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/*
* ***** 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.
*
* Contributor(s): Antony Riakiotakis
*
* ***** END GPL LICENSE BLOCK *****
*
*/
/** \file blender/modifiers/intern/MOD_triangulate.c
* \ingroup modifiers
*/
#include "DNA_object_types.h"
#include "BLI_utildefines.h"
#include "BKE_cdderivedmesh.h"
#include "BKE_modifier.h"
#include "bmesh.h"
#include "bmesh_tools.h"
static DerivedMesh *triangulate_dm(DerivedMesh *dm, const int quad_method, const int ngon_method)
{
DerivedMesh *result;
BMesh *bm;
int total_edges, i;
MEdge *me;
bm = DM_to_bmesh(dm, true);
BM_mesh_triangulate(bm, quad_method, ngon_method, false, NULL, NULL, NULL);
result = CDDM_from_bmesh(bm, false);
BM_mesh_free(bm);
total_edges = result->getNumEdges(result);
me = CDDM_get_edges(result);
/* 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->dirty |= DM_DIRTY_NORMALS;
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 void copyData(ModifierData *md, ModifierData *target)
{
#if 0
TriangulateModifierData *smd = (TriangulateModifierData *) md;
TriangulateModifierData *tsmd = (TriangulateModifierData *) target;
#endif
modifier_copyData_generic(md, target);
}
static DerivedMesh *applyModifier(ModifierData *md,
Object *UNUSED(ob),
DerivedMesh *dm,
ModifierApplyFlag UNUSED(flag))
{
TriangulateModifierData *tmd = (TriangulateModifierData *)md;
DerivedMesh *result;
if (!(result = triangulate_dm(dm, tmd->quad_method, tmd->ngon_method))) {
return dm;
}
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 */ copyData,
/* deformVerts */ NULL,
/* deformMatrices */ NULL,
/* deformVertsEM */ NULL,
/* deformMatricesEM */ NULL,
/* applyModifier */ applyModifier,
/* applyModifierEM */ NULL,
/* initData */ initData,
/* requiredDataMask */ NULL, //requiredDataMask,
/* freeData */ NULL,
/* isDisabled */ NULL,
/* updateDepsgraph */ NULL,
/* dependsOnTime */ NULL,
/* dependsOnNormals */ NULL,
/* foreachObjectLink */ NULL,
/* foreachIDLink */ NULL,
};
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