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 <script>
  26 import BaseGame from "@/components/BaseGame.vue";
  27 //import Chat from "@/components/Chat.vue";
  28 //import MoveList from "@/components/MoveList.vue";
  29 import { store } from "@/store";
  30 import { GameStorage } from "@/utils/gameStorage";
  31 import { ppt } from "@/utils/datetime";
  32
  33 export default {
  34   name: 'my-game',
  35   components: {
  36     BaseGame,
  37   },
  38   // gameRef: to find the game in (potentially remote) storage
  39   data: function() {
  40     return {
  41       st: store.state,
  42       gameRef: { //given in URL (rid = remote ID)
  43         id: "",
  44         rid: ""
  45       },
  46       game: { }, //passed to BaseGame
  47       virtualClocks: [0, 0], //initialized with true game.clocks
  48       vr: null, //"variant rules" object initialized from FEN
  49       drawOfferSent: false, //did I just ask for draw? (TODO: use for button style)
  50       people: [ ], //potential observers (TODO)
  51     };
  52   },
  53   watch: {
  54     '$route' (to, from) {
  55       if (!!to.params["id"])
  56       {
  57         this.gameRef.id = to.params["id"];
  58         this.gameRef.rid = to.query["rid"];
  59         this.loadGame();
  60       }
  61     },
  62     "game.clocks": function(newState) {
  63       this.virtualClocks = newState.map(s => ppt(s));
  64       const currentTurn = this.vr.turn;
  65       const colorIdx = ["w","b","g","r"].indexOf(currentTurn);
  66       let countdown = newState[colorIdx] -
  67         (Date.now() - this.game.initime[colorIdx])/1000;
  68       const myTurn = (currentTurn == this.game.mycolor);
  69       let clockUpdate = setInterval(() => {
  70         if (countdown <= 0 || this.vr.turn != currentTurn)
  71         {
  72           clearInterval(clockUpdate);
  73           if (countdown <= 0 && myTurn)
  74           {
  75             this.$refs["basegame"].endGame(
  76               this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
  77             this.game.players.forEach(p => {
  78               if (p.sid != this.st.user.sid)
  79               {
  80                 this.st.conn.send(JSON.stringify({
  81                   code: "timeover",
  82                   target: p.sid,
  83                 }));
  84               }
  85             });
  86           }
  87         }
  88         // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
  89         this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
  90       }, 1000);
  91     },
  92   },
  93   created: function() {
  94     if (!!this.$route.params["id"])
  95     {
  96       this.gameRef.id = this.$route.params["id"];
  97       this.gameRef.rid = this.$route.query["rid"];
  98       this.loadGame();
  99     }
 100     // TODO: how to know who is observing ? Send message to everyone with game ID ?
 101     // and then just listen to (dis)connect events
 102     // server always send "connect on " + URL ; then add to observers if game...
 103     // detect multiple tabs connected (when connect ask server if my SID is already in use)
 104 // router when access a game page tell to server I joined + game ID (no need rid)
 105 // and ask server for current joined (= observers)
 106 // when send to chat (or a move), reach only this group (send gid along)
 107     // --> doivent être enregistrés comme observers au niveau du serveur...
 108     // non: poll users + events startObserving / stopObserving
 109     // (à faire au niveau du routeur ?)
 110
 111     // TODO: also handle "draw accepted" (use opponents array?)
 112     // --> must give this info also when sending lastState...
 113     // and, if all players agree then OK draw (end game ...etc)
 114     const socketMessageListener = msg => {
 115       const data = JSON.parse(msg.data);
 116       let L = undefined;
 117       switch (data.code)
 118       {
 119         case "newmove":
 120           // NOTE: next call will trigger processMove()
 121           this.$refs["basegame"].play(data.move,
 122             "receive", this.game.vname!="Dark" ? "animate" : null);
 123           break;
 124         case "pong": //received if we sent a ping (game still alive on our side)
 125           if (this.gameRef.id != data.gameId)
 126             break; //games IDs don't match: the game is definitely over...
 127           this.oppConnected = true;
 128           // Send our "last state" informations to opponent(s)
 129           L = this.vr.moves.length;
 130           Object.keys(this.opponents).forEach(oid => {
 131             this.st.conn.send(JSON.stringify({
 132               code: "lastate",
 133               oppid: oid,
 134               gameId: this.gameRef.id,
 135               lastMove: (L>0?this.vr.moves[L-1]:undefined),
 136               movesCount: L,
 137             }));
 138           });
 139           break;
 140         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves
 141         // TODO: need to send along clock state (my current time) with my last move
 142         case "lastate": //got opponent infos about last move
 143           L = this.vr.moves.length;
 144           if (this.gameRef.id != data.gameId)
 145             break; //games IDs don't match: nothing we can do...
 146           // OK, opponent still in game (which might be over)
 147           if (this.score != "*")
 148           {
 149             // We finished the game (any result possible)
 150             this.st.conn.send(JSON.stringify({
 151               code: "lastate",
 152               oppid: data.oppid,
 153               gameId: this.gameRef.id,
 154               score: this.score,
 155             }));
 156           }
 157           else if (!!data.score) //opponent finished the game
 158             this.endGame(data.score);
 159           else if (data.movesCount < L)
 160           {
 161             // We must tell last move to opponent
 162             this.st.conn.send(JSON.stringify({
 163               code: "lastate",
 164               oppid: this.opponent.id,
 165               gameId: this.gameRef.id,
 166               lastMove: this.vr.moves[L-1],
 167               movesCount: L,
 168             }));
 169           }
 170           else if (data.movesCount > L) //just got last move from him
 171             this.play(data.lastMove, "animate"); //TODO: wrong call (3 args)
 172           break;
 173         case "resign":
 174           this.$refs["basegame"].endGame(
 175             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 176           break;
 177         case "timeover":
 178           this.$refs["basegame"].endGame(
 179             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 180           break;
 181         case "abort":
 182           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 183           break;
 184         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 185           // ==> on "newmove", check "drawOffer" field
 186         // TODO: also use (dis)connect info to count online players?
 187         case "gameconnect":
 188         case "gamedisconnect":
 189           if (this.mode=="human")
 190           {
 191             const online = (data.code == "connect");
 192             // If this is an opponent ?
 193             if (!!this.opponents[data.id])
 194               this.opponents[data.id].online = online;
 195             else
 196             {
 197               // Or an observer ?
 198               if (!online)
 199                 delete this.people[data.id];
 200               else
 201                 this.people[data.id] = data.name;
 202             }
 203           }
 204           break;
 205       }
 206     };
 207     const socketCloseListener = () => {
 208       this.st.conn.addEventListener('message', socketMessageListener);
 209       this.st.conn.addEventListener('close', socketCloseListener);
 210     };
 211     this.st.conn.onmessage = socketMessageListener;
 212     this.st.conn.onclose = socketCloseListener;
 213   },
 214   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 215   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 216   methods: {
 217     offerDraw: function() {
 218       if (!confirm("Offer draw?"))
 219         return;
 220       // Stay in "draw offer sent" state until next move is played
 221       this.drawOfferSent = true;
 222       if (this.subMode == "corr")
 223       {
 224         // TODO: set drawOffer on in game (how ?)
 225       }
 226       else //live game
 227       {
 228         this.opponents.forEach(o => {
 229           if (!!o.online)
 230           {
 231             try {
 232               this.st.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 233             } catch (INVALID_STATE_ERR) {
 234               return;
 235             }
 236           }
 237         });
 238       }
 239     },
 240     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 241     receiveDrawOffer: function() {
 242       //if (...)
 243       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 244       // if accept: send message "draw"
 245     },
 246     abortGame: function(event) {
 247       if (!event)
 248       {
 249         // First call show options:
 250         let modalBox = document.getElementById("modalAbort");
 251         modalBox.checked = true;
 252       }
 253       else
 254       {
 255         console.log(event);
 256         return;
 257         //const message = event.
 258         // Next line will trigger a "gameover" event, bubbling up till here
 259         this.$refs["basegame"].endGame("?", "Abort: " + event.msg); //TODO
 260         this.game.players.forEach(p => {
 261           if (!!p.sid && p.sid != this.st.user.sid)
 262           {
 263             this.st.conn.send(JSON.stringify({
 264               code: "abort",
 265               msg: message,
 266               target: p.sid,
 267             }));
 268           }
 269         });
 270       }
 271     },
 272     resign: function(e) {
 273       if (!confirm("Resign the game?"))
 274         return;
 275       this.game.players.forEach(p => {
 276         if (!!p.sid && p.sid != this.st.user.sid)
 277         {
 278           this.st.conn.send(JSON.stringify({
 279             code: "resign",
 280             target: p.sid,
 281           }));
 282         }
 283       });
 284       // Next line will trigger a "gameover" event, bubbling up till here
 285       this.$refs["basegame"].endGame(
 286         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 287     },
 288     // 3 cases for loading a game:
 289     //  - from indexedDB (running or completed live game I play)
 290     //  - from server (one correspondance game I play[ed] or not)
 291     //  - from remote peer (one live game I don't play, finished or not)
 292     loadGame: function(game) {
 293       const afterRetrieval = async (game) => {
 294         const vModule = await import("@/variants/" + game.vname + ".js");
 295         window.V = vModule.VariantRules;
 296         this.vr = new V(game.fen);
 297         this.game = Object.assign({},
 298           game,
 299           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 300           {mycolor: [undefined,"w","b"][1 + game.players.findIndex(
 301             p => p.sid == this.st.user.sid)]},
 302         );
 303       };
 304       if (!!game)
 305         return afterRetrival(game);
 306       if (!!this.gameRef.rid)
 307       {
 308         // TODO: just send a game request message to the remote player,
 309         // and when receiving answer just call loadGame(received_game)
 310         // + remote peer should have registered us as an observer
 311         // (send moves updates + resign/abort/draw actions)
 312         return;
 313       }
 314       else
 315       {
 316         GameStorage.get(this.gameRef.id, async (game) => {
 317           afterRetrieval(game);
 318         });
 319       }
 320 //    // Poll all players except me (if I'm playing) to know online status.
 321 //    // --> Send ping to server (answer pong if players[s] are connected)
 322 //    if (this.gameInfo.players.some(p => p.sid == this.st.user.sid))
 323 //    {
 324 //      this.game.players.forEach(p => {
 325 //        if (p.sid != this.st.user.sid)
 326 //          this.st.conn.send(JSON.stringify({code:"ping", oppid:p.sid}));
 327 //      });
 328 //    }
 329     },
 330     // TODO: refactor this old "oppConnected" logic
 331 //    oppConnected: function(uid) {
 332 //      return this.opponents.some(o => o.id == uid && o.online);
 333 //    },
 334     // Post-process a move (which was just played)
 335     processMove: function(move) {
 336       if (!this.game.mycolor)
 337         return; //I'm just an observer
 338       // Update storage (corr or live)
 339       const colorIdx = ["w","b","g","r"].indexOf(move.color);
 340       // https://stackoverflow.com/a/38750895
 341       const allowed_fields = ["appear", "vanish", "start", "end"];
 342       const filtered_move = Object.keys(move)
 343         .filter(key => allowed_fields.includes(key))
 344         .reduce((obj, key) => {
 345           obj[key] = move[key];
 346           return obj;
 347         }, {});
 348       // Send move ("newmove" event) to opponent(s) (if ours)
 349       let addTime = undefined;
 350       if (move.color == this.game.mycolor)
 351       {
 352         const elapsed = Date.now() - this.game.initime[colorIdx];
 353         // elapsed time is measured in milliseconds
 354         addTime = this.game.increment - elapsed/1000;
 355         this.game.players.forEach(p => {
 356           if (p.sid != this.st.user.sid)
 357           {
 358             this.st.conn.send(JSON.stringify({
 359               code: "newmove",
 360               target: p.sid,
 361               move: Object.assign({}, filtered_move, {addTime: addTime}),
 362             }));
 363           }
 364         });
 365       }
 366       else
 367         addTime = move.addTime; //supposed transmitted
 368       const nextIdx = ["w","b","g","r"].indexOf(this.vr.turn);
 369       GameStorage.update(this.gameRef.id,
 370       {
 371         colorIdx: colorIdx,
 372         nextIdx: nextIdx,
 373         move: filtered_move,
 374         fen: move.fen,
 375         addTime: addTime,
 376       });
 377       // Also update current game object:
 378       this.game.moves.push(move);
 379       this.game.fen = move.fen;
 380       //TODO: just this.game.clocks[colorIdx] += (!!addTime ? addTime : 0);
 381       this.$set(this.game.clocks, colorIdx,
 382         this.game.clocks[colorIdx] + (!!addTime ? addTime : 0));
 383       this.game.initime[nextIdx] = Date.now();
 384     },
 385     // TODO: this update function should also work for corr games
 386     gameOver: function(score) {
 387       this.game.mode = "analyze";
 388       GameStorage.update(this.gameRef.id,
 389       {
 390         score: score,
 391       });
 392     },
 393   },
 394 };
 395 </script>