diff options
Diffstat (limited to 'source/blender/blenlib/intern/delaunay_2d.cc')
| -rw-r--r-- | source/blender/blenlib/intern/delaunay_2d.cc | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/source/blender/blenlib/intern/delaunay_2d.cc b/source/blender/blenlib/intern/delaunay_2d.cc index 47e4617d094..4582ea69d9b 100644 --- a/source/blender/blenlib/intern/delaunay_2d.cc +++ b/source/blender/blenlib/intern/delaunay_2d.cc @@ -2208,7 +2208,10 @@ static int power_of_10_greater_equal_to(int x) * order around each face in turn. And then the next face starts at * cdt->face_edge_offset beyond the start for the previous face. */ -template<typename T> void add_face_constraints(CDT_state<T> *cdt_state, const CDT_input<T> &input) +template<typename T> +void add_face_constraints(CDT_state<T> *cdt_state, + const CDT_input<T> &input, + CDT_output_type output_type) { int nv = input.vert.size(); int nf = input.face.size(); @@ -2265,8 +2268,16 @@ template<typename T> void add_face_constraints(CDT_state<T> *cdt_state, const CD } int fedge_end = fedge_start + flen - 1; if (face_symedge0 != nullptr) { + /* We need to propagate face ids to all faces that represent #f, if #need_ids. + * Even if `need_ids == false`, we need to propagate at least the fact that + * the face ids set would be non-empty if the output type is one of the ones + * making valid BMesh faces. */ int id = cdt_state->need_ids ? f : 0; add_face_ids(cdt_state, face_symedge0, id, fedge_start, fedge_end); + if (cdt_state->need_ids || (output_type == CDT_CONSTRAINTS_VALID_BMESH || + output_type == CDT_CONSTRAINTS_VALID_BMESH_WITH_HOLES)) { + add_face_ids(cdt_state, face_symedge0, f, fedge_start, fedge_end); + } } fstart += flen; } @@ -2779,7 +2790,7 @@ CDT_result<T> delaunay_calc(const CDT_input<T> &input, CDT_output_type output_ty add_input_verts(&cdt_state, input); initial_triangulation(&cdt_state.cdt); add_edge_constraints(&cdt_state, input); - add_face_constraints(&cdt_state, input); + add_face_constraints(&cdt_state, input, output_type); return get_cdt_output(&cdt_state, input, output_type); } |