static void load_material_texture( obj::Model &model,
obj::Material &material,
osg::StateSet *stateset,
const std::string & filename,
const unsigned int texture_unit )
{
if (!filename.empty())
{
osg::ref_ptr< osg::Image > image;
if ( !model.getDatabasePath().empty() )
{
// first try with database path of parent.
image = osgDB::readImageFile(model.getDatabasePath()+'/'+filename);
}
if ( !image.valid() )
{
// if not already set then try the filename as is.
image = osgDB::readImageFile(filename);
}
if ( image.valid() )
{
osg::Texture2D* texture = new osg::Texture2D( image.get() );
osg::Texture::WrapMode textureWrapMode = osg::Texture::REPEAT;
texture->setWrap(osg::Texture2D::WRAP_R, textureWrapMode);
texture->setWrap(osg::Texture2D::WRAP_S, textureWrapMode);
texture->setWrap(osg::Texture2D::WRAP_T, textureWrapMode);
stateset->setTextureAttributeAndModes( texture_unit, texture,osg::StateAttribute::ON );
if ( material.textureReflection )
{
osg::TexGen* texgen = new osg::TexGen;
texgen->setMode(osg::TexGen::SPHERE_MAP);
stateset->setTextureAttributeAndModes( texture_unit,texgen,osg::StateAttribute::ON );
}
if ( image->isImageTranslucent())
{
osg::notify(osg::INFO)<<"Found transparent image"<<std::endl;
stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
}
}
}
if (material.uScale != 1.0f || material.vScale != 1.0f ||
material.uOffset != 0.0f || material.vOffset != 0.0f)
{
osg::Matrix mat;
if (material.uScale != 1.0f || material.vScale != 1.0f)
{
osg::notify(osg::DEBUG_INFO) << "Obj TexMat scale=" << material.uScale << "," << material.vScale << std::endl;
mat *= osg::Matrix::scale(material.uScale, material.vScale, 1.0);
}
if (material.uOffset != 0.0f || material.vOffset != 0.0f)
{
osg::notify(osg::DEBUG_INFO) << "Obj TexMat offset=" << material.uOffset << "," << material.uOffset << std::endl;
mat *= osg::Matrix::translate(material.uOffset, material.vOffset, 0.0);
}
osg::TexMat* texmat = new osg::TexMat;
texmat->setMatrix(mat);
stateset->setTextureAttributeAndModes( texture_unit,texmat,osg::StateAttribute::ON );
}
}
static void load_material_texture( obj::Model &model,
obj::Material::Map &map,
osg::StateSet *stateset,
const unsigned int texture_unit,
const osgDB::Options* options)
{
std::string filename = map.name;
if (!filename.empty())
{
osg::ref_ptr< osg::Image > image;
if ( !model.getDatabasePath().empty() )
{
// first try with database path of parent.
image = osgDB::readRefImageFile(model.getDatabasePath()+'/'+filename, options);
}
if ( !image.valid() )
{
// if not already set then try the filename as is.
image = osgDB::readRefImageFile(filename, options);
}
if ( image.valid() )
{
osg::Texture2D* texture = new osg::Texture2D( image.get() );
osg::Texture::WrapMode textureWrapMode;
if(map.clamp == true)
{
textureWrapMode = osg::Texture::CLAMP_TO_BORDER;
texture->setBorderColor(osg::Vec4(0.0,0.0,0.0,0.0)); // transparent
//stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
//stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
}
else
{
textureWrapMode = osg::Texture::REPEAT;
}
texture->setWrap(osg::Texture2D::WRAP_R, textureWrapMode);
texture->setWrap(osg::Texture2D::WRAP_S, textureWrapMode);
texture->setWrap(osg::Texture2D::WRAP_T, textureWrapMode);
stateset->setTextureAttributeAndModes( texture_unit, texture,osg::StateAttribute::ON );
if ( map.type == obj::Material::Map::REFLECTION )
{
osg::TexGen* texgen = new osg::TexGen;
texgen->setMode(osg::TexGen::SPHERE_MAP);
stateset->setTextureAttributeAndModes( texture_unit,texgen,osg::StateAttribute::ON );
}
if ( image->isImageTranslucent())
{
OSG_INFO<<"Found transparent image"<<std::endl;
stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
}
}
}
if (map.uScale != 1.0f || map.vScale != 1.0f ||
map.uOffset != 0.0f || map.vOffset != 0.0f)
{
osg::Matrix mat;
if (map.uScale != 1.0f || map.vScale != 1.0f)
{
OSG_DEBUG << "Obj TexMat scale=" << map.uScale << "," << map.vScale << std::endl;
mat *= osg::Matrix::scale(map.uScale, map.vScale, 1.0);
}
if (map.uOffset != 0.0f || map.vOffset != 0.0f)
{
OSG_DEBUG << "Obj TexMat offset=" << map.uOffset << "," << map.uOffset << std::endl;
mat *= osg::Matrix::translate(map.uOffset, map.vOffset, 0.0);
}
osg::TexMat* texmat = new osg::TexMat;
texmat->setMatrix(mat);
stateset->setTextureAttributeAndModes( texture_unit,texmat,osg::StateAttribute::ON );
}
}