54 lines
1.8 KiB
Plaintext
54 lines
1.8 KiB
Plaintext
|
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 Robert Osfield
|
||
|
|
*
|
||
|
|
* This library is open source and may be redistributed and/or modified under
|
||
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
||
|
|
* (at your option) any later version. The full license is in LICENSE file
|
||
|
|
* included with this distribution, and on the openscenegraph.org website.
|
||
|
|
*
|
||
|
|
* This library 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
|
||
|
|
* OpenSceneGraph Public License for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef OSGFX_MULTITEXTURECONTROL
|
||
|
|
#define OSGFX_MULTITEXTURECONTROL
|
||
|
|
|
||
|
|
#include <osg/Group>
|
||
|
|
|
||
|
|
#include <osgFX/Export>
|
||
|
|
|
||
|
|
namespace osgFX
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
This node provides control over the which texture units are active and the
|
||
|
|
blending weighting between them.
|
||
|
|
*/
|
||
|
|
class OSGFX_EXPORT MultiTextureControl: public osg::Group {
|
||
|
|
public:
|
||
|
|
|
||
|
|
MultiTextureControl();
|
||
|
|
MultiTextureControl(const MultiTextureControl& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
|
||
|
|
|
||
|
|
META_Node(osgFX, MultiTextureControl);
|
||
|
|
|
||
|
|
void setTextureWeight(unsigned int unit, float weight);
|
||
|
|
|
||
|
|
float getTextureWeight(unsigned int unit) const { return (unit<_textureWeightList.size()) ? _textureWeightList[unit] : 0.0f; }
|
||
|
|
|
||
|
|
unsigned int getNumTextureWeights() const { return _textureWeightList.size(); }
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual ~MultiTextureControl() {}
|
||
|
|
MultiTextureControl& operator = (const MultiTextureControl&) { return *this; }
|
||
|
|
|
||
|
|
void updateStateSet();
|
||
|
|
|
||
|
|
typedef std::vector<float> TextureWeightList;
|
||
|
|
TextureWeightList _textureWeightList;
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|