FGFS-4.1/OpenSceneGraph
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Added BlendFunc for transparent materials

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This commit is contained in:
Michael PLATINGS
2010-03-04 17:01:33 +00:00
parent 65489693d9
commit 0f58cc2628
1 changed files with 20 additions and 4 deletions
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24
src/osgPlugins/fbx/fbxRMesh.cpp
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@@ -1,6 +1,7 @@
#include <cassert>
#include <sstream>
#include <osg/BlendFunc>
#include <osg/Geode>
#include <osg/Image>
#include <osg/MatrixTransform>
@@ -163,11 +164,26 @@ osg::Geometry* getGeometry(osg::Geode* pGeode, GeometryMap& geometryMap,
if (mti < stateSetList.size())
{
bool transparent = false;
const StateSetContent& ss = stateSetList[mti];
if(ss.first)
pGeometry->getOrCreateStateSet()->setAttributeAndModes(ss.first);
if(ss.second)
pGeometry->getOrCreateStateSet()->setTextureAttributeAndModes(0, ss.second);
if (osg::Material* pMaterial = ss.first)
{
pGeometry->getOrCreateStateSet()->setAttributeAndModes(pMaterial);
transparent = pMaterial->getDiffuse(osg::Material::FRONT).w() < 1.0f;
}
if (osg::Texture2D* pTexture = ss.second)
{
pGeometry->getOrCreateStateSet()->setTextureAttributeAndModes(0, pTexture);
if (!transparent && pTexture->getImage())
{
transparent = pTexture->getImage()->isImageTranslucent();
}
}
if (transparent)
{
pGeometry->getOrCreateStateSet()->setAttributeAndModes(new osg::BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
}
}
geometryMap.insert(std::pair<unsigned, osg::ref_ptr<osg::Geometry> >(mti, pGeometry));