import { randInt } from "@/utils/alea";
export class Antiking2Rules extends ChessRules {
+
static get ANTIKING() {
return "a";
}
return b[1] == "a" ? "Antiking/" + b : b;
}
+ static IsGoodPosition(position) {
+ if (!ChessRules.IsGoodPosition(position)) return false;
+ const rows = position.split("/");
+ // Check that exactly one antiking of each color is there:
+ let antikings = { 'a': 0, 'A': 0 };
+ for (let row of rows) {
+ for (let i = 0; i < row.length; i++)
+ if (['A','a'].includes(row[i])) antikings[row[i]]++;
+ }
+ if (Object.values(antikings).some(v => v != 1)) return false;
+ return true;
+ }
+
setOtherVariables(fen) {
super.setOtherVariables(fen);
this.antikingPos = { w: [-1, -1], b: [-1, -1] };
this.antikingPos["w"] = [i, k];
break;
default: {
- const num = parseInt(rows[i].charAt(j));
+ const num = parseInt(rows[i].charAt(j), 10);
if (!isNaN(num)) k += num - 1;
}
}
getPotentialAntikingMoves(sq) {
// The antiking moves like a king (only captured colors differ)
return this.getSlideNJumpMoves(
- sq,
- V.steps[V.ROOK].concat(V.steps[V.BISHOP]),
- "oneStep"
- );
+ sq, V.steps[V.ROOK].concat(V.steps[V.BISHOP]), 1);
}
isAttacked(sq, color) {
// (Anti)King is not attacked by antiking
if ([V.KING, V.ANTIKING].includes(this.getPiece(x, y))) return false;
return this.isAttackedBySlideNJump(
- [x, y],
- color,
- V.ANTIKING,
- V.steps[V.ROOK].concat(V.steps[V.BISHOP]),
- "oneStep"
- );
+ [x, y], color, V.ANTIKING, V.steps[V.ROOK].concat(V.steps[V.BISHOP]), 1);
}
underCheck(color) {
return res;
}
- getCheckSquares(color) {
+ getCheckSquares() {
+ const color = this.turn;
let res = [];
const oppCol = V.GetOppCol(color);
if (this.isAttacked(this.kingPos[color], oppCol))
);
}
- static GenRandInitFen(randomness) {
- if (randomness == 0)
+ static GenRandInitFen(options) {
+ if (options.randomness == 0)
return "rnbqkbnr/pppppppp/3A4/8/8/3a4/PPPPPPPP/RNBQKBNR w 0 ahah -";
let pieces = { w: new Array(8), b: new Array(8) };
let flags = "";
let antikingPos = { w: -1, b: -1 };
for (let c of ["w", "b"]) {
- if (c == 'b' && randomness == 1) {
+ if (c == 'b' && options.randomness == 1) {
pieces['b'] = pieces['w'];
antikingPos['b'] = antikingPos['w'];
flags += flags;
static get SEARCH_DEPTH() {
return 2;
}
+
};