| 1 | import { ChessRules } from "@/base_rules"; |
| 2 | |
| 3 | export class TitanRules extends ChessRules { |
| 4 | // Idea: yellow = bishop, orange = knight (for white) |
| 5 | // and, red = bishop + purple = knight (black side) |
| 6 | // (avoid using a bigger board, or complicated drawings) |
| 7 | |
| 8 | // Decode if normal piece, or + bishop or knight |
| 9 | getPiece(i, j) { |
| 10 | const piece = this.board[i][j].charAt(1); |
| 11 | if (ChessRules.PIECES.includes(piece)) return piece; |
| 12 | // Augmented piece: |
| 13 | switch (piece) { |
| 14 | case 'a': |
| 15 | case 'c': |
| 16 | return 'b'; |
| 17 | case 'j': |
| 18 | case 'l': |
| 19 | return 'k'; |
| 20 | case 'm': |
| 21 | case 'o': |
| 22 | return 'n'; |
| 23 | case 's': |
| 24 | case 't': |
| 25 | return 'q'; |
| 26 | case 'u': |
| 27 | case 'v': |
| 28 | return 'r'; |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | // TODO: subtelty, castle forbidden if |
| 33 | |
| 34 | // Code: a/c = bishop + knight/bishop j/l for king, |
| 35 | // m/o for knight, s/t for queen, u/v for rook |
| 36 | static get AUGMENTED_PIECES() { |
| 37 | return [ |
| 38 | 'a', |
| 39 | 'c', |
| 40 | 'j', |
| 41 | 'l', |
| 42 | 'm', |
| 43 | 'o', |
| 44 | 's', |
| 45 | 't', |
| 46 | 'u', |
| 47 | 'v' |
| 48 | ]; |
| 49 | } |
| 50 | |
| 51 | // Decode above notation into additional piece |
| 52 | getExtraPiece(symbol) { |
| 53 | if (['a','j','m','s','u'].includes(symbol)) |
| 54 | return 'n'; |
| 55 | return 'b'; |
| 56 | } |
| 57 | |
| 58 | // If piece not in usual list, bishop or knight appears. |
| 59 | getPotentialMovesFrom([x, y]) { |
| 60 | let moves = super.getPotentialMovesFrom(sq); |
| 61 | const color = this.turn; |
| 62 | |
| 63 | // treat castle case here (both pieces appear!) |
| 64 | if ( |
| 65 | V.AUGMENTED_PIECES.includes(this.board[x][y][1]) && |
| 66 | ((color == 'w' && x == 7) || (color == "b" && x == 0)) |
| 67 | ) { |
| 68 | const newPiece = this.getExtraPiece(this.board[x][y][1]); |
| 69 | moves.forEach(m => { |
| 70 | m.appear.push( |
| 71 | new PiPo({ |
| 72 | p: newPiece, |
| 73 | c: color, |
| 74 | x: x, |
| 75 | y: y |
| 76 | }) |
| 77 | ); |
| 78 | }); |
| 79 | } |
| 80 | return moves; |
| 81 | } |
| 82 | |
| 83 | // TODO: special case of move 1 = choose squares, knight first, then bishop |
| 84 | // (just click ?) |
| 85 | }; |