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
  17
  18
  19 localStorage["score"] = score;
  20
  21
  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 // TODO: if I'm an observer and player(s) disconnect/reconnect, how to find me ?
  33 //      onClick :: ask full game to remote player, and register as an observer in game
  34 //      (use gameId to communicate)
  35 //      on landing on game :: if gameId not found locally, check remotely
  36 //      ==> il manque un param dans game : "remoteId"
  37 import Board from "@/components/Board.vue";
  38 //import Chat from "@/components/Chat.vue";
  39 //import MoveList from "@/components/MoveList.vue";
  40 import { store } from "@/store";
  41
  42 export default {
  43   name: 'my-game',
  44   components: {
  45     BaseGame,
  46   },
  47   // gameId: to find the game in storage (assumption: it exists)
  48   // mode: "live" or "corr" (correspondance game), or "analyze"
  49   // gameRef in URL hash (listen for changes)
  50   props: ["gid","mode","variant"],
  51   data: function() {
  52     return {
  53       st: store.state,
  54       myname: store.state.user.name, //may be anonymous (thus no name)
  55       opponents: {}, //filled later (potentially 2 or 3 opponents)
  56       drawOfferSent: false, //did I just ask for draw?
  57       people: [], //observers
  58     };
  59   },
  60   watch: {
  61     gid: function() {
  62       this.launchGame();
  63     },
  64   },
  65   // Modal end of game, and then sub-components
  66   created: function() {
  67     if (!!this.gid)
  68       this.launchGame();
  69     // TODO: if I'm one of the players in game, then:
  70     // Send ping to server (answer pong if opponent[s] is connected)
  71     if (true && !!this.conn && !!this.gameRef)
  72     {
  73       this.conn.onopen = () => {
  74         this.conn.send(JSON.stringify({
  75           code:"ping",oppid:this.oppid,gameId:this.gameRef.id}));
  76       };
  77     }
  78     // TODO: also handle "draw accepted" (use opponents array?)
  79     // --> must give this info also when sending lastState...
  80     // and, if all players agree then OK draw (end game ...etc)
  81     const socketMessageListener = msg => {
  82       const data = JSON.parse(msg.data);
  83       let L = undefined;
  84       switch (data.code)
  85       {
  86         case "newmove": //..he played!
  87           this.play(data.move, this.variant.name!="Dark" ? "animate" : null);
  88           break;
  89         case "pong": //received if we sent a ping (game still alive on our side)
  90           if (this.gameRef.id != data.gameId)
  91             break; //games IDs don't match: definitely over...
  92           this.oppConnected = true;
  93           // Send our "last state" informations to opponent(s)
  94           L = this.vr.moves.length;
  95           Object.keys(this.opponents).forEach(oid => {
  96             this.conn.send(JSON.stringify({
  97               code: "lastate",
  98               oppid: oid,
  99               gameId: this.gameRef.id,
 100               lastMove: (L>0?this.vr.moves[L-1]:undefined),
 101               movesCount: L,
 102             }));
 103           });
 104           break;
 105         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves (not just one)
 106         case "lastate": //got opponent infos about last move
 107           L = this.vr.moves.length;
 108           if (this.gameRef.id != data.gameId)
 109             break; //games IDs don't match: nothing we can do...
 110           // OK, opponent still in game (which might be over)
 111           if (this.score != "*")
 112           {
 113             // We finished the game (any result possible)
 114             this.conn.send(JSON.stringify({
 115               code: "lastate",
 116               oppid: data.oppid,
 117               gameId: this.gameRef.id,
 118               score: this.score,
 119             }));
 120           }
 121           else if (!!data.score) //opponent finished the game
 122             this.endGame(data.score);
 123           else if (data.movesCount < L)
 124           {
 125             // We must tell last move to opponent
 126             this.conn.send(JSON.stringify({
 127               code: "lastate",
 128               oppid: this.opponent.id,
 129               gameId: this.gameRef.id,
 130               lastMove: this.vr.moves[L-1],
 131               movesCount: L,
 132             }));
 133           }
 134           else if (data.movesCount > L) //just got last move from him
 135             this.play(data.lastMove, "animate");
 136           break;
 137         case "resign": //..you won!
 138           this.endGame(this.mycolor=="w"?"1-0":"0-1");
 139           break;
 140         // TODO: also use (dis)connect info to count online players?
 141         case "gameconnect":
 142         case "gamedisconnect":
 143           if (this.mode=="human")
 144           {
 145             const online = (data.code == "connect");
 146             // If this is an opponent ?
 147             if (!!this.opponents[data.id])
 148               this.opponents[data.id].online = online;
 149             else
 150             {
 151               // Or an observer ?
 152               if (!online)
 153                 delete this.people[data.id];
 154               else
 155                 this.people[data.id] = data.name;
 156             }
 157           }
 158           break;
 159       }
 160     };
 161     const socketCloseListener = () => {
 162       this.conn.addEventListener('message', socketMessageListener);
 163       this.conn.addEventListener('close', socketCloseListener);
 164     };
 165     if (!!this.conn)
 166     {
 167       this.conn.onmessage = socketMessageListener;
 168       this.conn.onclose = socketCloseListener;
 169     }
 170   },
 171   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 172   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 173   methods: {
 174     offerDraw: function() {
 175       if (!confirm("Offer draw?"))
 176         return;
 177       // Stay in "draw offer sent" state until next move is played
 178       this.drawOfferSent = true;
 179       if (this.subMode == "corr")
 180       {
 181         // TODO: set drawOffer on in game (how ?)
 182       }
 183       else //live game
 184       {
 185         this.opponents.forEach(o => {
 186           if (!!o.online)
 187           {
 188             try {
 189               this.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 190             } catch (INVALID_STATE_ERR) {
 191               return;
 192             }
 193           }
 194         });
 195       }
 196     },
 197     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 198     receiveDrawOffer: function() {
 199       //if (...)
 200       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 201       // if accept: send message "draw"
 202     },
 203     abortGame: function() {
 204       if (!confirm("Abort the game?"))
 205         return;
 206       //+ bouton "abort" avec score == "?" + demander confirmation pour toutes ces actions,
 207       //send message: "gameOver" avec score "?"
 208     },
 209     resign: function(e) {
 210       if (!confirm("Resign the game?"))
 211         return;
 212       if (this.mode == "human" && this.oppConnected(this.oppid))
 213       {
 214         try {
 215           this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
 216         } catch (INVALID_STATE_ERR) {
 217           return;
 218         }
 219       }
 220       this.endGame(this.mycolor=="w"?"0-1":"1-0");
 221     },
 222     launchGame: async function() {
 223       const vModule = await import("@/variants/" + this.variant.name + ".js");
 224       window.V = vModule.VariantRules;
 225       this.loadGame(this.gid);
 226     },
 227     loadGame: function(gid) {
 228       // TODO: ask game to remote peer if this.remoteId is set
 229       // (or just if game not found locally)
 230       // NOTE: if it's a corr game, ask it from server
 231       const game = getGameFromStorage(gid); //, this.gameRef.uid); //uid may be blank
 232       this.opponent.id = game.oppid; //opponent ID in case of running HH game
 233       this.opponent.name = game.oppname; //maye be blank (if anonymous)
 234       this.score = game.score;
 235       this.mycolor = game.mycolor;
 236       this.fenStart = game.fenStart;
 237       this.moves = game.moves;
 238       this.cursor = game.moves.length-1;
 239       this.lastMove = (game.moves.length > 0 ? game.moves[this.cursor] : null);
 240     },
 241     oppConnected: function(uid) {
 242       return this.opponents.any(o => o.id == uidi && o.online);
 243     },
 244   },
 245 };
 246 </script>