genesis-3d_engine/Engine/app/basegamefeature/managers/timesource.h
zhongdaohuan 6e8fbca745 genesis-3d engine version 1.3.
match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00

163 lines
4.1 KiB
C++

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#ifndef __timesource_H__
#define __timesource_H__
#include "core/refcounted.h"
#include "timing/time.h"
#include "core/singleton.h"
namespace App
{
class TimeManager;
class TimeSource : public Core::RefCounted
{
__DeclareClass(TimeSource);
public:
/// constructor
TimeSource();
/// destructor
virtual ~TimeSource();
/// called when time source is attached to the time manager
virtual void OnActivate();
/// called when time source is removed from the time manager
virtual void OnDeactivate();
/// reset the time source to 0.0
virtual void Reset();
/// pause the time source (increments pause counter)
virtual void Pause();
/// unpause the time source (decrements pause counter)
virtual void Continue();
/// return true if currently paused
bool IsPaused() const;
/// set acceleration/deceleration factor
virtual void SetFactor(float f);
/// get acceleration/deceleration factor
float GetFactor() const;
/// get the current time
Timing::Time GetTime() const;
/// get the current wrapTime
Timing::Time GetWrapTime() const;
/// get the current frame time
Timing::Time GetFrameTime() const;
protected:
friend class TimeManager;
/// update current time (called by time manager)
virtual void UpdateTime(Timing::Time frameTime);
Timing::Time mFrameTime;
Timing::Time mTime;
Timing::Time mWrapTime;
int mPauseCounter;
float mTimeFactor;
};
//------------------------------------------------------------------------
class GameTime: public TimeSource
{
__DeclareClass(GameTime);
__DeclareImageSingleton(GameTime);
public:
GameTime();
~GameTime();
};
//------------------------------------------------------------------------------
/**
*/
inline
Timing::Time
TimeSource::GetFrameTime() const
{
if (this->IsPaused())
{
return 0.0f;
}
else
{
return this->mFrameTime;
}
}
//------------------------------------------------------------------------------
/**
*/
inline
Timing::Time
TimeSource::GetTime() const
{
return this->mTime;
}
//------------------------------------------------------------------------------
/**
*/
inline
Timing::Time
TimeSource::GetWrapTime() const
{
return this->mWrapTime;
}
//------------------------------------------------------------------------------
/**
*/
inline
void
TimeSource::SetFactor(float f)
{
n_assert(f > 0.0f);
this->mTimeFactor = f;
}
//------------------------------------------------------------------------------
/**
*/
inline
float
TimeSource::GetFactor() const
{
return this->mTimeFactor;
}
//------------------------------------------------------------------------------
/**
*/
inline
bool
TimeSource::IsPaused() const
{
return (this->mPauseCounter > 0);
}
} // namespace BaseGameFeature
//------------------------------------------------------------------------------
#endif // __timesource_H__