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