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   getReserveFen(o) {
  18     if (o.init)
  19       return "00000000000000000000";
  20     return (
  21       ["w","b"].map(c => Object.values(this.reserve[c]).join("")).join("")
  22     );
  23   }
  24
  25   pieces(color, x, y) {
  26     let res = super.pieces(color, x, y);
  27     res['s'] = {"class": "nv-pawn", moveas: "p"};
  28     res['u'] = {"class": "nv-rook", moveas: "r"};
  29     res['o'] = {"class": "nv-knight", moveas: "n"};
  30     res['c'] = {"class": "nv-bishop", moveas: "b"};
  31     res['t'] = {"class": "nv-queen", moveas: "q"};
  32     return res;
  33   }
  34
  35   static get V_PIECES() {
  36     return ['p', 'r', 'n', 'b', 'q'];
  37   }
  38   static get NV_PIECES() {
  39     return ['s', 'u', 'o', 'c', 't'];
  40   }
  41
  42   setOtherVariables(fen) {
  43     super.setOtherVariables(fen, V.V_PIECES.concat(V.NV_PIECES));
  44   }
  45
  46   // Forbid non-violent pieces to capture
  47   canTake([x1, y1], [x2, y2]) {
  48     return (
  49       this.getColor(x1, y1) !== this.getColor(x2, y2) &&
  50       (['k'].concat(V.V_PIECES)).includes(this.getPiece(x1, y1))
  51     );
  52   }
  53
  54   prePlay(move) {
  55     super.prePlay(move);
  56     // No crazyhouse or recycle, so the last call didn't update reserve:
  57     if (
  58       (move.vanish.length == 2 && move.appear.length == 1) ||
  59       move.vanish.length == 0 //drop
  60     ) {
  61       const trPiece =
  62         (move.vanish.length > 0 ? move.vanish[1].p : move.appear[0].p);
  63       const normal = V.V_PIECES.includes(trPiece);
  64       const pIdx = (normal ? V.V_PIECES : V.NV_PIECES).indexOf(trPiece);
  65       const resPiece = (normal ? V.NV_PIECES : V.V_PIECES)[pIdx];
  66       if (move.vanish.length > 0) {
  67         super.updateReserve(C.GetOppTurn(this.turn), resPiece,
  68           this.reserve[C.GetOppTurn(this.turn)][resPiece] + 1);
  69       }
  70       else {
  71         super.updateReserve(this.turn, resPiece,
  72           this.reserve[this.turn][resPiece] - 1);
  73       }
  74     }
  75   }
  76
  77 };