return ([V.CHAMPION, V.WIZARD].includes(b[1]) ? "Omega/" : "") + b;
}
+ static IsGoodPosition(position) {
+ if (position.length == 0) return false;
+ const rows = position.split("/");
+ if (rows.length != V.size.x) return false;
+ let kings = { "k": 0, "K": 0 };
+ for (let row of rows) {
+ let sumElts = 0;
+ for (let i = 0; i < row.length; i++) {
+ if (['K','k'].includes(row[i])) kings[row[i]]++;
+ if (['x'].concat(V.PIECES).includes(row[i].toLowerCase())) sumElts++;
+ else {
+ const num = parseInt(row[i]);
+ if (isNaN(num)) return false;
+ sumElts += num;
+ }
+ }
+ if (sumElts != V.size.y) return false;
+ }
+ if (Object.values(kings).some(v => v != 1)) return false;
+ return true;
+ }
+
// NOTE: keep this extensive check because the board has holes
static IsGoodEnpassant(enpassant) {
if (enpassant != "-") {
return res.slice(0, -1); //remove last comma
}
+ canTake([x1, y1], [x2, y2]) {
+ return (
+ // Cannot take wall :)
+ this.board[x2][y2] != V.NOTHING &&
+ this.getColor(x1, y1) !== this.getColor(x2, y2)
+ );
+ }
+
// En-passant after 2-sq or 3-sq jumps
getEpSquare(moveOrSquare) {
if (!moveOrSquare) return undefined;
}
}
- getEnpassanCaptures([x, y], shiftX) {
+ getEnpassantCaptures([x, y], shiftX) {
const Lep = this.epSquares.length;
const epSquare = this.epSquares[Lep - 1];
let moves = [];