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e023d747 BA |
1 | import { ChessRules } from "@/base_rules"; |
2 | import { AbsorptionRules } from "@/variants/Absorption"; | |
3 | ||
1943de6b | 4 | export class SelfabsorbRules extends AbsorptionRules { |
e023d747 BA |
5 | |
6 | canTake([x1, y1], [x2, y2]) { | |
7 | if (this.getColor(x1, y1) !== this.getColor(x2, y2)) return true; | |
8 | const p1 = this.getPiece(x1, y1); | |
9 | const p2 = this.getPiece(x2, y2); | |
10 | return ( | |
11 | p1 != p2 && | |
d2af3400 BA |
12 | [V.QUEEN, V.RN, V.BN, V.ROOK, V.KNIGHT, V.BISHOP].includes(p1) && |
13 | [V.QUEEN, V.RN, V.BN, V.ROOK, V.KNIGHT, V.BISHOP].includes(p2) && | |
34b79fe4 | 14 | (p1 != V.QUEEN || p2 == V.KNIGHT) && |
d2af3400 BA |
15 | (p2 != V.QUEEN || p1 == V.KNIGHT) && |
16 | (p1 != V.RN || p2 == V.BISHOP) && | |
17 | (p2 != V.RN || p1 == V.BISHOP) && | |
18 | (p1 != V.BN || p2 == V.ROOK) && | |
19 | (p2 != V.BN || p1 == V.ROOK) | |
e023d747 BA |
20 | ); |
21 | } | |
22 | ||
23 | getPotentialMovesFrom(sq) { | |
24 | let moves = []; | |
25 | const piece = this.getPiece(sq[0], sq[1]); | |
26 | switch (piece) { | |
27 | case V.RN: | |
28 | moves = | |
29 | super.getPotentialRookMoves(sq).concat( | |
30 | super.getPotentialKnightMoves(sq)); | |
31 | break; | |
32 | case V.BN: | |
33 | moves = | |
34 | super.getPotentialBishopMoves(sq).concat( | |
35 | super.getPotentialKnightMoves(sq)); | |
36 | break; | |
37 | case V.QN: | |
38 | moves = | |
39 | super.getPotentialQueenMoves(sq).concat( | |
40 | super.getPotentialKnightMoves(sq)); | |
41 | break; | |
42 | case V.PAWN: | |
43 | moves = super.getPotentialPawnMoves(sq); | |
44 | break; | |
45 | case V.ROOK: | |
46 | moves = super.getPotentialRookMoves(sq); | |
47 | break; | |
48 | case V.KNIGHT: | |
49 | moves = super.getPotentialKnightMoves(sq); | |
50 | break; | |
51 | case V.BISHOP: | |
52 | moves = super.getPotentialBishopMoves(sq); | |
53 | break; | |
54 | case V.QUEEN: | |
55 | moves = super.getPotentialQueenMoves(sq); | |
56 | break; | |
57 | case V.KING: | |
58 | moves = super.getPotentialKingMoves(sq); | |
59 | break; | |
60 | } | |
61 | moves.forEach(m => { | |
62 | if ( | |
63 | m.vanish.length == 2 && m.appear.length == 1 && | |
64 | piece != m.vanish[1].p && m.vanish[0].c == m.vanish[1].c | |
65 | ) { | |
66 | // Augment pieces abilities in case of self-captures | |
67 | m.appear[0].p = V.Fusion(piece, m.vanish[1].p); | |
68 | } | |
69 | }); | |
70 | return moves; | |
71 | } | |
72 | ||
ded43c88 BA |
73 | static get SEARCH_DEPTH() { |
74 | return 2; | |
75 | } | |
76 | ||
e023d747 | 77 | }; |