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: show players names + clocks state
  15     div Time: {{ virtualClocks[0] }} - {{ virtualClocks[1] }}
  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: [0, 0], //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   watch: {
  54     '$route' (to, from) {
  55       if (!!to.params["id"])
  56       {
  57         this.gameRef.id = to.params["id"];
  58         this.gameRef.rid = to.query["rid"];
  59         this.loadGame();
  60       }
  61     },
  62     "game.clocks": function(newState) {
  63       this.virtualClocks = newState.map(s => ppt(s));
  64       const currentTurn = this.vr.turn;
  65       const colorIdx = ["w","b","g","r"].indexOf(currentTurn);
  66       let countdown = newState[colorIdx] -
  67         (Date.now() - this.game.initime[colorIdx])/1000;
  68       const myTurn = (currentTurn == this.game.mycolor);
  69
  70 console.log(this.vr.turn + " " + currentTurn + " " + this.vr.getFen());
  71
  72       let clockUpdate = setInterval(() => {
  73
  74
  75
  76
  77 console.log(countdown);
  78         console.log(this.vr.turn +" " + currentTurn + " " + this.vr.getFen());
  79
  80 // TODO: incoherent state because vr is altered in BaseGame to replay game
  81         // ==> should use a temporary vr ?
  82
  83
  84
  85         if (countdown <= 0 || this.vr.turn != currentTurn)
  86         {
  87           clearInterval(clockUpdate);
  88           if (countdown <= 0 && myTurn)
  89           {
  90             this.$refs["basegame"].endGame(
  91               this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
  92             this.game.players.forEach(p => {
  93               if (p.sid != this.st.user.sid)
  94               {
  95                 this.st.conn.send(JSON.stringify({
  96                   code: "timeover",
  97                   target: p.sid,
  98                 }));
  99               }
 100             });
 101           }
 102         }
 103         // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
 104         this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
 105       }, 1000);
 106     },
 107   },
 108   created: function() {
 109     if (!!this.$route.params["id"])
 110     {
 111       this.gameRef.id = this.$route.params["id"];
 112       this.gameRef.rid = this.$route.query["rid"];
 113       this.loadGame();
 114     }
 115     // TODO: how to know who is observing ? Send message to everyone with game ID ?
 116     // and then just listen to (dis)connect events
 117     // server always send "connect on " + URL ; then add to observers if game...
 118     // detect multiple tabs connected (when connect ask server if my SID is already in use)
 119 // router when access a game page tell to server I joined + game ID (no need rid)
 120 // and ask server for current joined (= observers)
 121 // when send to chat (or a move), reach only this group (send gid along)
 122     // --> doivent être enregistrés comme observers au niveau du serveur...
 123     // non: poll users + events startObserving / stopObserving
 124     // (à faire au niveau du routeur ?)
 125
 126     // TODO: also handle "draw accepted" (use opponents array?)
 127     // --> must give this info also when sending lastState...
 128     // and, if all players agree then OK draw (end game ...etc)
 129     const socketMessageListener = msg => {
 130       const data = JSON.parse(msg.data);
 131       let L = undefined;
 132       switch (data.code)
 133       {
 134         case "newmove":
 135           // NOTE: next call will trigger processMove()
 136           this.$refs["basegame"].play(data.move,
 137             "receive", this.game.vname!="Dark" ? "animate" : null);
 138           break;
 139         case "pong": //received if we sent a ping (game still alive on our side)
 140           if (this.gameRef.id != data.gameId)
 141             break; //games IDs don't match: the game is definitely over...
 142           this.oppConnected = true;
 143           // Send our "last state" informations to opponent(s)
 144           L = this.vr.moves.length;
 145           Object.keys(this.opponents).forEach(oid => {
 146             this.st.conn.send(JSON.stringify({
 147               code: "lastate",
 148               oppid: oid,
 149               gameId: this.gameRef.id,
 150               lastMove: (L>0?this.vr.moves[L-1]:undefined),
 151               movesCount: L,
 152             }));
 153           });
 154           break;
 155         // TODO: refactor this, because at 3 or 4 players we may have missed 2 or 3 moves
 156         // TODO: need to send along clock state (my current time) with my last move
 157         case "lastate": //got opponent infos about last move
 158           L = this.vr.moves.length;
 159           if (this.gameRef.id != data.gameId)
 160             break; //games IDs don't match: nothing we can do...
 161           // OK, opponent still in game (which might be over)
 162           if (this.score != "*")
 163           {
 164             // We finished the game (any result possible)
 165             this.st.conn.send(JSON.stringify({
 166               code: "lastate",
 167               oppid: data.oppid,
 168               gameId: this.gameRef.id,
 169               score: this.score,
 170             }));
 171           }
 172           else if (!!data.score) //opponent finished the game
 173             this.endGame(data.score);
 174           else if (data.movesCount < L)
 175           {
 176             // We must tell last move to opponent
 177             this.st.conn.send(JSON.stringify({
 178               code: "lastate",
 179               oppid: this.opponent.id,
 180               gameId: this.gameRef.id,
 181               lastMove: this.vr.moves[L-1],
 182               movesCount: L,
 183             }));
 184           }
 185           else if (data.movesCount > L) //just got last move from him
 186             this.play(data.lastMove, "animate"); //TODO: wrong call (3 args)
 187           break;
 188         case "resign":
 189           this.$refs["basegame"].endGame(
 190             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 191           break;
 192         case "timeover":
 193           this.$refs["basegame"].endGame(
 194             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 195           break;
 196         case "abort":
 197           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 198           break;
 199         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 200           // ==> on "newmove", check "drawOffer" field
 201         // TODO: also use (dis)connect info to count online players?
 202         case "gameconnect":
 203         case "gamedisconnect":
 204           if (this.mode=="human")
 205           {
 206             const online = (data.code == "connect");
 207             // If this is an opponent ?
 208             if (!!this.opponents[data.id])
 209               this.opponents[data.id].online = online;
 210             else
 211             {
 212               // Or an observer ?
 213               if (!online)
 214                 delete this.people[data.id];
 215               else
 216                 this.people[data.id] = data.name;
 217             }
 218           }
 219           break;
 220       }
 221     };
 222     const socketCloseListener = () => {
 223       this.st.conn.addEventListener('message', socketMessageListener);
 224       this.st.conn.addEventListener('close', socketCloseListener);
 225     };
 226     this.st.conn.onmessage = socketMessageListener;
 227     this.st.conn.onclose = socketCloseListener;
 228   },
 229   // dans variant.js (plutôt room.js) conn gère aussi les challenges
 230   // et les chats dans chat.js. Puis en webRTC, repenser tout ça.
 231   methods: {
 232     offerDraw: function() {
 233       if (!confirm("Offer draw?"))
 234         return;
 235       // Stay in "draw offer sent" state until next move is played
 236       this.drawOfferSent = true;
 237       if (this.subMode == "corr")
 238       {
 239         // TODO: set drawOffer on in game (how ?)
 240       }
 241       else //live game
 242       {
 243         this.opponents.forEach(o => {
 244           if (!!o.online)
 245           {
 246             try {
 247               this.st.conn.send(JSON.stringify({code: "draw", oppid: o.id}));
 248             } catch (INVALID_STATE_ERR) {
 249               return;
 250             }
 251           }
 252         });
 253       }
 254     },
 255     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 256     receiveDrawOffer: function() {
 257       //if (...)
 258       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 259       // if accept: send message "draw"
 260     },
 261     abortGame: function(event) {
 262       if (!event)
 263       {
 264         // First call show options:
 265         let modalBox = document.getElementById("modalAbort");
 266         modalBox.checked = true;
 267       }
 268       else
 269       {
 270         console.log(event);
 271         return;
 272         //const message = event.
 273         // Next line will trigger a "gameover" event, bubbling up till here
 274         this.$refs["basegame"].endGame("?", "Abort: " + event.msg); //TODO
 275         this.game.players.forEach(p => {
 276           if (!!p.sid && p.sid != this.st.user.sid)
 277           {
 278             this.st.conn.send(JSON.stringify({
 279               code: "abort",
 280               msg: message,
 281               target: p.sid,
 282             }));
 283           }
 284         });
 285       }
 286     },
 287     resign: function(e) {
 288       if (!confirm("Resign the game?"))
 289         return;
 290       this.game.players.forEach(p => {
 291         if (!!p.sid && p.sid != this.st.user.sid)
 292         {
 293           this.st.conn.send(JSON.stringify({
 294             code: "resign",
 295             target: p.sid,
 296           }));
 297         }
 298       });
 299       // Next line will trigger a "gameover" event, bubbling up till here
 300       this.$refs["basegame"].endGame(
 301         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 302     },
 303     // 3 cases for loading a game:
 304     //  - from indexedDB (running or completed live game I play)
 305     //  - from server (one correspondance game I play[ed] or not)
 306     //  - from remote peer (one live game I don't play, finished or not)
 307     loadGame: function(game) {
 308       const afterRetrieval = async (game) => {
 309         const vModule = await import("@/variants/" + game.vname + ".js");
 310         window.V = vModule.VariantRules;
 311         this.vr = new V(game.fen);
 312         this.game = Object.assign({},
 313           game,
 314           // NOTE: assign mycolor here, since BaseGame could also bs VS computer
 315           {mycolor: [undefined,"w","b"][1 + game.players.findIndex(
 316             p => p.sid == this.st.user.sid)]},
 317         );
 318       };
 319       if (!!game)
 320         return afterRetrival(game);
 321       if (!!this.gameRef.rid)
 322       {
 323         // TODO: just send a game request message to the remote player,
 324         // and when receiving answer just call loadGame(received_game)
 325         // + remote peer should have registered us as an observer
 326         // (send moves updates + resign/abort/draw actions)
 327         return;
 328       }
 329       else
 330       {
 331         GameStorage.get(this.gameRef.id, async (game) => {
 332           afterRetrieval(game);
 333         });
 334       }
 335 //    // Poll all players except me (if I'm playing) to know online status.
 336 //    // --> Send ping to server (answer pong if players[s] are connected)
 337 //    if (this.gameInfo.players.some(p => p.sid == this.st.user.sid))
 338 //    {
 339 //      this.game.players.forEach(p => {
 340 //        if (p.sid != this.st.user.sid)
 341 //          this.st.conn.send(JSON.stringify({code:"ping", oppid:p.sid}));
 342 //      });
 343 //    }
 344     },
 345     // TODO: refactor this old "oppConnected" logic
 346 //    oppConnected: function(uid) {
 347 //      return this.opponents.some(o => o.id == uid && o.online);
 348 //    },
 349     // Post-process a move (which was just played)
 350     processMove: function(move) {
 351       if (!this.game.mycolor)
 352         return; //I'm just an observer
 353       // Update storage (corr or live)
 354       const colorIdx = ["w","b","g","r"].indexOf(move.color);
 355       // https://stackoverflow.com/a/38750895
 356       const allowed_fields = ["appear", "vanish", "start", "end"];
 357       const filtered_move = Object.keys(move)
 358         .filter(key => allowed_fields.includes(key))
 359         .reduce((obj, key) => {
 360           obj[key] = move[key];
 361           return obj;
 362         }, {});
 363       // Send move ("newmove" event) to opponent(s) (if ours)
 364       let addTime = undefined;
 365       if (move.color == this.game.mycolor)
 366       {
 367         const elapsed = Date.now() - this.game.initime[colorIdx];
 368         // elapsed time is measured in milliseconds
 369         addTime = this.game.increment - elapsed/1000;
 370         this.game.players.forEach(p => {
 371           if (p.sid != this.st.user.sid)
 372           {
 373             this.st.conn.send(JSON.stringify({
 374               code: "newmove",
 375               target: p.sid,
 376               move: Object.assign({}, filtered_move, {addTime: addTime}),
 377             }));
 378           }
 379         });
 380       }
 381       else
 382         addTime = move.addTime; //supposed transmitted
 383       const nextIdx = ["w","b","g","r"].indexOf(this.vr.turn);
 384       GameStorage.update(this.gameRef.id,
 385       {
 386         colorIdx: colorIdx,
 387         nextIdx: nextIdx,
 388         move: filtered_move,
 389         fen: move.fen,
 390         addTime: addTime,
 391       });
 392       // Also update current game object:
 393       this.game.moves.push(move);
 394       this.game.fen = move.fen;
 395       this.game.clocks[colorIdx] += (!!addTime ? addTime : 0);
 396       this.game.initime[nextIdx] = Date.now();
 397     },
 398     // TODO: this update function should also work for corr games
 399     gameOver: function(score) {
 400       this.game.mode = "analyze";
 401       GameStorage.update(this.gameRef.id,
 402       {
 403         score: score,
 404       });
 405     },
 406   },
 407 };
 408 </script>