diff options
Diffstat (limited to 'source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh')
| -rw-r--r-- | source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh index 7650a220810..f47ca423dbc 100644 --- a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh +++ b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh @@ -116,6 +116,7 @@ class OBJMesh : NonCopyable { int tot_uv_vertices() const; int tot_normal_indices() const; int tot_edges() const; + int tot_deform_groups() const; bool is_mirrored_transform() const { return mirrored_transform_; @@ -204,13 +205,15 @@ class OBJMesh : NonCopyable { */ Vector<int> calc_poly_normal_indices(int poly_index) const; /** - * Find the index of the vertex group with the maximum number of vertices in a polygon. - * The index indices into the #Object.defbase. + * Find the most representative vertex group of a polygon. + * + * This adds up vertex group weights, and the group with the largest + * weight sum across the polygon is the one returned. * - * If two or more groups have the same number of vertices (maximum), group name depends on the - * implementation of #std::max_element. + * group_weights is temporary storage to avoid reallocations, it must + * be the size of amount of vertex groups in the object. */ - int16_t get_poly_deform_group_index(int poly_index) const; + int16_t get_poly_deform_group_index(int poly_index, MutableSpan<float> group_weights) const; /** * Find the name of the vertex deform group at the given index. * The index indices into the #Object.defbase. |