| 1 | import ChessRules from "/base_rules.js"; |
| 2 | import PiPo from "/utils/PiPo.js"; |
| 3 | import Move from "/utils/Move.js"; |
| 4 | |
| 5 | export default class AvalancheRules extends ChessRules { |
| 6 | |
| 7 | static get Options() { |
| 8 | return { |
| 9 | select: C.Options.select, |
| 10 | styles: [ |
| 11 | "atomic", |
| 12 | "cannibal", |
| 13 | "capture", |
| 14 | "crazyhouse", |
| 15 | "cylinder", |
| 16 | "dark", |
| 17 | "madrasi", |
| 18 | "recycle", |
| 19 | "rifle", |
| 20 | "teleport", |
| 21 | "zen" |
| 22 | ] |
| 23 | }; |
| 24 | } |
| 25 | |
| 26 | get hasEnpassant() { |
| 27 | return false; |
| 28 | } |
| 29 | |
| 30 | getPartFen(o) { |
| 31 | return Object.assign( |
| 32 | {promotion: o.init ? false : this.promotion}, |
| 33 | super.getPartFen(o) |
| 34 | ); |
| 35 | } |
| 36 | |
| 37 | setOtherVariables(fenParsed) { |
| 38 | super.setOtherVariables(fenParsed); |
| 39 | this.promotion = (fenParsed.promotion == '1'); |
| 40 | this.subTurn = 1 - (this.promotion ? 1 : 0); |
| 41 | } |
| 42 | |
| 43 | doClick(coords) { |
| 44 | const myLastRank = (this.turn == 'w' ? 0 : this.size.x - 1); |
| 45 | if ( |
| 46 | this.subTurn != 0 || |
| 47 | coords.x != myLastRank || |
| 48 | this.getPiece(coords.x, coords.y) != 'p' |
| 49 | ) { |
| 50 | return null; |
| 51 | } |
| 52 | let moves = []; |
| 53 | this.pawnPromotions.forEach(pr => { |
| 54 | moves.push( |
| 55 | new Move({ |
| 56 | vanish: [new PiPo({x: coords.x, y: coords.y, c: this.turn, p: 'p'})], |
| 57 | appear: [new PiPo({x: coords.x, y: coords.y, c: this.turn, p: pr})] |
| 58 | }) |
| 59 | ); |
| 60 | }); |
| 61 | super.showChoices(moves); |
| 62 | } |
| 63 | |
| 64 | canIplay(x, y) { |
| 65 | const pieceColor = this.getColor(x, y); |
| 66 | return ( |
| 67 | this.playerColor == this.turn && |
| 68 | ( |
| 69 | (this.subTurn <= 1 && pieceColor == this.playerColor) || |
| 70 | ( |
| 71 | this.subTurn == 2 && |
| 72 | pieceColor != this.playerColor && |
| 73 | this.getPiece(x, y) == 'p' |
| 74 | ) |
| 75 | ) |
| 76 | ); |
| 77 | } |
| 78 | |
| 79 | getPotentialMovesFrom([x, y]) { |
| 80 | if (this.subTurn == 0) |
| 81 | return []; |
| 82 | if (this.subTurn == 1) |
| 83 | // Usual case: |
| 84 | return super.getPotentialMovesFrom([x, y]); |
| 85 | // subTurn == 2: only allowed to push an opponent's pawn (if possible) |
| 86 | const oppPawnShift = (this.turn == 'w' ? 1 : -1); |
| 87 | if ( |
| 88 | this.onBoard(x + oppPawnShift, y) && |
| 89 | this.board[x + oppPawnShift][y] == "" |
| 90 | ) { |
| 91 | return [this.getBasicMove([x, y], [x + oppPawnShift, y])]; |
| 92 | } |
| 93 | return []; |
| 94 | } |
| 95 | |
| 96 | filterValid(moves) { |
| 97 | if (this.subTurn != 1) |
| 98 | return moves; //self-checks by pawns are allowed |
| 99 | return super.filterValid(moves); |
| 100 | } |
| 101 | |
| 102 | atLeastOnePawnPush(color) { |
| 103 | const pawnShift = (color == 'w' ? -1 : 1); |
| 104 | for (let i = 0; i < 8; i++) { |
| 105 | for (let j = 0; j < 8; j++) { |
| 106 | if ( |
| 107 | this.board[i][j] != "" && |
| 108 | this.getColor(i, j) == color && |
| 109 | this.getPiece(i, j) == 'p' && |
| 110 | this.board[i + pawnShift][j] == "" |
| 111 | ) { |
| 112 | return true; |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | return false; |
| 117 | } |
| 118 | |
| 119 | postPlay(move) { |
| 120 | const color = this.turn; |
| 121 | const oppCol = C.GetOppCol(color); |
| 122 | this.promotion = ( |
| 123 | this.subTurn == 2 && |
| 124 | move.end.x == (oppCol == 'w' ? 0 : this.size.x - 1) && |
| 125 | move.vanish[0].p == 'p' |
| 126 | ); |
| 127 | if (this.subTurn == 0) { |
| 128 | this.subTurn++; |
| 129 | if (!this.atLeastOneMove(color)) { |
| 130 | move.result = "1/2"; //avoid re-computation |
| 131 | this.turn = oppCol; |
| 132 | } |
| 133 | } |
| 134 | else if (this.subTurn == 2) { |
| 135 | this.turn = oppCol; |
| 136 | this.subTurn = this.promotion ? 0 : 1; |
| 137 | } |
| 138 | else { //subTurn == 1, usual case |
| 139 | const kingCapture = this.searchKingPos(oppCol).length == 0; |
| 140 | if (kingCapture) |
| 141 | move.result = (color == 'w' ? "1-0" : "0-1"); |
| 142 | if (!kingCapture && this.atLeastOnePawnPush(oppCol)) |
| 143 | this.subTurn++; |
| 144 | else { |
| 145 | this.turn = oppCol; |
| 146 | this.subTurn = this.promotion ? 0 : 1; |
| 147 | } |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | atLeastOneMove(color, lastMove) { |
| 152 | if (this.subTurn == 0) |
| 153 | return true; |
| 154 | return super.atLeastOneMove(color); |
| 155 | } |
| 156 | |
| 157 | }; |