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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup bmesh
*
* Fill boundary edge loop(s) with faces.
*/
#include "BLI_utildefines.h"
#include "bmesh.h"
#include "bmesh_tools.h"
#include "intern/bmesh_operators_private.h" /* own include */
void bmo_holes_fill_exec(BMesh *bm, BMOperator *op)
{
BMOperator op_attr;
const uint sides = BMO_slot_int_get(op->slots_in, "sides");
BM_mesh_elem_hflag_disable_all(bm, BM_EDGE | BM_FACE, BM_ELEM_TAG, false);
BMO_slot_buffer_hflag_enable(bm, op->slots_in, "edges", BM_EDGE, BM_ELEM_TAG, false);
BM_mesh_edgenet(bm, true, true); // TODO: sides
/* bad - remove faces after as a workaround */
if (sides != 0) {
BMOIter siter;
BMFace *f;
BMO_slot_buffer_from_enabled_hflag(bm, op, op->slots_out, "faces.out", BM_FACE, BM_ELEM_TAG);
BMO_ITER (f, &siter, op->slots_out, "faces.out", BM_FACE) {
if (f->len > sides) {
BM_face_kill(bm, f);
}
}
}
BMO_slot_buffer_from_enabled_hflag(bm, op, op->slots_out, "faces.out", BM_FACE, BM_ELEM_TAG);
/* --- Attribute Fill --- */
/* may as well since we have the faces already in a buffer */
BMO_op_initf(bm,
&op_attr,
op->flag,
"face_attribute_fill faces=%S use_normals=%b use_data=%b",
op,
"faces.out",
true,
true);
BMO_op_exec(bm, &op_attr);
/* check if some faces couldn't be touched */
if (BMO_slot_buffer_count(op_attr.slots_out, "faces_fail.out")) {
BMOIter siter;
BMFace *f;
BMO_ITER (f, &siter, op_attr.slots_out, "faces_fail.out", BM_FACE) {
BM_face_normal_update(f); /* normals are zero'd */
}
BMO_op_callf(bm, op->flag, "recalc_face_normals faces=%S", &op_attr, "faces_fail.out");
}
BMO_op_finish(bm, &op_attr);
}
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