diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_boolean_convert.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh_boolean_convert.cc | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/source/blender/blenkernel/intern/mesh_boolean_convert.cc b/source/blender/blenkernel/intern/mesh_boolean_convert.cc index 14bd6aa5b2f..a1ef2d2e6b5 100644 --- a/source/blender/blenkernel/intern/mesh_boolean_convert.cc +++ b/source/blender/blenkernel/intern/mesh_boolean_convert.cc @@ -791,7 +791,8 @@ Mesh *direct_mesh_boolean(Span<const Mesh *> meshes, Span<Array<short>> material_remaps, const bool use_self, const bool hole_tolerant, - const int boolean_mode) + const int boolean_mode, + Vector<int> *r_intersecting_edges) { #ifdef WITH_GMP BLI_assert(meshes.size() == transforms.size()); @@ -828,7 +829,23 @@ Mesh *direct_mesh_boolean(Span<const Mesh *> meshes, write_obj_mesh(m_out, "m_out"); } - return imesh_to_mesh(&m_out, mim); + Mesh *result = imesh_to_mesh(&m_out, mim); + + /* Store intersecting edge indices. */ + if (r_intersecting_edges != nullptr) { + for (int fi : m_out.face_index_range()) { + const Face &face = *m_out.face(fi); + const MPoly &poly = result->mpoly[fi]; + for (int corner_i : face.index_range()) { + if (face.is_intersect[corner_i]) { + int e_index = result->mloop[poly.loopstart + corner_i].e; + r_intersecting_edges->append(e_index); + } + } + } + } + + return result; #else // WITH_GMP UNUSED_VARS(meshes, transforms, @@ -836,7 +853,8 @@ Mesh *direct_mesh_boolean(Span<const Mesh *> meshes, target_transform, use_self, hole_tolerant, - boolean_mode); + boolean_mode, + r_intersecting_edges); return nullptr; #endif // WITH_GMP } |