File indexing completed on 2021-12-21 12:50:21
0001 /* 0002 * ksokoban - a Sokoban game by KDE 0003 * Copyright (C) 1998 Anders Widell <d95-awi@nada.kth.se> 0004 * 0005 * This program is free software; you can redistribute it and/or modify 0006 * it under the terms of the GNU General Public License as published by 0007 * the Free Software Foundation; either version 2 of the License, or 0008 * (at your option) any later version. 0009 * 0010 * This program is distributed in the hope that it will be useful, 0011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0013 * GNU General Public License for more details. 0014 * 0015 * You should have received a copy of the GNU General Public License 0016 * along with this program; if not, write to the Free Software 0017 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 0018 */ 0019 0020 #ifndef MAPDELTA_H 0021 #define MAPDELTA_H 0022 0023 #include <assert.h> 0024 0025 #include "Map.h" 0026 0027 class MapDelta : private Map { 0028 public: 0029 MapDelta (Map *m); 0030 0031 void start (); 0032 void end (); 0033 0034 bool hasChanged (int x, int y) { 0035 assert (ended_); 0036 return map (x, y) == 1; 0037 } 0038 0039 private: 0040 Map *source_; 0041 bool ended_; 0042 }; 0043 0044 #endif /* MAPDELTA_H */