diff options
Diffstat (limited to 'source/blender/io/wavefront_obj/importer/obj_import_mesh.cc')
| -rw-r--r-- | source/blender/io/wavefront_obj/importer/obj_import_mesh.cc | 95 |
1 files changed, 49 insertions, 46 deletions
diff --git a/source/blender/io/wavefront_obj/importer/obj_import_mesh.cc b/source/blender/io/wavefront_obj/importer/obj_import_mesh.cc index 55b2873a3de..01a2d63927e 100644 --- a/source/blender/io/wavefront_obj/importer/obj_import_mesh.cc +++ b/source/blender/io/wavefront_obj/importer/obj_import_mesh.cc @@ -18,6 +18,7 @@ #include "BLI_math_vector.h" #include "BLI_set.hh" +#include "IO_wavefront_obj.h" #include "importer_mesh_utils.hh" #include "obj_import_mesh.hh" @@ -35,7 +36,7 @@ Object *MeshFromGeometry::create_mesh( } fixup_invalid_faces(); - const int64_t tot_verts_object{mesh_geometry_.vertex_indices_.size()}; + const int64_t tot_verts_object{mesh_geometry_.vertex_count_}; /* Total explicitly imported edges, not the ones belonging the polygons to be created. */ const int64_t tot_edges{mesh_geometry_.edges_.size()}; const int64_t tot_face_elems{mesh_geometry_.face_elements_.size()}; @@ -52,11 +53,13 @@ Object *MeshFromGeometry::create_mesh( create_normals(mesh); create_materials(bmain, materials, created_materials, obj); - bool verbose_validate = false; + if (import_params.validate_meshes || mesh_geometry_.has_invalid_polys_) { + bool verbose_validate = false; #ifdef DEBUG - verbose_validate = true; + verbose_validate = true; #endif - BKE_mesh_validate(mesh, verbose_validate, false); + BKE_mesh_validate(mesh, verbose_validate, false); + } transform_object(obj, import_params); /* FIXME: after 2.80; `mesh->flag` isn't copied by #BKE_mesh_nomain_to_mesh() */ @@ -73,9 +76,9 @@ void MeshFromGeometry::fixup_invalid_faces() for (int64_t face_idx = 0; face_idx < mesh_geometry_.face_elements_.size(); ++face_idx) { const PolyElem &curr_face = mesh_geometry_.face_elements_[face_idx]; - if (curr_face.face_corners.size() < 3) { + if (curr_face.corner_count_ < 3) { /* Skip and remove faces that have fewer than 3 corners. */ - mesh_geometry_.total_loops_ -= curr_face.face_corners.size(); + mesh_geometry_.total_loops_ -= curr_face.corner_count_; mesh_geometry_.face_elements_.remove_and_reorder(face_idx); continue; } @@ -84,12 +87,14 @@ void MeshFromGeometry::fixup_invalid_faces() * basically whether it has duplicate vertex indices. */ bool valid = true; Set<int, 8> used_verts; - for (const PolyCorner &corner : curr_face.face_corners) { - if (used_verts.contains(corner.vert_index)) { + for (int i = 0; i < curr_face.corner_count_; ++i) { + int corner_idx = curr_face.start_index_ + i; + int vertex_idx = mesh_geometry_.face_corners_[corner_idx].vert_index; + if (used_verts.contains(vertex_idx)) { valid = false; break; } - used_verts.add(corner.vert_index); + used_verts.add(vertex_idx); } if (valid) { continue; @@ -100,20 +105,22 @@ void MeshFromGeometry::fixup_invalid_faces() Vector<int, 8> face_verts; Vector<int, 8> face_uvs; Vector<int, 8> face_normals; - face_verts.reserve(curr_face.face_corners.size()); - face_uvs.reserve(curr_face.face_corners.size()); - face_normals.reserve(curr_face.face_corners.size()); - for (const PolyCorner &corner : curr_face.face_corners) { + face_verts.reserve(curr_face.corner_count_); + face_uvs.reserve(curr_face.corner_count_); + face_normals.reserve(curr_face.corner_count_); + for (int i = 0; i < curr_face.corner_count_; ++i) { + int corner_idx = curr_face.start_index_ + i; + const PolyCorner &corner = mesh_geometry_.face_corners_[corner_idx]; face_verts.append(corner.vert_index); face_normals.append(corner.vertex_normal_index); face_uvs.append(corner.uv_vert_index); } - std::string face_vertex_group = curr_face.vertex_group; - std::string face_material_name = curr_face.material_name; + int face_vertex_group = curr_face.vertex_group_index; + int face_material = curr_face.material_index; bool face_shaded_smooth = curr_face.shaded_smooth; /* Remove the invalid face. */ - mesh_geometry_.total_loops_ -= curr_face.face_corners.size(); + mesh_geometry_.total_loops_ -= curr_face.corner_count_; mesh_geometry_.face_elements_.remove_and_reorder(face_idx); Vector<Vector<int>> new_faces = fixup_invalid_polygon(global_vertices_.vertices, face_verts); @@ -124,13 +131,14 @@ void MeshFromGeometry::fixup_invalid_faces() continue; } PolyElem new_face{}; - new_face.vertex_group = face_vertex_group; - new_face.material_name = face_material_name; + new_face.vertex_group_index = face_vertex_group; + new_face.material_index = face_material; new_face.shaded_smooth = face_shaded_smooth; - new_face.face_corners.reserve(face.size()); + new_face.start_index_ = mesh_geometry_.face_corners_.size(); + new_face.corner_count_ = face.size(); for (int idx : face) { BLI_assert(idx >= 0 && idx < face_verts.size()); - new_face.face_corners.append({face_verts[idx], face_uvs[idx], face_normals[idx]}); + mesh_geometry_.face_corners_.append({face_verts[idx], face_uvs[idx], face_normals[idx]}); } mesh_geometry_.face_elements_.append(new_face); mesh_geometry_.total_loops_ += face.size(); @@ -140,13 +148,14 @@ void MeshFromGeometry::fixup_invalid_faces() void MeshFromGeometry::create_vertices(Mesh *mesh) { - const int64_t tot_verts_object{mesh_geometry_.vertex_indices_.size()}; + const int tot_verts_object{mesh_geometry_.vertex_count_}; for (int i = 0; i < tot_verts_object; ++i) { - if (mesh_geometry_.vertex_indices_[i] < global_vertices_.vertices.size()) { - copy_v3_v3(mesh->mvert[i].co, global_vertices_.vertices[mesh_geometry_.vertex_indices_[i]]); + int vi = mesh_geometry_.vertex_start_ + i; + if (vi < global_vertices_.vertices.size()) { + copy_v3_v3(mesh->mvert[i].co, global_vertices_.vertices[vi]); } else { - std::cerr << "Vertex index:" << mesh_geometry_.vertex_indices_[i] + std::cerr << "Vertex index:" << vi << " larger than total vertices:" << global_vertices_.vertices.size() << " ." << std::endl; } @@ -158,7 +167,7 @@ void MeshFromGeometry::create_polys_loops(Object *obj, Mesh *mesh) /* Will not be used if vertex groups are not imported. */ mesh->dvert = nullptr; float weight = 0.0f; - const int64_t total_verts = mesh_geometry_.vertex_indices_.size(); + const int64_t total_verts = mesh_geometry_.vertex_count_; if (total_verts && mesh_geometry_.use_vertex_groups_) { mesh->dvert = static_cast<MDeformVert *>( CustomData_add_layer(&mesh->vdata, CD_MDEFORMVERT, CD_CALLOC, nullptr, total_verts)); @@ -168,34 +177,32 @@ void MeshFromGeometry::create_polys_loops(Object *obj, Mesh *mesh) UNUSED_VARS(weight); } - /* Do not remove elements from the VectorSet since order of insertion is required. - * StringRef is fine since per-face deform group name outlives the VectorSet. */ - VectorSet<StringRef> group_names; const int64_t tot_face_elems{mesh->totpoly}; int tot_loop_idx = 0; for (int poly_idx = 0; poly_idx < tot_face_elems; ++poly_idx) { const PolyElem &curr_face = mesh_geometry_.face_elements_[poly_idx]; - if (curr_face.face_corners.size() < 3) { + if (curr_face.corner_count_ < 3) { /* Don't add single vertex face, or edges. */ std::cerr << "Face with less than 3 vertices found, skipping." << std::endl; continue; } MPoly &mpoly = mesh->mpoly[poly_idx]; - mpoly.totloop = curr_face.face_corners.size(); + mpoly.totloop = curr_face.corner_count_; mpoly.loopstart = tot_loop_idx; if (curr_face.shaded_smooth) { mpoly.flag |= ME_SMOOTH; } - mpoly.mat_nr = mesh_geometry_.material_names_.index_of_try(curr_face.material_name); + mpoly.mat_nr = curr_face.material_index; /* Importing obj files without any materials would result in negative indices, which is not * supported. */ if (mpoly.mat_nr < 0) { mpoly.mat_nr = 0; } - for (const PolyCorner &curr_corner : curr_face.face_corners) { + for (int idx = 0; idx < curr_face.corner_count_; ++idx) { + const PolyCorner &curr_corner = mesh_geometry_.face_corners_[curr_face.start_index_ + idx]; MLoop &mloop = mesh->mloop[tot_loop_idx]; tot_loop_idx++; mloop.v = curr_corner.vert_index; @@ -212,23 +219,17 @@ void MeshFromGeometry::create_polys_loops(Object *obj, Mesh *mesh) MEM_callocN(sizeof(MDeformWeight), "OBJ Import Deform Weight")); } /* Every vertex in a face is assigned the same deform group. */ - int64_t pos_name{group_names.index_of_try(curr_face.vertex_group)}; - if (pos_name == -1) { - group_names.add_new(curr_face.vertex_group); - pos_name = group_names.size() - 1; - } - BLI_assert(pos_name >= 0); + int group_idx = curr_face.vertex_group_index; /* Deform group number (def_nr) must behave like an index into the names' list. */ - *(def_vert.dw) = {static_cast<unsigned int>(pos_name), weight}; + *(def_vert.dw) = {static_cast<unsigned int>(group_idx), weight}; } } if (!mesh->dvert) { return; } - /* Add deform group(s) to the object's defbase. */ - for (StringRef name : group_names) { - /* Adding groups in this order assumes that def_nr is an index into the names' list. */ + /* Add deform group names. */ + for (const std::string &name : mesh_geometry_.group_order_) { BKE_object_defgroup_add_name(obj, name.data()); } } @@ -236,7 +237,7 @@ void MeshFromGeometry::create_polys_loops(Object *obj, Mesh *mesh) void MeshFromGeometry::create_edges(Mesh *mesh) { const int64_t tot_edges{mesh_geometry_.edges_.size()}; - const int64_t total_verts{mesh_geometry_.vertex_indices_.size()}; + const int64_t total_verts{mesh_geometry_.vertex_count_}; UNUSED_VARS_NDEBUG(total_verts); for (int i = 0; i < tot_edges; ++i) { const MEdge &src_edge = mesh_geometry_.edges_[i]; @@ -263,7 +264,8 @@ void MeshFromGeometry::create_uv_verts(Mesh *mesh) int tot_loop_idx = 0; for (const PolyElem &curr_face : mesh_geometry_.face_elements_) { - for (const PolyCorner &curr_corner : curr_face.face_corners) { + for (int idx = 0; idx < curr_face.corner_count_; ++idx) { + const PolyCorner &curr_corner = mesh_geometry_.face_corners_[curr_face.start_index_ + idx]; if (curr_corner.uv_vert_index >= 0 && curr_corner.uv_vert_index < global_vertices_.uv_vertices.size()) { const float2 &mluv_src = global_vertices_.uv_vertices[curr_corner.uv_vert_index]; @@ -317,7 +319,7 @@ void MeshFromGeometry::create_materials( Map<std::string, Material *> &created_materials, Object *obj) { - for (const std::string &name : mesh_geometry_.material_names_) { + for (const std::string &name : mesh_geometry_.material_order_) { Material *mat = get_or_create_material(bmain, name, materials, created_materials); if (mat == nullptr) { continue; @@ -340,7 +342,8 @@ void MeshFromGeometry::create_normals(Mesh *mesh) MEM_malloc_arrayN(mesh_geometry_.total_loops_, sizeof(float[3]), __func__)); int tot_loop_idx = 0; for (const PolyElem &curr_face : mesh_geometry_.face_elements_) { - for (const PolyCorner &curr_corner : curr_face.face_corners) { + for (int idx = 0; idx < curr_face.corner_count_; ++idx) { + const PolyCorner &curr_corner = mesh_geometry_.face_corners_[curr_face.start_index_ + idx]; int n_index = curr_corner.vertex_normal_index; float3 normal(0, 0, 0); if (n_index >= 0) { |