Commit | Line | Data |
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c322a844 BA |
1 | import { ChessRules, PiPo, Move } from "@/base_rules"; |
2 | ||
32f6285e | 3 | export class RifleRules extends ChessRules { |
e727fe31 | 4 | getEpSquare(moveOrSquare) { |
bbf66837 | 5 | if (typeof moveOrSquare !== "object" || moveOrSquare.appear.length > 0) |
e727fe31 BA |
6 | return super.getEpSquare(moveOrSquare); |
7 | // Capturing move: no en-passant | |
8 | return undefined; | |
9 | } | |
10 | ||
c322a844 BA |
11 | getBasicMove([sx, sy], [ex, ey], tr) { |
12 | let mv = new Move({ | |
13 | appear: [], | |
14 | vanish: [], | |
15 | start: {x:sx, y:sy}, | |
16 | end: {x:ex, y:ey} | |
17 | }); | |
18 | if (this.board[ex][ey] != V.EMPTY) { | |
19 | // No movement: just vanishing enemy piece | |
20 | mv.vanish = [ | |
21 | new PiPo({ | |
22 | x: ex, | |
23 | y: ey, | |
24 | c: this.getColor(ex, ey), | |
25 | p: this.getPiece(ex, ey) | |
26 | }) | |
27 | ]; | |
28 | } | |
29 | else { | |
30 | // Normal move | |
31 | mv.appear = [ | |
32 | new PiPo({ | |
33 | x: ex, | |
34 | y: ey, | |
35 | c: tr ? tr.c : this.getColor(sx, sy), | |
36 | p: tr ? tr.p : this.getPiece(sx, sy) | |
37 | }) | |
38 | ]; | |
39 | mv.vanish = [ | |
40 | new PiPo({ | |
41 | x: sx, | |
42 | y: sy, | |
43 | c: this.getColor(sx, sy), | |
44 | p: this.getPiece(sx, sy) | |
45 | }) | |
46 | ]; | |
47 | } | |
48 | ||
49 | return mv; | |
50 | } | |
f35b9960 | 51 | |
32f6285e | 52 | getEnpassantCaptures([x, y], shiftX) { |
f35b9960 | 53 | let moves = []; |
f35b9960 BA |
54 | const Lep = this.epSquares.length; |
55 | const epSquare = this.epSquares[Lep - 1]; //always at least one element | |
56 | if ( | |
57 | !!epSquare && | |
58 | epSquare.x == x + shiftX && | |
59 | Math.abs(epSquare.y - y) == 1 | |
60 | ) { | |
61 | let enpassantMove = new Move({ | |
62 | appear: [], | |
63 | vanish: [], | |
64 | start: {x:x, y:y}, | |
65 | end: {x:x+shiftX, y:epSquare.y} | |
66 | }); | |
67 | enpassantMove.vanish.push({ | |
68 | x: x, | |
69 | y: epSquare.y, | |
70 | p: "p", | |
71 | c: this.getColor(x, epSquare.y) | |
72 | }); | |
73 | moves.push(enpassantMove); | |
74 | } | |
f35b9960 BA |
75 | return moves; |
76 | } | |
32f6285e BA |
77 | |
78 | static get SEARCH_DEPTH() { | |
79 | return 2; | |
80 | } | |
c322a844 | 81 | }; |