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  1. /*
  2.     Texel - A UCI chess engine.
  3.     Copyright (C) 2012  Peter Österlund, peterosterlund2@gmail.com
  4.  
  5.     This program is free software: you can redistribute it and/or modify
  6.     it under the terms of the GNU General Public License as published by
  7.     the Free Software Foundation, either version 3 of the License, or
  8.     (at your option) any later version.
  9.  
  10.     This program is distributed in the hope that it will be useful,
  11.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.     GNU General Public License for more details.
  14.  
  15.     You should have received a copy of the GNU General Public License
  16.     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17. */
  18.  
  19. /*
  20.  * undoInfo.hpp
  21.  *
  22.  *  Created on: Feb 25, 2012
  23.  *      Author: petero
  24.  */
  25.  
  26. #ifndef UNDOINFO_HPP_
  27. #define UNDOINFO_HPP_
  28.  
  29. /**
  30.  * Contains enough information to undo a previous move.
  31.  * Set by makeMove(). Used by unMakeMove().
  32.  */
  33. struct UndoInfo {
  34.     int capturedPiece;
  35.     int castleMask;
  36.     int epSquare;
  37.     int halfMoveClock;
  38. };
  39.  
  40. #endif /* UNDOINFO_HPP_ */
  41.