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     '$route' (to, from) {
  74       if (!!to.params["id"])
  75       {
  76         this.gameRef.id = to.params["id"];
  77         this.gameRef.rid = to.query["rid"];
  78         this.loadGame();
  79       }
  80     },
  81     "game.clocks": function(newState) {
  82       if (this.game.moves.length < 2)
  83       {
  84         // 1st move not completed yet: freeze time
  85         this.virtualClocks = newState.map(s => ppt(s));
  86         return;
  87       }
  88       const currentTurn = this.vr.turn;
  89       const colorIdx = ["w","b"].indexOf(currentTurn);
  90       let countdown = newState[colorIdx] -
  91         (Date.now() - this.game.initime[colorIdx])/1000;
  92       this.virtualClocks = [0,1].map(i => {
  93         const removeTime = i == colorIdx
  94           ? (Date.now() - this.game.initime[colorIdx])/1000
  95           : 0;
  96         return ppt(newState[i] - removeTime);
  97       });
  98       const myTurn = (currentTurn == this.game.mycolor);
  99       let clockUpdate = setInterval(() => {
 100         if (countdown <= 0 || this.vr.turn != currentTurn)
 101         {
 102           clearInterval(clockUpdate);
 103           if (countdown <= 0 && myTurn)
 104           {
 105             this.$refs["basegame"].endGame(
 106               this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
 107             this.st.conn.send(JSON.stringify({
 108               code: "timeover",
 109               target: this.game.oppid,
 110             }));
 111           }
 112         }
 113         else
 114         {
 115           // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
 116           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
 117         }
 118       }, 1000);
 119     },
 120     // In case variants array was't loaded when game was retrieved
 121     "st.variants": function(variantArray) {
 122       if (!!this.game.vname && this.game.vname == "")
 123         this.game.vname = variantArray.filter(v => v.id == this.game.vid)[0].name;
 124     },
 125   },
 126   created: function() {
 127     if (!!this.$route.params["id"])
 128     {
 129       this.gameRef.id = this.$route.params["id"];
 130       this.gameRef.rid = this.$route.query["rid"];
 131       this.loadGame();
 132     }
 133     // TODO: onopen, ask lastState informations + update observers and players status
 134     const socketCloseListener = () => {
 135       store.socketCloseListener(); //reinitialize connexion (in store.js)
 136       this.st.conn.addEventListener('message', this.socketMessageListener);
 137       this.st.conn.addEventListener('close', socketCloseListener);
 138     };
 139     this.st.conn.onmessage = this.socketMessageListener;
 140     this.st.conn.onclose = socketCloseListener;
 141   },
 142   methods: {
 143     socketMessageListener: function(msg) {
 144       const data = JSON.parse(msg.data);
 145       switch (data.code)
 146       {
 147         case "newmove":
 148           // NOTE: next call will trigger processMove()
 149           this.$refs["basegame"].play(data.move,
 150             "receive", this.game.vname!="Dark" ? "animate" : null);
 151           break;
 152         case "pong": //received if we sent a ping (game still alive on our side)
 153         {
 154           this.oppConnected = true;
 155           // Send our "last state" informations to opponent(s)
 156           const L = this.game.moves.length;
 157           this.st.conn.send(JSON.stringify({
 158             code: "lastate",
 159             target: this.game.oppid,
 160             gameId: this.gameRef.id,
 161             lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 162             score: this.game.score,
 163             movesCount: L,
 164             drawOffer: this.drawOffer,
 165             clocks: this.game.clocks,
 166           }));
 167           break;
 168         }
 169         case "lastate": //got opponent infos about last move
 170         {
 171           const L = this.game.moves.length;
 172           if (this.gameRef.id != data.gameId)
 173             break; //games IDs don't match: nothing we can do...
 174           // OK, opponent still in game (which might be over)
 175           if (data.movesCount > L)
 176           {
 177             // Just got last move from him
 178             this.$refs["basegame"].play(data.lastMove, "receive");
 179             if (data.score != "*" && this.game.score == "*")
 180             {
 181               // Opponent resigned or aborted game, or accepted draw offer
 182               // (this is not a stalemate or checkmate)
 183               this.$refs["basegame"].endGame(data.score, "Opponent action");
 184             }
 185             this.game.clocks = data.clocks;
 186             this.drawOffer = data.drawOffer;
 187           }
 188           else if (data.movesCount < L)
 189           {
 190             // We must tell last move to opponent
 191             this.st.conn.send(JSON.stringify({
 192               code: "lastate",
 193               target: this.game.oppid,
 194               gameId: this.gameRef.id,
 195               lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 196               score: this.game.score,
 197               movesCount: L,
 198               drawOffer: this.drawOffer,
 199               clocks: this.game.clocks,
 200             }));
 201           }
 202           break;
 203         }
 204         case "resign":
 205           this.$refs["basegame"].endGame(
 206             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 207           break;
 208         case "timeover":
 209           this.$refs["basegame"].endGame(
 210             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 211           break;
 212         case "abort":
 213           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 214           break;
 215         case "draw":
 216           this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 217           break;
 218         case "drawoffer":
 219           this.drawOffer = "received";
 220           break;
 221         case "askfullgame":
 222           // TODO: just give game; observers are listed here anyway:
 223           // gameconnect?
 224           break;
 225         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 226           // ==> on "newmove", check "drawOffer" field
 227         // TODO: also use (dis)connect info to count online players?
 228         case "gameconnect":
 229         case "gamedisconnect":
 230           const online = (data.code == "gameconnect");
 231           // If this is an opponent ?
 232           if (this.game.oppid == data.id)
 233             this.oppConnected = true;
 234           else
 235           {
 236             // Or an observer ?
 237             if (!online)
 238               delete this.people[data.id];
 239             else
 240               this.people[data.id] = data.name;
 241           }
 242           break;
 243       }
 244     },
 245     offerDraw: function() {
 246       // TODO: also for corr games
 247       if (this.drawOffer == "received")
 248       {
 249         if (!confirm("Accept draw?"))
 250           return;
 251         this.st.conn.send(JSON.stringify({code:"draw", target:this.game.oppid}));
 252         this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 253       }
 254       else if (this.drawOffer == "sent")
 255         this.drawOffer = "";
 256       else
 257       {
 258         if (!confirm("Offer draw?"))
 259           return;
 260         this.st.conn.send(JSON.stringify({code:"drawoffer", target:this.game.oppid}));
 261       }
 262     },
 263     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 264     receiveDrawOffer: function() {
 265       //if (...)
 266       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 267       // if accept: send message "draw"
 268     },
 269     abortGame: function(event) {
 270       let modalBox = document.getElementById("modalAbort");
 271       if (!event)
 272       {
 273         // First call show options:
 274         modalBox.checked = true;
 275       }
 276       else
 277       {
 278         modalBox.checked = false; //decision made: box disappear
 279         const message = event.target.innerText;
 280         // Next line will trigger a "gameover" event, bubbling up till here
 281         this.$refs["basegame"].endGame("?", "Abort: " + message);
 282         this.st.conn.send(JSON.stringify({
 283           code: "abort",
 284           msg: message,
 285           target: this.game.oppid,
 286         }));
 287       }
 288     },
 289     resign: function(e) {
 290       if (!confirm("Resign the game?"))
 291         return;
 292       this.st.conn.send(JSON.stringify({
 293         code: "resign",
 294         target: this.game.oppid,
 295       }));
 296       // Next line will trigger a "gameover" event, bubbling up till here
 297       this.$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         // NOTE: variants array might not be available yet, thus the two next lines
 307         const variantCell = this.st.variants.filter(v => v.id == game.vid);
 308         const vname = (variantCell.length > 0 ? variantCell[0].name : "");
 309         if (!game.fen)
 310           game.fen = game.fenStart; //game wasn't started
 311         const gtype = (game.timeControl.indexOf('d') >= 0 ? "corr" : "live");
 312         if (gtype == "corr")
 313         {
 314           // corr game: needs to compute the clocks + initime
 315           //if (game.players[i].rtime < 0) initime = Date.now(), else compute,
 316           //also using move.played fields
 317           game.clocks = [-1, -1];
 318           game.initime = [0, 0];
 319           // TODO: compute clocks + initime
 320         }
 321         const tc = extractTime(game.timeControl);
 322         const myIdx = game.players.findIndex(p => p.sid == this.st.user.sid);
 323         if (game.clocks[0] < 0) //game unstarted
 324         {
 325           game.clocks = [tc.mainTime, tc.mainTime];
 326           game.initime[0] = Date.now();
 327           if (myIdx >= 0) //I play in this game
 328           {
 329             GameStorage.update(game.gameId,
 330             {
 331               clocks: game.clocks,
 332               initime: game.initime,
 333             });
 334           }
 335         }
 336         const vModule = await import("@/variants/" + vname + ".js");
 337         window.V = vModule.VariantRules;
 338         this.vr = new V(game.fen);
 339         this.game = Object.assign({},
 340           game,
 341           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 342           {
 343             type: gtype,
 344             increment: tc.increment,
 345             vname: vname,
 346             mycolor: [undefined,"w","b"][myIdx+1],
 347             // opponent sid not strictly required, but easier
 348             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
 349           }
 350         );
 351         if (!!this.game.oppid)
 352         {
 353           // Send ping to server (answer pong if players[s] are connected)
 354           this.st.conn.send(JSON.stringify({code:"ping", target:this.game.oppid}));
 355         }
 356       };
 357       if (!!game)
 358         return afterRetrival(game);
 359       if (!!this.gameRef.rid)
 360       {
 361         this.st.conn.send(JSON.stringify({code:"askfullgame", target:this.gameRef.rid}));
 362         // TODO: just send a game request message to the remote player,
 363         // and when receiving answer just call loadGame(received_game)
 364         // + remote peer should have registered us as an observer
 365         // (send moves updates + resign/abort/draw actions)
 366       }
 367       else
 368       {
 369         GameStorage.get(this.gameRef.id, async (game) => {
 370           afterRetrieval(game);
 371         });
 372       }
 373     },
 374     // Post-process a move (which was just played)
 375     processMove: function(move) {
 376       if (!this.game.mycolor)
 377         return; //I'm just an observer
 378       // Update storage (corr or live)
 379       const colorIdx = ["w","b"].indexOf(move.color);
 380       // https://stackoverflow.com/a/38750895
 381       const allowed_fields = ["appear", "vanish", "start", "end"];
 382       const filtered_move = Object.keys(move)
 383         .filter(key => allowed_fields.includes(key))
 384         .reduce((obj, key) => {
 385           obj[key] = move[key];
 386           return obj;
 387         }, {});
 388       // Send move ("newmove" event) to opponent(s) (if ours)
 389       let addTime = 0;
 390       if (move.color == this.game.mycolor)
 391       {
 392         if (this.game.moves.length >= 2) //after first move
 393         {
 394           const elapsed = Date.now() - this.game.initime[colorIdx];
 395           // elapsed time is measured in milliseconds
 396           addTime = this.game.increment - elapsed/1000;
 397         }
 398         this.st.conn.send(JSON.stringify({
 399           code: "newmove",
 400           target: this.game.oppid,
 401           move: Object.assign({}, filtered_move, {addTime: addTime}),
 402         }));
 403       }
 404       else
 405         addTime = move.addTime; //supposed transmitted
 406       const nextIdx = ["w","b"].indexOf(this.vr.turn);
 407       GameStorage.update(this.gameRef.id,
 408       {
 409         move: filtered_move,
 410         fen: move.fen,
 411         clocks: this.game.clocks.map((t,i) => i==colorIdx
 412           ? this.game.clocks[i] + addTime
 413           : this.game.clocks[i]),
 414         initime: this.game.initime.map((t,i) => i==nextIdx
 415           ? Date.now()
 416           : this.game.initime[i]),
 417       });
 418       // Also update current game object:
 419       this.game.moves.push(move);
 420       this.game.fen = move.fen;
 421       //TODO: just this.game.clocks[colorIdx] += addTime;
 422       this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
 423       this.game.initime[nextIdx] = Date.now();
 424     },
 425     // TODO: this update function should also work for corr games
 426     gameOver: function(score) {
 427       this.game.mode = "analyze";
 428       GameStorage.update(this.gameRef.id, { score: score });
 429     },
 430   },
 431 };
 432 </script>
 433
 434 <style lang="sass">
 435 // TODO
 436 </style>