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" @newmove="processMove")
  20     .button-group(v-if="game.mode!='analyze'")
  21       button(@click="offerDraw") Draw
  22       button(@click="abortGame") Abort
  23       button(@click="resign") Resign
  24     div(v-if="game.mode=='corr'")
  25       textarea(v-show="score=='*' && vr.turn==mycolor" v-model="corrMsg")
  26       div(v-show="cursor>=0") {{ moves[cursor].message }}
  27 </template>
  28
  29 <script>
  30 import BaseGame from "@/components/BaseGame.vue";
  31 //import Chat from "@/components/Chat.vue";
  32 //import MoveList from "@/components/MoveList.vue";
  33 import { store } from "@/store";
  34 import { GameStorage } from "@/utils/storage";
  35
  36 export default {
  37   name: 'my-game',
  38   components: {
  39     BaseGame,
  40   },
  41   // gameRef: to find the game in (potentially remote) storage
  42   data: function() {
  43     return {
  44       st: store.state,
  45       gameRef: {id: "", rid: ""}, //given in URL (rid = remote ID)
  46       game: {}, //passed to BaseGame
  47       vr: null, //"variant rules" object initialized from FEN
  48       drawOfferSent: false, //did I just ask for draw? (TODO: draw variables?)
  49       people: [], //potential observers (TODO)
  50     };
  51   },
  52   watch: {
  53     '$route' (to, from) {
  54       if (!!to.params["id"])
  55       {
  56         this.gameRef.id = to.params["id"];
  57         this.gameRef.rid = to.query["rid"];
  58         this.loadGame();
  59       }
  60     },
  61   },
  62   created: function() {
  63     if (!!this.$route.params["id"])
  64     {
  65       this.gameRef.id = this.$route.params["id"];
  66       this.gameRef.rid = this.$route.query["rid"];
  67       this.loadGame();
  68     }
  69     // TODO: how to know who is observing ? Send message to everyone with game ID ?
  70     // and then just listen to (dis)connect events
  71
  72
  73     // server always send "connect on " + URL ; then add to observers if game...
  74     // detect multiple tabs connected (when connect ask server if my SID is already in use)
  75 // router when access a game page tell to server I joined + game ID (no need rid)
  76 // and ask server for current joined (= observers)
  77 // when send to chat (or a move), reach only this group (send gid along)
  78
  79     // --> doivent être enregistrés comme observers au niveau du serveur...
  80     // non: poll users + events startObserving / stopObserving
  81
  82
  83     // TODO: also handle "draw accepted" (use opponents array?)
  84     // --> must give this info also when sending lastState...
  85     // and, if all players agree then OK draw (end game ...etc)
  86     const socketMessageListener = msg => {
  87       const data = JSON.parse(msg.data);
  88       let L = undefined;
  89       switch (data.code)
  90       {
  91         case "newmove":
  92           // TODO: observer on dark games must see all board ? Or alternate ? (seems better)
  93           // ...or just see nothing as on buho21
  94           this.$refs["basegame"].play(
  95             data.move, this.game.vname!="Dark" ? "animate" : null);
  96           break;
  97         case "pong": //received if we sent a ping (game still alive on our side)
  98           if (this.gameRef.id != data.gameId)
  99             break; //games IDs don't match: the game is definitely over...
 100           this.oppConnected = true;
 101           // Send our "last state" informations to opponent(s)
 102           L = this.vr.moves.length;
 103           Object.keys(this.opponents).forEach(oid => {
 104             this.conn.send(JSON.stringify({
 105               code: "lastate",
 106               oppid: oid,
 107               gameId: this.gameRef.id,
 108               lastMove: (L>0?this.vr.moves[L-1]:undefined),
 109               movesCount: L,
 110             }));
 111           });
 112           break;
 113         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves
 114         case "lastate": //got opponent infos about last move
 115           L = this.vr.moves.length;
 116           if (this.gameRef.id != data.gameId)
 117             break; //games IDs don't match: nothing we can do...
 118           // OK, opponent still in game (which might be over)
 119           if (this.score != "*")
 120           {
 121             // We finished the game (any result possible)
 122             this.conn.send(JSON.stringify({
 123               code: "lastate",
 124               oppid: data.oppid,
 125               gameId: this.gameRef.id,
 126               score: this.score,
 127             }));
 128           }
 129           else if (!!data.score) //opponent finished the game
 130             this.endGame(data.score);
 131           else if (data.movesCount < L)
 132           {
 133             // We must tell last move to opponent
 134             this.conn.send(JSON.stringify({
 135               code: "lastate",
 136               oppid: this.opponent.id,
 137               gameId: this.gameRef.id,
 138               lastMove: this.vr.moves[L-1],
 139               movesCount: L,
 140             }));
 141           }
 142           else if (data.movesCount > L) //just got last move from him
 143             this.play(data.lastMove, "animate");
 144           break;
 145         case "resign": //..you won!
 146           this.endGame(this.mycolor=="w"?"1-0":"0-1");
 147           break;
 148         // TODO: also use (dis)connect info to count online players?
 149         case "gameconnect":
 150         case "gamedisconnect":
 151           if (this.mode=="human")
 152           {
 153             const online = (data.code == "connect");
 154             // If this is an opponent ?
 155             if (!!this.opponents[data.id])
 156               this.opponents[data.id].online = online;
 157             else
 158             {
 159               // Or an observer ?
 160               if (!online)
 161                 delete this.people[data.id];
 162               else
 163                 this.people[data.id] = data.name;
 164             }
 165           }
 166           break;
 167       }
 168     };
 169     const socketCloseListener = () => {
 170       this.conn.addEventListener('message', socketMessageListener);
 171       this.conn.addEventListener('close', socketCloseListener);
 172     };
 173     if (!!this.conn)
 174     {
 175       this.conn.onmessage = socketMessageListener;
 176       this.conn.onclose = socketCloseListener;
 177     }
 178   },
 179   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 180   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 181   methods: {
 182     offerDraw: function() {
 183       if (!confirm("Offer draw?"))
 184         return;
 185       // Stay in "draw offer sent" state until next move is played
 186       this.drawOfferSent = true;
 187       if (this.subMode == "corr")
 188       {
 189         // TODO: set drawOffer on in game (how ?)
 190       }
 191       else //live game
 192       {
 193         this.opponents.forEach(o => {
 194           if (!!o.online)
 195           {
 196             try {
 197               this.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 198             } catch (INVALID_STATE_ERR) {
 199               return;
 200             }
 201           }
 202         });
 203       }
 204     },
 205     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 206     receiveDrawOffer: function() {
 207       //if (...)
 208       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 209       // if accept: send message "draw"
 210     },
 211     abortGame: function() {
 212       if (!confirm("Abort the game?"))
 213         return;
 214       //+ bouton "abort" avec score == "?" + demander confirmation pour toutes ces actions,
 215       //send message: "gameOver" avec score "?"
 216     },
 217     resign: function(e) {
 218       if (!confirm("Resign the game?"))
 219         return;
 220       if (this.mode == "human" && this.oppConnected(this.oppid))
 221       {
 222         try {
 223           this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
 224         } catch (INVALID_STATE_ERR) {
 225           return;
 226         }
 227       }
 228       this.endGame(this.mycolor=="w"?"0-1":"1-0");
 229     },
 230     // 4 cases for loading a game:
 231     //  - from localStorage (one running game I play)
 232     //  - from indexedDB (one completed live game)
 233     //  - from server (one correspondance game I play[ed] or not)
 234     //  - from remote peer (one live game I don't play, finished or not)
 235     loadGame: function() {
 236       GameStorage.get(this.gameRef, async (game) => {
 237         this.game = game;
 238         const vModule = await import("@/variants/" + game.vname + ".js");
 239         window.V = vModule.VariantRules;
 240         this.vr = new V(game.fen);
 241       });
 242 //    // Poll all players except me (if I'm playing) to know online status.
 243 //    // --> Send ping to server (answer pong if players[s] are connected)
 244 //    if (this.gameInfo.players.some(p => p.sid == this.st.user.sid))
 245 //    {
 246 //      this.game.players.forEach(p => {
 247 //        if (p.sid != this.st.user.sid)
 248 //          this.st.conn.send(JSON.stringify({code:"ping", oppid:p.sid}));
 249 //      });
 250 //    }
 251     },
 252     oppConnected: function(uid) {
 253       return this.opponents.some(o => o.id == uid && o.online);
 254     },
 255     processMove: function(move) {
 256       // TODO: process some opponent's move
 257     },
 258   },
 259 };
 260 </script>