| 1 | import { ChessRules } from "@/base_rules"; |
| 2 | |
| 3 | export class LostqueenRules extends ChessRules { |
| 4 | |
| 5 | // The king can move like a knight: |
| 6 | getPotentialKingMoves(sq) { |
| 7 | return ( |
| 8 | super.getPotentialKingMoves(sq).concat( |
| 9 | super.getSlideNJumpMoves(sq, ChessRules.steps[V.KNIGHT], "oneStep")) |
| 10 | ); |
| 11 | } |
| 12 | |
| 13 | // Goal is to lose the queen (or be checkmated): |
| 14 | getCurrentScore() { |
| 15 | // If my queen disappeared, I win |
| 16 | const color = this.turn; |
| 17 | let haveQueen = false; |
| 18 | outerLoop: for (let i=0; i<V.size.x; i++) { |
| 19 | for (let j=0; j<V.size.y; j++) { |
| 20 | if ( |
| 21 | this.board[i][j] != V.EMPTY && |
| 22 | this.getColor(i,j) == color && |
| 23 | this.getPiece(i,j) == V.QUEEN |
| 24 | ) { |
| 25 | haveQueen = true; |
| 26 | break outerLoop; |
| 27 | } |
| 28 | } |
| 29 | } |
| 30 | if (!haveQueen) return color == "w" ? "1-0" : "0-1"; |
| 31 | if (this.atLeastOneMove()) return "*"; |
| 32 | // No valid move: the side who cannot move (or is checkmated) wins |
| 33 | return this.turn == "w" ? "1-0" : "0-1"; |
| 34 | } |
| 35 | |
| 36 | }; |