import { ArrayFun } from "@/utils/array";
import { randInt, shuffle } from "@/utils/alea";
-export const VariantRules = class CylinderRules extends ChessRules {
+export class CylinderRules extends ChessRules {
+
// Output basically x % 8 (circular board)
static ComputeY(y) {
let res = y % V.size.y;
getSlideNJumpMoves([x, y], steps, oneStep) {
let moves = [];
+ // Don't add move twice when running on an infinite rank:
+ let infiniteSteps = {};
outerLoop: for (let step of steps) {
+ if (!!infiniteSteps[(-step[0]) + "." + (-step[1])]) continue;
let i = x + step[0];
let j = V.ComputeY(y + step[1]);
while (V.OnBoard(i, j) && this.board[i][j] == V.EMPTY) {
i += step[0];
j = V.ComputeY(j + step[1]);
}
- if (V.OnBoard(i, j) && this.canTake([x, y], [i, j]))
- moves.push(this.getBasicMove([x, y], [i, j]));
+ if (V.OnBoard(i, j)) {
+ if (i == x && j == y)
+ // Looped back onto initial square
+ infiniteSteps[step[0] + "." + step[1]] = true;
+ else if (this.canTake([x, y], [i, j]))
+ moves.push(this.getBasicMove([x, y], [i, j]));
+ }
}
return moves;
}
k: 1000
};
}
+
};