FGFS-4.1/OpenSceneGraph
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Moved ViewDependetShadowMap parameter settings into a dedicated ShadowSettings object in prep for making it possible to scale the API to handle multiple lights and multiple shadow maps per light.

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This commit is contained in:
Robert Osfield
2011-09-07 15:55:54 +00:00
parent 772c7d75c5
commit 3a79bc343d
9 changed files with 223 additions and 116 deletions
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32
src/osgShadow/ShadowedScene.cpp
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@@ -23,23 +23,34 @@ using namespace osgShadow;
ShadowedScene::ShadowedScene(ShadowTechnique* st):
_receivesShadowTraversalMask(0xffffffff),
_castsShadowTraversalMask(0xffffffff)
_castsShadowTraversalMask(0xffffffff)
{
setNumChildrenRequiringUpdateTraversal(1);
if (st) setShadowTechnique(st);
setShadowSettings(new ShadowSettings);
if (st) setShadowTechnique(st);
}
ShadowedScene::ShadowedScene(const ShadowedScene& copy, const osg::CopyOp& copyop):
osg::Group(copy,copyop),
_receivesShadowTraversalMask(copy._receivesShadowTraversalMask),
_castsShadowTraversalMask(copy._castsShadowTraversalMask)
ShadowedScene::ShadowedScene(const ShadowedScene& ss, const osg::CopyOp& copyop):
osg::Group(ss,copyop),
_receivesShadowTraversalMask(ss._receivesShadowTraversalMask),
_castsShadowTraversalMask(ss._castsShadowTraversalMask)
{
setNumChildrenRequiringUpdateTraversal(getNumChildrenRequiringUpdateTraversal()+1);
if (copy._shadowTechnique.valid())
if (ss._shadowTechnique.valid())
{
setShadowTechnique( dynamic_cast<osgShadow::ShadowTechnique*>(copy._shadowTechnique->clone(copyop)) );
setShadowTechnique( dynamic_cast<osgShadow::ShadowTechnique*>(ss._shadowTechnique->clone(copyop)) );
}
if (ss._shadowSettings)
{
setShadowSettings(ss._shadowSettings.get());
}
else
{
setShadowSettings(new ShadowSettings);
}
}
@@ -61,6 +72,11 @@ void ShadowedScene::traverse(osg::NodeVisitor& nv)
}
}
void ShadowedScene::setShadowSettings(ShadowSettings* ss)
{
_shadowSettings = ss;
}
void ShadowedScene::setShadowTechnique(ShadowTechnique* technique)
{
if (_shadowTechnique == technique) return;