client/src/variants/Rifle.js

   1 import { ChessRules, PiPo, Move } from "@/base_rules";
   2
   3 export const VariantRules = class RifleRules extends ChessRules {
   4   static get HasEnpassant() {
   5     // Due to the capturing mode, en passant is disabled
   6     return false;
   7   }
   8
   9   getBasicMove([sx, sy], [ex, ey], tr) {
  10     let mv = new Move({
  11       appear: [],
  12       vanish: [],
  13       start: {x:sx, y:sy},
  14       end: {x:ex, y:ey}
  15     });
  16     if (this.board[ex][ey] != V.EMPTY) {
  17       // No movement: just vanishing enemy piece
  18       mv.vanish = [
  19         new PiPo({
  20           x: ex,
  21           y: ey,
  22           c: this.getColor(ex, ey),
  23           p: this.getPiece(ex, ey)
  24         })
  25       ];
  26     }
  27     else {
  28       // Normal move
  29       mv.appear = [
  30         new PiPo({
  31           x: ex,
  32           y: ey,
  33           c: tr ? tr.c : this.getColor(sx, sy),
  34           p: tr ? tr.p : this.getPiece(sx, sy)
  35         })
  36       ];
  37       mv.vanish = [
  38         new PiPo({
  39           x: sx,
  40           y: sy,
  41           c: this.getColor(sx, sy),
  42           p: this.getPiece(sx, sy)
  43         })
  44       ];
  45     }
  46
  47     return mv;
  48   }
  49 };