client/src/views/Game.vue

   1 <!-- TODO: component Game, + handle players + observers connect/disconnect
   2   event = "gameconnect" ...etc
   3   connect/disconnect with sid+name (ID not required); name slightly redundant but easier
   4 quand on arrive dans la partie, on poll les sids pour savoir qui est en ligne (ping)
   5 (éventuel échange lastate avec les connectés, pong ...etc)
   6 ensuite quand qqun se deco il suffit d'écouter "disconnect"
   7 pareil quand quelqu'un reco.
   8 (c'est assez rudimentaire et écoute trop de messages, mais dans un premier temps...)
   9       // TODO: [in game] send move + elapsed time (in milliseconds); in case of "lastate" message too
  10 // TODO: if I'm an observer and player(s) disconnect/reconnect, how to find me ?
  11 //      onClick :: ask full game to remote player, and register as an observer in game
  12 //      (use gameId to communicate)
  13 //      on landing on game :: if gameId not found locally, check remotely
  14 //      ==> il manque un param dans game : "remoteId"
  15 -->
  16 <template lang="pug">
  17 .row
  18   .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  19     BaseGame(:game="game" :vr="vr" ref="basegame"
  20       @newmove="processMove" @gameover="gameOver")
  21     .button-group(v-if="game.mode!='analyze'")
  22       button(@click="offerDraw") Draw
  23       button(@click="abortGame") Abort
  24       button(@click="resign") Resign
  25     div(v-if="game.mode=='corr'")
  26       textarea(v-show="score=='*' && vr.turn==game.mycolor" v-model="corrMsg")
  27       div(v-show="cursor>=0") {{ moves[cursor].message }}
  28 </template>
  29
  30 <script>
  31 import BaseGame from "@/components/BaseGame.vue";
  32 //import Chat from "@/components/Chat.vue";
  33 //import MoveList from "@/components/MoveList.vue";
  34 import { store } from "@/store";
  35 import { GameStorage } from "@/utils/storage";
  36
  37 export default {
  38   name: 'my-game',
  39   components: {
  40     BaseGame,
  41   },
  42   // gameRef: to find the game in (potentially remote) storage
  43   data: function() {
  44     return {
  45       st: store.state,
  46       gameRef: { //given in URL (rid = remote ID)
  47         id: "",
  48         rid: ""
  49       },
  50       game: { }, //passed to BaseGame
  51       vr: null, //"variant rules" object initialized from FEN
  52       drawOfferSent: false, //did I just ask for draw? (TODO: draw variables?)
  53       people: [ ], //potential observers (TODO)
  54     };
  55   },
  56   watch: {
  57     '$route' (to, from) {
  58       if (!!to.params["id"])
  59       {
  60         this.gameRef.id = to.params["id"];
  61         this.gameRef.rid = to.query["rid"];
  62         this.loadGame();
  63       }
  64     },
  65   },
  66   created: function() {
  67     if (!!this.$route.params["id"])
  68     {
  69       this.gameRef.id = this.$route.params["id"];
  70       this.gameRef.rid = this.$route.query["rid"];
  71       this.loadGame();
  72     }
  73     // TODO: how to know who is observing ? Send message to everyone with game ID ?
  74     // and then just listen to (dis)connect events
  75
  76
  77     // server always send "connect on " + URL ; then add to observers if game...
  78     // detect multiple tabs connected (when connect ask server if my SID is already in use)
  79 // router when access a game page tell to server I joined + game ID (no need rid)
  80 // and ask server for current joined (= observers)
  81 // when send to chat (or a move), reach only this group (send gid along)
  82
  83     // --> doivent être enregistrés comme observers au niveau du serveur...
  84     // non: poll users + events startObserving / stopObserving
  85     // (à faire au niveau du routeur ?)
  86
  87
  88     // TODO: also handle "draw accepted" (use opponents array?)
  89     // --> must give this info also when sending lastState...
  90     // and, if all players agree then OK draw (end game ...etc)
  91     const socketMessageListener = msg => {
  92       const data = JSON.parse(msg.data);
  93       let L = undefined;
  94       switch (data.code)
  95       {
  96         case "newmove":
  97           // TODO: observer on dark games must see all board ? Or alternate ? (seems better)
  98           // ...or just see nothing as on buho21
  99           this.$refs["basegame"].play(
 100             data.move, this.game.vname!="Dark" ? "animate" : null);
 101           break;
 102         case "pong": //received if we sent a ping (game still alive on our side)
 103           if (this.gameRef.id != data.gameId)
 104             break; //games IDs don't match: the game is definitely over...
 105           this.oppConnected = true;
 106           // Send our "last state" informations to opponent(s)
 107           L = this.vr.moves.length;
 108           Object.keys(this.opponents).forEach(oid => {
 109             this.st.conn.send(JSON.stringify({
 110               code: "lastate",
 111               oppid: oid,
 112               gameId: this.gameRef.id,
 113               lastMove: (L>0?this.vr.moves[L-1]:undefined),
 114               movesCount: L,
 115             }));
 116           });
 117           break;
 118         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves
 119         case "lastate": //got opponent infos about last move
 120           L = this.vr.moves.length;
 121           if (this.gameRef.id != data.gameId)
 122             break; //games IDs don't match: nothing we can do...
 123           // OK, opponent still in game (which might be over)
 124           if (this.score != "*")
 125           {
 126             // We finished the game (any result possible)
 127             this.st.conn.send(JSON.stringify({
 128               code: "lastate",
 129               oppid: data.oppid,
 130               gameId: this.gameRef.id,
 131               score: this.score,
 132             }));
 133           }
 134           else if (!!data.score) //opponent finished the game
 135             this.endGame(data.score);
 136           else if (data.movesCount < L)
 137           {
 138             // We must tell last move to opponent
 139             this.st.conn.send(JSON.stringify({
 140               code: "lastate",
 141               oppid: this.opponent.id,
 142               gameId: this.gameRef.id,
 143               lastMove: this.vr.moves[L-1],
 144               movesCount: L,
 145             }));
 146           }
 147           else if (data.movesCount > L) //just got last move from him
 148             this.play(data.lastMove, "animate");
 149           break;
 150         case "resign": //..you won!
 151           this.endGame(this.game.mycolor=="w"?"1-0":"0-1");
 152           break;
 153         // TODO: also use (dis)connect info to count online players?
 154         case "gameconnect":
 155         case "gamedisconnect":
 156           if (this.mode=="human")
 157           {
 158             const online = (data.code == "connect");
 159             // If this is an opponent ?
 160             if (!!this.opponents[data.id])
 161               this.opponents[data.id].online = online;
 162             else
 163             {
 164               // Or an observer ?
 165               if (!online)
 166                 delete this.people[data.id];
 167               else
 168                 this.people[data.id] = data.name;
 169             }
 170           }
 171           break;
 172       }
 173     };
 174     const socketCloseListener = () => {
 175       this.st.conn.addEventListener('message', socketMessageListener);
 176       this.st.conn.addEventListener('close', socketCloseListener);
 177     };
 178     this.st.conn.onmessage = socketMessageListener;
 179     this.st.conn.onclose = socketCloseListener;
 180   },
 181   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 182   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 183   methods: {
 184     offerDraw: function() {
 185       if (!confirm("Offer draw?"))
 186         return;
 187       // Stay in "draw offer sent" state until next move is played
 188       this.drawOfferSent = true;
 189       if (this.subMode == "corr")
 190       {
 191         // TODO: set drawOffer on in game (how ?)
 192       }
 193       else //live game
 194       {
 195         this.opponents.forEach(o => {
 196           if (!!o.online)
 197           {
 198             try {
 199               this.st.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 200             } catch (INVALID_STATE_ERR) {
 201               return;
 202             }
 203           }
 204         });
 205       }
 206     },
 207     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 208     receiveDrawOffer: function() {
 209       //if (...)
 210       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 211       // if accept: send message "draw"
 212     },
 213     abortGame: function() {
 214       if (!confirm("Abort the game?"))
 215         return;
 216       //+ bouton "abort" avec score == "?" + demander confirmation pour toutes ces actions,
 217       //send message: "gameOver" avec score "?"
 218       // ==> BaseGame must listen to game.score change, and call "endgame(score)" in this case
 219     },
 220     resign: function(e) {
 221       if (!confirm("Resign the game?"))
 222         return;
 223       if (this.mode == "human" && this.oppConnected(this.oppid))
 224       {
 225         try {
 226           this.st.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
 227         } catch (INVALID_STATE_ERR) {
 228           return;
 229         }
 230       }
 231       this.endGame(this.mycolor=="w"?"0-1":"1-0");
 232     },
 233     // 4 cases for loading a game:
 234     //  - from localStorage (one running game I play)
 235     //  - from indexedDB (one completed live game)
 236     //  - from server (one correspondance game I play[ed] or not)
 237     //  - from remote peer (one live game I don't play, finished or not)
 238     loadGame: function() {
 239       GameStorage.get(this.gameRef, async (game) => {
 240         this.game = Object.assign({},
 241           game,
 242           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 243           {mycolor: [undefined,"w","b"][1 + game.players.findIndex(
 244             p => p.sid == this.st.user.sid)]},
 245         );
 246         const vModule = await import("@/variants/" + game.vname + ".js");
 247         window.V = vModule.VariantRules;
 248         this.vr = new V(game.fen);
 249         // Post-processing: decorate each move with current FEN:
 250         // (to be able to jump to any position quickly)
 251         game.moves.forEach(move => {
 252           vr.play(move); //side-effect: set move.fen
 253         });
 254         this.vr.re_init(game.fen);
 255       });
 256 //    // Poll all players except me (if I'm playing) to know online status.
 257 //    // --> Send ping to server (answer pong if players[s] are connected)
 258 //    if (this.gameInfo.players.some(p => p.sid == this.st.user.sid))
 259 //    {
 260 //      this.game.players.forEach(p => {
 261 //        if (p.sid != this.st.user.sid)
 262 //          this.st.conn.send(JSON.stringify({code:"ping", oppid:p.sid}));
 263 //      });
 264 //    }
 265     },
 266     // TODO: refactor this old "oppConnected" logic
 267     oppConnected: function(uid) {
 268       return this.opponents.some(o => o.id == uid && o.online);
 269     },
 270     processMove: function(move) {
 271       if (!this.game.mycolor)
 272         return; //I'm just an observer
 273       // TODO: update storage (corr or live),
 274       GameStorage.update({
 275         fen: move: clocks: ................ // TODO
 276       });
 277       // Send move ("newmove" event) to opponent(s) (if ours)
 278       if (move.disappear[0].c == this.game.mycolor)
 279       {
 280         this.game.players.forEach(p => {
 281           if (p.sid != this.st.user.sid)
 282             this.st.conn.send("newmove", {target:p.sid, move:move});
 283         });
 284       }
 285     },
 286     gameOver: function(score) {
 287       // TODO: GameStorage.update with score
 288       // NOTE: this update function should also work for corr games
 289     },
 290   },
 291 };
 292 </script>
 293
 294 // TODO: utiliser "started" (renommer) pour se souvenir du timestamp où un user a commencé à réfléchir à un coup. Le sauvegarder dans update aussi...
 295
 296 // variable initime à récupérer de game aussi (et pas "started")
 297 // si initime à -1 ou undefined alors pas commencé. Abort possible à tout moment avec message
 298 // Sorry I have to go / Game seems over / Game is not interesting
 299
 300 move.clock à màj avec (current) clock - temps de réflexion (now() - initime) + increment
 301 après chaque coup dans une partie live ou corr non terminée.
 302 --> donc à Game.update on passe directement clock
 303
 304 code "T" pour score "perte au temps" ?