mirror of
https://github.com/scummvm/scummvm.git
synced 2026-06-20 05:45:29 +00:00
RichieSams
5842c5098f
I personally used filters within my IDE, but since others are now joining the project, it was brought to my attention that some better organization would be nice.
79 lines
2.1 KiB
C++
79 lines
2.1 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 ZVISION_CLOCK_H
|
|
#define ZVISION_CLOCK_H
|
|
|
|
#include "common/types.h"
|
|
|
|
class OSystem;
|
|
|
|
namespace ZVision {
|
|
|
|
/* Class for handling frame to frame deltaTime while keeping track of time pauses/un-pauses */
|
|
class Clock {
|
|
public:
|
|
Clock(OSystem *system);
|
|
|
|
private:
|
|
OSystem *_system;
|
|
uint32 _lastTime;
|
|
int32 _deltaTime;
|
|
uint32 _pausedTime;
|
|
bool _paused;
|
|
|
|
public:
|
|
/**
|
|
* Updates _deltaTime with the difference between the current time and
|
|
* when the last update() was called.
|
|
*/
|
|
void update();
|
|
/**
|
|
* Get the delta time since the last frame. (The time between update() calls)
|
|
*
|
|
* @return Delta time since the last frame (in milliseconds)
|
|
*/
|
|
uint32 getDeltaTime() const { return _deltaTime; }
|
|
/**
|
|
* Get the time from the program starting to the last update() call
|
|
*
|
|
* @return Time from program start to last update() call (in milliseconds)
|
|
*/
|
|
uint32 getLastMeasuredTime() { return _lastTime; }
|
|
|
|
/**
|
|
* Pause the clock. Any future delta times will take this pause into account.
|
|
* Has no effect if the clock is already paused.
|
|
*/
|
|
void start();
|
|
/**
|
|
* Un-pause the clock.
|
|
* Has no effect if the clock is already un-paused.
|
|
*/
|
|
void stop();
|
|
};
|
|
|
|
} // End of namespace ZVision
|
|
|
|
#endif
|