1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* ***** 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
}
|
