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 | 79 |
1 files changed, 45 insertions, 34 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 a888c6d11a2..272afe4a843 100644 --- a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc +++ b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc @@ -188,12 +188,15 @@ void OBJMesh::ensure_mesh_edges() const void OBJMesh::calc_smooth_groups(const bool use_bitflags) { - poly_smooth_groups_ = BKE_mesh_calc_smoothgroups(export_mesh_eval_->medge, - export_mesh_eval_->totedge, - export_mesh_eval_->mpoly, - export_mesh_eval_->totpoly, - export_mesh_eval_->mloop, - export_mesh_eval_->totloop, + const Span<MEdge> edges = export_mesh_eval_->edges(); + const Span<MPoly> polys = export_mesh_eval_->polygons(); + const Span<MLoop> loops = export_mesh_eval_->loops(); + poly_smooth_groups_ = BKE_mesh_calc_smoothgroups(edges.data(), + edges.size(), + polys.data(), + polys.size(), + loops.data(), + loops.size(), &tot_smooth_groups_, use_bitflags); } @@ -239,7 +242,8 @@ const Material *OBJMesh::get_object_material(const int16_t mat_nr) const bool OBJMesh::is_ith_poly_smooth(const int poly_index) const { - return export_mesh_eval_->mpoly[poly_index].flag & ME_SMOOTH; + const Span<MPoly> polygons = export_mesh_eval_->polygons(); + return polygons[poly_index].flag & ME_SMOOTH; } const char *OBJMesh::get_object_name() const @@ -264,7 +268,8 @@ const char *OBJMesh::get_object_material_name(const int16_t mat_nr) const float3 OBJMesh::calc_vertex_coords(const int vert_index, const float scaling_factor) const { float3 r_coords; - copy_v3_v3(r_coords, export_mesh_eval_->mvert[vert_index].co); + const Span<MVert> verts = export_mesh_eval_->vertices(); + copy_v3_v3(r_coords, verts[vert_index].co); mul_m4_v3(world_and_axes_transform_, r_coords); mul_v3_fl(r_coords, scaling_factor); return r_coords; @@ -272,8 +277,10 @@ float3 OBJMesh::calc_vertex_coords(const int vert_index, const float scaling_fac Vector<int> OBJMesh::calc_poly_vertex_indices(const int poly_index) const { - const MPoly &mpoly = export_mesh_eval_->mpoly[poly_index]; - const MLoop *mloop = &export_mesh_eval_->mloop[mpoly.loopstart]; + const Span<MPoly> polys = export_mesh_eval_->polygons(); + const Span<MLoop> loops = export_mesh_eval_->loops(); + const MPoly &mpoly = polys[poly_index]; + const MLoop *mloop = &loops[mpoly.loopstart]; const int totloop = mpoly.totloop; Vector<int> r_poly_vertex_indices(totloop); for (int loop_index = 0; loop_index < totloop; loop_index++) { @@ -284,9 +291,8 @@ Vector<int> OBJMesh::calc_poly_vertex_indices(const int poly_index) const void OBJMesh::store_uv_coords_and_indices() { - const MPoly *mpoly = export_mesh_eval_->mpoly; - const MLoop *mloop = export_mesh_eval_->mloop; - const int totpoly = export_mesh_eval_->totpoly; + const Span<MPoly> polys = export_mesh_eval_->polygons(); + const Span<MLoop> loops = export_mesh_eval_->loops(); const int totvert = export_mesh_eval_->totvert; const MLoopUV *mloopuv = static_cast<const MLoopUV *>( CustomData_get_layer(&export_mesh_eval_->ldata, CD_MLOOPUV)); @@ -297,9 +303,9 @@ void OBJMesh::store_uv_coords_and_indices() const float limit[2] = {STD_UV_CONNECT_LIMIT, STD_UV_CONNECT_LIMIT}; UvVertMap *uv_vert_map = BKE_mesh_uv_vert_map_create( - mpoly, nullptr, mloop, mloopuv, totpoly, totvert, limit, false, false); + polys.data(), nullptr, loops.data(), mloopuv, polys.size(), totvert, limit, false, false); - uv_indices_.resize(totpoly); + uv_indices_.resize(polys.size()); /* At least total vertices of a mesh will be present in its texture map. So * reserve minimum space early. */ uv_coords_.reserve(totvert); @@ -311,11 +317,11 @@ void OBJMesh::store_uv_coords_and_indices() if (uv_vert->separate) { tot_uv_vertices_ += 1; } - const int vertices_in_poly = mpoly[uv_vert->poly_index].totloop; + const int vertices_in_poly = polys[uv_vert->poly_index].totloop; /* Store UV vertex coordinates. */ uv_coords_.resize(tot_uv_vertices_); - const int loopstart = mpoly[uv_vert->poly_index].loopstart; + const int loopstart = polys[uv_vert->poly_index].loopstart; Span<float> vert_uv_coords(mloopuv[loopstart + uv_vert->loop_of_poly_index].uv, 2); uv_coords_[tot_uv_vertices_ - 1] = float2(vert_uv_coords[0], vert_uv_coords[1]); @@ -341,10 +347,11 @@ Span<int> OBJMesh::calc_poly_uv_indices(const int poly_index) const float3 OBJMesh::calc_poly_normal(const int poly_index) const { float3 r_poly_normal; - const MPoly &poly = export_mesh_eval_->mpoly[poly_index]; - const MLoop &mloop = export_mesh_eval_->mloop[poly.loopstart]; - const MVert &mvert = *(export_mesh_eval_->mvert); - BKE_mesh_calc_poly_normal(&poly, &mloop, &mvert, r_poly_normal); + const Span<MVert> verts = export_mesh_eval_->vertices(); + const Span<MPoly> polys = export_mesh_eval_->polygons(); + const Span<MLoop> loops = export_mesh_eval_->loops(); + const MPoly &poly = polys[poly_index]; + BKE_mesh_calc_poly_normal(&poly, &loops[poly.loopstart], verts.data(), r_poly_normal); mul_m3_v3(world_and_axes_normal_transform_, r_poly_normal); normalize_v3(r_poly_normal); return r_poly_normal; @@ -368,6 +375,8 @@ static float3 round_float3_to_n_digits(const float3 &v, int round_digits) void OBJMesh::store_normal_coords_and_indices() { + const Span<MPoly> polys = export_mesh_eval_->polygons(); + /* We'll round normal components to 4 digits. * This will cover up some minor differences * between floating point calculations on different platforms. @@ -383,7 +392,7 @@ void OBJMesh::store_normal_coords_and_indices() const float(*lnors)[3] = static_cast<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]; + const MPoly &mpoly = polys[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) { @@ -427,7 +436,8 @@ Vector<int> OBJMesh::calc_poly_normal_indices(const int poly_index) const if (loop_to_normal_index_.is_empty()) { return {}; } - const MPoly &mpoly = export_mesh_eval_->mpoly[poly_index]; + const Span<MPoly> polys = export_mesh_eval_->polygons(); + const MPoly &mpoly = polys[poly_index]; const int totloop = mpoly.totloop; Vector<int> r_poly_normal_indices(totloop); for (int poly_loop_index = 0; poly_loop_index < totloop; poly_loop_index++) { @@ -450,23 +460,23 @@ int16_t OBJMesh::get_poly_deform_group_index(const int poly_index, { BLI_assert(poly_index < export_mesh_eval_->totpoly); BLI_assert(group_weights.size() == BKE_object_defgroup_count(&export_object_eval_)); - - const MDeformVert *dvert_layer = static_cast<const MDeformVert *>( - CustomData_get_layer(&export_mesh_eval_->vdata, CD_MDEFORMVERT)); - if (!dvert_layer) { + const Span<MPoly> polys = export_mesh_eval_->polygons(); + const Span<MLoop> loops = export_mesh_eval_->loops(); + const Span<MDeformVert> dverts = export_mesh_eval_->deform_verts(); + if (dverts.is_empty()) { return NOT_FOUND; } group_weights.fill(0); bool found_any_group = false; - const MPoly &mpoly = export_mesh_eval_->mpoly[poly_index]; - const MLoop *mloop = &export_mesh_eval_->mloop[mpoly.loopstart]; + const MPoly &mpoly = polys[poly_index]; + const MLoop *mloop = &loops[mpoly.loopstart]; for (int loop_i = 0; loop_i < mpoly.totloop; ++loop_i, ++mloop) { - const MDeformVert &dvert = dvert_layer[mloop->v]; - for (int weight_i = 0; weight_i < dvert.totweight; ++weight_i) { - const auto group = dvert.dw[weight_i].def_nr; + const MDeformVert &dv = dverts[mloop->v]; + for (int weight_i = 0; weight_i < dv.totweight; ++weight_i) { + const auto group = dv.dw[weight_i].def_nr; if (group < group_weights.size()) { - group_weights[group] += dvert.dw[weight_i].weight; + group_weights[group] += dv.dw[weight_i].weight; found_any_group = true; } } @@ -490,7 +500,8 @@ const char *OBJMesh::get_poly_deform_group_name(const int16_t def_group_index) c std::optional<std::array<int, 2>> OBJMesh::calc_loose_edge_vert_indices(const int edge_index) const { - const MEdge &edge = export_mesh_eval_->medge[edge_index]; + const Span<MEdge> edges = export_mesh_eval_->edges(); + const MEdge &edge = edges[edge_index]; if (edge.flag & ME_LOOSEEDGE) { return std::array<int, 2>{static_cast<int>(edge.v1), static_cast<int>(edge.v2)}; } |