| 1 | // Game logic on a variant page |
| 2 | Vue.component('my-game', { |
| 3 | props: ["problem"], |
| 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... (as moves) |
| 10 | start: {}, //pixels coordinates + id of starting square (click or drag) |
| 11 | selectedPiece: null, //moving piece (or clicked piece) |
| 12 | conn: null, //socket connection |
| 13 | score: "*", //'*' means 'unfinished' |
| 14 | mode: "idle", //human, friend, computer or idle (when not playing) |
| 15 | oppid: "", //opponent ID in case of HH game |
| 16 | oppConnected: false, |
| 17 | seek: false, |
| 18 | fenStart: "", |
| 19 | incheck: [], |
| 20 | pgnTxt: "", |
| 21 | hints: (getCookie("hints") === "1" ? true : false), |
| 22 | color: getCookie("color", "lichess"), //lichess, chesscom or chesstempo |
| 23 | // sound level: 0 = no sound, 1 = sound only on newgame, 2 = always |
| 24 | sound: parseInt(getCookie("sound", "2")), |
| 25 | }; |
| 26 | }, |
| 27 | watch: { |
| 28 | problem: function(p, pp) { |
| 29 | // 'problem' prop changed: update board state |
| 30 | this.newGame("problem", p.fen, V.ParseFen(p.fen).turn); |
| 31 | }, |
| 32 | }, |
| 33 | render(h) { |
| 34 | const [sizeX,sizeY] = [V.size.x,V.size.y]; |
| 35 | const smallScreen = (window.innerWidth <= 420); |
| 36 | // Precompute hints squares to facilitate rendering |
| 37 | let hintSquares = doubleArray(sizeX, sizeY, false); |
| 38 | this.possibleMoves.forEach(m => { hintSquares[m.end.x][m.end.y] = true; }); |
| 39 | // Also precompute in-check squares |
| 40 | let incheckSq = doubleArray(sizeX, sizeY, false); |
| 41 | this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; }); |
| 42 | let elementArray = []; |
| 43 | let actionArray = []; |
| 44 | actionArray.push( |
| 45 | h('button', |
| 46 | { |
| 47 | on: { click: this.clickGameSeek }, |
| 48 | attrs: { "aria-label": 'New online game' }, |
| 49 | 'class': { |
| 50 | "tooltip": true, |
| 51 | "bottom": true, //display below |
| 52 | "seek": this.seek, |
| 53 | "playing": this.mode == "human", |
| 54 | "small": smallScreen, |
| 55 | }, |
| 56 | }, |
| 57 | [h('i', { 'class': { "material-icons": true } }, "accessibility")]) |
| 58 | ); |
| 59 | if (["idle","computer"].includes(this.mode)) |
| 60 | { |
| 61 | actionArray.push( |
| 62 | h('button', |
| 63 | { |
| 64 | on: { click: this.clickComputerGame }, |
| 65 | attrs: { "aria-label": 'New game VS computer' }, |
| 66 | 'class': { |
| 67 | "tooltip":true, |
| 68 | "bottom": true, |
| 69 | "playing": this.mode == "computer", |
| 70 | "small": smallScreen, |
| 71 | }, |
| 72 | }, |
| 73 | [h('i', { 'class': { "material-icons": true } }, "computer")]) |
| 74 | ); |
| 75 | } |
| 76 | if (["idle","friend"].includes(this.mode)) |
| 77 | { |
| 78 | actionArray.push( |
| 79 | h('button', |
| 80 | { |
| 81 | on: { click: this.clickFriendGame }, |
| 82 | attrs: { "aria-label": 'New IRL game' }, |
| 83 | 'class': { |
| 84 | "tooltip":true, |
| 85 | "bottom": true, |
| 86 | "playing": this.mode == "friend", |
| 87 | "small": smallScreen, |
| 88 | }, |
| 89 | }, |
| 90 | [h('i', { 'class': { "material-icons": true } }, "people")]) |
| 91 | ); |
| 92 | } |
| 93 | if (!!this.vr) |
| 94 | { |
| 95 | const square00 = document.getElementById("sq-0-0"); |
| 96 | const squareWidth = !!square00 |
| 97 | ? parseFloat(window.getComputedStyle(square00).width.slice(0,-2)) |
| 98 | : 0; |
| 99 | const settingsBtnElt = document.getElementById("settingsBtn"); |
| 100 | const indicWidth = !!settingsBtnElt //-2 for border: |
| 101 | ? parseFloat(window.getComputedStyle(settingsBtnElt).height.slice(0,-2)) - 2 |
| 102 | : (smallScreen ? 31 : 37); |
| 103 | if (this.mode == "human") |
| 104 | { |
| 105 | const connectedIndic = h( |
| 106 | 'div', |
| 107 | { |
| 108 | "class": { |
| 109 | "topindicator": true, |
| 110 | "indic-left": true, |
| 111 | "connected": this.oppConnected, |
| 112 | "disconnected": !this.oppConnected, |
| 113 | }, |
| 114 | style: { |
| 115 | "width": indicWidth + "px", |
| 116 | "height": indicWidth + "px", |
| 117 | }, |
| 118 | } |
| 119 | ); |
| 120 | elementArray.push(connectedIndic); |
| 121 | } |
| 122 | const turnIndic = h( |
| 123 | 'div', |
| 124 | { |
| 125 | "class": { |
| 126 | "topindicator": true, |
| 127 | "indic-right": true, |
| 128 | "white-turn": this.vr.turn=="w", |
| 129 | "black-turn": this.vr.turn=="b", |
| 130 | }, |
| 131 | style: { |
| 132 | "width": indicWidth + "px", |
| 133 | "height": indicWidth + "px", |
| 134 | }, |
| 135 | } |
| 136 | ); |
| 137 | elementArray.push(turnIndic); |
| 138 | const settingsBtn = h( |
| 139 | 'button', |
| 140 | { |
| 141 | on: { click: this.showSettings }, |
| 142 | attrs: { |
| 143 | "aria-label": 'Settings', |
| 144 | "id": "settingsBtn", |
| 145 | }, |
| 146 | 'class': { |
| 147 | "tooltip": true, |
| 148 | "topindicator": true, |
| 149 | "indic-right": true, |
| 150 | "settings-btn": !smallScreen, |
| 151 | "settings-btn-small": smallScreen, |
| 152 | }, |
| 153 | }, |
| 154 | [h('i', { 'class': { "material-icons": true } }, "settings")] |
| 155 | ); |
| 156 | elementArray.push(settingsBtn); |
| 157 | if (this.mode == "problem") |
| 158 | { |
| 159 | // Show problem instructions |
| 160 | elementArray.push( |
| 161 | h('div', |
| 162 | { |
| 163 | attrs: { id: "instructions-div" }, |
| 164 | "class": { "section-content": true }, |
| 165 | }, |
| 166 | [ |
| 167 | h('p', |
| 168 | { |
| 169 | attrs: { id: "problem-instructions" }, |
| 170 | domProps: { innerHTML: this.problem.instructions } |
| 171 | } |
| 172 | ) |
| 173 | ] |
| 174 | ) |
| 175 | ); |
| 176 | } |
| 177 | const choices = h('div', |
| 178 | { |
| 179 | attrs: { "id": "choices" }, |
| 180 | 'class': { 'row': true }, |
| 181 | style: { |
| 182 | "display": this.choices.length>0?"block":"none", |
| 183 | "top": "-" + ((sizeY/2)*squareWidth+squareWidth/2) + "px", |
| 184 | "width": (this.choices.length * squareWidth) + "px", |
| 185 | "height": squareWidth + "px", |
| 186 | }, |
| 187 | }, |
| 188 | this.choices.map( m => { //a "choice" is a move |
| 189 | return h('div', |
| 190 | { |
| 191 | 'class': { |
| 192 | 'board': true, |
| 193 | ['board'+sizeY]: true, |
| 194 | }, |
| 195 | style: { |
| 196 | 'width': (100/this.choices.length) + "%", |
| 197 | 'padding-bottom': (100/this.choices.length) + "%", |
| 198 | }, |
| 199 | }, |
| 200 | [h('img', |
| 201 | { |
| 202 | attrs: { "src": '/images/pieces/' + |
| 203 | VariantRules.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' }, |
| 204 | 'class': { 'choice-piece': true }, |
| 205 | on: { "click": e => { this.play(m); this.choices=[]; } }, |
| 206 | }) |
| 207 | ] |
| 208 | ); |
| 209 | }) |
| 210 | ); |
| 211 | // Create board element (+ reserves if needed by variant or mode) |
| 212 | const lm = this.vr.lastMove; |
| 213 | const showLight = this.hints && |
| 214 | (this.mode!="idle" || this.cursor==this.vr.moves.length); |
| 215 | const gameDiv = h('div', |
| 216 | { |
| 217 | 'class': { 'game': true }, |
| 218 | }, |
| 219 | [_.range(sizeX).map(i => { |
| 220 | let ci = this.mycolor=='w' ? i : sizeX-i-1; |
| 221 | return h( |
| 222 | 'div', |
| 223 | { |
| 224 | 'class': { |
| 225 | 'row': true, |
| 226 | }, |
| 227 | style: { 'opacity': this.choices.length>0?"0.5":"1" }, |
| 228 | }, |
| 229 | _.range(sizeY).map(j => { |
| 230 | let cj = this.mycolor=='w' ? j : sizeY-j-1; |
| 231 | let elems = []; |
| 232 | if (this.vr.board[ci][cj] != VariantRules.EMPTY) |
| 233 | { |
| 234 | elems.push( |
| 235 | h( |
| 236 | 'img', |
| 237 | { |
| 238 | 'class': { |
| 239 | 'piece': true, |
| 240 | 'ghost': !!this.selectedPiece |
| 241 | && this.selectedPiece.parentNode.id == "sq-"+ci+"-"+cj, |
| 242 | }, |
| 243 | attrs: { |
| 244 | src: "/images/pieces/" + |
| 245 | VariantRules.getPpath(this.vr.board[ci][cj]) + ".svg", |
| 246 | }, |
| 247 | } |
| 248 | ) |
| 249 | ); |
| 250 | } |
| 251 | if (this.hints && hintSquares[ci][cj]) |
| 252 | { |
| 253 | elems.push( |
| 254 | h( |
| 255 | 'img', |
| 256 | { |
| 257 | 'class': { |
| 258 | 'mark-square': true, |
| 259 | }, |
| 260 | attrs: { |
| 261 | src: "/images/mark.svg", |
| 262 | }, |
| 263 | } |
| 264 | ) |
| 265 | ); |
| 266 | } |
| 267 | return h( |
| 268 | 'div', |
| 269 | { |
| 270 | 'class': { |
| 271 | 'board': true, |
| 272 | ['board'+sizeY]: true, |
| 273 | 'light-square': (i+j)%2==0, |
| 274 | 'dark-square': (i+j)%2==1, |
| 275 | [this.color]: true, |
| 276 | 'highlight': showLight && !!lm && _.isMatch(lm.end, {x:ci,y:cj}), |
| 277 | 'incheck': showLight && incheckSq[ci][cj], |
| 278 | }, |
| 279 | attrs: { |
| 280 | id: this.getSquareId({x:ci,y:cj}), |
| 281 | }, |
| 282 | }, |
| 283 | elems |
| 284 | ); |
| 285 | }) |
| 286 | ); |
| 287 | }), choices] |
| 288 | ); |
| 289 | if (this.mode != "idle") |
| 290 | { |
| 291 | actionArray.push( |
| 292 | h('button', |
| 293 | { |
| 294 | on: { click: this.resign }, |
| 295 | attrs: { "aria-label": 'Resign' }, |
| 296 | 'class': { |
| 297 | "tooltip":true, |
| 298 | "bottom": true, |
| 299 | "small": smallScreen, |
| 300 | }, |
| 301 | }, |
| 302 | [h('i', { 'class': { "material-icons": true } }, "flag")]) |
| 303 | ); |
| 304 | } |
| 305 | else if (this.vr.moves.length > 0) |
| 306 | { |
| 307 | // A game finished, and another is not started yet: allow navigation |
| 308 | actionArray = actionArray.concat([ |
| 309 | h('button', |
| 310 | { |
| 311 | on: { click: e => this.undo() }, |
| 312 | attrs: { "aria-label": 'Undo' }, |
| 313 | "class": { |
| 314 | "small": smallScreen, |
| 315 | "marginleft": true, |
| 316 | }, |
| 317 | }, |
| 318 | [h('i', { 'class': { "material-icons": true } }, "fast_rewind")]), |
| 319 | h('button', |
| 320 | { |
| 321 | on: { click: e => this.play() }, |
| 322 | attrs: { "aria-label": 'Play' }, |
| 323 | "class": { "small": smallScreen }, |
| 324 | }, |
| 325 | [h('i', { 'class': { "material-icons": true } }, "fast_forward")]), |
| 326 | ] |
| 327 | ); |
| 328 | } |
| 329 | if (this.mode == "friend") |
| 330 | { |
| 331 | actionArray = actionArray.concat( |
| 332 | [ |
| 333 | h('button', |
| 334 | { |
| 335 | on: { click: this.undoInGame }, |
| 336 | attrs: { "aria-label": 'Undo' }, |
| 337 | "class": { |
| 338 | "small": smallScreen, |
| 339 | "marginleft": true, |
| 340 | }, |
| 341 | }, |
| 342 | [h('i', { 'class': { "material-icons": true } }, "undo")] |
| 343 | ), |
| 344 | h('button', |
| 345 | { |
| 346 | on: { click: () => { this.mycolor = this.vr.getOppCol(this.mycolor) } }, |
| 347 | attrs: { "aria-label": 'Flip' }, |
| 348 | "class": { "small": smallScreen }, |
| 349 | }, |
| 350 | [h('i', { 'class': { "material-icons": true } }, "cached")] |
| 351 | ), |
| 352 | ]); |
| 353 | } |
| 354 | elementArray.push(gameDiv); |
| 355 | if (!!this.vr.reserve) |
| 356 | { |
| 357 | const shiftIdx = (this.mycolor=="w" ? 0 : 1); |
| 358 | let myReservePiecesArray = []; |
| 359 | for (let i=0; i<VariantRules.RESERVE_PIECES.length; i++) |
| 360 | { |
| 361 | myReservePiecesArray.push(h('div', |
| 362 | { |
| 363 | 'class': {'board':true, ['board'+sizeY]:true}, |
| 364 | attrs: { id: this.getSquareId({x:sizeX+shiftIdx,y:i}) } |
| 365 | }, |
| 366 | [ |
| 367 | h('img', |
| 368 | { |
| 369 | 'class': {"piece":true}, |
| 370 | attrs: { |
| 371 | "src": "/images/pieces/" + |
| 372 | this.vr.getReservePpath(this.mycolor,i) + ".svg", |
| 373 | } |
| 374 | }), |
| 375 | h('sup', |
| 376 | {"class": { "reserve-count": true } }, |
| 377 | [ this.vr.reserve[this.mycolor][VariantRules.RESERVE_PIECES[i]] ] |
| 378 | ) |
| 379 | ])); |
| 380 | } |
| 381 | let oppReservePiecesArray = []; |
| 382 | const oppCol = this.vr.getOppCol(this.mycolor); |
| 383 | for (let i=0; i<VariantRules.RESERVE_PIECES.length; i++) |
| 384 | { |
| 385 | oppReservePiecesArray.push(h('div', |
| 386 | { |
| 387 | 'class': {'board':true, ['board'+sizeY]:true}, |
| 388 | attrs: { id: this.getSquareId({x:sizeX+(1-shiftIdx),y:i}) } |
| 389 | }, |
| 390 | [ |
| 391 | h('img', |
| 392 | { |
| 393 | 'class': {"piece":true}, |
| 394 | attrs: { |
| 395 | "src": "/images/pieces/" + |
| 396 | this.vr.getReservePpath(oppCol,i) + ".svg", |
| 397 | } |
| 398 | }), |
| 399 | h('sup', |
| 400 | {"class": { "reserve-count": true } }, |
| 401 | [ this.vr.reserve[oppCol][VariantRules.RESERVE_PIECES[i]] ] |
| 402 | ) |
| 403 | ])); |
| 404 | } |
| 405 | let reserves = h('div', |
| 406 | { |
| 407 | 'class':{ |
| 408 | 'game': true, |
| 409 | "reserve-div": true, |
| 410 | }, |
| 411 | }, |
| 412 | [ |
| 413 | h('div', |
| 414 | { |
| 415 | 'class': { |
| 416 | 'row': true, |
| 417 | "reserve-row-1": true, |
| 418 | }, |
| 419 | }, |
| 420 | myReservePiecesArray |
| 421 | ), |
| 422 | h('div', |
| 423 | { 'class': { 'row': true }}, |
| 424 | oppReservePiecesArray |
| 425 | ) |
| 426 | ] |
| 427 | ); |
| 428 | elementArray.push(reserves); |
| 429 | } |
| 430 | const modalEog = [ |
| 431 | h('input', |
| 432 | { |
| 433 | attrs: { "id": "modal-eog", type: "checkbox" }, |
| 434 | "class": { "modal": true }, |
| 435 | }), |
| 436 | h('div', |
| 437 | { |
| 438 | attrs: { "role": "dialog", "aria-labelledby": "eogMessage" }, |
| 439 | }, |
| 440 | [ |
| 441 | h('div', |
| 442 | { |
| 443 | "class": { "card": true, "smallpad": true }, |
| 444 | }, |
| 445 | [ |
| 446 | h('label', |
| 447 | { |
| 448 | attrs: { "for": "modal-eog" }, |
| 449 | "class": { "modal-close": true }, |
| 450 | } |
| 451 | ), |
| 452 | h('h3', |
| 453 | { |
| 454 | attrs: { "id": "eogMessage" }, |
| 455 | "class": { "section": true }, |
| 456 | domProps: { innerHTML: this.endgameMessage }, |
| 457 | } |
| 458 | ) |
| 459 | ] |
| 460 | ) |
| 461 | ] |
| 462 | ) |
| 463 | ]; |
| 464 | elementArray = elementArray.concat(modalEog); |
| 465 | } |
| 466 | // NOTE: this modal could be in Pug view (no usage of Vue functions or variables) |
| 467 | const modalNewgame = [ |
| 468 | h('input', |
| 469 | { |
| 470 | attrs: { "id": "modal-newgame", type: "checkbox" }, |
| 471 | "class": { "modal": true }, |
| 472 | }), |
| 473 | h('div', |
| 474 | { |
| 475 | attrs: { "role": "dialog", "aria-labelledby": "newGameTxt" }, |
| 476 | }, |
| 477 | [ |
| 478 | h('div', |
| 479 | { |
| 480 | "class": { "card": true, "smallpad": true }, |
| 481 | }, |
| 482 | [ |
| 483 | h('label', |
| 484 | { |
| 485 | attrs: { "id": "close-newgame", "for": "modal-newgame" }, |
| 486 | "class": { "modal-close": true }, |
| 487 | } |
| 488 | ), |
| 489 | h('h3', |
| 490 | { |
| 491 | attrs: { "id": "newGameTxt" }, |
| 492 | "class": { "section": true }, |
| 493 | domProps: { innerHTML: "New game" }, |
| 494 | } |
| 495 | ), |
| 496 | h('p', |
| 497 | { |
| 498 | "class": { "section": true }, |
| 499 | domProps: { innerHTML: "Waiting for opponent..." }, |
| 500 | } |
| 501 | ) |
| 502 | ] |
| 503 | ) |
| 504 | ] |
| 505 | ) |
| 506 | ]; |
| 507 | elementArray = elementArray.concat(modalNewgame); |
| 508 | const modalFenEdit = [ |
| 509 | h('input', |
| 510 | { |
| 511 | attrs: { "id": "modal-fenedit", type: "checkbox" }, |
| 512 | "class": { "modal": true }, |
| 513 | }), |
| 514 | h('div', |
| 515 | { |
| 516 | attrs: { "role": "dialog", "aria-labelledby": "titleFenedit" }, |
| 517 | }, |
| 518 | [ |
| 519 | h('div', |
| 520 | { |
| 521 | "class": { "card": true, "smallpad": true }, |
| 522 | }, |
| 523 | [ |
| 524 | h('label', |
| 525 | { |
| 526 | attrs: { "id": "close-fenedit", "for": "modal-fenedit" }, |
| 527 | "class": { "modal-close": true }, |
| 528 | } |
| 529 | ), |
| 530 | h('h3', |
| 531 | { |
| 532 | attrs: { "id": "titleFenedit" }, |
| 533 | "class": { "section": true }, |
| 534 | domProps: { innerHTML: "Position + flags (FEN):" }, |
| 535 | } |
| 536 | ), |
| 537 | h('input', |
| 538 | { |
| 539 | attrs: { |
| 540 | "id": "input-fen", |
| 541 | type: "text", |
| 542 | value: VariantRules.GenRandInitFen(), |
| 543 | }, |
| 544 | } |
| 545 | ), |
| 546 | h('button', |
| 547 | { |
| 548 | on: { click: |
| 549 | () => { |
| 550 | const fen = document.getElementById("input-fen").value; |
| 551 | document.getElementById("modal-fenedit").checked = false; |
| 552 | this.newGame("friend", fen); |
| 553 | } |
| 554 | }, |
| 555 | domProps: { innerHTML: "Ok" }, |
| 556 | } |
| 557 | ), |
| 558 | h('button', |
| 559 | { |
| 560 | on: { click: |
| 561 | () => { |
| 562 | document.getElementById("input-fen").value = |
| 563 | VariantRules.GenRandInitFen(); |
| 564 | } |
| 565 | }, |
| 566 | domProps: { innerHTML: "Random" }, |
| 567 | } |
| 568 | ), |
| 569 | ] |
| 570 | ) |
| 571 | ] |
| 572 | ) |
| 573 | ]; |
| 574 | elementArray = elementArray.concat(modalFenEdit); |
| 575 | const modalSettings = [ |
| 576 | h('input', |
| 577 | { |
| 578 | attrs: { "id": "modal-settings", type: "checkbox" }, |
| 579 | "class": { "modal": true }, |
| 580 | }), |
| 581 | h('div', |
| 582 | { |
| 583 | attrs: { "role": "dialog", "aria-labelledby": "settingsTitle" }, |
| 584 | }, |
| 585 | [ |
| 586 | h('div', |
| 587 | { |
| 588 | "class": { "card": true, "smallpad": true }, |
| 589 | }, |
| 590 | [ |
| 591 | h('label', |
| 592 | { |
| 593 | attrs: { "id": "close-settings", "for": "modal-settings" }, |
| 594 | "class": { "modal-close": true }, |
| 595 | } |
| 596 | ), |
| 597 | h('h3', |
| 598 | { |
| 599 | attrs: { "id": "settingsTitle" }, |
| 600 | "class": { "section": true }, |
| 601 | domProps: { innerHTML: "Preferences" }, |
| 602 | } |
| 603 | ), |
| 604 | h('fieldset', |
| 605 | { }, |
| 606 | [ |
| 607 | //h('legend', { domProps: { innerHTML: "Legend title" } }), |
| 608 | h('label', |
| 609 | { |
| 610 | attrs: { for: "setHints" }, |
| 611 | domProps: { innerHTML: "Show hints?" }, |
| 612 | }, |
| 613 | ), |
| 614 | h('input', |
| 615 | { |
| 616 | attrs: { |
| 617 | "id": "setHints", |
| 618 | type: "checkbox", |
| 619 | checked: this.hints, |
| 620 | }, |
| 621 | on: { "change": this.toggleHints }, |
| 622 | } |
| 623 | ), |
| 624 | ] |
| 625 | ), |
| 626 | h('fieldset', |
| 627 | { }, |
| 628 | [ |
| 629 | h('label', |
| 630 | { |
| 631 | attrs: { for: "selectColor" }, |
| 632 | domProps: { innerHTML: "Board colors" }, |
| 633 | }, |
| 634 | ), |
| 635 | h("select", |
| 636 | { |
| 637 | attrs: { "id": "selectColor" }, |
| 638 | on: { "change": this.setColor }, |
| 639 | }, |
| 640 | [ |
| 641 | h("option", |
| 642 | { |
| 643 | domProps: { |
| 644 | "value": "lichess", |
| 645 | innerHTML: "brown" |
| 646 | }, |
| 647 | attrs: { "selected": this.color=="lichess" }, |
| 648 | } |
| 649 | ), |
| 650 | h("option", |
| 651 | { |
| 652 | domProps: { |
| 653 | "value": "chesscom", |
| 654 | innerHTML: "green" |
| 655 | }, |
| 656 | attrs: { "selected": this.color=="chesscom" }, |
| 657 | } |
| 658 | ), |
| 659 | h("option", |
| 660 | { |
| 661 | domProps: { |
| 662 | "value": "chesstempo", |
| 663 | innerHTML: "blue" |
| 664 | }, |
| 665 | attrs: { "selected": this.color=="chesstempo" }, |
| 666 | } |
| 667 | ), |
| 668 | ], |
| 669 | ), |
| 670 | ] |
| 671 | ), |
| 672 | h('fieldset', |
| 673 | { }, |
| 674 | [ |
| 675 | h('label', |
| 676 | { |
| 677 | attrs: { for: "selectSound" }, |
| 678 | domProps: { innerHTML: "Play sounds?" }, |
| 679 | }, |
| 680 | ), |
| 681 | h("select", |
| 682 | { |
| 683 | attrs: { "id": "selectSound" }, |
| 684 | on: { "change": this.setSound }, |
| 685 | }, |
| 686 | [ |
| 687 | h("option", |
| 688 | { |
| 689 | domProps: { |
| 690 | "value": "0", |
| 691 | innerHTML: "None" |
| 692 | }, |
| 693 | attrs: { "selected": this.sound==0 }, |
| 694 | } |
| 695 | ), |
| 696 | h("option", |
| 697 | { |
| 698 | domProps: { |
| 699 | "value": "1", |
| 700 | innerHTML: "Newgame" |
| 701 | }, |
| 702 | attrs: { "selected": this.sound==1 }, |
| 703 | } |
| 704 | ), |
| 705 | h("option", |
| 706 | { |
| 707 | domProps: { |
| 708 | "value": "2", |
| 709 | innerHTML: "All" |
| 710 | }, |
| 711 | attrs: { "selected": this.sound==2 }, |
| 712 | } |
| 713 | ), |
| 714 | ], |
| 715 | ), |
| 716 | ] |
| 717 | ), |
| 718 | ] |
| 719 | ) |
| 720 | ] |
| 721 | ) |
| 722 | ]; |
| 723 | elementArray = elementArray.concat(modalSettings); |
| 724 | const actions = h('div', |
| 725 | { |
| 726 | attrs: { "id": "actions" }, |
| 727 | 'class': { 'text-center': true }, |
| 728 | }, |
| 729 | actionArray |
| 730 | ); |
| 731 | elementArray.push(actions); |
| 732 | if (this.score != "*" && this.pgnTxt.length > 0) |
| 733 | { |
| 734 | elementArray.push( |
| 735 | h('div', |
| 736 | { |
| 737 | attrs: { id: "pgn-div" }, |
| 738 | "class": { "section-content": true }, |
| 739 | }, |
| 740 | [ |
| 741 | h('a', |
| 742 | { |
| 743 | attrs: { |
| 744 | id: "download", |
| 745 | href: "#", |
| 746 | } |
| 747 | } |
| 748 | ), |
| 749 | h('p', |
| 750 | { |
| 751 | attrs: { id: "pgn-game" }, |
| 752 | domProps: { innerHTML: this.pgnTxt } |
| 753 | } |
| 754 | ), |
| 755 | h('button', |
| 756 | { |
| 757 | attrs: { "id": "downloadBtn" }, |
| 758 | on: { click: this.download }, |
| 759 | domProps: { innerHTML: "Download game" }, |
| 760 | } |
| 761 | ), |
| 762 | ] |
| 763 | ) |
| 764 | ); |
| 765 | } |
| 766 | else if (this.mode != "idle") |
| 767 | { |
| 768 | if (this.mode == "problem") |
| 769 | { |
| 770 | // Show problem solution (on click) |
| 771 | elementArray.push( |
| 772 | h('div', |
| 773 | { |
| 774 | attrs: { id: "solution-div" }, |
| 775 | "class": { "section-content": true }, |
| 776 | }, |
| 777 | [ |
| 778 | h('h3', |
| 779 | { |
| 780 | domProps: { innerHTML: "Show solution" }, |
| 781 | on: { click: "toggleShowSolution" } |
| 782 | } |
| 783 | ), |
| 784 | h('p', |
| 785 | { |
| 786 | attrs: { id: "problem-solution" }, |
| 787 | domProps: { innerHTML: this.problem.solution } |
| 788 | } |
| 789 | ) |
| 790 | ] |
| 791 | ) |
| 792 | ); |
| 793 | } |
| 794 | // Show current FEN |
| 795 | elementArray.push( |
| 796 | h('div', |
| 797 | { |
| 798 | attrs: { id: "fen-div" }, |
| 799 | "class": { "section-content": true }, |
| 800 | }, |
| 801 | [ |
| 802 | h('p', |
| 803 | { |
| 804 | attrs: { id: "fen-string" }, |
| 805 | domProps: { innerHTML: this.vr.getBaseFen() } |
| 806 | } |
| 807 | ) |
| 808 | ] |
| 809 | ) |
| 810 | ); |
| 811 | } |
| 812 | return h( |
| 813 | 'div', |
| 814 | { |
| 815 | 'class': { |
| 816 | "col-sm-12":true, |
| 817 | "col-md-8":true, |
| 818 | "col-md-offset-2":true, |
| 819 | "col-lg-6":true, |
| 820 | "col-lg-offset-3":true, |
| 821 | }, |
| 822 | // NOTE: click = mousedown + mouseup |
| 823 | on: { |
| 824 | mousedown: this.mousedown, |
| 825 | mousemove: this.mousemove, |
| 826 | mouseup: this.mouseup, |
| 827 | touchstart: this.mousedown, |
| 828 | touchmove: this.mousemove, |
| 829 | touchend: this.mouseup, |
| 830 | }, |
| 831 | }, |
| 832 | elementArray |
| 833 | ); |
| 834 | }, |
| 835 | computed: { |
| 836 | endgameMessage: function() { |
| 837 | let eogMessage = "Unfinished"; |
| 838 | switch (this.score) |
| 839 | { |
| 840 | case "1-0": |
| 841 | eogMessage = "White win"; |
| 842 | break; |
| 843 | case "0-1": |
| 844 | eogMessage = "Black win"; |
| 845 | break; |
| 846 | case "1/2": |
| 847 | eogMessage = "Draw"; |
| 848 | break; |
| 849 | } |
| 850 | return eogMessage; |
| 851 | }, |
| 852 | }, |
| 853 | created: function() { |
| 854 | const url = socketUrl; |
| 855 | const humanContinuation = (localStorage.getItem("variant") === variant); |
| 856 | const computerContinuation = (localStorage.getItem("comp-variant") === variant); |
| 857 | this.myid = (humanContinuation ? localStorage.getItem("myid") : getRandString()); |
| 858 | this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant); |
| 859 | const socketOpenListener = () => { |
| 860 | if (humanContinuation) //game VS human has priority |
| 861 | { |
| 862 | const fen = localStorage.getItem("fen"); |
| 863 | const mycolor = localStorage.getItem("mycolor"); |
| 864 | const oppid = localStorage.getItem("oppid"); |
| 865 | const moves = JSON.parse(localStorage.getItem("moves")); |
| 866 | this.newGame("human", fen, mycolor, oppid, moves, true); |
| 867 | // Send ping to server (answer pong if opponent is connected) |
| 868 | this.conn.send(JSON.stringify({code:"ping",oppid:this.oppid})); |
| 869 | } |
| 870 | else if (computerContinuation) |
| 871 | { |
| 872 | const fen = localStorage.getItem("comp-fen"); |
| 873 | const mycolor = localStorage.getItem("comp-mycolor"); |
| 874 | const moves = JSON.parse(localStorage.getItem("comp-moves")); |
| 875 | this.newGame("computer", fen, mycolor, undefined, moves, true); |
| 876 | } |
| 877 | }; |
| 878 | const socketMessageListener = msg => { |
| 879 | const data = JSON.parse(msg.data); |
| 880 | switch (data.code) |
| 881 | { |
| 882 | case "duplicate": |
| 883 | // We opened another tab on the same game |
| 884 | this.mode = "idle"; |
| 885 | this.vr = null; |
| 886 | alert("Already playing a game in this variant on another tab!"); |
| 887 | break; |
| 888 | case "newgame": //opponent found |
| 889 | // oppid: opponent socket ID |
| 890 | this.newGame("human", data.fen, data.color, data.oppid); |
| 891 | break; |
| 892 | case "newmove": //..he played! |
| 893 | this.play(data.move, "animate"); |
| 894 | break; |
| 895 | case "pong": //received if we sent a ping (game still alive on our side) |
| 896 | this.oppConnected = true; |
| 897 | const L = this.vr.moves.length; |
| 898 | // Send our "last state" informations to opponent |
| 899 | this.conn.send(JSON.stringify({ |
| 900 | code:"lastate", |
| 901 | oppid:this.oppid, |
| 902 | lastMove:L>0?this.vr.moves[L-1]:undefined, |
| 903 | movesCount:L, |
| 904 | })); |
| 905 | break; |
| 906 | case "lastate": //got opponent infos about last move (we might have resigned) |
| 907 | if (this.mode!="human" || this.oppid!=data.oppid) |
| 908 | { |
| 909 | // OK, we resigned |
| 910 | this.conn.send(JSON.stringify({ |
| 911 | code:"lastate", |
| 912 | oppid:this.oppid, |
| 913 | lastMove:undefined, |
| 914 | movesCount:-1, |
| 915 | })); |
| 916 | } |
| 917 | else if (data.movesCount < 0) |
| 918 | { |
| 919 | // OK, he resigned |
| 920 | this.endGame(this.mycolor=="w"?"1-0":"0-1"); |
| 921 | } |
| 922 | else if (data.movesCount < this.vr.moves.length) |
| 923 | { |
| 924 | // We must tell last move to opponent |
| 925 | const L = this.vr.moves.length; |
| 926 | this.conn.send(JSON.stringify({ |
| 927 | code:"lastate", |
| 928 | oppid:this.oppid, |
| 929 | lastMove:this.vr.moves[L-1], |
| 930 | movesCount:L, |
| 931 | })); |
| 932 | } |
| 933 | else if (data.movesCount > this.vr.moves.length) //just got last move from him |
| 934 | this.play(data.lastMove, "animate"); |
| 935 | break; |
| 936 | case "resign": //..you won! |
| 937 | this.endGame(this.mycolor=="w"?"1-0":"0-1"); |
| 938 | break; |
| 939 | // TODO: also use (dis)connect info to count online players? |
| 940 | case "connect": |
| 941 | case "disconnect": |
| 942 | if (this.mode == "human" && this.oppid == data.id) |
| 943 | this.oppConnected = (data.code == "connect"); |
| 944 | break; |
| 945 | } |
| 946 | }; |
| 947 | const socketCloseListener = () => { |
| 948 | this.conn = new WebSocket(url + "/?sid=" + this.myid + "&page=" + variant); |
| 949 | this.conn.addEventListener('open', socketOpenListener); |
| 950 | this.conn.addEventListener('message', socketMessageListener); |
| 951 | this.conn.addEventListener('close', socketCloseListener); |
| 952 | }; |
| 953 | this.conn.onopen = socketOpenListener; |
| 954 | this.conn.onmessage = socketMessageListener; |
| 955 | this.conn.onclose = socketCloseListener; |
| 956 | // Listen to keyboard left/right to navigate in game |
| 957 | document.onkeydown = event => { |
| 958 | if (this.mode == "idle" && !!this.vr && this.vr.moves.length > 0 |
| 959 | && [37,39].includes(event.keyCode)) |
| 960 | { |
| 961 | event.preventDefault(); |
| 962 | if (event.keyCode == 37) //Back |
| 963 | this.undo(); |
| 964 | else //Forward (39) |
| 965 | this.play(); |
| 966 | } |
| 967 | }; |
| 968 | }, |
| 969 | methods: { |
| 970 | toggleShowSolution: function() { |
| 971 | let problemSolution = document.getElementById("problem-solution"); |
| 972 | problemSolution.style.display = problemSolution.style.display == "none" |
| 973 | ? "block" |
| 974 | : "none"; |
| 975 | }, |
| 976 | download: function() { |
| 977 | let content = document.getElementById("pgn-game").innerHTML; |
| 978 | content = content.replace(/<br>/g, "\n"); |
| 979 | // Prepare and trigger download link |
| 980 | let downloadAnchor = document.getElementById("download"); |
| 981 | downloadAnchor.setAttribute("download", "game.pgn"); |
| 982 | downloadAnchor.href = "data:text/plain;charset=utf-8," + |
| 983 | encodeURIComponent(content); |
| 984 | downloadAnchor.click(); |
| 985 | }, |
| 986 | showScoreMsg: function() { |
| 987 | let modalBox = document.getElementById("modal-eog"); |
| 988 | modalBox.checked = true; |
| 989 | setTimeout(() => { modalBox.checked = false; }, 2000); |
| 990 | }, |
| 991 | endGame: function(score) { |
| 992 | this.score = score; |
| 993 | this.showScoreMsg(); |
| 994 | // Variants may have special PGN structure (so next function isn't defined here) |
| 995 | this.pgnTxt = this.vr.getPGN(this.mycolor, this.score, this.fenStart, this.mode); |
| 996 | if (["human","computer"].includes(this.mode)) |
| 997 | this.clearStorage(); |
| 998 | this.mode = "idle"; |
| 999 | this.cursor = this.vr.moves.length; //to navigate in finished game |
| 1000 | this.oppid = ""; |
| 1001 | }, |
| 1002 | setStorage: function() { |
| 1003 | if (this.mode=="human") |
| 1004 | { |
| 1005 | localStorage.setItem("myid", this.myid); |
| 1006 | localStorage.setItem("oppid", this.oppid); |
| 1007 | } |
| 1008 | // 'prefix' = "comp-" to resume games vs. computer |
| 1009 | const prefix = (this.mode=="computer" ? "comp-" : ""); |
| 1010 | localStorage.setItem(prefix+"variant", variant); |
| 1011 | localStorage.setItem(prefix+"mycolor", this.mycolor); |
| 1012 | localStorage.setItem(prefix+"fenStart", this.fenStart); |
| 1013 | localStorage.setItem(prefix+"moves", JSON.stringify(this.vr.moves)); |
| 1014 | localStorage.setItem(prefix+"fen", this.vr.getFen()); |
| 1015 | }, |
| 1016 | updateStorage: function() { |
| 1017 | const prefix = (this.mode=="computer" ? "comp-" : ""); |
| 1018 | localStorage.setItem(prefix+"moves", JSON.stringify(this.vr.moves)); |
| 1019 | localStorage.setItem(prefix+"fen", this.vr.getFen()); |
| 1020 | }, |
| 1021 | clearStorage: function() { |
| 1022 | if (this.mode=="human") |
| 1023 | { |
| 1024 | delete localStorage["myid"]; |
| 1025 | delete localStorage["oppid"]; |
| 1026 | } |
| 1027 | const prefix = (this.mode=="computer" ? "comp-" : ""); |
| 1028 | delete localStorage[prefix+"variant"]; |
| 1029 | delete localStorage[prefix+"mycolor"]; |
| 1030 | delete localStorage[prefix+"fenStart"]; |
| 1031 | delete localStorage[prefix+"fen"]; |
| 1032 | delete localStorage[prefix+"moves"]; |
| 1033 | }, |
| 1034 | // HACK because mini-css tooltips are persistent after click... |
| 1035 | getRidOfTooltip: function(elt) { |
| 1036 | elt.style.visibility = "hidden"; |
| 1037 | setTimeout(() => { elt.style.visibility="visible"; }, 100); |
| 1038 | }, |
| 1039 | showSettings: function(e) { |
| 1040 | this.getRidOfTooltip(e.currentTarget); |
| 1041 | document.getElementById("modal-settings").checked = true; |
| 1042 | }, |
| 1043 | toggleHints: function() { |
| 1044 | this.hints = !this.hints; |
| 1045 | setCookie("hints", this.hints ? "1" : "0"); |
| 1046 | }, |
| 1047 | setColor: function(e) { |
| 1048 | this.color = e.target.options[e.target.selectedIndex].value; |
| 1049 | setCookie("color", this.color); |
| 1050 | }, |
| 1051 | setSound: function(e) { |
| 1052 | this.sound = parseInt(e.target.options[e.target.selectedIndex].value); |
| 1053 | setCookie("sound", this.sound); |
| 1054 | }, |
| 1055 | clickGameSeek: function(e) { |
| 1056 | this.getRidOfTooltip(e.currentTarget); |
| 1057 | if (this.mode == "human") |
| 1058 | return; //no newgame while playing |
| 1059 | if (this.seek) |
| 1060 | { |
| 1061 | this.conn.send(JSON.stringify({code:"cancelnewgame"})); |
| 1062 | this.seek = false; |
| 1063 | } |
| 1064 | else |
| 1065 | this.newGame("human"); |
| 1066 | }, |
| 1067 | clickComputerGame: function(e) { |
| 1068 | this.getRidOfTooltip(e.currentTarget); |
| 1069 | if (this.mode == "human") |
| 1070 | return; //no newgame while playing |
| 1071 | this.newGame("computer"); |
| 1072 | }, |
| 1073 | clickFriendGame: function(e) { |
| 1074 | this.getRidOfTooltip(e.currentTarget); |
| 1075 | document.getElementById("modal-fenedit").checked = true; |
| 1076 | }, |
| 1077 | resign: function(e) { |
| 1078 | this.getRidOfTooltip(e.currentTarget); |
| 1079 | if (this.mode == "human" && this.oppConnected) |
| 1080 | { |
| 1081 | try { |
| 1082 | this.conn.send(JSON.stringify({code: "resign", oppid: this.oppid})); |
| 1083 | } catch (INVALID_STATE_ERR) { |
| 1084 | return; //socket is not ready (and not yet reconnected) |
| 1085 | } |
| 1086 | } |
| 1087 | this.endGame(this.mycolor=="w"?"0-1":"1-0"); |
| 1088 | }, |
| 1089 | newGame: function(mode, fenInit, color, oppId, moves, continuation) { |
| 1090 | const fen = fenInit || VariantRules.GenRandInitFen(); |
| 1091 | console.log(fen); //DEBUG |
| 1092 | if (mode=="human" && !oppId) |
| 1093 | { |
| 1094 | const storageVariant = localStorage.getItem("variant"); |
| 1095 | if (!!storageVariant && storageVariant !== variant) |
| 1096 | return alert("Finish your " + storageVariant + " game first!"); |
| 1097 | // Send game request and wait.. |
| 1098 | try { |
| 1099 | this.conn.send(JSON.stringify({code:"newgame", fen:fen})); |
| 1100 | } catch (INVALID_STATE_ERR) { |
| 1101 | return; //nothing achieved |
| 1102 | } |
| 1103 | this.seek = true; |
| 1104 | let modalBox = document.getElementById("modal-newgame"); |
| 1105 | modalBox.checked = true; |
| 1106 | setTimeout(() => { modalBox.checked = false; }, 2000); |
| 1107 | return; |
| 1108 | } |
| 1109 | if (mode == "computer" && !continuation) |
| 1110 | { |
| 1111 | const storageVariant = localStorage.getItem("comp-variant"); |
| 1112 | if (!!storageVariant && storageVariant !== variant) |
| 1113 | { |
| 1114 | if (!confirm("Unfinished " + storageVariant + |
| 1115 | " computer game will be erased")) |
| 1116 | { |
| 1117 | return; |
| 1118 | } |
| 1119 | } |
| 1120 | } |
| 1121 | if (this.mode == "computer" && mode == "human") |
| 1122 | { |
| 1123 | // Save current computer game to resume it later |
| 1124 | this.setStorage(); |
| 1125 | } |
| 1126 | this.vr = new VariantRules(fen, moves || []); |
| 1127 | this.score = "*"; |
| 1128 | this.pgnTxt = ""; //redundant with this.score = "*", but cleaner |
| 1129 | this.mode = mode; |
| 1130 | if (continuation && moves.length > 0) //NOTE: "continuation": redundant test |
| 1131 | { |
| 1132 | const lastMove = moves[moves.length-1]; |
| 1133 | this.vr.undo(lastMove); |
| 1134 | this.incheck = this.vr.getCheckSquares(lastMove); |
| 1135 | this.vr.play(lastMove, "ingame"); |
| 1136 | } |
| 1137 | else |
| 1138 | this.incheck = []; |
| 1139 | if (continuation) |
| 1140 | { |
| 1141 | const prefix = (mode=="computer" ? "comp-" : ""); |
| 1142 | this.fenStart = localStorage.getItem(prefix+"fenStart"); |
| 1143 | } |
| 1144 | else |
| 1145 | this.fenStart = fen; |
| 1146 | if (mode=="human") |
| 1147 | { |
| 1148 | // Opponent found! |
| 1149 | if (!continuation) //not playing sound on game continuation |
| 1150 | { |
| 1151 | if (this.sound >= 1) |
| 1152 | new Audio("/sounds/newgame.mp3").play().catch(err => {}); |
| 1153 | document.getElementById("modal-newgame").checked = false; |
| 1154 | } |
| 1155 | this.oppid = oppId; |
| 1156 | this.oppConnected = !continuation; |
| 1157 | this.mycolor = color; |
| 1158 | this.seek = false; |
| 1159 | this.setStorage(); //in case of interruptions |
| 1160 | } |
| 1161 | else if (mode == "computer") |
| 1162 | { |
| 1163 | this.mycolor = Math.random() < 0.5 ? 'w' : 'b'; |
| 1164 | if (this.mycolor == 'b') |
| 1165 | this.playComputerMove(); |
| 1166 | } |
| 1167 | //else: against a (IRL) friend or problem solving: nothing more to do |
| 1168 | }, |
| 1169 | playComputerMove: function() { |
| 1170 | const timeStart = Date.now(); |
| 1171 | const compMove = this.vr.getComputerMove(); |
| 1172 | // (first move) HACK: avoid selecting elements before they appear on page: |
| 1173 | const delay = Math.max(500-(Date.now()-timeStart), 0); |
| 1174 | setTimeout(() => { |
| 1175 | if (this.mode == "computer") //Warning: mode could have changed! |
| 1176 | this.play(compMove, "animate") |
| 1177 | }, delay); |
| 1178 | }, |
| 1179 | // Get the identifier of a HTML table cell from its numeric coordinates o.x,o.y. |
| 1180 | getSquareId: function(o) { |
| 1181 | // NOTE: a separator is required to allow any size of board |
| 1182 | return "sq-" + o.x + "-" + o.y; |
| 1183 | }, |
| 1184 | // Inverse function |
| 1185 | getSquareFromId: function(id) { |
| 1186 | let idParts = id.split('-'); |
| 1187 | return [parseInt(idParts[1]), parseInt(idParts[2])]; |
| 1188 | }, |
| 1189 | mousedown: function(e) { |
| 1190 | e = e || window.event; |
| 1191 | let ingame = false; |
| 1192 | let elem = e.target; |
| 1193 | while (!ingame && elem !== null) |
| 1194 | { |
| 1195 | if (elem.classList.contains("game")) |
| 1196 | { |
| 1197 | ingame = true; |
| 1198 | break; |
| 1199 | } |
| 1200 | elem = elem.parentElement; |
| 1201 | } |
| 1202 | if (!ingame) //let default behavior (click on button...) |
| 1203 | return; |
| 1204 | e.preventDefault(); //disable native drag & drop |
| 1205 | if (!this.selectedPiece && e.target.classList.contains("piece")) |
| 1206 | { |
| 1207 | // Next few lines to center the piece on mouse cursor |
| 1208 | let rect = e.target.parentNode.getBoundingClientRect(); |
| 1209 | this.start = { |
| 1210 | x: rect.x + rect.width/2, |
| 1211 | y: rect.y + rect.width/2, |
| 1212 | id: e.target.parentNode.id |
| 1213 | }; |
| 1214 | this.selectedPiece = e.target.cloneNode(); |
| 1215 | this.selectedPiece.style.position = "absolute"; |
| 1216 | this.selectedPiece.style.top = 0; |
| 1217 | this.selectedPiece.style.display = "inline-block"; |
| 1218 | this.selectedPiece.style.zIndex = 3000; |
| 1219 | const startSquare = this.getSquareFromId(e.target.parentNode.id); |
| 1220 | this.possibleMoves = []; |
| 1221 | if (this.mode != "idle") |
| 1222 | { |
| 1223 | const color = ["friend","problem"].includes(this.mode) |
| 1224 | ? this.vr.turn |
| 1225 | : this.mycolor; |
| 1226 | if (this.vr.canIplay(color,startSquare)) |
| 1227 | this.possibleMoves = this.vr.getPossibleMovesFrom(startSquare); |
| 1228 | } |
| 1229 | // Next line add moving piece just after current image |
| 1230 | // (required for Crazyhouse reserve) |
| 1231 | e.target.parentNode.insertBefore(this.selectedPiece, e.target.nextSibling); |
| 1232 | } |
| 1233 | }, |
| 1234 | mousemove: function(e) { |
| 1235 | if (!this.selectedPiece) |
| 1236 | return; |
| 1237 | e = e || window.event; |
| 1238 | // If there is an active element, move it around |
| 1239 | if (!!this.selectedPiece) |
| 1240 | { |
| 1241 | const [offsetX,offsetY] = !!e.clientX |
| 1242 | ? [e.clientX,e.clientY] //desktop browser |
| 1243 | : [e.changedTouches[0].pageX, e.changedTouches[0].pageY]; //smartphone |
| 1244 | this.selectedPiece.style.left = (offsetX-this.start.x) + "px"; |
| 1245 | this.selectedPiece.style.top = (offsetY-this.start.y) + "px"; |
| 1246 | } |
| 1247 | }, |
| 1248 | mouseup: function(e) { |
| 1249 | if (!this.selectedPiece) |
| 1250 | return; |
| 1251 | e = e || window.event; |
| 1252 | // Read drop target (or parentElement, parentNode... if type == "img") |
| 1253 | this.selectedPiece.style.zIndex = -3000; //HACK to find square from final coords |
| 1254 | const [offsetX,offsetY] = !!e.clientX |
| 1255 | ? [e.clientX,e.clientY] |
| 1256 | : [e.changedTouches[0].pageX, e.changedTouches[0].pageY]; |
| 1257 | let landing = document.elementFromPoint(offsetX, offsetY); |
| 1258 | this.selectedPiece.style.zIndex = 3000; |
| 1259 | // Next condition: classList.contains(piece) fails because of marks |
| 1260 | while (landing.tagName == "IMG") |
| 1261 | landing = landing.parentNode; |
| 1262 | if (this.start.id == landing.id) |
| 1263 | { |
| 1264 | // A click: selectedPiece and possibleMoves are already filled |
| 1265 | return; |
| 1266 | } |
| 1267 | // OK: process move attempt |
| 1268 | let endSquare = this.getSquareFromId(landing.id); |
| 1269 | let moves = this.findMatchingMoves(endSquare); |
| 1270 | this.possibleMoves = []; |
| 1271 | if (moves.length > 1) |
| 1272 | this.choices = moves; |
| 1273 | else if (moves.length==1) |
| 1274 | this.play(moves[0]); |
| 1275 | // Else: impossible move |
| 1276 | this.selectedPiece.parentNode.removeChild(this.selectedPiece); |
| 1277 | delete this.selectedPiece; |
| 1278 | this.selectedPiece = null; |
| 1279 | }, |
| 1280 | findMatchingMoves: function(endSquare) { |
| 1281 | // Run through moves list and return the matching set (if promotions...) |
| 1282 | let moves = []; |
| 1283 | this.possibleMoves.forEach(function(m) { |
| 1284 | if (endSquare[0] == m.end.x && endSquare[1] == m.end.y) |
| 1285 | moves.push(m); |
| 1286 | }); |
| 1287 | return moves; |
| 1288 | }, |
| 1289 | animateMove: function(move) { |
| 1290 | let startSquare = document.getElementById(this.getSquareId(move.start)); |
| 1291 | let endSquare = document.getElementById(this.getSquareId(move.end)); |
| 1292 | let rectStart = startSquare.getBoundingClientRect(); |
| 1293 | let rectEnd = endSquare.getBoundingClientRect(); |
| 1294 | let translation = {x:rectEnd.x-rectStart.x, y:rectEnd.y-rectStart.y}; |
| 1295 | let movingPiece = |
| 1296 | document.querySelector("#" + this.getSquareId(move.start) + " > img.piece"); |
| 1297 | // HACK for animation (with positive translate, image slides "under background") |
| 1298 | // Possible improvement: just alter squares on the piece's way... |
| 1299 | squares = document.getElementsByClassName("board"); |
| 1300 | for (let i=0; i<squares.length; i++) |
| 1301 | { |
| 1302 | let square = squares.item(i); |
| 1303 | if (square.id != this.getSquareId(move.start)) |
| 1304 | square.style.zIndex = "-1"; |
| 1305 | } |
| 1306 | movingPiece.style.transform = "translate(" + translation.x + "px," + |
| 1307 | translation.y + "px)"; |
| 1308 | movingPiece.style.transitionDuration = "0.2s"; |
| 1309 | movingPiece.style.zIndex = "3000"; |
| 1310 | setTimeout( () => { |
| 1311 | for (let i=0; i<squares.length; i++) |
| 1312 | squares.item(i).style.zIndex = "auto"; |
| 1313 | movingPiece.style = {}; //required e.g. for 0-0 with KR swap |
| 1314 | this.play(move); |
| 1315 | }, 250); |
| 1316 | }, |
| 1317 | play: function(move, programmatic) { |
| 1318 | if (!move) |
| 1319 | { |
| 1320 | // Navigate after game is over |
| 1321 | if (this.cursor >= this.vr.moves.length) |
| 1322 | return; //already at the end |
| 1323 | move = this.vr.moves[this.cursor++]; |
| 1324 | } |
| 1325 | if (!!programmatic) //computer or human opponent |
| 1326 | { |
| 1327 | this.animateMove(move); |
| 1328 | return; |
| 1329 | } |
| 1330 | // Not programmatic, or animation is over |
| 1331 | if (this.mode == "human" && this.vr.turn == this.mycolor) |
| 1332 | this.conn.send(JSON.stringify({code:"newmove", move:move, oppid:this.oppid})); |
| 1333 | if (this.sound == 2) |
| 1334 | new Audio("/sounds/chessmove1.mp3").play().catch(err => {}); |
| 1335 | if (this.mode != "idle") |
| 1336 | { |
| 1337 | this.incheck = this.vr.getCheckSquares(move); //is opponent in check? |
| 1338 | this.vr.play(move, "ingame"); |
| 1339 | } |
| 1340 | else |
| 1341 | { |
| 1342 | VariantRules.PlayOnBoard(this.vr.board, move); |
| 1343 | this.$forceUpdate(); //TODO: ?! |
| 1344 | } |
| 1345 | if (["human","computer"].includes(this.mode)) |
| 1346 | this.updateStorage(); //after our moves and opponent moves |
| 1347 | if (this.mode != "idle") |
| 1348 | { |
| 1349 | const eog = this.vr.checkGameOver(); |
| 1350 | if (eog != "*") |
| 1351 | { |
| 1352 | if (["human","computer"].includes(this.mode)) |
| 1353 | this.endGame(eog); |
| 1354 | else |
| 1355 | { |
| 1356 | // Just show score on screen (allow undo) |
| 1357 | this.score = eog; |
| 1358 | this.showScoreMsg(); |
| 1359 | } |
| 1360 | } |
| 1361 | } |
| 1362 | if (this.mode == "computer" && this.vr.turn != this.mycolor) |
| 1363 | this.playComputerMove; |
| 1364 | }, |
| 1365 | undo: function() { |
| 1366 | // Navigate after game is over |
| 1367 | if (this.cursor == 0) |
| 1368 | return; //already at the beginning |
| 1369 | if (this.cursor == this.vr.moves.length) |
| 1370 | this.incheck = []; //in case of... |
| 1371 | const move = this.vr.moves[--this.cursor]; |
| 1372 | VariantRules.UndoOnBoard(this.vr.board, move); |
| 1373 | this.$forceUpdate(); //TODO: ?! |
| 1374 | }, |
| 1375 | undoInGame: function() { |
| 1376 | const lm = this.vr.lastMove; |
| 1377 | if (!!lm) |
| 1378 | this.vr.undo(lm); |
| 1379 | }, |
| 1380 | }, |
| 1381 | }) |