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|
/*
* 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 "MEM_guardedalloc.h"
#include "BLI_bitmap.h"
#include "BLI_linklist.h"
#include "BLI_math.h"
#include "BLT_translation.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "BKE_context.h"
#include "BKE_deform.h"
#include "BKE_lib_id.h"
#include "BKE_mesh.h"
#include "BKE_screen.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "RNA_access.h"
#include "MOD_modifiertypes.h"
#include "MOD_ui_common.h"
#include "MOD_util.h"
#include "bmesh.h"
#define CLNORS_VALID_VEC_LEN (1e-6f)
typedef struct ModePair {
float val; /* Contains mode based value (face area / corner angle). */
int index; /* Index value per poly or per loop. */
} ModePair;
/* Sorting function used in modifier, sorts in decreasing order. */
static int modepair_cmp_by_val_inverse(const void *p1, const void *p2)
{
ModePair *r1 = (ModePair *)p1;
ModePair *r2 = (ModePair *)p2;
return (r1->val < r2->val) ? 1 : ((r1->val > r2->val) ? -1 : 0);
}
/* There will be one of those per vertex
* (simple case, computing one normal per vertex), or per smooth fan. */
typedef struct WeightedNormalDataAggregateItem {
float normal[3];
int num_loops; /* Count number of loops using this item so far. */
float curr_val; /* Current max val for this item. */
int curr_strength; /* Current max strength encountered for this item. */
} WeightedNormalDataAggregateItem;
#define NUM_CACHED_INVERSE_POWERS_OF_WEIGHT 128
typedef struct WeightedNormalData {
const int numVerts;
const int numEdges;
const int numLoops;
const int numPolys;
MVert *mvert;
MEdge *medge;
MLoop *mloop;
short (*clnors)[2];
const bool has_clnors; /* True if clnors already existed, false if we had to create them. */
const float split_angle;
MPoly *mpoly;
float (*polynors)[3];
int *poly_strength;
MDeformVert *dvert;
const int defgrp_index;
const bool use_invert_vgroup;
const float weight;
const short mode;
/* Lower-level, internal processing data. */
float cached_inverse_powers_of_weight[NUM_CACHED_INVERSE_POWERS_OF_WEIGHT];
WeightedNormalDataAggregateItem *items_data;
ModePair *mode_pair;
int *loop_to_poly;
} WeightedNormalData;
/**
* Check strength of given poly compared to those found so far for that given item
* (vertex or smooth fan), and reset matching item_data in case we get a stronger new strength.
*/
static bool check_item_poly_strength(WeightedNormalData *wn_data,
WeightedNormalDataAggregateItem *item_data,
const int mp_index)
{
BLI_assert(wn_data->poly_strength != NULL);
const int mp_strength = wn_data->poly_strength[mp_index];
if (mp_strength > item_data->curr_strength) {
item_data->curr_strength = mp_strength;
item_data->curr_val = 0.0f;
item_data->num_loops = 0;
zero_v3(item_data->normal);
}
return mp_strength == item_data->curr_strength;
}
static void aggregate_item_normal(WeightedNormalModifierData *wnmd,
WeightedNormalData *wn_data,
WeightedNormalDataAggregateItem *item_data,
const int mv_index,
const int mp_index,
const float curr_val,
const bool use_face_influence)
{
float(*polynors)[3] = wn_data->polynors;
MDeformVert *dvert = wn_data->dvert;
const int defgrp_index = wn_data->defgrp_index;
const bool use_invert_vgroup = wn_data->use_invert_vgroup;
const float weight = wn_data->weight;
float *cached_inverse_powers_of_weight = wn_data->cached_inverse_powers_of_weight;
const bool has_vgroup = dvert != NULL;
const bool vert_of_group = has_vgroup &&
BKE_defvert_find_index(&dvert[mv_index], defgrp_index) != NULL;
if (has_vgroup &&
((vert_of_group && use_invert_vgroup) || (!vert_of_group && !use_invert_vgroup))) {
return;
}
if (use_face_influence && !check_item_poly_strength(wn_data, item_data, mp_index)) {
return;
}
/* If item's curr_val is 0 init it to present value. */
if (item_data->curr_val == 0.0f) {
item_data->curr_val = curr_val;
}
if (!compare_ff(item_data->curr_val, curr_val, wnmd->thresh)) {
/* item's curr_val and present value differ more than threshold, update. */
item_data->num_loops++;
item_data->curr_val = curr_val;
}
/* Exponentially divided weight for each normal
* (since a few values will be used by most cases, we cache those). */
const int num_loops = item_data->num_loops;
if (num_loops < NUM_CACHED_INVERSE_POWERS_OF_WEIGHT &&
cached_inverse_powers_of_weight[num_loops] == 0.0f) {
cached_inverse_powers_of_weight[num_loops] = 1.0f / powf(weight, num_loops);
}
const float inverted_n_weight = num_loops < NUM_CACHED_INVERSE_POWERS_OF_WEIGHT ?
cached_inverse_powers_of_weight[num_loops] :
1.0f / powf(weight, num_loops);
madd_v3_v3fl(item_data->normal, polynors[mp_index], curr_val * inverted_n_weight);
}
static void apply_weights_vertex_normal(WeightedNormalModifierData *wnmd,
WeightedNormalData *wn_data)
{
const int numVerts = wn_data->numVerts;
const int numEdges = wn_data->numEdges;
const int numLoops = wn_data->numLoops;
const int numPolys = wn_data->numPolys;
MVert *mvert = wn_data->mvert;
MEdge *medge = wn_data->medge;
MLoop *mloop = wn_data->mloop;
short(*clnors)[2] = wn_data->clnors;
int *loop_to_poly = wn_data->loop_to_poly;
MPoly *mpoly = wn_data->mpoly;
float(*polynors)[3] = wn_data->polynors;
int *poly_strength = wn_data->poly_strength;
MDeformVert *dvert = wn_data->dvert;
const short mode = wn_data->mode;
ModePair *mode_pair = wn_data->mode_pair;
const bool has_clnors = wn_data->has_clnors;
const float split_angle = wn_data->split_angle;
MLoopNorSpaceArray lnors_spacearr = {NULL};
const bool keep_sharp = (wnmd->flag & MOD_WEIGHTEDNORMAL_KEEP_SHARP) != 0;
const bool use_face_influence = (wnmd->flag & MOD_WEIGHTEDNORMAL_FACE_INFLUENCE) != 0 &&
poly_strength != NULL;
const bool has_vgroup = dvert != NULL;
float(*loop_normals)[3] = NULL;
WeightedNormalDataAggregateItem *items_data = NULL;
int num_items = 0;
if (keep_sharp) {
BLI_bitmap *done_loops = BLI_BITMAP_NEW(numLoops, __func__);
/* This will give us loop normal spaces,
* we do not actually care about computed loop_normals for now... */
loop_normals = MEM_calloc_arrayN((size_t)numLoops, sizeof(*loop_normals), __func__);
BKE_mesh_normals_loop_split(mvert,
numVerts,
medge,
numEdges,
mloop,
loop_normals,
numLoops,
mpoly,
polynors,
numPolys,
true,
split_angle,
&lnors_spacearr,
has_clnors ? clnors : NULL,
loop_to_poly);
num_items = lnors_spacearr.num_spaces;
items_data = MEM_calloc_arrayN((size_t)num_items, sizeof(*items_data), __func__);
/* In this first loop, we assign each WeightedNormalDataAggregateItem
* to its smooth fan of loops (aka lnor space). */
MPoly *mp;
int mp_index;
int item_index;
for (mp = mpoly, mp_index = 0, item_index = 0; mp_index < numPolys; mp++, mp_index++) {
int ml_index = mp->loopstart;
const int ml_end_index = ml_index + mp->totloop;
for (; ml_index < ml_end_index; ml_index++) {
if (BLI_BITMAP_TEST(done_loops, ml_index)) {
/* Smooth fan of this loop has already been processed, skip it. */
continue;
}
BLI_assert(item_index < num_items);
WeightedNormalDataAggregateItem *itdt = &items_data[item_index];
itdt->curr_strength = FACE_STRENGTH_WEAK;
MLoopNorSpace *lnor_space = lnors_spacearr.lspacearr[ml_index];
lnor_space->user_data = itdt;
if (!(lnor_space->flags & MLNOR_SPACE_IS_SINGLE)) {
for (LinkNode *lnode = lnor_space->loops; lnode; lnode = lnode->next) {
const int ml_fan_index = POINTER_AS_INT(lnode->link);
BLI_BITMAP_ENABLE(done_loops, ml_fan_index);
}
}
else {
BLI_BITMAP_ENABLE(done_loops, ml_index);
}
item_index++;
}
}
MEM_freeN(done_loops);
}
else {
num_items = numVerts;
items_data = MEM_calloc_arrayN((size_t)num_items, sizeof(*items_data), __func__);
if (use_face_influence) {
for (int item_index = 0; item_index < num_items; item_index++) {
items_data[item_index].curr_strength = FACE_STRENGTH_WEAK;
}
}
}
wn_data->items_data = items_data;
switch (mode) {
case MOD_WEIGHTEDNORMAL_MODE_FACE:
for (int i = 0; i < numPolys; i++) {
const int mp_index = mode_pair[i].index;
const float mp_val = mode_pair[i].val;
int ml_index = mpoly[mp_index].loopstart;
const int ml_index_end = ml_index + mpoly[mp_index].totloop;
for (; ml_index < ml_index_end; ml_index++) {
const int mv_index = mloop[ml_index].v;
WeightedNormalDataAggregateItem *item_data =
keep_sharp ? lnors_spacearr.lspacearr[ml_index]->user_data : &items_data[mv_index];
aggregate_item_normal(
wnmd, wn_data, item_data, mv_index, mp_index, mp_val, use_face_influence);
}
}
break;
case MOD_WEIGHTEDNORMAL_MODE_ANGLE:
case MOD_WEIGHTEDNORMAL_MODE_FACE_ANGLE:
BLI_assert(loop_to_poly != NULL);
for (int i = 0; i < numLoops; i++) {
const int ml_index = mode_pair[i].index;
const float ml_val = mode_pair[i].val;
const int mp_index = loop_to_poly[ml_index];
const int mv_index = mloop[ml_index].v;
WeightedNormalDataAggregateItem *item_data =
keep_sharp ? lnors_spacearr.lspacearr[ml_index]->user_data : &items_data[mv_index];
aggregate_item_normal(
wnmd, wn_data, item_data, mv_index, mp_index, ml_val, use_face_influence);
}
break;
default:
BLI_assert(0);
}
/* Validate computed weighted normals. */
for (int item_index = 0; item_index < num_items; item_index++) {
if (normalize_v3(items_data[item_index].normal) < CLNORS_VALID_VEC_LEN) {
zero_v3(items_data[item_index].normal);
}
}
if (keep_sharp) {
/* Set loop normals for normal computed for each lnor space (smooth fan).
* Note that loop_normals is already populated with clnors
* (before this modifier is applied, at start of this function),
* so no need to recompute them here. */
for (int ml_index = 0; ml_index < numLoops; ml_index++) {
WeightedNormalDataAggregateItem *item_data = lnors_spacearr.lspacearr[ml_index]->user_data;
if (!is_zero_v3(item_data->normal)) {
copy_v3_v3(loop_normals[ml_index], item_data->normal);
}
}
BKE_mesh_normals_loop_custom_set(mvert,
numVerts,
medge,
numEdges,
mloop,
loop_normals,
numLoops,
mpoly,
polynors,
numPolys,
clnors);
}
else {
/* TODO: Ideally, we could add an option to BKE_mesh_normals_loop_custom_[from_vertices_]set()
* to keep current clnors instead of resetting them to default auto-computed ones,
* when given new custom normal is zero-vec.
* But this is not exactly trivial change, better to keep this optimization for later...
*/
if (!has_vgroup) {
/* Note: in theory, we could avoid this extra allocation & copying...
* But think we can live with it for now,
* and it makes code simpler & cleaner. */
float(*vert_normals)[3] = MEM_calloc_arrayN(
(size_t)numVerts, sizeof(*loop_normals), __func__);
for (int ml_index = 0; ml_index < numLoops; ml_index++) {
const int mv_index = mloop[ml_index].v;
copy_v3_v3(vert_normals[mv_index], items_data[mv_index].normal);
}
BKE_mesh_normals_loop_custom_from_vertices_set(mvert,
vert_normals,
numVerts,
medge,
numEdges,
mloop,
numLoops,
mpoly,
polynors,
numPolys,
clnors);
MEM_freeN(vert_normals);
}
else {
loop_normals = MEM_calloc_arrayN((size_t)numLoops, sizeof(*loop_normals), __func__);
BKE_mesh_normals_loop_split(mvert,
numVerts,
medge,
numEdges,
mloop,
loop_normals,
numLoops,
mpoly,
polynors,
numPolys,
true,
split_angle,
NULL,
has_clnors ? clnors : NULL,
loop_to_poly);
for (int ml_index = 0; ml_index < numLoops; ml_index++) {
const int item_index = mloop[ml_index].v;
if (!is_zero_v3(items_data[item_index].normal)) {
copy_v3_v3(loop_normals[ml_index], items_data[item_index].normal);
}
}
BKE_mesh_normals_loop_custom_set(mvert,
numVerts,
medge,
numEdges,
mloop,
loop_normals,
numLoops,
mpoly,
polynors,
numPolys,
clnors);
}
}
if (keep_sharp) {
BKE_lnor_spacearr_free(&lnors_spacearr);
}
MEM_SAFE_FREE(loop_normals);
}
static void wn_face_area(WeightedNormalModifierData *wnmd, WeightedNormalData *wn_data)
{
const int numPolys = wn_data->numPolys;
MVert *mvert = wn_data->mvert;
MLoop *mloop = wn_data->mloop;
MPoly *mpoly = wn_data->mpoly;
MPoly *mp;
int mp_index;
ModePair *face_area = MEM_malloc_arrayN((size_t)numPolys, sizeof(*face_area), __func__);
ModePair *f_area = face_area;
for (mp_index = 0, mp = mpoly; mp_index < numPolys; mp_index++, mp++, f_area++) {
f_area->val = BKE_mesh_calc_poly_area(mp, &mloop[mp->loopstart], mvert);
f_area->index = mp_index;
}
qsort(face_area, numPolys, sizeof(*face_area), modepair_cmp_by_val_inverse);
wn_data->mode_pair = face_area;
apply_weights_vertex_normal(wnmd, wn_data);
}
static void wn_corner_angle(WeightedNormalModifierData *wnmd, WeightedNormalData *wn_data)
{
const int numLoops = wn_data->numLoops;
const int numPolys = wn_data->numPolys;
MVert *mvert = wn_data->mvert;
MLoop *mloop = wn_data->mloop;
MPoly *mpoly = wn_data->mpoly;
MPoly *mp;
int mp_index;
int *loop_to_poly = MEM_malloc_arrayN((size_t)numLoops, sizeof(*loop_to_poly), __func__);
ModePair *corner_angle = MEM_malloc_arrayN((size_t)numLoops, sizeof(*corner_angle), __func__);
for (mp_index = 0, mp = mpoly; mp_index < numPolys; mp_index++, mp++) {
MLoop *ml_start = &mloop[mp->loopstart];
float *index_angle = MEM_malloc_arrayN((size_t)mp->totloop, sizeof(*index_angle), __func__);
BKE_mesh_calc_poly_angles(mp, ml_start, mvert, index_angle);
ModePair *c_angl = &corner_angle[mp->loopstart];
float *angl = index_angle;
for (int ml_index = mp->loopstart; ml_index < mp->loopstart + mp->totloop;
ml_index++, c_angl++, angl++) {
c_angl->val = (float)M_PI - *angl;
c_angl->index = ml_index;
loop_to_poly[ml_index] = mp_index;
}
MEM_freeN(index_angle);
}
qsort(corner_angle, numLoops, sizeof(*corner_angle), modepair_cmp_by_val_inverse);
wn_data->loop_to_poly = loop_to_poly;
wn_data->mode_pair = corner_angle;
apply_weights_vertex_normal(wnmd, wn_data);
}
static void wn_face_with_angle(WeightedNormalModifierData *wnmd, WeightedNormalData *wn_data)
{
const int numLoops = wn_data->numLoops;
const int numPolys = wn_data->numPolys;
MVert *mvert = wn_data->mvert;
MLoop *mloop = wn_data->mloop;
MPoly *mpoly = wn_data->mpoly;
MPoly *mp;
int mp_index;
int *loop_to_poly = MEM_malloc_arrayN((size_t)numLoops, sizeof(*loop_to_poly), __func__);
ModePair *combined = MEM_malloc_arrayN((size_t)numLoops, sizeof(*combined), __func__);
for (mp_index = 0, mp = mpoly; mp_index < numPolys; mp_index++, mp++) {
MLoop *ml_start = &mloop[mp->loopstart];
float face_area = BKE_mesh_calc_poly_area(mp, ml_start, mvert);
float *index_angle = MEM_malloc_arrayN((size_t)mp->totloop, sizeof(*index_angle), __func__);
BKE_mesh_calc_poly_angles(mp, ml_start, mvert, index_angle);
ModePair *cmbnd = &combined[mp->loopstart];
float *angl = index_angle;
for (int ml_index = mp->loopstart; ml_index < mp->loopstart + mp->totloop;
ml_index++, cmbnd++, angl++) {
/* In this case val is product of corner angle and face area. */
cmbnd->val = ((float)M_PI - *angl) * face_area;
cmbnd->index = ml_index;
loop_to_poly[ml_index] = mp_index;
}
MEM_freeN(index_angle);
}
qsort(combined, numLoops, sizeof(*combined), modepair_cmp_by_val_inverse);
wn_data->loop_to_poly = loop_to_poly;
wn_data->mode_pair = combined;
apply_weights_vertex_normal(wnmd, wn_data);
}
static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh)
{
WeightedNormalModifierData *wnmd = (WeightedNormalModifierData *)md;
Object *ob = ctx->object;
/* XXX TODO(Rohan Rathi):
* Once we fully switch to Mesh evaluation of modifiers,
* we can expect to get that flag from the COW copy.
* But for now, it is lost in the DM intermediate step,
* so we need to directly check orig object's data. */
#if 0
if (!(mesh->flag & ME_AUTOSMOOTH))
#else
if (!(((Mesh *)ob->data)->flag & ME_AUTOSMOOTH))
#endif
{
BKE_modifier_set_error((ModifierData *)wnmd, "Enable 'Auto Smooth' in Object Data Properties");
return mesh;
}
Mesh *result;
BKE_id_copy_ex(NULL, &mesh->id, (ID **)&result, LIB_ID_COPY_LOCALIZE);
const int numVerts = result->totvert;
const int numEdges = result->totedge;
const int numLoops = result->totloop;
const int numPolys = result->totpoly;
MEdge *medge = result->medge;
MPoly *mpoly = result->mpoly;
MVert *mvert = result->mvert;
MLoop *mloop = result->mloop;
/* Right now:
* If weight = 50 then all faces are given equal weight.
* If weight > 50 then more weight given to faces with larger vals (face area / corner angle).
* If weight < 50 then more weight given to faces with lesser vals. However current calculation
* does not converge to min/max.
*/
float weight = ((float)wnmd->weight) / 50.0f;
if (wnmd->weight == 100) {
weight = (float)SHRT_MAX;
}
else if (wnmd->weight == 1) {
weight = 1 / (float)SHRT_MAX;
}
else if ((weight - 1) * 25 > 1) {
weight = (weight - 1) * 25;
}
CustomData *pdata = &result->pdata;
float(*polynors)[3] = CustomData_get_layer(pdata, CD_NORMAL);
if (!polynors) {
polynors = CustomData_add_layer(pdata, CD_NORMAL, CD_CALLOC, NULL, numPolys);
CustomData_set_layer_flag(pdata, CD_NORMAL, CD_FLAG_TEMPORARY);
}
BKE_mesh_calc_normals_poly(
mvert, NULL, numVerts, mloop, mpoly, numLoops, numPolys, polynors, false);
const float split_angle = mesh->smoothresh;
short(*clnors)[2];
CustomData *ldata = &result->ldata;
clnors = CustomData_get_layer(ldata, CD_CUSTOMLOOPNORMAL);
/* Keep info whether we had clnors,
* it helps when generating clnor spaces and default normals. */
const bool has_clnors = clnors != NULL;
if (!clnors) {
clnors = CustomData_add_layer(ldata, CD_CUSTOMLOOPNORMAL, CD_CALLOC, NULL, numLoops);
}
MDeformVert *dvert;
int defgrp_index;
MOD_get_vgroup(ctx->object, mesh, wnmd->defgrp_name, &dvert, &defgrp_index);
WeightedNormalData wn_data = {
.numVerts = numVerts,
.numEdges = numEdges,
.numLoops = numLoops,
.numPolys = numPolys,
.mvert = mvert,
.medge = medge,
.mloop = mloop,
.clnors = clnors,
.has_clnors = has_clnors,
.split_angle = split_angle,
.mpoly = mpoly,
.polynors = polynors,
.poly_strength = CustomData_get_layer_named(
&result->pdata, CD_PROP_INT32, MOD_WEIGHTEDNORMALS_FACEWEIGHT_CDLAYER_ID),
.dvert = dvert,
.defgrp_index = defgrp_index,
.use_invert_vgroup = (wnmd->flag & MOD_WEIGHTEDNORMAL_INVERT_VGROUP) != 0,
.weight = weight,
.mode = wnmd->mode,
};
switch (wnmd->mode) {
case MOD_WEIGHTEDNORMAL_MODE_FACE:
wn_face_area(wnmd, &wn_data);
break;
case MOD_WEIGHTEDNORMAL_MODE_ANGLE:
wn_corner_angle(wnmd, &wn_data);
break;
case MOD_WEIGHTEDNORMAL_MODE_FACE_ANGLE:
wn_face_with_angle(wnmd, &wn_data);
break;
}
MEM_SAFE_FREE(wn_data.loop_to_poly);
MEM_SAFE_FREE(wn_data.mode_pair);
MEM_SAFE_FREE(wn_data.items_data);
/* Currently Modifier stack assumes there is no poly normal data passed around... */
CustomData_free_layers(pdata, CD_NORMAL, numPolys);
result->runtime.is_original = false;
return result;
}
static void initData(ModifierData *md)
{
WeightedNormalModifierData *wnmd = (WeightedNormalModifierData *)md;
wnmd->mode = MOD_WEIGHTEDNORMAL_MODE_FACE;
wnmd->weight = 50;
wnmd->thresh = 1e-2f;
wnmd->flag = 0;
}
static void requiredDataMask(Object *UNUSED(ob),
ModifierData *md,
CustomData_MeshMasks *r_cddata_masks)
{
WeightedNormalModifierData *wnmd = (WeightedNormalModifierData *)md;
r_cddata_masks->lmask = CD_MASK_CUSTOMLOOPNORMAL;
if (wnmd->defgrp_name[0] != '\0') {
r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT;
}
if (wnmd->flag & MOD_WEIGHTEDNORMAL_FACE_INFLUENCE) {
r_cddata_masks->pmask |= CD_MASK_PROP_INT32;
}
}
static bool dependsOnNormals(ModifierData *UNUSED(md))
{
return true;
}
static void panel_draw(const bContext *UNUSED(C), Panel *panel)
{
uiLayout *col;
uiLayout *layout = panel->layout;
PointerRNA ob_ptr;
PointerRNA *ptr = modifier_panel_get_property_pointers(panel, &ob_ptr);
uiLayoutSetPropSep(layout, true);
uiItemR(layout, ptr, "mode", 0, NULL, ICON_NONE);
uiItemR(layout, ptr, "weight", 0, IFACE_("Weight"), ICON_NONE);
uiItemR(layout, ptr, "thresh", 0, IFACE_("Threshold"), ICON_NONE);
col = uiLayoutColumn(layout, false);
uiItemR(col, ptr, "keep_sharp", 0, NULL, ICON_NONE);
uiItemR(col, ptr, "use_face_influence", 0, NULL, ICON_NONE);
modifier_vgroup_ui(layout, ptr, &ob_ptr, "vertex_group", "invert_vertex_group", NULL);
modifier_panel_end(layout, ptr);
}
static void panelRegister(ARegionType *region_type)
{
modifier_panel_register(region_type, eModifierType_WeightedNormal, panel_draw);
}
ModifierTypeInfo modifierType_WeightedNormal = {
/* name */ "WeightedNormal",
/* structName */ "WeightedNormalModifierData",
/* structSize */ sizeof(WeightedNormalModifierData),
/* srna */ &RNA_WeightedNormalModifier,
/* type */ eModifierTypeType_Constructive,
/* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode,
/* icon */ ICON_MOD_VERTEX_WEIGHT,
/* copyData */ BKE_modifier_copydata_generic,
/* deformVerts */ NULL,
/* deformMatrices */ NULL,
/* deformVertsEM */ NULL,
/* deformMatricesEM */ NULL,
/* modifyMesh */ modifyMesh,
/* modifyHair */ NULL,
/* modifyPointCloud */ NULL,
/* modifyVolume */ NULL,
/* initData */ initData,
/* requiredDataMask */ requiredDataMask,
/* freeData */ NULL,
/* isDisabled */ NULL,
/* updateDepsgraph */ NULL,
/* dependsOnTime */ NULL,
/* dependsOnNormals */ dependsOnNormals,
/* foreachObjectLink */ NULL,
/* foreachIDLink */ NULL,
/* foreachTexLink */ NULL,
/* freeRuntimeData */ NULL,
/* panelRegister */ panelRegister,
/* blendWrite */ NULL,
/* blendRead */ NULL,
};
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