X-Git-Url: https://git.auder.net/?p=vchess.git;a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FExtinction.js;h=75db0e1120b763975f9f0b7a5f131e6324d0a31d;hp=8d860aeb1cef5606ed1d30a0365d5fbb0313060e;hb=6808d7a16ec1e761c6a2dffec2281c96953e4d89;hpb=ae2c49bb0bbaac3953f63be5b720e9c6835f00b6 diff --git a/client/src/variants/Extinction.js b/client/src/variants/Extinction.js index 8d860aeb..75db0e11 100644 --- a/client/src/variants/Extinction.js +++ b/client/src/variants/Extinction.js @@ -1,17 +1,13 @@ import { ChessRules } from "@/base_rules"; -export const VariantRules = class ExtinctionRules extends ChessRules -{ - setOtherVariables(fen) - { +export const VariantRules = class ExtinctionRules extends ChessRules { + setOtherVariables(fen) { super.setOtherVariables(fen); const pos = V.ParseFen(fen).position; // NOTE: no need for safety "|| []", because each piece type must be present // (otherwise game is already over!) - this.material = - { - "w": - { + this.material = { + w: { [V.KING]: pos.match(/K/g).length, [V.QUEEN]: pos.match(/Q/g).length, [V.ROOK]: pos.match(/R/g).length, @@ -19,8 +15,7 @@ export const VariantRules = class ExtinctionRules extends ChessRules [V.BISHOP]: pos.match(/B/g).length, [V.PAWN]: pos.match(/P/g).length }, - "b": - { + b: { [V.KING]: pos.match(/k/g).length, [V.QUEEN]: pos.match(/q/g).length, [V.ROOK]: pos.match(/r/g).length, @@ -31,29 +26,37 @@ export const VariantRules = class ExtinctionRules extends ChessRules }; } - getPotentialPawnMoves([x,y]) - { - let moves = super.getPotentialPawnMoves([x,y]); + getPotentialPawnMoves([x, y]) { + let moves = super.getPotentialPawnMoves([x, y]); // Add potential promotions into king const color = this.turn; - const shift = (color == "w" ? -1 : 1); - const lastRank = (color == "w" ? 0 : V.size.x-1); + const shift = color == "w" ? -1 : 1; + const lastRank = color == "w" ? 0 : V.size.x - 1; - if (x+shift == lastRank) - { + if (x + shift == lastRank) { // Normal move - if (this.board[x+shift][y] == V.EMPTY) - moves.push(this.getBasicMove([x,y], [x+shift,y], {c:color,p:V.KING})); + if (this.board[x + shift][y] == V.EMPTY) + moves.push( + this.getBasicMove([x, y], [x + shift, y], { c: color, p: V.KING }) + ); // Captures - if (y>0 && this.board[x+shift][y-1] != V.EMPTY - && this.canTake([x,y], [x+shift,y-1])) - { - moves.push(this.getBasicMove([x,y], [x+shift,y-1], {c:color,p:V.KING})); + if ( + y > 0 && + this.board[x + shift][y - 1] != V.EMPTY && + this.canTake([x, y], [x + shift, y - 1]) + ) { + moves.push( + this.getBasicMove([x, y], [x + shift, y - 1], { c: color, p: V.KING }) + ); } - if (y { return this.material[color][p] == 0; })) - { - return (this.turn == "w" ? "0-1" : "1-0"); + if ( + Object.keys(this.material[color]).some(p => { + return this.material[color][p] == 0; + }) + ) { + return this.turn == "w" ? "0-1" : "1-0"; } return "*"; } - return (this.turn == "w" ? "0-1" : "1-0"); //NOTE: currently unreachable... + return this.turn == "w" ? "0-1" : "1-0"; //NOTE: currently unreachable... } - evalPosition() - { + evalPosition() { const color = this.turn; - if (Object.keys(this.material[color]).some( - p => { return this.material[color][p] == 0; })) - { + if ( + Object.keys(this.material[color]).some(p => { + return this.material[color][p] == 0; + }) + ) { // Very negative (resp. positive) if white (reps. black) pieces set is incomplete - return (color=="w"?-1:1) * V.INFINITY; + return (color == "w" ? -1 : 1) * V.INFINITY; } return super.evalPosition(); } -} +};