client/src/components/BaseGame.vue

   1 <template lang="pug">
   2 div#baseGame
   3   input#modalEog.modal(type="checkbox")
   4   div#eogDiv(
   5     role="dialog"
   6     data-checkbox="modalEog"
   7   )
   8     .card.text-center
   9       label.modal-close(for="modalEog")
  10       h3.section {{ endgameMessage }}
  11   #gameContainer
  12     #boardContainer
  13       Board(
  14         ref="board"
  15         :vr="vr"
  16         :last-move="lastMove"
  17         :analyze="mode=='analyze'"
  18         :score="game.score"
  19         :user-color="game.mycolor"
  20         :orientation="orientation"
  21         :vname="game.vname"
  22         :incheck="incheck"
  23         @play-move="play"
  24         @click-square="clickSquare"
  25       )
  26       #turnIndicator(v-if="showTurn") {{ turn }}
  27       #controls.button-group
  28         button(@click="gotoBegin()")
  29           img.inline(src="/images/icons/fast-forward_rev.svg")
  30         button(@click="undo()")
  31           img.inline(src="/images/icons/play_rev.svg")
  32         button(v-if="canFlip" @click="flip()")
  33           img.inline(src="/images/icons/flip.svg")
  34         button(
  35           @click="runAutoplay()"
  36           :class="{'in-autoplay': autoplay}"
  37         )
  38           img.inline(src="/images/icons/autoplay.svg")
  39         button(@click="play()")
  40           img.inline(src="/images/icons/play.svg")
  41         button(@click="gotoEnd()")
  42           img.inline(src="/images/icons/fast-forward.svg")
  43       p(v-show="showFen") {{ (!!vr ? vr.getFen() : "") }}
  44     #movesList
  45       MoveList(
  46         :show="showMoves"
  47         :canAnalyze="canAnalyze"
  48         :canDownload="allowDownloadPGN"
  49         :score="game.score"
  50         :message="game.scoreMsg"
  51         :firstNum="firstMoveNumber"
  52         :moves="moves"
  53         :cursor="cursor"
  54         @download="download"
  55         @showrules="showRules"
  56         @analyze="toggleAnalyze"
  57         @goto-move="gotoMove"
  58         @reset-arrows="resetArrows"
  59       )
  60     .clearer
  61 </template>
  62
  63 <script>
  64 import Board from "@/components/Board.vue";
  65 import MoveList from "@/components/MoveList.vue";
  66 import params from "@/parameters";
  67 import { store } from "@/store";
  68 import { getSquareId } from "@/utils/squareId";
  69 import { getDate } from "@/utils/datetime";
  70 import { processModalClick } from "@/utils/modalClick";
  71 import { getScoreMessage } from "@/utils/scoring";
  72 import { getFullNotation } from "@/utils/notation";
  73 import { undoMove } from "@/utils/playUndo";
  74 export default {
  75   name: "my-base-game",
  76   components: {
  77     Board,
  78     MoveList
  79   },
  80   props: ["game"],
  81   data: function() {
  82     return {
  83       st: store.state,
  84       // NOTE: all following variables must be reset at the beginning of a game
  85       vr: null, //VariantRules object, game state
  86       endgameMessage: "",
  87       orientation: "w",
  88       mode: "",
  89       score: "*", //'*' means 'unfinished'
  90       moves: [],
  91       cursor: -1, //index of the move just played
  92       lastMove: null,
  93       firstMoveNumber: 0, //for printing
  94       incheck: [], //for Board
  95       inMultimove: false,
  96       autoplay: false,
  97       autoplayLoop: null,
  98       inPlay: false,
  99       stackToPlay: []
 100     };
 101   },
 102   computed: {
 103     turn: function() {
 104       if (!this.vr) return "";
 105       if (this.vr.showMoves != "all") {
 106         return this.st.tr[
 107           (this.vr.turn == 'w' ? "White" : "Black") + " to move"];
 108       }
 109       // Cannot flip: racing king or circular chess
 110       return (
 111         this.vr.movesCount == 0 && this.game.mycolor == "w"
 112           ? this.st.tr["It's your turn!"]
 113           : ""
 114       );
 115     },
 116     showFen: function() {
 117       return (
 118         this.mode == "analyze" &&
 119         this.$router.currentRoute.path.indexOf("/analyse") === -1
 120       );
 121     },
 122     // TODO: is it OK to pass "computed" as properties?
 123     // Also, some are seemingly not recomputed when vr is initialized.
 124     showMoves: function() {
 125       return this.game.score != "*"
 126         ? "all"
 127         : (!!this.vr ? this.vr.showMoves : "none");
 128     },
 129     showTurn: function() {
 130       return (
 131         this.game.score == '*' &&
 132         !!this.vr && (this.vr.showMoves != "all" || !this.vr.canFlip)
 133       );
 134     },
 135     canAnalyze: function() {
 136       return (
 137         this.game.mode != "analyze" &&
 138         !!this.vr && this.vr.canAnalyze
 139       );
 140     },
 141     canFlip: function() {
 142       return !!this.vr && this.vr.canFlip;
 143     },
 144     allowDownloadPGN: function() {
 145       return (
 146         this.game.score != "*" ||
 147         (!!this.vr && this.vr.showMoves == "all")
 148       );
 149     }
 150   },
 151   created: function() {
 152     if (!!this.game.fenStart) this.re_setVariables();
 153   },
 154   mounted: function() {
 155     if (!("ontouchstart" in window)) {
 156       // Desktop browser:
 157       const baseGameDiv = document.getElementById("baseGame");
 158       baseGameDiv.tabIndex = 0;
 159       baseGameDiv.addEventListener("click", this.focusBg);
 160       baseGameDiv.addEventListener("keydown", this.handleKeys);
 161       baseGameDiv.addEventListener("wheel", this.handleScroll);
 162     }
 163     document.getElementById("eogDiv")
 164       .addEventListener("click", processModalClick);
 165   },
 166   beforeDestroy: function() {
 167     if (!!this.autoplayLoop) clearInterval(this.autoplayLoop);
 168   },
 169   methods: {
 170     focusBg: function() {
 171       document.getElementById("baseGame").focus();
 172     },
 173     handleKeys: function(e) {
 174       if ([32, 37, 38, 39, 40].includes(e.keyCode)) e.preventDefault();
 175       switch (e.keyCode) {
 176         case 37:
 177           this.undo();
 178           break;
 179         case 39:
 180           this.play();
 181           break;
 182         case 38:
 183           this.gotoBegin();
 184           break;
 185         case 40:
 186           this.gotoEnd();
 187           break;
 188         case 32:
 189           this.flip();
 190           break;
 191       }
 192     },
 193     handleScroll: function(e) {
 194       e.preventDefault();
 195       if (e.deltaY < 0) this.undo();
 196       else if (e.deltaY > 0) this.play();
 197     },
 198     resetArrows: function() {
 199       // TODO: make arrows scale with board, and remove this
 200       this.$refs["board"].cancelResetArrows();
 201     },
 202     showRules: function() {
 203       // The button is here only on Game page:
 204       document.getElementById("modalRules").checked = true;
 205     },
 206     re_setVariables: function(game) {
 207       if (!game) game = this.game; //in case of...
 208       this.endgameMessage = "";
 209       // "w": default orientation for observed games
 210       this.orientation = game.mycolor || "w";
 211       this.mode = game.mode || game.type; //TODO: merge...
 212       this.moves = JSON.parse(JSON.stringify(game.moves || []));
 213       // Post-processing: decorate each move with notation and FEN
 214       this.vr = new V(game.fenStart);
 215       const parsedFen = V.ParseFen(game.fenStart);
 216       const firstMoveColor = parsedFen.turn;
 217       this.firstMoveNumber = Math.floor(parsedFen.movesCount / 2) + 1;
 218       let L = this.moves.length;
 219       this.moves.forEach((move,idx) => {
 220         // Strategy working also for multi-moves:
 221         if (!Array.isArray(move)) move = [move];
 222         const Lm = move.length;
 223         move.forEach((m,idxM) => {
 224           m.notation = this.vr.getNotation(m);
 225           m.unambiguous = V.GetUnambiguousNotation(m);
 226           this.vr.play(m);
 227           const checkSquares = this.vr.getCheckSquares();
 228           if (checkSquares.length > 0) m.notation += "+";
 229           if (idxM == Lm - 1) m.fen = this.vr.getFen();
 230           if (idx == L - 1 && idxM == Lm - 1) {
 231             this.incheck = checkSquares;
 232             const score = this.vr.getCurrentScore();
 233             if (["1-0", "0-1"].includes(score)) m.notation += "#";
 234           }
 235         });
 236       });
 237       if (firstMoveColor == "b") {
 238         // 'start' & 'end' is required for Board component
 239         this.moves.unshift({
 240           notation: "...",
 241           unambiguous: "...",
 242           start: { x: -1, y: -1 },
 243           end: { x: -1, y: -1 },
 244           fen: game.fenStart
 245         });
 246         L++;
 247       }
 248       this.positionCursorTo(L - 1);
 249     },
 250     positionCursorTo: function(index) {
 251       this.cursor = index;
 252       // Note: last move in moves array might be a multi-move
 253       if (index >= 0) this.lastMove = this.moves[index];
 254       else this.lastMove = null;
 255     },
 256     toggleAnalyze: function() {
 257       if (this.mode != "analyze") {
 258         // Enter analyze mode:
 259         this.gameMode = this.mode; //was not 'analyze'
 260         this.mode = "analyze";
 261         this.gameCursor = this.cursor;
 262         this.gameMoves = JSON.parse(JSON.stringify(this.moves));
 263         document.getElementById("analyzeBtn").classList.add("active");
 264       }
 265       else {
 266         // Exit analyze mode:
 267         this.mode = this.gameMode ;
 268         this.cursor = this.gameCursor;
 269         this.moves = this.gameMoves;
 270         let fen = this.game.fenStart;
 271         if (this.cursor >= 0) {
 272           let mv = this.moves[this.cursor];
 273           if (!Array.isArray(mv)) mv = [mv];
 274           fen = mv[mv.length-1].fen;
 275         }
 276         this.vr = new V(fen);
 277         this.incheck = this.vr.getCheckSquares();
 278         document.getElementById("analyzeBtn").classList.remove("active");
 279       }
 280     },
 281     download: function() {
 282       const content = this.getPgn();
 283       // Prepare and trigger download link
 284       let downloadAnchor = document.getElementById("download");
 285       downloadAnchor.setAttribute("download", "game.pgn");
 286       downloadAnchor.href =
 287         "data:text/plain;charset=utf-8," + encodeURIComponent(content);
 288       downloadAnchor.click();
 289     },
 290     getPgn: function() {
 291       let pgn = "";
 292       pgn += '[Site "vchess.club"]\n';
 293       pgn += '[Variant "' + this.game.vname + '"]\n';
 294       const gdt = getDate(new Date(this.game.created || Date.now()));
 295       pgn += '[Date "' + gdt + '"]\n';
 296       pgn += '[White "' + this.game.players[0].name + '"]\n';
 297       pgn += '[Black "' + this.game.players[1].name + '"]\n';
 298       pgn += '[Fen "' + this.game.fenStart + '"]\n';
 299       pgn += '[Result "' + this.game.score + '"]\n';
 300       if (!!this.game.id)
 301         pgn += '[Url "' + params.serverUrl + '/game/' + this.game.id + '"]\n';
 302       if (!!this.game.cadence)
 303         pgn += '[Cadence "' + this.game.cadence + '"]\n';
 304       pgn += '\n';
 305       for (let i = 0; i < this.moves.length; i += 2) {
 306         if (i > 0) pgn += " ";
 307         // Adjust dots notation for a better display:
 308         let fullNotation = getFullNotation(this.moves[i]);
 309         if (fullNotation == "...") fullNotation = "..";
 310         pgn += (i / 2 + this.firstMoveNumber) + "." + fullNotation;
 311         if (i+1 < this.moves.length)
 312           pgn += " " + getFullNotation(this.moves[i+1]);
 313       }
 314       pgn += "\n\n";
 315       for (let i = 0; i < this.moves.length; i += 2) {
 316         const moveNumber = i / 2 + this.firstMoveNumber;
 317         // Skip "dots move", useless for machine reading:
 318         if (this.moves[i].notation != "...") {
 319           pgn += moveNumber + ".w " +
 320             getFullNotation(this.moves[i], "unambiguous") + "\n";
 321         }
 322         if (i+1 < this.moves.length) {
 323           pgn += moveNumber + ".b " +
 324             getFullNotation(this.moves[i+1], "unambiguous") + "\n";
 325         }
 326       }
 327       return pgn;
 328     },
 329     showEndgameMsg: function(message) {
 330       this.endgameMessage = message;
 331       document.getElementById("modalEog").checked = true;
 332     },
 333     runAutoplay: function() {
 334       const infinitePlay = () => {
 335         if (this.cursor == this.moves.length - 1) {
 336           clearInterval(this.autoplayLoop);
 337           this.autoplayLoop = null;
 338           this.autoplay = false;
 339           return;
 340         }
 341         if (this.inPlay || this.inMultimove)
 342           // Wait next tick
 343           return;
 344         this.play();
 345       };
 346       if (this.autoplay) {
 347         this.autoplay = false;
 348         clearInterval(this.autoplayLoop);
 349         this.autoplayLoop = null;
 350       } else {
 351         this.autoplay = true;
 352         setTimeout(
 353           () => {
 354             infinitePlay();
 355             this.autoplayLoop = setInterval(infinitePlay, 1500);
 356           },
 357           // Small delay otherwise the first move is played too fast
 358           500
 359         );
 360       }
 361     },
 362     // Animate an elementary move
 363     animateMove: function(move, callback) {
 364       let startSquare = document.getElementById(getSquareId(move.start));
 365       if (!startSquare) return; //shouldn't happen but...
 366       let endSquare = document.getElementById(getSquareId(move.end));
 367       let rectStart = startSquare.getBoundingClientRect();
 368       let rectEnd = endSquare.getBoundingClientRect();
 369       let translation = {
 370         x: rectEnd.x - rectStart.x,
 371         y: rectEnd.y - rectStart.y
 372       };
 373       let movingPiece = document.querySelector(
 374         "#" + getSquareId(move.start) + " > img.piece"
 375       );
 376       // For some unknown reasons Opera get "movingPiece == null" error
 377       // TODO: is it calling 'animate()' twice ? One extra time ?
 378       if (!movingPiece) return;
 379       const squares = document.getElementsByClassName("board");
 380       for (let i = 0; i < squares.length; i++) {
 381         let square = squares.item(i);
 382         if (square.id != getSquareId(move.start))
 383           // HACK for animation:
 384           // (with positive translate, image slides "under background")
 385           square.style.zIndex = "-1";
 386       }
 387       movingPiece.style.transform =
 388         "translate(" + translation.x + "px," + translation.y + "px)";
 389       movingPiece.style.transitionDuration = "0.25s";
 390       movingPiece.style.zIndex = "3000";
 391       setTimeout(() => {
 392         for (let i = 0; i < squares.length; i++)
 393           squares.item(i).style.zIndex = "auto";
 394         movingPiece.style = {}; //required e.g. for 0-0 with KR swap
 395         callback();
 396       }, 250);
 397     },
 398     // For Analyse mode:
 399     emitFenIfAnalyze: function() {
 400       if (this.game.mode == "analyze") {
 401         let fen = this.game.fenStart;
 402         if (!!this.lastMove) {
 403           if (Array.isArray(this.lastMove)) {
 404             const L = this.lastMove.length;
 405             fen = this.lastMove[L-1].fen;
 406           }
 407           else fen = this.lastMove.fen;
 408         }
 409         this.$emit("fenchange", fen);
 410       }
 411     },
 412     clickSquare: function(square) {
 413       // Some variants make use of a single click at specific times:
 414       const move = this.vr.doClick(square);
 415       if (!!move) this.play(move);
 416     },
 417     // "light": if gotoMove() or gotoEnd()
 418     play: function(move, received, light, noemit) {
 419       // Freeze while choices are shown:
 420       if (this.$refs["board"].choices.length > 0) return;
 421       const navigate = !move;
 422       // Forbid playing outside analyze mode, except if move is received.
 423       // Sufficient condition because Board already knows which turn it is.
 424       if (
 425         this.mode != "analyze" &&
 426         !navigate &&
 427         !received &&
 428         (this.game.score != "*" || this.cursor < this.moves.length - 1)
 429       ) {
 430         return;
 431       }
 432       if (!!received) {
 433
 434         if (this.mode == "analyze") { console.log("received move");
 435           console.log(move); }
 436
 437         if (this.mode == "analyze") this.toggleAnalyze();
 438         if (this.cursor < this.moves.length - 1)
 439           // To play a received move, cursor must be at the end of the game:
 440           this.gotoEnd();
 441       }
 442       if (!!noemit) {
 443         if (this.inPlay) {
 444           // Received moves in observed games can arrive too fast:
 445           this.stackToPlay.unshift(move);
 446           return;
 447         }
 448         this.inPlay = true;
 449       }
 450       // The board may show some the possible moves: (TODO: bad solution)
 451       this.$refs["board"].resetCurrentAttempt();
 452       const playSubmove = (smove) => {
 453         smove.notation = this.vr.getNotation(smove);
 454         smove.unambiguous = V.GetUnambiguousNotation(smove);
 455         this.vr.play(smove);
 456         if (this.inMultimove && !!this.lastMove) {
 457           if (!Array.isArray(this.lastMove))
 458             this.lastMove = [this.lastMove, smove];
 459           else this.lastMove.push(smove);
 460         }
 461         // Is opponent (or me) in check?
 462         this.incheck = this.vr.getCheckSquares();
 463         if (this.incheck.length > 0) smove.notation += "+";
 464         if (!this.inMultimove) {
 465           // First sub-move:
 466           this.lastMove = smove;
 467           // Condition is "!navigate" but we mean "!this.autoplay"
 468           if (!navigate) {
 469             if (this.cursor < this.moves.length - 1)
 470               this.moves = this.moves.slice(0, this.cursor + 1);
 471             this.moves.push(smove);
 472           }
 473           this.inMultimove = true; //potentially
 474           this.cursor++;
 475         } else if (!navigate) {
 476           // Already in the middle of a multi-move
 477           const L = this.moves.length;
 478           if (!Array.isArray(this.moves[L-1]))
 479             this.$set(this.moves, L-1, [this.moves[L-1], smove]);
 480           else this.moves[L-1].push(smove);
 481         }
 482       };
 483       const playMove = () => {
 484         const animate = (
 485           ["all", "highlight"].includes(V.ShowMoves) &&
 486           (this.autoplay || !!received)
 487         );
 488         if (!Array.isArray(move)) move = [move];
 489         let moveIdx = 0;
 490         let self = this;
 491         const initurn = this.vr.turn;
 492         (function executeMove() {
 493           const smove = move[moveIdx++];
 494           // NOTE: condition "smove.start.x >= 0" required for Dynamo,
 495           // because second move may be empty.
 496           if (animate && smove.start.x >= 0) {
 497             self.animateMove(smove, () => {
 498               playSubmove(smove);
 499
 500 console.log(moveIdx + " " + move.length);
 501
 502               if (moveIdx < move.length)
 503                 setTimeout(executeMove, 500);
 504               else afterMove(smove, initurn);
 505             });
 506           } else {
 507             playSubmove(smove);
 508             if (moveIdx < move.length) executeMove();
 509             else afterMove(smove, initurn);
 510           }
 511         })();
 512       };
 513       const computeScore = () => {
 514         const score = this.vr.getCurrentScore();
 515         if (!navigate) {
 516           if (["1-0","0-1"].includes(score)) {
 517             if (Array.isArray(this.lastMove)) {
 518               const L = this.lastMove.length;
 519               this.lastMove[L - 1].notation += "#";
 520             }
 521             else this.lastMove.notation += "#";
 522           }
 523         }
 524         if (score != "*" && this.mode == "analyze") {
 525           const message = getScoreMessage(score);
 526           // Just show score on screen (allow undo)
 527           this.showEndgameMsg(score + " . " + this.st.tr[message]);
 528         }
 529         return score;
 530       };
 531       const afterMove = (smove, initurn) => {
 532         if (this.vr.turn != initurn) {
 533
 534 console.log(smove);
 535
 536           // Turn has changed: move is complete
 537           if (!smove.fen)
 538             // NOTE: only FEN of last sub-move is required (=> setting it here)
 539             smove.fen = this.vr.getFen();
 540           this.emitFenIfAnalyze();
 541           this.inMultimove = false;
 542           this.score = computeScore();
 543           if (this.mode != "analyze" && !navigate) {
 544             if (!noemit && this.mode != "analyze") {
 545               // Post-processing (e.g. computer play).
 546               const L = this.moves.length;
 547               // NOTE: always emit the score, even in unfinished,
 548               // to tell Game::processMove() that it's not a received move.
 549               this.$emit("newmove", this.moves[L-1], { score: this.score });
 550             } else {
 551               this.inPlay = false;
 552               if (this.stackToPlay.length > 0)
 553                 // Move(s) arrived in-between
 554                 this.play(this.stackToPlay.pop(), received, light, noemit);
 555             }
 556           }
 557         }
 558       };
 559       // NOTE: navigate and received are mutually exclusive
 560       if (navigate) {
 561         // The move to navigate to is necessarily full:
 562         if (this.cursor == this.moves.length - 1) return; //no more moves
 563         move = this.moves[this.cursor + 1];
 564         if (!this.autoplay) {
 565           // Just play the move:
 566           if (!Array.isArray(move)) move = [move];
 567           for (let i=0; i < move.length; i++) this.vr.play(move[i]);
 568           if (!light) {
 569             this.lastMove = move;
 570             this.incheck = this.vr.getCheckSquares();
 571             this.score = computeScore();
 572             this.emitFenIfAnalyze();
 573           }
 574           this.cursor++;
 575           return;
 576         }
 577       }
 578       playMove();
 579     },
 580     cancelCurrentMultimove: function() {
 581       const L = this.moves.length;
 582       let move = this.moves[L-1];
 583       if (!Array.isArray(move)) move = [move];
 584       for (let i = move.length - 1; i >= 0; i--) this.vr.undo(move[i]);
 585       this.moves.pop();
 586       this.cursor--;
 587       this.inMultimove = false;
 588     },
 589     cancelLastMove: function() {
 590       // The last played move was canceled (corr game)
 591       this.undo();
 592       this.moves.pop();
 593     },
 594     // "light": if gotoMove() or gotoBegin()
 595     undo: function(move, light) {
 596       // Freeze while choices are shown:
 597       if (this.$refs["board"].choices.length > 0) return;
 598       this.$refs["board"].resetCurrentAttempt();
 599       if (this.inMultimove) {
 600         this.cancelCurrentMultimove();
 601         this.incheck = this.vr.getCheckSquares();
 602       } else {
 603         if (!move) {
 604           const minCursor =
 605             this.moves.length > 0 && this.moves[0].notation == "..."
 606               ? 1
 607               : 0;
 608           if (this.cursor < minCursor) return; //no more moves
 609           move = this.moves[this.cursor];
 610         }
 611         this.$refs["board"].resetCurrentAttempt();
 612         undoMove(move, this.vr);
 613         if (light) this.cursor--;
 614         else {
 615           this.positionCursorTo(this.cursor - 1);
 616           this.incheck = this.vr.getCheckSquares();
 617           this.emitFenIfAnalyze();
 618         }
 619       }
 620     },
 621     gotoMove: function(index) {
 622       if (this.$refs["board"].choices.length > 0) return;
 623       this.$refs["board"].resetCurrentAttempt();
 624       if (this.inMultimove) this.cancelCurrentMultimove();
 625       if (index == this.cursor) return;
 626       if (index < this.cursor) {
 627         while (this.cursor > index)
 628           this.undo(null, null, "light");
 629       }
 630       else {
 631         // index > this.cursor)
 632         while (this.cursor < index)
 633           this.play(null, null, "light");
 634       }
 635       // NOTE: next line also re-assign cursor, but it's very light
 636       this.positionCursorTo(index);
 637       this.incheck = this.vr.getCheckSquares();
 638       this.emitFenIfAnalyze();
 639     },
 640     gotoBegin: function() {
 641       if (this.$refs["board"].choices.length > 0) return;
 642       this.$refs["board"].resetCurrentAttempt();
 643       if (this.inMultimove) this.cancelCurrentMultimove();
 644       const minCursor =
 645         this.moves.length > 0 && this.moves[0].notation == "..."
 646           ? 1
 647           : 0;
 648       while (this.cursor >= minCursor) this.undo(null, null, "light");
 649       this.lastMove = (minCursor == 1 ? this.moves[0] : null);
 650       this.incheck = this.vr.getCheckSquares();
 651       this.emitFenIfAnalyze();
 652     },
 653     gotoEnd: function() {
 654       if (this.$refs["board"].choices.length > 0) return;
 655       this.$refs["board"].resetCurrentAttempt();
 656       if (this.cursor == this.moves.length - 1) return;
 657       this.gotoMove(this.moves.length - 1);
 658       this.emitFenIfAnalyze();
 659     },
 660     flip: function() {
 661       if (this.$refs["board"].choices.length > 0) return;
 662       this.orientation = V.GetOppCol(this.orientation);
 663     }
 664   }
 665 };
 666 </script>
 667
 668 <style lang="sass" scoped>
 669 [type="checkbox"]#modalEog+div .card
 670   min-height: 45px
 671
 672 #baseGame
 673   width: 100%
 674   &:focus
 675     outline: none
 676
 677 #gameContainer
 678   margin-left: auto
 679   margin-right: auto
 680
 681 #downloadDiv
 682   display: inline-block
 683
 684 #controls
 685   user-select: none
 686   button
 687     border: none
 688     margin: 0
 689     padding-top: 5px
 690     padding-bottom: 5px
 691
 692 .in-autoplay
 693   background-color: #FACF8C
 694
 695 img.inline
 696   height: 22px
 697   padding-top: 5px
 698   @media screen and (max-width: 767px)
 699     height: 18px
 700
 701 #turnIndicator
 702   text-align: center
 703   font-weight: bold
 704
 705 #boardContainer
 706   float: left
 707 // TODO: later, maybe, allow movesList of variable width
 708 // or e.g. between 250 and 350px (but more complicated)
 709
 710 #movesList
 711   width: 280px
 712   float: left
 713
 714 @media screen and (max-width: 767px)
 715   #movesList
 716     width: 100%
 717     float: none
 718     clear: both
 719 </style>