X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FWildebeest.js;h=6317c4bb5f1d283a63420bd7a1acfb17286e7fbd;hb=7e8a7ea1cb66adb4a987badfb0a3c2f99a21bd0a;hp=933abbde126aa091714f14785e2dfcf3d9c40409;hpb=6808d7a16ec1e761c6a2dffec2281c96953e4d89;p=vchess.git diff --git a/client/src/variants/Wildebeest.js b/client/src/variants/Wildebeest.js index 933abbde..6317c4bb 100644 --- a/client/src/variants/Wildebeest.js +++ b/client/src/variants/Wildebeest.js @@ -2,10 +2,7 @@ import { ChessRules } from "@/base_rules"; import { ArrayFun } from "@/utils/array"; import { sample, randInt } from "@/utils/alea"; -export const VariantRules = class WildebeestRules extends ChessRules { - static getPpath(b) { - return ([V.CAMEL, V.WILDEBEEST].includes(b[1]) ? "Wildebeest/" : "") + b; - } +export class WildebeestRules extends ChessRules { static get size() { return { x: 10, y: 11 }; @@ -24,7 +21,9 @@ export const VariantRules = class WildebeestRules extends ChessRules { static get steps() { return Object.assign( - ChessRules.steps, //add camel moves: + {}, + ChessRules.steps, + // Add camel moves: { c: [ [-3, -1], @@ -41,17 +40,14 @@ export const VariantRules = class WildebeestRules extends ChessRules { } static IsGoodEnpassant(enpassant) { - if (enpassant != "-") { - const squares = enpassant.split(","); - if (squares.length > 2) return false; - for (let sq of squares) { - const ep = V.SquareToCoords(sq); - if (isNaN(ep.x) || !V.OnBoard(ep)) return false; - } - } + if (enpassant != "-") return !!enpassant.match(/^([a-j][0-9]{1,2},?)+$/); return true; } + getPpath(b) { + return ([V.CAMEL, V.WILDEBEEST].includes(b[1]) ? "Wildebeest/" : "") + b; + } + // There may be 2 enPassant squares (if pawn jump 3 squares) getEnpassantFen() { const L = this.epSquares.length; @@ -117,8 +113,9 @@ export const VariantRules = class WildebeestRules extends ChessRules { const shiftX = color == "w" ? -1 : 1; const startRanks = color == "w" ? [sizeX - 2, sizeX - 3] : [1, 2]; const lastRank = color == "w" ? 0 : sizeX - 1; - const finalPieces = - x + shiftX == lastRank ? [V.ROOK, V.KNIGHT, V.BISHOP, V.QUEEN] : [V.PAWN]; + const finalPieces = x + shiftX == lastRank + ? [V.WILDEBEEST, V.QUEEN] + : [V.PAWN]; if (this.board[x + shiftX][y] == V.EMPTY) { // One square forward @@ -159,7 +156,7 @@ export const VariantRules = class WildebeestRules extends ChessRules { // En passant const Lep = this.epSquares.length; const epSquare = this.epSquares[Lep - 1]; - if (epSquare) { + if (!!epSquare) { for (let epsq of epSquare) { // TODO: some redundant checks if (epsq.x == x + shiftX && Math.abs(epsq.y - y) == 1) { @@ -195,28 +192,28 @@ export const VariantRules = class WildebeestRules extends ChessRules { ); } - isAttacked(sq, colors) { + isAttacked(sq, color) { return ( - super.isAttacked(sq, colors) || - this.isAttackedByCamel(sq, colors) || - this.isAttackedByWildebeest(sq, colors) + super.isAttacked(sq, color) || + this.isAttackedByCamel(sq, color) || + this.isAttackedByWildebeest(sq, color) ); } - isAttackedByCamel(sq, colors) { + isAttackedByCamel(sq, color) { return this.isAttackedBySlideNJump( sq, - colors, + color, V.CAMEL, V.steps[V.CAMEL], "oneStep" ); } - isAttackedByWildebeest(sq, colors) { + isAttackedByWildebeest(sq, color) { return this.isAttackedBySlideNJump( sq, - colors, + color, V.WILDEBEEST, V.steps[V.KNIGHT].concat(V.steps[V.CAMEL]), "oneStep" @@ -224,18 +221,15 @@ export const VariantRules = class WildebeestRules extends ChessRules { } getCurrentScore() { - if (this.atLeastOneMove()) - // game not over - return "*"; - + if (this.atLeastOneMove()) return "*"; // No valid move: game is lost (stalemate is a win) return this.turn == "w" ? "0-1" : "1-0"; } static get VALUES() { return Object.assign( - ChessRules.VALUES, - { c: 3, w: 7 } //experimental + { c: 3, w: 7 }, //experimental + ChessRules.VALUES ); } @@ -243,9 +237,24 @@ export const VariantRules = class WildebeestRules extends ChessRules { return 2; } - static GenRandInitFen() { - let pieces = { w: new Array(10), b: new Array(10) }; + static GenRandInitFen(randomness) { + if (!randomness) randomness = 2; + if (randomness == 0) { + return ( + "rnccwkqbbnr/ppppppppppp/92/92/92/92/92/92/PPPPPPPPPPP/RNBBQKWCCNR " + + "w 0 akak -" + ); + } + + let pieces = { w: new Array(11), b: new Array(11) }; + let flags = ""; for (let c of ["w", "b"]) { + if (c == 'b' && randomness == 1) { + pieces['b'] = pieces['w']; + flags += flags; + break; + } + let positions = ArrayFun.range(11); // Get random squares for bishops + camels (different colors) @@ -263,7 +272,7 @@ export const VariantRules = class WildebeestRules extends ChessRules { for (let idx of randIndexes.concat(randIndexes_tmp).sort((a, b) => { return b - a; })) { - //largest indices first + // Largest indices first positions.splice(idx, 1); } @@ -298,12 +307,14 @@ export const VariantRules = class WildebeestRules extends ChessRules { pieces[c][bishop2Pos] = "b"; pieces[c][knight2Pos] = "n"; pieces[c][rook2Pos] = "r"; + flags += V.CoordToColumn(rook1Pos) + V.CoordToColumn(rook2Pos); } return ( pieces["b"].join("") + - "/ppppppppppp/11/11/11/11/11/11/PPPPPPPPPPP/" + + "/ppppppppppp/92/92/92/92/92/92/PPPPPPPPPPP/" + pieces["w"].join("").toUpperCase() + - " w 0 1111 -" + " w 0 " + flags + " -" ); } + };