Problem was, if no vertices were ever added to one of the obect's vgroups, there is no CD_DEFORMVERT layer, even though there might be several valid vgroup indices... Odd no one noticed that earlier. Many thanks to miikah for finding that bug!
Problem was, if no vertices were ever added to one of the obect's vgroups, there is no CD_DEFORMVERT layer, even though there might be several valid vgroup indices... Odd no one noticed that earlier. Many thanks to miikah for finding that bug!