client/src/variants/Wormhole.js

   1 import { ChessRules, PiPo, Move } from "@/base_rules";
   2 import { ArrayFun } from "@/utils/array";
   3 import { randInt } from "@/utils/alea";
   4
   5 // TODO:
   6 // Short-range pieces:
   7 // rook 1 or 2 squares orthogonal
   8 // bishop 1 or 2 diagonal
   9 // queen = bishop + rook
  10 // knight: one square orthogonal + 1 diagonal (only acepted desc)
  11 // no castle or en passant. Promotion possible only by capture (otherwise hole)
  12
  13 export const VariantRules = class WormholeRules extends ChessRules {
  14   // TODO: redefine pieces movements, taking care of holes (auxiliary func: getSquareAfter(shiftX,shiftY))
  15   // this aux func could return null / undefined
  16   // revoir getPotentialMoves et isAttacked : tout ce qui touche au board avec calcul,
  17   // car les "board[x+..][y+..]" deviennent des board[getSquareAfter...]
  18   // Special FEN sign for holes: 'x'
  19
  20   static get HasFlags() {
  21     return false;
  22   }
  23
  24   static get HasEnpassant() {
  25     return false;
  26   }
  27
  28   getSquareAfter(sq, shift) {
  29     // TODO
  30   }
  31
  32   getPpath(b) {
  33     if (b.indexOf('x') >= 0)
  34       return "Wormhole/hole.svg";
  35     return b;
  36   }
  37
  38   // TODO: postUpdateVars: board[start] = "xx"; --> V.HOLE
  39
  40   updateVariables(move) {
  41     super.updateVariables(move);
  42   }
  43
  44   unupdateVariables(move) {
  45     super.unupdateVariables(move);
  46   }
  47
  48   getNotation(move) {
  49     const piece = this.getPiece(move.start.x, move.start.y);
  50     // Indicate start square + dest square, because holes distort the board
  51     let notation =
  52       piece.toUpperCase() +
  53       V.CoordsToSquare(move.start) +
  54       (move.vanish.length > move.appear.length ? "x" : "") +
  55       V.CoordsToSquare(move.end);
  56     if (piece == V.PAWN && move.appear[0].p != V.PAWN)
  57       // Promotion
  58       notation += "=" + move.appear[0].p.toUpperCase();
  59     return notation;
  60   }
  61 };