scummvm/engines/sludge/timing.h

55 lines
1.5 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef SLUDGE_TIMING_H
#define SLUDGE_TIMING_H
namespace Sludge {
class Timer {
public:
Timer();
void setDesiredFPS(int t) { _desiredFPS = t; }
void reset(void);
void init(void);
void initSpecial(int t);
void waitFrame(void);
int getLastFps() const { return _lastFPS; }
private:
int _desiredFPS; // desired frames per second
uint32 _startTime, _endTime;
uint32 _desiredFrameTime;
uint32 _addNextTime;
// FPS stats
void updateFpsStats();
int _lastFPS;
int _thisFPS;
uint32 _lastSeconds;
};
} // End of namespace Sludge
#endif