89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
|
/*
|
||
|
|
* ***** BEGIN GPL LICENSE BLOCK *****
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* ***** END GPL LICENSE BLOCK *****
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \file blender/bmesh/operators/bmo_rotate_edge.c
|
||
|
|
* \ingroup bmesh
|
||
|
|
*
|
||
|
|
* Rotate edges topology that share two faces.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "MEM_guardedalloc.h"
|
||
|
|
|
||
|
|
#include "BLI_math.h"
|
||
|
|
|
||
|
|
#include "bmesh.h"
|
||
|
|
|
||
|
|
#include "intern/bmesh_operators_private.h" /* own include */
|
||
|
|
|
||
|
|
void bmo_rotate_edges_exec(BMesh *bm, BMOperator *op)
|
||
|
|
{
|
||
|
|
BMOIter siter;
|
||
|
|
BMEdge *e, *e2;
|
||
|
|
const bool use_ccw = BMO_slot_bool_get(op->slots_in, "use_ccw");
|
||
|
|
const bool is_single = BMO_slot_buffer_count(op->slots_in, "edges") == 1;
|
||
|
|
short check_flag = is_single ?
|
||
|
|
BM_EDGEROT_CHECK_EXISTS :
|
||
|
|
BM_EDGEROT_CHECK_EXISTS | BM_EDGEROT_CHECK_DEGENERATE;
|
||
|
|
|
||
|
|
#define EDGE_OUT 1
|
||
|
|
#define FACE_TAINT 1
|
||
|
|
|
||
|
|
BMO_ITER (e, &siter, op->slots_in, "edges", BM_EDGE) {
|
||
|
|
/**
|
||
|
|
* this ends up being called twice, could add option to not to call check in
|
||
|
|
* #BM_edge_rotate to get some extra speed */
|
||
|
|
if (BM_edge_rotate_check(e)) {
|
||
|
|
BMFace *fa, *fb;
|
||
|
|
if (BM_edge_face_pair(e, &fa, &fb)) {
|
||
|
|
|
||
|
|
/* check we're untouched */
|
||
|
|
if (BMO_face_flag_test(bm, fa, FACE_TAINT) == false &&
|
||
|
|
BMO_face_flag_test(bm, fb, FACE_TAINT) == false)
|
||
|
|
{
|
||
|
|
|
||
|
|
/* don't touch again (faces will be freed so run before rotating the edge) */
|
||
|
|
BMO_face_flag_enable(bm, fa, FACE_TAINT);
|
||
|
|
BMO_face_flag_enable(bm, fb, FACE_TAINT);
|
||
|
|
|
||
|
|
if (!(e2 = BM_edge_rotate(bm, e, use_ccw, check_flag))) {
|
||
|
|
|
||
|
|
BMO_face_flag_disable(bm, fa, FACE_TAINT);
|
||
|
|
BMO_face_flag_disable(bm, fb, FACE_TAINT);
|
||
|
|
#if 0
|
||
|
|
BMO_error_raise(bm, op, BMERR_INVALID_SELECTION, "Could not rotate edge");
|
||
|
|
return;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
BMO_edge_flag_enable(bm, e2, EDGE_OUT);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "edges.out", BM_EDGE, EDGE_OUT);
|
||
|
|
|
||
|
|
#undef EDGE_OUT
|
||
|
|
#undef FACE_TAINT
|
||
|
|
|
||
|
|
}
|