diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_triangulate.c')
-rw-r--r-- | source/blender/modifiers/intern/MOD_triangulate.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/source/blender/modifiers/intern/MOD_triangulate.c b/source/blender/modifiers/intern/MOD_triangulate.c new file mode 100644 index 00000000000..a9ec30067bf --- /dev/null +++ b/source/blender/modifiers/intern/MOD_triangulate.c @@ -0,0 +1,147 @@ +/* + * ***** 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 <string.h> + +#include "MEM_guardedalloc.h" + +#include "DNA_mesh_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_object_types.h" +#include "DNA_modifier_types.h" + +#include "BLI_utildefines.h" +#include "BLI_string.h" +#include "BLI_array.h" + +#include "BKE_cdderivedmesh.h" +#include "BKE_deform.h" +#include "BKE_DerivedMesh.h" +#include "BKE_mesh.h" +#include "BKE_modifier.h" +#include "BKE_tessmesh.h" + +#include "MOD_util.h" + +/* triangulation modifier, directly calls the bmesh operator */ + +static DerivedMesh *triangulate(DerivedMesh *dm, char use_beauty) +{ + DerivedMesh *result; + BMesh *bm; + + bm = DM_to_bmesh(dm); + + BMO_push(bm, NULL); + BMO_op_callf(bm, BMO_FLAG_DEFAULTS, + "triangulate faces=%af use_beauty=%b", use_beauty); + + BMO_pop(bm); + + result = CDDM_from_bmesh(bm, FALSE); + BM_mesh_free(bm); + + CDDM_calc_edges(result); + CDDM_calc_normals(result); + + return result; +} + + +static void initData(ModifierData *md) +{ + TriangulateModifierData *tmd = (TriangulateModifierData *)md; + + /* Enable in editmode by default */ + md->mode |= eModifierMode_Editmode; + tmd->beauty = TRUE; +} + + +static void copyData(ModifierData *md, ModifierData *target) +{ + TriangulateModifierData *smd = (TriangulateModifierData *) md; + TriangulateModifierData *tsmd = (TriangulateModifierData *) target; + + *tsmd = *smd; +} + +static DerivedMesh *applyModifierEM(ModifierData *md, + Object *UNUSED(ob), + struct BMEditMesh *UNUSED(em), + DerivedMesh *dm) +{ + TriangulateModifierData *tmd = (TriangulateModifierData *)md; + DerivedMesh *result; + if (!(result = triangulate(dm, tmd->beauty))) { + return dm; + } + + return result; +} + +static DerivedMesh *applyModifier(ModifierData *md, + Object *UNUSED(ob), + DerivedMesh *dm, + ModifierApplyFlag UNUSED(flag)) +{ + TriangulateModifierData *tmd = (TriangulateModifierData *)md; + DerivedMesh *result; + if(!(result = triangulate(dm, tmd->beauty))) { + 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 */ applyModifierEM, + /* initData */ initData, + /* requiredDataMask */ NULL, //requiredDataMask, + /* freeData */ NULL, + /* isDisabled */ NULL, + /* updateDepgraph */ NULL, + /* dependsOnTime */ NULL, + /* dependsOnNormals */ NULL, + /* foreachObjectLink */ NULL, + /* foreachIDLink */ NULL, +}; |