bool DSLightChunk::operator == (const StateChunk &other) const
{
const DSLightChunk *tother = dynamic_cast<const DSLightChunk *>(&other);
if(!tother)
return false;
if(tother == this)
return true;
if(!getAmbient ().equals(tother->getAmbient (),
TypeTraits<Real32>::getDefaultEps()) ||
!getDiffuse ().equals(tother->getDiffuse (),
TypeTraits<Real32>::getDefaultEps()) ||
!getSpecular ().equals(tother->getSpecular (),
TypeTraits<Real32>::getDefaultEps()) ||
!getPosition ().equals(tother->getPosition (),
TypeTraits<Real32>::getDefaultEps()) ||
!getDirection().equals(tother->getDirection(),
TypeTraits<Real32>::getDefaultEps()) ||
getConstantAttenuation () != tother->getConstantAttenuation () ||
getLinearAttenuation () != tother->getLinearAttenuation () ||
getQuadraticAttenuation() != tother->getQuadraticAttenuation() ||
getCutoff () != tother->getCutoff () ||
getExponent () != tother->getExponent ()
)
{
return false;
}
return true;
}
bool PointChunk::operator == (const StateChunk &other) const
{
PointChunk const *tother = dynamic_cast<PointChunk const*>(&other);
if(!tother)
return false;
if(tother == this)
return true;
if(getSize() != tother->getSize() ||
getSmooth() != tother->getSmooth() ||
getMinSize() != tother->getMinSize() ||
getMaxSize() != tother->getMaxSize() ||
getConstantAttenuation() != tother->getConstantAttenuation() ||
getLinearAttenuation() != tother->getLinearAttenuation() ||
getQuadraticAttenuation() != tother->getQuadraticAttenuation() ||
getFadeThreshold() != tother->getFadeThreshold() ||
getSprite() != tother->getSprite() ||
getRMode() != tother->getRMode() )
{
return false;
}
return true;
}
Vector3f
SpotLight::getAttenuation () const
{
Single constantAtten = getConstantAttenuation ();
Single linearAtten = getLinearAttenuation ();
Single quadraticAtten = getQuadraticAttenuation ();
Vector3f attenuation (constantAtten, linearAtten, quadraticAtten);
return (attenuation);
}
void PointLight::makeChunk(void)
{
Inherited::makeChunk();
Vec4f pos(_sfPosition.getValue());
pos[3] = 1;
_pChunk->setPosition (pos );
_pChunk->setConstantAttenuation (getConstantAttenuation ());
_pChunk->setLinearAttenuation (getLinearAttenuation ());
_pChunk->setQuadraticAttenuation(getQuadraticAttenuation());
}
void PointChunk::changeFrom(DrawEnv *pEnv,
StateChunk *old_chunk,
UInt32 )
{
PointChunk *old = dynamic_cast<PointChunk *>(old_chunk);
#ifndef OSG_OGL_ES2
if(getSize() != old->getSize())
glPointSize(getSize());
#endif
#if !defined(OSG_OGL_COREONLY) || defined(OSG_CHECK_COREONLY)
if(getSmooth() && !old->getSmooth())
{
glEnable(GL_POINT_SMOOTH);
}
else if(!getSmooth() && old->getSmooth())
{
glDisable(GL_POINT_SMOOTH);
}
#endif
Window *pWin = pEnv->getWindow();
osgSinkUnusedWarning(pWin);
#if GL_ARB_point_parameters
if(getMinSize() >= 0.f)
{
if(pEnv->getWindow()->hasExtOrVersion(_extPointParameters, 0x0104))
{
OSGGETGLFUNCBYID_GL3( glPointParameterf,
osgGlPointParameterf,
_funcIdPointParameterf,
pWin);
#if !defined(OSG_OGL_COREONLY) || defined(OSG_CHECK_COREONLY)
OSGGETGLFUNCBYID_GL3( glPointParameterfv,
osgGlPointParameterfv,
_funcIdPointParameterfv,
pWin);
osgGlPointParameterf(GL_POINT_SIZE_MIN_ARB, getMinSize());
osgGlPointParameterf(GL_POINT_SIZE_MAX_ARB, getMaxSize());
#endif
osgGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_ARB,
getFadeThreshold());
#if !defined(OSG_OGL_COREONLY) || defined(OSG_CHECK_COREONLY)
GLfloat att[3] = { getConstantAttenuation (),
getLinearAttenuation (),
getQuadraticAttenuation() };
osgGlPointParameterfv(GL_POINT_DISTANCE_ATTENUATION_ARB, att);
#endif
}
}
else if(old->getMinSize() >= 0.f)
{
if(pEnv->getWindow()->hasExtOrVersion(_extPointParameters, 0x0104))
{
OSGGETGLFUNCBYID_GL3( glPointParameterf,
osgGlPointParameterf,
_funcIdPointParameterf,
pWin);
#if !defined(OSG_OGL_COREONLY) || defined(OSG_CHECK_COREONLY)
OSGGETGLFUNCBYID_GL3( glPointParameterfv,
osgGlPointParameterfv,
_funcIdPointParameterfv,
pWin);
osgGlPointParameterf(GL_POINT_SIZE_MIN_ARB, 0);
osgGlPointParameterf(GL_POINT_SIZE_MAX_ARB, 1e10);
#endif
osgGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 1);
#if !defined(OSG_OGL_COREONLY) || defined(OSG_CHECK_COREONLY)
GLfloat att[3] = { 1, 0, 0 };
osgGlPointParameterfv(GL_POINT_DISTANCE_ATTENUATION_ARB, att);
#endif
}
}
#endif
#if !defined(OSG_OGL_COREONLY) || defined(OSG_CHECK_COREONLY)
#if GL_ARB_point_sprite
if(getSprite() && !old->getSprite())
{
if(pEnv->getWindow()->hasExtOrVersion(_extPointSpriteARB, 0x0200))
{
#if GL_NV_point_sprite
if(pEnv->getWindow()->hasExtension(_extPointSpriteNV))
{
OSGGETGLFUNCBYID_GL3( glPointParameterf,
osgGlPointParameterf,
_funcIdPointParameterf,
pWin);
osgGlPointParameterf(GL_POINT_SPRITE_R_MODE_NV,
Real32(getRMode()));
}
#endif
glEnable(GL_POINT_SPRITE_ARB);
}
}
else if(!getSprite() && old->getSprite())
{
if(pEnv->getWindow()->hasExtOrVersion(_extPointSpriteARB, 0x0200))
{
glDisable(GL_POINT_SPRITE_ARB);
}
}
#endif
#endif
#if ! defined(GL_ARB_point_parameters) && ! defined(GL_ARB_point_sprite)
pEnv;
#endif
}
