diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_convert.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh_convert.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/source/blender/blenkernel/intern/mesh_convert.cc b/source/blender/blenkernel/intern/mesh_convert.cc index cb72e09af16..393d54bb03e 100644 --- a/source/blender/blenkernel/intern/mesh_convert.cc +++ b/source/blender/blenkernel/intern/mesh_convert.cc @@ -140,6 +140,7 @@ static void make_edges_mdata_extend(Mesh &mesh) static Mesh *mesh_nurbs_displist_to_mesh(const Curve *cu, const ListBase *dispbase) { + using namespace blender::bke; const float *data; int a, b, ofs, vertcount, startvert, totvert = 0, totedge = 0, totloop = 0, totpoly = 0; int p1, p2, p3, p4, *index; @@ -194,6 +195,9 @@ static Mesh *mesh_nurbs_displist_to_mesh(const Curve *cu, const ListBase *dispba MEdge *medge = edges.data(); MPoly *mpoly = polys.data(); MLoop *mloop = loops.data(); + MutableAttributeAccessor attributes = mesh_attributes_for_write(*mesh); + SpanAttributeWriter<int> material_indices = attributes.lookup_or_add_for_write_only_span<int>( + "material_index", ATTR_DOMAIN_FACE); MLoopUV *mloopuv = static_cast<MLoopUV *>(CustomData_add_layer_named( &mesh->ldata, CD_MLOOPUV, CD_SET_DEFAULT, nullptr, mesh->totloop, "UVMap")); @@ -272,7 +276,7 @@ static Mesh *mesh_nurbs_displist_to_mesh(const Curve *cu, const ListBase *dispba mloop[2].v = startvert + index[1]; mpoly->loopstart = (int)(mloop - loops.data()); mpoly->totloop = 3; - mpoly->mat_nr = dl->col; + material_indices.span[mpoly - polys.data()] = dl->col; if (mloopuv) { for (int i = 0; i < 3; i++, mloopuv++) { @@ -332,7 +336,7 @@ static Mesh *mesh_nurbs_displist_to_mesh(const Curve *cu, const ListBase *dispba mloop[3].v = p2; mpoly->loopstart = (int)(mloop - loops.data()); mpoly->totloop = 4; - mpoly->mat_nr = dl->col; + material_indices.span[mpoly - polys.data()] = dl->col; if (mloopuv) { int orco_sizeu = dl->nr - 1; @@ -385,6 +389,8 @@ static Mesh *mesh_nurbs_displist_to_mesh(const Curve *cu, const ListBase *dispba make_edges_mdata_extend(*mesh); } + material_indices.finish(); + return mesh; } |