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test/source/blender/blenkernel/intern/crazyspace.cc
Hans Goudey 7966cd16d6 Mesh: Replace MPoly struct with offset indices 
Implements #95967.

Currently the `MPoly` struct is 12 bytes, and stores the index of a
face's first corner and the number of corners/verts/edges. Polygons
and corners are always created in order by Blender, meaning each
face's corners will be after the previous face's corners. We can take
advantage of this fact and eliminate the redundancy in mesh face
storage by only storing a single integer corner offset for each face.
The size of the face is then encoded by the offset of the next face.
The size of a single integer is 4 bytes, so this reduces memory
usage by 3 times.

The same method is used for `CurvesGeometry`, so Blender already has
an abstraction to simplify using these offsets called `OffsetIndices`.
This class is used to easily retrieve a range of corner indices for
each face. This also gives the opportunity for sharing some logic with
curves.

Another benefit of the change is that the offsets and sizes stored in
`MPoly` can no longer disagree with each other. Storing faces in the
order of their corners can simplify some code too.

Face/polygon variables now use the `IndexRange` type, which comes with
quite a few utilities that can simplify code.

Some:
- The offset integer array has to be one longer than the face count to
  avoid a branch for every face, which means the data is no longer part
  of the mesh's `CustomData`.
- We lose the ability to "reference" an original mesh's offset array
  until more reusable CoW from #104478 is committed. That will be added
  in a separate commit.
- Since they aren't part of `CustomData`, poly offsets often have to be
  copied manually.
- To simplify using `OffsetIndices` in many places, some functions and
  structs in headers were moved to only compile in C++.
- All meshes created by Blender use the same order for faces and face
  corners, but just in case, meshes with mismatched order are fixed by
  versioning code.
- `MeshPolygon.totloop` is no longer editable in RNA. This API break is
  necessary here unfortunately. It should be worth it in 3.6, since
  that's the best way to allow loading meshes from 4.0, which is
  important for an LTS version.

Pull Request: https://projects.blender.org/blender/blender/pulls/105938
2023-04-04 20:39:28 +02:00

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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2005 Blender Foundation */
/** \file
* \ingroup bke
*/
#include "MEM_guardedalloc.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BLI_bitmap.h"
#include "BLI_linklist.h"
#include "BLI_utildefines.h"
#include "BKE_DerivedMesh.h"
#include "BKE_crazyspace.h"
#include "BKE_crazyspace.hh"
#include "BKE_curves.hh"
#include "BKE_editmesh.h"
#include "BKE_geometry_set.hh"
#include "BKE_lib_id.h"
#include "BKE_mesh.hh"
#include "BKE_mesh_wrapper.h"
#include "BKE_modifier.h"
#include "BKE_multires.h"
#include "BKE_report.h"
#include "DEG_depsgraph_query.h"
BLI_INLINE void tan_calc_quat_v3(float r_quat[4],
const float co_1[3],
const float co_2[3],
const float co_3[3])
{
float vec_u[3], vec_v[3];
float nor[3];
sub_v3_v3v3(vec_u, co_1, co_2);
sub_v3_v3v3(vec_v, co_1, co_3);
cross_v3_v3v3(nor, vec_u, vec_v);
if (normalize_v3(nor) > FLT_EPSILON) {
const float zero_vec[3] = {0.0f};
tri_to_quat_ex(r_quat, zero_vec, vec_u, vec_v, nor);
}
else {
unit_qt(r_quat);
}
}
static void set_crazy_vertex_quat(float r_quat[4],
const float co_1[3],
const float co_2[3],
const float co_3[3],
const float vd_1[3],
const float vd_2[3],
const float vd_3[3])
{
float q1[4], q2[4];
tan_calc_quat_v3(q1, co_1, co_2, co_3);
tan_calc_quat_v3(q2, vd_1, vd_2, vd_3);
sub_qt_qtqt(r_quat, q2, q1);
}
static bool modifiers_disable_subsurf_temporary(Object *ob, const int cageIndex)
{
bool changed = false;
ModifierData *md = static_cast<ModifierData *>(ob->modifiers.first);
for (int i = 0; md && i <= cageIndex; i++, md = md->next) {
if (md->type == eModifierType_Subsurf) {
md->mode ^= eModifierMode_DisableTemporary;
changed = true;
}
}
return changed;
}
float (*BKE_crazyspace_get_mapped_editverts(struct Depsgraph *depsgraph, Object *obedit))[3]
{
Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
Object *obedit_eval = DEG_get_evaluated_object(depsgraph, obedit);
const int cageIndex = BKE_modifiers_get_cage_index(scene_eval, obedit_eval, nullptr, true);
/* Disable subsurf temporal, get mapped cos, and enable it. */
if (modifiers_disable_subsurf_temporary(obedit_eval, cageIndex)) {
/* Need to make new cage.
* TODO: Avoid losing original evaluated geometry. */
makeDerivedMesh(depsgraph, scene_eval, obedit_eval, &CD_MASK_BAREMESH);
}
/* Now get the cage. */
BMEditMesh *em_eval = BKE_editmesh_from_object(obedit_eval);
Mesh *mesh_eval_cage = editbmesh_get_eval_cage(
depsgraph, scene_eval, obedit_eval, em_eval, &CD_MASK_BAREMESH);
const int nverts = em_eval->bm->totvert;
float(*vertexcos)[3] = static_cast<float(*)[3]>(
MEM_mallocN(sizeof(*vertexcos) * nverts, "vertexcos map"));
mesh_get_mapped_verts_coords(mesh_eval_cage, vertexcos, nverts);
/* Set back the flag, and ensure new cage needs to be built. */
if (modifiers_disable_subsurf_temporary(obedit_eval, cageIndex)) {
DEG_id_tag_update(&obedit->id, ID_RECALC_GEOMETRY);
}
return vertexcos;
}
void BKE_crazyspace_set_quats_editmesh(BMEditMesh *em,
float (*origcos)[3],
float (*mappedcos)[3],
float (*quats)[4],
const bool use_select)
{
BMFace *f;
BMIter iter;
int index;
{
BMVert *v;
BM_ITER_MESH_INDEX (v, &iter, em->bm, BM_VERTS_OF_MESH, index) {
BM_elem_flag_disable(v, BM_ELEM_TAG);
BM_elem_index_set(v, index); /* set_inline */
}
em->bm->elem_index_dirty &= ~BM_VERT;
}
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
if (BM_elem_flag_test(l_iter->v, BM_ELEM_HIDDEN) ||
BM_elem_flag_test(l_iter->v, BM_ELEM_TAG) ||
(use_select && !BM_elem_flag_test(l_iter->v, BM_ELEM_SELECT))) {
continue;
}
if (!BM_elem_flag_test(l_iter->v, BM_ELEM_TAG)) {
const float *co_prev, *co_curr, *co_next; /* orig */
const float *vd_prev, *vd_curr, *vd_next; /* deform */
const int i_prev = BM_elem_index_get(l_iter->prev->v);
const int i_curr = BM_elem_index_get(l_iter->v);
const int i_next = BM_elem_index_get(l_iter->next->v);
/* retrieve mapped coordinates */
vd_prev = mappedcos[i_prev];
vd_curr = mappedcos[i_curr];
vd_next = mappedcos[i_next];
if (origcos) {
co_prev = origcos[i_prev];
co_curr = origcos[i_curr];
co_next = origcos[i_next];
}
else {
co_prev = l_iter->prev->v->co;
co_curr = l_iter->v->co;
co_next = l_iter->next->v->co;
}
set_crazy_vertex_quat(quats[i_curr], co_curr, co_next, co_prev, vd_curr, vd_next, vd_prev);
BM_elem_flag_enable(l_iter->v, BM_ELEM_TAG);
}
} while ((l_iter = l_iter->next) != l_first);
}
}
void BKE_crazyspace_set_quats_mesh(Mesh *me,
float (*origcos)[3],
float (*mappedcos)[3],
float (*quats)[4])
{
using namespace blender;
using namespace blender::bke;
BLI_bitmap *vert_tag = BLI_BITMAP_NEW(me->totvert, __func__);
/* first store two sets of tangent vectors in vertices, we derive it just from the face-edges */
const Span<float3> positions = me->vert_positions();
const OffsetIndices polys = me->polys();
const Span<int> corner_verts = me->corner_verts();
for (int i = 0; i < me->totpoly; i++) {
const IndexRange poly = polys[i];
const int *corner_vert_next = &corner_verts[poly.start()];
const int *corner_vert_curr = &corner_vert_next[poly.size() - 1];
const int *corner_vert_prev = &corner_vert_next[poly.size() - 2];
for (int j = 0; j < poly.size(); j++) {
if (!BLI_BITMAP_TEST(vert_tag, *corner_vert_curr)) {
const float *co_prev, *co_curr, *co_next; /* orig */
const float *vd_prev, *vd_curr, *vd_next; /* deform */
/* retrieve mapped coordinates */
vd_prev = mappedcos[*corner_vert_prev];
vd_curr = mappedcos[*corner_vert_curr];
vd_next = mappedcos[*corner_vert_next];
if (origcos) {
co_prev = origcos[*corner_vert_prev];
co_curr = origcos[*corner_vert_curr];
co_next = origcos[*corner_vert_next];
}
else {
co_prev = positions[*corner_vert_prev];
co_curr = positions[*corner_vert_curr];
co_next = positions[*corner_vert_next];
}
set_crazy_vertex_quat(
quats[*corner_vert_curr], co_curr, co_next, co_prev, vd_curr, vd_next, vd_prev);
BLI_BITMAP_ENABLE(vert_tag, *corner_vert_curr);
}
corner_vert_prev = corner_vert_curr;
corner_vert_curr = corner_vert_next;
corner_vert_next++;
}
}
MEM_freeN(vert_tag);
}
int BKE_crazyspace_get_first_deform_matrices_editbmesh(struct Depsgraph *depsgraph,
Scene *scene,
Object *ob,
BMEditMesh *em,
float (**deformmats)[3][3],
float (**deformcos)[3])
{
ModifierData *md;
Mesh *me_input = static_cast<Mesh *>(ob->data);
Mesh *me = nullptr;
int i, a, modifiers_left_num = 0, verts_num = 0;
int cageIndex = BKE_modifiers_get_cage_index(scene, ob, nullptr, true);
float(*defmats)[3][3] = nullptr, (*deformedVerts)[3] = nullptr;
VirtualModifierData virtualModifierData;
ModifierEvalContext mectx = {depsgraph, ob, ModifierApplyFlag(0)};
BKE_modifiers_clear_errors(ob);
md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
/* compute the deformation matrices and coordinates for the first
* modifiers with on cage editing that are enabled and support computing
* deform matrices */
for (i = 0; md && i <= cageIndex; i++, md = md->next) {
const ModifierTypeInfo *mti = BKE_modifier_get_info(static_cast<ModifierType>(md->type));
if (!editbmesh_modifier_is_enabled(scene, ob, md, me != nullptr)) {
continue;
}
if (mti->type == eModifierTypeType_OnlyDeform && mti->deformMatricesEM) {
if (!defmats) {
const int required_mode = eModifierMode_Realtime | eModifierMode_Editmode;
CustomData_MeshMasks cd_mask_extra = CD_MASK_BAREMESH;
CDMaskLink *datamasks = BKE_modifier_calc_data_masks(
scene, md, &cd_mask_extra, required_mode, nullptr, nullptr);
cd_mask_extra = datamasks->mask;
BLI_linklist_free((LinkNode *)datamasks, nullptr);
me = BKE_mesh_wrapper_from_editmesh_with_coords(em, &cd_mask_extra, nullptr, me_input);
deformedVerts = editbmesh_vert_coords_alloc(em, &verts_num);
defmats = static_cast<float(*)[3][3]>(
MEM_mallocN(sizeof(*defmats) * verts_num, "defmats"));
for (a = 0; a < verts_num; a++) {
unit_m3(defmats[a]);
}
}
mti->deformMatricesEM(md, &mectx, em, me, deformedVerts, defmats, verts_num);
}
else {
break;
}
}
for (; md && i <= cageIndex; md = md->next, i++) {
if (editbmesh_modifier_is_enabled(scene, ob, md, me != nullptr) &&
BKE_modifier_is_correctable_deformed(md)) {
modifiers_left_num++;
}
}
if (me) {
BKE_id_free(nullptr, me);
}
*deformmats = defmats;
*deformcos = deformedVerts;
return modifiers_left_num;
}
/**
* Crazy-space evaluation needs to have an object which has all the fields
* evaluated, but the mesh data being at undeformed state. This way it can
* re-apply modifiers and also have proper pointers to key data blocks.
*
* Similar to #BKE_object_eval_reset(), but does not modify the actual evaluated object.
*/
static void crazyspace_init_object_for_eval(struct Depsgraph *depsgraph,
Object *object,
Object *object_crazy)
{
Object *object_eval = DEG_get_evaluated_object(depsgraph, object);
*object_crazy = blender::dna::shallow_copy(*object_eval);
if (object_crazy->runtime.data_orig != nullptr) {
object_crazy->data = object_crazy->runtime.data_orig;
}
}
static void crazyspace_init_verts_and_matrices(const Mesh *mesh,
float (**deformmats)[3][3],
float (**deformcos)[3])
{
int verts_num;
*deformcos = BKE_mesh_vert_coords_alloc(mesh, &verts_num);
*deformmats = static_cast<float(*)[3][3]>(
MEM_callocN(sizeof(**deformmats) * verts_num, "defmats"));
for (int a = 0; a < verts_num; a++) {
unit_m3((*deformmats)[a]);
}
BLI_assert(verts_num == mesh->totvert);
}
static bool crazyspace_modifier_supports_deform_matrices(ModifierData *md)
{
if (ELEM(md->type, eModifierType_Subsurf, eModifierType_Multires)) {
return true;
}
const ModifierTypeInfo *mti = BKE_modifier_get_info(static_cast<ModifierType>(md->type));
return (mti->type == eModifierTypeType_OnlyDeform);
}
static bool crazyspace_modifier_supports_deform(ModifierData *md)
{
const ModifierTypeInfo *mti = BKE_modifier_get_info(static_cast<ModifierType>(md->type));
return (mti->type == eModifierTypeType_OnlyDeform);
}
int BKE_sculpt_get_first_deform_matrices(struct Depsgraph *depsgraph,
Scene *scene,
Object *object,
float (**deformmats)[3][3],
float (**deformcos)[3])
{
ModifierData *md;
Mesh *me_eval = nullptr;
float(*defmats)[3][3] = nullptr, (*deformedVerts)[3] = nullptr;
int modifiers_left_num = 0;
VirtualModifierData virtualModifierData;
Object object_eval;
crazyspace_init_object_for_eval(depsgraph, object, &object_eval);
MultiresModifierData *mmd = get_multires_modifier(scene, &object_eval, false);
const bool is_sculpt_mode = (object->mode & OB_MODE_SCULPT) != 0;
const bool has_multires = mmd != nullptr && mmd->sculptlvl > 0;
const ModifierEvalContext mectx = {depsgraph, &object_eval, ModifierApplyFlag(0)};
if (is_sculpt_mode && has_multires) {
*deformmats = nullptr;
*deformcos = nullptr;
return modifiers_left_num;
}
md = BKE_modifiers_get_virtual_modifierlist(&object_eval, &virtualModifierData);
for (; md; md = md->next) {
if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
continue;
}
if (crazyspace_modifier_supports_deform_matrices(md)) {
const ModifierTypeInfo *mti = BKE_modifier_get_info(static_cast<ModifierType>(md->type));
if (defmats == nullptr) {
/* NOTE: Evaluated object is re-set to its original un-deformed state. */
Mesh *me = static_cast<Mesh *>(object_eval.data);
me_eval = BKE_mesh_copy_for_eval(me, true);
crazyspace_init_verts_and_matrices(me_eval, &defmats, &deformedVerts);
}
if (mti->deformMatrices) {
mti->deformMatrices(md, &mectx, me_eval, deformedVerts, defmats, me_eval->totvert);
}
else {
/* More complex handling will continue in BKE_crazyspace_build_sculpt.
* Exiting the loop on a non-deform modifier causes issues - #71213. */
BLI_assert(crazyspace_modifier_supports_deform(md));
break;
}
}
}
for (; md; md = md->next) {
if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
continue;
}
if (crazyspace_modifier_supports_deform(md)) {
modifiers_left_num++;
}
}
if (me_eval != nullptr) {
BKE_id_free(nullptr, me_eval);
}
*deformmats = defmats;
*deformcos = deformedVerts;
return modifiers_left_num;
}
void BKE_crazyspace_build_sculpt(struct Depsgraph *depsgraph,
Scene *scene,
Object *object,
float (**deformmats)[3][3],
float (**deformcos)[3])
{
int totleft = BKE_sculpt_get_first_deform_matrices(
depsgraph, scene, object, deformmats, deformcos);
if (totleft) {
/* There are deformation modifier which doesn't support deformation matrices calculation.
* Need additional crazy-space correction. */
Mesh *mesh = (Mesh *)object->data;
Mesh *mesh_eval = nullptr;
if (*deformcos == nullptr) {
crazyspace_init_verts_and_matrices(mesh, deformmats, deformcos);
}
float(*deformedVerts)[3] = *deformcos;
float(*origVerts)[3] = static_cast<float(*)[3]>(MEM_dupallocN(deformedVerts));
float(*quats)[4];
int i, deformed = 0;
VirtualModifierData virtualModifierData;
Object object_eval;
crazyspace_init_object_for_eval(depsgraph, object, &object_eval);
ModifierData *md = BKE_modifiers_get_virtual_modifierlist(&object_eval, &virtualModifierData);
const ModifierEvalContext mectx = {depsgraph, &object_eval, ModifierApplyFlag(0)};
for (; md; md = md->next) {
if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
continue;
}
if (crazyspace_modifier_supports_deform(md)) {
const ModifierTypeInfo *mti = BKE_modifier_get_info(static_cast<ModifierType>(md->type));
/* skip leading modifiers which have been already
* handled in sculpt_get_first_deform_matrices */
if (mti->deformMatrices && !deformed) {
continue;
}
if (mesh_eval == nullptr) {
mesh_eval = BKE_mesh_copy_for_eval(mesh, true);
}
mti->deformVerts(md, &mectx, mesh_eval, deformedVerts, mesh_eval->totvert);
deformed = 1;
}
}
quats = static_cast<float(*)[4]>(MEM_mallocN(mesh->totvert * sizeof(*quats), "crazy quats"));
BKE_crazyspace_set_quats_mesh(mesh, origVerts, deformedVerts, quats);
for (i = 0; i < mesh->totvert; i++) {
float qmat[3][3], tmat[3][3];
quat_to_mat3(qmat, quats[i]);
mul_m3_m3m3(tmat, qmat, (*deformmats)[i]);
copy_m3_m3((*deformmats)[i], tmat);
}
MEM_freeN(origVerts);
MEM_freeN(quats);
if (mesh_eval != nullptr) {
BKE_id_free(nullptr, mesh_eval);
}
}
if (*deformmats == nullptr) {
int a, verts_num;
Mesh *mesh = (Mesh *)object->data;
*deformcos = BKE_mesh_vert_coords_alloc(mesh, &verts_num);
*deformmats = static_cast<float(*)[3][3]>(
MEM_callocN(sizeof(*(*deformmats)) * verts_num, "defmats"));
for (a = 0; a < verts_num; a++) {
unit_m3((*deformmats)[a]);
}
}
}
/* -------------------------------------------------------------------- */
/** \name Crazyspace API
* \{ */
void BKE_crazyspace_api_eval(Depsgraph *depsgraph,
Scene *scene,
Object *object,
struct ReportList *reports)
{
if (object->runtime.crazyspace_deform_imats != nullptr ||
object->runtime.crazyspace_deform_cos != nullptr) {
return;
}
if (object->type != OB_MESH) {
BKE_report(reports,
RPT_ERROR,
"Crazyspace transformation is only available for Mesh type of objects");
return;
}
const Mesh *mesh = (const Mesh *)object->data;
object->runtime.crazyspace_verts_num = mesh->totvert;
BKE_crazyspace_build_sculpt(depsgraph,
scene,
object,
&object->runtime.crazyspace_deform_imats,
&object->runtime.crazyspace_deform_cos);
}
void BKE_crazyspace_api_displacement_to_deformed(struct Object *object,
struct ReportList *reports,
int vertex_index,
float displacement[3],
float r_displacement_deformed[3])
{
if (vertex_index < 0 || vertex_index >= object->runtime.crazyspace_verts_num) {
BKE_reportf(reports,
RPT_ERROR,
"Invalid vertex index %d (expected to be within 0 to %d range)",
vertex_index,
object->runtime.crazyspace_verts_num);
return;
}
mul_v3_m3v3(r_displacement_deformed,
object->runtime.crazyspace_deform_imats[vertex_index],
displacement);
}
void BKE_crazyspace_api_displacement_to_original(struct Object *object,
struct ReportList *reports,
int vertex_index,
float displacement_deformed[3],
float r_displacement[3])
{
if (vertex_index < 0 || vertex_index >= object->runtime.crazyspace_verts_num) {
BKE_reportf(reports,
RPT_ERROR,
"Invalid vertex index %d (expected to be within 0 to %d range)",
vertex_index,
object->runtime.crazyspace_verts_num);
return;
}
float mat[3][3];
if (!invert_m3_m3(mat, object->runtime.crazyspace_deform_imats[vertex_index])) {
copy_v3_v3(r_displacement, displacement_deformed);
return;
}
mul_v3_m3v3(r_displacement, mat, displacement_deformed);
}
void BKE_crazyspace_api_eval_clear(Object *object)
{
MEM_SAFE_FREE(object->runtime.crazyspace_deform_imats);
MEM_SAFE_FREE(object->runtime.crazyspace_deform_cos);
}
/** \} */
namespace blender::bke::crazyspace {
GeometryDeformation get_evaluated_curves_deformation(const Object *ob_eval, const Object &ob_orig)
{
BLI_assert(ob_orig.type == OB_CURVES);
const Curves &curves_id_orig = *static_cast<const Curves *>(ob_orig.data);
const CurvesGeometry &curves_orig = curves_id_orig.geometry.wrap();
const int points_num = curves_orig.points_num();
GeometryDeformation deformation;
/* Use the undeformed positions by default. */
deformation.positions = curves_orig.positions();
if (ob_eval == nullptr) {
return deformation;
}
const GeometrySet *geometry_eval = ob_eval->runtime.geometry_set_eval;
if (geometry_eval == nullptr) {
return deformation;
}
/* If available, use deformation information generated during evaluation. */
const GeometryComponentEditData *edit_component_eval =
geometry_eval->get_component_for_read<GeometryComponentEditData>();
bool uses_extra_positions = false;
if (edit_component_eval != nullptr) {
const CurvesEditHints *edit_hints = edit_component_eval->curves_edit_hints_.get();
if (edit_hints != nullptr && &edit_hints->curves_id_orig == &curves_id_orig) {
if (edit_hints->positions.has_value()) {
BLI_assert(edit_hints->positions->size() == points_num);
deformation.positions = *edit_hints->positions;
uses_extra_positions = true;
}
if (edit_hints->deform_mats.has_value()) {
BLI_assert(edit_hints->deform_mats->size() == points_num);
deformation.deform_mats = *edit_hints->deform_mats;
}
}
}
/* Use the positions of the evaluated curves directly, if the number of points matches. */
if (!uses_extra_positions) {
const CurveComponent *curves_component_eval =
geometry_eval->get_component_for_read<CurveComponent>();
if (curves_component_eval != nullptr) {
const Curves *curves_id_eval = curves_component_eval->get_for_read();
if (curves_id_eval != nullptr) {
const CurvesGeometry &curves_eval = curves_id_eval->geometry.wrap();
if (curves_eval.points_num() == points_num) {
deformation.positions = curves_eval.positions();
}
}
}
}
return deformation;
}
GeometryDeformation get_evaluated_curves_deformation(const Depsgraph &depsgraph,
const Object &ob_orig)
{
const Object *ob_eval = DEG_get_evaluated_object(&depsgraph, const_cast<Object *>(&ob_orig));
return get_evaluated_curves_deformation(ob_eval, ob_orig);
}
} // namespace blender::bke::crazyspace
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