X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FGrasshopper.js;h=5069e2317a10cd4f119491ac78d2a06e664419e3;hb=cd49e617866590dbc68530ad961b109cdbe1ce55;hp=ec52d9b3f635c1a619fd0bd87109e865344a56dd;hpb=68e19a449db7a12e0a168e99cd750d985c983ba1;p=vchess.git diff --git a/client/src/variants/Grasshopper.js b/client/src/variants/Grasshopper.js index ec52d9b3..5069e231 100644 --- a/client/src/variants/Grasshopper.js +++ b/client/src/variants/Grasshopper.js @@ -2,11 +2,22 @@ import { ChessRules } from "@/base_rules"; import { ArrayFun } from "@/utils/array"; import { randInt } from "@/utils/alea"; -export const VariantRules = class GrasshopperRules extends ChessRules { +export class GrasshopperRules extends ChessRules { static get HasEnpassant() { return false; } + static get PawnSpecs() { + return Object.assign( + {}, + ChessRules.PawnSpecs, + { + twoSquares: false, + promotions: ChessRules.PawnSpecs.promotions.concat([V.GRASSHOPPER]) + } + ); + } + static get GRASSHOPPER() { return "g"; } @@ -28,51 +39,6 @@ export const VariantRules = class GrasshopperRules extends ChessRules { } } - getPotentialPawnMoves([x, y]) { - const color = this.turn; - let moves = []; - const [sizeX, sizeY] = [V.size.x, V.size.y]; - const shiftX = color == "w" ? -1 : 1; - const lastRank = color == "w" ? 0 : sizeX - 1; - - const finalPieces = - x + shiftX == lastRank - ? [V.ROOK, V.KNIGHT, V.BISHOP, V.QUEEN, V.GRASSHOPPER] - : [V.PAWN]; - if (this.board[x + shiftX][y] == V.EMPTY) { - // One square forward - for (let piece of finalPieces) { - moves.push( - this.getBasicMove([x, y], [x + shiftX, y], { - c: color, - p: piece - }) - ); - } - // No 2-squares jump - } - // Captures - for (let shiftY of [-1, 1]) { - if ( - y + shiftY >= 0 && - y + shiftY < sizeY && - this.board[x + shiftX][y + shiftY] != V.EMPTY && - this.canTake([x, y], [x + shiftX, y + shiftY]) - ) { - for (let piece of finalPieces) { - moves.push( - this.getBasicMove([x, y], [x + shiftX, y + shiftY], { - c: color, - p: piece - }) - ); - } - } - } - - return moves; - } - getPotentialGrasshopperMoves([x, y]) { let moves = []; // Look in every direction until an obstacle (to jump) is met