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