131 lines
4.5 KiB
C++
131 lines
4.5 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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 OSGSIM_LIGHTPOINTDRAWABLE
|
|
#define OSGSIM_LIGHTPOINTDRAWABLE 1
|
|
|
|
#include <osgSim/Export>
|
|
|
|
#include <osg/Drawable>
|
|
#include <osg/Vec3>
|
|
#include <osg/Vec4>
|
|
#include <osg/Depth>
|
|
#include <osg/BlendFunc>
|
|
#include <osg/ColorMask>
|
|
#include <osg/Point>
|
|
#include <osg/Endian>
|
|
|
|
#include <vector>
|
|
|
|
namespace osgSim {
|
|
|
|
|
|
class OSGSIM_EXPORT LightPointDrawable : public osg::Drawable
|
|
{
|
|
public :
|
|
|
|
LightPointDrawable();
|
|
|
|
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
|
|
LightPointDrawable(const LightPointDrawable&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
|
|
|
|
virtual osg::Object* cloneType() const { return new LightPointDrawable(); }
|
|
virtual osg::Object* clone(const osg::CopyOp&) const { return new LightPointDrawable(); }
|
|
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const LightPointDrawable*>(obj)!=NULL; }
|
|
virtual const char* className() const { return "LightPointDrawable"; }
|
|
|
|
|
|
//typedef std::pair<unsigned int,osg::Vec3> ColorPosition;
|
|
struct ColorPosition
|
|
{
|
|
unsigned int first;
|
|
osg::Vec3 second;
|
|
ColorPosition() {}
|
|
ColorPosition(unsigned int f,const osg::Vec3& s):first(f),second(s) {}
|
|
};
|
|
|
|
void reset();
|
|
|
|
inline unsigned int asRGBA(const osg::Vec4& color) const
|
|
{
|
|
return _endian==osg::BigEndian?color.asABGR():color.asRGBA();
|
|
}
|
|
|
|
inline void addOpaqueLightPoint(unsigned int pointSize,const osg::Vec3& position,const osg::Vec4& color)
|
|
{
|
|
if (pointSize>=_sizedOpaqueLightPointList.size()) _sizedOpaqueLightPointList.resize(pointSize+1);
|
|
_sizedOpaqueLightPointList[pointSize].push_back(ColorPosition(asRGBA(color),position));
|
|
}
|
|
|
|
inline void addAdditiveLightPoint(unsigned int pointSize,const osg::Vec3& position,const osg::Vec4& color)
|
|
{
|
|
if (pointSize>=_sizedAdditiveLightPointList.size()) _sizedAdditiveLightPointList.resize(pointSize+1);
|
|
_sizedAdditiveLightPointList[pointSize].push_back(ColorPosition(asRGBA(color),position));
|
|
}
|
|
|
|
inline void addBlendedLightPoint(unsigned int pointSize,const osg::Vec3& position,const osg::Vec4& color)
|
|
{
|
|
if (pointSize>=_sizedBlendedLightPointList.size()) _sizedBlendedLightPointList.resize(pointSize+1);
|
|
_sizedBlendedLightPointList[pointSize].push_back(ColorPosition(asRGBA(color),position));
|
|
}
|
|
|
|
/** draw LightPoints. */
|
|
virtual void drawImplementation(osg::RenderInfo& renderInfo) const;
|
|
|
|
|
|
void setSimulationTime(double time)
|
|
{
|
|
_simulationTime = time;
|
|
_simulationTimeInterval = 0.0;
|
|
}
|
|
|
|
void updateSimulationTime(double time)
|
|
{
|
|
_simulationTimeInterval = osg::clampAbove(time-_simulationTime,0.0);
|
|
_simulationTime = time;
|
|
}
|
|
|
|
double getSimulationTime() const { return _simulationTime; }
|
|
double getSimulationTimeInterval() const { return _simulationTimeInterval; }
|
|
|
|
virtual osg::BoundingBox computeBoundingBox() const;
|
|
|
|
protected:
|
|
|
|
virtual ~LightPointDrawable() {}
|
|
|
|
osg::Endian _endian;
|
|
|
|
double _simulationTime;
|
|
double _simulationTimeInterval;
|
|
|
|
typedef std::vector<ColorPosition> LightPointList;
|
|
typedef std::vector<LightPointList> SizedLightPointList;
|
|
|
|
SizedLightPointList _sizedOpaqueLightPointList;
|
|
SizedLightPointList _sizedAdditiveLightPointList;
|
|
SizedLightPointList _sizedBlendedLightPointList;
|
|
|
|
osg::ref_ptr<osg::Depth> _depthOff;
|
|
osg::ref_ptr<osg::Depth> _depthOn;
|
|
osg::ref_ptr<osg::BlendFunc> _blendOne;
|
|
osg::ref_ptr<osg::BlendFunc> _blendOneMinusSrcAlpha;
|
|
osg::ref_ptr<osg::ColorMask> _colorMaskOff;
|
|
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|