void triangulate_visitor::do_visit( mesh_model_t& model,
shape_t& shape,
mesh_model_t& new_model,
shape_t& new_shape)
{
// copy attributes
new_shape.attributes().point() = shape.attributes().point();
new_shape.attributes().constant() = shape.attributes().constant();
new_shape.attributes().vertex() = attribute_table_t::create_empty_with_same_attributes( shape.attributes().vertex());
new_shape.attributes().primitive() = attribute_table_t::create_empty_with_same_attributes( shape.attributes().primitive());
arrays::const_array_ref_t<math::point3f_t> points( shape.attributes().point().const_array( g_P_name));
arrays::const_array_ref_t<boost::uint32_t> verts_per_face( model.const_verts_per_face_array());
arrays::const_array_ref_t<boost::uint32_t> face_vert_indices( model.const_face_vert_indices_array());
boost::uint32_t face_start_index = 0;
for( int i = 0, e = model.num_faces(); i < e; ++i)
{
boost::uint32_t num_verts = verts_per_face[i];
if( num_verts == 3)
copy_face( model, shape, i, face_start_index, new_model, new_shape);
else
{
if( num_verts == 4)
{
if( keep_quads_)
copy_face( model, shape, i, face_start_index, new_model, new_shape);
else
triangulate_quad( model, shape, i, face_start_index, new_model, new_shape);
}
else
{
// TODO: triangulate polygon here
throw core::not_implemented();
}
}
face_start_index += num_verts;
}
shape.swap( new_shape);
throw core::not_implemented();
}
