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: also show players names
  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 <!--
  26 // TODO: movelist dans basegame et chat ici
  27 // ==> après, implémenter/vérifier les passages de challenges + parties en cours
  28 // observer,
  29 // + problèmes, habiller et publier. (+ corr...)
  30 // when send to chat (or a move), reach only this group (send gid along)
  31 -->
  32
  33 <script>
  34 import BaseGame from "@/components/BaseGame.vue";
  35 //import Chat from "@/components/Chat.vue";
  36 //import MoveList from "@/components/MoveList.vue";
  37 import { store } from "@/store";
  38 import { GameStorage } from "@/utils/gameStorage";
  39 import { ppt } from "@/utils/datetime";
  40 import { extractTime } from "@/utils/timeControl";
  41
  42 export default {
  43   name: 'my-game',
  44   components: {
  45     BaseGame,
  46   },
  47   // gameRef: to find the game in (potentially remote) storage
  48   data: function() {
  49     return {
  50       st: store.state,
  51       gameRef: { //given in URL (rid = remote ID)
  52         id: "",
  53         rid: ""
  54       },
  55       game: {}, //passed to BaseGame
  56       corrMsg: "", //to send offline messages in corr games
  57       virtualClocks: [0, 0], //initialized with true game.clocks
  58       vr: null, //"variant rules" object initialized from FEN
  59       drawOffer: "", //TODO: use for button style
  60       people: [], //players + observers
  61     };
  62   },
  63   watch: {
  64     '$route' (to, from) {
  65       if (!!to.params["id"])
  66       {
  67         this.gameRef.id = to.params["id"];
  68         this.gameRef.rid = to.query["rid"];
  69         this.loadGame();
  70       }
  71     },
  72     "game.clocks": function(newState) {
  73       if (this.game.moves.length < 2)
  74       {
  75         // 1st move not completed yet: freeze time
  76         this.virtualClocks = newState.map(s => ppt(s));
  77         return;
  78       }
  79       const currentTurn = this.vr.turn;
  80       const colorIdx = ["w","b"].indexOf(currentTurn);
  81       let countdown = newState[colorIdx] -
  82         (Date.now() - this.game.initime[colorIdx])/1000;
  83       this.virtualClocks = [0,1].map(i => {
  84         const removeTime = i == colorIdx
  85           ? (Date.now() - this.game.initime[colorIdx])/1000
  86           : 0;
  87         return ppt(newState[i] - removeTime);
  88       });
  89       const myTurn = (currentTurn == this.game.mycolor);
  90       let clockUpdate = setInterval(() => {
  91         if (countdown <= 0 || this.vr.turn != currentTurn || this.game.score != "*")
  92         {
  93           clearInterval(clockUpdate);
  94           if (countdown <= 0 && myTurn)
  95           {
  96             this.$refs["basegame"].endGame(
  97               this.game.mycolor=="w" ? "0-1" : "1-0", "Time");
  98             this.st.conn.send(JSON.stringify({
  99               code: "timeover",
 100               target: this.game.oppid,
 101             }));
 102           }
 103         }
 104         else
 105         {
 106           // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
 107           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
 108         }
 109       }, 1000);
 110     },
 111     // In case variants array was't loaded when game was retrieved
 112     "st.variants": function(variantArray) {
 113       if (!!this.game.vname && this.game.vname == "")
 114         this.game.vname = variantArray.filter(v => v.id == this.game.vid)[0].name;
 115     },
 116   },
 117   computed: {
 118     oppConnected: function() {
 119       return this.people.indexOf(p => p.id == this.game.oppid) >= 0;
 120     },
 121   },
 122   created: function() {
 123     if (!!this.$route.params["id"])
 124     {
 125       this.gameRef.id = this.$route.params["id"];
 126       this.gameRef.rid = this.$route.query["rid"];
 127       this.loadGame();
 128     }
 129     // TODO: onopen, ask lastState informations + update observers and players status
 130     const socketCloseListener = () => {
 131       store.socketCloseListener(); //reinitialize connexion (in store.js)
 132       this.st.conn.addEventListener('message', this.socketMessageListener);
 133       this.st.conn.addEventListener('close', socketCloseListener);
 134     };
 135     this.st.conn.onmessage = this.socketMessageListener;
 136     this.st.conn.onclose = socketCloseListener;
 137   },
 138   methods: {
 139     socketMessageListener: function(msg) {
 140       const data = JSON.parse(msg.data);
 141       switch (data.code)
 142       {
 143         case "newmove":
 144           // NOTE: next call will trigger processMove()
 145           this.$refs["basegame"].play(data.move,
 146             "receive", this.game.vname!="Dark" ? "animate" : null);
 147           break;
 148         case "pong": //received if we sent a ping (game still alive on our side)
 149         {
 150           this.oppConnected = true;
 151           if (this.game.type == "live") //corr games are always complete
 152           {
 153             // Send our "last state" informations to opponent(s)
 154             const L = this.game.moves.length;
 155             this.st.conn.send(JSON.stringify({
 156               code: "lastate",
 157               target: this.game.oppid,
 158               gameId: this.gameRef.id,
 159               lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 160               score: this.game.score,
 161               movesCount: L,
 162               drawOffer: this.drawOffer,
 163               clocks: this.game.clocks,
 164             }));
 165           }
 166           break;
 167         }
 168         case "lastate": //got opponent infos about last move
 169         {
 170           const L = this.game.moves.length;
 171           if (this.gameRef.id != data.gameId)
 172             break; //games IDs don't match: nothing we can do...
 173           // OK, opponent still in game (which might be over)
 174           if (data.movesCount > L)
 175           {
 176             // Just got last move from him
 177             this.$refs["basegame"].play(data.lastMove, "receive");
 178             if (data.score != "*" && this.game.score == "*")
 179             {
 180               // Opponent resigned or aborted game, or accepted draw offer
 181               // (this is not a stalemate or checkmate)
 182               this.$refs["basegame"].endGame(data.score, "Opponent action");
 183             }
 184             this.game.clocks = data.clocks;
 185             this.drawOffer = data.drawOffer;
 186           }
 187           else if (data.movesCount < L)
 188           {
 189             // We must tell last move to opponent
 190             this.st.conn.send(JSON.stringify({
 191               code: "lastate",
 192               target: this.game.oppid,
 193               gameId: this.gameRef.id,
 194               lastMove: (L>0 ? this.game.moves[L-1] : undefined),
 195               score: this.game.score,
 196               movesCount: L,
 197               drawOffer: this.drawOffer,
 198               clocks: this.game.clocks,
 199             }));
 200           }
 201           break;
 202         }
 203         case "resign":
 204           this.$refs["basegame"].endGame(
 205             this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
 206           break;
 207         case "timeover":
 208           this.$refs["basegame"].endGame(
 209             this.game.mycolor=="w" ? "1-0" : "0-1", "Time");
 210           break;
 211         case "abort":
 212           this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
 213           break;
 214         case "draw":
 215           this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 216           break;
 217         case "drawoffer":
 218           this.drawOffer = "received";
 219           break;
 220         case "askfullgame":
 221           // TODO: just give game; observers are listed here anyway:
 222           // gameconnect?
 223           break;
 224         // TODO: drawaccepted (click draw button before sending move ==> draw offer in move)
 225           // ==> on "newmove", check "drawOffer" field
 226         // TODO: also use (dis)connect info to count online players?
 227         case "gameconnect":
 228         case "gamedisconnect":
 229           const online = (data.code == "gameconnect");
 230           // If this is an opponent ?
 231           if (this.game.oppid == data.id)
 232             this.oppConnected = true;
 233           else
 234           {
 235             // Or an observer ?
 236             if (!online)
 237               delete this.people[data.id];
 238             else
 239               this.people[data.id] = data.name;
 240           }
 241           break;
 242       }
 243     },
 244     offerDraw: function() {
 245       // TODO: also for corr games
 246       if (this.drawOffer == "received")
 247       {
 248         if (!confirm("Accept draw?"))
 249           return;
 250         this.st.conn.send(JSON.stringify({code:"draw", target:this.game.oppid}));
 251         this.$refs["basegame"].endGame("1/2", "Mutual agreement");
 252       }
 253       else if (this.drawOffer == "sent")
 254         this.drawOffer = "";
 255       else
 256       {
 257         if (!confirm("Offer draw?"))
 258           return;
 259         this.st.conn.send(JSON.stringify({code:"drawoffer", target:this.game.oppid}));
 260       }
 261     },
 262     // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
 263     receiveDrawOffer: function() {
 264       //if (...)
 265       // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
 266       // if accept: send message "draw"
 267     },
 268     abortGame: function(event) {
 269       let modalBox = document.getElementById("modalAbort");
 270       if (!event)
 271       {
 272         // First call show options:
 273         modalBox.checked = true;
 274       }
 275       else
 276       {
 277         modalBox.checked = false; //decision made: box disappear
 278         const message = event.target.innerText;
 279         // Next line will trigger a "gameover" event, bubbling up till here
 280         this.$refs["basegame"].endGame("?", "Abort: " + message);
 281         this.st.conn.send(JSON.stringify({
 282           code: "abort",
 283           msg: message,
 284           target: this.game.oppid,
 285         }));
 286       }
 287     },
 288     resign: function(e) {
 289       if (!confirm("Resign the game?"))
 290         return;
 291       this.st.conn.send(JSON.stringify({
 292         code: "resign",
 293         target: this.game.oppid,
 294       }));
 295       // Next line will trigger a "gameover" event, bubbling up till here
 296       this.$refs["basegame"].endGame(
 297         this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
 298     },
 299     // 3 cases for loading a game:
 300     //  - from indexedDB (running or completed live game I play)
 301     //  - from server (one correspondance game I play[ed] or not)
 302     //  - from remote peer (one live game I don't play, finished or not)
 303     loadGame: function(game) {
 304       const afterRetrieval = async (game) => {
 305         // NOTE: variants array might not be available yet, thus the two next lines
 306         const variantCell = this.st.variants.filter(v => v.id == game.vid);
 307         const vname = (variantCell.length > 0 ? variantCell[0].name : "");
 308         if (!game.fen)
 309           game.fen = game.fenStart; //game wasn't started
 310         const gtype = (game.timeControl.indexOf('d') >= 0 ? "corr" : "live");
 311         const tc = extractTime(game.timeControl);
 312         if (gtype == "corr")
 313         {
 314           // corr game: needs to compute the clocks + initime
 315           game.clocks = [tc.mainTime, tc.mainTime];
 316           game.initime = [0, 0];
 317           let addTime = [0, 0];
 318           for (let i=2; i<game.moves.length; i++)
 319           {
 320             addTime[i%2] += tc.increment -
 321               (game.moves[i].played - game.moves[i-1].played);
 322           }
 323           for (let i=0; i<=1; i++)
 324             game.clocks[i] += addTime[i];
 325           const L = game.moves.length;
 326           game.initime[L%2] = game.moves[L-1].played;
 327         }
 328         // TODO: this is not really beautiful (uid on corr players...)
 329         if (gtype == "corr" && game.players[0].color == "b")
 330           [ game.players[0], game.players[1] ] = [ game.players[1], game.players[0] ];
 331         const myIdx = game.players.findIndex(p => {
 332           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
 333         });
 334         if (gtype == "live" && game.clocks[0] < 0) //game unstarted
 335         {
 336           game.clocks = [tc.mainTime, tc.mainTime];
 337           game.initime[0] = Date.now();
 338           if (myIdx >= 0)
 339           {
 340             // I play in this live game; corr games don't have clocks+initime
 341             GameStorage.update(game.id,
 342             {
 343               clocks: game.clocks,
 344               initime: game.initime,
 345             });
 346           }
 347         }
 348         const vModule = await import("@/variants/" + vname + ".js");
 349         window.V = vModule.VariantRules;
 350         this.vr = new V(game.fen);
 351
 352
 353
 354 //TODO: people, on connect, search for opponent.......
 355 console.log(myIdx + " " + game.players[1-myIdx].sid); //otherwise this is undefined:
 356
 357
 358
 359         this.game = Object.assign({},
 360           game,
 361           // NOTE: assign mycolor here, since BaseGame could also be VS computer
 362           {
 363             type: gtype,
 364             increment: tc.increment,
 365             vname: vname,
 366             mycolor: [undefined,"w","b"][myIdx+1],
 367             // opponent sid not strictly required, but easier
 368             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].sid),
 369           }
 370         );
 371         if (!!this.game.oppid)
 372         {
 373           // Send ping to server (answer pong if players[s] are connected)
 374           this.st.conn.send(JSON.stringify({code:"ping", target:this.game.oppid}));
 375         }
 376       };
 377       if (!!game)
 378         return afterRetrival(game);
 379       if (!!this.gameRef.rid)
 380       {
 381         this.st.conn.send(JSON.stringify({code:"askfullgame", target:this.gameRef.rid}));
 382         // TODO: just send a game request message to the remote player,
 383         // and when receiving answer just call loadGame(received_game)
 384         // + remote peer should have registered us as an observer
 385         // (send moves updates + resign/abort/draw actions)
 386       }
 387       else
 388       {
 389         GameStorage.get(this.gameRef.id, async (game) => {
 390           afterRetrieval(game);
 391         });
 392       }
 393     },
 394     // Post-process a move (which was just played)
 395     processMove: function(move) {
 396       if (!this.game.mycolor)
 397         return; //I'm just an observer
 398       // Update storage (corr or live)
 399       const colorIdx = ["w","b"].indexOf(move.color);
 400       // https://stackoverflow.com/a/38750895
 401       const allowed_fields = ["appear", "vanish", "start", "end"];
 402       const filtered_move = Object.keys(move)
 403         .filter(key => allowed_fields.includes(key))
 404         .reduce((obj, key) => {
 405           obj[key] = move[key];
 406           return obj;
 407         }, {});
 408       // Send move ("newmove" event) to opponent(s) (if ours)
 409       let addTime = 0;
 410       if (move.color == this.game.mycolor)
 411       {
 412         if (this.game.moves.length >= 2) //after first move
 413         {
 414           const elapsed = Date.now() - this.game.initime[colorIdx];
 415           // elapsed time is measured in milliseconds
 416           addTime = this.game.increment - elapsed/1000;
 417         }
 418         this.st.conn.send(JSON.stringify({
 419           code: "newmove",
 420           target: this.game.oppid,
 421           move: Object.assign({}, filtered_move, {addTime: addTime}),
 422         }));
 423       }
 424       else
 425         addTime = move.addTime; //supposed transmitted
 426       const nextIdx = ["w","b"].indexOf(this.vr.turn);
 427       GameStorage.update(this.gameRef.id,
 428       {
 429         move: filtered_move,
 430         fen: move.fen,
 431         clocks: this.game.clocks.map((t,i) => i==colorIdx
 432           ? this.game.clocks[i] + addTime
 433           : this.game.clocks[i]),
 434         initime: this.game.initime.map((t,i) => i==nextIdx
 435           ? Date.now()
 436           : this.game.initime[i]),
 437       });
 438       // Also update current game object:
 439       this.game.moves.push(move);
 440       this.game.fen = move.fen;
 441       //TODO: just this.game.clocks[colorIdx] += addTime;
 442       this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
 443       this.game.initime[nextIdx] = Date.now();
 444     },
 445     // TODO: this update function should also work for corr games
 446     gameOver: function(score) {
 447       this.game.mode = "analyze";
 448       this.game.score = score;
 449       GameStorage.update(this.gameRef.id, { score: score });
 450     },
 451   },
 452 };
 453 </script>
 454
 455 <style lang="sass">
 456 // TODO
 457 </style>