| 1 | import { ChessRules } from "@/base_rules"; |
| 2 | import { AbsorptionRules } from "@/variants/Absorption"; |
| 3 | |
| 4 | export class SelfabsorbRules extends AbsorptionRules { |
| 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 && |
| 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) && |
| 14 | (p1 != V.QUEEN || p2 == V.KNIGHT) && |
| 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) |
| 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 | |
| 73 | static get SEARCH_DEPTH() { |
| 74 | return 2; |
| 75 | } |
| 76 | |
| 77 | }; |