diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_normal_edit.cc')
-rw-r--r-- | source/blender/modifiers/intern/MOD_normal_edit.cc | 796 |
1 files changed, 796 insertions, 0 deletions
diff --git a/source/blender/modifiers/intern/MOD_normal_edit.cc b/source/blender/modifiers/intern/MOD_normal_edit.cc new file mode 100644 index 00000000000..91d8688ce2d --- /dev/null +++ b/source/blender/modifiers/intern/MOD_normal_edit.cc @@ -0,0 +1,796 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +/** \file + * \ingroup modifiers + */ + +#include <string.h> + +#include "MEM_guardedalloc.h" + +#include "BLI_utildefines.h" + +#include "BLI_bitmap.h" +#include "BLI_math.h" + +#include "BLT_translation.h" + +#include "DNA_defaults.h" +#include "DNA_mesh_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_object_types.h" +#include "DNA_screen_types.h" + +#include "BKE_context.h" +#include "BKE_deform.h" +#include "BKE_lib_id.h" +#include "BKE_lib_query.h" +#include "BKE_mesh.h" +#include "BKE_screen.h" + +#include "UI_interface.h" +#include "UI_resources.h" + +#include "RNA_access.h" +#include "RNA_prototypes.h" + +#include "DEG_depsgraph_query.h" + +#include "MOD_ui_common.h" +#include "MOD_util.h" + +static void generate_vert_coordinates(Mesh *mesh, + Object *ob, + Object *ob_center, + const float offset[3], + const int verts_num, + float (*r_cos)[3], + float r_size[3]) +{ + float min_co[3], max_co[3]; + float diff[3]; + bool do_diff = false; + + INIT_MINMAX(min_co, max_co); + + const MVert *mv = BKE_mesh_verts(mesh); + for (int i = 0; i < mesh->totvert; i++, mv++) { + copy_v3_v3(r_cos[i], mv->co); + if (r_size != nullptr && ob_center == nullptr) { + minmax_v3v3_v3(min_co, max_co, r_cos[i]); + } + } + + /* Get size (i.e. deformation of the spheroid generating normals), + * either from target object, or own geometry. */ + if (r_size != nullptr) { + if (ob_center != nullptr) { + /* Using 'scale' as 'size' here. The input object is typically an empty + * who's scale is used to define an ellipsoid instead of a simple sphere. */ + + /* Not we are not interested in signs here - they are even troublesome actually, + * due to security clamping! */ + abs_v3_v3(r_size, ob_center->scale); + } + else { + /* Set size. */ + sub_v3_v3v3(r_size, max_co, min_co); + } + + /* Error checks - we do not want one or more of our sizes to be null! */ + if (is_zero_v3(r_size)) { + r_size[0] = r_size[1] = r_size[2] = 1.0f; + } + else { + CLAMP_MIN(r_size[0], FLT_EPSILON); + CLAMP_MIN(r_size[1], FLT_EPSILON); + CLAMP_MIN(r_size[2], FLT_EPSILON); + } + } + + if (ob_center != nullptr) { + float inv_obmat[4][4]; + + /* Translate our coordinates so that center of ob_center is at (0, 0, 0). */ + /* Get ob_center (world) coordinates in ob local coordinates. + * No need to take into account ob_center's space here, see T44027. */ + invert_m4_m4(inv_obmat, ob->obmat); + mul_v3_m4v3(diff, inv_obmat, ob_center->obmat[3]); + negate_v3(diff); + + do_diff = true; + } + else if (offset != nullptr && !is_zero_v3(offset)) { + negate_v3_v3(diff, offset); + + do_diff = true; + } + /* Else, no need to change coordinates! */ + + if (do_diff) { + int i = verts_num; + while (i--) { + add_v3_v3(r_cos[i], diff); + } + } +} + +/* Note this modifies nos_new in-place. */ +static void mix_normals(const float mix_factor, + const MDeformVert *dvert, + const int defgrp_index, + const bool use_invert_vgroup, + const float mix_limit, + const short mix_mode, + const int verts_num, + const MLoop *mloop, + float (*nos_old)[3], + float (*nos_new)[3], + const int loops_num) +{ + /* Mix with org normals... */ + float *facs = nullptr, *wfac; + float(*no_new)[3], (*no_old)[3]; + int i; + + if (dvert) { + facs = static_cast<float *>(MEM_malloc_arrayN((size_t)loops_num, sizeof(*facs), __func__)); + BKE_defvert_extract_vgroup_to_loopweights( + dvert, defgrp_index, verts_num, mloop, loops_num, use_invert_vgroup, facs); + } + + for (i = loops_num, no_new = nos_new, no_old = nos_old, wfac = facs; i--; + no_new++, no_old++, wfac++) { + const float fac = facs ? *wfac * mix_factor : mix_factor; + + switch (mix_mode) { + case MOD_NORMALEDIT_MIX_ADD: + add_v3_v3(*no_new, *no_old); + normalize_v3(*no_new); + break; + case MOD_NORMALEDIT_MIX_SUB: + sub_v3_v3(*no_new, *no_old); + normalize_v3(*no_new); + break; + case MOD_NORMALEDIT_MIX_MUL: + mul_v3_v3(*no_new, *no_old); + normalize_v3(*no_new); + break; + case MOD_NORMALEDIT_MIX_COPY: + break; + } + + interp_v3_v3v3_slerp_safe( + *no_new, + *no_old, + *no_new, + (mix_limit < (float)M_PI) ? min_ff(fac, mix_limit / angle_v3v3(*no_new, *no_old)) : fac); + } + + MEM_SAFE_FREE(facs); +} + +/* Check poly normals and new loop normals are compatible, otherwise flip polygons + * (and invert matching poly normals). */ +static bool polygons_check_flip(MLoop *mloop, + float (*nos)[3], + CustomData *ldata, + const MPoly *mpoly, + float (*polynors)[3], + const int polys_num) +{ + const MPoly *mp; + MDisps *mdisp = static_cast<MDisps *>(CustomData_get_layer(ldata, CD_MDISPS)); + int i; + bool flipped = false; + + for (i = 0, mp = mpoly; i < polys_num; i++, mp++) { + float norsum[3] = {0.0f}; + float(*no)[3]; + int j; + + for (j = 0, no = &nos[mp->loopstart]; j < mp->totloop; j++, no++) { + add_v3_v3(norsum, *no); + } + + if (!normalize_v3(norsum)) { + continue; + } + + /* If average of new loop normals is opposed to polygon normal, flip polygon. */ + if (dot_v3v3(polynors[i], norsum) < 0.0f) { + BKE_mesh_polygon_flip_ex(mp, mloop, ldata, nos, mdisp, true); + negate_v3(polynors[i]); + flipped = true; + } + } + + return flipped; +} + +static void normalEditModifier_do_radial(NormalEditModifierData *enmd, + const ModifierEvalContext *UNUSED(ctx), + Object *ob, + Mesh *mesh, + short (*clnors)[2], + float (*loopnors)[3], + const float (*polynors)[3], + const short mix_mode, + const float mix_factor, + const float mix_limit, + const MDeformVert *dvert, + const int defgrp_index, + const bool use_invert_vgroup, + const MVert *mvert, + const int verts_num, + MEdge *medge, + const int edges_num, + MLoop *mloop, + const int loops_num, + const MPoly *mpoly, + const int polys_num) +{ + Object *ob_target = enmd->target; + + const bool do_polynors_fix = (enmd->flag & MOD_NORMALEDIT_NO_POLYNORS_FIX) == 0; + int i; + + float(*cos)[3] = static_cast<float(*)[3]>( + MEM_malloc_arrayN((size_t)verts_num, sizeof(*cos), __func__)); + float(*nos)[3] = static_cast<float(*)[3]>( + MEM_malloc_arrayN((size_t)loops_num, sizeof(*nos), __func__)); + float size[3]; + + BLI_bitmap *done_verts = BLI_BITMAP_NEW((size_t)verts_num, __func__); + + generate_vert_coordinates(mesh, ob, ob_target, enmd->offset, verts_num, cos, size); + + /** + * size gives us our spheroid coefficients `(A, B, C)`. + * Then, we want to find out for each vert its (a, b, c) triple (proportional to (A, B, C) one). + * + * Ellipsoid basic equation: `(x^2/a^2) + (y^2/b^2) + (z^2/c^2) = 1`. + * Since we want to find (a, b, c) matching this equation and proportional to (A, B, C), + * we can do: + * <pre> + * m = B / A + * n = C / A + * </pre> + * + * hence: + * <pre> + * (x^2/a^2) + (y^2/b^2) + (z^2/c^2) = 1 + * -> b^2*c^2*x^2 + a^2*c^2*y^2 + a^2*b^2*z^2 = a^2*b^2*c^2 + * b = ma + * c = na + * -> m^2*a^2*n^2*a^2*x^2 + a^2*n^2*a^2*y^2 + a^2*m^2*a^2*z^2 = a^2*m^2*a^2*n^2*a^2 + * -> m^2*n^2*a^4*x^2 + n^2*a^4*y^2 + m^2*a^4*z^2 = m^2*n^2*a^6 + * -> a^2 = (m^2*n^2*x^2 + n^2y^2 + m^2z^2) / (m^2*n^2) = x^2 + (y^2 / m^2) + (z^2 / n^2) + * -> b^2 = (m^2*n^2*x^2 + n^2y^2 + m^2z^2) / (n^2) = (m^2 * x^2) + y^2 + (m^2 * z^2 / n^2) + * -> c^2 = (m^2*n^2*x^2 + n^2y^2 + m^2z^2) / (m^2) = (n^2 * x^2) + (n^2 * y^2 / m^2) + z^2 + * </pre> + * + * All we have to do now is compute normal of the spheroid at that point: + * <pre> + * n = (x / a^2, y / b^2, z / c^2) + * </pre> + * And we are done! + */ + { + const float a = size[0], b = size[1], c = size[2]; + const float m2 = (b * b) / (a * a); + const float n2 = (c * c) / (a * a); + + const MLoop *ml; + float(*no)[3]; + + /* We reuse cos to now store the ellipsoid-normal of the verts! */ + for (i = loops_num, ml = mloop, no = nos; i--; ml++, no++) { + const int vidx = ml->v; + float *co = cos[vidx]; + + if (!BLI_BITMAP_TEST(done_verts, vidx)) { + const float x2 = co[0] * co[0]; + const float y2 = co[1] * co[1]; + const float z2 = co[2] * co[2]; + const float a2 = x2 + (y2 / m2) + (z2 / n2); + const float b2 = (m2 * x2) + y2 + (m2 * z2 / n2); + const float c2 = (n2 * x2) + (n2 * y2 / m2) + z2; + + co[0] /= a2; + co[1] /= b2; + co[2] /= c2; + normalize_v3(co); + + BLI_BITMAP_ENABLE(done_verts, vidx); + } + copy_v3_v3(*no, co); + } + } + + if (loopnors) { + mix_normals(mix_factor, + dvert, + defgrp_index, + use_invert_vgroup, + mix_limit, + mix_mode, + verts_num, + mloop, + loopnors, + nos, + loops_num); + } + + if (do_polynors_fix && + polygons_check_flip( + mloop, nos, &mesh->ldata, mpoly, BKE_mesh_poly_normals_for_write(mesh), polys_num)) { + /* We need to recompute vertex normals! */ + BKE_mesh_normals_tag_dirty(mesh); + } + + BKE_mesh_normals_loop_custom_set(mvert, + BKE_mesh_vertex_normals_ensure(mesh), + verts_num, + medge, + edges_num, + mloop, + nos, + loops_num, + mpoly, + polynors, + polys_num, + clnors); + + MEM_freeN(cos); + MEM_freeN(nos); + MEM_freeN(done_verts); +} + +static void normalEditModifier_do_directional(NormalEditModifierData *enmd, + const ModifierEvalContext *UNUSED(ctx), + Object *ob, + Mesh *mesh, + short (*clnors)[2], + float (*loopnors)[3], + const float (*polynors)[3], + const short mix_mode, + const float mix_factor, + const float mix_limit, + const MDeformVert *dvert, + const int defgrp_index, + const bool use_invert_vgroup, + const MVert *mvert, + const int verts_num, + MEdge *medge, + const int edges_num, + MLoop *mloop, + const int loops_num, + const MPoly *mpoly, + const int polys_num) +{ + Object *ob_target = enmd->target; + + const bool do_polynors_fix = (enmd->flag & MOD_NORMALEDIT_NO_POLYNORS_FIX) == 0; + const bool use_parallel_normals = (enmd->flag & MOD_NORMALEDIT_USE_DIRECTION_PARALLEL) != 0; + + float(*nos)[3] = static_cast<float(*)[3]>( + MEM_malloc_arrayN((size_t)loops_num, sizeof(*nos), __func__)); + + float target_co[3]; + int i; + + /* Get target's center coordinates in ob local coordinates. */ + float mat[4][4]; + + invert_m4_m4(mat, ob->obmat); + mul_m4_m4m4(mat, mat, ob_target->obmat); + copy_v3_v3(target_co, mat[3]); + + if (use_parallel_normals) { + float no[3]; + + sub_v3_v3v3(no, target_co, enmd->offset); + normalize_v3(no); + + for (i = loops_num; i--;) { + copy_v3_v3(nos[i], no); + } + } + else { + float(*cos)[3] = static_cast<float(*)[3]>( + MEM_malloc_arrayN((size_t)verts_num, sizeof(*cos), __func__)); + generate_vert_coordinates(mesh, ob, ob_target, nullptr, verts_num, cos, nullptr); + + BLI_bitmap *done_verts = BLI_BITMAP_NEW((size_t)verts_num, __func__); + const MLoop *ml; + float(*no)[3]; + + /* We reuse cos to now store the 'to target' normal of the verts! */ + for (i = loops_num, no = nos, ml = mloop; i--; no++, ml++) { + const int vidx = ml->v; + float *co = cos[vidx]; + + if (!BLI_BITMAP_TEST(done_verts, vidx)) { + sub_v3_v3v3(co, target_co, co); + normalize_v3(co); + + BLI_BITMAP_ENABLE(done_verts, vidx); + } + + copy_v3_v3(*no, co); + } + + MEM_freeN(done_verts); + MEM_freeN(cos); + } + + if (loopnors) { + mix_normals(mix_factor, + dvert, + defgrp_index, + use_invert_vgroup, + mix_limit, + mix_mode, + verts_num, + mloop, + loopnors, + nos, + loops_num); + } + + if (do_polynors_fix && + polygons_check_flip( + mloop, nos, &mesh->ldata, mpoly, BKE_mesh_poly_normals_for_write(mesh), polys_num)) { + BKE_mesh_normals_tag_dirty(mesh); + } + + BKE_mesh_normals_loop_custom_set(mvert, + BKE_mesh_vertex_normals_ensure(mesh), + verts_num, + medge, + edges_num, + mloop, + nos, + loops_num, + mpoly, + polynors, + polys_num, + clnors); + + MEM_freeN(nos); +} + +static bool is_valid_target(NormalEditModifierData *enmd) +{ + if (enmd->mode == MOD_NORMALEDIT_MODE_RADIAL) { + return true; + } + if ((enmd->mode == MOD_NORMALEDIT_MODE_DIRECTIONAL) && enmd->target) { + return true; + } + return false; +} + +static bool is_valid_target_with_error(const Object *ob, NormalEditModifierData *enmd) +{ + if (is_valid_target(enmd)) { + return true; + } + BKE_modifier_set_error(ob, (ModifierData *)enmd, "Invalid target settings"); + return false; +} + +static Mesh *normalEditModifier_do(NormalEditModifierData *enmd, + const ModifierEvalContext *ctx, + Object *ob, + Mesh *mesh) +{ + const bool use_invert_vgroup = ((enmd->flag & MOD_NORMALEDIT_INVERT_VGROUP) != 0); + const bool use_current_clnors = !((enmd->mix_mode == MOD_NORMALEDIT_MIX_COPY) && + (enmd->mix_factor == 1.0f) && (enmd->defgrp_name[0] == '\0') && + (enmd->mix_limit == (float)M_PI)); + + /* Do not run that modifier at all if autosmooth is disabled! */ + if (!is_valid_target_with_error(ctx->object, enmd) || mesh->totloop == 0) { + return mesh; + } + + /* 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( + ob, (ModifierData *)enmd, "Enable 'Auto Smooth' in Object Data Properties"); + return mesh; + } + + Mesh *result; + if (BKE_mesh_edges(mesh) == BKE_mesh_edges((Mesh *)ob->data)) { + /* We need to duplicate data here, otherwise setting custom normals + * (which may also affect sharp edges) could + * modify original mesh, see T43671. */ + result = (Mesh *)BKE_id_copy_ex(nullptr, &mesh->id, nullptr, LIB_ID_COPY_LOCALIZE); + } + else { + result = mesh; + } + + const int verts_num = result->totvert; + const int edges_num = result->totedge; + const int loops_num = result->totloop; + const int polys_num = result->totpoly; + const MVert *verts = BKE_mesh_verts(result); + MEdge *edges = BKE_mesh_edges_for_write(result); + const MPoly *polys = BKE_mesh_polys(result); + MLoop *loops = BKE_mesh_loops_for_write(result); + + int defgrp_index; + const MDeformVert *dvert; + + float(*loopnors)[3] = nullptr; + + CustomData *ldata = &result->ldata; + + const float(*vert_normals)[3] = BKE_mesh_vertex_normals_ensure(result); + const float(*poly_normals)[3] = BKE_mesh_poly_normals_ensure(result); + + short(*clnors)[2] = static_cast<short(*)[2]>(CustomData_get_layer(ldata, CD_CUSTOMLOOPNORMAL)); + if (use_current_clnors) { + clnors = static_cast<short(*)[2]>( + CustomData_duplicate_referenced_layer(ldata, CD_CUSTOMLOOPNORMAL, loops_num)); + loopnors = static_cast<float(*)[3]>( + MEM_malloc_arrayN((size_t)loops_num, sizeof(*loopnors), __func__)); + + BKE_mesh_normals_loop_split(verts, + vert_normals, + verts_num, + edges, + edges_num, + loops, + loopnors, + loops_num, + polys, + poly_normals, + polys_num, + true, + result->smoothresh, + nullptr, + clnors, + nullptr); + } + + if (clnors == nullptr) { + clnors = static_cast<short(*)[2]>( + CustomData_add_layer(ldata, CD_CUSTOMLOOPNORMAL, CD_SET_DEFAULT, nullptr, loops_num)); + } + + MOD_get_vgroup(ob, result, enmd->defgrp_name, &dvert, &defgrp_index); + + if (enmd->mode == MOD_NORMALEDIT_MODE_RADIAL) { + normalEditModifier_do_radial(enmd, + ctx, + ob, + result, + clnors, + loopnors, + poly_normals, + enmd->mix_mode, + enmd->mix_factor, + enmd->mix_limit, + dvert, + defgrp_index, + use_invert_vgroup, + verts, + verts_num, + edges, + edges_num, + loops, + loops_num, + polys, + polys_num); + } + else if (enmd->mode == MOD_NORMALEDIT_MODE_DIRECTIONAL) { + normalEditModifier_do_directional(enmd, + ctx, + ob, + result, + clnors, + loopnors, + poly_normals, + enmd->mix_mode, + enmd->mix_factor, + enmd->mix_limit, + dvert, + defgrp_index, + use_invert_vgroup, + verts, + verts_num, + edges, + edges_num, + loops, + loops_num, + polys, + polys_num); + } + + MEM_SAFE_FREE(loopnors); + + result->runtime.is_original_bmesh = false; + + return result; +} + +static void initData(ModifierData *md) +{ + NormalEditModifierData *enmd = (NormalEditModifierData *)md; + + BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(enmd, modifier)); + + MEMCPY_STRUCT_AFTER(enmd, DNA_struct_default_get(NormalEditModifierData), modifier); +} + +static void requiredDataMask(ModifierData *md, CustomData_MeshMasks *r_cddata_masks) +{ + NormalEditModifierData *enmd = (NormalEditModifierData *)md; + + r_cddata_masks->lmask |= CD_MASK_CUSTOMLOOPNORMAL; + + /* Ask for vertexgroups if we need them. */ + if (enmd->defgrp_name[0] != '\0') { + r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT; + } +} + +static bool dependsOnNormals(ModifierData *UNUSED(md)) +{ + return true; +} + +static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData) +{ + NormalEditModifierData *enmd = (NormalEditModifierData *)md; + + walk(userData, ob, (ID **)&enmd->target, IDWALK_CB_NOP); +} + +static bool isDisabled(const struct Scene *UNUSED(scene), + ModifierData *md, + bool UNUSED(useRenderParams)) +{ + NormalEditModifierData *enmd = (NormalEditModifierData *)md; + + return !is_valid_target(enmd); +} + +static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx) +{ + NormalEditModifierData *enmd = (NormalEditModifierData *)md; + if (enmd->target) { + DEG_add_object_relation(ctx->node, enmd->target, DEG_OB_COMP_TRANSFORM, "NormalEdit Modifier"); + DEG_add_depends_on_transform_relation(ctx->node, "NormalEdit Modifier"); + } +} + +static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh) +{ + return normalEditModifier_do((NormalEditModifierData *)md, ctx, ctx->object, mesh); +} + +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); + + int mode = RNA_enum_get(ptr, "mode"); + + uiItemR(layout, ptr, "mode", UI_ITEM_R_EXPAND, nullptr, ICON_NONE); + + uiLayoutSetPropSep(layout, true); + + uiItemR(layout, ptr, "target", 0, nullptr, ICON_NONE); + + col = uiLayoutColumn(layout, false); + uiLayoutSetActive(col, mode == MOD_NORMALEDIT_MODE_DIRECTIONAL); + uiItemR(col, ptr, "use_direction_parallel", 0, nullptr, ICON_NONE); + + modifier_panel_end(layout, ptr); +} + +/* This panel could be open by default, but it isn't currently. */ +static void mix_mode_panel_draw(const bContext *UNUSED(C), Panel *panel) +{ + uiLayout *row; + uiLayout *layout = panel->layout; + + PointerRNA ob_ptr; + PointerRNA *ptr = modifier_panel_get_property_pointers(panel, &ob_ptr); + + uiLayoutSetPropSep(layout, true); + + uiItemR(layout, ptr, "mix_mode", 0, nullptr, ICON_NONE); + uiItemR(layout, ptr, "mix_factor", 0, nullptr, ICON_NONE); + + modifier_vgroup_ui(layout, ptr, &ob_ptr, "vertex_group", "invert_vertex_group", nullptr); + + row = uiLayoutRow(layout, true); + uiItemR(row, ptr, "mix_limit", 0, nullptr, ICON_NONE); + uiItemR(row, + ptr, + "no_polynors_fix", + 0, + "", + (RNA_boolean_get(ptr, "no_polynors_fix") ? ICON_LOCKED : ICON_UNLOCKED)); +} + +static void offset_panel_draw(const bContext *UNUSED(C), Panel *panel) +{ + uiLayout *layout = panel->layout; + + PointerRNA *ptr = modifier_panel_get_property_pointers(panel, nullptr); + + int mode = RNA_enum_get(ptr, "mode"); + PointerRNA target_ptr = RNA_pointer_get(ptr, "target"); + bool needs_object_offset = (mode == MOD_NORMALEDIT_MODE_RADIAL && + RNA_pointer_is_null(&target_ptr)) || + (mode == MOD_NORMALEDIT_MODE_DIRECTIONAL && + RNA_boolean_get(ptr, "use_direction_parallel")); + + uiLayoutSetPropSep(layout, true); + + uiLayoutSetActive(layout, needs_object_offset); + uiItemR(layout, ptr, "offset", 0, nullptr, ICON_NONE); +} + +static void panelRegister(ARegionType *region_type) +{ + PanelType *panel_type = modifier_panel_register( + region_type, eModifierType_NormalEdit, panel_draw); + modifier_subpanel_register(region_type, "mix", "Mix", nullptr, mix_mode_panel_draw, panel_type); + modifier_subpanel_register( + region_type, "offset", "Offset", nullptr, offset_panel_draw, panel_type); +} + +ModifierTypeInfo modifierType_NormalEdit = { + /* name */ N_("NormalEdit"), + /* structName */ "NormalEditModifierData", + /* structSize */ sizeof(NormalEditModifierData), + /* srna */ &RNA_NormalEditModifier, + /* type */ eModifierTypeType_Constructive, + /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping | + eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode, + /* icon */ ICON_MOD_NORMALEDIT, + + /* copyData */ BKE_modifier_copydata_generic, + + /* deformVerts */ nullptr, + /* deformMatrices */ nullptr, + /* deformVertsEM */ nullptr, + /* deformMatricesEM */ nullptr, + /* modifyMesh */ modifyMesh, + /* modifyGeometrySet */ nullptr, + + /* initData */ initData, + /* requiredDataMask */ requiredDataMask, + /* freeData */ nullptr, + /* isDisabled */ isDisabled, + /* updateDepsgraph */ updateDepsgraph, + /* dependsOnTime */ nullptr, + /* dependsOnNormals */ dependsOnNormals, + /* foreachIDLink */ foreachIDLink, + /* foreachTexLink */ nullptr, + /* freeRuntimeData */ nullptr, + /* panelRegister */ panelRegister, + /* blendWrite */ nullptr, + /* blendRead */ nullptr, +}; |