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
  49 export default {
  50   name: 'my-game',
  51   components: {
  52     BaseGame,
  53   },
  54   // gameRef: to find the game in (potentially remote) storage
  55   data: function() {
  56     return {
  57       st: store.state,
  58       gameRef: { //given in URL (rid = remote ID)
  59         id: "",
  60         rid: ""
  61       },
  62       game: { }, //passed to BaseGame
  63       oppConnected: false,
  64       corrMsg: "", //to send offline messages in corr games
  65       virtualClocks: [0, 0], //initialized with true game.clocks
  66       vr: null, //"variant rules" object initialized from FEN
  67       drawOffer: "", //TODO: use for button style
  68       people: [ ], //potential observers (TODO)
  69     };
  70   },
  71   watch: {
  72     '$route' (to, from) {
  73       if (!!to.params["id"])
  74       {
  75         this.gameRef.id = to.params["id"];
  76         this.gameRef.rid = to.query["rid"];
  77         this.loadGame();
  78       }
  79     },
  80     "game.clocks": function(newState) {
  81       this.virtualClocks = newState.map(s => ppt(s));
  82       const currentTurn = this.vr.turn;
  83       const colorIdx = ["w","b"].indexOf(currentTurn);
  84       let countdown = newState[colorIdx] -
  85         (Date.now() - this.game.initime[colorIdx])/1000;
  86       const myTurn = (currentTurn == this.game.mycolor);
  87       let clockUpdate = setInterval(() => {
  88         if (countdown <= 0 || this.vr.turn != currentTurn)
  89         {
  90           clearInterval(clockUpdate);
  91           if (countdown <= 0 && myTurn)
  92           {
  93             this.$refs["basegame"].endGame(
  94               this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
  95             this.st.conn.send(JSON.stringify({
  96               code: "timeover",
  97               target: this.game.oppid,
  98             }));
  99           }
 100         }
 101         else
 102         {
 103           // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
 104           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
 105         }
 106       }, 1000);
 107     },
 108   },
 109   created: function() {
 110     if (!!this.$route.params["id"])
 111     {
 112       this.gameRef.id = this.$route.params["id"];
 113       this.gameRef.rid = this.$route.query["rid"];
 114       this.loadGame();
 115     }
 116     // TODO: onopen, ask lastState informations + update observers and players status
 117     const socketCloseListener = () => {
 118       store.socketCloseListener(); //reinitialize connexion (in store.js)
 119       this.st.conn.addEventListener('message', socketMessageListener);
 120       this.st.conn.addEventListener('close', socketCloseListener);
 121     };
 122     this.st.conn.onmessage = this.socketMessageListener;
 123     this.st.conn.onclose = socketCloseListener;
 124   },
 125   methods: {
 126     socketMessageListener: function(msg) {
 127       const data = JSON.parse(msg.data);
 128       switch (data.code)
 129       {
 130         case "newmove":
 131           // NOTE: next call will trigger processMove()
 132           this.$refs["basegame"].play(data.move,
 133             "receive", this.game.vname!="Dark" ? "animate" : null);
 134           break;
 135         case "pong": //received if we sent a ping (game still alive on our side)
 136         {
 137           this.oppConnected = true;
 138           // Send our "last state" informations to opponent(s)
 139           const L = this.game.moves.length;
 140           this.st.conn.send(JSON.stringify({
 141             code: "lastate",
 142             target: this.game.oppid,
 143             gameId: this.gameRef.id,
 144             lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 145             score: this.game.score,
 146             movesCount: L,
 147             drawOffer: this.drawOffer,
 148             clocks: this.game.clocks,
 149           }));
 150           break;
 151         }
 152         case "lastate": //got opponent infos about last move
 153         {
 154           const L = this.game.moves.length;
 155           if (this.gameRef.id != data.gameId)
 156             break; //games IDs don't match: nothing we can do...
 157           // OK, opponent still in game (which might be over)
 158           if (data.movesCount > L)
 159           {
 160             // Just got last move from him
 161             this.$refs["basegame"].play(data.lastMove, "receive");
 162             if (data.score != "*" && this.game.score == "*")
 163             {
 164               // Opponent resigned or aborted game, or accepted draw offer
 165               // (this is not a stalemate or checkmate)
 166               this.$refs["basegame"].endGame(data.score, "Opponent action");
 167             }
 168             this.game.clocks = data.clocks;
 169             this.drawOffer = data.drawOffer;
 170           }
 171           else if (data.movesCount < L)
 172           {
 173             // We must tell last move to opponent
 174             this.st.conn.send(JSON.stringify({
 175               code: "lastate",
 176               target: this.game.oppid,
 177               gameId: this.gameRef.id,
 178               lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 179               score: this.game.score,
 180               movesCount: L,
 181               drawOffer: this.drawOffer,
 182               clocks: this.game.clocks,
 183             }));
 184           }
 185           break;
 186         }
 187         case "resign":
 188           this.$refs["basegame"].endGame(
 189             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 190           break;
 191         case "timeover":
 192           this.$refs["basegame"].endGame(
 193             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 194           break;
 195         case "abort":
 196           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 197           break;
 198         case "draw":
 199           this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 200           break;
 201         case "drawoffer":
 202           this.drawOffer = "received";
 203           break;
 204         case "askfullgame":
 205           // TODO: just give game; observers are listed here anyway:
 206           // gameconnect?
 207           break;
 208         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 209           // ==> on "newmove", check "drawOffer" field
 210         // TODO: also use (dis)connect info to count online players?
 211         case "gameconnect":
 212         case "gamedisconnect":
 213           const online = (data.code == "gameconnect");
 214           // If this is an opponent ?
 215           if (this.game.oppid == data.id)
 216             this.oppConnected = true;
 217           else
 218           {
 219             // Or an observer ?
 220             if (!online)
 221               delete this.people[data.id];
 222             else
 223               this.people[data.id] = data.name;
 224           }
 225           break;
 226       }
 227     },
 228     offerDraw: function() {
 229       // TODO: also for corr games
 230       if (this.drawOffer == "received")
 231       {
 232         if (!confirm("Accept draw?"))
 233           return;
 234         this.st.conn.send(JSON.stringify({code:"draw", target:this.game.oppid}));
 235         this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 236       }
 237       else if (this.drawOffer == "sent")
 238         this.drawOffer = "";
 239       else
 240       {
 241         if (!confirm("Offer draw?"))
 242           return;
 243         this.st.conn.send(JSON.stringify({code:"drawoffer", target:this.game.oppid}));
 244       }
 245     },
 246     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 247     receiveDrawOffer: function() {
 248       //if (...)
 249       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 250       // if accept: send message "draw"
 251     },
 252     abortGame: function(event) {
 253       let modalBox = document.getElementById("modalAbort");
 254       if (!event)
 255       {
 256         // First call show options:
 257         modalBox.checked = true;
 258       }
 259       else
 260       {
 261         modalBox.checked = false; //decision made: box disappear
 262         const message = event.target.innerText;
 263         // Next line will trigger a "gameover" event, bubbling up till here
 264         this.$refs["basegame"].endGame("?", "Abort: " + message);
 265         this.st.conn.send(JSON.stringify({
 266           code: "abort",
 267           msg: message,
 268           target: this.game.oppid,
 269         }));
 270       }
 271     },
 272     resign: function(e) {
 273       if (!confirm("Resign the game?"))
 274         return;
 275       this.st.conn.send(JSON.stringify({
 276         code: "resign",
 277         target: this.game.oppid,
 278       }));
 279       // Next line will trigger a "gameover" event, bubbling up till here
 280       this.$refs["basegame"].endGame(
 281         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 282     },
 283     // 3 cases for loading a game:
 284     //  - from indexedDB (running or completed live game I play)
 285     //  - from server (one correspondance game I play[ed] or not)
 286     //  - from remote peer (one live game I don't play, finished or not)
 287     loadGame: function(game) {
 288       const afterRetrieval = async (game) => {
 289         const vModule = await import("@/variants/" + game.vname + ".js");
 290         window.V = vModule.VariantRules;
 291         this.vr = new V(game.fen);
 292         const myIdx = game.players.findIndex(p => p.sid == this.st.user.sid);
 293         this.game = Object.assign({},
 294           game,
 295           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 296           {
 297             mycolor: [undefined,"w","b"][myIdx+1],
 298             // opponent sid not strictly required, but easier
 299             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
 300           }
 301         );
 302         if (!!this.game.oppid)
 303         {
 304           // Send ping to server (answer pong if players[s] are connected)
 305           this.st.conn.send(JSON.stringify({code:"ping", target:this.game.oppid}));
 306         }
 307       };
 308       if (!!game)
 309         return afterRetrival(game);
 310       if (!!this.gameRef.rid)
 311       {
 312         this.st.conn.send(JSON.stringify({code:"askfullgame", target:this.gameRef.rid}));
 313         // TODO: just send a game request message to the remote player,
 314         // and when receiving answer just call loadGame(received_game)
 315         // + remote peer should have registered us as an observer
 316         // (send moves updates + resign/abort/draw actions)
 317       }
 318       else
 319       {
 320         GameStorage.get(this.gameRef.id, async (game) => {
 321           afterRetrieval(game);
 322         });
 323       }
 324     },
 325     // Post-process a move (which was just played)
 326     processMove: function(move) {
 327       if (!this.game.mycolor)
 328         return; //I'm just an observer
 329       // Update storage (corr or live)
 330       const colorIdx = ["w","b"].indexOf(move.color);
 331       // https://stackoverflow.com/a/38750895
 332       const allowed_fields = ["appear", "vanish", "start", "end"];
 333       const filtered_move = Object.keys(move)
 334         .filter(key => allowed_fields.includes(key))
 335         .reduce((obj, key) => {
 336           obj[key] = move[key];
 337           return obj;
 338         }, {});
 339       // Send move ("newmove" event) to opponent(s) (if ours)
 340       let addTime = undefined;
 341       if (move.color == this.game.mycolor)
 342       {
 343         const elapsed = Date.now() - this.game.initime[colorIdx];
 344         // elapsed time is measured in milliseconds
 345         addTime = this.game.increment - elapsed/1000;
 346         this.st.conn.send(JSON.stringify({
 347           code: "newmove",
 348           target: this.game.oppid,
 349           move: Object.assign({}, filtered_move, {addTime: addTime}),
 350         }));
 351       }
 352       else
 353         addTime = move.addTime; //supposed transmitted
 354       const nextIdx = ["w","b"].indexOf(this.vr.turn);
 355       GameStorage.update(this.gameRef.id,
 356       {
 357         colorIdx: colorIdx,
 358         nextIdx: nextIdx,
 359         move: filtered_move,
 360         fen: move.fen,
 361         addTime: addTime,
 362       });
 363       // Also update current game object:
 364       this.game.moves.push(move);
 365       this.game.fen = move.fen;
 366       //TODO: just this.game.clocks[colorIdx] += (!!addTime ? addTime : 0);
 367       this.$set(this.game.clocks, colorIdx,
 368         this.game.clocks[colorIdx] + (!!addTime ? addTime : 0));
 369       this.game.initime[nextIdx] = Date.now();
 370     },
 371     // TODO: this update function should also work for corr games
 372     gameOver: function(score) {
 373       this.game.mode = "analyze";
 374       GameStorage.update(this.gameRef.id,
 375       {
 376         score: score,
 377       });
 378     },
 379   },
 380 };
 381 </script>
 382
 383 <style lang="sass">
 384 // TODO
 385 </style>