diff options
Diffstat (limited to 'source/blender/editors/mesh/meshtools.cc')
| -rw-r--r-- | source/blender/editors/mesh/meshtools.cc | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/source/blender/editors/mesh/meshtools.cc b/source/blender/editors/mesh/meshtools.cc index e9a34cf95cb..330560be026 100644 --- a/source/blender/editors/mesh/meshtools.cc +++ b/source/blender/editors/mesh/meshtools.cc @@ -10,6 +10,8 @@ #include "MEM_guardedalloc.h" +#include "BLI_virtual_array.hh" + #include "DNA_key_types.h" #include "DNA_material_types.h" #include "DNA_mesh_types.h" @@ -21,6 +23,7 @@ #include "DNA_view3d_types.h" #include "DNA_workspace_types.h" +#include "BKE_attribute.hh" #include "BKE_context.h" #include "BKE_customdata.h" #include "BKE_deform.h" @@ -247,9 +250,19 @@ static void join_mesh_single(Depsgraph *depsgraph, CustomData_merge(&me->pdata, pdata, CD_MASK_MESH.pmask, CD_SET_DEFAULT, totpoly); CustomData_copy_data_named(&me->pdata, pdata, 0, *polyofs, me->totpoly); + blender::bke::AttributeWriter<int> material_indices = + blender::bke::mesh_attributes_for_write(*me).lookup_for_write<int>("material_index"); + if (material_indices) { + blender::MutableVArraySpan<int> material_indices_span(material_indices.varray); + for (const int i : material_indices_span.index_range()) { + material_indices_span[i] = matmap ? matmap[material_indices_span[i]] : 0; + } + material_indices_span.save(); + material_indices.finish(); + } + for (a = 0; a < me->totpoly; a++, mpoly++) { mpoly->loopstart += *loopofs; - mpoly->mat_nr = matmap ? matmap[mpoly->mat_nr] : 0; } /* Face maps. */ |