Change castle flags. Eightpieces still not OK, but almost
[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
BA
13 Board(
14 :vr="vr"
15 :last-move="lastMove"
20620465
BA
16 :analyze="game.mode=='analyze'"
17 :score="game.score"
6808d7a1
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18 :user-color="game.mycolor"
19 :orientation="orientation"
20 :vname="game.vname"
21 :incheck="incheck"
22 @play-move="play"
23 )
20620465 24 #turnIndicator(v-if="showTurn") {{ turn }}
b1e46b33 25 #controls.button-group
b9a5fe01
BA
26 button(@click="gotoBegin()")
27 img.inline(src="/images/icons/fast-forward_rev.svg")
28 button(@click="undo()")
29 img.inline(src="/images/icons/play_rev.svg")
30 button(v-if="canFlip" @click="flip()")
31 img.inline(src="/images/icons/flip.svg")
32 button(@click="play()")
33 img.inline(src="/images/icons/play.svg")
34 button(@click="gotoEnd()")
35 img.inline(src="/images/icons/fast-forward.svg")
cf94b843 36 #movesList
6808d7a1 37 MoveList(
933fd1f9 38 :show="showMoves"
feaf1bf7
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39 :canAnalyze="canAnalyze"
40 :canDownload="allowDownloadPGN"
6808d7a1
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41 :score="game.score"
42 :message="game.scoreMsg"
43 :firstNum="firstMoveNumber"
44 :moves="moves"
45 :cursor="cursor"
feaf1bf7
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46 @download="download"
47 @showrules="showRules"
48 @analyze="analyzePosition"
6808d7a1
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49 @goto-move="gotoMove"
50 )
41c80bb6 51 .clearer
a6088c90
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52</template>
53
54<script>
55import Board from "@/components/Board.vue";
f21cd6d9 56import MoveList from "@/components/MoveList.vue";
a6088c90
BA
57import { store } from "@/store";
58import { getSquareId } from "@/utils/squareId";
d4036efe 59import { getDate } from "@/utils/datetime";
602d6bef 60import { processModalClick } from "@/utils/modalClick";
77c50966 61import { getScoreMessage } from "@/utils/scoring";
e71161fb
BA
62import { getFullNotation } from "@/utils/notation";
63import { undoMove } from "@/utils/playUndo";
a6088c90 64export default {
6808d7a1 65 name: "my-base-game",
a6088c90
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66 components: {
67 Board,
6808d7a1 68 MoveList
a6088c90 69 },
e71161fb 70 props: ["game"],
a6088c90
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71 data: function() {
72 return {
73 st: store.state,
b7c32f1a 74 // NOTE: all following variables must be reset at the beginning of a game
e71161fb 75 vr: null, //VariantRules object, game state
a6088c90
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76 endgameMessage: "",
77 orientation: "w",
78 score: "*", //'*' means 'unfinished'
b7c32f1a 79 moves: [],
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80 cursor: -1, //index of the move just played
81 lastMove: null,
5157ce0b 82 firstMoveNumber: 0, //for printing
e71161fb 83 incheck: [], //for Board
57eb158f
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84 inMultimove: false,
85 inPlay: false,
86 stackToPlay: []
a6088c90
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87 };
88 },
89 computed: {
90 showMoves: function() {
933fd1f9
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91 return this.game.score != "*"
92 ? "all"
93 : (this.vr ? this.vr.showMoves : "none");
20620465
BA
94 },
95 showTurn: function() {
71ef1664
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96 return (
97 this.game.score == '*' &&
98 this.vr &&
99 (this.vr.showMoves != "all" || !this.vr.canFlip)
100 );
a6088c90 101 },
58ae6be5 102 turn: function() {
71ef1664
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103 if (!this.vr)
104 return "";
105 if (this.vr.showMoves != "all")
106 return this.st.tr[(this.vr.turn == 'w' ? "White" : "Black") + " to move"]
107 // Cannot flip: racing king or circular chess
108 return this.vr.movesCount == 0 && this.game.mycolor == "w"
109 ? this.st.tr["It's your turn!"]
a13cbc0f 110 : "";
58ae6be5 111 },
20620465 112 canAnalyze: function() {
933fd1f9 113 return this.game.mode != "analyze" && this.vr && this.vr.canAnalyze;
20620465 114 },
71ef1664
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115 canFlip: function() {
116 return this.vr && this.vr.canFlip;
117 },
20620465 118 allowDownloadPGN: function() {
933fd1f9 119 return this.game.score != "*" || (this.vr && this.vr.showMoves == "all");
6808d7a1 120 }
a6088c90 121 },
4b0384fa 122 created: function() {
b1e46b33 123 if (!!this.game.fenStart) this.re_setVariables();
4b0384fa 124 },
cf94b843 125 mounted: function() {
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126 if (!("ontouchstart" in window)) {
127 // Desktop browser:
128 const baseGameDiv = document.getElementById("baseGame");
129 baseGameDiv.tabIndex = 0;
130 baseGameDiv.addEventListener("click", this.focusBg);
131 baseGameDiv.addEventListener("keydown", this.handleKeys);
132 baseGameDiv.addEventListener("wheel", this.handleScroll);
133 }
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134 document.getElementById("eogDiv")
135 .addEventListener("click", processModalClick);
cf94b843 136 },
a6088c90 137 methods: {
9ca1e26b 138 focusBg: function() {
9ca1e26b
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139 document.getElementById("baseGame").focus();
140 },
141 handleKeys: function(e) {
6808d7a1
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142 if ([32, 37, 38, 39, 40].includes(e.keyCode)) e.preventDefault();
143 switch (e.keyCode) {
9ca1e26b
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144 case 37:
145 this.undo();
146 break;
147 case 39:
148 this.play();
149 break;
5701c228 150 case 38:
9ca1e26b
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151 this.gotoBegin();
152 break;
153 case 40:
154 this.gotoEnd();
155 break;
156 case 32:
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157 this.flip();
158 break;
159 }
160 },
dcd68c41 161 handleScroll: function(e) {
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162 e.preventDefault();
163 if (e.deltaY < 0) this.undo();
164 else if (e.deltaY > 0) this.play();
dcd68c41 165 },
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166 showRules: function() {
167 //this.$router.push("/variants/" + this.game.vname);
168 window.open("#/variants/" + this.game.vname, "_blank"); //better
169 },
b1e46b33
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170 re_setVariables: function(game) {
171 if (!game) game = this.game; //in case of...
4b0384fa 172 this.endgameMessage = "";
8477e53d 173 // "w": default orientation for observed games
b1e46b33
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174 this.orientation = game.mycolor || "w";
175 this.moves = JSON.parse(JSON.stringify(game.moves || []));
e71161fb 176 // Post-processing: decorate each move with notation and FEN
b1e46b33
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177 this.vr = new V(game.fenStart);
178 const parsedFen = V.ParseFen(game.fenStart);
8477e53d
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179 const firstMoveColor = parsedFen.turn;
180 this.firstMoveNumber = Math.floor(parsedFen.movesCount / 2);
d4036efe 181 this.moves.forEach(move => {
e71161fb
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182 // Strategy working also for multi-moves:
183 if (!Array.isArray(move)) move = [move];
184 move.forEach(m => {
185 m.notation = this.vr.getNotation(m);
186 this.vr.play(m);
187 });
d4036efe 188 });
8477e53d 189 if (firstMoveColor == "b") {
311cba76 190 // 'start' & 'end' is required for Board component
6808d7a1 191 this.moves.unshift({
6808d7a1 192 notation: "...",
311cba76 193 start: { x: -1, y: -1 },
3a2a7b5f
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194 end: { x: -1, y: -1 },
195 fen: game.fenStart
6808d7a1 196 });
697ee580 197 }
e71161fb 198 this.positionCursorTo(this.moves.length - 1);
9ef63965 199 this.incheck = this.vr.getCheckSquares(this.vr.turn);
4b0384fa 200 },
e71161fb
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201 positionCursorTo: function(index) {
202 this.cursor = index;
203 // Caution: last move in moves array might be a multi-move
204 if (index >= 0) {
205 if (Array.isArray(this.moves[index])) {
206 const L = this.moves[index].length;
207 this.lastMove = this.moves[index][L - 1];
208 } else {
209 this.lastMove = this.moves[index];
210 }
3a2a7b5f 211 } else this.lastMove = null;
e71161fb 212 },
63ca2b89 213 analyzePosition: function() {
7ba4a5bc 214 let newUrl =
6808d7a1
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215 "/analyse/" +
216 this.game.vname +
217 "/?fen=" +
218 this.vr.getFen().replace(/ /g, "_");
7ba4a5bc
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219 if (this.game.mycolor)
220 newUrl += "&side=" + this.game.mycolor;
910d631b 221 // Open in same tab in live games (against cheating)
6808d7a1 222 if (this.game.type == "live") this.$router.push(newUrl);
910d631b 223 else window.open("#" + newUrl);
603b8a8b 224 },
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225 download: function() {
226 const content = this.getPgn();
227 // Prepare and trigger download link
228 let downloadAnchor = document.getElementById("download");
229 downloadAnchor.setAttribute("download", "game.pgn");
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230 downloadAnchor.href =
231 "data:text/plain;charset=utf-8," + encodeURIComponent(content);
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232 downloadAnchor.click();
233 },
234 getPgn: function() {
235 let pgn = "";
236 pgn += '[Site "vchess.club"]\n';
834c202a 237 pgn += '[Variant "' + this.game.vname + '"]\n';
a6088c90 238 pgn += '[Date "' + getDate(new Date()) + '"]\n';
d4036efe
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239 pgn += '[White "' + this.game.players[0].name + '"]\n';
240 pgn += '[Black "' + this.game.players[1].name + '"]\n';
834c202a 241 pgn += '[Fen "' + this.game.fenStart + '"]\n';
430a2038 242 pgn += '[Result "' + this.game.score + '"]\n\n';
e71161fb
BA
243 for (let i = 0; i < this.moves.length; i += 2) {
244 pgn += (i/2+1) + "." + getFullNotation(this.moves[i]) + " ";
245 if (i+1 < this.moves.length)
246 pgn += getFullNotation(this.moves[i+1]) + " ";
a6088c90
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247 }
248 return pgn + "\n";
249 },
b988c726
BA
250 showEndgameMsg: function(message) {
251 this.endgameMessage = message;
aae89b49 252 document.getElementById("modalEog").checked = true;
a6088c90 253 },
e71161fb 254 // Animate an elementary move
63ca2b89 255 animateMove: function(move, callback) {
a6088c90 256 let startSquare = document.getElementById(getSquareId(move.start));
f9c36b2d 257 if (!startSquare) return; //shouldn't happen but...
a6088c90
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258 let endSquare = document.getElementById(getSquareId(move.end));
259 let rectStart = startSquare.getBoundingClientRect();
260 let rectEnd = endSquare.getBoundingClientRect();
6808d7a1
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261 let translation = {
262 x: rectEnd.x - rectStart.x,
263 y: rectEnd.y - rectStart.y
264 };
265 let movingPiece = document.querySelector(
266 "#" + getSquareId(move.start) + " > img.piece"
267 );
efdfb4c7
BA
268 // For some unknown reasons Opera get "movingPiece == null" error
269 // TOOO: is it calling 'animate()' twice ? One extra time ?
270 if (!movingPiece) return;
a6088c90
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271 // HACK for animation (with positive translate, image slides "under background")
272 // Possible improvement: just alter squares on the piece's way...
273 const squares = document.getElementsByClassName("board");
6808d7a1 274 for (let i = 0; i < squares.length; i++) {
a6088c90 275 let square = squares.item(i);
6808d7a1 276 if (square.id != getSquareId(move.start)) square.style.zIndex = "-1";
a6088c90 277 }
6808d7a1
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278 movingPiece.style.transform =
279 "translate(" + translation.x + "px," + translation.y + "px)";
910d631b 280 movingPiece.style.transitionDuration = "0.25s";
a6088c90 281 movingPiece.style.zIndex = "3000";
6808d7a1
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282 setTimeout(() => {
283 for (let i = 0; i < squares.length; i++)
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284 squares.item(i).style.zIndex = "auto";
285 movingPiece.style = {}; //required e.g. for 0-0 with KR swap
63ca2b89 286 callback();
a6088c90
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287 }, 250);
288 },
8055eabd
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289 // For Analyse mode:
290 emitFenIfAnalyze: function() {
291 if (this.game.mode == "analyze") {
292 this.$emit(
293 "fenchange",
294 this.lastMove ? this.lastMove.fen : this.game.fenStart
295 );
296 }
297 },
e71161fb 298 // "light": if gotoMove() or gotoEnd()
57eb158f
BA
299 play: function(move, received, light, noemit) {
300 if (!!noemit) {
301 if (this.inPlay) {
302 // Received moves in observed games can arrive too fast:
303 this.stackToPlay.unshift(move);
304 return;
305 }
306 this.inPlay = true;
307 }
9d54ab89 308 const navigate = !move;
e71161fb
BA
309 const playSubmove = (smove) => {
310 if (!navigate) smove.notation = this.vr.getNotation(smove);
311 this.vr.play(smove);
e71161fb
BA
312 // Is opponent in check?
313 this.incheck = this.vr.getCheckSquares(this.vr.turn);
314 if (!navigate) {
315 if (!this.inMultimove) {
316 if (this.cursor < this.moves.length - 1)
8055eabd 317 this.moves = this.moves.slice(0, this.cursor + 1);
e71161fb
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318 this.moves.push(smove);
319 this.inMultimove = true; //potentially
320 this.cursor++;
321 } else {
322 // Already in the middle of a multi-move
323 const L = this.moves.length;
324 if (!Array.isArray(this.moves[L-1]))
325 this.$set(this.moves, L-1, [this.moves[L-1], smove]);
326 else
327 this.$set(this.moves, L-1, this.moves.concat([smove]));
328 }
329 }
330 };
331 const playMove = () => {
7ba4a5bc 332 const animate = V.ShowMoves == "all" && (received || navigate);
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BA
333 if (!Array.isArray(move)) move = [move];
334 let moveIdx = 0;
335 let self = this;
336 const initurn = this.vr.turn;
337 (function executeMove() {
338 const smove = move[moveIdx++];
339 if (animate) {
340 self.animateMove(smove, () => {
341 playSubmove(smove);
342 if (moveIdx < move.length)
343 setTimeout(executeMove, 500);
344 else afterMove(smove, initurn);
345 });
346 } else {
347 playSubmove(smove);
348 if (moveIdx < move.length) executeMove();
349 else afterMove(smove, initurn);
350 }
351 })();
352 };
353 const afterMove = (smove, initurn) => {
e71161fb
BA
354 if (this.vr.turn != initurn) {
355 // Turn has changed: move is complete
3a2a7b5f 356 if (!smove.fen)
cc00b83c
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357 // NOTE: only FEN of last sub-move is required (thus setting it here)
358 smove.fen = this.vr.getFen();
3a2a7b5f
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359 this.lastMove = smove;
360 this.emitFenIfAnalyze();
e71161fb 361 this.inMultimove = false;
5aa14a21
BA
362 if (!noemit) {
363 var score = this.vr.getCurrentScore();
364 if (score != "*" && this.game.mode == "analyze") {
365 const message = getScoreMessage(score);
e533e1ba
BA
366 // Just show score on screen (allow undo)
367 this.showEndgameMsg(score + " . " + this.st.tr[message]);
5aa14a21 368 }
e71161fb
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369 }
370 if (!navigate && this.game.mode != "analyze") {
371 const L = this.moves.length;
57eb158f 372 if (!noemit)
5aa14a21
BA
373 // Post-processing (e.g. computer play).
374 // NOTE: always emit the score, even in unfinished,
375 // to tell Game::processMove() that it's not a received move.
376 this.$emit("newmove", this.moves[L-1], { score: score });
57eb158f
BA
377 else {
378 this.inPlay = false;
379 if (this.stackToPlay.length > 0)
380 // Move(s) arrived in-between
381 this.play(this.stackToPlay.pop(), received, light, noemit);
382 }
e71161fb
BA
383 }
384 }
385 };
386 // NOTE: navigate and received are mutually exclusive
387 if (navigate) {
388 // The move to navigate to is necessarily full:
389 if (this.cursor == this.moves.length - 1) return; //no more moves
390 move = this.moves[this.cursor + 1];
391 if (light) {
392 // Just play the move, nothing else:
393 if (!Array.isArray(move)) move = [move];
394 for (let i=0; i < move.length; i++) this.vr.play(move[i]);
395 }
8055eabd
BA
396 else {
397 playMove();
398 this.emitFenIfAnalyze();
399 }
e71161fb
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400 this.cursor++;
401 return;
402 }
63ca2b89
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403 // Forbid playing outside analyze mode, except if move is received.
404 // Sufficient condition because Board already knows which turn it is.
6808d7a1 405 if (
6808d7a1 406 this.game.mode != "analyze" &&
e71161fb 407 !received &&
6808d7a1
BA
408 (this.game.score != "*" || this.cursor < this.moves.length - 1)
409 ) {
a6088c90
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410 return;
411 }
e71161fb
BA
412 // To play a received move, cursor must be at the end of the game:
413 if (received && this.cursor < this.moves.length - 1)
414 this.gotoEnd();
415 playMove();
416 },
417 cancelCurrentMultimove: function() {
e71161fb
BA
418 const L = this.moves.length;
419 let move = this.moves[L-1];
420 if (!Array.isArray(move)) move = [move];
421 for (let i=move.length -1; i >= 0; i--) this.vr.undo(move[i]);
422 this.moves.pop();
423 this.cursor--;
424 this.inMultimove = false;
425 },
426 cancelLastMove: function() {
427 // The last played move was canceled (corr game)
428 this.undo();
429 this.moves.pop();
430 },
431 // "light": if gotoMove() or gotoBegin()
432 undo: function(move, light) {
433 if (this.inMultimove) {
434 this.cancelCurrentMultimove();
63ca2b89 435 this.incheck = this.vr.getCheckSquares(this.vr.turn);
e71161fb
BA
436 } else {
437 if (!move) {
3a2a7b5f
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438 const minCursor =
439 this.moves.length > 0 && this.moves[0].notation == "..."
440 ? 1
441 : 0;
442 if (this.cursor < minCursor) return; //no more moves
e71161fb
BA
443 move = this.moves[this.cursor];
444 }
445 // Caution; if multi-move, undo all submoves from last to first
446 undoMove(move, this.vr);
447 if (light) this.cursor--;
448 else {
449 this.positionCursorTo(this.cursor - 1);
e71161fb 450 this.incheck = this.vr.getCheckSquares(this.vr.turn);
8055eabd 451 this.emitFenIfAnalyze();
63ca2b89 452 }
a6088c90 453 }
a6088c90
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454 },
455 gotoMove: function(index) {
e71161fb
BA
456 if (this.inMultimove) this.cancelCurrentMultimove();
457 if (index == this.cursor) return;
458 if (index < this.cursor) {
459 while (this.cursor > index)
460 this.undo(null, null, "light");
461 }
462 else {
463 // index > this.cursor)
464 while (this.cursor < index)
465 this.play(null, null, "light");
466 }
467 // NOTE: next line also re-assign cursor, but it's very light
468 this.positionCursorTo(index);
8b405c81 469 this.incheck = this.vr.getCheckSquares(this.vr.turn);
8055eabd 470 this.emitFenIfAnalyze();
a6088c90
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471 },
472 gotoBegin: function() {
e71161fb 473 if (this.inMultimove) this.cancelCurrentMultimove();
3a2a7b5f
BA
474 const minCursor =
475 this.moves.length > 0 && this.moves[0].notation == "..."
476 ? 1
477 : 0;
478 while (this.cursor >= minCursor) this.undo(null, null, "light");
479 this.lastMove = (minCursor == 1 ? this.moves[0] : null);
480 this.incheck = this.vr.getCheckSquares(this.vr.turn);
8055eabd 481 this.emitFenIfAnalyze();
a6088c90
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482 },
483 gotoEnd: function() {
6808d7a1
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484 if (this.cursor == this.moves.length - 1) return;
485 this.gotoMove(this.moves.length - 1);
8055eabd 486 this.emitFenIfAnalyze();
a6088c90
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487 },
488 flip: function() {
0e16cb26 489 this.orientation = V.GetOppCol(this.orientation);
6808d7a1
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490 }
491 }
a6088c90
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492};
493</script>
72ccbd67 494
41c80bb6 495<style lang="sass" scoped>
9a3049f3
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496[type="checkbox"]#modalEog+div .card
497 min-height: 45px
910d631b 498
cf94b843
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499#baseGame
500 width: 100%
4f518610
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501 &:focus
502 outline: none
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503
504#gameContainer
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505 margin-left: auto
506 margin-right: auto
cf94b843 507
ed06d9e9
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508#downloadDiv
509 display: inline-block
510
72ccbd67 511#controls
28b32b4f 512 user-select: none
72ccbd67 513 button
b1e46b33 514 border: none
72ccbd67 515 margin: 0
feaf1bf7
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516 padding-top: 5px
517 padding-bottom: 5px
518
519img.inline
520 height: 24px
521 padding-top: 5px
522 @media screen and (max-width: 767px)
523 height: 18px
910d631b 524
0e16cb26
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525#turnIndicator
526 text-align: center
29bc61be 527 font-weight: bold
910d631b 528
72ccbd67 529#boardContainer
cf94b843 530 float: left
41c80bb6
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531// TODO: later, maybe, allow movesList of variable width
532// or e.g. between 250 and 350px (but more complicated)
910d631b 533
cf94b843
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534#movesList
535 width: 280px
536 float: left
910d631b 537
96e9585a
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538@media screen and (max-width: 767px)
539 #movesList
540 width: 100%
541 float: none
542 clear: both
72ccbd67 543</style>