Nope, no result.
This is my code now:
win_ptr->load_model(ralph,"models/ralph-run.egg.pz");
auto_bind(ralph.node(), _ralph_anims, PartGroup::HMF_ok_wrong_root_name);
_ralph_anims.loop_all(true);
EDIT: OK, I already fixed it. I took a look at pview again and saw that it also included the HMF_ok_part_extra and HMF_ok_anim_extra flags. I added those to my code and it worked great!
This is the working code now:
win_ptr->load_model(ralph,"models/ralph-run.egg.pz");
auto_bind(ralph.node(), _ralph_anims, PartGroup::HMF_ok_part_extra | PartGroup::HMF_ok_anim_extra | PartGroup::HMF_ok_wrong_root_name);
_ralph_anims.loop_all(true);
Thanks again for your continued assistance!