| 1 | // TODO: use indexedDB instead of localStorage? (more flexible...) |
| 2 | |
| 3 | Vue.component('my-game', { |
| 4 | data: function() { |
| 5 | return { |
| 6 | vr: null, //object to check moves, store them, FEN.. |
| 7 | mycolor: "w", |
| 8 | possibleMoves: [], //filled after each valid click/dragstart |
| 9 | choices: [], //promotion pieces, or checkered captures... (contain possible pieces) |
| 10 | start: {}, //pixels coordinates + id of starting square (click or drag) |
| 11 | selectedPiece: null, //moving piece (or clicked piece) |
| 12 | conn: null, //socket messages |
| 13 | score: "*", //'*' means 'unfinished' |
| 14 | mode: "idle", //human, computer or idle (when not playing) |
| 15 | oppid: "", //opponent ID in case of HH game |
| 16 | oppConnected: false, |
| 17 | seek: false, |
| 18 | fenStart: "", |
| 19 | }; |
| 20 | }, |
| 21 | render(h) { |
| 22 | let [sizeX,sizeY] = VariantRules.size; |
| 23 | // Precompute hints squares to facilitate rendering |
| 24 | let hintSquares = doubleArray(sizeX, sizeY, false); |
| 25 | this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; }); |
| 26 | let elementArray = []; |
| 27 | let square00 = document.getElementById("sq-0-0"); |
| 28 | let squareWidth = !!square00 |
| 29 | ? parseFloat(window.getComputedStyle(square00).width.slice(0,-2)) |
| 30 | : 0; |
| 31 | const playingHuman = (this.mode == "human"); |
| 32 | const playingComp = (this.mode == "computer"); |
| 33 | let actionArray = [ |
| 34 | h('button', |
| 35 | { |
| 36 | on: { |
| 37 | click: () => { |
| 38 | if (this.seek) |
| 39 | delete localStorage["newgame"]; //cancel game seek |
| 40 | else |
| 41 | { |
| 42 | localStorage["newgame"] = variant; |
| 43 | this.newGame("human"); |
| 44 | } |
| 45 | this.seek = !this.seek; |
| 46 | } |
| 47 | }, |
| 48 | attrs: { "aria-label": 'New game VS human' }, |
| 49 | 'class': { |
| 50 | "tooltip": true, |
| 51 | "seek": this.seek, |
| 52 | "playing": playingHuman, |
| 53 | }, |
| 54 | }, |
| 55 | [h('i', { 'class': { "material-icons": true } }, "accessibility")]), |
| 56 | h('button', |
| 57 | { |
| 58 | on: { click: () => this.newGame("computer") }, |
| 59 | attrs: { "aria-label": 'New game VS computer' }, |
| 60 | 'class': { |
| 61 | "tooltip":true, |
| 62 | "playing": playingComp, |
| 63 | }, |
| 64 | }, |
| 65 | [h('i', { 'class': { "material-icons": true } }, "computer")]) |
| 66 | ]; |
| 67 | if (!!this.vr) |
| 68 | { |
| 69 | if (this.mode == "human") |
| 70 | { |
| 71 | let connectedIndic = h( |
| 72 | 'div', |
| 73 | { |
| 74 | "class": { |
| 75 | "connected": this.oppConnected, |
| 76 | "disconnected": !this.oppConnected, |
| 77 | }, |
| 78 | } |
| 79 | ); |
| 80 | elementArray.push(connectedIndic); |
| 81 | } |
| 82 | let choices = h('div', |
| 83 | { |
| 84 | attrs: { "id": "choices" }, |
| 85 | 'class': { 'row': true }, |
| 86 | style: { |
| 87 | //"position": "relative", |
| 88 | "display": this.choices.length>0?"block":"none", |
| 89 | "top": "-" + ((sizeY/2)*squareWidth+squareWidth/2) + "px", |
| 90 | "width": (this.choices.length * squareWidth) + "px", |
| 91 | "height": squareWidth + "px", |
| 92 | }, |
| 93 | }, |
| 94 | this.choices.map( m => { //a "choice" is a move |
| 95 | return h('div', |
| 96 | { |
| 97 | 'class': { 'board': true }, |
| 98 | style: { |
| 99 | 'width': (100/this.choices.length) + "%", |
| 100 | 'padding-bottom': (100/this.choices.length) + "%", |
| 101 | }, |
| 102 | }, |
| 103 | [h('img', |
| 104 | { |
| 105 | attrs: { "src": '/images/pieces/' + VariantRules.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' }, |
| 106 | 'class': { 'choice-piece': true, 'board': true }, |
| 107 | on: { "click": e => { this.play(m); this.choices=[]; } }, |
| 108 | }) |
| 109 | ] |
| 110 | ); |
| 111 | }) |
| 112 | ); |
| 113 | // Create board element (+ reserves if needed by variant or mode) |
| 114 | let gameDiv = h('div', |
| 115 | { |
| 116 | 'class': { 'game': true }, |
| 117 | }, |
| 118 | [_.range(sizeX).map(i => { |
| 119 | let ci = this.mycolor=='w' ? i : sizeX-i-1; |
| 120 | return h( |
| 121 | 'div', |
| 122 | { |
| 123 | 'class': { |
| 124 | 'row': true, |
| 125 | }, |
| 126 | style: { 'opacity': this.choices.length>0?"0.5":"1" }, |
| 127 | }, |
| 128 | _.range(sizeY).map(j => { |
| 129 | let cj = this.mycolor=='w' ? j : sizeY-j-1; |
| 130 | let elems = []; |
| 131 | if (this.vr.board[ci][cj] != VariantRules.EMPTY) |
| 132 | { |
| 133 | elems.push( |
| 134 | h( |
| 135 | 'img', |
| 136 | { |
| 137 | 'class': { |
| 138 | 'piece': true, |
| 139 | 'ghost': !!this.selectedPiece && this.selectedPiece.parentNode.id == "sq-"+ci+"-"+cj, |
| 140 | }, |
| 141 | attrs: { |
| 142 | src: "/images/pieces/" + VariantRules.getPpath(this.vr.board[ci][cj]) + ".svg", |
| 143 | }, |
| 144 | } |
| 145 | ) |
| 146 | ); |
| 147 | } |
| 148 | if (hintSquares[ci][cj]) |
| 149 | { |
| 150 | elems.push( |
| 151 | h( |
| 152 | 'img', |
| 153 | { |
| 154 | 'class': { |
| 155 | 'mark-square': true, |
| 156 | }, |
| 157 | attrs: { |
| 158 | src: "/images/mark.svg", |
| 159 | }, |
| 160 | } |
| 161 | ) |
| 162 | ); |
| 163 | } |
| 164 | const lm = this.vr.lastMove; |
| 165 | const highlight = !!lm && _.isMatch(lm.end, {x:ci,y:cj}); //&& _.isMatch(lm.start, {x:ci,y:cj}) |
| 166 | return h( |
| 167 | 'div', |
| 168 | { |
| 169 | 'class': { |
| 170 | 'board': true, |
| 171 | 'light-square': !highlight && (i+j)%2==0, |
| 172 | 'dark-square': !highlight && (i+j)%2==1, |
| 173 | 'highlight': highlight, |
| 174 | }, |
| 175 | attrs: { |
| 176 | id: this.getSquareId({x:ci,y:cj}), |
| 177 | }, |
| 178 | }, |
| 179 | elems |
| 180 | ); |
| 181 | }) |
| 182 | ); |
| 183 | }), choices] |
| 184 | ); |
| 185 | actionArray.push( |
| 186 | h('button', |
| 187 | { |
| 188 | on: { click: this.resign }, |
| 189 | attrs: { "aria-label": 'Resign' }, |
| 190 | 'class': { "tooltip":true }, |
| 191 | }, |
| 192 | [h('i', { 'class': { "material-icons": true } }, "flag")]) |
| 193 | ); |
| 194 | elementArray.push(gameDiv); |
| 195 | // if (!!vr.reserve) |
| 196 | // { |
| 197 | // let reserve = h('div', |
| 198 | // {'class':{'game':true}}, [ |
| 199 | // h('div', |
| 200 | // { 'class': { 'row': true }}, |
| 201 | // [ |
| 202 | // h('div', |
| 203 | // {'class':{'board':true}}, |
| 204 | // [h('img',{'class':{"piece":true},attrs:{"src":"/images/pieces/wb.svg"}})] |
| 205 | // ) |
| 206 | // ] |
| 207 | // ) |
| 208 | // ], |
| 209 | // ); |
| 210 | // elementArray.push(reserve); |
| 211 | // } |
| 212 | let eogMessage = "Unfinished"; |
| 213 | switch (this.score) |
| 214 | { |
| 215 | case "1-0": |
| 216 | eogMessage = "White win"; |
| 217 | break; |
| 218 | case "0-1": |
| 219 | eogMessage = "Black win"; |
| 220 | break; |
| 221 | case "1/2": |
| 222 | eogMessage = "Draw"; |
| 223 | break; |
| 224 | } |
| 225 | let elemsOfEog = |
| 226 | [ |
| 227 | h('label', |
| 228 | { |
| 229 | attrs: { "for": "modal-control" }, |
| 230 | "class": { "modal-close": true }, |
| 231 | } |
| 232 | ), |
| 233 | h('h3', |
| 234 | { |
| 235 | "class": { "section": true }, |
| 236 | domProps: { innerHTML: eogMessage }, |
| 237 | } |
| 238 | ) |
| 239 | ]; |
| 240 | if (this.score != "*") |
| 241 | { |
| 242 | elemsOfEog.push( |
| 243 | h('p', //'textarea', //TODO: selectable! |
| 244 | { |
| 245 | domProps: { innerHTML: this.vr.getPGN(this.mycolor, this.score, this.fenStart) }, |
| 246 | //attrs: { "readonly": true }, |
| 247 | } |
| 248 | ) |
| 249 | ); |
| 250 | } |
| 251 | const modalEog = [ |
| 252 | h('input', |
| 253 | { |
| 254 | attrs: { "id": "modal-control", type: "checkbox" }, |
| 255 | "class": { "modal": true }, |
| 256 | }), |
| 257 | h('div', |
| 258 | { |
| 259 | attrs: { "role": "dialog", "aria-labelledby": "dialog-title" }, |
| 260 | }, |
| 261 | [ |
| 262 | h('div', |
| 263 | { |
| 264 | "class": { "card": true, "smallpad": true }, |
| 265 | }, |
| 266 | elemsOfEog |
| 267 | ) |
| 268 | ] |
| 269 | ) |
| 270 | ]; |
| 271 | elementArray = elementArray.concat(modalEog); |
| 272 | } |
| 273 | const modalNewgame = [ |
| 274 | h('input', |
| 275 | { |
| 276 | attrs: { "id": "modal-control2", type: "checkbox" }, |
| 277 | "class": { "modal": true }, |
| 278 | }), |
| 279 | h('div', |
| 280 | { |
| 281 | attrs: { "role": "dialog", "aria-labelledby": "dialog-title" }, |
| 282 | }, |
| 283 | [ |
| 284 | h('div', |
| 285 | { |
| 286 | "class": { "card": true, "smallpad": true }, |
| 287 | }, |
| 288 | [ |
| 289 | h('label', |
| 290 | { |
| 291 | attrs: { "id": "close-newgame", "for": "modal-control2" }, |
| 292 | "class": { "modal-close": true }, |
| 293 | } |
| 294 | ), |
| 295 | h('h3', |
| 296 | { |
| 297 | "class": { "section": true }, |
| 298 | domProps: { innerHTML: "New game" }, |
| 299 | } |
| 300 | ), |
| 301 | h('p', |
| 302 | { |
| 303 | "class": { "section": true }, |
| 304 | domProps: { innerHTML: "Waiting for opponent..." }, |
| 305 | } |
| 306 | ) |
| 307 | ] |
| 308 | ) |
| 309 | ] |
| 310 | ) |
| 311 | ]; |
| 312 | elementArray = elementArray.concat(modalNewgame); |
| 313 | const actions = h('div', |
| 314 | { |
| 315 | attrs: { "id": "actions" }, |
| 316 | 'class': { 'text-center': true }, |
| 317 | }, |
| 318 | actionArray |
| 319 | ); |
| 320 | elementArray.push(actions); |
| 321 | return h( |
| 322 | 'div', |
| 323 | { |
| 324 | 'class': { |
| 325 | "col-sm-12":true, |
| 326 | "col-md-8":true, |
| 327 | "col-md-offset-2":true, |
| 328 | "col-lg-6":true, |
| 329 | "col-lg-offset-3":true, |
| 330 | }, |
| 331 | // NOTE: click = mousedown + mouseup --> what about smartphone?! |
| 332 | on: { |
| 333 | mousedown: this.mousedown, |
| 334 | mousemove: this.mousemove, |
| 335 | mouseup: this.mouseup, |
| 336 | touchdown: this.mousedown, |
| 337 | touchmove: this.mousemove, |
| 338 | touchup: this.mouseup, |
| 339 | }, |
| 340 | }, |
| 341 | elementArray |
| 342 | ); |
| 343 | }, |
| 344 | created: function() { |
| 345 | const url = socketUrl; |
| 346 | const continuation = (localStorage.getItem("variant") === variant); |
| 347 | this.myid = continuation |
| 348 | ? localStorage.getItem("myid") |
| 349 | // random enough (TODO: function) |
| 350 | : (Date.now().toString(36) + Math.random().toString(36).substr(2, 7)).toUpperCase(); |
| 351 | this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant); |
| 352 | const socketOpenListener = () => { |
| 353 | if (continuation) |
| 354 | { |
| 355 | // TODO: check FEN integrity with opponent |
| 356 | const fen = localStorage.getItem("fen"); |
| 357 | const mycolor = localStorage.getItem("mycolor"); |
| 358 | const oppid = localStorage.getItem("oppid"); |
| 359 | const moves = JSON.parse(localStorage.getItem("moves")); |
| 360 | this.newGame("human", fen, mycolor, oppid, moves, true); |
| 361 | // Send ping to server, which answers pong if opponent is connected |
| 362 | this.conn.send(JSON.stringify({code:"ping", oppid:this.oppId})); |
| 363 | } |
| 364 | else if (localStorage.getItem("newgame") === variant) |
| 365 | { |
| 366 | // New game request has been cancelled on disconnect |
| 367 | this.seek = true; |
| 368 | this.newGame("human"); |
| 369 | } |
| 370 | }; |
| 371 | const socketMessageListener = msg => { |
| 372 | const data = JSON.parse(msg.data); |
| 373 | switch (data.code) |
| 374 | { |
| 375 | case "newgame": //opponent found |
| 376 | this.newGame("human", data.fen, data.color, data.oppid); //oppid: opponent socket ID |
| 377 | break; |
| 378 | case "newmove": //..he played! |
| 379 | this.play(data.move, "animate"); |
| 380 | break; |
| 381 | case "pong": //sent when opponent stayed online after we disconnected |
| 382 | this.oppConnected = true; |
| 383 | break; |
| 384 | case "resign": //..you won! |
| 385 | this.endGame(this.mycolor=="w"?"1-0":"0-1"); |
| 386 | break; |
| 387 | // TODO: also use (dis)connect info to count online players |
| 388 | case "connect": |
| 389 | case "disconnect": |
| 390 | if (this.mode == "human" && this.oppid == data.id) |
| 391 | this.oppConnected = (data.code == "connect"); |
| 392 | break; |
| 393 | } |
| 394 | }; |
| 395 | const socketCloseListener = () => { |
| 396 | console.log("Lost connection -- reconnect"); |
| 397 | this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant); |
| 398 | this.conn.addEventListener('open', socketOpenListener); |
| 399 | this.conn.addEventListener('message', socketMessageListener); |
| 400 | this.conn.addEventListener('close', socketCloseListener); |
| 401 | }; |
| 402 | this.conn.onopen = socketOpenListener; |
| 403 | this.conn.onmessage = socketMessageListener; |
| 404 | this.conn.onclose = socketCloseListener; |
| 405 | }, |
| 406 | methods: { |
| 407 | endGame: function(score) { |
| 408 | this.score = score; |
| 409 | let modalBox = document.getElementById("modal-control"); |
| 410 | modalBox.checked = true; |
| 411 | //setTimeout(() => { modalBox.checked = false; }, 2000); //disabled, to show PGN |
| 412 | if (this.mode == "human") |
| 413 | this.clearStorage(); |
| 414 | this.mode = "idle"; |
| 415 | this.oppid = ""; |
| 416 | }, |
| 417 | resign: function() { |
| 418 | if (this.mode == "human" && this.oppConnected) |
| 419 | { |
| 420 | try { |
| 421 | this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid})); |
| 422 | } catch (INVALID_STATE_ERR) { |
| 423 | return; //resign failed for some reason... |
| 424 | } |
| 425 | } |
| 426 | this.endGame(this.mycolor=="w"?"0-1":"1-0"); |
| 427 | }, |
| 428 | setStorage: function() { |
| 429 | localStorage.setItem("myid", this.myid); |
| 430 | localStorage.setItem("variant", variant); |
| 431 | localStorage.setItem("mycolor", this.mycolor); |
| 432 | localStorage.setItem("oppid", this.oppid); |
| 433 | localStorage.setItem("fenStart", this.fenStart); |
| 434 | localStorage.setItem("moves", JSON.stringify(this.vr.moves)); |
| 435 | localStorage.setItem("fen", this.vr.getFen()); |
| 436 | }, |
| 437 | updateStorage: function() { |
| 438 | localStorage.setItem("moves", JSON.stringify(this.vr.moves)); |
| 439 | localStorage.setItem("fen", this.vr.getFen()); |
| 440 | }, |
| 441 | clearStorage: function() { |
| 442 | delete localStorage["variant"]; |
| 443 | delete localStorage["myid"]; |
| 444 | delete localStorage["mycolor"]; |
| 445 | delete localStorage["oppid"]; |
| 446 | delete localStorage["fenStart"]; |
| 447 | delete localStorage["fen"]; |
| 448 | delete localStorage["moves"]; |
| 449 | }, |
| 450 | newGame: function(mode, fenInit, color, oppId, moves, continuation) { |
| 451 | const fen = fenInit || VariantRules.GenRandInitFen(); |
| 452 | console.log(fen); //DEBUG |
| 453 | this.score = "*"; |
| 454 | if (mode=="human" && !oppId) |
| 455 | { |
| 456 | // Send game request and wait.. |
| 457 | this.clearStorage(); //in case of |
| 458 | try { |
| 459 | this.conn.send(JSON.stringify({code:"newgame", fen:fen})); |
| 460 | } catch (INVALID_STATE_ERR) { |
| 461 | return; //nothing achieved |
| 462 | } |
| 463 | let modalBox = document.getElementById("modal-control2"); |
| 464 | modalBox.checked = true; |
| 465 | setTimeout(() => { modalBox.checked = false; }, 2000); |
| 466 | return; |
| 467 | } |
| 468 | this.vr = new VariantRules(fen, moves || []); |
| 469 | this.mode = mode; |
| 470 | this.fenStart = continuation |
| 471 | ? localStorage.getItem("fenStart") |
| 472 | : fen.split(" ")[0]; //Only the position matters |
| 473 | if (mode=="human") |
| 474 | { |
| 475 | // Opponent found! |
| 476 | if (!continuation) |
| 477 | { |
| 478 | // Playing sound fails on game continuation: |
| 479 | new Audio("/sounds/newgame.mp3").play(); |
| 480 | document.getElementById("modal-control2").checked = false; |
| 481 | } |
| 482 | this.oppid = oppId; |
| 483 | this.oppConnected = true; |
| 484 | this.mycolor = color; |
| 485 | this.seek = false; |
| 486 | delete localStorage["newgame"]; |
| 487 | this.setStorage(); //in case of interruptions |
| 488 | } |
| 489 | else //against computer |
| 490 | { |
| 491 | this.mycolor = Math.random() < 0.5 ? 'w' : 'b'; |
| 492 | if (this.mycolor == 'b') |
| 493 | setTimeout(this.playComputerMove, 500); |
| 494 | } |
| 495 | }, |
| 496 | playComputerMove: function() { |
| 497 | const compColor = this.mycolor=='w' ? 'b' : 'w'; |
| 498 | const compMove = this.vr.getComputerMove(compColor); |
| 499 | // HACK: avoid selecting elements before they appear on page: |
| 500 | setTimeout(() => this.play(compMove, "animate"), 500); |
| 501 | }, |
| 502 | // Get the identifier of a HTML table cell from its numeric coordinates o.x,o.y. |
| 503 | getSquareId: function(o) { |
| 504 | // NOTE: a separator is required to allow any size of board |
| 505 | return "sq-" + o.x + "-" + o.y; |
| 506 | }, |
| 507 | // Inverse function |
| 508 | getSquareFromId: function(id) { |
| 509 | let idParts = id.split('-'); |
| 510 | return [parseInt(idParts[1]), parseInt(idParts[2])]; |
| 511 | }, |
| 512 | mousedown: function(e) { |
| 513 | e = e || window.event; |
| 514 | e.preventDefault(); //disable native drag & drop |
| 515 | if (!this.selectedPiece && e.target.classList.contains("piece")) |
| 516 | { |
| 517 | // Next few lines to center the piece on mouse cursor |
| 518 | let rect = e.target.parentNode.getBoundingClientRect(); |
| 519 | this.start = { |
| 520 | x: rect.x + rect.width/2, |
| 521 | y: rect.y + rect.width/2, |
| 522 | id: e.target.parentNode.id |
| 523 | }; |
| 524 | this.selectedPiece = e.target.cloneNode(); |
| 525 | this.selectedPiece.style.position = "absolute"; |
| 526 | this.selectedPiece.style.top = 0; |
| 527 | this.selectedPiece.style.display = "inline-block"; |
| 528 | this.selectedPiece.style.zIndex = 3000; |
| 529 | let startSquare = this.getSquareFromId(e.target.parentNode.id); |
| 530 | this.possibleMoves = this.vr.canIplay(this.mycolor,startSquare) |
| 531 | ? this.vr.getPossibleMovesFrom(startSquare) |
| 532 | : []; |
| 533 | e.target.parentNode.appendChild(this.selectedPiece); |
| 534 | } |
| 535 | }, |
| 536 | mousemove: function(e) { |
| 537 | if (!this.selectedPiece) |
| 538 | return; |
| 539 | e = e || window.event; |
| 540 | // If there is an active element, move it around |
| 541 | if (!!this.selectedPiece) |
| 542 | { |
| 543 | this.selectedPiece.style.left = (e.clientX-this.start.x) + "px"; |
| 544 | this.selectedPiece.style.top = (e.clientY-this.start.y) + "px"; |
| 545 | } |
| 546 | }, |
| 547 | mouseup: function(e) { |
| 548 | if (!this.selectedPiece) |
| 549 | return; |
| 550 | e = e || window.event; |
| 551 | // Read drop target (or parentElement, parentNode... if type == "img") |
| 552 | this.selectedPiece.style.zIndex = -3000; //HACK to find square from final coordinates |
| 553 | let landing = document.elementFromPoint(e.clientX, e.clientY); |
| 554 | this.selectedPiece.style.zIndex = 3000; |
| 555 | while (landing.tagName == "IMG") //classList.contains(piece) fails because of mark/highlight |
| 556 | landing = landing.parentNode; |
| 557 | if (this.start.id == landing.id) //a click: selectedPiece and possibleMoves already filled |
| 558 | return; |
| 559 | // OK: process move attempt |
| 560 | let endSquare = this.getSquareFromId(landing.id); |
| 561 | let moves = this.findMatchingMoves(endSquare); |
| 562 | this.possibleMoves = []; |
| 563 | if (moves.length > 1) |
| 564 | this.choices = moves; |
| 565 | else if (moves.length==1) |
| 566 | this.play(moves[0]); |
| 567 | // Else: impossible move |
| 568 | this.selectedPiece.parentNode.removeChild(this.selectedPiece); |
| 569 | delete this.selectedPiece; |
| 570 | this.selectedPiece = null; |
| 571 | }, |
| 572 | findMatchingMoves: function(endSquare) { |
| 573 | // Run through moves list and return the matching set (if promotions...) |
| 574 | let moves = []; |
| 575 | this.possibleMoves.forEach(function(m) { |
| 576 | if (endSquare[0] == m.end.x && endSquare[1] == m.end.y) |
| 577 | moves.push(m); |
| 578 | }); |
| 579 | return moves; |
| 580 | }, |
| 581 | animateMove: function(move) { |
| 582 | let startSquare = document.getElementById(this.getSquareId(move.start)); |
| 583 | let endSquare = document.getElementById(this.getSquareId(move.end)); |
| 584 | let rectStart = startSquare.getBoundingClientRect(); |
| 585 | let rectEnd = endSquare.getBoundingClientRect(); |
| 586 | let translation = {x:rectEnd.x-rectStart.x, y:rectEnd.y-rectStart.y}; |
| 587 | let movingPiece = document.querySelector("#" + this.getSquareId(move.start) + " > img.piece"); |
| 588 | // HACK for animation (otherwise with positive translate, image slides "under background"...) |
| 589 | // Possible improvement: just alter squares on the piece's way... |
| 590 | squares = document.getElementsByClassName("board"); |
| 591 | for (let i=0; i<squares.length; i++) |
| 592 | { |
| 593 | let square = squares.item(i); |
| 594 | if (square.id != this.getSquareId(move.start)) |
| 595 | square.style.zIndex = "-1"; |
| 596 | } |
| 597 | movingPiece.style.transform = "translate(" + translation.x + "px," + translation.y + "px)"; |
| 598 | movingPiece.style.transitionDuration = "0.2s"; |
| 599 | movingPiece.style.zIndex = "3000"; |
| 600 | setTimeout( () => { |
| 601 | for (let i=0; i<squares.length; i++) |
| 602 | squares.item(i).style.zIndex = "auto"; |
| 603 | movingPiece.style = {}; //required e.g. for 0-0 with KR swap |
| 604 | this.play(move); |
| 605 | }, 200); |
| 606 | }, |
| 607 | play: function(move, programmatic) { |
| 608 | if (!!programmatic) //computer or human opponent |
| 609 | { |
| 610 | this.animateMove(move); |
| 611 | return; |
| 612 | } |
| 613 | // Not programmatic, or animation is over |
| 614 | if (this.mode == "human" && this.vr.turn == this.mycolor) |
| 615 | { |
| 616 | if (!this.oppConnected) |
| 617 | return; //abort move if opponent is gone |
| 618 | try { |
| 619 | this.conn.send(JSON.stringify({code:"newmove", move:move, oppid:this.oppid})); |
| 620 | } catch(INVALID_STATE_ERR) { |
| 621 | return; //abort also if sending failed |
| 622 | } |
| 623 | } |
| 624 | new Audio("/sounds/chessmove1.mp3").play(); |
| 625 | this.vr.play(move, "ingame"); |
| 626 | if (this.mode == "human") |
| 627 | this.updateStorage(); //after our moves and opponent moves |
| 628 | const eog = this.vr.checkGameOver(this.vr.turn); |
| 629 | if (eog != "*") |
| 630 | this.endGame(eog); |
| 631 | else if (this.mode == "computer" && this.vr.turn != this.mycolor) |
| 632 | setTimeout(this.playComputerMove, 500); |
| 633 | }, |
| 634 | }, |
| 635 | }) |