Some more traces... (fix typo)
[vchess.git] / client / src / components / BaseGame.vue
CommitLineData
a6088c90 1<template lang="pug">
e71161fb 2div#baseGame
7e355d68 3 input#modalEog.modal(type="checkbox")
6808d7a1
BA
4 div#eogDiv(
5 role="dialog"
6 data-checkbox="modalEog"
7 )
9a3049f3 8 .card.text-center
7e355d68 9 label.modal-close(for="modalEog")
9a3049f3 10 h3.section {{ endgameMessage }}
cf94b843
BA
11 #gameContainer
12 #boardContainer
6808d7a1 13 Board(
a6836242 14 ref="board"
6808d7a1
BA
15 :vr="vr"
16 :last-move="lastMove"
07052665 17 :analyze="mode=='analyze'"
20620465 18 :score="game.score"
6808d7a1
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19 :user-color="game.mycolor"
20 :orientation="orientation"
21 :vname="game.vname"
22 :incheck="incheck"
23 @play-move="play"
61656127 24 @click-square="clickSquare"
6808d7a1 25 )
20620465 26 #turnIndicator(v-if="showTurn") {{ turn }}
b1e46b33 27 #controls.button-group
b9a5fe01
BA
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")
54ec15eb
BA
34 button(
35 @click="runAutoplay()"
36 :class="{'in-autoplay': autoplay}"
37 )
38 img.inline(src="/images/icons/autoplay.svg")
b9a5fe01
BA
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")
07052665 43 p(v-show="showFen") {{ (!!vr ? vr.getFen() : "") }}
cf94b843 44 #movesList
6808d7a1 45 MoveList(
933fd1f9 46 :show="showMoves"
feaf1bf7
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47 :canAnalyze="canAnalyze"
48 :canDownload="allowDownloadPGN"
6808d7a1
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49 :score="game.score"
50 :message="game.scoreMsg"
51 :firstNum="firstMoveNumber"
52 :moves="moves"
53 :cursor="cursor"
feaf1bf7
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54 @download="download"
55 @showrules="showRules"
07052665 56 @analyze="toggleAnalyze"
6808d7a1 57 @goto-move="gotoMove"
49dad261 58 @reset-arrows="resetArrows"
6808d7a1 59 )
41c80bb6 60 .clearer
a6088c90
BA
61</template>
62
63<script>
64import Board from "@/components/Board.vue";
f21cd6d9 65import MoveList from "@/components/MoveList.vue";
2c5d7b20 66import params from "@/parameters";
a6088c90
BA
67import { store } from "@/store";
68import { getSquareId } from "@/utils/squareId";
d4036efe 69import { getDate } from "@/utils/datetime";
602d6bef 70import { processModalClick } from "@/utils/modalClick";
77c50966 71import { getScoreMessage } from "@/utils/scoring";
e71161fb
BA
72import { getFullNotation } from "@/utils/notation";
73import { undoMove } from "@/utils/playUndo";
a6088c90 74export default {
6808d7a1 75 name: "my-base-game",
a6088c90
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76 components: {
77 Board,
6808d7a1 78 MoveList
a6088c90 79 },
e71161fb 80 props: ["game"],
a6088c90
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81 data: function() {
82 return {
83 st: store.state,
b7c32f1a 84 // NOTE: all following variables must be reset at the beginning of a game
e71161fb 85 vr: null, //VariantRules object, game state
a6088c90
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86 endgameMessage: "",
87 orientation: "w",
07052665 88 mode: "",
a6088c90 89 score: "*", //'*' means 'unfinished'
b7c32f1a 90 moves: [],
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91 cursor: -1, //index of the move just played
92 lastMove: null,
5157ce0b 93 firstMoveNumber: 0, //for printing
e71161fb 94 incheck: [], //for Board
57eb158f 95 inMultimove: false,
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96 autoplay: false,
97 autoplayLoop: null,
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98 inPlay: false,
99 stackToPlay: []
a6088c90
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100 };
101 },
102 computed: {
6b9378a6
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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 },
07052665
BA
116 showFen: function() {
117 return (
118 this.mode == "analyze" &&
119 this.$router.currentRoute.path.indexOf("/analyse") === -1
120 );
121 },
1ef65040 122 // TODO: is it OK to pass "computed" as properties?
6b9378a6 123 // Also, some are seemingly not recomputed when vr is initialized.
a6088c90 124 showMoves: function() {
933fd1f9
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125 return this.game.score != "*"
126 ? "all"
6b9378a6 127 : (!!this.vr ? this.vr.showMoves : "none");
20620465
BA
128 },
129 showTurn: function() {
71ef1664
BA
130 return (
131 this.game.score == '*' &&
6b9378a6 132 !!this.vr && (this.vr.showMoves != "all" || !this.vr.canFlip)
71ef1664 133 );
a6088c90 134 },
20620465 135 canAnalyze: function() {
6b9378a6
BA
136 return (
137 this.game.mode != "analyze" &&
138 !!this.vr && this.vr.canAnalyze
139 );
20620465 140 },
71ef1664 141 canFlip: function() {
6b9378a6 142 return !!this.vr && this.vr.canFlip;
71ef1664 143 },
20620465 144 allowDownloadPGN: function() {
6b9378a6
BA
145 return (
146 this.game.score != "*" ||
147 (!!this.vr && this.vr.showMoves == "all")
148 );
6808d7a1 149 }
a6088c90 150 },
4b0384fa 151 created: function() {
b1e46b33 152 if (!!this.game.fenStart) this.re_setVariables();
4b0384fa 153 },
cf94b843 154 mounted: function() {
e71161fb
BA
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 }
42a92848
BA
163 document.getElementById("eogDiv")
164 .addEventListener("click", processModalClick);
cf94b843 165 },
54ec15eb
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166 beforeDestroy: function() {
167 if (!!this.autoplayLoop) clearInterval(this.autoplayLoop);
168 },
a6088c90 169 methods: {
9ca1e26b 170 focusBg: function() {
9ca1e26b
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171 document.getElementById("baseGame").focus();
172 },
173 handleKeys: function(e) {
6808d7a1
BA
174 if ([32, 37, 38, 39, 40].includes(e.keyCode)) e.preventDefault();
175 switch (e.keyCode) {
9ca1e26b
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176 case 37:
177 this.undo();
178 break;
179 case 39:
180 this.play();
181 break;
5701c228 182 case 38:
9ca1e26b
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183 this.gotoBegin();
184 break;
185 case 40:
186 this.gotoEnd();
187 break;
188 case 32:
9ca1e26b
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189 this.flip();
190 break;
191 }
192 },
dcd68c41 193 handleScroll: function(e) {
e71161fb
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194 e.preventDefault();
195 if (e.deltaY < 0) this.undo();
196 else if (e.deltaY > 0) this.play();
dcd68c41 197 },
49dad261
BA
198 resetArrows: function() {
199 // TODO: make arrows scale with board, and remove this
200 this.$refs["board"].cancelResetArrows();
201 },
0e16cb26 202 showRules: function() {
07052665
BA
203 // The button is here only on Game page:
204 document.getElementById("modalRules").checked = true;
0e16cb26 205 },
b1e46b33
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206 re_setVariables: function(game) {
207 if (!game) game = this.game; //in case of...
4b0384fa 208 this.endgameMessage = "";
8477e53d 209 // "w": default orientation for observed games
b1e46b33 210 this.orientation = game.mycolor || "w";
07052665 211 this.mode = game.mode || game.type; //TODO: merge...
b1e46b33 212 this.moves = JSON.parse(JSON.stringify(game.moves || []));
e71161fb 213 // Post-processing: decorate each move with notation and FEN
b1e46b33
BA
214 this.vr = new V(game.fenStart);
215 const parsedFen = V.ParseFen(game.fenStart);
8477e53d 216 const firstMoveColor = parsedFen.turn;
6e0c0bcb 217 this.firstMoveNumber = Math.floor(parsedFen.movesCount / 2) + 1;
f54f4c26 218 let L = this.moves.length;
af34341d 219 this.moves.forEach((move,idx) => {
e71161fb
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220 // Strategy working also for multi-moves:
221 if (!Array.isArray(move)) move = [move];
af34341d
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222 const Lm = move.length;
223 move.forEach((m,idxM) => {
e71161fb 224 m.notation = this.vr.getNotation(m);
2c5d7b20 225 m.unambiguous = V.GetUnambiguousNotation(m);
e71161fb 226 this.vr.play(m);
af34341d
BA
227 const checkSquares = this.vr.getCheckSquares();
228 if (checkSquares.length > 0) m.notation += "+";
07052665 229 if (idxM == Lm - 1) m.fen = this.vr.getFen();
af34341d
BA
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 }
e71161fb 235 });
d4036efe 236 });
8477e53d 237 if (firstMoveColor == "b") {
311cba76 238 // 'start' & 'end' is required for Board component
6808d7a1 239 this.moves.unshift({
6808d7a1 240 notation: "...",
2c5d7b20 241 unambiguous: "...",
311cba76 242 start: { x: -1, y: -1 },
3a2a7b5f
BA
243 end: { x: -1, y: -1 },
244 fen: game.fenStart
6808d7a1 245 });
f54f4c26 246 L++;
697ee580 247 }
af34341d 248 this.positionCursorTo(L - 1);
4b0384fa 249 },
e71161fb
BA
250 positionCursorTo: function(index) {
251 this.cursor = index;
af34341d
BA
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;
e71161fb 255 },
07052665
BA
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);
0f0552a7 277 this.incheck = this.vr.getCheckSquares();
07052665
BA
278 document.getElementById("analyzeBtn").classList.remove("active");
279 }
603b8a8b 280 },
a6088c90
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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");
6808d7a1
BA
286 downloadAnchor.href =
287 "data:text/plain;charset=utf-8," + encodeURIComponent(content);
a6088c90
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288 downloadAnchor.click();
289 },
290 getPgn: function() {
291 let pgn = "";
292 pgn += '[Site "vchess.club"]\n';
834c202a 293 pgn += '[Variant "' + this.game.vname + '"]\n';
1ef65040
BA
294 const gdt = getDate(new Date(this.game.created || Date.now()));
295 pgn += '[Date "' + gdt + '"]\n';
d4036efe
BA
296 pgn += '[White "' + this.game.players[0].name + '"]\n';
297 pgn += '[Black "' + this.game.players[1].name + '"]\n';
834c202a 298 pgn += '[Fen "' + this.game.fenStart + '"]\n';
2c5d7b20 299 pgn += '[Result "' + this.game.score + '"]\n';
fef153df 300 if (!!this.game.id)
1ef65040 301 pgn += '[Url "' + params.serverUrl + '/game/' + this.game.id + '"]\n';
fef153df
BA
302 if (!!this.game.cadence)
303 pgn += '[Cadence "' + this.game.cadence + '"]\n';
2c5d7b20 304 pgn += '\n';
e71161fb 305 for (let i = 0; i < this.moves.length; i += 2) {
2c5d7b20 306 if (i > 0) pgn += " ";
49dad261
BA
307 // Adjust dots notation for a better display:
308 let fullNotation = getFullNotation(this.moves[i]);
309 if (fullNotation == "...") fullNotation = "..";
6e0c0bcb 310 pgn += (i / 2 + this.firstMoveNumber) + "." + fullNotation;
e71161fb 311 if (i+1 < this.moves.length)
2c5d7b20 312 pgn += " " + getFullNotation(this.moves[i+1]);
a6088c90 313 }
2c5d7b20
BA
314 pgn += "\n\n";
315 for (let i = 0; i < this.moves.length; i += 2) {
6e0c0bcb 316 const moveNumber = i / 2 + this.firstMoveNumber;
1ef65040
BA
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 }
49dad261 322 if (i+1 < this.moves.length) {
1ef65040 323 pgn += moveNumber + ".b " +
49dad261
BA
324 getFullNotation(this.moves[i+1], "unambiguous") + "\n";
325 }
2c5d7b20
BA
326 }
327 return pgn;
a6088c90 328 },
b988c726
BA
329 showEndgameMsg: function(message) {
330 this.endgameMessage = message;
aae89b49 331 document.getElementById("modalEog").checked = true;
a6088c90 332 },
54ec15eb
BA
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;
1ef65040
BA
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 );
54ec15eb
BA
360 }
361 },
e71161fb 362 // Animate an elementary move
63ca2b89 363 animateMove: function(move, callback) {
a6088c90 364 let startSquare = document.getElementById(getSquareId(move.start));
f9c36b2d 365 if (!startSquare) return; //shouldn't happen but...
a6088c90
BA
366 let endSquare = document.getElementById(getSquareId(move.end));
367 let rectStart = startSquare.getBoundingClientRect();
368 let rectEnd = endSquare.getBoundingClientRect();
6808d7a1
BA
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 );
efdfb4c7 376 // For some unknown reasons Opera get "movingPiece == null" error
2c5d7b20 377 // TODO: is it calling 'animate()' twice ? One extra time ?
efdfb4c7 378 if (!movingPiece) return;
a6088c90 379 const squares = document.getElementsByClassName("board");
6808d7a1 380 for (let i = 0; i < squares.length; i++) {
a6088c90 381 let square = squares.item(i);
2c5d7b20
BA
382 if (square.id != getSquareId(move.start))
383 // HACK for animation:
384 // (with positive translate, image slides "under background")
385 square.style.zIndex = "-1";
a6088c90 386 }
6808d7a1
BA
387 movingPiece.style.transform =
388 "translate(" + translation.x + "px," + translation.y + "px)";
910d631b 389 movingPiece.style.transitionDuration = "0.25s";
a6088c90 390 movingPiece.style.zIndex = "3000";
6808d7a1
BA
391 setTimeout(() => {
392 for (let i = 0; i < squares.length; i++)
a6088c90
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393 squares.item(i).style.zIndex = "auto";
394 movingPiece.style = {}; //required e.g. for 0-0 with KR swap
63ca2b89 395 callback();
a6088c90
BA
396 }, 250);
397 },
8055eabd
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398 // For Analyse mode:
399 emitFenIfAnalyze: function() {
400 if (this.game.mode == "analyze") {
af34341d
BA
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.$emit("fenchange", fen);
8055eabd
BA
410 }
411 },
61656127
BA
412 clickSquare: function(square) {
413 // Some variants make use of a single click at specific times:
414 const move = this.vr.doClick(square);
415 if (!!move) this.play(move);
416 },
e71161fb 417 // "light": if gotoMove() or gotoEnd()
57eb158f 418 play: function(move, received, light, noemit) {
a6836242
BA
419 // Freeze while choices are shown:
420 if (this.$refs["board"].choices.length > 0) return;
d6289b54
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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) {
0f0552a7
BA
433
434 if (this.mode == "analyze") { console.log("received move");
435 console.log(move); }
436
d6289b54
BA
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 }
57eb158f
BA
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 }
d6289b54
BA
450 // The board may show some the possible moves: (TODO: bad solution)
451 this.$refs["board"].resetCurrentAttempt();
e71161fb 452 const playSubmove = (smove) => {
fbd68f75 453 smove.notation = this.vr.getNotation(smove);
2c5d7b20 454 smove.unambiguous = V.GetUnambiguousNotation(smove);
e71161fb 455 this.vr.play(smove);
07052665 456 if (this.inMultimove && !!this.lastMove) {
af34341d
BA
457 if (!Array.isArray(this.lastMove))
458 this.lastMove = [this.lastMove, smove];
459 else this.lastMove.push(smove);
460 }
7ddfec38 461 // Is opponent (or me) in check?
af34341d
BA
462 this.incheck = this.vr.getCheckSquares();
463 if (this.incheck.length > 0) smove.notation += "+";
fbd68f75 464 if (!this.inMultimove) {
af34341d
BA
465 // First sub-move:
466 this.lastMove = smove;
54ec15eb
BA
467 // Condition is "!navigate" but we mean "!this.autoplay"
468 if (!navigate) {
691d6952 469 if (this.cursor < this.moves.length - 1)
54ec15eb
BA
470 this.moves = this.moves.slice(0, this.cursor + 1);
471 this.moves.push(smove);
472 }
fbd68f75
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473 this.inMultimove = true; //potentially
474 this.cursor++;
54ec15eb 475 } else if (!navigate) {
fbd68f75
BA
476 // Already in the middle of a multi-move
477 const L = this.moves.length;
478 if (!Array.isArray(this.moves[L-1]))
479 this.$set(this.moves, L-1, [this.moves[L-1], smove]);
6e47d367 480 else this.moves[L-1].push(smove);
e71161fb
BA
481 }
482 };
483 const playMove = () => {
54ec15eb 484 const animate = (
57d9b2c4 485 ["all", "highlight"].includes(V.ShowMoves) &&
54ec15eb
BA
486 (this.autoplay || !!received)
487 );
e71161fb
BA
488 if (!Array.isArray(move)) move = [move];
489 let moveIdx = 0;
490 let self = this;
491 const initurn = this.vr.turn;
492 (function executeMove() {
b20f4bd2 493console.log("execute move " + move.length);
e71161fb 494 const smove = move[moveIdx++];
ad1e629e
BA
495 // NOTE: condition "smove.start.x >= 0" required for Dynamo,
496 // because second move may be empty.
497 if (animate && smove.start.x >= 0) {
e71161fb
BA
498 self.animateMove(smove, () => {
499 playSubmove(smove);
130cca8b
BA
500
501console.log(moveIdx + " " + move.length);
502
e71161fb
BA
503 if (moveIdx < move.length)
504 setTimeout(executeMove, 500);
505 else afterMove(smove, initurn);
506 });
507 } else {
508 playSubmove(smove);
509 if (moveIdx < move.length) executeMove();
510 else afterMove(smove, initurn);
511 }
512 })();
513 };
fbd68f75
BA
514 const computeScore = () => {
515 const score = this.vr.getCurrentScore();
f54f4c26 516 if (!navigate) {
af34341d
BA
517 if (["1-0","0-1"].includes(score)) {
518 if (Array.isArray(this.lastMove)) {
519 const L = this.lastMove.length;
520 this.lastMove[L - 1].notation += "#";
521 }
522 else this.lastMove.notation += "#";
523 }
f54f4c26 524 }
07052665 525 if (score != "*" && this.mode == "analyze") {
fbd68f75
BA
526 const message = getScoreMessage(score);
527 // Just show score on screen (allow undo)
528 this.showEndgameMsg(score + " . " + this.st.tr[message]);
529 }
530 return score;
531 };
e71161fb 532 const afterMove = (smove, initurn) => {
e71161fb 533 if (this.vr.turn != initurn) {
49dc04f9
BA
534
535console.log(smove);
536
e71161fb 537 // Turn has changed: move is complete
3a2a7b5f 538 if (!smove.fen)
2c5d7b20 539 // NOTE: only FEN of last sub-move is required (=> setting it here)
cc00b83c 540 smove.fen = this.vr.getFen();
3a2a7b5f 541 this.emitFenIfAnalyze();
e71161fb 542 this.inMultimove = false;
f54f4c26 543 this.score = computeScore();
07052665 544 if (this.mode != "analyze" && !navigate) {
de6860ab 545 if (!noemit && this.mode != "analyze") {
5aa14a21 546 // Post-processing (e.g. computer play).
f54f4c26 547 const L = this.moves.length;
5aa14a21
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548 // NOTE: always emit the score, even in unfinished,
549 // to tell Game::processMove() that it's not a received move.
f54f4c26
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550 this.$emit("newmove", this.moves[L-1], { score: this.score });
551 } else {
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552 this.inPlay = false;
553 if (this.stackToPlay.length > 0)
554 // Move(s) arrived in-between
555 this.play(this.stackToPlay.pop(), received, light, noemit);
556 }
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557 }
558 }
559 };
560 // NOTE: navigate and received are mutually exclusive
561 if (navigate) {
562 // The move to navigate to is necessarily full:
563 if (this.cursor == this.moves.length - 1) return; //no more moves
564 move = this.moves[this.cursor + 1];
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565 if (!this.autoplay) {
566 // Just play the move:
567 if (!Array.isArray(move)) move = [move];
568 for (let i=0; i < move.length; i++) this.vr.play(move[i]);
569 if (!light) {
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570 this.lastMove = move;
571 this.incheck = this.vr.getCheckSquares();
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572 this.score = computeScore();
573 this.emitFenIfAnalyze();
574 }
575 this.cursor++;
576 return;
8055eabd 577 }
e71161fb 578 }
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579 playMove();
580 },
581 cancelCurrentMultimove: function() {
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582 const L = this.moves.length;
583 let move = this.moves[L-1];
584 if (!Array.isArray(move)) move = [move];
93ce6119 585 for (let i = move.length - 1; i >= 0; i--) this.vr.undo(move[i]);
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586 this.moves.pop();
587 this.cursor--;
588 this.inMultimove = false;
589 },
590 cancelLastMove: function() {
591 // The last played move was canceled (corr game)
592 this.undo();
593 this.moves.pop();
594 },
595 // "light": if gotoMove() or gotoBegin()
596 undo: function(move, light) {
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597 // Freeze while choices are shown:
598 if (this.$refs["board"].choices.length > 0) return;
93ce6119 599 this.$refs["board"].resetCurrentAttempt();
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600 if (this.inMultimove) {
601 this.cancelCurrentMultimove();
af34341d 602 this.incheck = this.vr.getCheckSquares();
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603 } else {
604 if (!move) {
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605 const minCursor =
606 this.moves.length > 0 && this.moves[0].notation == "..."
607 ? 1
608 : 0;
609 if (this.cursor < minCursor) return; //no more moves
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610 move = this.moves[this.cursor];
611 }
93ce6119 612 this.$refs["board"].resetCurrentAttempt();
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613 undoMove(move, this.vr);
614 if (light) this.cursor--;
615 else {
616 this.positionCursorTo(this.cursor - 1);
af34341d 617 this.incheck = this.vr.getCheckSquares();
8055eabd 618 this.emitFenIfAnalyze();
63ca2b89 619 }
a6088c90 620 }
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621 },
622 gotoMove: function(index) {
a6836242 623 if (this.$refs["board"].choices.length > 0) return;
93ce6119 624 this.$refs["board"].resetCurrentAttempt();
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625 if (this.inMultimove) this.cancelCurrentMultimove();
626 if (index == this.cursor) return;
627 if (index < this.cursor) {
628 while (this.cursor > index)
629 this.undo(null, null, "light");
630 }
631 else {
632 // index > this.cursor)
633 while (this.cursor < index)
634 this.play(null, null, "light");
635 }
636 // NOTE: next line also re-assign cursor, but it's very light
637 this.positionCursorTo(index);
af34341d 638 this.incheck = this.vr.getCheckSquares();
8055eabd 639 this.emitFenIfAnalyze();
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640 },
641 gotoBegin: function() {
a6836242 642 if (this.$refs["board"].choices.length > 0) return;
93ce6119 643 this.$refs["board"].resetCurrentAttempt();
e71161fb 644 if (this.inMultimove) this.cancelCurrentMultimove();
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645 const minCursor =
646 this.moves.length > 0 && this.moves[0].notation == "..."
647 ? 1
648 : 0;
649 while (this.cursor >= minCursor) this.undo(null, null, "light");
650 this.lastMove = (minCursor == 1 ? this.moves[0] : null);
af34341d 651 this.incheck = this.vr.getCheckSquares();
8055eabd 652 this.emitFenIfAnalyze();
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653 },
654 gotoEnd: function() {
a6836242 655 if (this.$refs["board"].choices.length > 0) return;
93ce6119 656 this.$refs["board"].resetCurrentAttempt();
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657 if (this.cursor == this.moves.length - 1) return;
658 this.gotoMove(this.moves.length - 1);
8055eabd 659 this.emitFenIfAnalyze();
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660 },
661 flip: function() {
a6836242 662 if (this.$refs["board"].choices.length > 0) return;
0e16cb26 663 this.orientation = V.GetOppCol(this.orientation);
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664 }
665 }
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666};
667</script>
72ccbd67 668
41c80bb6 669<style lang="sass" scoped>
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670[type="checkbox"]#modalEog+div .card
671 min-height: 45px
910d631b 672
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673#baseGame
674 width: 100%
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675 &:focus
676 outline: none
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677
678#gameContainer
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679 margin-left: auto
680 margin-right: auto
cf94b843 681
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682#downloadDiv
683 display: inline-block
684
72ccbd67 685#controls
28b32b4f 686 user-select: none
72ccbd67 687 button
b1e46b33 688 border: none
72ccbd67 689 margin: 0
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690 padding-top: 5px
691 padding-bottom: 5px
692
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693.in-autoplay
694 background-color: #FACF8C
695
feaf1bf7 696img.inline
54ec15eb 697 height: 22px
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698 padding-top: 5px
699 @media screen and (max-width: 767px)
700 height: 18px
910d631b 701
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702#turnIndicator
703 text-align: center
29bc61be 704 font-weight: bold
910d631b 705
72ccbd67 706#boardContainer
cf94b843 707 float: left
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708// TODO: later, maybe, allow movesList of variable width
709// or e.g. between 250 and 350px (but more complicated)
910d631b 710
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711#movesList
712 width: 280px
713 float: left
910d631b 714
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715@media screen and (max-width: 767px)
716 #movesList
717 width: 100%
718 float: none
719 clear: both
72ccbd67 720</style>