import { shuffle } from "@/utils/alea";
export class BallRules extends ChessRules {
+
static get Lines() {
return [
// White goal:
}
static get BALL() {
- // Ball is already taken:
+ // 'b' is already taken:
return "aa";
}
const rows = position.split("/");
if (rows.length != V.size.x) return false;
let pieces = { "w": 0, "b": 0 };
- const withBall = Object.keys(V.HAS_BALL_DECODE).concat([V.BALL]);
+ const withBall = Object.keys(V.HAS_BALL_DECODE).concat(['a']);
let ballCount = 0;
for (let row of rows) {
let sumElts = 0;
for (let i = 0; i < row.length; i++) {
const lowerRi = row[i].toLowerCase();
if (V.PIECES.includes(lowerRi)) {
- if (lowerRi != V.BALL) pieces[row[i] == lowerRi ? "b" : "w"]++;
+ if (lowerRi != 'a') pieces[row[i] == lowerRi ? "b" : "w"]++;
if (withBall.includes(lowerRi)) ballCount++;
sumElts++;
- } else {
- const num = parseInt(row[i]);
+ }
+ else {
+ const num = parseInt(row[i], 10);
if (isNaN(num)) return false;
sumElts += num;
}
const withPrefix =
Object.keys(V.HAS_BALL_DECODE)
.concat([V.PHOENIX])
- .concat(['a']);
+ .concat(['a', 'w']); //TODO: 'w' for backward compatibility - to remove
if (withPrefix.includes(b[1])) prefix = "Ball/";
return prefix + b;
}
);
}
- static GenRandInitFen(randomness) {
- if (randomness == 0)
+ static GenRandInitFen(options) {
+ if (options.randomness == 0)
return "hbnrqrnhb/ppppppppp/9/9/4a4/9/9/PPPPPPPPP/HBNRQRNHB w 0 - -";
let pieces = { w: new Array(9), b: new Array(9) };
for (let c of ["w", "b"]) {
- if (c == 'b' && randomness == 1) {
+ if (c == 'b' && options.randomness == 1) {
pieces['b'] = pieces['w'];
break;
}
if (rem2 == positions[1] % 2) {
// Fix bishops (on different colors)
for (let i=4; i<9; i++) {
- if (positions[i] % 2 != rem2)
+ if (positions[i] % 2 != rem2) {
[positions[1], positions[i]] = [positions[i], positions[1]];
+ break;
+ }
}
}
rem2 = positions[2] % 2;
})
);
}
- } else if (mv.vanish[1].c == mv.vanish[0].c) {
+ }
+ else if (mv.vanish[1].c == mv.vanish[0].c) {
// Pass the ball: the passing unit does not disappear
mv.appear.push(JSON.parse(JSON.stringify(mv.vanish[0])));
mv.appear[0].p = V.HAS_BALL_CODE[mv.vanish[1].p];
if (
m.vanish.length == 2 &&
m.vanish[1].p != 'a' &&
+ m.vanish[0].c != m.vanish[1].c &&
Object.keys(V.HAS_BALL_DECODE).includes(m.appear[0].p)
) {
const color = this.turn;
return moves;
}
- // "Sliders": at most 3 steps
- getSlideNJumpMoves([x, y], steps, oneStep) {
- let moves = [];
- outerLoop: for (let step of steps) {
- let i = x + step[0];
- let j = y + step[1];
- let stepCount = 1;
- while (V.OnBoard(i, j) && this.board[i][j] == V.EMPTY) {
- moves.push(this.getBasicMove([x, y], [i, j]));
- if (oneStep || stepCount == 3) continue outerLoop;
- i += step[0];
- j += step[1];
- stepCount++;
- }
- if (V.OnBoard(i, j) && this.canTake([x, y], [i, j]))
- moves.push(this.getBasicMove([x, y], [i, j]));
- }
- return moves;
+ getSlideNJumpMoves(sq, steps, nbSteps) {
+ // "Sliders": at most 3 steps
+ return super.getSlideNJumpMoves(sq, steps, !nbSteps ? 3 : 1);
}
getPotentialPhoenixMoves(sq) {
- return this.getSlideNJumpMoves(sq, V.steps[V.PHOENIX], "oneStep");
+ return super.getSlideNJumpMoves(sq, V.steps[V.PHOENIX], 1);
}
getPmove(move) {
finalSquare
);
}
+
};