FIFE  2008.0
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timemanager.h
1 /***************************************************************************
2  * Copyright (C) 2005-2008 by the FIFE team *
3  * http://www.fifengine.de *
4  * This file is part of FIFE. *
5  * *
6  * FIFE is free software; you can redistribute it and/or *
7  * modify it under the terms of the GNU Lesser General Public *
8  * License as published by the Free Software Foundation; either *
9  * version 2.1 of the License, or (at your option) any later version. *
10  * *
11  * This library is distributed in the hope that it will be useful, *
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
14  * Lesser General Public License for more details. *
15  * *
16  * You should have received a copy of the GNU Lesser General Public *
17  * License along with this library; if not, write to the *
18  * Free Software Foundation, Inc., *
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
20  ***************************************************************************/
21 
22 #ifndef FIFE_TIMEMANAGER_H
23 #define FIFE_TIMEMANAGER_H
24 
25 // Standard C++ library includes
26 #include <vector>
27 
28 // 3rd party library includes
29 
30 // FIFE includes
31 // These includes are split up in two parts, separated by one empty line
32 // First block: files included from the FIFE root src directory
33 // Second block: files included from the same folder
34 #include "util/base/singleton.h"
35 
36 namespace FIFE {
37 
38  class TimeEvent;
39 
49  class TimeManager : public DynamicSingleton<TimeManager> {
50  public:
53  TimeManager();
54 
57  virtual ~TimeManager();
58 
61  void update();
62 
68  void registerEvent(TimeEvent* event);
69 
75  void unregisterEvent(TimeEvent* event);
76 
81  unsigned long getTime() const;
82 
87  unsigned long getTimeDelta() const;
88 
93  double getAverageFrameTime() const;
94 
97  void printStatistics() const;
98 
99  private:
101  unsigned long m_current_time;
103  unsigned long m_time_delta;
105  double m_average_frame_time;
106 
108  std::vector<TimeEvent*> m_events_list;
109  };
110 
111 }//FIFE
112 
113 #endif