| 1 | import ChessRules from "/base_rules.js"; |
| 2 | import GiveawayRules from "/variants/Giveaway/class.js"; |
| 3 | import { ArrayFun } from "/utils/array.js"; |
| 4 | import { Random } from "/utils/alea.js"; |
| 5 | import PiPo from "/utils/PiPo.js"; |
| 6 | import Move from "/utils/Move.js"; |
| 7 | |
| 8 | export default class ChakartRules extends ChessRules { |
| 9 | |
| 10 | static get Options() { |
| 11 | return { |
| 12 | select: [ |
| 13 | { |
| 14 | label: "Randomness", |
| 15 | variable: "randomness", |
| 16 | defaut: 2, |
| 17 | options: [ |
| 18 | {label: "Deterministic", value: 0}, |
| 19 | {label: "Symmetric random", value: 1}, |
| 20 | {label: "Asymmetric random", value: 2} |
| 21 | ] |
| 22 | } |
| 23 | ] |
| 24 | }; |
| 25 | } |
| 26 | |
| 27 | get pawnPromotions() { |
| 28 | return ['q', 'r', 'n', 'b', 'k']; |
| 29 | } |
| 30 | |
| 31 | get hasCastle() { |
| 32 | return false; |
| 33 | } |
| 34 | get hasEnpassant() { |
| 35 | return false; |
| 36 | } |
| 37 | |
| 38 | static get IMMOBILIZE_CODE() { |
| 39 | return { |
| 40 | 'p': 's', |
| 41 | 'r': 'u', |
| 42 | 'n': 'o', |
| 43 | 'b': 'c', |
| 44 | 'q': 't', |
| 45 | 'k': 'l' |
| 46 | }; |
| 47 | } |
| 48 | |
| 49 | static get IMMOBILIZE_DECODE() { |
| 50 | return { |
| 51 | 's': 'p', |
| 52 | 'u': 'r', |
| 53 | 'o': 'n', |
| 54 | 'c': 'b', |
| 55 | 't': 'q', |
| 56 | 'l': 'k' |
| 57 | }; |
| 58 | } |
| 59 | |
| 60 | static get INVISIBLE_QUEEN() { |
| 61 | return 'i'; |
| 62 | } |
| 63 | |
| 64 | // Fictive color 'a', bomb banana mushroom egg |
| 65 | static get BOMB() { |
| 66 | return 'w'; //"Wario" |
| 67 | } |
| 68 | static get BANANA() { |
| 69 | return 'd'; //"Donkey" |
| 70 | } |
| 71 | static get EGG() { |
| 72 | return 'e'; |
| 73 | } |
| 74 | static get MUSHROOM() { |
| 75 | return 'm'; |
| 76 | } |
| 77 | |
| 78 | genRandInitFen(seed) { |
| 79 | const gr = new GiveawayRules( |
| 80 | {mode: "suicide", options: {}, genFenOnly: true}); |
| 81 | return ( |
| 82 | gr.genRandInitFen(seed).slice(0, -17) + |
| 83 | // Add Peach + Mario flags + capture counts |
| 84 | '{"flags":"1111","ccount":"000000000000"}' |
| 85 | ); |
| 86 | } |
| 87 | |
| 88 | fen2board(f) { |
| 89 | return ( |
| 90 | f.charCodeAt() <= 90 |
| 91 | ? "w" + f.toLowerCase() |
| 92 | : (['w', 'd', 'e', 'm'].includes(f) ? "a" : "b") + f |
| 93 | ); |
| 94 | } |
| 95 | |
| 96 | setFlags(fenflags) { |
| 97 | // King can send shell? Queen can be invisible? |
| 98 | this.powerFlags = { |
| 99 | w: {k: false, q: false}, |
| 100 | b: {k: false, q: false} |
| 101 | }; |
| 102 | for (let c of ['w', 'b']) { |
| 103 | for (let p of ['k', 'q']) { |
| 104 | this.powerFlags[c][p] = |
| 105 | fenflags.charAt((c == "w" ? 0 : 2) + (p == 'k' ? 0 : 1)) == "1"; |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | aggregateFlags() { |
| 111 | return this.powerFlags; |
| 112 | } |
| 113 | |
| 114 | disaggregateFlags(flags) { |
| 115 | this.powerFlags = flags; |
| 116 | } |
| 117 | |
| 118 | getFen() { |
| 119 | return super.getFen() + " " + this.getCapturedFen(); |
| 120 | } |
| 121 | |
| 122 | getFlagsFen() { |
| 123 | return ['w', 'b'].map(c => { |
| 124 | return ['k', 'q'].map(p => this.powerFlags[c][p] ? "1" : "0").join(""); |
| 125 | }).join(""); |
| 126 | } |
| 127 | |
| 128 | getCapturedFen() { |
| 129 | const res = ['w', 'b'].map(c => Object.values(this.captured[c])); |
| 130 | return res[0].concat(res[1]).join(""); |
| 131 | } |
| 132 | |
| 133 | setOtherVariables(fenParsed) { |
| 134 | super.setOtherVariables(fenParsed); |
| 135 | // Initialize captured pieces' counts from FEN |
| 136 | const allCapts = fenParsed.ccount.split("").map(x => parseInt(x, 10)); |
| 137 | const pieces = ['p', 'r', 'n', 'b', 'q', 'k']; |
| 138 | this.captured = { |
| 139 | w: ArrayFun.toObject(pieces, allCapts.slice(0, 6)), |
| 140 | b: ArrayFun.toObject(pieces, allCapts.slice(6, 12)) |
| 141 | }; |
| 142 | this.reserve = { w: {}, b: {} }; //to be replaced by this.captured |
| 143 | this.moveStack = []; |
| 144 | this.egg = null; |
| 145 | } |
| 146 | |
| 147 | // For Toadette bonus |
| 148 | getDropMovesFrom([c, p]) { |
| 149 | if (typeof c != "string" || this.reserve[c][p] == 0) |
| 150 | return []; |
| 151 | let moves = []; |
| 152 | const start = (c == 'w' && p == 'p' ? 1 : 0); |
| 153 | const end = (color == 'b' && p == 'p' ? 7 : 8); |
| 154 | for (let i = start; i < end; i++) { |
| 155 | for (let j = 0; j < this.size.y; j++) { |
| 156 | const pieceIJ = this.getPiece(i, j); |
| 157 | if ( |
| 158 | this.board[i][j] == "" || |
| 159 | this.getColor(i, j) == 'a' || |
| 160 | pieceIJ == V.INVISIBLE_QUEEN |
| 161 | ) { |
| 162 | let m = new Move({ |
| 163 | start: {x: c, y: p}, |
| 164 | end: {x: i, y: j}, |
| 165 | appear: [new PiPo({x: i, y: j, c: c, p: p})], |
| 166 | vanish: [] |
| 167 | }); |
| 168 | // A drop move may remove a bonus (or hidden queen!) |
| 169 | if (this.board[i][j] != "") |
| 170 | m.vanish.push(new PiPo({x: i, y: j, c: 'a', p: pieceIJ})); |
| 171 | moves.push(m); |
| 172 | } |
| 173 | } |
| 174 | } |
| 175 | return moves; |
| 176 | } |
| 177 | |
| 178 | // Moving something. Potential effects resolved after playing |
| 179 | getPotentialMovesFrom([x, y]) { |
| 180 | let moves = []; |
| 181 | if (this.egg == "toadette") |
| 182 | return this.getDropMovesFrom([x, y]); |
| 183 | if (this.egg == "kingboo") { |
| 184 | const initPiece = this.getPiece(x, y); |
| 185 | const color = this.getColor(x, y); |
| 186 | const oppCol = C.GetOppCol(color); |
| 187 | // Only allow to swap pieces |
| 188 | for (let i=0; i<this.size.x; i++) { |
| 189 | for (let j=0; j<this.size.y; j++) { |
| 190 | const colIJ = this.getColor(i, j); |
| 191 | const pieceIJ = this.getPiece(i, j); |
| 192 | if ( |
| 193 | (i != x || j != y) && |
| 194 | ['w', 'b'].includes(colIJ) && |
| 195 | // Next conditions = no pawn on last rank |
| 196 | ( |
| 197 | initPiece != 'p' || |
| 198 | ( |
| 199 | (color != 'w' || i != 0) && |
| 200 | (color != 'b' || i != this.size.x - 1) |
| 201 | ) |
| 202 | ) |
| 203 | && |
| 204 | ( |
| 205 | pieceIJ != 'p' || |
| 206 | ( |
| 207 | (colIJ != 'w' || x != 0) && |
| 208 | (colIJ != 'b' || x != this.size.x - 1) |
| 209 | ) |
| 210 | ) |
| 211 | ) { |
| 212 | let m = this.getBasicMove([x, y], [i, j]); |
| 213 | m.appear.push( |
| 214 | new PiPo({x: x, y: y, p: this.getPiece(i, j), c: oppCol})); |
| 215 | moves.push(m); |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | return moves; |
| 220 | } |
| 221 | // Normal case (including bonus daisy) |
| 222 | switch (this.getPiece(x, y)) { |
| 223 | case 'p': |
| 224 | moves = this.getPawnMovesFrom([x, y]); //apply promotions |
| 225 | break; |
| 226 | case 'q': |
| 227 | moves = this.getQueenMovesFrom([x, y]); |
| 228 | break; |
| 229 | case 'k': |
| 230 | moves = this.getKingMovesFrom([x, y]); |
| 231 | break; |
| 232 | case 'n': |
| 233 | moves = this.getKnightMovesFrom([x, y]); |
| 234 | break; |
| 235 | case 'b': |
| 236 | case 'r': |
| 237 | // explicitely listing types to avoid moving immobilized piece |
| 238 | moves = super.getPotentialMovesFrom([x, y]); |
| 239 | } |
| 240 | return moves; |
| 241 | } |
| 242 | |
| 243 | getPawnMovesFrom([x, y]) { |
| 244 | const color = this.turn; |
| 245 | const oppCol = C.GetOppCol(color); |
| 246 | const shiftX = (color == 'w' ? -1 : 1); |
| 247 | const firstRank = (color == "w" ? this.size.x - 1 : 0); |
| 248 | let moves = []; |
| 249 | if ( |
| 250 | this.board[x + shiftX][y] == "" || |
| 251 | this.getColor(x + shiftX, y) == 'a' || |
| 252 | this.getPiece(x + shiftX, y) == V.INVISIBLE_QUEEN |
| 253 | ) { |
| 254 | moves.push(this.getBasicMove([x, y], [x + shiftX, y])); |
| 255 | if ( |
| 256 | [firstRank, firstRank + shiftX].includes(x) && |
| 257 | ( |
| 258 | this.board[x + 2 * shiftX][y] == "" || |
| 259 | this.getColor(x + 2 * shiftX, y) == 'a' || |
| 260 | this.getPiece(x + 2 * shiftX, y) == V.INVISIBLE_QUEEN |
| 261 | ) |
| 262 | ) { |
| 263 | moves.push(this.getBasicMove([x, y], [x + 2 * shiftX, y])); |
| 264 | } |
| 265 | } |
| 266 | for (let shiftY of [-1, 1]) { |
| 267 | if ( |
| 268 | y + shiftY >= 0 && |
| 269 | y + shiftY < this.size.y && |
| 270 | this.board[x + shiftX][y + shiftY] != "" && |
| 271 | // Pawns cannot capture invisible queen this way! |
| 272 | this.getPiece(x + shiftX, y + shiftY) != V.INVISIBLE_QUEEN && |
| 273 | ['a', oppCol].includes(this.getColor(x + shiftX, y + shiftY)) |
| 274 | ) { |
| 275 | moves.push(this.getBasicMove([x, y], [x + shiftX, y + shiftY])); |
| 276 | } |
| 277 | } |
| 278 | super.pawnPostProcess(moves, color, oppCol); |
| 279 | return moves; |
| 280 | } |
| 281 | |
| 282 | getQueenMovesFrom(sq) { |
| 283 | const normalMoves = super.getPotentialMovesOf('q', sq); |
| 284 | // If flag allows it, add 'invisible movements' |
| 285 | let invisibleMoves = []; |
| 286 | if (this.powerFlags[this.turn]['q']) { |
| 287 | normalMoves.forEach(m => { |
| 288 | if ( |
| 289 | m.appear.length == 1 && |
| 290 | m.vanish.length == 1 && |
| 291 | // Only simple non-capturing moves: |
| 292 | m.vanish[0].c != 'a' |
| 293 | ) { |
| 294 | let im = JSON.parse(JSON.stringify(m)); |
| 295 | im.appear[0].p = V.INVISIBLE_QUEEN; |
| 296 | im.end.noHighlight = true; |
| 297 | invisibleMoves.push(im); |
| 298 | } |
| 299 | }); |
| 300 | } |
| 301 | return normalMoves.concat(invisibleMoves); |
| 302 | } |
| 303 | |
| 304 | getKingMovesFrom([x, y]) { |
| 305 | let moves = super.getPotentialMovesOf('k', [x, y]); |
| 306 | // If flag allows it, add 'remote shell captures' |
| 307 | if (this.powerFlags[this.turn]['k']) { |
| 308 | super.pieces()['k'].moves[0].steps.forEach(step => { |
| 309 | let [i, j] = [x + step[0], y + step[1]]; |
| 310 | while ( |
| 311 | this.onBoard(i, j) && |
| 312 | ( |
| 313 | this.board[i][j] == "" || |
| 314 | this.getPiece(i, j) == V.INVISIBLE_QUEEN || |
| 315 | ( |
| 316 | this.getColor(i, j) == 'a' && |
| 317 | [V.EGG, V.MUSHROOM].includes(this.getPiece(i, j)) |
| 318 | ) |
| 319 | ) |
| 320 | ) { |
| 321 | i += step[0]; |
| 322 | j += step[1]; |
| 323 | } |
| 324 | if (this.onBoard(i, j)) { |
| 325 | const colIJ = this.getColor(i, j); |
| 326 | if (colIJ != this.turn) { |
| 327 | // May just destroy a bomb or banana: |
| 328 | moves.push( |
| 329 | new Move({ |
| 330 | start: {x: x, y: y}, |
| 331 | end: {x: i, y: j}, |
| 332 | appear: [], |
| 333 | vanish: [ |
| 334 | new PiPo({x: i, y: j, c: colIJ, p: this.getPiece(i, j)}) |
| 335 | ] |
| 336 | }) |
| 337 | ); |
| 338 | } |
| 339 | } |
| 340 | }); |
| 341 | } |
| 342 | return moves; |
| 343 | } |
| 344 | |
| 345 | getKnightMovesFrom([x, y]) { |
| 346 | // Add egg on initial square: |
| 347 | return super.getPotentialMovesOf('n', [x, y]).map(m => { |
| 348 | m.appear.push(new PiPo({p: "e", c: "a", x: x, y: y})); |
| 349 | return m; |
| 350 | }); |
| 351 | } |
| 352 | |
| 353 | /// if any of my pieces was immobilized, it's not anymore. |
| 354 | //if play set a piece immobilized, then mark it |
| 355 | play(move) { |
| 356 | if (move.effect == "toadette") { |
| 357 | this.reserve = this.captured; |
| 358 | this.re_drawReserve([this.turn]); |
| 359 | } |
| 360 | else if (this.reserve) { |
| 361 | this.reserve = { w: {}, b: {} }; |
| 362 | this.re_drawReserve([this.turn]); |
| 363 | } |
| 364 | const color = this.turn; |
| 365 | if ( |
| 366 | move.vanish.length == 2 && |
| 367 | move.vanish[1].c != 'a' && |
| 368 | move.appear.length == 1 //avoid king Boo! |
| 369 | ) { |
| 370 | // Capture: update this.captured |
| 371 | let capturedPiece = move.vanish[1].p; |
| 372 | if (capturedPiece == V.INVISIBLE_QUEEN) |
| 373 | capturedPiece = V.QUEEN; |
| 374 | else if (Object.keys(V.IMMOBILIZE_DECODE).includes(capturedPiece)) |
| 375 | capturedPiece = V.IMMOBILIZE_DECODE[capturedPiece]; |
| 376 | this.captured[move.vanish[1].c][capturedPiece]++; |
| 377 | } |
| 378 | else if (move.vanish.length == 0) { |
| 379 | if (move.appear.length == 0 || move.appear[0].c == 'a') |
| 380 | return; |
| 381 | // A piece is back on board |
| 382 | this.captured[move.appear[0].c][move.appear[0].p]--; |
| 383 | } |
| 384 | if (move.appear.length == 0) { |
| 385 | // Three cases: king "shell capture", Chomp or Koopa |
| 386 | if (this.getPiece(move.start.x, move.start.y) == V.KING) |
| 387 | // King remote capture: |
| 388 | this.powerFlags[color][V.KING] = false; |
| 389 | else if (move.end.effect == "chomp") |
| 390 | this.captured[color][move.vanish[0].p]++; |
| 391 | } |
| 392 | else if (move.appear[0].p == V.INVISIBLE_QUEEN) |
| 393 | this.powerFlags[move.appear[0].c][V.QUEEN] = false; |
| 394 | if (this.subTurn == 2) return; |
| 395 | if ( |
| 396 | move.turn[1] == 1 && |
| 397 | move.appear.length == 0 || |
| 398 | !(Object.keys(V.IMMOBILIZE_DECODE).includes(move.appear[0].p)) |
| 399 | ) { |
| 400 | // Look for an immobilized piece of my color: it can now move |
| 401 | for (let i=0; i<8; i++) { |
| 402 | for (let j=0; j<8; j++) { |
| 403 | if (this.board[i][j] != V.EMPTY) { |
| 404 | const piece = this.getPiece(i, j); |
| 405 | if ( |
| 406 | this.getColor(i, j) == color && |
| 407 | Object.keys(V.IMMOBILIZE_DECODE).includes(piece) |
| 408 | ) { |
| 409 | this.board[i][j] = color + V.IMMOBILIZE_DECODE[piece]; |
| 410 | move.wasImmobilized = [i, j]; |
| 411 | } |
| 412 | } |
| 413 | } |
| 414 | } |
| 415 | } |
| 416 | // Also make opponent invisible queen visible again, if any |
| 417 | const oppCol = V.GetOppCol(color); |
| 418 | for (let i=0; i<8; i++) { |
| 419 | for (let j=0; j<8; j++) { |
| 420 | if ( |
| 421 | this.board[i][j] != V.EMPTY && |
| 422 | this.getColor(i, j) == oppCol && |
| 423 | this.getPiece(i, j) == V.INVISIBLE_QUEEN |
| 424 | ) { |
| 425 | this.board[i][j] = oppCol + V.QUEEN; |
| 426 | move.wasInvisible = [i, j]; |
| 427 | } |
| 428 | } |
| 429 | } |
| 430 | this.playOnBoard(move); |
| 431 | if (["kingboo", "toadette", "daisy"].includes(move.effect)) { |
| 432 | this.effect = move.effect; |
| 433 | this.subTurn = 2; |
| 434 | } |
| 435 | else { |
| 436 | this.turn = C.GetOppCol(this.turn); |
| 437 | this.movesCount++; |
| 438 | this.subTurn = 1; |
| 439 | } |
| 440 | |
| 441 | |
| 442 | if (move.egg) |
| 443 | this.displayBonus(move.egg); |
| 444 | else if (this.egg) |
| 445 | this.egg = null; //the egg is consumed |
| 446 | } |
| 447 | |
| 448 | displayBonus(egg) { |
| 449 | alert(egg); //TODO: nicer display |
| 450 | } |
| 451 | |
| 452 | filterValid(moves) { |
| 453 | return moves; |
| 454 | } |
| 455 | |
| 456 | tryMoveFollowup(move, cb) { |
| 457 | // Warning: at this stage, the move is played |
| 458 | if (move.vanish.length == 2 && move.vanish[1].c == 'a') { |
| 459 | // effect, or bonus/malus |
| 460 | const endType = move.vanish[1].p; |
| 461 | switch (endType) { |
| 462 | case V.EGG: |
| 463 | this.applyRandomBonus(move, cb); |
| 464 | break; |
| 465 | case V.BANANA: |
| 466 | case V.BOMB: { |
| 467 | const dest = |
| 468 | this.getRandomSquare([m.end.x, m.end.y], |
| 469 | endType == V.BANANA |
| 470 | ? [[1, 1], [1, -1], [-1, 1], [-1, -1]] |
| 471 | : [[1, 0], [-1, 0], [0, 1], [0, -1]]); |
| 472 | cb(this.getBasicMove([move.end.x, move.end.y], dest)); |
| 473 | break; |
| 474 | } |
| 475 | case V.MUSHROOM: { |
| 476 | let step = [move.end.x - move.start.x, move.end.y - move.start.y]; |
| 477 | if ([0, 1].some(i => step[i] >= 2 && step[1-i] != 1)) { |
| 478 | // Slider, multi-squares: normalize step |
| 479 | for (let j of [0, 1]) |
| 480 | step[j] = step[j] / Math.abs(step[j]) || 0; |
| 481 | } |
| 482 | const nextSquare = [move.end.x + step[0], move.end.y + step[1]]; |
| 483 | if (this.onBoard(nextSquare[0], nextSquare[1])) { |
| 484 | if ( |
| 485 | this.board[nextSquare[0]][nextSquare[1]] != "" && |
| 486 | this.getColor(nextSquare[0], nextSquare[1]) != 'a' |
| 487 | ) { |
| 488 | // (try to) jump |
| 489 | const afterSquare = |
| 490 | [nextSquare[0] + step[0], nextSquare[1] + step[1]]; |
| 491 | if ( |
| 492 | this.onBoard(afterSquare[0], afterSquare[1]) && |
| 493 | this.getColor(afterSquare[0], afterSquare[1]) != this.turn |
| 494 | ) { |
| 495 | cb(this.getBasicMove([move.end.x, move.end.y], afterSquare)); |
| 496 | } |
| 497 | } |
| 498 | else if (!['b', 'r', 'q'].includes(move.vanish[0].p)) |
| 499 | // Take another step forward if not slider move |
| 500 | cb(this.getBasicMove([move.end.x, move.end.y], nextSquare)); |
| 501 | } |
| 502 | break; |
| 503 | } |
| 504 | } |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | applyRandomBonus(move, cb) { |
| 509 | // TODO: determine bonus/malus, and then ... |
| 510 | // if toadette, daisy or kingboo : do not call cb |
| 511 | this.egg = "daisy"; //not calling cb in this case |
| 512 | this.displayBonus(this.egg); |
| 513 | move.egg = this.egg; //for play() by opponent |
| 514 | } |
| 515 | |
| 516 | // Helper to apply banana/bomb effect |
| 517 | getRandomSquare([x, y], steps) { |
| 518 | const validSteps = steps.filter(s => this.onBoard(x + s[0], y + s[1])); |
| 519 | const step = validSteps[Random.randInt(validSteps.length)]; |
| 520 | return [x + step[0], y + step[1]]; |
| 521 | } |
| 522 | |
| 523 | // Warning: if play() is called, then move.end changed. |
| 524 | playPlusVisual(move, r) { |
| 525 | this.moveStack.push(move); |
| 526 | this.play(move); |
| 527 | this.playVisual(move, r); |
| 528 | this.tryMoveFollowup(move, (nextMove) => { |
| 529 | if (nextMove) |
| 530 | this.playPlusVisual(nextMove, r); |
| 531 | else |
| 532 | this.afterPlay(this.moveStack); |
| 533 | }); |
| 534 | } |
| 535 | |
| 536 | }; |