public/javascripts/variants/Dark.js

   1 class Chess960Rules extends ChessRules
   2 {
   3     // Standard rules, in the shadow
   4     setOtherVariables(fen)
   5     {
   6         super.setOtherVariables(fen);
   7         const [sizeX,sizeY] = {V.size.x,V.size.y};
   8         this.enlightened = {
   9             "w": doubleArray(sizeX,sizeY,false),
  10             "b": doubleArray(sizeX,sizeY,false)
  11         };
  12         setup enlightened: squares reachable by each side (TODO: one side would be enough)
  13     }
  14
  15     isEnlightened(x, y, color)
  16     {
  17         //TODO: artificlaly change turn
  18     }
  19
  20     getAllPotentialMoves()
  21     {
  22         let moves = []; //TODO
  23     }
  24
  25     atLeastOneMove()
  26     {
  27         if (this.kingPos[this.turn][0] < 0)
  28             return false;
  29         return true; //TODO: is it right?
  30     }
  31
  32     underCheck(move)
  33     {
  34         return false; //there is no check
  35     }
  36
  37     getCheckSquares(move)
  38     {
  39         const c = this.getOppCol(this.turn); //opponent
  40         const saveKingPos = this.kingPos[c]; //king might be taken
  41         this.play(move);
  42         // The only way to be "under check" is to have lost the king (thus game over)
  43         let res = this.kingPos[c][0] < 0
  44             ? [JSON.parse(JSON.stringify(saveKingPos))]
  45             : [];
  46         this.undo(move);
  47         return res;
  48     }
  49
  50     // NOTE: no (un)updateVariables() because no computer mode
  51     // --> but isEnlightened() should have its variable updated
  52     // --> in fact an array is enough (no need for a function)
  53     // recomputed after every play/undo (although there are no undo here for now)
  54
  55     checkGameEnd()
  56     {
  57         // No valid move: our king disappeared
  58         return this.turn == "w" ? "0-1" : "1-0";
  59     }
  60
  61     static get THRESHOLD_MATE()
  62     {
  63         return 500; //checkmates evals may be slightly below 1000
  64     }
  65 }
  66
  67 const VariantRules = DarkRules;