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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* 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 blender/modifiers/intern/MOD_triangulate.c
* \ingroup modifiers
*/
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "BLI_utildefines.h"
#include "BKE_modifier.h"
#include "BKE_mesh.h"
#include "bmesh.h"
#include "bmesh_tools.h"
#include "MOD_modifiertypes.h"
static Mesh *triangulate_mesh(Mesh *mesh, const int quad_method, const int ngon_method)
{
Mesh *result;
BMesh *bm;
int total_edges, i;
MEdge *me;
bm = BKE_mesh_to_bmesh_ex(
mesh,
&((struct BMeshCreateParams){0}),
&((struct BMeshFromMeshParams){
.calc_face_normal = true,
.cd_mask_extra = CD_MASK_ORIGINDEX,
}));
BM_mesh_triangulate(bm, quad_method, ngon_method, false, NULL, NULL, NULL);
result = BKE_mesh_from_bmesh_for_eval_nomain(bm, 0);
BM_mesh_free(bm);
total_edges = result->totedge;
me = result->medge;
/* force drawing of all edges (seems to be omitted in CDDM_from_bmesh) */
for (i = 0; i < total_edges; i++, me++)
me->flag |= ME_EDGEDRAW | ME_EDGERENDER;
result->runtime.cd_dirty_vert |= CD_MASK_NORMAL;
return result;
}
static void initData(ModifierData *md)
{
TriangulateModifierData *tmd = (TriangulateModifierData *)md;
/* Enable in editmode by default */
md->mode |= eModifierMode_Editmode;
tmd->quad_method = MOD_TRIANGULATE_QUAD_SHORTEDGE;
tmd->ngon_method = MOD_TRIANGULATE_NGON_BEAUTY;
}
static Mesh *applyModifier(
ModifierData *md,
const ModifierEvalContext *UNUSED(ctx),
Mesh *mesh)
{
TriangulateModifierData *tmd = (TriangulateModifierData *)md;
Mesh *result;
if (!(result = triangulate_mesh(mesh, tmd->quad_method, tmd->ngon_method))) {
return mesh;
}
return result;
}
ModifierTypeInfo modifierType_Triangulate = {
/* name */ "Triangulate",
/* structName */ "TriangulateModifierData",
/* structSize */ sizeof(TriangulateModifierData),
/* type */ eModifierTypeType_Constructive,
/* flags */ eModifierTypeFlag_AcceptsMesh |
eModifierTypeFlag_SupportsEditmode |
eModifierTypeFlag_SupportsMapping |
eModifierTypeFlag_EnableInEditmode |
eModifierTypeFlag_AcceptsCVs,
/* copyData */ modifier_copyData_generic,
/* deformVerts_DM */ NULL,
/* deformMatrices_DM */ NULL,
/* deformVertsEM_DM */ NULL,
/* deformMatricesEM_DM*/NULL,
/* applyModifier_DM */ NULL,
/* deformVerts */ NULL,
/* deformMatrices */ NULL,
/* deformVertsEM */ NULL,
/* deformMatricesEM */ NULL,
/* applyModifier */ applyModifier,
/* initData */ initData,
/* requiredDataMask */ NULL, //requiredDataMask,
/* freeData */ NULL,
/* isDisabled */ NULL,
/* updateDepsgraph */ NULL,
/* dependsOnTime */ NULL,
/* dependsOnNormals */ NULL,
/* foreachObjectLink */ NULL,
/* foreachIDLink */ NULL,
};
|