diff options
Diffstat (limited to 'source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc')
| -rw-r--r-- | source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc index c1b12ddd217..468631cdd82 100644 --- a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc +++ b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc @@ -69,16 +69,28 @@ OBJMesh::OBJMesh(Depsgraph *depsgraph, const OBJExportParams &export_params, Obj */ OBJMesh::~OBJMesh() { - free_mesh_if_needed(); - if (poly_smooth_groups_) { - MEM_freeN(poly_smooth_groups_); - } + clear(); } void OBJMesh::free_mesh_if_needed() { if (mesh_eval_needs_free_ && export_mesh_eval_) { BKE_id_free(nullptr, export_mesh_eval_); + export_mesh_eval_ = nullptr; + mesh_eval_needs_free_ = false; + } +} + +void OBJMesh::clear() +{ + free_mesh_if_needed(); + uv_indices_.clear_and_make_inline(); + uv_coords_.clear_and_make_inline(); + loop_to_normal_index_.clear_and_make_inline(); + normal_coords_.clear_and_make_inline(); + if (poly_smooth_groups_) { + MEM_freeN(poly_smooth_groups_); + poly_smooth_groups_ = nullptr; } } @@ -256,7 +268,7 @@ Vector<int> OBJMesh::calc_poly_vertex_indices(const int poly_index) const return r_poly_vertex_indices; } -void OBJMesh::store_uv_coords_and_indices(Vector<std::array<float, 2>> &r_uv_coords) +void OBJMesh::store_uv_coords_and_indices() { const MPoly *mpoly = export_mesh_eval_->mpoly; const MLoop *mloop = export_mesh_eval_->mloop; @@ -276,7 +288,7 @@ void OBJMesh::store_uv_coords_and_indices(Vector<std::array<float, 2>> &r_uv_coo uv_indices_.resize(totpoly); /* At least total vertices of a mesh will be present in its texture map. So * reserve minimum space early. */ - r_uv_coords.reserve(totvert); + uv_coords_.reserve(totvert); tot_uv_vertices_ = 0; for (int vertex_index = 0; vertex_index < totvert; vertex_index++) { @@ -288,11 +300,10 @@ void OBJMesh::store_uv_coords_and_indices(Vector<std::array<float, 2>> &r_uv_coo const int vertices_in_poly = mpoly[uv_vert->poly_index].totloop; /* Store UV vertex coordinates. */ - r_uv_coords.resize(tot_uv_vertices_); + uv_coords_.resize(tot_uv_vertices_); const int loopstart = mpoly[uv_vert->poly_index].loopstart; Span<float> vert_uv_coords(mloopuv[loopstart + uv_vert->loop_of_poly_index].uv, 2); - r_uv_coords[tot_uv_vertices_ - 1][0] = vert_uv_coords[0]; - r_uv_coords[tot_uv_vertices_ - 1][1] = vert_uv_coords[1]; + uv_coords_[tot_uv_vertices_ - 1] = float2(vert_uv_coords[0], vert_uv_coords[1]); /* Store UV vertex indices. */ uv_indices_[uv_vert->poly_index].resize(vertices_in_poly); @@ -340,7 +351,7 @@ static float3 round_float3_to_n_digits(const float3 &v, int round_digits) return ans; } -void OBJMesh::store_normal_coords_and_indices(Vector<float3> &r_normal_coords) +void OBJMesh::store_normal_coords_and_indices() { /* We'll round normal components to 4 digits. * This will cover up some minor differences @@ -358,7 +369,7 @@ void OBJMesh::store_normal_coords_and_indices(Vector<float3> &r_normal_coords) *lnors)[3] = (const float(*)[3])(CustomData_get_layer(&export_mesh_eval_->ldata, CD_NORMAL)); for (int poly_index = 0; poly_index < export_mesh_eval_->totpoly; ++poly_index) { const MPoly &mpoly = export_mesh_eval_->mpoly[poly_index]; - bool need_per_loop_normals = is_ith_poly_smooth(poly_index); + bool need_per_loop_normals = lnors != nullptr || (mpoly.flag & ME_SMOOTH); if (need_per_loop_normals) { for (int loop_of_poly = 0; loop_of_poly < mpoly.totloop; ++loop_of_poly) { float3 loop_normal; @@ -371,7 +382,7 @@ void OBJMesh::store_normal_coords_and_indices(Vector<float3> &r_normal_coords) if (loop_norm_index == -1) { loop_norm_index = cur_normal_index++; normal_to_index.add(rounded_loop_normal, loop_norm_index); - r_normal_coords.append(rounded_loop_normal); + normal_coords_.append(rounded_loop_normal); } loop_to_normal_index_[loop_index] = loop_norm_index; } @@ -383,7 +394,7 @@ void OBJMesh::store_normal_coords_and_indices(Vector<float3> &r_normal_coords) if (poly_norm_index == -1) { poly_norm_index = cur_normal_index++; normal_to_index.add(rounded_poly_normal, poly_norm_index); - r_normal_coords.append(rounded_poly_normal); + normal_coords_.append(rounded_poly_normal); } for (int i = 0; i < mpoly.totloop; ++i) { int loop_index = mpoly.loopstart + i; |