client/src/variants/Pawns.js

   1 import { ChessRules } from "@/base_rules";
   2
   3 export class PawnsRules extends ChessRules {
   4
   5   static get Options() {
   6     return null;
   7   }
   8
   9   static get PawnSpecs() {
  10     return Object.assign(
  11       {},
  12       ChessRules.PawnSpecs,
  13       // The promotion piece doesn't matter, the game is won
  14       { promotions: [V.QUEEN] }
  15     );
  16   }
  17
  18   static get HasFlags() {
  19     return false;
  20   }
  21
  22   scanKings() {}
  23
  24   static GenRandInitFen() {
  25     return "8/pppppppp/8/8/8/8/PPPPPPPP/8 w 0 -";
  26   }
  27
  28   filterValid(moves) {
  29     return moves;
  30   }
  31
  32   getCheckSquares() {
  33     return [];
  34   }
  35
  36   getCurrentScore() {
  37     const oppCol = V.GetOppCol(this.turn);
  38     if (this.board.some(b =>
  39       b.some(cell => cell[0] == oppCol && cell[1] != V.PAWN))
  40     ) {
  41       return (oppCol == 'w' ? "1-0" : "0-1");
  42     }
  43     if (!this.atLeastOneMove()) return "1/2";
  44     return "*";
  45   }
  46
  47   postPlay() {}
  48   postUndo() {}
  49
  50   static get SEARCH_DEPTH() {
  51     return 4;
  52   }
  53
  54 };