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
  65 // https://vchess.club/#/game/46
  66 // Bug 35eme coup blanc Rx(P)e2, d2 et aussi 18eme coup blanc Rd7, Pxe6
  67 // --> peut-être lié à prise, ou lié à getFen(), ou inMultimove pas changé car concatène à coup précédent...
  68 // TODO: also fix moves played on smartphone, annoying shift...
  69 // attention play undo pendant l'autoplay !!
  70
  71 import Board from "@/components/Board.vue";
  72 import MoveList from "@/components/MoveList.vue";
  73 import params from "@/parameters";
  74 import { store } from "@/store";
  75 import { getSquareId } from "@/utils/squareId";
  76 import { getDate } from "@/utils/datetime";
  77 import { processModalClick } from "@/utils/modalClick";
  78 import { getScoreMessage } from "@/utils/scoring";
  79 import { getFullNotation } from "@/utils/notation";
  80 import { undoMove } from "@/utils/playUndo";
  81 export default {
  82   name: "my-base-game",
  83   components: {
  84     Board,
  85     MoveList
  86   },
  87   props: ["game"],
  88   data: function() {
  89     return {
  90       st: store.state,
  91       // NOTE: all following variables must be reset at the beginning of a game
  92       vr: null, //VariantRules object, game state
  93       endgameMessage: "",
  94       orientation: "w",
  95       mode: "",
  96       score: "*", //'*' means 'unfinished'
  97       moves: [],
  98       cursor: -1, //index of the move just played
  99       lastMove: null,
 100       firstMoveNumber: 0, //for printing
 101       incheck: [], //for Board
 102       inMultimove: false,
 103       autoplay: false,
 104       inPlay: false,
 105       stackToPlay: []
 106     };
 107   },
 108   computed: {
 109     turn: function() {
 110       if (!this.vr) return "";
 111       if (this.vr.showMoves != "all") {
 112         return this.st.tr[
 113           (this.vr.turn == 'w' ? "White" : "Black") + " to move"];
 114       }
 115       // Cannot flip: racing king or circular chess
 116       return (
 117         this.vr.movesCount == 0 && this.game.mycolor == "w"
 118           ? this.st.tr["It's your turn!"]
 119           : ""
 120       );
 121     },
 122     showFen: function() {
 123       return (
 124         this.mode == "analyze" &&
 125         this.$router.currentRoute.path.indexOf("/analyse") === -1
 126       );
 127     },
 128     // TODO: is it OK to pass "computed" as properties?
 129     // Also, some are seemingly not recomputed when vr is initialized.
 130     showMoves: function() {
 131       return this.game.score != "*"
 132         ? "all"
 133         : (!!this.vr ? this.vr.showMoves : "none");
 134     },
 135     showTurn: function() {
 136       return (
 137         this.game.score == '*' &&
 138         !!this.vr && (this.vr.showMoves != "all" || !this.vr.canFlip)
 139       );
 140     },
 141     canAnalyze: function() {
 142       return (
 143         this.game.mode != "analyze" &&
 144         !!this.vr && this.vr.canAnalyze
 145       );
 146     },
 147     canFlip: function() {
 148       return !!this.vr && this.vr.canFlip;
 149     },
 150     allowDownloadPGN: function() {
 151       return (
 152         this.game.score != "*" ||
 153         (!!this.vr && this.vr.showMoves == "all")
 154       );
 155     }
 156   },
 157   created: function() {
 158     if (!!this.game.fenStart) this.re_setVariables();
 159   },
 160   mounted: function() {
 161     if (!("ontouchstart" in window)) {
 162       // Desktop browser:
 163       const baseGameDiv = document.getElementById("baseGame");
 164       baseGameDiv.tabIndex = 0;
 165       baseGameDiv.addEventListener("click", this.focusBg);
 166       baseGameDiv.addEventListener("keydown", this.handleKeys);
 167       baseGameDiv.addEventListener("wheel", this.handleScroll);
 168     }
 169     document.getElementById("eogDiv")
 170       .addEventListener("click", processModalClick);
 171   },
 172   beforeDestroy: function() {
 173     // TODO: probably not required
 174     this.autoplay = false;
 175   },
 176   methods: {
 177     focusBg: function() {
 178       document.getElementById("baseGame").focus();
 179     },
 180     handleKeys: function(e) {
 181       if ([32, 37, 38, 39, 40].includes(e.keyCode)) e.preventDefault();
 182       switch (e.keyCode) {
 183         case 37:
 184           this.undo();
 185           break;
 186         case 39:
 187           this.play();
 188           break;
 189         case 38:
 190           this.gotoBegin();
 191           break;
 192         case 40:
 193           this.gotoEnd();
 194           break;
 195         case 32:
 196           this.flip();
 197           break;
 198       }
 199     },
 200     handleScroll: function(e) {
 201       e.preventDefault();
 202       if (e.deltaY < 0) this.undo();
 203       else if (e.deltaY > 0) this.play();
 204     },
 205     resetArrows: function() {
 206       // TODO: make arrows scale with board, and remove this
 207       this.$refs["board"].cancelResetArrows();
 208     },
 209     showRules: function() {
 210       // The button is here only on Game page:
 211       document.getElementById("modalRules").checked = true;
 212     },
 213     re_setVariables: function(game) {
 214       if (!game) game = this.game; //in case of...
 215       this.endgameMessage = "";
 216       // "w": default orientation for observed games
 217       this.orientation = game.mycolor || "w";
 218       this.mode = game.mode || game.type; //TODO: merge...
 219       this.moves = JSON.parse(JSON.stringify(game.moves || []));
 220       // Post-processing: decorate each move with notation and FEN
 221       this.vr = new V(game.fenStart);
 222       const parsedFen = V.ParseFen(game.fenStart);
 223       const firstMoveColor = parsedFen.turn;
 224       this.firstMoveNumber = Math.floor(parsedFen.movesCount / 2) + 1;
 225       let L = this.moves.length;
 226       if (L == 0) {
 227         this.incheck = [];
 228         this.score = "*";
 229       }
 230       this.moves.forEach((move,idx) => {
 231         // Strategy working also for multi-moves:
 232         if (!Array.isArray(move)) move = [move];
 233         const Lm = move.length;
 234         move.forEach((m,idxM) => {
 235           m.notation = this.vr.getNotation(m);
 236           m.unambiguous = V.GetUnambiguousNotation(m);
 237           this.vr.play(m);
 238           const checkSquares = this.vr.getCheckSquares();
 239           if (checkSquares.length > 0) m.notation += "+";
 240           if (idxM == Lm - 1) m.fen = this.vr.getFen();
 241           if (idx == L - 1 && idxM == Lm - 1) {
 242             this.incheck = checkSquares;
 243             this.score = this.vr.getCurrentScore();
 244             if (["1-0", "0-1"].includes(this.score)) m.notation += "#";
 245           }
 246         });
 247       });
 248       if (firstMoveColor == "b") {
 249         // 'start' & 'end' is required for Board component
 250         this.moves.unshift({
 251           notation: "...",
 252           unambiguous: "...",
 253           start: { x: -1, y: -1 },
 254           end: { x: -1, y: -1 },
 255           fen: game.fenStart
 256         });
 257         L++;
 258       }
 259       this.positionCursorTo(L - 1);
 260     },
 261     positionCursorTo: function(index) {
 262       this.cursor = index;
 263       // Note: last move in moves array might be a multi-move
 264       if (index >= 0) this.lastMove = this.moves[index];
 265       else this.lastMove = null;
 266     },
 267     toggleAnalyze: function() {
 268       if (this.mode != "analyze") {
 269         // Enter analyze mode:
 270         this.gameMode = this.mode; //was not 'analyze'
 271         this.mode = "analyze";
 272         this.gameCursor = this.cursor;
 273         this.gameMoves = JSON.parse(JSON.stringify(this.moves));
 274         document.getElementById("analyzeBtn").classList.add("active");
 275       }
 276       else {
 277         // Exit analyze mode:
 278         this.mode = this.gameMode ;
 279         this.cursor = this.gameCursor;
 280         this.moves = this.gameMoves;
 281         let fen = this.game.fenStart;
 282         if (this.cursor >= 0) {
 283           let mv = this.moves[this.cursor];
 284           if (!Array.isArray(mv)) mv = [mv];
 285           fen = mv[mv.length-1].fen;
 286         }
 287         this.vr = new V(fen);
 288         this.incheck = this.vr.getCheckSquares();
 289         if (this.cursor >= 0) this.lastMove = this.moves[this.cursor];
 290         else this.lastMove = null;
 291         document.getElementById("analyzeBtn").classList.remove("active");
 292       }
 293     },
 294     download: function() {
 295       const content = this.getPgn();
 296       // Prepare and trigger download link
 297       let downloadAnchor = document.getElementById("download");
 298       downloadAnchor.setAttribute("download", "game.pgn");
 299       downloadAnchor.href =
 300         "data:text/plain;charset=utf-8," + encodeURIComponent(content);
 301       downloadAnchor.click();
 302     },
 303     getPgn: function() {
 304       let pgn = "";
 305       pgn += '[Site "vchess.club"]\n';
 306       pgn += '[Variant "' + this.game.vname + '"]\n';
 307       const gdt = getDate(new Date(this.game.created || Date.now()));
 308       pgn += '[Date "' + gdt + '"]\n';
 309       pgn += '[White "' + this.game.players[0].name + '"]\n';
 310       pgn += '[Black "' + this.game.players[1].name + '"]\n';
 311       pgn += '[Fen "' + this.game.fenStart + '"]\n';
 312       pgn += '[Result "' + this.game.score + '"]\n';
 313       if (!!this.game.id)
 314         pgn += '[Url "' + params.serverUrl + '/game/' + this.game.id + '"]\n';
 315       if (!!this.game.cadence)
 316         pgn += '[Cadence "' + this.game.cadence + '"]\n';
 317       pgn += '\n';
 318       for (let i = 0; i < this.moves.length; i += 2) {
 319         if (i > 0) pgn += " ";
 320         // Adjust dots notation for a better display:
 321         let fullNotation = getFullNotation(this.moves[i]);
 322         if (fullNotation == "...") fullNotation = "..";
 323         pgn += (i / 2 + this.firstMoveNumber) + "." + fullNotation;
 324         if (i+1 < this.moves.length)
 325           pgn += " " + getFullNotation(this.moves[i+1]);
 326       }
 327       pgn += "\n\n";
 328       for (let i = 0; i < this.moves.length; i += 2) {
 329         const moveNumber = i / 2 + this.firstMoveNumber;
 330         // Skip "dots move", useless for machine reading:
 331         if (this.moves[i].notation != "...") {
 332           pgn += moveNumber + ".w " +
 333             getFullNotation(this.moves[i], "unambiguous") + "\n";
 334         }
 335         if (i+1 < this.moves.length) {
 336           pgn += moveNumber + ".b " +
 337             getFullNotation(this.moves[i+1], "unambiguous") + "\n";
 338         }
 339       }
 340       return pgn;
 341     },
 342     showEndgameMsg: function(message) {
 343       this.endgameMessage = message;
 344       document.getElementById("modalEog").checked = true;
 345     },
 346     runAutoplay: function() {
 347       if (this.autoplay) {
 348         this.autoplay = false;
 349         if (this.stackToPlay.length > 0)
 350           // Move(s) arrived in-between
 351           this.play(this.stackToPlay.pop(), "received");
 352       }
 353       else if (this.cursor < this.moves.length - 1) {
 354         this.autoplay = true;
 355         this.play();
 356       }
 357     },
 358     // Animate an elementary move
 359     animateMove: function(move, callback) {
 360       let startSquare = document.getElementById(getSquareId(move.start));
 361       if (!startSquare) return; //shouldn't happen but...
 362       let endSquare = document.getElementById(getSquareId(move.end));
 363       let rectStart = startSquare.getBoundingClientRect();
 364       let rectEnd = endSquare.getBoundingClientRect();
 365       let translation = {
 366         x: rectEnd.x - rectStart.x,
 367         y: rectEnd.y - rectStart.y
 368       };
 369       let movingPiece = document.querySelector(
 370         "#" + getSquareId(move.start) + " > img.piece"
 371       );
 372       // For some unknown reasons Opera get "movingPiece == null" error
 373       // TODO: is it calling 'animate()' twice ? One extra time ?
 374       if (!movingPiece) return;
 375       const squares = document.getElementsByClassName("board");
 376       for (let i = 0; i < squares.length; i++) {
 377         let square = squares.item(i);
 378         if (square.id != getSquareId(move.start))
 379           // HACK for animation:
 380           // (with positive translate, image slides "under background")
 381           square.style.zIndex = "-1";
 382       }
 383       movingPiece.style.transform =
 384         "translate(" + translation.x + "px," + translation.y + "px)";
 385       movingPiece.style.transitionDuration = "0.25s";
 386       movingPiece.style.zIndex = "3000";
 387       setTimeout(() => {
 388         for (let i = 0; i < squares.length; i++)
 389           squares.item(i).style.zIndex = "auto";
 390         movingPiece.style = {}; //required e.g. for 0-0 with KR swap
 391         callback();
 392       }, 250);
 393     },
 394     // For Analyse mode:
 395     emitFenIfAnalyze: function() {
 396       if (this.game.mode == "analyze") {
 397         let fen = this.game.fenStart;
 398         if (!!this.lastMove) {
 399           if (Array.isArray(this.lastMove)) {
 400             const L = this.lastMove.length;
 401             fen = this.lastMove[L-1].fen;
 402           }
 403           else fen = this.lastMove.fen;
 404         }
 405         this.$emit("fenchange", fen);
 406       }
 407     },
 408     clickSquare: function(square) {
 409       // Some variants make use of a single click at specific times:
 410       const move = this.vr.doClick(square);
 411       if (!!move) this.play(move);
 412     },
 413     // "light": if gotoMove() or gotoEnd()
 414     play: function(move, received, light) {
 415       // Freeze while choices are shown:
 416       if (this.$refs["board"].choices.length > 0) return;
 417       const navigate = !move;
 418       // Forbid playing outside analyze mode, except if move is received.
 419       // Sufficient condition because Board already knows which turn it is.
 420       if (
 421         this.mode != "analyze" &&
 422         !navigate &&
 423         !received &&
 424         (this.game.score != "*" || this.cursor < this.moves.length - 1)
 425       ) {
 426         return;
 427       }
 428       if (!!received) {
 429         if (this.autoplay || this.inPlay) {
 430           // Received moves while autoplaying are stacked,
 431           // and in observed games they could arrive too fast:
 432           this.stackToPlay.unshift(move);
 433           return;
 434         }
 435         this.inPlay = true;
 436         if (this.mode == "analyze") this.toggleAnalyze();
 437         if (this.cursor < this.moves.length - 1)
 438           // To play a received move, cursor must be at the end of the game:
 439           this.gotoEnd();
 440       }
 441       // The board may show some the possible moves: (TODO: bad solution)
 442       this.$refs["board"].resetCurrentAttempt();
 443       const playSubmove = (smove) => {
 444         smove.notation = this.vr.getNotation(smove);
 445         smove.unambiguous = V.GetUnambiguousNotation(smove);
 446         this.vr.play(smove);
 447         if (this.inMultimove && !!this.lastMove) {
 448           if (!Array.isArray(this.lastMove))
 449             this.lastMove = [this.lastMove, smove];
 450           else this.lastMove.push(smove);
 451         }
 452         // Is opponent (or me) in check?
 453         this.incheck = this.vr.getCheckSquares();
 454         if (this.incheck.length > 0) smove.notation += "+";
 455         if (!this.inMultimove) {
 456           // First sub-move:
 457           this.lastMove = smove;
 458           // Condition is "!navigate" but we mean "!this.autoplay"
 459           if (!navigate) {
 460             if (this.cursor < this.moves.length - 1)
 461               this.moves = this.moves.slice(0, this.cursor + 1);
 462             this.moves.push(smove);
 463           }
 464           this.inMultimove = true; //potentially
 465           this.cursor++;
 466         } else if (!navigate) {
 467           // Already in the middle of a multi-move
 468           const L = this.moves.length;
 469           if (!Array.isArray(this.moves[L-1]))
 470             this.$set(this.moves, L-1, [this.moves[L-1], smove]);
 471           else this.moves[L-1].push(smove);
 472         }
 473       };
 474       const playMove = () => {
 475         const animate = (
 476           ["all", "highlight"].includes(V.ShowMoves) &&
 477           (this.autoplay || !!received)
 478         );
 479         if (!Array.isArray(move)) move = [move];
 480         let moveIdx = 0;
 481         let self = this;
 482         const initurn = this.vr.turn;
 483         (function executeMove() {
 484           const smove = move[moveIdx++];
 485           // NOTE: condition "smove.start.x >= 0" required for Dynamo,
 486           // because second move may be empty.
 487           if (animate && smove.start.x >= 0) {
 488             self.animateMove(smove, () => {
 489               playSubmove(smove);
 490               if (moveIdx < move.length) setTimeout(executeMove, 500);
 491               else afterMove(smove, initurn);
 492             });
 493           } else {
 494             playSubmove(smove);
 495             if (moveIdx < move.length) executeMove();
 496             else afterMove(smove, initurn);
 497           }
 498         })();
 499       };
 500       const computeScore = () => {
 501         const score = this.vr.getCurrentScore();
 502         if (!navigate) {
 503           if (["1-0", "0-1"].includes(score)) {
 504             if (Array.isArray(this.lastMove)) {
 505               const L = this.lastMove.length;
 506               this.lastMove[L - 1].notation += "#";
 507             }
 508             else this.lastMove.notation += "#";
 509           }
 510         }
 511         if (score != "*" && ["analyze", "versus"].includes(this.mode)) {
 512           const message = getScoreMessage(score);
 513           // Show score on screen
 514           this.showEndgameMsg(score + " . " + this.st.tr[message]);
 515         }
 516         return score;
 517       };
 518       const afterMove = (smove, initurn) => {
 519         if (this.vr.turn != initurn) {
 520           // Turn has changed: move is complete
 521           if (!smove.fen)
 522             // NOTE: only FEN of last sub-move is required (=> setting it here)
 523             smove.fen = this.vr.getFen();
 524           this.emitFenIfAnalyze();
 525           this.inMultimove = false;
 526           this.score = computeScore();
 527           if (this.autoplay) {
 528             if (this.cursor < this.moves.length - 1)
 529               setTimeout(this.play, 1000);
 530             else {
 531               this.autoplay = false;
 532               if (this.stackToPlay.length > 0)
 533                 // Move(s) arrived in-between
 534                 this.play(this.stackToPlay.pop(), "received");
 535             }
 536           }
 537           if (this.mode != "analyze" && !navigate) {
 538             if (!received) {
 539               // Post-processing (e.g. computer play).
 540               const L = this.moves.length;
 541               // NOTE: always emit the score, even in unfinished
 542               this.$emit("newmove", this.moves[L-1], { score: this.score });
 543             } else {
 544               this.inPlay = false;
 545               if (this.stackToPlay.length > 0)
 546                 // Move(s) arrived in-between
 547                 this.play(this.stackToPlay.pop(), "received");
 548             }
 549           }
 550         }
 551       };
 552       // NOTE: navigate and received are mutually exclusive
 553       if (navigate) {
 554         // The move to navigate to is necessarily full:
 555         if (this.cursor == this.moves.length - 1) return; //no more moves
 556         move = this.moves[this.cursor + 1];
 557         if (!this.autoplay) {
 558           // Just play the move:
 559           if (!Array.isArray(move)) move = [move];
 560           for (let i=0; i < move.length; i++) this.vr.play(move[i]);
 561           if (!light) {
 562             this.lastMove = move;
 563             this.incheck = this.vr.getCheckSquares();
 564             this.score = computeScore();
 565             this.emitFenIfAnalyze();
 566           }
 567           this.cursor++;
 568           return;
 569         }
 570       }
 571       playMove();
 572     },
 573     cancelCurrentMultimove: function() {
 574       const L = this.moves.length;
 575       let move = this.moves[L-1];
 576       if (!Array.isArray(move)) move = [move];
 577       for (let i = move.length - 1; i >= 0; i--) this.vr.undo(move[i]);
 578       this.moves.pop();
 579       this.cursor--;
 580       this.inMultimove = false;
 581     },
 582     cancelLastMove: function() {
 583       // The last played move was canceled (corr game)
 584       this.undo();
 585       this.moves.pop();
 586     },
 587     // "light": if gotoMove() or gotoBegin()
 588     undo: function(move, light) {
 589       // Freeze while choices are shown:
 590       if (this.$refs["board"].choices.length > 0) return;
 591       this.$refs["board"].resetCurrentAttempt();
 592       if (this.inMultimove) {
 593         this.cancelCurrentMultimove();
 594         this.incheck = this.vr.getCheckSquares();
 595       } else {
 596         if (!move) {
 597           const minCursor =
 598             this.moves.length > 0 && this.moves[0].notation == "..."
 599               ? 1
 600               : 0;
 601           if (this.cursor < minCursor) return; //no more moves
 602           move = this.moves[this.cursor];
 603         }
 604         this.$refs["board"].resetCurrentAttempt();
 605         undoMove(move, this.vr);
 606         if (light) this.cursor--;
 607         else {
 608           this.positionCursorTo(this.cursor - 1);
 609           this.incheck = this.vr.getCheckSquares();
 610           this.emitFenIfAnalyze();
 611         }
 612       }
 613     },
 614     gotoMove: function(index) {
 615       if (this.$refs["board"].choices.length > 0) return;
 616       this.$refs["board"].resetCurrentAttempt();
 617       if (this.inMultimove) this.cancelCurrentMultimove();
 618       if (index == this.cursor) return;
 619       if (index < this.cursor) {
 620         while (this.cursor > index)
 621           this.undo(null, null, "light");
 622       }
 623       else {
 624         // index > this.cursor)
 625         while (this.cursor < index)
 626           this.play(null, null, "light");
 627       }
 628       // NOTE: next line also re-assign cursor, but it's very light
 629       this.positionCursorTo(index);
 630       this.incheck = this.vr.getCheckSquares();
 631       this.emitFenIfAnalyze();
 632     },
 633     gotoBegin: function() {
 634       if (this.$refs["board"].choices.length > 0) return;
 635       this.$refs["board"].resetCurrentAttempt();
 636       if (this.inMultimove) this.cancelCurrentMultimove();
 637       const minCursor =
 638         this.moves.length > 0 && this.moves[0].notation == "..."
 639           ? 1
 640           : 0;
 641       while (this.cursor >= minCursor) this.undo(null, null, "light");
 642       this.lastMove = (minCursor == 1 ? this.moves[0] : null);
 643       this.incheck = this.vr.getCheckSquares();
 644       this.emitFenIfAnalyze();
 645     },
 646     gotoEnd: function() {
 647       if (this.$refs["board"].choices.length > 0) return;
 648       this.$refs["board"].resetCurrentAttempt();
 649       if (this.cursor == this.moves.length - 1) return;
 650       this.gotoMove(this.moves.length - 1);
 651       this.emitFenIfAnalyze();
 652     },
 653     flip: function() {
 654       if (this.$refs["board"].choices.length > 0) return;
 655       this.orientation = V.GetOppCol(this.orientation);
 656     }
 657   }
 658 };
 659 </script>
 660
 661 <style lang="sass" scoped>
 662 [type="checkbox"]#modalEog+div .card
 663   min-height: 45px
 664   max-width: 350px
 665
 666 #baseGame
 667   width: 100%
 668   &:focus
 669     outline: none
 670
 671 #gameContainer
 672   margin-left: auto
 673   margin-right: auto
 674
 675 #downloadDiv
 676   display: inline-block
 677
 678 #controls
 679   user-select: none
 680   button
 681     border: none
 682     margin: 0
 683     padding-top: 5px
 684     padding-bottom: 5px
 685
 686 .in-autoplay
 687   background-color: #FACF8C
 688
 689 img.inline
 690   height: 22px
 691   padding-top: 5px
 692   @media screen and (max-width: 767px)
 693     height: 18px
 694
 695 #turnIndicator
 696   text-align: center
 697   font-weight: bold
 698
 699 #boardContainer
 700   float: left
 701 // TODO: later, maybe, allow movesList of variable width
 702 // or e.g. between 250 and 350px (but more complicated)
 703
 704 #movesList
 705   width: 280px
 706   float: left
 707
 708 @media screen and (max-width: 767px)
 709   #movesList
 710     width: 100%
 711     float: none
 712     clear: both
 713 </style>