mirror of
https://port.numenaute.org/aleajactaest/khanat-code-old.git
synced 2024-12-02 00:06:00 +00:00
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#ifndef NL_MOTION_BLUR_H
|
|
#define NL_MOTION_BLUR_H
|
|
|
|
#include "nel/misc/types_nl.h"
|
|
#include "nel/misc/smart_ptr.h"
|
|
|
|
#ifdef _X
|
|
# undef _X
|
|
#endif
|
|
|
|
namespace NL3D {
|
|
|
|
|
|
class IDriver ;
|
|
class ITexture ;
|
|
|
|
/**
|
|
* This class help perfoming motion blur on a portion of the screen
|
|
* \author Nicolas Vizerie
|
|
* \author Nevrax France
|
|
* \date 2001
|
|
*/
|
|
class CMotionBlur
|
|
{
|
|
public:
|
|
// ctor
|
|
CMotionBlur() ;
|
|
/** Must be called before performing motion blur on a image sequence. Motion blur is performed
|
|
* on a rectangular area.
|
|
* 2 calls -> nlassert. Once motion blur must be stopped, you must call releaseMotionBlur.
|
|
* \param x the x position of the top-left coener of the rectangle on which motion blur apply
|
|
* \param y the y position of the top-left coener of the rectangle on which motion blur apply
|
|
* \param width the width of the rectangle on which motion blur apply
|
|
* \param height the height of the rectangle on which motion blur apply
|
|
*/
|
|
void startMotionBlur(uint x, uint y, uint width, uint height) ;
|
|
|
|
/// release the resources used by motion blur
|
|
void releaseMotionBlur() ;
|
|
|
|
/** perform motion blur, using the given driver
|
|
* This can only have been called between a startMotionBlur / releaseMotionBlur pair.
|
|
* It must be called after the scene has been drawn of course.
|
|
* WARNING : this change the projection matrix and the frustum in the driver.
|
|
* \param motionBlurAmount ranges from 0.f to 1.f. Blend using the following :
|
|
* motionBlurAmount * previous frame + (1 - motionBlurAmount) * current Frame buffer state
|
|
*/
|
|
void performMotionBlur(IDriver *driver, float motionBlurAmount) ;
|
|
protected:
|
|
NLMISC::CSmartPtr<ITexture> _Tex ;
|
|
uint _X, _Y, _W, _H ;
|
|
};
|
|
|
|
|
|
} // NL3D
|
|
|
|
|
|
#endif // NL_MOTION_BLUR_H
|
|
|
|
/* End of motion_blur.h */
|