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1 | import { ChessRules } from "@/base_rules"; |
2 | ||
3 | export class DiscoduelRules extends ChessRules { | |
7e8a7ea1 | 4 | |
4313762d BA |
5 | static get Options() { |
6 | return null; | |
7 | } | |
8 | ||
737a5daf BA |
9 | static get PawnSpecs() { |
10 | return Object.assign( | |
11 | {}, | |
12 | ChessRules.PawnSpecs, | |
13 | { promotions: [V.PAWN] } | |
14 | ); | |
15 | } | |
16 | ||
17 | static get HasFlags() { | |
18 | return false; | |
19 | } | |
20 | ||
21 | scanKings() {} | |
22 | ||
23 | static GenRandInitFen() { | |
24 | return "1n4n1/8/8/8/8/8/PPPPPPPP/8 w 0 -"; | |
25 | } | |
26 | ||
27 | getPotentialMovesFrom(sq) { | |
28 | const moves = super.getPotentialMovesFrom(sq); | |
29 | if (this.turn == 'b') | |
30 | // Prevent pawn captures on last rank: | |
31 | return moves.filter(m => m.vanish.length == 1 || m.vanish[1].x != 0); | |
32 | return moves; | |
33 | } | |
34 | ||
35 | filterValid(moves) { | |
36 | return moves; | |
37 | } | |
38 | ||
39 | getCheckSquares() { | |
40 | return []; | |
41 | } | |
42 | ||
43 | getCurrentScore() { | |
44 | // No real winning condition (promotions count...) | |
45 | if (!this.atLeastOneMove()) return "1/2"; | |
46 | return "*"; | |
47 | } | |
48 | ||
49 | postPlay() {} | |
50 | postUndo() {} | |
51 | ||
52 | static get SEARCH_DEPTH() { | |
53 | return 4; | |
54 | } | |
7e8a7ea1 | 55 | |
737a5daf | 56 | }; |