128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Antony Riakiotakis
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*
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* ***** END GPL LICENSE BLOCK *****
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*
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*/
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/** \file blender/modifiers/intern/MOD_triangulate.c
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* \ingroup modifiers
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*/
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#include "DNA_object_types.h"
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#include "BLI_utildefines.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_modifier.h"
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#include "bmesh.h"
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#include "bmesh_tools.h"
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static DerivedMesh *triangulate_dm(DerivedMesh *dm, const int quad_method, const int ngon_method)
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{
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DerivedMesh *result;
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BMesh *bm;
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int total_edges, i;
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MEdge *me;
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bm = DM_to_bmesh(dm, true);
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BM_mesh_triangulate(bm, quad_method, ngon_method, false, NULL, NULL, NULL);
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result = CDDM_from_bmesh(bm, false);
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BM_mesh_free(bm);
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total_edges = result->getNumEdges(result);
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me = CDDM_get_edges(result);
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/* force drawing of all edges (seems to be omitted in CDDM_from_bmesh) */
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for (i = 0; i < total_edges; i++, me++)
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me->flag |= ME_EDGEDRAW | ME_EDGERENDER;
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result->dirty |= DM_DIRTY_NORMALS;
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return result;
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}
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static void initData(ModifierData *md)
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{
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TriangulateModifierData *tmd = (TriangulateModifierData *)md;
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/* Enable in editmode by default */
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md->mode |= eModifierMode_Editmode;
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tmd->quad_method = MOD_TRIANGULATE_QUAD_SHORTEDGE;
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tmd->ngon_method = MOD_TRIANGULATE_NGON_BEAUTY;
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}
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static void copyData(ModifierData *md, ModifierData *target)
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{
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#if 0
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TriangulateModifierData *smd = (TriangulateModifierData *) md;
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TriangulateModifierData *tsmd = (TriangulateModifierData *) target;
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#endif
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modifier_copyData_generic(md, target);
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}
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static DerivedMesh *applyModifier(ModifierData *md,
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Object *UNUSED(ob),
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DerivedMesh *dm,
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ModifierApplyFlag UNUSED(flag))
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{
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TriangulateModifierData *tmd = (TriangulateModifierData *)md;
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DerivedMesh *result;
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if (!(result = triangulate_dm(dm, tmd->quad_method, tmd->ngon_method))) {
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return dm;
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}
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return result;
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}
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ModifierTypeInfo modifierType_Triangulate = {
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/* name */ "Triangulate",
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/* structName */ "TriangulateModifierData",
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/* structSize */ sizeof(TriangulateModifierData),
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/* type */ eModifierTypeType_Constructive,
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/* flags */ eModifierTypeFlag_AcceptsMesh |
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eModifierTypeFlag_SupportsEditmode |
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eModifierTypeFlag_SupportsMapping |
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eModifierTypeFlag_EnableInEditmode |
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eModifierTypeFlag_AcceptsCVs,
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/* copyData */ copyData,
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/* deformVerts */ NULL,
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/* deformMatrices */ NULL,
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/* deformVertsEM */ NULL,
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/* deformMatricesEM */ NULL,
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/* applyModifier */ applyModifier,
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/* applyModifierEM */ NULL,
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/* initData */ initData,
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/* requiredDataMask */ NULL, //requiredDataMask,
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/* freeData */ NULL,
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/* isDisabled */ NULL,
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/* updateDepgraph */ NULL,
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/* updateDepsgraph */ NULL,
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/* dependsOnTime */ NULL,
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/* dependsOnNormals */ NULL,
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/* foreachObjectLink */ NULL,
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/* foreachIDLink */ NULL,
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};
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