import { ChessRules, PiPo, Move } from "@/base_rules";
-export const VariantRules = class RifleRules extends ChessRules {
+export class RifleRules extends ChessRules {
getBasicMove([sx, sy], [ex, ey], tr) {
let mv = new Move({
appear: [],
return mv;
}
- getPotentialPawnMoves([x, y]) {
- const color = this.turn;
+ getEnpassantCaptures([x, y], shiftX) {
let moves = [];
- const [sizeX, sizeY] = [V.size.x, V.size.y];
- const shiftX = color == "w" ? -1 : 1;
- const startRank = color == "w" ? sizeX - 2 : 1;
- const lastRank = color == "w" ? 0 : sizeX - 1;
-
- const finalPieces =
- x + shiftX == lastRank
- ? [V.ROOK, V.KNIGHT, V.BISHOP, V.QUEEN]
- : [V.PAWN];
- if (this.board[x + shiftX][y] == V.EMPTY) {
- for (let piece of finalPieces) {
- moves.push(
- this.getBasicMove([x, y], [x + shiftX, y], {
- c: color,
- p: piece
- })
- );
- }
- if (
- x == startRank &&
- this.board[x + 2 * shiftX][y] == V.EMPTY
- ) {
- moves.push(this.getBasicMove([x, y], [x + 2 * shiftX, y]));
- }
- }
- // Captures
- for (let shiftY of [-1, 1]) {
- if (
- y + shiftY >= 0 &&
- y + shiftY < sizeY &&
- this.board[x + shiftX][y + shiftY] != V.EMPTY &&
- this.canTake([x, y], [x + shiftX, y + shiftY])
- ) {
- for (let piece of finalPieces) {
- moves.push(
- this.getBasicMove([x, y], [x + shiftX, y + shiftY], {
- c: color,
- p: piece
- })
- );
- }
- }
- }
-
- // En passant
const Lep = this.epSquares.length;
const epSquare = this.epSquares[Lep - 1]; //always at least one element
if (
});
moves.push(enpassantMove);
}
-
return moves;
}
+
+ static get SEARCH_DEPTH() {
+ return 2;
+ }
};