src/piece.cpp

   1 /* Copyright (C) 2007-2012 Vincent Ollivier
   2  *
   3  * Purple Haze is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * Purple Haze is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #include <iostream>
  18
  19 #include "piece.h"
  20
  21 std::ostream& operator<<(std::ostream& out, const Piece piece)
  22 {
  23     return (out << piece.to_string());
  24 }
  25
  26 std::string Piece::to_string() const
  27 {
  28     char t;
  29     switch (type()) {
  30     case PAWN:
  31         t = 'P';
  32         break;
  33     case KNIGHT:
  34         t = 'N';
  35         break;
  36     case BISHOP:
  37         t = 'B';
  38         break;
  39     case ROOK:
  40         t = 'R';
  41         break;
  42     case QUEEN:
  43         t = 'Q';
  44         break;
  45     case KING:
  46         t = 'K';
  47         break;
  48     default:
  49         t = ' ';
  50         break;
  51     }
  52     if (color() == BLACK) {
  53         t = static_cast<char>(t + 'a' - 'A'); // Lower case for black pieces
  54     }
  55     return std::string(1, t);
  56 }