X-Git-Url: https://git.auder.net/?p=vchess.git;a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FExtinction.js;h=8d860aeb1cef5606ed1d30a0365d5fbb0313060e;hp=748f9e46d3e488a4d7f7e34abcaf01fc96fa642e;hb=dac395887d96e2d642b209c6db6aaacc3ffacb34;hpb=5fde3a01497262862afc4cb4c9457d4e0ad69a4a diff --git a/client/src/variants/Extinction.js b/client/src/variants/Extinction.js index 748f9e46..8d860aeb 100644 --- a/client/src/variants/Extinction.js +++ b/client/src/variants/Extinction.js @@ -2,130 +2,130 @@ import { ChessRules } from "@/base_rules"; 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": - { - [V.KING]: pos.match(/K/g).length, - [V.QUEEN]: pos.match(/Q/g).length, - [V.ROOK]: pos.match(/R/g).length, - [V.KNIGHT]: pos.match(/N/g).length, - [V.BISHOP]: pos.match(/B/g).length, - [V.PAWN]: pos.match(/P/g).length - }, - "b": - { - [V.KING]: pos.match(/k/g).length, - [V.QUEEN]: pos.match(/q/g).length, - [V.ROOK]: pos.match(/r/g).length, - [V.KNIGHT]: pos.match(/n/g).length, - [V.BISHOP]: pos.match(/b/g).length, - [V.PAWN]: pos.match(/p/g).length - } - }; - } + 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": + { + [V.KING]: pos.match(/K/g).length, + [V.QUEEN]: pos.match(/Q/g).length, + [V.ROOK]: pos.match(/R/g).length, + [V.KNIGHT]: pos.match(/N/g).length, + [V.BISHOP]: pos.match(/B/g).length, + [V.PAWN]: pos.match(/P/g).length + }, + "b": + { + [V.KING]: pos.match(/k/g).length, + [V.QUEEN]: pos.match(/q/g).length, + [V.ROOK]: pos.match(/r/g).length, + [V.KNIGHT]: pos.match(/n/g).length, + [V.BISHOP]: pos.match(/b/g).length, + [V.PAWN]: pos.match(/p/g).length + } + }; + } - 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); + 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); - 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})); - // 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 (y0 && 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"); - } - return "*"; - } + getCurrentScore() + { + if (this.atLeastOneMove()) // game not over? + { + const color = this.turn; + 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() - { - const color = this.turn; - 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 super.evalPosition(); - } + evalPosition() + { + const color = this.turn; + 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 super.evalPosition(); + } }