diff options
Diffstat (limited to 'source/blender/io/wavefront_obj/exporter/obj_export_file_writer.hh')
| -rw-r--r-- | source/blender/io/wavefront_obj/exporter/obj_export_file_writer.hh | 84 |
1 files changed, 56 insertions, 28 deletions
diff --git a/source/blender/io/wavefront_obj/exporter/obj_export_file_writer.hh b/source/blender/io/wavefront_obj/exporter/obj_export_file_writer.hh index 7385d9fabe2..2620d65f28c 100644 --- a/source/blender/io/wavefront_obj/exporter/obj_export_file_writer.hh +++ b/source/blender/io/wavefront_obj/exporter/obj_export_file_writer.hh @@ -49,14 +49,29 @@ struct IndexOffsets { class OBJWriter : NonMovable, NonCopyable { private: const OBJExportParams &export_params_; - std::unique_ptr<FormattedFileHandler<eFileType::OBJ>> file_handler_ = nullptr; - IndexOffsets index_offsets_{0, 0, 0}; + std::string outfile_path_; + FILE *outfile_; public: OBJWriter(const char *filepath, const OBJExportParams &export_params) noexcept(false) - : export_params_(export_params) + : export_params_(export_params), outfile_path_(filepath), outfile_(nullptr) { - file_handler_ = std::make_unique<FormattedFileHandler<eFileType::OBJ>>(filepath); + outfile_ = BLI_fopen(filepath, "wb"); + if (!outfile_) { + throw std::system_error(errno, std::system_category(), "Cannot open file " + outfile_path_); + } + } + ~OBJWriter() + { + if (outfile_ && std::fclose(outfile_)) { + std::cerr << "Error: could not close the file '" << outfile_path_ + << "' properly, it may be corrupted." << std::endl; + } + } + + FILE *get_outfile() const + { + return outfile_; } void write_header() const; @@ -64,11 +79,11 @@ class OBJWriter : NonMovable, NonCopyable { /** * Write object's name or group. */ - void write_object_name(const OBJMesh &obj_mesh_data) const; + void write_object_name(FormatHandler<eFileType::OBJ> &fh, const OBJMesh &obj_mesh_data) const; /** * Write an object's group with mesh and/or material name appended conditionally. */ - void write_object_group(const OBJMesh &obj_mesh_data) const; + void write_object_group(FormatHandler<eFileType::OBJ> &fh, const OBJMesh &obj_mesh_data) const; /** * Write file name of Material Library in .OBJ file. */ @@ -76,21 +91,22 @@ class OBJWriter : NonMovable, NonCopyable { /** * Write vertex coordinates for all vertices as "v x y z". */ - void write_vertex_coords(const OBJMesh &obj_mesh_data) const; + void write_vertex_coords(FormatHandler<eFileType::OBJ> &fh, const OBJMesh &obj_mesh_data) const; /** * Write UV vertex coordinates for all vertices as `vt u v`. * \note UV indices are stored here, but written with polygons later. */ - void write_uv_coords(OBJMesh &obj_mesh_data) const; + void write_uv_coords(FormatHandler<eFileType::OBJ> &fh, OBJMesh &obj_mesh_data) const; /** * Write loop normals for smooth-shaded polygons, and polygon normals otherwise, as "vn x y z". * \note Normal indices ares stored here, but written with polygons later. */ - void write_poly_normals(OBJMesh &obj_mesh_data); + void write_poly_normals(FormatHandler<eFileType::OBJ> &fh, OBJMesh &obj_mesh_data); /** * Write smooth group if polygon at the given index is shaded smooth else "s 0" */ - int write_smooth_group(const OBJMesh &obj_mesh_data, + int write_smooth_group(FormatHandler<eFileType::OBJ> &fh, + const OBJMesh &obj_mesh_data, int poly_index, int last_poly_smooth_group) const; /** @@ -98,14 +114,16 @@ class OBJWriter : NonMovable, NonCopyable { * \return #mat_nr of the polygon at the given index. * \note It doesn't write to the material library. */ - int16_t write_poly_material(const OBJMesh &obj_mesh_data, + int16_t write_poly_material(FormatHandler<eFileType::OBJ> &fh, + const OBJMesh &obj_mesh_data, int poly_index, int16_t last_poly_mat_nr, std::function<const char *(int)> matname_fn) const; /** * Write the name of the deform group of a polygon. */ - int16_t write_vertex_group(const OBJMesh &obj_mesh_data, + int16_t write_vertex_group(FormatHandler<eFileType::OBJ> &fh, + const OBJMesh &obj_mesh_data, int poly_index, int16_t last_poly_vertex_group) const; /** @@ -115,25 +133,25 @@ class OBJWriter : NonMovable, NonCopyable { * name used in the .obj file. * \note UV indices were stored while writing UV vertices. */ - void write_poly_elements(const OBJMesh &obj_mesh_data, + void write_poly_elements(FormatHandler<eFileType::OBJ> &fh, + const IndexOffsets &offsets, + const OBJMesh &obj_mesh_data, std::function<const char *(int)> matname_fn); /** * Write loose edges of a mesh as "l v1 v2". */ - void write_edges_indices(const OBJMesh &obj_mesh_data) const; + void write_edges_indices(FormatHandler<eFileType::OBJ> &fh, + const IndexOffsets &offsets, + const OBJMesh &obj_mesh_data) const; /** * Write a NURBS curve to the .OBJ file in parameter form. */ - void write_nurbs_curve(const OBJCurve &obj_nurbs_data) const; - - /** - * When there are multiple objects in a frame, the indices of previous objects' coordinates or - * normals add up. - */ - void update_index_offsets(const OBJMesh &obj_mesh_data); + void write_nurbs_curve(FormatHandler<eFileType::OBJ> &fh, const OBJCurve &obj_nurbs_data) const; private: - using func_vert_uv_normal_indices = void (OBJWriter::*)(Span<int> vert_indices, + using func_vert_uv_normal_indices = void (OBJWriter::*)(FormatHandler<eFileType::OBJ> &fh, + const IndexOffsets &offsets, + Span<int> vert_indices, Span<int> uv_indices, Span<int> normal_indices) const; /** @@ -144,25 +162,33 @@ class OBJWriter : NonMovable, NonCopyable { /** * Write one line of polygon indices as "f v1/vt1/vn1 v2/vt2/vn2 ...". */ - void write_vert_uv_normal_indices(Span<int> vert_indices, + void write_vert_uv_normal_indices(FormatHandler<eFileType::OBJ> &fh, + const IndexOffsets &offsets, + Span<int> vert_indices, Span<int> uv_indices, Span<int> normal_indices) const; /** * Write one line of polygon indices as "f v1//vn1 v2//vn2 ...". */ - void write_vert_normal_indices(Span<int> vert_indices, + void write_vert_normal_indices(FormatHandler<eFileType::OBJ> &fh, + const IndexOffsets &offsets, + Span<int> vert_indices, Span<int> /*uv_indices*/, Span<int> normal_indices) const; /** * Write one line of polygon indices as "f v1/vt1 v2/vt2 ...". */ - void write_vert_uv_indices(Span<int> vert_indices, + void write_vert_uv_indices(FormatHandler<eFileType::OBJ> &fh, + const IndexOffsets &offsets, + Span<int> vert_indices, Span<int> uv_indices, Span<int> /*normal_indices*/) const; /** * Write one line of polygon indices as "f v1 v2 ...". */ - void write_vert_indices(Span<int> vert_indices, + void write_vert_indices(FormatHandler<eFileType::OBJ> &fh, + const IndexOffsets &offsets, + Span<int> vert_indices, Span<int> /*uv_indices*/, Span<int> /*normal_indices*/) const; }; @@ -172,7 +198,8 @@ class OBJWriter : NonMovable, NonCopyable { */ class MTLWriter : NonMovable, NonCopyable { private: - std::unique_ptr<FormattedFileHandler<eFileType::MTL>> file_handler_ = nullptr; + FormatHandler<eFileType::MTL> fmt_handler_; + FILE *outfile_; std::string mtl_filepath_; Vector<MTLMaterial> mtlmaterials_; /* Map from a Material* to an index into mtlmaterials_. */ @@ -183,8 +210,9 @@ class MTLWriter : NonMovable, NonCopyable { * Create the .MTL file. */ MTLWriter(const char *obj_filepath) noexcept(false); + ~MTLWriter(); - void write_header(const char *blen_filepath) const; + void write_header(const char *blen_filepath); /** * Write all of the material specifications to the MTL file. * For consistency of output from run to run (useful for testing), |