FIFE  2008.0
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timeprovider.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_TIME_PROVIDER_H
23 #define FIFE_TIME_PROVIDER_H
24 
25 // Standard C++ library includes
26 
27 // 3rd party library includes
28 
29 // FIFE includes
30 // These includes are split up in two parts, separated by one empty line
31 // First block: files included from the FIFE root src directory
32 // Second block: files included from the same folder
33 #include "util/base/exception.h"
34 
35 namespace FIFE {
36 
41  class TimeProvider {
42  public:
46  explicit TimeProvider(TimeProvider* master);
47  ~TimeProvider();
48 
52  void setMultiplier(float multiplier);
53 
56  float getMultiplier() const;
57 
61  float getTotalMultiplier() const;
62 
65  unsigned int getGameTime() const;
66 
67  private:
68  TimeProvider* m_master;
69  float m_multiplier;
70  double m_time_static, m_time_scaled;
71 
74  double getPreciseGameTime() const;
75  };
76 
81  unsigned int scaleTime(float multiplier, unsigned int ticks);
82 
83 } //FIFE
84 #endif
85