- group_attr = [(group_index_map[g.group], g.weight*v.group_weight_scale) for g in v.groups[:mesh.max_groups_per_vertex]]
- while len(group_attr)<mesh.max_groups_per_vertex:
- group_attr.append((0, 0.0))
- group_attr = list(itertools.chain(*group_attr))
- if group_attr!=group:
- st.sub.append(Statement("generic", 0, *group_attr))
- group = group_attr
+ v_group = [g.group for g in v.groups]
+ v_weight = [g.weight for g in v.groups]
+ if v_group!=group:
+ st.sub.append(Statement("group", *v_group))
+ group = v_group
+ if v_weight!=weight:
+ st.sub.append(Statement("weight", *v_weight))
+ weight = v_weight