client/src/views/Game.vue

   1 <template lang="pug">
   2 .row
   3   .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
   4     input#modalAbort.modal(type="checkbox")
   5     div(role="dialog" aria-labelledby="abortBoxTitle")
   6       .card.smallpad.small-modal.text-center
   7         label.modal-close(for="modalAbort")
   8         h3#abortBoxTitle.section {{ st.tr["Terminate game?"] }}
   9         button(@click="abortGame") {{ st.tr["Sorry I have to go"] }}
  10         button(@click="abortGame") {{ st.tr["Game seems over"] }}
  11         button(@click="abortGame") {{ st.tr["Game is too boring"] }}
  12     BaseGame(:game="game" :vr="vr" ref="basegame"
  13       @newmove="processMove" @gameover="gameOver")
  14     // TODO: virtualClocks[...], not "clockState"
  15     div Time: {{ clockState }}
  16     .button-group(v-if="game.mode!='analyze' && game.score=='*'")
  17       button(@click="offerDraw") Draw
  18       button(@click="() => abortGame()") Abort
  19       button(@click="resign") Resign
  20     div(v-if="game.mode=='corr'")
  21       textarea(v-show="score=='*' && vr.turn==game.mycolor" v-model="corrMsg")
  22       div(v-show="cursor>=0") {{ moves[cursor].message }}
  23 </template>
  24
  25 <script>
  26 import BaseGame from "@/components/BaseGame.vue";
  27 //import Chat from "@/components/Chat.vue";
  28 //import MoveList from "@/components/MoveList.vue";
  29 import { store } from "@/store";
  30 import { GameStorage } from "@/utils/gameStorage";
  31 import { ppt } from "@/utils/datetime";
  32
  33 export default {
  34   name: 'my-game',
  35   components: {
  36     BaseGame,
  37   },
  38   // gameRef: to find the game in (potentially remote) storage
  39   data: function() {
  40     return {
  41       st: store.state,
  42       gameRef: { //given in URL (rid = remote ID)
  43         id: "",
  44         rid: ""
  45       },
  46       game: { }, //passed to BaseGame
  47       virtualClocks: [ ], //initialized with true game.clocks
  48       vr: null, //"variant rules" object initialized from FEN
  49       drawOfferSent: false, //did I just ask for draw? (TODO: use for button style)
  50       people: [ ], //potential observers (TODO)
  51     };
  52   },
  53
  54   // TODO: this method should disappear and virtualClocks already be "prettified":
  55   // all computations are done when game.clocks are updated (see below)
  56   computed: {
  57     clockState: function() {
  58       if (this.virtualClocks.length == 0)
  59         return; //nothing to display for now
  60       return ppt(this.virtualClocks[0]) + " - " + ppt(this.virtualClocks[1]);
  61     },
  62   },
  63
  64   watch: {
  65     '$route' (to, from) {
  66       if (!!to.params["id"])
  67       {
  68         this.gameRef.id = to.params["id"];
  69         this.gameRef.rid = to.query["rid"];
  70         this.loadGame();
  71       }
  72     },
  73     "game.clocks": function(newState) {
  74       this.virtualClocks = newState;
  75       setInterval(function() {
  76
  77         // TODO: run clock of current turn, stop at 0, clearInterval in the end
  78         // https://www.geeksforgeeks.org/create-countdown-timer-using-javascript/
  79         // if it was my turn, call gameOver. Otherwise just stay at 0 and wait.
  80         if ( ...........)
  81 //à 0, bloquer puis si mon temps : perte au temps. Sinon attendre message adversaire (il peut être offline).
  82
  83       });
  84     },
  85   },
  86   created: function() {
  87     if (!!this.$route.params["id"])
  88     {
  89       this.gameRef.id = this.$route.params["id"];
  90       this.gameRef.rid = this.$route.query["rid"];
  91       this.loadGame();
  92     }
  93     // TODO: how to know who is observing ? Send message to everyone with game ID ?
  94     // and then just listen to (dis)connect events
  95     // server always send "connect on " + URL ; then add to observers if game...
  96     // detect multiple tabs connected (when connect ask server if my SID is already in use)
  97 // router when access a game page tell to server I joined + game ID (no need rid)
  98 // and ask server for current joined (= observers)
  99 // when send to chat (or a move), reach only this group (send gid along)
 100     // --> doivent être enregistrés comme observers au niveau du serveur...
 101     // non: poll users + events startObserving / stopObserving
 102     // (à faire au niveau du routeur ?)
 103
 104     // TODO: also handle "draw accepted" (use opponents array?)
 105     // --> must give this info also when sending lastState...
 106     // and, if all players agree then OK draw (end game ...etc)
 107     const socketMessageListener = msg => {
 108       const data = JSON.parse(msg.data);
 109       let L = undefined;
 110       switch (data.code)
 111       {
 112         case "newmove":
 113           // NOTE: next call will trigger processMove()
 114           this.$refs["basegame"].play(data.move,
 115             "receive", this.game.vname!="Dark" ? "animate" : null);
 116           break;
 117         case "pong": //received if we sent a ping (game still alive on our side)
 118           if (this.gameRef.id != data.gameId)
 119             break; //games IDs don't match: the game is definitely over...
 120           this.oppConnected = true;
 121           // Send our "last state" informations to opponent(s)
 122           L = this.vr.moves.length;
 123           Object.keys(this.opponents).forEach(oid => {
 124             this.st.conn.send(JSON.stringify({
 125               code: "lastate",
 126               oppid: oid,
 127               gameId: this.gameRef.id,
 128               lastMove: (L>0?this.vr.moves[L-1]:undefined),
 129               movesCount: L,
 130             }));
 131           });
 132           break;
 133         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves
 134         // TODO: need to send along clock state (my current time) with my last move
 135         case "lastate": //got opponent infos about last move
 136           L = this.vr.moves.length;
 137           if (this.gameRef.id != data.gameId)
 138             break; //games IDs don't match: nothing we can do...
 139           // OK, opponent still in game (which might be over)
 140           if (this.score != "*")
 141           {
 142             // We finished the game (any result possible)
 143             this.st.conn.send(JSON.stringify({
 144               code: "lastate",
 145               oppid: data.oppid,
 146               gameId: this.gameRef.id,
 147               score: this.score,
 148             }));
 149           }
 150           else if (!!data.score) //opponent finished the game
 151             this.endGame(data.score);
 152           else if (data.movesCount < L)
 153           {
 154             // We must tell last move to opponent
 155             this.st.conn.send(JSON.stringify({
 156               code: "lastate",
 157               oppid: this.opponent.id,
 158               gameId: this.gameRef.id,
 159               lastMove: this.vr.moves[L-1],
 160               movesCount: L,
 161             }));
 162           }
 163           else if (data.movesCount > L) //just got last move from him
 164             this.play(data.lastMove, "animate"); //TODO: wrong call (3 args)
 165           break;
 166         case "resign":
 167           this.$refs["basegame"].endGame(
 168             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 169           break;
 170         case "timeover":
 171           this.$refs["basegame"].endGame(
 172             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 173           break;
 174         case "abort":
 175           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 176           break;
 177         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 178           // ==> on "newmove", check "drawOffer" field
 179         // TODO: also use (dis)connect info to count online players?
 180         case "gameconnect":
 181         case "gamedisconnect":
 182           if (this.mode=="human")
 183           {
 184             const online = (data.code == "connect");
 185             // If this is an opponent ?
 186             if (!!this.opponents[data.id])
 187               this.opponents[data.id].online = online;
 188             else
 189             {
 190               // Or an observer ?
 191               if (!online)
 192                 delete this.people[data.id];
 193               else
 194                 this.people[data.id] = data.name;
 195             }
 196           }
 197           break;
 198       }
 199     };
 200     const socketCloseListener = () => {
 201       this.st.conn.addEventListener('message', socketMessageListener);
 202       this.st.conn.addEventListener('close', socketCloseListener);
 203     };
 204     this.st.conn.onmessage = socketMessageListener;
 205     this.st.conn.onclose = socketCloseListener;
 206   },
 207   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 208   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 209   methods: {
 210     offerDraw: function() {
 211       if (!confirm("Offer draw?"))
 212         return;
 213       // Stay in "draw offer sent" state until next move is played
 214       this.drawOfferSent = true;
 215       if (this.subMode == "corr")
 216       {
 217         // TODO: set drawOffer on in game (how ?)
 218       }
 219       else //live game
 220       {
 221         this.opponents.forEach(o => {
 222           if (!!o.online)
 223           {
 224             try {
 225               this.st.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 226             } catch (INVALID_STATE_ERR) {
 227               return;
 228             }
 229           }
 230         });
 231       }
 232     },
 233     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 234     receiveDrawOffer: function() {
 235       //if (...)
 236       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 237       // if accept: send message "draw"
 238     },
 239     abortGame: function(event) {
 240       if (!event)
 241       {
 242         // First call show options:
 243         let modalBox = document.getElementById("modalAbort");
 244         modalBox.checked = true;
 245       }
 246       else
 247       {
 248         console.log(event);
 249         return;
 250         //const message = event.
 251         // Next line will trigger a "gameover" event, bubbling up till here
 252         this.$refs["basegame"].endGame("?");
 253         this.game.players.forEach(p => {
 254           if (!!p.sid && p.sid != this.st.user.sid)
 255           {
 256             this.st.conn.send(JSON.stringify({
 257               code: "abort",
 258               msg: message,
 259               target: p.sid,
 260             }));
 261           }
 262         });
 263       }
 264     },
 265     resign: function(e) {
 266       if (!confirm("Resign the game?"))
 267         return;
 268       this.game.players.forEach(p => {
 269         if (!!p.sid && p.sid != this.st.user.sid)
 270         {
 271           this.st.conn.send(JSON.stringify({
 272             code: "resign",
 273             target: p.sid,
 274           }));
 275         }
 276       });
 277       // Next line will trigger a "gameover" event, bubbling up till here
 278       this.$refs["basegame"].endGame(this.game.mycolor=="w" ? "0-1" : "1-0");
 279     },
 280     // 3 cases for loading a game:
 281     //  - from indexedDB (running or completed live game I play)
 282     //  - from server (one correspondance game I play[ed] or not)
 283     //  - from remote peer (one live game I don't play, finished or not)
 284     loadGame: function(game) {
 285       const afterRetrieval = async (game) => {
 286         const vModule = await import("@/variants/" + game.vname + ".js");
 287         window.V = vModule.VariantRules;
 288         this.vr = new V(game.fenStart);
 289         this.game = Object.assign({},
 290           game,
 291           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 292           {mycolor: [undefined,"w","b"][1 + game.players.findIndex(
 293             p => p.sid == this.st.user.sid)]},
 294         );
 295       };
 296       if (!!game)
 297         return afterRetrival(game);
 298       if (!!this.gameRef.rid)
 299       {
 300         // TODO: just send a game request message to the remote player,
 301         // and when receiving answer just call loadGame(received_game)
 302         // + remote peer should have registered us as an observer
 303         // (send moves updates + resign/abort/draw actions)
 304         return;
 305       }
 306       else
 307       {
 308         GameStorage.get(this.gameRef.id, async (game) => {
 309           afterRetrieval(game);
 310         });
 311       }
 312 //    // Poll all players except me (if I'm playing) to know online status.
 313 //    // --> Send ping to server (answer pong if players[s] are connected)
 314 //    if (this.gameInfo.players.some(p => p.sid == this.st.user.sid))
 315 //    {
 316 //      this.game.players.forEach(p => {
 317 //        if (p.sid != this.st.user.sid)
 318 //          this.st.conn.send(JSON.stringify({code:"ping", oppid:p.sid}));
 319 //      });
 320 //    }
 321     },
 322     // TODO: refactor this old "oppConnected" logic
 323 //    oppConnected: function(uid) {
 324 //      return this.opponents.some(o => o.id == uid && o.online);
 325 //    },
 326     // Post-process a move (which was just played)
 327     processMove: function(move) {
 328       if (!this.game.mycolor)
 329         return; //I'm just an observer
 330       // Update storage (corr or live)
 331       const colorIdx = ["w","b","g","r"].indexOf(move.color);
 332       // https://stackoverflow.com/a/38750895
 333       const allowed_fields = ["appear", "vanish", "start", "end"];
 334       const filtered_move = Object.keys(move)
 335         .filter(key => allowed_fields.includes(key))
 336         .reduce((obj, key) => {
 337           obj[key] = move[key];
 338           return obj;
 339         }, {});
 340       // Send move ("newmove" event) to opponent(s) (if ours)
 341       let addTime = undefined;
 342       if (move.color == this.game.mycolor)
 343       {
 344         const elapsed = Date.now() - this.game.initime;
 345         // elapsed time is measured in milliseconds
 346         addTime = this.game.increment - elapsed/1000;
 347         this.game.players.forEach(p => {
 348           if (p.sid != this.st.user.sid)
 349           {
 350             this.st.conn.send(JSON.stringify({
 351               code: "newmove",
 352               target: p.sid,
 353               move: Object.assign({}, filtered_move, {addTime: addTime}),
 354             }));
 355           }
 356         });
 357       }
 358       else
 359         addTime = move.addTime; //supposed transmitted
 360       const myTurnNow = (this.vr.turn == this.game.mycolor);
 361       GameStorage.update(this.gameRef.id,
 362       {
 363         colorIdx: colorIdx,
 364         move: filtered_move,
 365         fen: move.fen,
 366         addTime: addTime,
 367         initime: myTurnNow,
 368       });
 369       // Also update current game object:
 370       this.game.moves.push(move);
 371       this.game.fen = move.fen;
 372       this.game.clocks[colorIdx] += (!!addTime ? addTime : 0);
 373       this.game.initime = (myTurnNow ? Date.now() : undefined);
 374     },
 375     // TODO: this update function should also work for corr games
 376     gameOver: function(score) {
 377       this.game.mode = "analyze";
 378       GameStorage.update(this.gameRef.id,
 379       {
 380         score: score,
 381       });
 382     },
 383   },
 384 };
 385 </script>