Note: This still needs some copy-on-write magic to get the bone pointers to get remapped properly (e.g. evaluated pose still refers to original arm->bones, and arm->act_bone isn't getting remapped).
Note: This still needs some copy-on-write magic to get the bone pointers to get remapped properly (e.g. evaluated pose still refers to original arm->bones, and arm->act_bone isn't getting remapped).