void HeightFieldDrawable::accept(osg::PrimitiveFunctor& pf) const
{
// use the cached vertex positions for PrimitiveFunctor operations
if (!_geometry) return;
if (_vertices.valid())
{
pf.setVertexArray(_vertices->size(), &((*_vertices)[0]));
const osg::DrawElementsUShort* deus = dynamic_cast<const osg::DrawElementsUShort*>(_geometry->getDrawElements());
if (deus)
{
pf.drawElements(GL_QUADS, deus->size(), &((*deus)[0]));
}
else
{
const osg::DrawElementsUInt* deui = dynamic_cast<const osg::DrawElementsUInt*>(_geometry->getDrawElements());
if (deui)
{
pf.drawElements(GL_QUADS, deui->size(), &((*deui)[0]));
}
}
}
else
{
_geometry->accept(pf);
}
}
void Text3D::accept(osg::PrimitiveFunctor& pf) const
{
// ** for each line, do ...
TextRenderInfo::const_iterator itLine, endLine = _textRenderInfo.end();
for (itLine = _textRenderInfo.begin(); itLine!=endLine; ++itLine)
{
// ** for each glyph in the line, do ...
LineRenderInfo::const_iterator it, end = itLine->end();
for (it = itLine->begin(); it!=end; ++it)
{
pf.setVertexArray(it->_glyph->getVertexArray()->size(),&(it->_glyph->getVertexArray()->front()));
// ** render the front face of the glyph
osg::Geometry::PrimitiveSetList & pslFront = it->_glyph->getFrontPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslFront.begin(), end = pslFront.end(); itr!=end; ++itr)
{
(*itr)->accept(pf);
}
// ** render the wall face of the glyph
osg::Geometry::PrimitiveSetList & pslWall = it->_glyph->getWallPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslWall.begin(), end=pslWall.end(); itr!=end; ++itr)
{
(*itr)->accept(pf);
}
// ** render the back face of the glyph
osg::Geometry::PrimitiveSetList & pslBack = it->_glyph->getBackPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslBack.begin(), end=pslBack.end(); itr!=end; ++itr)
{
(*itr)->accept(pf);
}
}
}
}
void SharedGeometry::accept(osg::PrimitiveFunctor& pf) const
{
pf.setVertexArray(_vertexArray->getNumElements(),static_cast<const osg::Vec3*>(_vertexArray->getDataPointer()));
_drawElements->accept(pf);
}
void ImpostorSprite::accept(osg::PrimitiveFunctor& functor) const
{
functor.setVertexArray(4,_coords);
functor.drawArrays( GL_QUADS, 0, 4);
}
