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1 | import { ChessRules } from "@/base_rules"; |
2 | ||
3 | export class HoppelpoppelRules extends ChessRules { | |
4 | ||
4313762d | 5 | // TODO: merge with base_rules.js (see also Orda, Empire) |
dbc79ee6 BA |
6 | getSlideNJumpMoves_([x, y], steps, oneStep, options) { |
7 | options = options || {}; | |
8 | let moves = []; | |
9 | outerLoop: for (let step of steps) { | |
10 | let i = x + step[0]; | |
11 | let j = y + step[1]; | |
12 | while (V.OnBoard(i, j) && this.board[i][j] == V.EMPTY) { | |
13 | if (!options.onlyTake) moves.push(this.getBasicMove([x, y], [i, j])); | |
4313762d | 14 | if (oneStep) continue outerLoop; |
dbc79ee6 BA |
15 | i += step[0]; |
16 | j += step[1]; | |
17 | } | |
18 | if (V.OnBoard(i, j) && this.canTake([x, y], [i, j]) && !options.onlyMove) | |
19 | moves.push(this.getBasicMove([x, y], [i, j])); | |
20 | } | |
21 | return moves; | |
22 | } | |
23 | ||
24 | getPotentialKnightMoves(sq) { | |
25 | // The knight captures like a bishop | |
26 | return ( | |
27 | this.getSlideNJumpMoves_( | |
28 | sq, ChessRules.steps[V.KNIGHT], "oneStep", { onlyMove: true }) | |
29 | .concat( | |
30 | this.getSlideNJumpMoves_( | |
31 | sq, ChessRules.steps[V.BISHOP], null, { onlyTake: true })) | |
32 | ); | |
33 | } | |
34 | ||
35 | getPotentialBishopMoves(sq) { | |
36 | // The bishop captures like a knight | |
37 | return ( | |
38 | this.getSlideNJumpMoves_( | |
39 | sq, ChessRules.steps[V.BISHOP], null, { onlyMove: true }) | |
40 | .concat( | |
41 | this.getSlideNJumpMoves_( | |
42 | sq, ChessRules.steps[V.KNIGHT], "oneStep", { onlyTake: true })) | |
43 | ); | |
44 | } | |
45 | ||
46 | isAttackedByKnight([x, y], color) { | |
47 | return super.isAttackedBySlideNJump( | |
4313762d | 48 | [x, y], color, V.KNIGHT, V.steps[V.BISHOP]); |
dbc79ee6 BA |
49 | } |
50 | ||
2baa6f2c | 51 | isAttackedByBishop([x, y], color) { |
dbc79ee6 | 52 | return super.isAttackedBySlideNJump( |
4313762d | 53 | [x, y], color, V.BISHOP, V.steps[V.KNIGHT], 1); |
dbc79ee6 BA |
54 | } |
55 | ||
56 | }; |