {
 328             type: gtype,
 329             increment: tc.increment,
 330             vname: vname,
 331             mycolor: [undefined,"w","b"][myIdx+1],
 332             // opponent sid not strictly required, but easier
 333             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
 334           }
 335         );
 336         if (!!this.game.oppid)
 337         {
 338           // Send ping to server (answer pong if players[s] are connected)
 339           this.st.conn.send(JSON.stringify({code:"ping", target:this.game.oppid}));
 340         }
 341       };
 342       if (!!game)
 343         return afterRetrival(game);
 344       if (!!this.gameRef.rid)
 345       {
 346         this.st.conn.send(JSON.stringify({code:"askfullgame", target:this.gameRef.rid}));
 347         // TODO: just send a game request message to the remote player,
 348         // and when receiving answer just call loadGame(received_game)
 349         // + remote peer should have registered us as an observer
 350         // (send moves updates + resign/abort/draw actions)
 351       }
 352       else
 353       {
 354         GameStorage.get(this.gameRef.id, async (game) => {
 355           afterRetrieval(game);
 356         });
 357       }
 358     },
 359     // Post-process a move (which was just played)
 360     processMove: function(move) {
 361       if (!this.game.mycolor)
 362         return; //I'm just an observer
 363       // Update storage (corr or live)
 364       const colorIdx = ["w","b"].indexOf(move.color);
 365       // https://stackoverflow.com/a/38750895
 366       const allowed_fields = ["appear", "vanish", "start", "end"];
 367       const filtered_move = Object.keys(move)
 368         .filter(key => allowed_fields.includes(key))
 369         .reduce((obj, key) => {
 370           obj[key] = move[key];
 371           return obj;
 372         }, {});
 373       // Send move ("newmove" event) to opponent(s) (if ours)
 374       let addTime = undefined;
 375       if (move.color == this.game.mycolor)
 376       {
 377         const elapsed = Date.now() - this.game.initime[colorIdx];
 378         // elapsed time is measured in milliseconds
 379         addTime = this.game.increment - elapsed/1000;
 380         this.st.conn.send(JSON.stringify({
 381           code: "newmove",
 382           target: this.game.oppid,
 383           move: Object.assign({}, filtered_move, {addTime: addTime}),
 384         }));
 385       }
 386       else
 387         addTime = move.addTime; //supposed transmitted
 388       const nextIdx = ["w","b"].indexOf(this.vr.turn);
 389       GameStorage.update(this.gameRef.id,
 390       {
 391         colorIdx: colorIdx,
 392         nextIdx: nextIdx,
 393         move: filtered_move,
 394         fen: move.fen,
 395         addTime: addTime,
 396       });
 397       // Also update current game object:
 398       this.game.moves.push(move);
 399       this.game.fen = move.fen;
 400       //TODO: just this.game.clocks[colorIdx] += addTime;
 401       this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
 402       this.game.initime[nextIdx] = Date.now();
 403     },
 404     // TODO: this update function should also work for corr games
 405     gameOver: function(score) {
 406       this.game.mode = "analyze";
 407       GameStorage.update(this.gameRef.id,
 408       {
 409         score: score,
 410       });
 411     },
 412   },
 413 };
 414 </script>
 415
 416 <style lang="sass">
 417 // TODO
 418 </style>