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
   5 quand on arrive dans la partie, on poll les sids pour savoir qui est en ligne (ping)
   6 (éventuel échange lastate avec les connectés, pong ...etc)
   7 ensuite quand qqun se deco il suffit d'écouter "disconnect"
   8 pareil quand quelqu'un reco.
   9 (c'est assez rudimentaire et écoute trop de messages, mais dans un premier temps...)
  10       // TODO: [in game] send move + elapsed time (in milliseconds); in case of "lastate" message too
  11 -->
  12 <template lang="pug">
  13 .row
  14   .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  15     //BaseGame(:variant="variant.name" @game-over=".....TODO")
  16     //localStorage["score"] = score;
  17
  18
  19     .button-group(v-if="mode!='analyze'")
  20       button(@click="offerDraw") Draw
  21       button(@click="abortGame") Abort
  22       button(@click="resign") Resign
  23     div(v-if="mode=='corr'")
  24       textarea(v-show="score=='*' && vr.turn==mycolor" v-model="corrMsg")
  25       div(v-show="cursor>=0") {{ moves[cursor].message }}
  26 </template>
  27
  28 <script>
  29 // TODO: if I'm an observer and player(s) disconnect/reconnect, how to find me ?
  30 //      onClick :: ask full game to remote player, and register as an observer in game
  31 //      (use gameId to communicate)
  32 //      on landing on game :: if gameId not found locally, check remotely
  33 //      ==> il manque un param dans game : "remoteId"
  34 import Board from "@/components/Board.vue";
  35 //import Chat from "@/components/Chat.vue";
  36 //import MoveList from "@/components/MoveList.vue";
  37 import { store } from "@/store";
  38
  39 export default {
  40   name: 'my-game',
  41   components: {
  42     BaseGame,
  43   },
  44   // gameId: to find the game in storage (assumption: it exists)
  45   // mode: "live" or "corr" (correspondance game), or "analyze"
  46   // gameRef in URL hash (listen for changes)
  47   props: ["gid","mode","variant"],
  48   data: function() {
  49     return {
  50       st: store.state,
  51       myname: store.state.user.name, //may be anonymous (thus no name)
  52       opponents: {}, //filled later (potentially 2 or 3 opponents)
  53       drawOfferSent: false, //did I just ask for draw?
  54       people: [], //observers
  55     };
  56   },
  57   watch: {
  58     gid: function() {
  59       this.launchGame();
  60     },
  61   },
  62   // Modal end of game, and then sub-components
  63   created: function() {
  64     if (!!this.gid)
  65       this.launchGame();
  66     // TODO: if I'm one of the players in game, then:
  67     // Send ping to server (answer pong if opponent[s] is connected)
  68     if (true && !!this.conn && !!this.gameRef)
  69     {
  70       this.conn.onopen = () => {
  71         this.conn.send(JSON.stringify({
  72           code:"ping",oppid:this.oppid,gameId:this.gameRef.id}));
  73       };
  74     }
  75     // TODO: also handle "draw accepted" (use opponents array?)
  76     // --> must give this info also when sending lastState...
  77     // and, if all players agree then OK draw (end game ...etc)
  78     const socketMessageListener = msg => {
  79       const data = JSON.parse(msg.data);
  80       let L = undefined;
  81       switch (data.code)
  82       {
  83         case "newmove": //..he played!
  84           this.play(data.move, this.variant.name!="Dark" ? "animate" : null);
  85           break;
  86         case "pong": //received if we sent a ping (game still alive on our side)
  87           if (this.gameRef.id != data.gameId)
  88             break; //games IDs don't match: definitely over...
  89           this.oppConnected = true;
  90           // Send our "last state" informations to opponent(s)
  91           L = this.vr.moves.length;
  92           Object.keys(this.opponents).forEach(oid => {
  93             this.conn.send(JSON.stringify({
  94               code: "lastate",
  95               oppid: oid,
  96               gameId: this.gameRef.id,
  97               lastMove: (L>0?this.vr.moves[L-1]:undefined),
  98               movesCount: L,
  99             }));
 100           });
 101           break;
 102         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves (not just one)
 103         case "lastate": //got opponent infos about last move
 104           L = this.vr.moves.length;
 105           if (this.gameRef.id != data.gameId)
 106             break; //games IDs don't match: nothing we can do...
 107           // OK, opponent still in game (which might be over)
 108           if (this.score != "*")
 109           {
 110             // We finished the game (any result possible)
 111             this.conn.send(JSON.stringify({
 112               code: "lastate",
 113               oppid: data.oppid,
 114               gameId: this.gameRef.id,
 115               score: this.score,
 116             }));
 117           }
 118           else if (!!data.score) //opponent finished the game
 119             this.endGame(data.score);
 120           else if (data.movesCount < L)
 121           {
 122             // We must tell last move to opponent
 123             this.conn.send(JSON.stringify({
 124               code: "lastate",
 125               oppid: this.opponent.id,
 126               gameId: this.gameRef.id,
 127               lastMove: this.vr.moves[L-1],
 128               movesCount: L,
 129             }));
 130           }
 131           else if (data.movesCount > L) //just got last move from him
 132             this.play(data.lastMove, "animate");
 133           break;
 134         case "resign": //..you won!
 135           this.endGame(this.mycolor=="w"?"1-0":"0-1");
 136           break;
 137         // TODO: also use (dis)connect info to count online players?
 138         case "gameconnect":
 139         case "gamedisconnect":
 140           if (this.mode=="human")
 141           {
 142             const online = (data.code == "connect");
 143             // If this is an opponent ?
 144             if (!!this.opponents[data.id])
 145               this.opponents[data.id].online = online;
 146             else
 147             {
 148               // Or an observer ?
 149               if (!online)
 150                 delete this.people[data.id];
 151               else
 152                 this.people[data.id] = data.name;
 153             }
 154           }
 155           break;
 156       }
 157     };
 158     const socketCloseListener = () => {
 159       this.conn.addEventListener('message', socketMessageListener);
 160       this.conn.addEventListener('close', socketCloseListener);
 161     };
 162     if (!!this.conn)
 163     {
 164       this.conn.onmessage = socketMessageListener;
 165       this.conn.onclose = socketCloseListener;
 166     }
 167   },
 168   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 169   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 170   methods: {
 171     offerDraw: function() {
 172       if (!confirm("Offer draw?"))
 173         return;
 174       // Stay in "draw offer sent" state until next move is played
 175       this.drawOfferSent = true;
 176       if (this.subMode == "corr")
 177       {
 178         // TODO: set drawOffer on in game (how ?)
 179       }
 180       else //live game
 181       {
 182         this.opponents.forEach(o => {
 183           if (!!o.online)
 184           {
 185             try {
 186               this.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 187             } catch (INVALID_STATE_ERR) {
 188               return;
 189             }
 190           }
 191         });
 192       }
 193     },
 194     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 195     receiveDrawOffer: function() {
 196       //if (...)
 197       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 198       // if accept: send message "draw"
 199     },
 200     abortGame: function() {
 201       if (!confirm("Abort the game?"))
 202         return;
 203       //+ bouton "abort" avec score == "?" + demander confirmation pour toutes ces actions,
 204       //send message: "gameOver" avec score "?"
 205     },
 206     resign: function(e) {
 207       if (!confirm("Resign the game?"))
 208         return;
 209       if (this.mode == "human" && this.oppConnected(this.oppid))
 210       {
 211         try {
 212           this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
 213         } catch (INVALID_STATE_ERR) {
 214           return;
 215         }
 216       }
 217       this.endGame(this.mycolor=="w"?"0-1":"1-0");
 218     },
 219     launchGame: async function() {
 220       const vModule = await import("@/variants/" + this.variant.name + ".js");
 221       window.V = vModule.VariantRules;
 222       this.loadGame(this.gid);
 223     },
 224     loadGame: function(gid) {
 225       // TODO: ask game to remote peer if this.remoteId is set
 226       // (or just if game not found locally)
 227       // NOTE: if it's a corr game, ask it from server
 228       const game = getGameFromStorage(gid); //, this.gameRef.uid); //uid may be blank
 229       this.opponent.id = game.oppid; //opponent ID in case of running HH game
 230       this.opponent.name = game.oppname; //maye be blank (if anonymous)
 231       this.score = game.score;
 232       this.mycolor = game.mycolor;
 233       this.fenStart = game.fenStart;
 234       this.moves = game.moves;
 235       this.cursor = game.moves.length-1;
 236       this.lastMove = (game.moves.length > 0 ? game.moves[this.cursor] : null);
 237     },
 238     oppConnected: function(uid) {
 239       return this.opponents.any(o => o.id == uidi && o.online);
 240     },
 241   },
 242 };
 243 </script>