FGFS-4.1/OpenSceneGraph
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add "hack" fix for black materials being exported from Maya.

Browse Source
This commit is contained in:
Robert Osfield
2006-07-06 11:30:20 +00:00
parent 8563e692a9
commit fd7ee0cf21
2 changed files with 176 additions and 128 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
src/osgPlugins/obj/ReaderWriterOBJ.cpp
View File

@@ -23,6 +23,7 @@
#include <osg/Node>
#include <osg/MatrixTransform>
#include <osg/Geode>
#include <osg/io_utils>
#include <osg/Geometry>
#include <osg/StateSet>
@@ -48,7 +49,7 @@
class ReaderWriterOBJ : public osgDB::ReaderWriter
{
public:
ReaderWriterOBJ() { }
ReaderWriterOBJ():_fixBlackMaterials(true) {}
virtual const char* className() const { return "Wavefront OBJ Reader"; }
virtual bool acceptsExtension(const std::string& extension) const {
@@ -72,6 +73,8 @@ protected:
inline osg::Vec3 transformVertex(const osg::Vec3& vec, const bool rotate) const ;
inline osg::Vec3 transformNormal(const osg::Vec3& vec, const bool rotate) const ;
bool _fixBlackMaterials;
};
@@ -105,6 +108,47 @@ osgDB::RegisterReaderWriterProxy<ReaderWriterOBJ> g_objReaderWriterProxy;
void ReaderWriterOBJ::buildMaterialToStateSetMap(obj::Model& model, MaterialToStateSetMap& materialToStateSetMap) const
{
if (_fixBlackMaterials)
{
osg::notify(osg::NOTICE)<<"Testing for black materials"<<std::endl;
// hack to fix Maya exported models that contian all black materials.
int numBlack = 0;
int numNotBlack = 0;
obj::Model::MaterialMap::iterator itr;
for(itr = model.materialMap.begin();
itr != model.materialMap.end();
++itr)
{
obj::Material& material = itr->second;
if (material.ambient==osg::Vec4(0.0f,0.0f,0.0f,1.0f) &&
material.diffuse==osg::Vec4(0.0f,0.0f,0.0f,1.0f))
{
++numBlack;
}
else
{
++numNotBlack;
}
}
if (numNotBlack==0 && numBlack!=0)
{
for(itr = model.materialMap.begin();
itr != model.materialMap.end();
++itr)
{
obj::Material& material = itr->second;
if (material.ambient==osg::Vec4(0.0f,0.0f,0.0f,1.0f) &&
material.diffuse==osg::Vec4(0.0f,0.0f,0.0f,1.0f))
{
material.ambient.set(0.3f,0.3f,0.3f,1.0f);
material.diffuse.set(1.0f,1.0f,1.0f,1.0f);
}
}
}
}
for(obj::Model::MaterialMap::iterator itr = model.materialMap.begin();
itr != model.materialMap.end();
++itr)