diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_weighted_normal.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_weighted_normal.c | 671 |
1 files changed, 671 insertions, 0 deletions
diff --git a/source/blender/modifiers/intern/MOD_weighted_normal.c b/source/blender/modifiers/intern/MOD_weighted_normal.c new file mode 100644 index 00000000000..78a994a7107 --- /dev/null +++ b/source/blender/modifiers/intern/MOD_weighted_normal.c @@ -0,0 +1,671 @@ +/* + * ***** 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. + * + * ***** END GPL LICENSE BLOCK ***** + * + */ + +/** \file blender/modifiers/intern/MOD_weighted_normal.c + * \ingroup modifiers + */ + +#include "MEM_guardedalloc.h" + +#include "DNA_mesh_types.h" +#include "DNA_object_types.h" +#include "DNA_scene_types.h" + +#include "BKE_cdderivedmesh.h" +#include "BKE_deform.h" +#include "BKE_library.h" +#include "BKE_library_query.h" +#include "BKE_mesh.h" + +#include "BLI_math.h" +#include "BLI_linklist.h" + +#include "MOD_modifiertypes.h" +#include "MOD_util.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 && 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 autocomputed 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 *applyModifier(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh) +{ + WeightedNormalModifierData *wnmd = (WeightedNormalModifierData *)md; + Object *ob = ctx->object; + + /* XXX TODO ARG GRRR XYQWNMPRXTYY + * 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 + modifier_setError((ModifierData *)wnmd, "Enable 'Auto Smooth' option in mesh settings"); + return mesh; + } + + Mesh *result; + BKE_id_copy_ex( + NULL, &mesh->id, (ID **)&result, + LIB_ID_CREATE_NO_MAIN | + LIB_ID_CREATE_NO_USER_REFCOUNT | + LIB_ID_CREATE_NO_DEG_TAG | + LIB_ID_COPY_NO_PREVIEW, + false); + + 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); + } + 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); + clnors = CustomData_get_layer(ldata, CD_CUSTOMLOOPNORMAL); + } + + 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_INT, + 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); + + 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 CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md) +{ + WeightedNormalModifierData *wnmd = (WeightedNormalModifierData *)md; + CustomDataMask dataMask = CD_CUSTOMLOOPNORMAL; + + if (wnmd->defgrp_name[0]) { + dataMask |= CD_MASK_MDEFORMVERT; + } + + if (wnmd->flag & MOD_WEIGHTEDNORMAL_FACE_INFLUENCE) { + dataMask |= CD_MASK_PROP_INT; + } + + return dataMask; +} + +static bool dependsOnNormals(ModifierData *UNUSED(md)) +{ + return true; +} + +ModifierTypeInfo modifierType_WeightedNormal = { + /* name */ "Weighted Normal", + /* structName */ "WeightedNormalModifierData", + /* structSize */ sizeof(WeightedNormalModifierData), + /* type */ eModifierTypeType_Constructive, + /* flags */ eModifierTypeFlag_AcceptsMesh | + eModifierTypeFlag_SupportsMapping | + eModifierTypeFlag_SupportsEditmode | + eModifierTypeFlag_EnableInEditmode, + + /* copyData */ modifier_copyData_generic, + + /* deformVerts_DM */ NULL, + /* deformMatrices_DM */ NULL, + /* deformVertsEM_DM */ NULL, + /* deformMatricesEM_DM*/NULL, + /* applyModifier_DM */ NULL, + /* applyModifierEM_DM */NULL, + + /* deformVerts */ NULL, + /* deformMatrices */ NULL, + /* deformVertsEM */ NULL, + /* deformMatricesEM */ NULL, + /* applyModifier */ applyModifier, + /* applyModifierEM */ NULL, + + /* initData */ initData, + /* requiredDataMask */ requiredDataMask, + /* freeData */ NULL, + /* isDisabled */ NULL, + /* updateDepsgraph */ NULL, + /* dependsOnTime */ NULL, + /* dependsOnNormals */ dependsOnNormals, + /* foreachObjectLink */ NULL, + /* foreachIDLink */ NULL, + /* foreachTexLink */ NULL, +}; |