variants/Atomic/class.js

   1 import ChessRules from "/base_rules.js";
   2 import PiPo from "/utils/PiPo.js";
   3 import Move from "/utils/Move.js";
   4
   5 export default class AtomicRules extends ChessRules {
   6
   7   static get Options() {
   8     return {
   9       select: C.Options.select,
  10       input: [
  11         {
  12           label: "Balanced",
  13           variable: "rempawn",
  14           type: "checkbox",
  15           defaut: false
  16         },
  17         {
  18           label: "Falling pawn",
  19           variable: "pawnfall",
  20           type: "checkbox",
  21           defaut: false
  22         }
  23       ],
  24       styles: C.Options.styles.filter(s => s != "atomic")
  25     };
  26   }
  27
  28   constructor(o) {
  29     o.options["atomic"] = true;
  30     super(o);
  31   }
  32
  33   canIplay(x, y) {
  34     if (this.options["rempawn"] && this.movesCount == 0)
  35       return (this.playerColor == this.turn && this.getPiece(x, y) == "p");
  36     return super.canIplay(x, y);
  37   }
  38
  39   getPotentialMovesFrom([x, y], color) {
  40     if (this.options["rempawn"] && this.movesCount == 0) {
  41       if ([1, 6].includes(x)) {
  42         const c = this.getColor(x, y);
  43         return [
  44           new Move({
  45             appear: [],
  46             vanish: [
  47               new PiPo({
  48                 x: x,
  49                 y: y,
  50                 p: "p",
  51                 c: c
  52               })
  53             ],
  54             start: { x: x, y: y },
  55             end: { x: x, y: y }
  56           })
  57         ];
  58       }
  59       return [];
  60     }
  61     return super.getPotentialMovesFrom([x, y], color);
  62   }
  63
  64   doClick(square) {
  65     if (!this.options["rempawn"] || this.movesCount >= 1)
  66       return super.doClick(square);
  67     const [x, y] = [square[0], square[1]];
  68     const moves = this.getPotentialMovesFrom([x, y]);
  69     return (moves.length >= 1 ? moves[0] : null);
  70   }
  71
  72 };