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" :analyze="analyze"
  20       :vr="vr" :fen-start="fenStart" :players="players" :mycolor="mycolor"
  21       ref="basegame" @newmove="processMove")
  22     .button-group(v-if="mode!='analyze'")
  23       button(@click="offerDraw") Draw
  24       button(@click="abortGame") Abort
  25       button(@click="resign") Resign
  26     div(v-if="mode=='corr'")
  27       textarea(v-show="score=='*' && vr.turn==mycolor" v-model="corrMsg")
  28       div(v-show="cursor>=0") {{ moves[cursor].message }}
  29 </template>
  30
  31 <script>
  32 import BaseGame from "@/components/BaseGame.vue";
  33 //import Chat from "@/components/Chat.vue";
  34 //import MoveList from "@/components/MoveList.vue";
  35 import { store } from "@/store";
  36 import { GameStorage } from "@/utils/storage";
  37
  38 export default {
  39   name: 'my-game',
  40   components: {
  41     BaseGame,
  42   },
  43   // gameRef: to find the game in (potentially remote) storage
  44   // mode: "live" or "corr" (correspondance game), or "analyze"
  45   data: function() {
  46     return {
  47       st: store.state,
  48       gameRef: {id: "", rid: ""}, //given in URL (rid = remote ID)
  49       game: null, //passed to BaseGame
  50       drawOfferSent: false, //did I just ask for draw? (TODO: draw variables?)
  51       people: [], //potential observers (TODO)
  52     };
  53   },
  54   computed: {
  55     analyze: function() {
  56       return this.mode == "analyze";
  57     },
  58   },
  59   watch: {
  60     '$route' (to, from) {
  61       this.gameRef.id = to.params["id"];
  62       this.gameRef.rid = to.query["rid"];
  63       this.loadGame();
  64     },
  65   },
  66   created: function() {
  67     if (!!this.$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
  86
  87     // TODO: also handle "draw accepted" (use opponents array?)
  88     // --> must give this info also when sending lastState...
  89     // and, if all players agree then OK draw (end game ...etc)
  90     const socketMessageListener = msg => {
  91       const data = JSON.parse(msg.data);
  92       let L = undefined;
  93       switch (data.code)
  94       {
  95         case "newmove":
  96           // TODO: observer on dark games must see all board ? Or alternate ? (seems better)
  97           // ...or just see nothing as on buho21
  98           this.$refs["baseGame"].play(
  99             data.move, this.vname!="Dark" ? "animate" : null);
 100           break;
 101         case "pong": //received if we sent a ping (game still alive on our side)
 102           if (this.gameRef.id != data.gameId)
 103             break; //games IDs don't match: the game is definitely over...
 104           this.oppConnected = true;
 105           // Send our "last state" informations to opponent(s)
 106           L = this.vr.moves.length;
 107           Object.keys(this.opponents).forEach(oid => {
 108             this.conn.send(JSON.stringify({
 109               code: "lastate",
 110               oppid: oid,
 111               gameId: this.gameRef.id,
 112               lastMove: (L>0?this.vr.moves[L-1]:undefined),
 113               movesCount: L,
 114             }));
 115           });
 116           break;
 117         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves
 118         case "lastate": //got opponent infos about last move
 119           L = this.vr.moves.length;
 120           if (this.gameRef.id != data.gameId)
 121             break; //games IDs don't match: nothing we can do...
 122           // OK, opponent still in game (which might be over)
 123           if (this.score != "*")
 124           {
 125             // We finished the game (any result possible)
 126             this.conn.send(JSON.stringify({
 127               code: "lastate",
 128               oppid: data.oppid,
 129               gameId: this.gameRef.id,
 130               score: this.score,
 131             }));
 132           }
 133           else if (!!data.score) //opponent finished the game
 134             this.endGame(data.score);
 135           else if (data.movesCount < L)
 136           {
 137             // We must tell last move to opponent
 138             this.conn.send(JSON.stringify({
 139               code: "lastate",
 140               oppid: this.opponent.id,
 141               gameId: this.gameRef.id,
 142               lastMove: this.vr.moves[L-1],
 143               movesCount: L,
 144             }));
 145           }
 146           else if (data.movesCount > L) //just got last move from him
 147             this.play(data.lastMove, "animate");
 148           break;
 149         case "resign": //..you won!
 150           this.endGame(this.mycolor=="w"?"1-0":"0-1");
 151           break;
 152         // TODO: also use (dis)connect info to count online players?
 153         case "gameconnect":
 154         case "gamedisconnect":
 155           if (this.mode=="human")
 156           {
 157             const online = (data.code == "connect");
 158             // If this is an opponent ?
 159             if (!!this.opponents[data.id])
 160               this.opponents[data.id].online = online;
 161             else
 162             {
 163               // Or an observer ?
 164               if (!online)
 165                 delete this.people[data.id];
 166               else
 167                 this.people[data.id] = data.name;
 168             }
 169           }
 170           break;
 171       }
 172     };
 173     const socketCloseListener = () => {
 174       this.conn.addEventListener('message', socketMessageListener);
 175       this.conn.addEventListener('close', socketCloseListener);
 176     };
 177     if (!!this.conn)
 178     {
 179       this.conn.onmessage = socketMessageListener;
 180       this.conn.onclose = socketCloseListener;
 181     }
 182   },
 183   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 184   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 185   methods: {
 186     offerDraw: function() {
 187       if (!confirm("Offer draw?"))
 188         return;
 189       // Stay in "draw offer sent" state until next move is played
 190       this.drawOfferSent = true;
 191       if (this.subMode == "corr")
 192       {
 193         // TODO: set drawOffer on in game (how ?)
 194       }
 195       else //live game
 196       {
 197         this.opponents.forEach(o => {
 198           if (!!o.online)
 199           {
 200             try {
 201               this.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 202             } catch (INVALID_STATE_ERR) {
 203               return;
 204             }
 205           }
 206         });
 207       }
 208     },
 209     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 210     receiveDrawOffer: function() {
 211       //if (...)
 212       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 213       // if accept: send message "draw"
 214     },
 215     abortGame: function() {
 216       if (!confirm("Abort the game?"))
 217         return;
 218       //+ bouton "abort" avec score == "?" + demander confirmation pour toutes ces actions,
 219       //send message: "gameOver" avec score "?"
 220     },
 221     resign: function(e) {
 222       if (!confirm("Resign the game?"))
 223         return;
 224       if (this.mode == "human" && this.oppConnected(this.oppid))
 225       {
 226         try {
 227           this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
 228         } catch (INVALID_STATE_ERR) {
 229           return;
 230         }
 231       }
 232       this.endGame(this.mycolor=="w"?"0-1":"1-0");
 233     },
 234     // 4 cases for loading a game:
 235     //  - from localStorage (one running game I play)
 236     //  - from indexedDB (one completed live game)
 237     //  - from server (one correspondance game I play[ed] or not)
 238     //  - from remote peer (one live game I don't play, finished or not)
 239     loadGame: async function() {
 240       const game = GameStorage.get(this.gameRef);
 241       this.game = game;
 242       this.cursor = game.moves.length-1;
 243       // TODO: lastMove must be in BaseGame, not here
 244       this.lastMove = (game.moves.length > 0 ? game.moves[this.cursor] : null);
 245       const vModule = await import("@/variants/" + game.vname + ".js");
 246       window.V = vModule.VariantRules;
 247
 248
 249
 250
 251     // Poll all players except me (if I'm playing) to know online status.
 252     // --> Send ping to server (answer pong if players[s] are connected)
 253     if (!!this.gameRef.id)
 254     {
 255       this.game.players.forEach(p => {
 256         if (p.sid != this.st.user.sid)
 257           this.st.conn.send(JSON.stringify({code:"ping", oppid:p.sid}));
 258       });
 259     }
 260
 261
 262
 263
 264
 265
 266     },
 267     oppConnected: function(uid) {
 268       return this.opponents.some(o => o.id == uid && o.online);
 269     },
 270   },
 271 };
 272 </script>