茂之钳
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
#pragma once
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#include <string>
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#include <vector>
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#include "vde/foundation/math_types.h"
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namespace vde::foundation {
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struct ObjMeshData {
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std::vector<Point3D> vertices;
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std::vector<Point2D> texcoords;
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std::vector<Vector3D> normals;
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/// Vertex indices per face (0-based internally).
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/// Always populated regardless of face format.
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std::vector<std::vector<int>> faces;
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/// Texcoord indices per face (0-based). Empty if the file had no vt data.
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/// Same length as faces; each sub-vector same length as corresponding face.
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std::vector<std::vector<int>> face_texcoords;
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/// Normal indices per face (0-based). Empty if the file had no vn data.
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std::vector<std::vector<int>> face_normals;
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/// Material name per face group (appears before the faces that use it).
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/// The i-th entry gives the material active for the i-th face.
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std::vector<std::string> face_materials;
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/// Helpers
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[[nodiscard]] bool has_texcoords() const { return !texcoords.empty(); }
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};
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ObjMeshData read_obj(const std::string& filepath);
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void write_obj(const std::string& filepath, const ObjMeshData& data);
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} // namespace vde::foundation
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