# bones.ludic - a bone is looked up in the skin's OWN joint list: every kit packs several rigs
# with the same bone names, and skin_find's first hit in the file belongs to whichever came first
export function skin_joint(sk: Skin, name: string) -> int {
  let i = skin_joint_quiet(sk, name)
  @alloc_ok("a line for a bone the rig does not have: a fault to fix, said as it happens")
  if i < 0 { print(`skin: no joint {name} in this skin`) }
  return i
}
# the same lookup without the complaint: animal_pose asks every skin for "wing_l" and "leg_fl_u"
export function skin_joint_quiet(sk: Skin, name: string) -> int {
  if sk == null { return -1 }
  for j in 0 .. sk.n_joints {
    let i = sk.joints[j]
    if sk.names[i] == name { return i }
  }
  return -1
}