Add a few questions...
[vchess.git] / public / javascripts / components / game.js
CommitLineData
a29d9d6b 1// TODO: use indexedDB instead of localStorage? (more flexible: allow several games)
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2Vue.component('my-game', {
3 data: function() {
4 return {
5 vr: null, //object to check moves, store them, FEN..
6 mycolor: "w",
7 possibleMoves: [], //filled after each valid click/dragstart
8 choices: [], //promotion pieces, or checkered captures... (contain possible pieces)
9 start: {}, //pixels coordinates + id of starting square (click or drag)
10 selectedPiece: null, //moving piece (or clicked piece)
11 conn: null, //socket messages
dfb4afc1 12 score: "*", //'*' means 'unfinished'
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13 mode: "idle", //human, computer or idle (when not playing)
14 oppid: "", //opponent ID in case of HH game
15 oppConnected: false,
186516b8 16 seek: false,
762b7c9c 17 fenStart: "",
4b5fe306 18 incheck: [],
3ed62725 19 expert: document.cookie.length>0 ? document.cookie.substr(-1)=="1" : false,
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20 };
21 },
22 render(h) {
23 let [sizeX,sizeY] = VariantRules.size;
24 // Precompute hints squares to facilitate rendering
25 let hintSquares = doubleArray(sizeX, sizeY, false);
26 this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; });
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27 // Also precompute in-check squares
28 let incheckSq = doubleArray(sizeX, sizeY, false);
29 this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; });
1d184b4c 30 let elementArray = [];
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31 const playingHuman = (this.mode == "human");
32 const playingComp = (this.mode == "computer");
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33 let actionArray = [
34 h('button',
35 {
f3802fcd 36 on: { click: this.clickGameSeek },
1d184b4c 37 attrs: { "aria-label": 'New game VS human' },
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38 'class': {
39 "tooltip": true,
0706ea91 40 "bottom": true, //display below
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41 "seek": this.seek,
42 "playing": playingHuman,
43 },
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44 },
45 [h('i', { 'class': { "material-icons": true } }, "accessibility")]),
46 h('button',
47 {
f3802fcd 48 on: { click: this.clickComputerGame },
1d184b4c 49 attrs: { "aria-label": 'New game VS computer' },
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50 'class': {
51 "tooltip":true,
0706ea91 52 "bottom": true,
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53 "playing": playingComp,
54 },
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55 },
56 [h('i', { 'class': { "material-icons": true } }, "computer")])
57 ];
58 if (!!this.vr)
59 {
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60 const square00 = document.getElementById("sq-0-0");
61 const squareWidth = !!square00
62 ? parseFloat(window.getComputedStyle(square00).width.slice(0,-2))
63 : 0;
64 const indicWidth = (squareWidth>0 ? squareWidth/2 : 20);
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65 if (this.mode == "human")
66 {
67 let connectedIndic = h(
68 'div',
69 {
70 "class": {
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71 "topindicator": true,
72 "indic-left": true,
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73 "connected": this.oppConnected,
74 "disconnected": !this.oppConnected,
75 },
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76 style: {
77 "width": indicWidth + "px",
78 "height": indicWidth + "px",
79 },
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80 }
81 );
82 elementArray.push(connectedIndic);
83 }
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84 let turnIndic = h(
85 'div',
86 {
87 "class": {
88 "topindicator": true,
89 "indic-right": true,
90 "white-turn": this.vr.turn=="w",
91 "black-turn": this.vr.turn=="b",
92 },
93 style: {
94 "width": indicWidth + "px",
95 "height": indicWidth + "px",
96 },
97 }
98 );
99 elementArray.push(turnIndic);
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100 let expertSwitch = h(
101 'button',
102 {
103 on: { click: this.toggleExpertMode },
104 attrs: { "aria-label": 'Toggle expert mode' },
105 'class': {
106 "tooltip":true,
107 "topindicator": true,
108 "indic-right": true,
109 "expert-switch": true,
110 "expert-mode": this.expert,
111 },
112 },
113 [h('i', { 'class': { "material-icons": true } }, "remove_red_eye")]
114 );
115 elementArray.push(expertSwitch);
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116 let choices = h('div',
117 {
118 attrs: { "id": "choices" },
119 'class': { 'row': true },
120 style: {
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121 "display": this.choices.length>0?"block":"none",
122 "top": "-" + ((sizeY/2)*squareWidth+squareWidth/2) + "px",
123 "width": (this.choices.length * squareWidth) + "px",
124 "height": squareWidth + "px",
125 },
126 },
127 this.choices.map( m => { //a "choice" is a move
128 return h('div',
129 {
130 'class': { 'board': true },
131 style: {
132 'width': (100/this.choices.length) + "%",
133 'padding-bottom': (100/this.choices.length) + "%",
134 },
135 },
136 [h('img',
137 {
138 attrs: { "src": '/images/pieces/' + VariantRules.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' },
139 'class': { 'choice-piece': true, 'board': true },
140 on: { "click": e => { this.play(m); this.choices=[]; } },
141 })
142 ]
143 );
144 })
145 );
146 // Create board element (+ reserves if needed by variant or mode)
147 let gameDiv = h('div',
148 {
149 'class': { 'game': true },
150 },
151 [_.range(sizeX).map(i => {
152 let ci = this.mycolor=='w' ? i : sizeX-i-1;
153 return h(
154 'div',
155 {
156 'class': {
157 'row': true,
158 },
159 style: { 'opacity': this.choices.length>0?"0.5":"1" },
160 },
161 _.range(sizeY).map(j => {
162 let cj = this.mycolor=='w' ? j : sizeY-j-1;
163 let elems = [];
164 if (this.vr.board[ci][cj] != VariantRules.EMPTY)
165 {
166 elems.push(
167 h(
168 'img',
169 {
170 'class': {
171 'piece': true,
172 'ghost': !!this.selectedPiece && this.selectedPiece.parentNode.id == "sq-"+ci+"-"+cj,
173 },
174 attrs: {
175 src: "/images/pieces/" + VariantRules.getPpath(this.vr.board[ci][cj]) + ".svg",
176 },
177 }
178 )
179 );
180 }
3ed62725 181 if (!this.expert && hintSquares[ci][cj])
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182 {
183 elems.push(
184 h(
185 'img',
186 {
187 'class': {
188 'mark-square': true,
189 },
190 attrs: {
191 src: "/images/mark.svg",
192 },
193 }
194 )
195 );
196 }
30ff6e04 197 const lm = this.vr.lastMove;
e64a4eff 198 const highlight = !!lm && _.isMatch(lm.end, {x:ci,y:cj});
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199 return h(
200 'div',
201 {
202 'class': {
203 'board': true,
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204 'light-square': (i+j)%2==0 && (this.expert || !highlight),
205 'dark-square': (i+j)%2==1 && (this.expert || !highlight),
206 'highlight': !this.expert && highlight,
207 'incheck': !this.expert && incheckSq[ci][cj],
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208 },
209 attrs: {
210 id: this.getSquareId({x:ci,y:cj}),
211 },
212 },
213 elems
214 );
215 })
216 );
217 }), choices]
218 );
219 actionArray.push(
220 h('button',
221 {
222 on: { click: this.resign },
223 attrs: { "aria-label": 'Resign' },
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224 'class': {
225 "tooltip":true,
226 "bottom": true,
227 },
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228 },
229 [h('i', { 'class': { "material-icons": true } }, "flag")])
230 );
231 elementArray.push(gameDiv);
232 // if (!!vr.reserve)
233 // {
234 // let reserve = h('div',
235 // {'class':{'game':true}}, [
236 // h('div',
237 // { 'class': { 'row': true }},
238 // [
239 // h('div',
240 // {'class':{'board':true}},
241 // [h('img',{'class':{"piece":true},attrs:{"src":"/images/pieces/wb.svg"}})]
242 // )
243 // ]
244 // )
245 // ],
246 // );
247 // elementArray.push(reserve);
248 // }
f3802fcd 249 const eogMessage = this.getEndgameMessage(this.score);
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250 const modalEog = [
251 h('input',
252 {
ecf44502 253 attrs: { "id": "modal-eog", type: "checkbox" },
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254 "class": { "modal": true },
255 }),
256 h('div',
257 {
258 attrs: { "role": "dialog", "aria-labelledby": "dialog-title" },
259 },
260 [
261 h('div',
262 {
263 "class": { "card": true, "smallpad": true },
264 },
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265 [
266 h('label',
267 {
268 attrs: { "for": "modal-eog" },
269 "class": { "modal-close": true },
270 }
271 ),
272 h('h3',
273 {
274 "class": { "section": true },
275 domProps: { innerHTML: eogMessage },
276 }
277 )
278 ]
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279 )
280 ]
281 )
282 ];
283 elementArray = elementArray.concat(modalEog);
284 }
285 const modalNewgame = [
286 h('input',
287 {
ecf44502 288 attrs: { "id": "modal-newgame", type: "checkbox" },
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289 "class": { "modal": true },
290 }),
291 h('div',
292 {
293 attrs: { "role": "dialog", "aria-labelledby": "dialog-title" },
294 },
295 [
296 h('div',
297 {
298 "class": { "card": true, "smallpad": true },
299 },
300 [
301 h('label',
302 {
ecf44502 303 attrs: { "id": "close-newgame", "for": "modal-newgame" },
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304 "class": { "modal-close": true },
305 }
306 ),
307 h('h3',
308 {
309 "class": { "section": true },
310 domProps: { innerHTML: "New game" },
311 }
312 ),
313 h('p',
314 {
315 "class": { "section": true },
316 domProps: { innerHTML: "Waiting for opponent..." },
317 }
318 )
319 ]
320 )
321 ]
322 )
323 ];
324 elementArray = elementArray.concat(modalNewgame);
325 const actions = h('div',
326 {
327 attrs: { "id": "actions" },
328 'class': { 'text-center': true },
329 },
330 actionArray
331 );
332 elementArray.push(actions);
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333 if (this.score != "*")
334 {
335 elementArray.push(
336 h('div',
01ca2adc 337 { attrs: { id: "pgn-div" } },
01a135e2 338 [
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339 h('a',
340 {
341 attrs: {
342 id: "download",
343 href: "#",
344 }
345 }
346 ),
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347 h('p',
348 {
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349 attrs: { id: "pgn-game" },
350 on: { click: this.download },
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351 domProps: {
352 innerHTML: this.vr.getPGN(this.mycolor, this.score, this.fenStart, this.mode)
353 }
354 }
355 )
356 ]
357 )
358 );
359 }
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360 return h(
361 'div',
362 {
363 'class': {
364 "col-sm-12":true,
365 "col-md-8":true,
366 "col-md-offset-2":true,
367 "col-lg-6":true,
368 "col-lg-offset-3":true,
369 },
370 // NOTE: click = mousedown + mouseup --> what about smartphone?!
371 on: {
372 mousedown: this.mousedown,
373 mousemove: this.mousemove,
374 mouseup: this.mouseup,
375 touchdown: this.mousedown,
376 touchmove: this.mousemove,
377 touchup: this.mouseup,
378 },
379 },
380 elementArray
381 );
382 },
383 created: function() {
384 const url = socketUrl;
385 const continuation = (localStorage.getItem("variant") === variant);
386 this.myid = continuation
387 ? localStorage.getItem("myid")
388 // random enough (TODO: function)
389 : (Date.now().toString(36) + Math.random().toString(36).substr(2, 7)).toUpperCase();
390 this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant);
d35f20e4 391 const socketOpenListener = () => {
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392 if (continuation)
393 {
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394 const fen = localStorage.getItem("fen");
395 const mycolor = localStorage.getItem("mycolor");
396 const oppid = localStorage.getItem("oppid");
397 const moves = JSON.parse(localStorage.getItem("moves"));
398 this.newGame("human", fen, mycolor, oppid, moves, true);
a29d9d6b 399 // Send ping to server (answer pong if opponent is connected)
ecf44502 400 this.conn.send(JSON.stringify({code:"ping",oppid:this.oppid}));
1d184b4c 401 }
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402 else if (localStorage.getItem("newgame") === variant)
403 {
404 // New game request has been cancelled on disconnect
186516b8 405 this.seek = true;
001344b9 406 this.newGame("human", undefined, undefined, undefined, undefined, "reconnect");
30ff6e04 407 }
1d184b4c 408 };
d35f20e4 409 const socketMessageListener = msg => {
1d184b4c 410 const data = JSON.parse(msg.data);
f3802fcd 411 console.log("Receive message: " + data.code);
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412 switch (data.code)
413 {
414 case "newgame": //opponent found
415 this.newGame("human", data.fen, data.color, data.oppid); //oppid: opponent socket ID
416 break;
417 case "newmove": //..he played!
418 this.play(data.move, "animate");
419 break;
f3802fcd 420 case "pong": //received if we sent a ping (game still alive on our side)
1d184b4c 421 this.oppConnected = true;
a29d9d6b 422 const L = this.vr.moves.length;
f3802fcd 423 // Send our "last state" informations to opponent
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424 this.conn.send(JSON.stringify({
425 code:"lastate",
f3802fcd 426 oppid:this.oppid,
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427 lastMove:L>0?this.vr.moves[L-1]:undefined,
428 movesCount:L,
429 }));
1d184b4c 430 break;
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431 case "lastate": //got opponent infos about last move (we might have resigned)
432 if (this.mode!="human" || this.oppid!=data.oppid)
433 {
434 // OK, we resigned
435 this.conn.send(JSON.stringify({
436 code:"lastate",
f3802fcd 437 oppid:this.oppid,
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438 lastMove:undefined,
439 movesCount:-1,
440 }));
441 }
442 else if (data.movesCount < 0)
443 {
444 // OK, he resigned
445 this.endGame(this.mycolor=="w"?"1-0":"0-1");
446 }
447 else if (data.movesCount < this.vr.moves.length)
448 {
449 // We must tell last move to opponent
450 const L = this.vr.moves.length;
451 this.conn.send(JSON.stringify({
452 code:"lastate",
f3802fcd 453 oppid:this.oppid,
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454 lastMove:this.vr.moves[L-1],
455 movesCount:L,
456 }));
457 }
458 else if (data.movesCount > this.vr.moves.length) //just got last move from him
459 this.play(data.lastMove, "animate");
ecf44502 460 break;
1d184b4c 461 case "resign": //..you won!
dfb4afc1 462 this.endGame(this.mycolor=="w"?"1-0":"0-1");
1d184b4c 463 break;
f3802fcd 464 // TODO: also use (dis)connect info to count online players?
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465 case "connect":
466 case "disconnect":
467 if (this.mode == "human" && this.oppid == data.id)
468 this.oppConnected = (data.code == "connect");
469 break;
470 }
471 };
d35f20e4 472 const socketCloseListener = () => {
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473 this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant);
474 this.conn.addEventListener('open', socketOpenListener);
475 this.conn.addEventListener('message', socketMessageListener);
476 this.conn.addEventListener('close', socketCloseListener);
477 };
478 this.conn.onopen = socketOpenListener;
479 this.conn.onmessage = socketMessageListener;
480 this.conn.onclose = socketCloseListener;
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481 },
482 methods: {
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483 download: function() {
484 let content = document.getElementById("pgn-game").innerHTML;
485 content = content.replace(/<br>/g, "\n");
486 // Prepare and trigger download link
487 let downloadAnchor = document.getElementById("download");
488 downloadAnchor.setAttribute("download", "game.pgn");
489 downloadAnchor.href = "data:text/plain;charset=utf-8," + encodeURIComponent(content);
490 downloadAnchor.click();
491 },
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492 endGame: function(score) {
493 this.score = score;
ecf44502 494 let modalBox = document.getElementById("modal-eog");
186516b8 495 modalBox.checked = true;
01a135e2 496 setTimeout(() => { modalBox.checked = false; }, 2000);
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497 if (this.mode == "human")
498 this.clearStorage();
499 this.mode = "idle";
500 this.oppid = "";
501 },
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502 getEndgameMessage: function(score) {
503 let eogMessage = "Unfinished";
504 switch (this.score)
505 {
506 case "1-0":
507 eogMessage = "White win";
508 break;
509 case "0-1":
510 eogMessage = "Black win";
511 break;
512 case "1/2":
513 eogMessage = "Draw";
514 break;
515 }
516 return eogMessage;
517 },
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518 toggleExpertMode: function() {
519 this.expert = !this.expert;
520 document.cookie = "expert=" + (this.expert ? "1" : "0");
521 },
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522 resign: function() {
523 if (this.mode == "human" && this.oppConnected)
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524 {
525 try {
526 this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid}));
527 } catch (INVALID_STATE_ERR) {
a29d9d6b 528 return; //socket is not ready (and not yet reconnected)
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529 }
530 }
dfb4afc1 531 this.endGame(this.mycolor=="w"?"0-1":"1-0");
1d184b4c 532 },
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533 setStorage: function() {
534 localStorage.setItem("myid", this.myid);
535 localStorage.setItem("variant", variant);
536 localStorage.setItem("mycolor", this.mycolor);
537 localStorage.setItem("oppid", this.oppid);
538 localStorage.setItem("fenStart", this.fenStart);
539 localStorage.setItem("moves", JSON.stringify(this.vr.moves));
1d184b4c 540 localStorage.setItem("fen", this.vr.getFen());
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541 },
542 updateStorage: function() {
dfb4afc1 543 localStorage.setItem("moves", JSON.stringify(this.vr.moves));
762b7c9c 544 localStorage.setItem("fen", this.vr.getFen());
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545 },
546 clearStorage: function() {
547 delete localStorage["variant"];
548 delete localStorage["myid"];
549 delete localStorage["mycolor"];
550 delete localStorage["oppid"];
762b7c9c 551 delete localStorage["fenStart"];
1d184b4c 552 delete localStorage["fen"];
dfb4afc1 553 delete localStorage["moves"];
1d184b4c 554 },
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555 clickGameSeek: function() {
556 if (this.mode == "human")
557 return; //no newgame while playing
558 if (this.seek)
01a135e2 559 {
f3802fcd 560 delete localStorage["newgame"]; //cancel game seek
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561 this.seek = false;
562 }
f3802fcd 563 else
f3802fcd 564 this.newGame("human");
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565 },
566 clickComputerGame: function() {
567 if (this.mode == "human")
568 return; //no newgame while playing
569 this.newGame("computer");
570 },
dfb4afc1 571 newGame: function(mode, fenInit, color, oppId, moves, continuation) {
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572 const fen = fenInit || VariantRules.GenRandInitFen();
573 console.log(fen); //DEBUG
dfb4afc1 574 this.score = "*";
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575 if (mode=="human" && !oppId)
576 {
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577 const storageVariant = localStorage.getItem("variant");
578 if (!!storageVariant && storageVariant !== variant)
579 {
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580 alert("Finish your " + storageVariant + " game first!");
581 return;
582 }
1d184b4c 583 // Send game request and wait..
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584 localStorage["newgame"] = variant;
585 this.seek = true;
1d184b4c 586 this.clearStorage(); //in case of
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587 try {
588 this.conn.send(JSON.stringify({code:"newgame", fen:fen}));
589 } catch (INVALID_STATE_ERR) {
590 return; //nothing achieved
591 }
f3802fcd 592 if (continuation !== "reconnect") //TODO: bad HACK...
a68d899d 593 {
ecf44502 594 let modalBox = document.getElementById("modal-newgame");
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595 modalBox.checked = true;
596 setTimeout(() => { modalBox.checked = false; }, 2000);
597 }
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598 return;
599 }
dfb4afc1 600 this.vr = new VariantRules(fen, moves || []);
1d184b4c 601 this.mode = mode;
1fcaa356 602 this.incheck = []; //in case of
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603 this.fenStart = continuation
604 ? localStorage.getItem("fenStart")
605 : fen.split(" ")[0]; //Only the position matters
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606 if (mode=="human")
607 {
608 // Opponent found!
609 if (!continuation)
610 {
ecf44502 611 // Not playing sound on game continuation:
ea8417ff 612 new Audio("/sounds/newgame.mp3").play().then(() => {}).catch(err => {});
ecf44502 613 document.getElementById("modal-newgame").checked = false;
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614 }
615 this.oppid = oppId;
616 this.oppConnected = true;
617 this.mycolor = color;
186516b8 618 this.seek = false;
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619 if (!!moves && moves.length > 0) //imply continuation
620 {
621 const oppCol = this.vr.turn;
622 const lastMove = moves[moves.length-1];
cd4cad04 623 this.vr.undo(lastMove);
4b5fe306 624 this.incheck = this.vr.getCheckSquares(lastMove, oppCol);
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625 this.vr.play(lastMove, "ingame");
626 }
186516b8 627 delete localStorage["newgame"];
762b7c9c 628 this.setStorage(); //in case of interruptions
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629 }
630 else //against computer
631 {
632 this.mycolor = Math.random() < 0.5 ? 'w' : 'b';
633 if (this.mycolor == 'b')
634 setTimeout(this.playComputerMove, 500);
635 }
636 },
637 playComputerMove: function() {
638 const compColor = this.mycolor=='w' ? 'b' : 'w';
639 const compMove = this.vr.getComputerMove(compColor);
640 // HACK: avoid selecting elements before they appear on page:
641 setTimeout(() => this.play(compMove, "animate"), 500);
642 },
643 // Get the identifier of a HTML table cell from its numeric coordinates o.x,o.y.
644 getSquareId: function(o) {
645 // NOTE: a separator is required to allow any size of board
646 return "sq-" + o.x + "-" + o.y;
647 },
648 // Inverse function
649 getSquareFromId: function(id) {
650 let idParts = id.split('-');
651 return [parseInt(idParts[1]), parseInt(idParts[2])];
652 },
653 mousedown: function(e) {
654 e = e || window.event;
655 e.preventDefault(); //disable native drag & drop
656 if (!this.selectedPiece && e.target.classList.contains("piece"))
657 {
658 // Next few lines to center the piece on mouse cursor
659 let rect = e.target.parentNode.getBoundingClientRect();
660 this.start = {
661 x: rect.x + rect.width/2,
662 y: rect.y + rect.width/2,
663 id: e.target.parentNode.id
664 };
665 this.selectedPiece = e.target.cloneNode();
666 this.selectedPiece.style.position = "absolute";
667 this.selectedPiece.style.top = 0;
668 this.selectedPiece.style.display = "inline-block";
669 this.selectedPiece.style.zIndex = 3000;
670 let startSquare = this.getSquareFromId(e.target.parentNode.id);
7d6b0773 671 this.possibleMoves = this.mode!="idle" && this.vr.canIplay(this.mycolor,startSquare)
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672 ? this.vr.getPossibleMovesFrom(startSquare)
673 : [];
674 e.target.parentNode.appendChild(this.selectedPiece);
675 }
676 },
677 mousemove: function(e) {
678 if (!this.selectedPiece)
679 return;
680 e = e || window.event;
681 // If there is an active element, move it around
682 if (!!this.selectedPiece)
683 {
684 this.selectedPiece.style.left = (e.clientX-this.start.x) + "px";
685 this.selectedPiece.style.top = (e.clientY-this.start.y) + "px";
686 }
687 },
688 mouseup: function(e) {
689 if (!this.selectedPiece)
690 return;
691 e = e || window.event;
692 // Read drop target (or parentElement, parentNode... if type == "img")
693 this.selectedPiece.style.zIndex = -3000; //HACK to find square from final coordinates
694 let landing = document.elementFromPoint(e.clientX, e.clientY);
695 this.selectedPiece.style.zIndex = 3000;
696 while (landing.tagName == "IMG") //classList.contains(piece) fails because of mark/highlight
697 landing = landing.parentNode;
698 if (this.start.id == landing.id) //a click: selectedPiece and possibleMoves already filled
699 return;
700 // OK: process move attempt
701 let endSquare = this.getSquareFromId(landing.id);
702 let moves = this.findMatchingMoves(endSquare);
703 this.possibleMoves = [];
704 if (moves.length > 1)
705 this.choices = moves;
706 else if (moves.length==1)
707 this.play(moves[0]);
708 // Else: impossible move
709 this.selectedPiece.parentNode.removeChild(this.selectedPiece);
710 delete this.selectedPiece;
711 this.selectedPiece = null;
712 },
713 findMatchingMoves: function(endSquare) {
714 // Run through moves list and return the matching set (if promotions...)
715 let moves = [];
716 this.possibleMoves.forEach(function(m) {
717 if (endSquare[0] == m.end.x && endSquare[1] == m.end.y)
718 moves.push(m);
719 });
720 return moves;
721 },
722 animateMove: function(move) {
723 let startSquare = document.getElementById(this.getSquareId(move.start));
724 let endSquare = document.getElementById(this.getSquareId(move.end));
725 let rectStart = startSquare.getBoundingClientRect();
726 let rectEnd = endSquare.getBoundingClientRect();
727 let translation = {x:rectEnd.x-rectStart.x, y:rectEnd.y-rectStart.y};
728 let movingPiece = document.querySelector("#" + this.getSquareId(move.start) + " > img.piece");
729 // HACK for animation (otherwise with positive translate, image slides "under background"...)
730 // Possible improvement: just alter squares on the piece's way...
731 squares = document.getElementsByClassName("board");
732 for (let i=0; i<squares.length; i++)
733 {
734 let square = squares.item(i);
735 if (square.id != this.getSquareId(move.start))
736 square.style.zIndex = "-1";
737 }
738 movingPiece.style.transform = "translate(" + translation.x + "px," + translation.y + "px)";
739 movingPiece.style.transitionDuration = "0.2s";
740 movingPiece.style.zIndex = "3000";
741 setTimeout( () => {
742 for (let i=0; i<squares.length; i++)
743 squares.item(i).style.zIndex = "auto";
744 movingPiece.style = {}; //required e.g. for 0-0 with KR swap
745 this.play(move);
746 }, 200);
747 },
748 play: function(move, programmatic) {
749 if (!!programmatic) //computer or human opponent
750 {
751 this.animateMove(move);
752 return;
753 }
e64a4eff 754 const oppCol = this.vr.getOppCol(this.vr.turn);
4b5fe306 755 this.incheck = this.vr.getCheckSquares(move, oppCol); //is opponent in check?
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756 // Not programmatic, or animation is over
757 if (this.mode == "human" && this.vr.turn == this.mycolor)
a29d9d6b 758 this.conn.send(JSON.stringify({code:"newmove", move:move, oppid:this.oppid}));
ea8417ff 759 new Audio("/sounds/chessmove1.mp3").play().then(() => {}).catch(err => {});
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760 this.vr.play(move, "ingame");
761 if (this.mode == "human")
762 this.updateStorage(); //after our moves and opponent moves
763 const eog = this.vr.checkGameOver(this.vr.turn);
764 if (eog != "*")
765 this.endGame(eog);
766 else if (this.mode == "computer" && this.vr.turn != this.mycolor)
767 setTimeout(this.playComputerMove, 500);
768 },
769 },
770})