136 lines
3.9 KiB
C
136 lines
3.9 KiB
C
/*
|
|
* 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
|
|
* \ingroup modifiers
|
|
*/
|
|
|
|
#include "BLI_utildefines.h"
|
|
|
|
#include "DNA_mesh_types.h"
|
|
#include "DNA_object_types.h"
|
|
|
|
#include "BKE_deform.h"
|
|
#include "BKE_mesh.h"
|
|
|
|
#include "MOD_modifiertypes.h"
|
|
|
|
#include "bmesh.h"
|
|
#include "tools/bmesh_wireframe.h"
|
|
|
|
static void initData(ModifierData *md)
|
|
{
|
|
WireframeModifierData *wmd = (WireframeModifierData *)md;
|
|
wmd->offset = 0.02f;
|
|
wmd->flag = MOD_WIREFRAME_REPLACE | MOD_WIREFRAME_OFS_EVEN;
|
|
wmd->crease_weight = 1.0f;
|
|
}
|
|
|
|
static void requiredDataMask(Object *UNUSED(ob), ModifierData *md, CustomData_MeshMasks *r_cddata_masks)
|
|
{
|
|
WireframeModifierData *wmd = (WireframeModifierData *)md;
|
|
|
|
/* ask for vertexgroups if we need them */
|
|
if (wmd->defgrp_name[0] != '\0') {
|
|
r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT;
|
|
}
|
|
}
|
|
|
|
static bool dependsOnNormals(ModifierData *UNUSED(md))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static Mesh *WireframeModifier_do(WireframeModifierData *wmd, Object *ob, Mesh *mesh)
|
|
{
|
|
Mesh *result;
|
|
BMesh *bm;
|
|
|
|
const int defgrp_index = defgroup_name_index(ob, wmd->defgrp_name);
|
|
|
|
bm = BKE_mesh_to_bmesh_ex(
|
|
mesh,
|
|
&(struct BMeshCreateParams){0},
|
|
&(struct BMeshFromMeshParams){
|
|
.calc_face_normal = true,
|
|
.add_key_index = false,
|
|
.use_shapekey = false,
|
|
.active_shapekey = 0,
|
|
.cd_mask_extra = {.vmask = CD_MASK_ORIGINDEX, .emask = CD_MASK_ORIGINDEX, .pmask = CD_MASK_ORIGINDEX},
|
|
});
|
|
|
|
BM_mesh_wireframe(
|
|
bm,
|
|
wmd->offset, wmd->offset_fac, wmd->offset_fac_vg,
|
|
(wmd->flag & MOD_WIREFRAME_REPLACE) != 0,
|
|
(wmd->flag & MOD_WIREFRAME_BOUNDARY) != 0,
|
|
(wmd->flag & MOD_WIREFRAME_OFS_EVEN) != 0,
|
|
(wmd->flag & MOD_WIREFRAME_OFS_RELATIVE) != 0,
|
|
(wmd->flag & MOD_WIREFRAME_CREASE) != 0,
|
|
wmd->crease_weight,
|
|
defgrp_index,
|
|
(wmd->flag & MOD_WIREFRAME_INVERT_VGROUP) != 0,
|
|
wmd->mat_ofs,
|
|
MAX2(ob->totcol - 1, 0),
|
|
false);
|
|
|
|
result = BKE_mesh_from_bmesh_for_eval_nomain(bm, NULL);
|
|
BM_mesh_free(bm);
|
|
|
|
result->runtime.cd_dirty_vert |= CD_MASK_NORMAL;
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
static Mesh *applyModifier(
|
|
ModifierData *md,
|
|
const struct ModifierEvalContext *ctx,
|
|
struct Mesh *mesh)
|
|
{
|
|
return WireframeModifier_do((WireframeModifierData *)md, ctx->object, mesh);
|
|
}
|
|
|
|
|
|
ModifierTypeInfo modifierType_Wireframe = {
|
|
/* name */ "Wireframe",
|
|
/* structName */ "WireframeModifierData",
|
|
/* structSize */ sizeof(WireframeModifierData),
|
|
/* type */ eModifierTypeType_Constructive,
|
|
/* flags */ eModifierTypeFlag_AcceptsMesh |
|
|
eModifierTypeFlag_SupportsEditmode,
|
|
|
|
/* copyData */ modifier_copyData_generic,
|
|
|
|
/* deformVerts */ NULL,
|
|
/* deformMatrices */ NULL,
|
|
/* deformVertsEM */ NULL,
|
|
/* deformMatricesEM */ NULL,
|
|
/* applyModifier */ applyModifier,
|
|
|
|
/* initData */ initData,
|
|
/* requiredDataMask */ requiredDataMask,
|
|
/* freeData */ NULL,
|
|
/* isDisabled */ NULL,
|
|
/* updateDepgraph */ NULL,
|
|
/* dependsOnTime */ NULL,
|
|
/* dependsOnNormals */ dependsOnNormals,
|
|
/* foreachObjectLink */ NULL,
|
|
/* foreachIDLink */ NULL,
|
|
/* foreachTexLink */ NULL,
|
|
/* freeRuntimeData */ NULL,
|
|
};
|