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Fix #106743: Crash writing with legacy mesh format

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The new poly offsets were needed to interpolate attribute to a different
domain, but they were cleared when the legacy MPoly array was built.
Instead just clear the offsets a bit later after the other conversions.
This commit is contained in:
Hans Goudey
2023-04-11 12:27:41 -04:00
parent 90ad930a01
commit cd30bce7f1
1 changed files with 1 additions and 1 deletions
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2
source/blender/blenkernel/intern/mesh.cc
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@@ -278,7 +278,6 @@ static void mesh_blend_write(BlendWriter *writer, ID *id, const void *id_address
MutableSpan<MPoly> legacy_polys = BKE_mesh_legacy_convert_offsets_to_polys(
mesh, temp_arrays_for_legacy_format, poly_layers);
mesh->poly_offset_indices = nullptr;
BKE_mesh_legacy_convert_hide_layers_to_flags(mesh, legacy_polys);
BKE_mesh_legacy_convert_selection_layers_to_flags(mesh, legacy_polys);
@@ -292,6 +291,7 @@ static void mesh_blend_write(BlendWriter *writer, ID *id, const void *id_address
mesh->active_color_attribute = nullptr;
mesh->default_color_attribute = nullptr;
BKE_mesh_legacy_convert_loose_edges_to_flag(mesh);
mesh->poly_offset_indices = nullptr;
/* Set deprecated mesh data pointers for forward compatibility. */
mesh->medge = const_cast<MEdge *>(mesh->edges().data());