Update TODO
[vchess.git] / client / src / components / BaseGame.vue
CommitLineData
a6088c90 1<template lang="pug">
e71161fb 2div#baseGame
7e355d68 3 input#modalEog.modal(type="checkbox")
6808d7a1
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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"
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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
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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
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34 button(
35 @click="runAutoplay()"
36 :class="{'in-autoplay': autoplay}"
37 )
38 img.inline(src="/images/icons/autoplay.svg")
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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")
5fc82c80 43 p#fenAnalyze(v-show="showFen") {{ (!!vr ? vr.getFen() : "") }}
cf94b843 44 #movesList
6808d7a1 45 MoveList(
933fd1f9 46 :show="showMoves"
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47 :canAnalyze="canAnalyze"
48 :canDownload="allowDownloadPGN"
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49 :score="game.score"
50 :message="game.scoreMsg"
51 :firstNum="firstMoveNumber"
52 :moves="moves"
53 :cursor="cursor"
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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
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61</template>
62
63<script>
64import Board from "@/components/Board.vue";
f21cd6d9 65import MoveList from "@/components/MoveList.vue";
2c5d7b20 66import params from "@/parameters";
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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
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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"],
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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
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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,
54ec15eb 96 autoplay: false,
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97 inPlay: false,
98 stackToPlay: []
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99 };
100 },
101 computed: {
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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 },
07052665
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115 showFen: function() {
116 return (
117 this.mode == "analyze" &&
118 this.$router.currentRoute.path.indexOf("/analyse") === -1
119 );
120 },
1ef65040 121 // TODO: is it OK to pass "computed" as properties?
6b9378a6 122 // Also, some are seemingly not recomputed when vr is initialized.
a6088c90 123 showMoves: function() {
933fd1f9
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124 return this.game.score != "*"
125 ? "all"
6b9378a6 126 : (!!this.vr ? this.vr.showMoves : "none");
20620465
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127 },
128 showTurn: function() {
71ef1664
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129 return (
130 this.game.score == '*' &&
6b9378a6 131 !!this.vr && (this.vr.showMoves != "all" || !this.vr.canFlip)
71ef1664 132 );
a6088c90 133 },
20620465 134 canAnalyze: function() {
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135 return (
136 this.game.mode != "analyze" &&
137 !!this.vr && this.vr.canAnalyze
138 );
20620465 139 },
71ef1664 140 canFlip: function() {
6b9378a6 141 return !!this.vr && this.vr.canFlip;
71ef1664 142 },
20620465 143 allowDownloadPGN: function() {
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144 return (
145 this.game.score != "*" ||
146 (!!this.vr && this.vr.showMoves == "all")
147 );
6808d7a1 148 }
a6088c90 149 },
4b0384fa 150 created: function() {
b1e46b33 151 if (!!this.game.fenStart) this.re_setVariables();
4b0384fa 152 },
cf94b843 153 mounted: function() {
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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 }
42a92848
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162 document.getElementById("eogDiv")
163 .addEventListener("click", processModalClick);
cf94b843 164 },
54ec15eb 165 beforeDestroy: function() {
5b18515f
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166 // TODO: probably not required
167 this.autoplay = false;
54ec15eb 168 },
a6088c90 169 methods: {
9ca1e26b 170 focusBg: function() {
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171 document.getElementById("baseGame").focus();
172 },
173 handleKeys: function(e) {
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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:
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183 this.gotoBegin();
184 break;
185 case 40:
186 this.gotoEnd();
187 break;
188 case 32:
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189 this.flip();
190 break;
191 }
192 },
dcd68c41 193 handleScroll: function(e) {
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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
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198 resetArrows: function() {
199 // TODO: make arrows scale with board, and remove this
200 this.$refs["board"].cancelResetArrows();
201 },
0e16cb26 202 showRules: function() {
07052665
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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
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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;
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219 if (L == 0) {
220 this.incheck = [];
221 this.score = "*";
222 }
af34341d 223 this.moves.forEach((move,idx) => {
e71161fb
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224 // Strategy working also for multi-moves:
225 if (!Array.isArray(move)) move = [move];
af34341d
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226 const Lm = move.length;
227 move.forEach((m,idxM) => {
e71161fb 228 m.notation = this.vr.getNotation(m);
2c5d7b20 229 m.unambiguous = V.GetUnambiguousNotation(m);
e71161fb 230 this.vr.play(m);
af34341d
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231 const checkSquares = this.vr.getCheckSquares();
232 if (checkSquares.length > 0) m.notation += "+";
07052665 233 if (idxM == Lm - 1) m.fen = this.vr.getFen();
af34341d
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234 if (idx == L - 1 && idxM == Lm - 1) {
235 this.incheck = checkSquares;
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236 this.score = this.vr.getCurrentScore();
237 if (["1-0", "0-1"].includes(this.score)) m.notation += "#";
af34341d 238 }
e71161fb 239 });
d4036efe 240 });
8477e53d 241 if (firstMoveColor == "b") {
311cba76 242 // 'start' & 'end' is required for Board component
6808d7a1 243 this.moves.unshift({
6808d7a1 244 notation: "...",
2c5d7b20 245 unambiguous: "...",
311cba76 246 start: { x: -1, y: -1 },
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247 end: { x: -1, y: -1 },
248 fen: game.fenStart
6808d7a1 249 });
f54f4c26 250 L++;
697ee580 251 }
af34341d 252 this.positionCursorTo(L - 1);
4b0384fa 253 },
e71161fb
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254 positionCursorTo: function(index) {
255 this.cursor = index;
af34341d
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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;
e71161fb 259 },
07052665
BA
260 toggleAnalyze: function() {
261 if (this.mode != "analyze") {
262 // Enter analyze mode:
263 this.gameMode = this.mode; //was not 'analyze'
264 this.mode = "analyze";
265 this.gameCursor = this.cursor;
266 this.gameMoves = JSON.parse(JSON.stringify(this.moves));
267 document.getElementById("analyzeBtn").classList.add("active");
268 }
269 else {
270 // Exit analyze mode:
271 this.mode = this.gameMode ;
272 this.cursor = this.gameCursor;
273 this.moves = this.gameMoves;
274 let fen = this.game.fenStart;
275 if (this.cursor >= 0) {
276 let mv = this.moves[this.cursor];
277 if (!Array.isArray(mv)) mv = [mv];
278 fen = mv[mv.length-1].fen;
279 }
280 this.vr = new V(fen);
0f0552a7 281 this.incheck = this.vr.getCheckSquares();
8aa314fa
BA
282 if (this.cursor >= 0) this.lastMove = this.moves[this.cursor];
283 else this.lastMove = null;
07052665
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284 document.getElementById("analyzeBtn").classList.remove("active");
285 }
603b8a8b 286 },
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287 download: function() {
288 const content = this.getPgn();
289 // Prepare and trigger download link
290 let downloadAnchor = document.getElementById("download");
291 downloadAnchor.setAttribute("download", "game.pgn");
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292 downloadAnchor.href =
293 "data:text/plain;charset=utf-8," + encodeURIComponent(content);
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294 downloadAnchor.click();
295 },
296 getPgn: function() {
297 let pgn = "";
298 pgn += '[Site "vchess.club"]\n';
834c202a 299 pgn += '[Variant "' + this.game.vname + '"]\n';
1ef65040
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300 const gdt = getDate(new Date(this.game.created || Date.now()));
301 pgn += '[Date "' + gdt + '"]\n';
d4036efe
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302 pgn += '[White "' + this.game.players[0].name + '"]\n';
303 pgn += '[Black "' + this.game.players[1].name + '"]\n';
834c202a 304 pgn += '[Fen "' + this.game.fenStart + '"]\n';
2c5d7b20 305 pgn += '[Result "' + this.game.score + '"]\n';
fef153df 306 if (!!this.game.id)
1ef65040 307 pgn += '[Url "' + params.serverUrl + '/game/' + this.game.id + '"]\n';
fef153df
BA
308 if (!!this.game.cadence)
309 pgn += '[Cadence "' + this.game.cadence + '"]\n';
2c5d7b20 310 pgn += '\n';
e71161fb 311 for (let i = 0; i < this.moves.length; i += 2) {
2c5d7b20 312 if (i > 0) pgn += " ";
49dad261
BA
313 // Adjust dots notation for a better display:
314 let fullNotation = getFullNotation(this.moves[i]);
315 if (fullNotation == "...") fullNotation = "..";
6e0c0bcb 316 pgn += (i / 2 + this.firstMoveNumber) + "." + fullNotation;
e71161fb 317 if (i+1 < this.moves.length)
2c5d7b20 318 pgn += " " + getFullNotation(this.moves[i+1]);
a6088c90 319 }
2c5d7b20
BA
320 pgn += "\n\n";
321 for (let i = 0; i < this.moves.length; i += 2) {
6e0c0bcb 322 const moveNumber = i / 2 + this.firstMoveNumber;
1ef65040
BA
323 // Skip "dots move", useless for machine reading:
324 if (this.moves[i].notation != "...") {
325 pgn += moveNumber + ".w " +
326 getFullNotation(this.moves[i], "unambiguous") + "\n";
327 }
49dad261 328 if (i+1 < this.moves.length) {
1ef65040 329 pgn += moveNumber + ".b " +
49dad261
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330 getFullNotation(this.moves[i+1], "unambiguous") + "\n";
331 }
2c5d7b20
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332 }
333 return pgn;
a6088c90 334 },
b988c726
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335 showEndgameMsg: function(message) {
336 this.endgameMessage = message;
aae89b49 337 document.getElementById("modalEog").checked = true;
a6088c90 338 },
54ec15eb 339 runAutoplay: function() {
54ec15eb
BA
340 if (this.autoplay) {
341 this.autoplay = false;
5b18515f
BA
342 if (this.stackToPlay.length > 0)
343 // Move(s) arrived in-between
344 this.play(this.stackToPlay.pop(), "received");
345 }
346 else if (this.cursor < this.moves.length - 1) {
54ec15eb 347 this.autoplay = true;
5fc82c80 348 this.play(null, null, null, "autoplay");
54ec15eb
BA
349 }
350 },
e71161fb 351 // Animate an elementary move
63ca2b89 352 animateMove: function(move, callback) {
a6088c90 353 let startSquare = document.getElementById(getSquareId(move.start));
f9c36b2d 354 if (!startSquare) return; //shouldn't happen but...
a6088c90
BA
355 let endSquare = document.getElementById(getSquareId(move.end));
356 let rectStart = startSquare.getBoundingClientRect();
357 let rectEnd = endSquare.getBoundingClientRect();
6808d7a1
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358 let translation = {
359 x: rectEnd.x - rectStart.x,
360 y: rectEnd.y - rectStart.y
361 };
362 let movingPiece = document.querySelector(
363 "#" + getSquareId(move.start) + " > img.piece"
364 );
efdfb4c7 365 // For some unknown reasons Opera get "movingPiece == null" error
2c5d7b20 366 // TODO: is it calling 'animate()' twice ? One extra time ?
efdfb4c7 367 if (!movingPiece) return;
a6088c90 368 const squares = document.getElementsByClassName("board");
6808d7a1 369 for (let i = 0; i < squares.length; i++) {
a6088c90 370 let square = squares.item(i);
2c5d7b20
BA
371 if (square.id != getSquareId(move.start))
372 // HACK for animation:
373 // (with positive translate, image slides "under background")
374 square.style.zIndex = "-1";
a6088c90 375 }
6808d7a1
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376 movingPiece.style.transform =
377 "translate(" + translation.x + "px," + translation.y + "px)";
910d631b 378 movingPiece.style.transitionDuration = "0.25s";
a6088c90 379 movingPiece.style.zIndex = "3000";
6808d7a1
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380 setTimeout(() => {
381 for (let i = 0; i < squares.length; i++)
a6088c90
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382 squares.item(i).style.zIndex = "auto";
383 movingPiece.style = {}; //required e.g. for 0-0 with KR swap
63ca2b89 384 callback();
a6088c90
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385 }, 250);
386 },
8055eabd
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387 // For Analyse mode:
388 emitFenIfAnalyze: function() {
389 if (this.game.mode == "analyze") {
af34341d
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390 let fen = this.game.fenStart;
391 if (!!this.lastMove) {
392 if (Array.isArray(this.lastMove)) {
393 const L = this.lastMove.length;
394 fen = this.lastMove[L-1].fen;
395 }
396 else fen = this.lastMove.fen;
397 }
398 this.$emit("fenchange", fen);
8055eabd
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399 }
400 },
61656127
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401 clickSquare: function(square) {
402 // Some variants make use of a single click at specific times:
403 const move = this.vr.doClick(square);
404 if (!!move) this.play(move);
405 },
e71161fb 406 // "light": if gotoMove() or gotoEnd()
5fc82c80 407 play: function(move, received, light, autoplay) {
a6836242
BA
408 // Freeze while choices are shown:
409 if (this.$refs["board"].choices.length > 0) return;
d6289b54 410 const navigate = !move;
5fc82c80
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411 // Forbid navigation during autoplay:
412 if (navigate && this.autoplay && !autoplay) return;
d6289b54
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413 // Forbid playing outside analyze mode, except if move is received.
414 // Sufficient condition because Board already knows which turn it is.
415 if (
416 this.mode != "analyze" &&
417 !navigate &&
418 !received &&
419 (this.game.score != "*" || this.cursor < this.moves.length - 1)
420 ) {
421 return;
422 }
423 if (!!received) {
5b18515f
BA
424 if (this.autoplay || this.inPlay) {
425 // Received moves while autoplaying are stacked,
426 // and in observed games they could arrive too fast:
57eb158f
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427 this.stackToPlay.unshift(move);
428 return;
429 }
430 this.inPlay = true;
5b18515f
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431 if (this.mode == "analyze") this.toggleAnalyze();
432 if (this.cursor < this.moves.length - 1)
433 // To play a received move, cursor must be at the end of the game:
434 this.gotoEnd();
57eb158f 435 }
d6289b54
BA
436 // The board may show some the possible moves: (TODO: bad solution)
437 this.$refs["board"].resetCurrentAttempt();
e71161fb 438 const playSubmove = (smove) => {
fbd68f75 439 smove.notation = this.vr.getNotation(smove);
2c5d7b20 440 smove.unambiguous = V.GetUnambiguousNotation(smove);
e71161fb 441 this.vr.play(smove);
07052665 442 if (this.inMultimove && !!this.lastMove) {
af34341d
BA
443 if (!Array.isArray(this.lastMove))
444 this.lastMove = [this.lastMove, smove];
445 else this.lastMove.push(smove);
446 }
7ddfec38 447 // Is opponent (or me) in check?
af34341d
BA
448 this.incheck = this.vr.getCheckSquares();
449 if (this.incheck.length > 0) smove.notation += "+";
fbd68f75 450 if (!this.inMultimove) {
af34341d
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451 // First sub-move:
452 this.lastMove = smove;
54ec15eb
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453 // Condition is "!navigate" but we mean "!this.autoplay"
454 if (!navigate) {
691d6952 455 if (this.cursor < this.moves.length - 1)
54ec15eb
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456 this.moves = this.moves.slice(0, this.cursor + 1);
457 this.moves.push(smove);
458 }
fbd68f75
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459 this.inMultimove = true; //potentially
460 this.cursor++;
54ec15eb 461 } else if (!navigate) {
fbd68f75
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462 // Already in the middle of a multi-move
463 const L = this.moves.length;
464 if (!Array.isArray(this.moves[L-1]))
465 this.$set(this.moves, L-1, [this.moves[L-1], smove]);
6e47d367 466 else this.moves[L-1].push(smove);
e71161fb
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467 }
468 };
469 const playMove = () => {
54ec15eb 470 const animate = (
57d9b2c4 471 ["all", "highlight"].includes(V.ShowMoves) &&
54ec15eb
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472 (this.autoplay || !!received)
473 );
e71161fb
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474 if (!Array.isArray(move)) move = [move];
475 let moveIdx = 0;
476 let self = this;
477 const initurn = this.vr.turn;
478 (function executeMove() {
479 const smove = move[moveIdx++];
ad1e629e
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480 // NOTE: condition "smove.start.x >= 0" required for Dynamo,
481 // because second move may be empty.
482 if (animate && smove.start.x >= 0) {
e71161fb
BA
483 self.animateMove(smove, () => {
484 playSubmove(smove);
5b18515f 485 if (moveIdx < move.length) setTimeout(executeMove, 500);
e71161fb
BA
486 else afterMove(smove, initurn);
487 });
488 } else {
489 playSubmove(smove);
490 if (moveIdx < move.length) executeMove();
491 else afterMove(smove, initurn);
492 }
493 })();
494 };
fbd68f75
BA
495 const computeScore = () => {
496 const score = this.vr.getCurrentScore();
f54f4c26 497 if (!navigate) {
5b18515f 498 if (["1-0", "0-1"].includes(score)) {
af34341d
BA
499 if (Array.isArray(this.lastMove)) {
500 const L = this.lastMove.length;
501 this.lastMove[L - 1].notation += "#";
502 }
503 else this.lastMove.notation += "#";
504 }
f54f4c26 505 }
ff3a8d16 506 if (score != "*" && ["analyze", "versus"].includes(this.mode)) {
fbd68f75 507 const message = getScoreMessage(score);
ff3a8d16 508 // Show score on screen
fbd68f75
BA
509 this.showEndgameMsg(score + " . " + this.st.tr[message]);
510 }
511 return score;
512 };
e71161fb 513 const afterMove = (smove, initurn) => {
e71161fb
BA
514 if (this.vr.turn != initurn) {
515 // Turn has changed: move is complete
3a2a7b5f 516 if (!smove.fen)
2c5d7b20 517 // NOTE: only FEN of last sub-move is required (=> setting it here)
cc00b83c 518 smove.fen = this.vr.getFen();
3a2a7b5f 519 this.emitFenIfAnalyze();
e71161fb 520 this.inMultimove = false;
f54f4c26 521 this.score = computeScore();
5b18515f
BA
522 if (this.autoplay) {
523 if (this.cursor < this.moves.length - 1)
5fc82c80 524 setTimeout(() => this.play(null, null, null, "autoplay"), 1000);
5b18515f
BA
525 else {
526 this.autoplay = false;
527 if (this.stackToPlay.length > 0)
528 // Move(s) arrived in-between
529 this.play(this.stackToPlay.pop(), "received");
530 }
531 }
07052665 532 if (this.mode != "analyze" && !navigate) {
5b18515f 533 if (!received) {
5aa14a21 534 // Post-processing (e.g. computer play).
f54f4c26 535 const L = this.moves.length;
5b18515f 536 // NOTE: always emit the score, even in unfinished
f54f4c26
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537 this.$emit("newmove", this.moves[L-1], { score: this.score });
538 } else {
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539 this.inPlay = false;
540 if (this.stackToPlay.length > 0)
541 // Move(s) arrived in-between
5b18515f 542 this.play(this.stackToPlay.pop(), "received");
57eb158f 543 }
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544 }
545 }
546 };
547 // NOTE: navigate and received are mutually exclusive
548 if (navigate) {
549 // The move to navigate to is necessarily full:
550 if (this.cursor == this.moves.length - 1) return; //no more moves
551 move = this.moves[this.cursor + 1];
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552 if (!this.autoplay) {
553 // Just play the move:
554 if (!Array.isArray(move)) move = [move];
555 for (let i=0; i < move.length; i++) this.vr.play(move[i]);
556 if (!light) {
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557 this.lastMove = move;
558 this.incheck = this.vr.getCheckSquares();
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559 this.score = computeScore();
560 this.emitFenIfAnalyze();
561 }
562 this.cursor++;
563 return;
8055eabd 564 }
e71161fb 565 }
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566 playMove();
567 },
568 cancelCurrentMultimove: function() {
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569 const L = this.moves.length;
570 let move = this.moves[L-1];
571 if (!Array.isArray(move)) move = [move];
93ce6119 572 for (let i = move.length - 1; i >= 0; i--) this.vr.undo(move[i]);
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573 this.moves.pop();
574 this.cursor--;
575 this.inMultimove = false;
576 },
577 cancelLastMove: function() {
578 // The last played move was canceled (corr game)
579 this.undo();
580 this.moves.pop();
581 },
582 // "light": if gotoMove() or gotoBegin()
583 undo: function(move, light) {
a6836242 584 // Freeze while choices are shown:
5fc82c80 585 if (this.$refs["board"].choices.length > 0 || this.autoplay) return;
93ce6119 586 this.$refs["board"].resetCurrentAttempt();
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587 if (this.inMultimove) {
588 this.cancelCurrentMultimove();
af34341d 589 this.incheck = this.vr.getCheckSquares();
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590 } else {
591 if (!move) {
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592 const minCursor =
593 this.moves.length > 0 && this.moves[0].notation == "..."
594 ? 1
595 : 0;
596 if (this.cursor < minCursor) return; //no more moves
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597 move = this.moves[this.cursor];
598 }
93ce6119 599 this.$refs["board"].resetCurrentAttempt();
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600 undoMove(move, this.vr);
601 if (light) this.cursor--;
602 else {
603 this.positionCursorTo(this.cursor - 1);
af34341d 604 this.incheck = this.vr.getCheckSquares();
8055eabd 605 this.emitFenIfAnalyze();
63ca2b89 606 }
a6088c90 607 }
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608 },
609 gotoMove: function(index) {
5fc82c80 610 if (this.$refs["board"].choices.length > 0 || this.autoplay) return;
93ce6119 611 this.$refs["board"].resetCurrentAttempt();
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612 if (this.inMultimove) this.cancelCurrentMultimove();
613 if (index == this.cursor) return;
614 if (index < this.cursor) {
615 while (this.cursor > index)
616 this.undo(null, null, "light");
617 }
618 else {
619 // index > this.cursor)
620 while (this.cursor < index)
621 this.play(null, null, "light");
622 }
623 // NOTE: next line also re-assign cursor, but it's very light
624 this.positionCursorTo(index);
af34341d 625 this.incheck = this.vr.getCheckSquares();
8055eabd 626 this.emitFenIfAnalyze();
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627 },
628 gotoBegin: function() {
5fc82c80 629 if (this.$refs["board"].choices.length > 0 || this.autoplay) return;
93ce6119 630 this.$refs["board"].resetCurrentAttempt();
e71161fb 631 if (this.inMultimove) this.cancelCurrentMultimove();
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632 const minCursor =
633 this.moves.length > 0 && this.moves[0].notation == "..."
634 ? 1
635 : 0;
636 while (this.cursor >= minCursor) this.undo(null, null, "light");
637 this.lastMove = (minCursor == 1 ? this.moves[0] : null);
af34341d 638 this.incheck = this.vr.getCheckSquares();
8055eabd 639 this.emitFenIfAnalyze();
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640 },
641 gotoEnd: function() {
5fc82c80 642 if (this.$refs["board"].choices.length > 0 || this.autoplay) return;
93ce6119 643 this.$refs["board"].resetCurrentAttempt();
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644 if (this.cursor == this.moves.length - 1) return;
645 this.gotoMove(this.moves.length - 1);
8055eabd 646 this.emitFenIfAnalyze();
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647 },
648 flip: function() {
a6836242 649 if (this.$refs["board"].choices.length > 0) return;
0e16cb26 650 this.orientation = V.GetOppCol(this.orientation);
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651 }
652 }
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653};
654</script>
72ccbd67 655
41c80bb6 656<style lang="sass" scoped>
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657[type="checkbox"]#modalEog+div .card
658 min-height: 45px
a06fc4ba 659 max-width: 350px
910d631b 660
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661#baseGame
662 width: 100%
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663 &:focus
664 outline: none
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665
666#gameContainer
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667 margin-left: auto
668 margin-right: auto
cf94b843 669
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670#downloadDiv
671 display: inline-block
672
72ccbd67 673#controls
28b32b4f 674 user-select: none
72ccbd67 675 button
b1e46b33 676 border: none
72ccbd67 677 margin: 0
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678 padding-top: 5px
679 padding-bottom: 5px
680
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681p#fenAnalyze
682 margin: 5px
683
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684.in-autoplay
685 background-color: #FACF8C
686
feaf1bf7 687img.inline
54ec15eb 688 height: 22px
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689 padding-top: 5px
690 @media screen and (max-width: 767px)
691 height: 18px
910d631b 692
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693#turnIndicator
694 text-align: center
29bc61be 695 font-weight: bold
910d631b 696
72ccbd67 697#boardContainer
cf94b843 698 float: left
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699// TODO: later, maybe, allow movesList of variable width
700// or e.g. between 250 and 350px (but more complicated)
910d631b 701
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702#movesList
703 width: 280px
704 float: left
910d631b 705
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706@media screen and (max-width: 767px)
707 #movesList
708 width: 100%
709 float: none
710 clear: both
72ccbd67 711</style>