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timer.h

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00001 /***************************************************************************
00002                              timer.h  -  Timer
00003                              -------------------
00004     begin                : Tue Nov 6 2001
00005     copyright            : (C) 2001 by Reality Rift Studios
00006     email                : mattias@realityrift.com
00007  ***************************************************************************
00008 
00009  The contents of this file are subject to the Mozilla Public License Version
00010  1.1 (the "License"); you may not use this file except in compliance with
00011  the License. You may obtain a copy of the License at 
00012  http://www.mozilla.org/MPL/
00013 
00014  Software distributed under the License is distributed on an "AS IS" basis,
00015  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00016  for the specific language governing rights and limitations under the
00017  License.
00018 
00019  The Original Code is the NeoEngine, timer.h
00020 
00021  The Initial Developer of the Original Code is Mattias Jansson.
00022  Portions created by Mattias Jansson are Copyright (C) 2001
00023  Reality Rift Studios. All Rights Reserved.
00024 
00025  ***************************************************************************/
00026 
00027 #ifndef __NETIMER_H
00028 #define __NETIMER_H
00029 
00030 #include "base.h"
00031 
00032 
00039 namespace NeoEngine
00040 {
00041 
00042 
00056 class NEOENGINE_API Timer
00057 {
00058     friend class Core;
00059 
00060     protected:
00061 
00063         uint64_t                        m_uliOldClock;
00064         
00066         static uint64_t                 s_uliOldHeartbeatClock;
00067 
00069         static uint64_t                 s_uliHeartbeat;
00070 
00072         static uint64_t                 s_uliDivisor;
00073 
00074         
00075     public:
00076 
00079                                         Timer();
00080 
00085         float                           GetDeltaTime( bool bReset = true );
00086 
00090         void                            Reset();
00091 
00095         static uint64_t                 GetHeartbeat();
00096         
00100         static uint64_t                 GetHeartbeatDivisor();
00101 };
00102 
00103 
00104 }; // namespace NeoEngine
00105 
00106 
00107 #endif // __NETIMER_H

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