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Fix AlphaController affecting all instances of the StateSet

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This commit is contained in:
scrawl 2015-07-30 23:51:37 +02:00
parent a391579382
commit de479e35c8
2 changed files with 9 additions and 0 deletions
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7
components/nifosg/controller.cpp
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@ -353,6 +353,13 @@ AlphaController::AlphaController(const AlphaController &copy, const osg::CopyOp
{
}
void AlphaController::setDefaults(osg::StateSet *stateset)
{
// need to create a deep copy of StateAttributes we will modify
osg::Material* mat = static_cast<osg::Material*>(stateset->getAttribute(osg::StateAttribute::MATERIAL));
stateset->setAttribute(osg::clone(mat, osg::CopyOp::DEEP_COPY_ALL), osg::StateAttribute::ON);
}
void AlphaController::apply(osg::StateSet *stateset, osg::NodeVisitor *nv)
{
if (hasInput())

2
components/nifosg/controller.hpp
View file

@ -189,6 +189,8 @@ namespace NifOsg
AlphaController();
AlphaController(const AlphaController& copy, const osg::CopyOp& copyop);
virtual void setDefaults(osg::StateSet* stateset);
virtual void apply(osg::StateSet* stateset, osg::NodeVisitor* nv);
META_Object(NifOsg, AlphaController)