Action::ResultE ShadingCallbacks::matDrawableRenderEnter(CNodePtr &pNode,
Action *action)
{
ShadingAction *a = dynamic_cast<ShadingAction *>(action );
MaterialDrawable *pMD = dynamic_cast<MaterialDrawable *>(pNode.getCPtr());
Material::DrawFunctor func;
func = osgTypedMethodFunctor1ObjPtr(pMD,
&MaterialDrawable::drawPrimitives);
Material *m = a->getMaterial();
if(m == NULL)
{
if(pMD->getMaterial() != NullFC)
{
m = pMD->getMaterial().getCPtr();
}
else
{
fprintf(stderr, "MaterialDrawable::render: no Material!?!\n");
return Action::Continue;
}
}
a->dropFunctor(func, m);
return Action::Continue;
}
Action::ResultE ShadingCallbacks::switchRender(CNodePtr &pNode,
Action *action)
{
Action::ResultE returnValue = Action::Continue;
DrawActionBase *da = dynamic_cast<DrawActionBase *>(action );
Switch *pSw = dynamic_cast<Switch *>(pNode.getCPtr());
if((pSw->getChoice() >= 0 ) &&
(pSw->getChoice() < action->getNNodes()) )
{
da->useNodeList();
if(da->isVisible(action->getNode(pSw->getChoice()).getCPtr()))
{
da->addNode(action->getNode(pSw->getChoice()));
}
}
else if(pSw->getChoice() == Switch::ALL)
{
if(da->selectVisibles() == 0)
returnValue = Action::Skip;
}
else
{
returnValue = Action::Skip;
}
return returnValue;
}
Action::ResultE ShadingCallbacks::spotlightRenderLeave(CNodePtr &pNode,
Action *action)
{
SpotLight *pSp = dynamic_cast<SpotLight *>(pNode.getCPtr());
if(pSp->getOn() == false)
return Action::Continue;
return lightRenderLeave(pSp, action);
}
Action::ResultE ShadingCallbacks::pointlightRenderLeave(CNodePtr &pNode,
Action *action)
{
PointLight *pPl = dynamic_cast<PointLight *>(pNode.getCPtr());
if(pPl->getOn() == false)
return Action::Continue;
return lightRenderLeave(pPl, action);
}
Action::ResultE ShadingCallbacks::dirlightRenderLeave(CNodePtr &pNode,
Action *action)
{
DirectionalLight *pDl = dynamic_cast<DirectionalLight *>(pNode.getCPtr());
if(pDl->getOn() == false)
return Action::Continue;
return lightRenderLeave(pDl, action);
}
Action::ResultE ShadingCallbacks::transformRenderEnter(CNodePtr &pNode,
Action *action)
{
ShadingAction *pAct = dynamic_cast<ShadingAction *>(action );
Transform *pTr = dynamic_cast<Transform *>(pNode.getCPtr());
pAct->push_matrix(pTr->getMatrix());
pAct->selectVisibles();
return Action::Continue;
}
Action::ResultE ShadingCallbacks::matGroupRenderEnter(CNodePtr &pNode,
Action *action)
{
ShadingAction *da = dynamic_cast<ShadingAction *>(action );
MaterialGroup *pMG = dynamic_cast<MaterialGroup *>(pNode.getCPtr());
if(da != NULL && pMG->getSFMaterial()->getValue() != NullFC)
{
da->setMaterial(&(*(pMG->getSFMaterial()->getValue())));
}
return Action::Continue;
}
Action::ResultE ShadingCallbacks::spotlightRenderEnter(CNodePtr &pNode,
Action *action)
{
SpotLight *pSp = dynamic_cast<SpotLight *>(pNode.getCPtr());
if(pSp->getOn() == false)
return Action::Continue;
DrawActionBase *da = dynamic_cast<DrawActionBase *>(action);
da->getStatistics()->getElem(SpotLight::statNSpotLights)->inc();
return pointlightRenderEnter(pNode, action);
}
Action::ResultE ShadingCallbacks::dirlightRenderEnter(CNodePtr &pNode,
Action *action)
{
DirectionalLight *pDl = dynamic_cast<DirectionalLight *>(pNode.getCPtr());
if(pDl->getOn() == false)
return Action::Continue;
DrawActionBase *da = dynamic_cast<DrawActionBase *>(action);
da->getStatistics()->getElem(
DirectionalLight::statNDirectionalLights)->inc();
return lightRenderEnter(pDl, action);
}
OSG_USING_NAMESPACE
Action::ResultE ShadingCallbacks::billboardRenderEnter(CNodePtr &pNode,
Action *action)
{
ShadingAction *pAct = dynamic_cast<ShadingAction *>(action );
Billboard *pBB = dynamic_cast<Billboard *>(pNode.getCPtr());
Matrix mMat;
// cerr << "BB::render" << std::endl;
pBB->calcMatrix(pAct, pAct->top_matrix(), mMat);
pAct->push_matrix(mMat);
// !!! can't use visibles, as ToWorld gives garbage leading to wrong culling
// pAct->selectVisibles();
return Action::Continue;
}
Action::ResultE ShadingCallbacks::distanceLODRender(CNodePtr &pNode,
Action *action)
{
DrawActionBase *da = dynamic_cast<DrawActionBase *>(action);
ShadingAction *ra = dynamic_cast<ShadingAction *>(action);
DistanceLOD *pDLOD = dynamic_cast<DistanceLOD *>(pNode.getCPtr());
UInt32 numLevels = action->getNNodes ();
UInt32 numRanges = pDLOD ->getMFRange()->size();
UInt32 limit = osgMin(numLevels, numRanges);
Int32 index = -1;
Pnt3f eyepos(0.f, 0.f, 0.f);
Pnt3f objpos;
da->getCameraToWorld().mult(eyepos);
if(ra != NULL)
{
ra->top_matrix() .mult(pDLOD->getCenter(), objpos);
}
else
{
da->getActNode()->getToWorld().mult(pDLOD->getCenter(), objpos);
}
Real32 dist = osgsqrt((eyepos[0] - objpos[0])*(eyepos[0] - objpos[0]) +
(eyepos[1] - objpos[1])*(eyepos[1] - objpos[1]) +
(eyepos[2] - objpos[2])*(eyepos[2] - objpos[2]));
da->useNodeList();
if(numRanges != 0 && numLevels!=0 )
{
if(dist < (*(pDLOD->getMFRange()))[0])
{
index = 0;
}
else if(dist >= (*(pDLOD->getMFRange()))[numRanges-1])
{
index = (numLevels > numRanges) ? numRanges : (limit-1);
}
else
{
UInt32 i = 1;
while( (i < numRanges) &&
!( ((*(pDLOD->getMFRange()))[i-1] <= dist) &&
(dist < (*(pDLOD->getMFRange()))[i] ) ) )
{
i++;
}
index = osgMin(i, limit-1);
}
if(da->isVisible(action->getNode(index).getCPtr()))
{
da->addNode(action->getNode(index));
}
}
return Action::Continue;
}