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| 1 | +package com.rahul.bbgen; |
| 2 | + |
| 3 | +import java.io.BufferedReader; |
| 4 | +import java.io.File; |
| 5 | +import java.io.FileReader; |
| 6 | +import java.io.PrintWriter; |
| 7 | + |
| 8 | +public class Main { |
| 9 | + |
| 10 | + private BitBoard WRooks; |
| 11 | + private BitBoard WBishops; |
| 12 | + private BitBoard WPawns; |
| 13 | + private BitBoard WKnights; |
| 14 | + private BitBoard WKing; |
| 15 | + private BitBoard WQueen; |
| 16 | + |
| 17 | + private BitBoard BRooks; |
| 18 | + private BitBoard BBishops; |
| 19 | + private BitBoard BPawns; |
| 20 | + private BitBoard BKnights; |
| 21 | + private BitBoard BKing; |
| 22 | + private BitBoard BQueen; |
| 23 | + |
| 24 | + private void initBoards() { |
| 25 | + WRooks = new BitBoard(); |
| 26 | + WBishops = new BitBoard(); |
| 27 | + WPawns = new BitBoard(); |
| 28 | + WKnights = new BitBoard(); |
| 29 | + WKing = new BitBoard(); |
| 30 | + WQueen = new BitBoard(); |
| 31 | + |
| 32 | + BRooks = new BitBoard(); |
| 33 | + BBishops = new BitBoard(); |
| 34 | + BPawns = new BitBoard(); |
| 35 | + BKnights = new BitBoard(); |
| 36 | + BKing = new BitBoard(); |
| 37 | + BQueen = new BitBoard(); |
| 38 | + } |
| 39 | + |
| 40 | + public void createBoards(String fen) { |
| 41 | + initBoards(); |
| 42 | + |
| 43 | + int bitIndex = 0; |
| 44 | + char[] fenChars = fen.toCharArray(); |
| 45 | + |
| 46 | + for (int i = 0; i < fenChars.length && bitIndex < BitBoard.BOARD_LENGTH; i++) { |
| 47 | + // System.out.println(fenChars[i]); |
| 48 | + switch (fenChars[i]) { |
| 49 | + case 'R': |
| 50 | + WRooks.flipBit(bitIndex++); |
| 51 | + break; |
| 52 | + case 'N': |
| 53 | + WKnights.flipBit(bitIndex++); |
| 54 | + break; |
| 55 | + case 'B': |
| 56 | + WBishops.flipBit(bitIndex++); |
| 57 | + break; |
| 58 | + case 'P': |
| 59 | + WPawns.flipBit(bitIndex++); |
| 60 | + break; |
| 61 | + case 'K': |
| 62 | + WKing.flipBit(bitIndex++); |
| 63 | + break; |
| 64 | + case 'Q': |
| 65 | + WQueen.flipBit(bitIndex++); |
| 66 | + break; |
| 67 | + |
| 68 | + case 'r': |
| 69 | + BRooks.flipBit(bitIndex++); |
| 70 | + break; |
| 71 | + case 'n': |
| 72 | + BKnights.flipBit(bitIndex++); |
| 73 | + break; |
| 74 | + case 'b': |
| 75 | + BBishops.flipBit(bitIndex++); |
| 76 | + break; |
| 77 | + case 'p': |
| 78 | + BPawns.flipBit(bitIndex++); |
| 79 | + break; |
| 80 | + case 'k': |
| 81 | + BKing.flipBit(bitIndex++); |
| 82 | + break; |
| 83 | + case 'q': |
| 84 | + BQueen.flipBit(bitIndex++); |
| 85 | + break; |
| 86 | + case '/': |
| 87 | + break; |
| 88 | + default: |
| 89 | + // System.out.println((int) fenChars[i] - 48); |
| 90 | + bitIndex += (int) fenChars[i] - 48; |
| 91 | + } |
| 92 | + } |
| 93 | + } |
| 94 | + |
| 95 | + public String prettyPrintBoards() { |
| 96 | + StringBuilder builder = new StringBuilder(); |
| 97 | + |
| 98 | + builder.append("White Rooks : "); |
| 99 | + builder.append(WRooks.getBitBoard() + "\n"); |
| 100 | + builder.append("White Knights : "); |
| 101 | + builder.append(WKnights.getBitBoard() + "\n"); |
| 102 | + builder.append("White Bishops : "); |
| 103 | + builder.append(WBishops.getBitBoard() + "\n"); |
| 104 | + builder.append("White Pawns : "); |
| 105 | + builder.append(WPawns.getBitBoard() + "\n"); |
| 106 | + builder.append("White King : "); |
| 107 | + builder.append(WKing.getBitBoard() + "\n"); |
| 108 | + builder.append("White Queen : "); |
| 109 | + builder.append(WQueen.getBitBoard() + "\n"); |
| 110 | + |
| 111 | + builder.append("Black Rooks : "); |
| 112 | + builder.append(BRooks.getBitBoard() + "\n"); |
| 113 | + builder.append("Black Knights : "); |
| 114 | + builder.append(BKnights.getBitBoard() + "\n"); |
| 115 | + builder.append("Black Bishops : "); |
| 116 | + builder.append(BBishops.getBitBoard() + "\n"); |
| 117 | + builder.append("Black Pawns : "); |
| 118 | + builder.append(BPawns.getBitBoard() + "\n"); |
| 119 | + builder.append("Black King : "); |
| 120 | + builder.append(BKing.getBitBoard() + "\n"); |
| 121 | + builder.append("Black Queen : "); |
| 122 | + builder.append(BQueen.getBitBoard() + "\n"); |
| 123 | + |
| 124 | + return builder.toString(); |
| 125 | + } |
| 126 | + |
| 127 | + public String printBoards() { |
| 128 | + StringBuilder builder = new StringBuilder(); |
| 129 | + |
| 130 | + builder.append(WRooks.getBitBoard()); |
| 131 | + builder.append(WKnights.getBitBoard()); |
| 132 | + builder.append(WBishops.getBitBoard()); |
| 133 | + builder.append(WPawns.getBitBoard()); |
| 134 | + builder.append(WKing.getBitBoard()); |
| 135 | + builder.append(WQueen.getBitBoard()); |
| 136 | + |
| 137 | + builder.append(BRooks.getBitBoard()); |
| 138 | + builder.append(BKnights.getBitBoard()); |
| 139 | + builder.append(BBishops.getBitBoard()); |
| 140 | + builder.append(BPawns.getBitBoard()); |
| 141 | + builder.append(BKing.getBitBoard()); |
| 142 | + builder.append(BQueen.getBitBoard()); |
| 143 | + |
| 144 | + return builder.toString(); |
| 145 | + } |
| 146 | + |
| 147 | + public void buildBoards() { |
| 148 | + try { |
| 149 | + BufferedReader br = new BufferedReader(new FileReader(new File( |
| 150 | + "./data/game4.fen"))); |
| 151 | + PrintWriter out = new PrintWriter("./data/game4.bb"); |
| 152 | + String fen; |
| 153 | + |
| 154 | + while ((fen = br.readLine()) != null) { |
| 155 | + createBoards(fen); |
| 156 | + out.println(printBoards()); |
| 157 | + } |
| 158 | + br.close(); |
| 159 | + out.close(); |
| 160 | + } catch (Exception e) { |
| 161 | + e.printStackTrace(); |
| 162 | + } |
| 163 | + } |
| 164 | + |
| 165 | + public static void main(String[] args) { |
| 166 | + Main main = new Main(); |
| 167 | + main.buildBoards(); |
| 168 | + } |
| 169 | +} |
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