variants/Clorange/class.js

   1 import ChessRules from "/base_rules.js";
   2
   3 export default class ClorangeRules extends ChessRules {
   4
   5   static get Options() {
   6     return {
   7       select: C.Options.select,
   8       styles:
   9         C.Options.styles.filter(s => !["crazyhouse","recycle"].includes(s))
  10     };
  11   }
  12
  13   get hasReserve() {
  14     return true;
  15   }
  16
  17   pieces(color, x, y) {
  18     let res = super.pieces(color, x, y);
  19     res['s'] = {"class": "nv-pawn", moveas: "p"};
  20     res['u'] = {"class": "nv-rook", moveas: "r"};
  21     res['o'] = {"class": "nv-knight", moveas: "n"};
  22     res['c'] = {"class": "nv-bishop", moveas: "b"};
  23     res['t'] = {"class": "nv-queen", moveas: "q"};
  24     return res;
  25   }
  26
  27   static get V_PIECES() {
  28     return ['p', 'r', 'n', 'b', 'q'];
  29   }
  30   static get NV_PIECES() {
  31     return ['s', 'u', 'o', 'c', 't'];
  32   }
  33   static get ReserveArray() {
  34     return V.V_PIECES.concat(V.NV_PIECES);
  35   }
  36
  37   // Forbid non-violent pieces to capture
  38   canTake([x1, y1], [x2, y2]) {
  39     return (
  40       this.getColor(x1, y1) !== this.getColor(x2, y2) &&
  41       (['k'].concat(V.V_PIECES)).includes(this.getPiece(x1, y1))
  42     );
  43   }
  44
  45   pawnPostProcess(moves, color, oppCols) {
  46     let res = super.pawnPostProcess(moves, color, oppCols);
  47     if (res.length > 0 && res[0].vanish[0].p == 's') {
  48       // Fix promotions of non-violent pawns (if any)
  49       res.forEach(m => {
  50         if (m.appear[0].p != 's')
  51           m.appear[0].p = V.NV_PIECES[V.V_PIECES.indexOf(m.appear[0].p)];
  52       });
  53     }
  54     return res;
  55   }
  56
  57   prePlay(move) {
  58     super.prePlay(move);
  59     // NOTE: drop moves already taken into account in base prePlay()
  60     if (move.vanish.length == 2 && move.appear.length == 1) {
  61       const normal = V.V_PIECES.includes(move.vanish[1].p);
  62       const pIdx =
  63         (normal ? V.V_PIECES : V.NV_PIECES).indexOf(move.vanish[1].p);
  64       const resPiece = (normal ? V.NV_PIECES : V.V_PIECES)[pIdx];
  65       super.updateReserve(C.GetOppTurn(this.turn), resPiece,
  66         this.reserve[C.GetOppTurn(this.turn)][resPiece] + 1);
  67     }
  68   }
  69
  70 };