variants/Benedict/class.js

   1 import AbstractFlipRules from "/variants/_Flip/class.js";
   2
   3 export default class BenedictRules extends AbstractFlipRules {
   4
   5   static get Options() {
   6     return {
   7       select: C.Options.select,
   8       input: [
   9         {
  10           label: "Cleopatra",
  11           variable: "cleopatra",
  12           type: "checkbox",
  13           defaut: false
  14         }
  15       ],
  16       styles: [
  17         "balance",
  18         "cylinder",
  19         "dark",
  20         "doublemove",
  21         "progressive",
  22         "zen"
  23       ]
  24     };
  25   }
  26
  27   pieces(color, x, y) {
  28     if (!this.options["cleopatra"])
  29       return super.pieces(color, x, y);
  30     const allSpecs = super.pieces(color, x, y);
  31     return Object.assign({},
  32       allSpecs,
  33       {'q': Object.assign({}, allSpecs['q'], {"class": "cleopatra"})}
  34     );
  35   }
  36
  37   postProcessPotentialMoves(moves) {
  38     const oppCol = C.GetOppCol(this.turn);
  39     let bMoves = super.postProcessPotentialMoves(moves);
  40     bMoves.forEach(m => {
  41       m.flips = [];
  42       if (!this.options["cleopatra"] || m.vanish[0].p == 'q') {
  43         super.playOnBoard(m);
  44         let attacks = super.findDestSquares(
  45           [m.end.x, m.end.y],
  46           {
  47             attackOnly: true,
  48             segments: this.options["cylinder"]
  49           },
  50           ([i1, j1], [i2, j2]) => {
  51             return (
  52               super.canTake([i1, j1], [i2, j2]) &&
  53               (!this.options["zen"] || this.getPiece(i2, j2) == 'k')
  54             );
  55           }
  56         );
  57         if (this.options["zen"]) {
  58           const zenAttacks = super.findCapturesOn(
  59             [m.end.x, m.end.y],
  60             {
  61               byCol: [oppCol],
  62               segments: this.options["cylinder"]
  63             },
  64             ([i1, j1], [i2, j2]) =>
  65               this.getPiece(i1, j1) != 'k' && super.canTake([i2, j2], [i1, j1])
  66           );
  67           Array.prototype.push.apply(attacks, zenAttacks);
  68         }
  69         super.undoOnBoard(m);
  70         attacks.forEach(a => m.flips.push({x: a.sq[0], y: a.sq[1]}));
  71       }
  72     });
  73     return bMoves;
  74   }
  75
  76 };