virtclk.h Source File

00001 /*
00002     Copyright (C) 2001 by Jorrit Tyberghein
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_VIRTCLK_H_
00020 #define __CS_VIRTCLK_H_
00021 
00022 #include "csutil/scf.h"
00023 #include "iutil/virtclk.h"
00024 
00030 class csVirtualClock : public iVirtualClock
00031 {
00032 private:
00033   // Elapsed time between last two frames and absolute time in milliseconds
00034   csTicks ElapsedTime, CurrentTime;
00035 
00036 public:
00037   csVirtualClock ();
00038   virtual ~csVirtualClock ();
00039 
00040   SCF_DECLARE_IBASE;
00041 
00042   virtual void Advance ();
00043   virtual void Suspend () { }
00044   virtual void Resume () { CurrentTime = csTicks (-1); }
00045   virtual csTicks GetElapsedTicks () const { return ElapsedTime; }
00046   virtual csTicks GetCurrentTicks () const { return CurrentTime; }
00047 };
00048 
00049 #endif // __CS_VIRTCLK_H_
00050