FGFS-4.1/OpenSceneGraph
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Added support for using the scenes light source setting to set up the

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ShadowVolume's effect light parameters
This commit is contained in:
Robert Osfield
2007-02-15 17:25:14 +00:00
parent 644c92218d
commit 166d624c7f
1 changed files with 20 additions and 1 deletions
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21
src/osgShadow/ShadowVolume.cpp
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@@ -359,7 +359,7 @@ void ShadowVolume::cull(osgUtil::CullVisitor& cv)
if (shadowVolumeBin.valid())
{
// osg::notify(osg::NOTICE)<<"Found shadow volume bin, now removing it"<<std::endl;
//osg::notify(osg::NOTICE)<<"Found shadow volume bin, now removing it"<<std::endl;
new_bin->getRenderBinList().erase(itr);
}
}
@@ -384,6 +384,8 @@ void ShadowVolume::cull(osgUtil::CullVisitor& cv)
osg::ref_ptr<osgUtil::PositionalStateContainer> ps = new osgUtil::PositionalStateContainer;
new_rs->setPositionalStateContainer(ps.get());
const osg::Light* selectLight = 0;
osgUtil::PositionalStateContainer::AttrMatrixList& aml = orig_rs->getPositionalStateContainer()->getAttrMatrixList();
for(osgUtil::PositionalStateContainer::AttrMatrixList::iterator itr = aml.begin();
itr != aml.end();
@@ -395,6 +397,8 @@ void ShadowVolume::cull(osgUtil::CullVisitor& cv)
osg::RefMatrix* matrix = itr->second.get();
if (matrix) lightpos = light->getPosition() * (*matrix);
else lightpos = light->getPosition();
selectLight = light;
}
else
{
@@ -403,9 +407,24 @@ void ShadowVolume::cull(osgUtil::CullVisitor& cv)
}
_ambientLight->setPosition(lightpos);
if (selectLight)
orig_rs->addPositionedAttribute(0,_ambientLight.get());
_diffuseLight->setPosition(lightpos);
if (selectLight)
{
_ambientLight->setAmbient(selectLight->getAmbient());
_diffuseLight->setDiffuse(selectLight->getDiffuse());
_diffuseLight->setSpecular(selectLight->getSpecular());
_diffuseLight->setSpecular(selectLight->getSpecular());
_diffuseLight->setDirection(selectLight->getDirection());
_diffuseLight->setConstantAttenuation(selectLight->getConstantAttenuation());
_diffuseLight->setLinearAttenuation(selectLight->getLinearAttenuation());
_diffuseLight->setQuadraticAttenuation(selectLight->getQuadraticAttenuation());
_diffuseLight->setSpotExponent(selectLight->getSpotExponent());
_diffuseLight->setSpotCutoff(selectLight->getSpotCutoff());
}
ps->addPositionedAttribute(0, _diffuseLight.get());
if (_lightpos != lightpos && _dynamicShadowVolumes)