Campbell Barton
d5263c37fa
Based on patch originally by Thomas Beck, uses options similar to solidify.
141 lines
3.9 KiB
C
141 lines
3.9 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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* ***** END GPL LICENSE BLOCK *****
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*
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*/
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/** \file blender/modifiers/intern/MOD_wireframe.c
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* \ingroup modifiers
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*/
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#include "MEM_guardedalloc.h"
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#include "DNA_object_types.h"
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#include "DNA_meshdata_types.h"
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#include "BLI_math.h"
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#include "BLI_utildefines.h"
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#include "BLI_string.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_deform.h"
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#include "MOD_modifiertypes.h"
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#include "MOD_util.h"
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#include "bmesh.h"
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#include "tools/bmesh_wireframe.h"
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static void initData(ModifierData *md)
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{
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WireframeModifierData *wmd = (WireframeModifierData *)md;
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wmd->offset = 0.02f;
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wmd->flag = MOD_WIREFRAME_REPLACE | MOD_MESHCACHE_OFS_EVEN;
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wmd->crease_weight = 1.0f;
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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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WireframeModifierData *wmd = (WireframeModifierData *)md;
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WireframeModifierData *twmd = (WireframeModifierData *)target;
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#endif
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modifier_copyData_generic(md, target);
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}
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static bool isDisabled(ModifierData *UNUSED(md), int UNUSED(useRenderParams))
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{
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return 0;
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}
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static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md)
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{
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WireframeModifierData *wmd = (WireframeModifierData *)md;
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CustomDataMask dataMask = 0;
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/* ask for vertexgroups if we need them */
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if (wmd->defgrp_name[0]) dataMask |= CD_MASK_MDEFORMVERT;
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return dataMask;
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}
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static DerivedMesh* WireframeModifier_do( WireframeModifierData *wmd, Object *ob, DerivedMesh *dm)
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{
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DerivedMesh *result;
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BMesh *bm;
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const int defgrp_index = defgroup_name_index(ob, wmd->defgrp_name);;
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bm = DM_to_bmesh(dm, true);
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BM_mesh_wireframe(
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bm,
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wmd->offset, wmd->offset_fac, wmd->offset_fac_vg,
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(wmd->flag & MOD_WIREFRAME_REPLACE) != 0,
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(wmd->flag & MOD_WIREFRAME_BOUNDARY) != 0,
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(wmd->flag & MOD_MESHCACHE_OFS_EVEN) != 0,
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(wmd->flag & MOD_MESHCACHE_OFS_RELATIVE) != 0,
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(wmd->flag & MOD_MESHCACHE_CREASE) != 0,
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wmd->crease_weight,
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defgrp_index,
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(wmd->flag & MOD_WIREFRAME_INVERT_VGROUP) != 0,
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wmd->mat_ofs,
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MAX2(ob->totcol - 1, 0),
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false);
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result = CDDM_from_bmesh(bm, true);
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BM_mesh_free(bm);
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return result;
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}
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static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *dm, ModifierApplyFlag UNUSED(flag))
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{
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return WireframeModifier_do((WireframeModifierData *)md, ob, dm);
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}
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ModifierTypeInfo modifierType_Wireframe = {
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/* name */ "Wireframe",
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/* structName */ "WireframeModifierData",
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/* structSize */ sizeof(WireframeModifierData),
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/* type */ eModifierTypeType_Constructive,
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/* flags */ eModifierTypeFlag_AcceptsMesh |
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eModifierTypeFlag_SupportsEditmode,
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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 */ requiredDataMask,
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/* freeData */ NULL,
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/* isDisabled */ isDisabled,
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/* updateDepgraph */ 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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/* foreachTexLink */ NULL,
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};
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