FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Flesh out more of basic ShadowTechnique and ShadowedScene API.

Browse Source
This commit is contained in:
Robert Osfield
2007-02-08 17:23:40 +00:00
parent 47622e6134
commit 95befaf1ed
5 changed files with 120 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
src/osgShadow/ShadowedScene.cpp
View File

@@ -32,26 +32,42 @@ ShadowedScene::ShadowedScene(const ShadowedScene& copy, const osg::CopyOp& copyo
setNumChildrenRequiringUpdateTraversal(getNumChildrenRequiringUpdateTraversal()+1);
}
ShadowedScene::~ShadowedScene()
{
setShadowTechnique(0);
}
void ShadowedScene::traverse(osg::NodeVisitor& nv)
{
if (nv.getVisitorType() == osg::NodeVisitor::UPDATE_VISITOR)
if (_shadowTechnique.valid())
{
Group::traverse(nv);
return;
_shadowTechnique->traverse(nv);
}
if (nv.getVisitorType() != osg::NodeVisitor::CULL_VISITOR)
else
{
Group::traverse(nv);
return;
osg::Group::traverse(nv);
}
}
void ShadowedScene::setShadowTechnique(ShadowTechnique* technique)
{
if (_shadowTechnique == technique) return;
if (_shadowTechnique.valid()) _shadowTechnique->_shadowedScene = 0;
_shadowTechnique = technique;
if (_shadowTechnique.valid())
{
_shadowTechnique->_shadowedScene = this;
_shadowTechnique->dirty();
}
}
void ShadowedScene::dirty()
{
if (_shadowTechnique.valid())
{
_shadowTechnique->dirty();
}
osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(&nv);
if (!cv)
{
Group::traverse(nv);
return;
}
Group::traverse(nv);
}