return (b[1] == V.KNIGHT ? "Enpassant/" : "") + b;
}
- static GenRandInitFen(randomness) {
- if (randomness == 0)
+ static GenRandInitFen(options) {
+ if (options.randomness == 0)
return "92/92/92/92/92/92/92/92/92/qrbnp1PNBRQ/krbnp1PNBRK w 0";
let pieces = { w: new Array(10), b: new Array(10) };
// Shuffle pieces on first and second rank
for (let c of ["w", "b"]) {
- if (c == 'b' && randomness == 1) {
+ if (c == 'b' && options.randomness == 1) {
pieces['b'] = JSON.parse(JSON.stringify(pieces['w'])).reverse();
pieces['b'] =
pieces['b'].splice(5,10).reverse().concat(
);
}
+ // TODO: simplify this when base function is more general.
getPotentialPawnMoves([x, y]) {
// Normal moves (as a rook)
let moves =
isAttackedByPawn([x, y], color) {
// Pawns can capture forward and backward:
- for (let pawnShift of [-1, 1]) {
- if (0 < x + pawnShift && x + pawnShift < V.size.x) {
- for (let i of [-1, 1]) {
- if (
- y + i >= 0 &&
- y + i < V.size.y &&
- this.getPiece(x + pawnShift, y + i) == V.PAWN &&
- this.getColor(x + pawnShift, y + i) == color
- ) {
- return true;
- }
- }
- }
- }
- return false;
+ return this.isAttackedBySlideNJump(
+ sq, color, V.PAWN, V.steps[V.BISHOP], 1);
}
isAttackedByKnight(sq, color) {
return this.isAttackedBySlideNJump(
- sq,
- color,
- V.KNIGHT,
- V.steps[V.KNIGHT]
- );
+ sq, color, V.KNIGHT, V.steps[V.KNIGHT]);
}
getCurrentScore() {