timemanager.h

00001 /***************************************************************************
00002  *   Copyright (C) 2005-2008 by the FIFE team                              *
00003  *   http://www.fifengine.de                                               *
00004  *   This file is part of FIFE.                                            *
00005  *                                                                         *
00006  *   FIFE is free software; you can redistribute it and/or                 *
00007  *   modify it under the terms of the GNU Lesser General Public            *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2.1 of the License, or (at your option) any later version.    *
00010  *                                                                         *
00011  *   This library is distributed in the hope that it will be useful,       *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the                 *
00018  *   Free Software Foundation, Inc.,                                       *
00019  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
00020  ***************************************************************************/
00021 
00022 #ifndef FIFE_TIMEMANAGER_H
00023 #define FIFE_TIMEMANAGER_H
00024 
00025 // Standard C++ library includes
00026 #include <vector>
00027 
00028 // 3rd party library includes
00029 
00030 // FIFE includes
00031 // These includes are split up in two parts, separated by one empty line
00032 // First block: files included from the FIFE root src directory
00033 // Second block: files included from the same folder
00034 #include "util/base/singleton.h"
00035 
00036 namespace FIFE {
00037 
00038     class TimeEvent;
00039 
00049     class TimeManager : public DynamicSingleton<TimeManager> {
00050     public:
00053         TimeManager();
00054 
00057         virtual ~TimeManager();
00058 
00061         void update();
00062 
00068         void registerEvent(TimeEvent* event);
00069 
00075         void unregisterEvent(TimeEvent* event);
00076 
00081         unsigned long getTime() const;
00082 
00087         unsigned long getTimeDelta() const;
00088 
00093         double getAverageFrameTime() const;
00094 
00097         void printStatistics() const;
00098 
00099     private:
00101         unsigned long m_current_time;
00103         unsigned long m_time_delta;
00105         double m_average_frame_time;
00106 
00108         std::vector<TimeEvent*> m_events_list;
00109         };
00110 
00111 }//FIFE
00112 
00113 #endif