src/piece.cpp

   1 /* Copyright (C) 2007-2011 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 (get_type()) {
  30         case PAWN:   t = 'P'; break;
  31         case KNIGHT: t = 'N'; break;
  32         case BISHOP: t = 'B'; break;
  33         case ROOK:   t = 'R'; break;
  34         case QUEEN:  t = 'Q'; break;
  35         case KING:   t = 'K'; break;
  36         default:     t = ' '; break;
  37     }
  38     if (get_color() == BLACK) {
  39         t = static_cast<char>(t + 'a' - 'A'); // Lower case for black pieces
  40     }
  41     return std::string(1, t);
  42 }