/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ /** \file * \ingroup bke */ #include "MEM_guardedalloc.h" /* Allow using deprecated functionality for .blend file I/O. */ #define DNA_DEPRECATED_ALLOW #include "DNA_defaults.h" #include "DNA_key_types.h" #include "DNA_material_types.h" #include "DNA_mesh_types.h" #include "DNA_meshdata_types.h" #include "DNA_object_types.h" #include "BLI_bounds.hh" #include "BLI_endian_switch.h" #include "BLI_ghash.h" #include "BLI_hash.h" #include "BLI_implicit_sharing.hh" #include "BLI_index_range.hh" #include "BLI_linklist.h" #include "BLI_listbase.h" #include "BLI_math_matrix.h" #include "BLI_math_vector.hh" #include "BLI_memarena.h" #include "BLI_ordered_edge.hh" #include "BLI_resource_scope.hh" #include "BLI_set.hh" #include "BLI_span.hh" #include "BLI_string.h" #include "BLI_task.hh" #include "BLI_time.h" #include "BLI_utildefines.h" #include "BLI_vector.hh" #include "BLI_virtual_array.hh" #include "BLT_translation.h" #include "BKE_anim_data.h" #include "BKE_attribute.hh" #include "BKE_bake_data_block_id.hh" #include "BKE_bpath.h" #include "BKE_deform.hh" #include "BKE_editmesh.hh" #include "BKE_editmesh_cache.hh" #include "BKE_global.h" #include "BKE_idtype.hh" #include "BKE_key.hh" #include "BKE_lib_id.hh" #include "BKE_lib_query.hh" #include "BKE_main.hh" #include "BKE_material.h" #include "BKE_mesh.hh" #include "BKE_mesh_legacy_convert.hh" #include "BKE_mesh_runtime.hh" #include "BKE_mesh_wrapper.hh" #include "BKE_modifier.hh" #include "BKE_multires.hh" #include "BKE_object.hh" #include "DEG_depsgraph.hh" #include "DEG_depsgraph_query.hh" #include "BLO_read_write.hh" using blender::float3; using blender::int2; using blender::MutableSpan; using blender::OffsetIndices; using blender::Span; using blender::StringRef; using blender::VArray; using blender::Vector; static void mesh_tessface_clear_intern(Mesh *mesh, int free_customdata); static void mesh_init_data(ID *id) { Mesh *mesh = reinterpret_cast(id); BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(mesh, id)); MEMCPY_STRUCT_AFTER(mesh, DNA_struct_default_get(Mesh), id); CustomData_reset(&mesh->vert_data); CustomData_reset(&mesh->edge_data); CustomData_reset(&mesh->fdata_legacy); CustomData_reset(&mesh->face_data); CustomData_reset(&mesh->corner_data); mesh->runtime = new blender::bke::MeshRuntime(); mesh->face_sets_color_seed = BLI_hash_int(BLI_check_seconds_timer_i() & UINT_MAX); } static void mesh_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const int flag) { Mesh *mesh_dst = reinterpret_cast(id_dst); const Mesh *mesh_src = reinterpret_cast(id_src); mesh_dst->runtime = new blender::bke::MeshRuntime(); mesh_dst->runtime->deformed_only = mesh_src->runtime->deformed_only; mesh_dst->runtime->wrapper_type = mesh_src->runtime->wrapper_type; mesh_dst->runtime->wrapper_type_finalize = mesh_src->runtime->wrapper_type_finalize; mesh_dst->runtime->subsurf_runtime_data = mesh_src->runtime->subsurf_runtime_data; mesh_dst->runtime->cd_mask_extra = mesh_src->runtime->cd_mask_extra; /* Copy face dot tags and edge tags, since meshes may be duplicated after a subsurf modifier or * node, but we still need to be able to draw face center vertices and "optimal edges" * differently. The tags may be cleared explicitly when the topology is changed. */ mesh_dst->runtime->subsurf_face_dot_tags = mesh_src->runtime->subsurf_face_dot_tags; mesh_dst->runtime->subsurf_optimal_display_edges = mesh_src->runtime->subsurf_optimal_display_edges; if ((mesh_src->id.tag & LIB_TAG_NO_MAIN) == 0) { /* This is a direct copy of a main mesh, so for now it has the same topology. */ mesh_dst->runtime->deformed_only = true; } /* This option is set for run-time meshes that have been copied from the current object's mode. * Currently this is used for edit-mesh although it could be used for sculpt or other * kinds of data specific to an object's mode. * * The flag signals that the mesh hasn't been modified from the data that generated it, * allowing us to use the object-mode data for drawing. * * While this could be the caller's responsibility, keep here since it's * highly unlikely we want to create a duplicate and not use it for drawing. */ mesh_dst->runtime->is_original_bmesh = false; /* Share various derived caches between the source and destination mesh for improved performance * when the source is persistent and edits to the destination mesh don't affect the caches. * Caches will be "un-shared" as necessary later on. */ mesh_dst->runtime->bounds_cache = mesh_src->runtime->bounds_cache; mesh_dst->runtime->vert_normals_cache = mesh_src->runtime->vert_normals_cache; mesh_dst->runtime->face_normals_cache = mesh_src->runtime->face_normals_cache; mesh_dst->runtime->corner_normals_cache = mesh_src->runtime->corner_normals_cache; mesh_dst->runtime->loose_verts_cache = mesh_src->runtime->loose_verts_cache; mesh_dst->runtime->verts_no_face_cache = mesh_src->runtime->verts_no_face_cache; mesh_dst->runtime->loose_edges_cache = mesh_src->runtime->loose_edges_cache; mesh_dst->runtime->corner_tris_cache = mesh_src->runtime->corner_tris_cache; mesh_dst->runtime->corner_tri_faces_cache = mesh_src->runtime->corner_tri_faces_cache; mesh_dst->runtime->vert_to_face_offset_cache = mesh_src->runtime->vert_to_face_offset_cache; mesh_dst->runtime->vert_to_face_map_cache = mesh_src->runtime->vert_to_face_map_cache; mesh_dst->runtime->vert_to_corner_map_cache = mesh_src->runtime->vert_to_corner_map_cache; mesh_dst->runtime->corner_to_face_map_cache = mesh_src->runtime->corner_to_face_map_cache; if (mesh_src->runtime->bake_materials) { mesh_dst->runtime->bake_materials = std::make_unique( *mesh_src->runtime->bake_materials); } /* Only do tessface if we have no faces. */ const bool do_tessface = ((mesh_src->totface_legacy != 0) && (mesh_src->faces_num == 0)); CustomData_MeshMasks mask = CD_MASK_MESH; if (mesh_src->id.tag & LIB_TAG_NO_MAIN) { /* For copies in depsgraph, keep data like #CD_ORIGINDEX and #CD_ORCO. */ CustomData_MeshMasks_update(&mask, &CD_MASK_DERIVEDMESH); } mesh_dst->mat = (Material **)MEM_dupallocN(mesh_src->mat); BKE_defgroup_copy_list(&mesh_dst->vertex_group_names, &mesh_src->vertex_group_names); mesh_dst->active_color_attribute = static_cast( MEM_dupallocN(mesh_src->active_color_attribute)); mesh_dst->default_color_attribute = static_cast( MEM_dupallocN(mesh_src->default_color_attribute)); CustomData_copy(&mesh_src->vert_data, &mesh_dst->vert_data, mask.vmask, mesh_dst->verts_num); CustomData_copy(&mesh_src->edge_data, &mesh_dst->edge_data, mask.emask, mesh_dst->edges_num); CustomData_copy( &mesh_src->corner_data, &mesh_dst->corner_data, mask.lmask, mesh_dst->corners_num); CustomData_copy(&mesh_src->face_data, &mesh_dst->face_data, mask.pmask, mesh_dst->faces_num); blender::implicit_sharing::copy_shared_pointer(mesh_src->face_offset_indices, mesh_src->runtime->face_offsets_sharing_info, &mesh_dst->face_offset_indices, &mesh_dst->runtime->face_offsets_sharing_info); if (do_tessface) { CustomData_copy( &mesh_src->fdata_legacy, &mesh_dst->fdata_legacy, mask.fmask, mesh_dst->totface_legacy); } else { mesh_tessface_clear_intern(mesh_dst, false); } mesh_dst->edit_mesh = nullptr; mesh_dst->mselect = (MSelect *)MEM_dupallocN(mesh_dst->mselect); /* TODO: Do we want to add flag to prevent this? */ if (mesh_src->key && (flag & LIB_ID_COPY_SHAPEKEY)) { BKE_id_copy_ex(bmain, &mesh_src->key->id, (ID **)&mesh_dst->key, flag); /* XXX This is not nice, we need to make BKE_id_copy_ex fully re-entrant... */ mesh_dst->key->from = &mesh_dst->id; } } void BKE_mesh_free_editmesh(Mesh *mesh) { if (mesh->edit_mesh == nullptr) { return; } if (mesh->edit_mesh->is_shallow_copy == false) { BKE_editmesh_free_data(mesh->edit_mesh); } MEM_freeN(mesh->edit_mesh); mesh->edit_mesh = nullptr; } static void mesh_free_data(ID *id) { Mesh *mesh = reinterpret_cast(id); BKE_mesh_free_editmesh(mesh); BKE_mesh_clear_geometry_and_metadata(mesh); MEM_SAFE_FREE(mesh->mat); delete mesh->runtime; } static void mesh_foreach_id(ID *id, LibraryForeachIDData *data) { Mesh *mesh = reinterpret_cast(id); const int flag = BKE_lib_query_foreachid_process_flags_get(data); BKE_LIB_FOREACHID_PROCESS_IDSUPER(data, mesh->texcomesh, IDWALK_CB_NEVER_SELF); BKE_LIB_FOREACHID_PROCESS_IDSUPER(data, mesh->key, IDWALK_CB_USER); for (int i = 0; i < mesh->totcol; i++) { BKE_LIB_FOREACHID_PROCESS_IDSUPER(data, mesh->mat[i], IDWALK_CB_USER); } if (flag & IDWALK_DO_DEPRECATED_POINTERS) { BKE_LIB_FOREACHID_PROCESS_ID_NOCHECK(data, mesh->ipo, IDWALK_CB_USER); } } static void mesh_foreach_path(ID *id, BPathForeachPathData *bpath_data) { Mesh *mesh = reinterpret_cast(id); if (mesh->corner_data.external) { BKE_bpath_foreach_path_fixed_process(bpath_data, mesh->corner_data.external->filepath, sizeof(mesh->corner_data.external->filepath)); } } static void mesh_blend_write(BlendWriter *writer, ID *id, const void *id_address) { using namespace blender; using namespace blender::bke; Mesh *mesh = reinterpret_cast(id); const bool is_undo = BLO_write_is_undo(writer); Vector vert_layers; Vector edge_layers; Vector loop_layers; Vector face_layers; /* Cache only - don't write. */ mesh->mface = nullptr; mesh->totface_legacy = 0; memset(&mesh->fdata_legacy, 0, sizeof(mesh->fdata_legacy)); /* Do not store actual geometry data in case this is a library override ID. */ if (ID_IS_OVERRIDE_LIBRARY(mesh) && !is_undo) { mesh->verts_num = 0; memset(&mesh->vert_data, 0, sizeof(mesh->vert_data)); mesh->edges_num = 0; memset(&mesh->edge_data, 0, sizeof(mesh->edge_data)); mesh->corners_num = 0; memset(&mesh->corner_data, 0, sizeof(mesh->corner_data)); mesh->faces_num = 0; memset(&mesh->face_data, 0, sizeof(mesh->face_data)); mesh->face_offset_indices = nullptr; } else { CustomData_blend_write_prepare(mesh->vert_data, vert_layers, {}); CustomData_blend_write_prepare(mesh->edge_data, edge_layers, {}); CustomData_blend_write_prepare(mesh->corner_data, loop_layers, {}); CustomData_blend_write_prepare(mesh->face_data, face_layers, {}); if (!is_undo) { mesh_sculpt_mask_to_legacy(vert_layers); } } mesh->runtime = nullptr; BLO_write_id_struct(writer, Mesh, id_address, &mesh->id); BKE_id_blend_write(writer, &mesh->id); BKE_defbase_blend_write(writer, &mesh->vertex_group_names); BLO_write_string(writer, mesh->active_color_attribute); BLO_write_string(writer, mesh->default_color_attribute); BLO_write_pointer_array(writer, mesh->totcol, mesh->mat); BLO_write_raw(writer, sizeof(MSelect) * mesh->totselect, mesh->mselect); CustomData_blend_write( writer, &mesh->vert_data, vert_layers, mesh->verts_num, CD_MASK_MESH.vmask, &mesh->id); CustomData_blend_write( writer, &mesh->edge_data, edge_layers, mesh->edges_num, CD_MASK_MESH.emask, &mesh->id); /* `fdata` is cleared above but written so slots align. */ CustomData_blend_write( writer, &mesh->fdata_legacy, {}, mesh->totface_legacy, CD_MASK_MESH.fmask, &mesh->id); CustomData_blend_write( writer, &mesh->corner_data, loop_layers, mesh->corners_num, CD_MASK_MESH.lmask, &mesh->id); CustomData_blend_write( writer, &mesh->face_data, face_layers, mesh->faces_num, CD_MASK_MESH.pmask, &mesh->id); if (mesh->face_offset_indices) { BLO_write_int32_array(writer, mesh->faces_num + 1, mesh->face_offset_indices); } } static void mesh_blend_read_data(BlendDataReader *reader, ID *id) { Mesh *mesh = reinterpret_cast(id); BLO_read_pointer_array(reader, (void **)&mesh->mat); /* This check added for python created meshes. */ if (!mesh->mat) { mesh->totcol = 0; } /* Deprecated pointers to custom data layers are read here for backward compatibility * with files where these were owning pointers rather than a view into custom data. */ BLO_read_data_address(reader, &mesh->mvert); BLO_read_data_address(reader, &mesh->medge); BLO_read_data_address(reader, &mesh->mface); BLO_read_data_address(reader, &mesh->mtface); BLO_read_data_address(reader, &mesh->dvert); BLO_read_data_address(reader, &mesh->tface); BLO_read_data_address(reader, &mesh->mcol); BLO_read_data_address(reader, &mesh->mselect); BLO_read_list(reader, &mesh->vertex_group_names); CustomData_blend_read(reader, &mesh->vert_data, mesh->verts_num); CustomData_blend_read(reader, &mesh->edge_data, mesh->edges_num); CustomData_blend_read(reader, &mesh->fdata_legacy, mesh->totface_legacy); CustomData_blend_read(reader, &mesh->corner_data, mesh->corners_num); CustomData_blend_read(reader, &mesh->face_data, mesh->faces_num); if (mesh->deform_verts().is_empty()) { /* Vertex group data was also an owning pointer in old Blender versions. * Don't read them again if they were read as part of #CustomData. */ BKE_defvert_blend_read(reader, mesh->verts_num, mesh->dvert); } BLO_read_data_address(reader, &mesh->active_color_attribute); BLO_read_data_address(reader, &mesh->default_color_attribute); mesh->texspace_flag &= ~ME_TEXSPACE_FLAG_AUTO_EVALUATED; mesh->edit_mesh = nullptr; mesh->runtime = new blender::bke::MeshRuntime(); if (mesh->face_offset_indices) { BLO_read_int32_array(reader, mesh->faces_num + 1, &mesh->face_offset_indices); mesh->runtime->face_offsets_sharing_info = blender::implicit_sharing::info_for_mem_free( mesh->face_offset_indices); } if (mesh->mselect == nullptr) { mesh->totselect = 0; } if (BLO_read_requires_endian_switch(reader) && mesh->tface) { TFace *tf = mesh->tface; for (int i = 0; i < mesh->totface_legacy; i++, tf++) { BLI_endian_switch_uint32_array(tf->col, 4); } } } IDTypeInfo IDType_ID_ME = { /*id_code*/ ID_ME, /*id_filter*/ FILTER_ID_ME, /*main_listbase_index*/ INDEX_ID_ME, /*struct_size*/ sizeof(Mesh), /*name*/ "Mesh", /*name_plural*/ N_("meshes"), /*translation_context*/ BLT_I18NCONTEXT_ID_MESH, /*flags*/ IDTYPE_FLAGS_APPEND_IS_REUSABLE, /*asset_type_info*/ nullptr, /*init_data*/ mesh_init_data, /*copy_data*/ mesh_copy_data, /*free_data*/ mesh_free_data, /*make_local*/ nullptr, /*foreach_id*/ mesh_foreach_id, /*foreach_cache*/ nullptr, /*foreach_path*/ mesh_foreach_path, /*owner_pointer_get*/ nullptr, /*blend_write*/ mesh_blend_write, /*blend_read_data*/ mesh_blend_read_data, /*blend_read_after_liblink*/ nullptr, /*blend_read_undo_preserve*/ nullptr, /*lib_override_apply_post*/ nullptr, }; bool BKE_mesh_attribute_required(const char *name) { return ELEM(StringRef(name), "position", ".corner_vert", ".corner_edge", ".edge_verts"); } void BKE_mesh_ensure_skin_customdata(Mesh *mesh) { BMesh *bm = mesh->edit_mesh ? mesh->edit_mesh->bm : nullptr; MVertSkin *vs; if (bm) { if (!CustomData_has_layer(&bm->vdata, CD_MVERT_SKIN)) { BMVert *v; BMIter iter; BM_data_layer_add(bm, &bm->vdata, CD_MVERT_SKIN); /* Mark an arbitrary vertex as root */ BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) { vs = (MVertSkin *)CustomData_bmesh_get(&bm->vdata, v->head.data, CD_MVERT_SKIN); vs->flag |= MVERT_SKIN_ROOT; break; } } } else { if (!CustomData_has_layer(&mesh->vert_data, CD_MVERT_SKIN)) { vs = (MVertSkin *)CustomData_add_layer( &mesh->vert_data, CD_MVERT_SKIN, CD_SET_DEFAULT, mesh->verts_num); /* Mark an arbitrary vertex as root */ if (vs) { vs->flag |= MVERT_SKIN_ROOT; } } } } bool BKE_mesh_has_custom_loop_normals(Mesh *mesh) { if (mesh->edit_mesh) { return CustomData_has_layer(&mesh->edit_mesh->bm->ldata, CD_CUSTOMLOOPNORMAL); } return CustomData_has_layer(&mesh->corner_data, CD_CUSTOMLOOPNORMAL); } void BKE_mesh_free_data_for_undo(Mesh *mesh) { mesh_free_data(&mesh->id); } /** * \note on data that this function intentionally doesn't free: * * - Materials and shape keys are not freed here (#Mesh.mat & #Mesh.key). * As freeing shape keys requires tagging the depsgraph for updated relations, * which is expensive. * Material slots should be kept in sync with the object. * * - Edit-Mesh (#Mesh.edit_mesh) * Since edit-mesh is tied to the object's mode, which crashes when called in edit-mode. * See: #90972. */ static void mesh_clear_geometry(Mesh &mesh) { CustomData_free(&mesh.vert_data, mesh.verts_num); CustomData_free(&mesh.edge_data, mesh.edges_num); CustomData_free(&mesh.fdata_legacy, mesh.totface_legacy); CustomData_free(&mesh.corner_data, mesh.corners_num); CustomData_free(&mesh.face_data, mesh.faces_num); if (mesh.face_offset_indices) { blender::implicit_sharing::free_shared_data(&mesh.face_offset_indices, &mesh.runtime->face_offsets_sharing_info); } MEM_SAFE_FREE(mesh.mselect); mesh.verts_num = 0; mesh.edges_num = 0; mesh.totface_legacy = 0; mesh.corners_num = 0; mesh.faces_num = 0; mesh.act_face = -1; mesh.totselect = 0; } static void clear_attribute_names(Mesh &mesh) { BLI_freelistN(&mesh.vertex_group_names); MEM_SAFE_FREE(mesh.active_color_attribute); MEM_SAFE_FREE(mesh.default_color_attribute); } void BKE_mesh_clear_geometry(Mesh *mesh) { BKE_mesh_runtime_clear_cache(mesh); mesh_clear_geometry(*mesh); } void BKE_mesh_clear_geometry_and_metadata(Mesh *mesh) { BKE_mesh_runtime_clear_cache(mesh); mesh_clear_geometry(*mesh); clear_attribute_names(*mesh); } static void mesh_tessface_clear_intern(Mesh *mesh, int free_customdata) { if (free_customdata) { CustomData_free(&mesh->fdata_legacy, mesh->totface_legacy); } else { CustomData_reset(&mesh->fdata_legacy); } mesh->totface_legacy = 0; } Mesh *BKE_mesh_add(Main *bmain, const char *name) { return static_cast(BKE_id_new(bmain, ID_ME, name)); } void BKE_mesh_face_offsets_ensure_alloc(Mesh *mesh) { BLI_assert(mesh->face_offset_indices == nullptr); BLI_assert(mesh->runtime->face_offsets_sharing_info == nullptr); if (mesh->faces_num == 0) { return; } mesh->face_offset_indices = static_cast( MEM_malloc_arrayN(mesh->faces_num + 1, sizeof(int), __func__)); mesh->runtime->face_offsets_sharing_info = blender::implicit_sharing::info_for_mem_free( mesh->face_offset_indices); #ifndef NDEBUG /* Fill offsets with obviously bad values to simplify finding missing initialization. */ mesh->face_offsets_for_write().fill(-1); #endif /* Set common values for convenience. */ mesh->face_offset_indices[0] = 0; mesh->face_offset_indices[mesh->faces_num] = mesh->corners_num; } Span Mesh::vert_positions() const { return {static_cast( CustomData_get_layer_named(&this->vert_data, CD_PROP_FLOAT3, "position")), this->verts_num}; } MutableSpan Mesh::vert_positions_for_write() { return {static_cast(CustomData_get_layer_named_for_write( &this->vert_data, CD_PROP_FLOAT3, "position", this->verts_num)), this->verts_num}; } Span Mesh::edges() const { return {static_cast( CustomData_get_layer_named(&this->edge_data, CD_PROP_INT32_2D, ".edge_verts")), this->edges_num}; } MutableSpan Mesh::edges_for_write() { return {static_cast(CustomData_get_layer_named_for_write( &this->edge_data, CD_PROP_INT32_2D, ".edge_verts", this->edges_num)), this->edges_num}; } OffsetIndices Mesh::faces() const { return Span(this->face_offset_indices, this->faces_num + 1); } Span Mesh::face_offsets() const { if (this->faces_num == 0) { return {}; } return {this->face_offset_indices, this->faces_num + 1}; } MutableSpan Mesh::face_offsets_for_write() { if (this->faces_num == 0) { return {}; } blender::implicit_sharing::make_trivial_data_mutable( &this->face_offset_indices, &this->runtime->face_offsets_sharing_info, this->faces_num + 1); return {this->face_offset_indices, this->faces_num + 1}; } Span Mesh::corner_verts() const { return {static_cast( CustomData_get_layer_named(&this->corner_data, CD_PROP_INT32, ".corner_vert")), this->corners_num}; } MutableSpan Mesh::corner_verts_for_write() { return {static_cast(CustomData_get_layer_named_for_write( &this->corner_data, CD_PROP_INT32, ".corner_vert", this->corners_num)), this->corners_num}; } Span Mesh::corner_edges() const { return {static_cast( CustomData_get_layer_named(&this->corner_data, CD_PROP_INT32, ".corner_edge")), this->corners_num}; } MutableSpan Mesh::corner_edges_for_write() { return {static_cast(CustomData_get_layer_named_for_write( &this->corner_data, CD_PROP_INT32, ".corner_edge", this->corners_num)), this->corners_num}; } Span Mesh::deform_verts() const { const MDeformVert *dverts = static_cast( CustomData_get_layer(&this->vert_data, CD_MDEFORMVERT)); if (!dverts) { return {}; } return {dverts, this->verts_num}; } MutableSpan Mesh::deform_verts_for_write() { MDeformVert *dvert = static_cast( CustomData_get_layer_for_write(&this->vert_data, CD_MDEFORMVERT, this->verts_num)); if (dvert) { return {dvert, this->verts_num}; } return {static_cast(CustomData_add_layer( &this->vert_data, CD_MDEFORMVERT, CD_SET_DEFAULT, this->verts_num)), this->verts_num}; } namespace blender::bke { void mesh_ensure_default_color_attribute_on_add(Mesh &mesh, const AttributeIDRef &id, AttrDomain domain, eCustomDataType data_type) { if (id.is_anonymous()) { return; } if (!(CD_TYPE_AS_MASK(data_type) & CD_MASK_COLOR_ALL) || !(ATTR_DOMAIN_AS_MASK(domain) & ATTR_DOMAIN_MASK_COLOR)) { return; } if (mesh.default_color_attribute) { return; } mesh.default_color_attribute = BLI_strdupn(id.name().data(), id.name().size()); } static void mesh_ensure_cdlayers_primary(Mesh &mesh) { MutableAttributeAccessor attributes = mesh.attributes_for_write(); AttributeInitConstruct attribute_init; /* Try to create attributes if they do not exist. */ attributes.add("position", AttrDomain::Point, CD_PROP_FLOAT3, attribute_init); attributes.add(".edge_verts", AttrDomain::Edge, CD_PROP_INT32_2D, attribute_init); attributes.add(".corner_vert", AttrDomain::Corner, CD_PROP_INT32, attribute_init); attributes.add(".corner_edge", AttrDomain::Corner, CD_PROP_INT32, attribute_init); } } // namespace blender::bke Mesh *BKE_mesh_new_nomain(const int verts_num, const int edges_num, const int faces_num, const int corners_num) { Mesh *mesh = static_cast(BKE_libblock_alloc( nullptr, ID_ME, BKE_idtype_idcode_to_name(ID_ME), LIB_ID_CREATE_LOCALIZE)); BKE_libblock_init_empty(&mesh->id); mesh->verts_num = verts_num; mesh->edges_num = edges_num; mesh->faces_num = faces_num; mesh->corners_num = corners_num; blender::bke::mesh_ensure_cdlayers_primary(*mesh); BKE_mesh_face_offsets_ensure_alloc(mesh); return mesh; } static void copy_attribute_names(const Mesh &mesh_src, Mesh &mesh_dst) { if (mesh_src.active_color_attribute) { MEM_SAFE_FREE(mesh_dst.active_color_attribute); mesh_dst.active_color_attribute = BLI_strdup(mesh_src.active_color_attribute); } if (mesh_src.default_color_attribute) { MEM_SAFE_FREE(mesh_dst.default_color_attribute); mesh_dst.default_color_attribute = BLI_strdup(mesh_src.default_color_attribute); } } void BKE_mesh_copy_parameters(Mesh *me_dst, const Mesh *me_src) { /* Copy general settings. */ me_dst->editflag = me_src->editflag; me_dst->flag = me_src->flag; me_dst->remesh_voxel_size = me_src->remesh_voxel_size; me_dst->remesh_voxel_adaptivity = me_src->remesh_voxel_adaptivity; me_dst->remesh_mode = me_src->remesh_mode; me_dst->symmetry = me_src->symmetry; me_dst->face_sets_color_seed = me_src->face_sets_color_seed; me_dst->face_sets_color_default = me_src->face_sets_color_default; /* Copy texture space. */ me_dst->texspace_flag = me_src->texspace_flag; copy_v3_v3(me_dst->texspace_location, me_src->texspace_location); copy_v3_v3(me_dst->texspace_size, me_src->texspace_size); me_dst->vertex_group_active_index = me_src->vertex_group_active_index; me_dst->attributes_active_index = me_src->attributes_active_index; } void BKE_mesh_copy_parameters_for_eval(Mesh *me_dst, const Mesh *me_src) { /* User counts aren't handled, don't copy into a mesh from #G_MAIN. */ BLI_assert(me_dst->id.tag & (LIB_TAG_NO_MAIN | LIB_TAG_COPIED_ON_WRITE)); BKE_mesh_copy_parameters(me_dst, me_src); copy_attribute_names(*me_src, *me_dst); /* Copy vertex group names. */ BLI_assert(BLI_listbase_is_empty(&me_dst->vertex_group_names)); BKE_defgroup_copy_list(&me_dst->vertex_group_names, &me_src->vertex_group_names); /* Copy materials. */ if (me_dst->mat != nullptr) { MEM_freeN(me_dst->mat); } me_dst->mat = (Material **)MEM_dupallocN(me_src->mat); me_dst->totcol = me_src->totcol; } Mesh *BKE_mesh_new_nomain_from_template_ex(const Mesh *me_src, const int verts_num, const int edges_num, const int tessface_num, const int faces_num, const int corners_num, const CustomData_MeshMasks mask) { /* Only do tessface if we are creating tessfaces or copying from mesh with only tessfaces. */ const bool do_tessface = (tessface_num || ((me_src->totface_legacy != 0) && (me_src->faces_num == 0))); Mesh *me_dst = static_cast(BKE_id_new_nomain(ID_ME, nullptr)); me_dst->mselect = (MSelect *)MEM_dupallocN(me_src->mselect); me_dst->verts_num = verts_num; me_dst->edges_num = edges_num; me_dst->faces_num = faces_num; me_dst->corners_num = corners_num; me_dst->totface_legacy = tessface_num; BKE_mesh_copy_parameters_for_eval(me_dst, me_src); CustomData_copy_layout( &me_src->vert_data, &me_dst->vert_data, mask.vmask, CD_SET_DEFAULT, verts_num); CustomData_copy_layout( &me_src->edge_data, &me_dst->edge_data, mask.emask, CD_SET_DEFAULT, edges_num); CustomData_copy_layout( &me_src->face_data, &me_dst->face_data, mask.pmask, CD_SET_DEFAULT, faces_num); CustomData_copy_layout( &me_src->corner_data, &me_dst->corner_data, mask.lmask, CD_SET_DEFAULT, corners_num); if (do_tessface) { CustomData_copy_layout( &me_src->fdata_legacy, &me_dst->fdata_legacy, mask.fmask, CD_SET_DEFAULT, tessface_num); } else { mesh_tessface_clear_intern(me_dst, false); } /* The destination mesh should at least have valid primary CD layers, * even in cases where the source mesh does not. */ blender::bke::mesh_ensure_cdlayers_primary(*me_dst); BKE_mesh_face_offsets_ensure_alloc(me_dst); if (do_tessface && !CustomData_get_layer(&me_dst->fdata_legacy, CD_MFACE)) { CustomData_add_layer(&me_dst->fdata_legacy, CD_MFACE, CD_SET_DEFAULT, me_dst->totface_legacy); } return me_dst; } Mesh *BKE_mesh_new_nomain_from_template(const Mesh *me_src, const int verts_num, const int edges_num, const int faces_num, const int corners_num) { return BKE_mesh_new_nomain_from_template_ex( me_src, verts_num, edges_num, 0, faces_num, corners_num, CD_MASK_EVERYTHING); } void BKE_mesh_eval_delete(Mesh *mesh_eval) { /* Evaluated mesh may point to edit mesh, but never owns it. */ mesh_eval->edit_mesh = nullptr; mesh_free_data(&mesh_eval->id); BKE_libblock_free_data(&mesh_eval->id, false); MEM_freeN(mesh_eval); } Mesh *BKE_mesh_copy_for_eval(const Mesh *source) { return reinterpret_cast( BKE_id_copy_ex(nullptr, &source->id, nullptr, LIB_ID_COPY_LOCALIZE)); } BMesh *BKE_mesh_to_bmesh_ex(const Mesh *mesh, const BMeshCreateParams *create_params, const BMeshFromMeshParams *convert_params) { const BMAllocTemplate allocsize = BMALLOC_TEMPLATE_FROM_ME(mesh); BMesh *bm = BM_mesh_create(&allocsize, create_params); BM_mesh_bm_from_me(bm, mesh, convert_params); return bm; } BMesh *BKE_mesh_to_bmesh(Mesh *mesh, Object *ob, const bool add_key_index, const BMeshCreateParams *params) { BMeshFromMeshParams bmesh_from_mesh_params{}; bmesh_from_mesh_params.calc_face_normal = false; bmesh_from_mesh_params.calc_vert_normal = false; bmesh_from_mesh_params.add_key_index = add_key_index; bmesh_from_mesh_params.use_shapekey = true; bmesh_from_mesh_params.active_shapekey = ob->shapenr; return BKE_mesh_to_bmesh_ex(mesh, params, &bmesh_from_mesh_params); } Mesh *BKE_mesh_from_bmesh_nomain(BMesh *bm, const BMeshToMeshParams *params, const Mesh *me_settings) { BLI_assert(params->calc_object_remap == false); Mesh *mesh = static_cast(BKE_id_new_nomain(ID_ME, nullptr)); BM_mesh_bm_to_me(nullptr, bm, mesh, params); BKE_mesh_copy_parameters_for_eval(mesh, me_settings); return mesh; } Mesh *BKE_mesh_from_bmesh_for_eval_nomain(BMesh *bm, const CustomData_MeshMasks *cd_mask_extra, const Mesh *me_settings) { Mesh *mesh = static_cast(BKE_id_new_nomain(ID_ME, nullptr)); BM_mesh_bm_to_me_for_eval(*bm, *mesh, cd_mask_extra); BKE_mesh_copy_parameters_for_eval(mesh, me_settings); return mesh; } static void ensure_orig_index_layer(CustomData &data, const int size) { if (CustomData_has_layer(&data, CD_ORIGINDEX)) { return; } int *indices = (int *)CustomData_add_layer(&data, CD_ORIGINDEX, CD_SET_DEFAULT, size); range_vn_i(indices, size, 0); } void BKE_mesh_ensure_default_orig_index_customdata(Mesh *mesh) { BLI_assert(mesh->runtime->wrapper_type == ME_WRAPPER_TYPE_MDATA); BKE_mesh_ensure_default_orig_index_customdata_no_check(mesh); } void BKE_mesh_ensure_default_orig_index_customdata_no_check(Mesh *mesh) { ensure_orig_index_layer(mesh->vert_data, mesh->verts_num); ensure_orig_index_layer(mesh->edge_data, mesh->edges_num); ensure_orig_index_layer(mesh->face_data, mesh->faces_num); } void BKE_mesh_texspace_calc(Mesh *mesh) { using namespace blender; if (mesh->texspace_flag & ME_TEXSPACE_FLAG_AUTO) { const Bounds bounds = mesh->bounds_min_max().value_or( Bounds(float3(-1.0f), float3(1.0f))); float texspace_location[3], texspace_size[3]; mid_v3_v3v3(texspace_location, bounds.min, bounds.max); texspace_size[0] = (bounds.max[0] - bounds.min[0]) / 2.0f; texspace_size[1] = (bounds.max[1] - bounds.min[1]) / 2.0f; texspace_size[2] = (bounds.max[2] - bounds.min[2]) / 2.0f; for (int a = 0; a < 3; a++) { if (texspace_size[a] == 0.0f) { texspace_size[a] = 1.0f; } else if (texspace_size[a] > 0.0f && texspace_size[a] < 0.00001f) { texspace_size[a] = 0.00001f; } else if (texspace_size[a] < 0.0f && texspace_size[a] > -0.00001f) { texspace_size[a] = -0.00001f; } } copy_v3_v3(mesh->texspace_location, texspace_location); copy_v3_v3(mesh->texspace_size, texspace_size); mesh->texspace_flag |= ME_TEXSPACE_FLAG_AUTO_EVALUATED; } } void BKE_mesh_texspace_ensure(Mesh *mesh) { if ((mesh->texspace_flag & ME_TEXSPACE_FLAG_AUTO) && !(mesh->texspace_flag & ME_TEXSPACE_FLAG_AUTO_EVALUATED)) { BKE_mesh_texspace_calc(mesh); } } void BKE_mesh_texspace_get(Mesh *mesh, float r_texspace_location[3], float r_texspace_size[3]) { BKE_mesh_texspace_ensure(mesh); if (r_texspace_location) { copy_v3_v3(r_texspace_location, mesh->texspace_location); } if (r_texspace_size) { copy_v3_v3(r_texspace_size, mesh->texspace_size); } } void BKE_mesh_texspace_get_reference(Mesh *mesh, char **r_texspace_flag, float **r_texspace_location, float **r_texspace_size) { BKE_mesh_texspace_ensure(mesh); if (r_texspace_flag != nullptr) { *r_texspace_flag = &mesh->texspace_flag; } if (r_texspace_location != nullptr) { *r_texspace_location = mesh->texspace_location; } if (r_texspace_size != nullptr) { *r_texspace_size = mesh->texspace_size; } } float (*BKE_mesh_orco_verts_get(Object *ob))[3] { Mesh *mesh = static_cast(ob->data); Mesh *tme = mesh->texcomesh ? mesh->texcomesh : mesh; /* Get appropriate vertex coordinates */ float(*vcos)[3] = (float(*)[3])MEM_calloc_arrayN(mesh->verts_num, sizeof(*vcos), "orco mesh"); const Span positions = tme->vert_positions(); int totvert = min_ii(tme->verts_num, mesh->verts_num); for (int a = 0; a < totvert; a++) { copy_v3_v3(vcos[a], positions[a]); } return vcos; } void BKE_mesh_orco_verts_transform(Mesh *mesh, float (*orco)[3], int totvert, const bool invert) { float texspace_location[3], texspace_size[3]; BKE_mesh_texspace_get( mesh->texcomesh ? mesh->texcomesh : mesh, texspace_location, texspace_size); if (invert) { for (int a = 0; a < totvert; a++) { float *co = orco[a]; madd_v3_v3v3v3(co, texspace_location, co, texspace_size); } } else { for (int a = 0; a < totvert; a++) { float *co = orco[a]; co[0] = (co[0] - texspace_location[0]) / texspace_size[0]; co[1] = (co[1] - texspace_location[1]) / texspace_size[1]; co[2] = (co[2] - texspace_location[2]) / texspace_size[2]; } } } void BKE_mesh_orco_ensure(Object *ob, Mesh *mesh) { if (CustomData_has_layer(&mesh->vert_data, CD_ORCO)) { return; } /* Orcos are stored in normalized 0..1 range by convention. */ float(*orcodata)[3] = BKE_mesh_orco_verts_get(ob); BKE_mesh_orco_verts_transform(mesh, orcodata, mesh->verts_num, false); CustomData_add_layer_with_data(&mesh->vert_data, CD_ORCO, orcodata, mesh->verts_num, nullptr); } Mesh *BKE_mesh_from_object(Object *ob) { if (ob == nullptr) { return nullptr; } if (ob->type == OB_MESH) { return static_cast(ob->data); } return nullptr; } void BKE_mesh_assign_object(Main *bmain, Object *ob, Mesh *mesh) { Mesh *old = nullptr; if (ob == nullptr) { return; } multires_force_sculpt_rebuild(ob); if (ob->type == OB_MESH) { old = static_cast(ob->data); if (old) { id_us_min(&old->id); } ob->data = mesh; id_us_plus((ID *)mesh); } BKE_object_materials_test(bmain, ob, (ID *)mesh); BKE_modifiers_test_object(ob); } void BKE_mesh_material_index_remove(Mesh *mesh, short index) { using namespace blender; using namespace blender::bke; MutableAttributeAccessor attributes = mesh->attributes_for_write(); AttributeWriter material_indices = attributes.lookup_for_write("material_index"); if (!material_indices) { return; } if (material_indices.domain != AttrDomain::Face) { BLI_assert_unreachable(); return; } MutableVArraySpan indices_span(material_indices.varray); for (const int i : indices_span.index_range()) { if (indices_span[i] > 0 && indices_span[i] >= index) { indices_span[i]--; } } indices_span.save(); material_indices.finish(); BKE_mesh_tessface_clear(mesh); } bool BKE_mesh_material_index_used(Mesh *mesh, short index) { using namespace blender; using namespace blender::bke; const AttributeAccessor attributes = mesh->attributes(); const VArray material_indices = *attributes.lookup_or_default( "material_index", AttrDomain::Face, 0); if (material_indices.is_single()) { return material_indices.get_internal_single() == index; } const VArraySpan indices_span(material_indices); return indices_span.contains(index); } void BKE_mesh_material_index_clear(Mesh *mesh) { using namespace blender; using namespace blender::bke; MutableAttributeAccessor attributes = mesh->attributes_for_write(); attributes.remove("material_index"); BKE_mesh_tessface_clear(mesh); } void BKE_mesh_material_remap(Mesh *mesh, const uint *remap, uint remap_len) { using namespace blender; using namespace blender::bke; const short remap_len_short = short(remap_len); #define MAT_NR_REMAP(n) \ if (n < remap_len_short) { \ BLI_assert(n >= 0 && remap[n] < remap_len_short); \ n = remap[n]; \ } \ ((void)0) if (mesh->edit_mesh) { BMEditMesh *em = mesh->edit_mesh; BMIter iter; BMFace *efa; BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) { MAT_NR_REMAP(efa->mat_nr); } } else { MutableAttributeAccessor attributes = mesh->attributes_for_write(); SpanAttributeWriter material_indices = attributes.lookup_or_add_for_write_span( "material_index", AttrDomain::Face); if (!material_indices) { return; } for (const int i : material_indices.span.index_range()) { MAT_NR_REMAP(material_indices.span[i]); } material_indices.span.save(); material_indices.finish(); } #undef MAT_NR_REMAP } namespace blender::bke { void mesh_smooth_set(Mesh &mesh, const bool use_smooth, const bool keep_sharp_edges) { MutableAttributeAccessor attributes = mesh.attributes_for_write(); if (!keep_sharp_edges) { attributes.remove("sharp_edge"); } attributes.remove("sharp_face"); if (!use_smooth) { attributes.add("sharp_face", AttrDomain::Face, AttributeInitVArray(VArray::ForSingle(true, mesh.faces_num))); } } void mesh_sharp_edges_set_from_angle(Mesh &mesh, const float angle, const bool keep_sharp_edges) { MutableAttributeAccessor attributes = mesh.attributes_for_write(); if (angle >= M_PI) { mesh_smooth_set(mesh, true, keep_sharp_edges); return; } if (angle == 0.0f) { mesh_smooth_set(mesh, false, keep_sharp_edges); return; } if (!keep_sharp_edges) { attributes.remove("sharp_edge"); } SpanAttributeWriter sharp_edges = attributes.lookup_or_add_for_write_span( "sharp_edge", AttrDomain::Edge); const VArraySpan sharp_faces = *attributes.lookup("sharp_face", AttrDomain::Face); mesh::edges_sharp_from_angle_set(mesh.faces(), mesh.corner_verts(), mesh.corner_edges(), mesh.face_normals(), mesh.corner_to_face_map(), sharp_faces, angle, sharp_edges.span); sharp_edges.finish(); } } // namespace blender::bke std::optional> Mesh::bounds_min_max() const { using namespace blender; const int verts_num = BKE_mesh_wrapper_vert_len(this); if (verts_num == 0) { return std::nullopt; } this->runtime->bounds_cache.ensure([&](Bounds &r_bounds) { switch (this->runtime->wrapper_type) { case ME_WRAPPER_TYPE_BMESH: r_bounds = *BKE_editmesh_cache_calc_minmax(*this->edit_mesh, *this->runtime->edit_data); break; case ME_WRAPPER_TYPE_MDATA: case ME_WRAPPER_TYPE_SUBD: r_bounds = *bounds::min_max(this->vert_positions()); break; } }); return this->runtime->bounds_cache.data(); } void Mesh::bounds_set_eager(const blender::Bounds &bounds) { this->runtime->bounds_cache.ensure([&](blender::Bounds &r_data) { r_data = bounds; }); } void BKE_mesh_transform(Mesh *mesh, const float mat[4][4], bool do_keys) { MutableSpan positions = mesh->vert_positions_for_write(); for (float3 &position : positions) { mul_m4_v3(mat, position); } if (do_keys && mesh->key) { LISTBASE_FOREACH (KeyBlock *, kb, &mesh->key->block) { float *fp = (float *)kb->data; for (int i = kb->totelem; i--; fp += 3) { mul_m4_v3(mat, fp); } } } mesh->tag_positions_changed(); } static void translate_positions(MutableSpan positions, const float3 &translation) { using namespace blender; threading::parallel_for(positions.index_range(), 2048, [&](const IndexRange range) { for (float3 &position : positions.slice(range)) { position += translation; } }); } void BKE_mesh_translate(Mesh *mesh, const float offset[3], const bool do_keys) { using namespace blender; if (math::is_zero(float3(offset))) { return; } std::optional> bounds; if (mesh->runtime->bounds_cache.is_cached()) { bounds = mesh->runtime->bounds_cache.data(); } translate_positions(mesh->vert_positions_for_write(), offset); if (do_keys && mesh->key) { LISTBASE_FOREACH (KeyBlock *, kb, &mesh->key->block) { translate_positions({static_cast(kb->data), kb->totelem}, offset); } } mesh->tag_positions_changed_uniformly(); if (bounds) { bounds->min += offset; bounds->max += offset; mesh->bounds_set_eager(*bounds); } } void BKE_mesh_tessface_clear(Mesh *mesh) { mesh_tessface_clear_intern(mesh, true); } /* -------------------------------------------------------------------- */ /* MSelect functions (currently used in weight paint mode) */ void BKE_mesh_mselect_clear(Mesh *mesh) { MEM_SAFE_FREE(mesh->mselect); mesh->totselect = 0; } void BKE_mesh_mselect_validate(Mesh *mesh) { using namespace blender; using namespace blender::bke; MSelect *mselect_src, *mselect_dst; int i_src, i_dst; if (mesh->totselect == 0) { return; } mselect_src = mesh->mselect; mselect_dst = (MSelect *)MEM_malloc_arrayN( (mesh->totselect), sizeof(MSelect), "Mesh selection history"); const AttributeAccessor attributes = mesh->attributes(); const VArray select_vert = *attributes.lookup_or_default( ".select_vert", AttrDomain::Point, false); const VArray select_edge = *attributes.lookup_or_default( ".select_edge", AttrDomain::Edge, false); const VArray select_poly = *attributes.lookup_or_default( ".select_poly", AttrDomain::Face, false); for (i_src = 0, i_dst = 0; i_src < mesh->totselect; i_src++) { int index = mselect_src[i_src].index; switch (mselect_src[i_src].type) { case ME_VSEL: { if (select_vert[index]) { mselect_dst[i_dst] = mselect_src[i_src]; i_dst++; } break; } case ME_ESEL: { if (select_edge[index]) { mselect_dst[i_dst] = mselect_src[i_src]; i_dst++; } break; } case ME_FSEL: { if (select_poly[index]) { mselect_dst[i_dst] = mselect_src[i_src]; i_dst++; } break; } default: { BLI_assert_unreachable(); break; } } } MEM_freeN(mselect_src); if (i_dst == 0) { MEM_freeN(mselect_dst); mselect_dst = nullptr; } else if (i_dst != mesh->totselect) { mselect_dst = (MSelect *)MEM_reallocN(mselect_dst, sizeof(MSelect) * i_dst); } mesh->totselect = i_dst; mesh->mselect = mselect_dst; } int BKE_mesh_mselect_find(Mesh *mesh, int index, int type) { BLI_assert(ELEM(type, ME_VSEL, ME_ESEL, ME_FSEL)); for (int i = 0; i < mesh->totselect; i++) { if ((mesh->mselect[i].index == index) && (mesh->mselect[i].type == type)) { return i; } } return -1; } int BKE_mesh_mselect_active_get(Mesh *mesh, int type) { BLI_assert(ELEM(type, ME_VSEL, ME_ESEL, ME_FSEL)); if (mesh->totselect) { if (mesh->mselect[mesh->totselect - 1].type == type) { return mesh->mselect[mesh->totselect - 1].index; } } return -1; } void BKE_mesh_mselect_active_set(Mesh *mesh, int index, int type) { const int msel_index = BKE_mesh_mselect_find(mesh, index, type); if (msel_index == -1) { /* add to the end */ mesh->mselect = (MSelect *)MEM_reallocN(mesh->mselect, sizeof(MSelect) * (mesh->totselect + 1)); mesh->mselect[mesh->totselect].index = index; mesh->mselect[mesh->totselect].type = type; mesh->totselect++; } else if (msel_index != mesh->totselect - 1) { /* move to the end */ std::swap(mesh->mselect[msel_index], mesh->mselect[mesh->totselect - 1]); } BLI_assert((mesh->mselect[mesh->totselect - 1].index == index) && (mesh->mselect[mesh->totselect - 1].type == type)); } void BKE_mesh_count_selected_items(const Mesh *mesh, int r_count[3]) { r_count[0] = r_count[1] = r_count[2] = 0; if (mesh->edit_mesh) { BMesh *bm = mesh->edit_mesh->bm; r_count[0] = bm->totvertsel; r_count[1] = bm->totedgesel; r_count[2] = bm->totfacesel; } /* We could support faces in paint modes. */ } /* **** Depsgraph evaluation **** */ void BKE_mesh_eval_geometry(Depsgraph *depsgraph, Mesh *mesh) { DEG_debug_print_eval(depsgraph, __func__, mesh->id.name, mesh); BKE_mesh_texspace_calc(mesh); /* We are here because something did change in the mesh. This means we can not trust the existing * evaluated mesh, and we don't know what parts of the mesh did change. So we simply delete the * evaluated mesh and let objects to re-create it with updated settings. */ if (mesh->runtime->mesh_eval != nullptr) { mesh->runtime->mesh_eval->edit_mesh = nullptr; BKE_id_free(nullptr, mesh->runtime->mesh_eval); mesh->runtime->mesh_eval = nullptr; } if (DEG_is_active(depsgraph)) { Mesh *mesh_orig = reinterpret_cast(DEG_get_original_id(&mesh->id)); if (mesh->texspace_flag & ME_TEXSPACE_FLAG_AUTO_EVALUATED) { mesh_orig->texspace_flag |= ME_TEXSPACE_FLAG_AUTO_EVALUATED; copy_v3_v3(mesh_orig->texspace_location, mesh->texspace_location); copy_v3_v3(mesh_orig->texspace_size, mesh->texspace_size); } } }