diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_validate.c')
-rw-r--r-- | source/blender/blenkernel/intern/mesh_validate.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/source/blender/blenkernel/intern/mesh_validate.c b/source/blender/blenkernel/intern/mesh_validate.c index af09ef6dae0..5f11476574e 100644 --- a/source/blender/blenkernel/intern/mesh_validate.c +++ b/source/blender/blenkernel/intern/mesh_validate.c @@ -1526,111 +1526,6 @@ void BKE_mesh_calc_edges_legacy(Mesh *me, const bool use_old) BKE_mesh_strip_loose_faces(me); } -/** - * Calculate edges from polygons - * - * \param mesh: The mesh to add edges into - * \param update: When true create new edges co-exist - */ -void BKE_mesh_calc_edges(Mesh *mesh, bool update, const bool select) -{ - MEdge *med; - int i, totpoly = mesh->totpoly; - /* Select for newly created meshes which are selected T25595. */ - const short ed_flag = (ME_EDGEDRAW | ME_EDGERENDER) | (select ? SELECT : 0); - - if (mesh->totedge == 0) { - update = false; - } - - const unsigned int eh_reserve = max_ii(update ? mesh->totedge : 0, - BLI_EDGEHASH_SIZE_GUESS_FROM_POLYS(totpoly)); - EdgeHash *eh = BLI_edgehash_new_ex(__func__, eh_reserve); - - if (update) { - /* assume existing edges are valid - * useful when adding more faces and generating edges from them */ - med = mesh->medge; - for (i = 0; i < mesh->totedge; i++, med++) { - BLI_edgehash_insert(eh, med->v1, med->v2, med); - } - } - - /* mesh loops (bmesh only) */ - MPoly *mp; - for (mp = mesh->mpoly, i = 0; i < totpoly; mp++, i++) { - MLoop *l = &mesh->mloop[mp->loopstart]; - int j, v_prev = (l + (mp->totloop - 1))->v; - for (j = 0; j < mp->totloop; j++, l++) { - if (v_prev != l->v) { - void **val_p; - if (!BLI_edgehash_ensure_p(eh, v_prev, l->v, &val_p)) { - *val_p = NULL; - } - } - v_prev = l->v; - } - } - - const int totedge = BLI_edgehash_len(eh); - - /* write new edges into a temporary CustomData */ - CustomData edata; - CustomData_reset(&edata); - CustomData_add_layer(&edata, CD_MEDGE, CD_CALLOC, NULL, totedge); - - med = CustomData_get_layer(&edata, CD_MEDGE); - EdgeHashIterator *ehi; - for (ehi = BLI_edgehashIterator_new(eh), i = 0; BLI_edgehashIterator_isDone(ehi) == false; - BLI_edgehashIterator_step(ehi), ++i, ++med) { - MEdge *med_orig; - if (update && (med_orig = BLI_edgehashIterator_getValue(ehi))) { - *med = *med_orig; /* copy from the original */ - } - else { - BLI_edgehashIterator_getKey(ehi, &med->v1, &med->v2); - med->flag = ed_flag; - } - - /* store the new edge index in the hash value */ - BLI_edgehashIterator_setValue(ehi, POINTER_FROM_INT(i)); - } - BLI_edgehashIterator_free(ehi); - - if (mesh->totpoly) { - /* second pass, iterate through all loops again and assign - * the newly created edges to them. */ - for (mp = mesh->mpoly, i = 0; i < mesh->totpoly; mp++, i++) { - MLoop *l = &mesh->mloop[mp->loopstart]; - MLoop *l_prev = (l + (mp->totloop - 1)); - int j; - for (j = 0; j < mp->totloop; j++, l++) { - /* Lookup hashed edge index, if it's valid. */ - int med_index; - if (l_prev->v != l->v) { - med_index = POINTER_AS_INT(BLI_edgehash_lookup(eh, l_prev->v, l->v)); - } - else { - /* This is an invalid edge; normally this does not happen in Blender, but it can be part - * of an imported mesh with invalid geometry. See T76514. */ - med_index = 0; - } - l_prev->e = med_index; - l_prev = l; - } - } - } - - /* free old CustomData and assign new one */ - CustomData_free(&mesh->edata, mesh->totedge); - mesh->edata = edata; - mesh->totedge = totedge; - - mesh->medge = CustomData_get_layer(&mesh->edata, CD_MEDGE); - - BLI_edgehash_free(eh, NULL); -} - void BKE_mesh_calc_edges_loose(Mesh *mesh) { MEdge *med = mesh->medge; |