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https://github.com/Kbz-8/42_vox.git
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73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
#ifndef __SCOP_OBJ_LOADER__
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#define __SCOP_OBJ_LOADER__
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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#include <cstdint>
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#include <optional>
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#include <filesystem>
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#include <Maths/Vec2.h>
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#include <Maths/Vec3.h>
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#include <Maths/Vec4.h>
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namespace Scop
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{
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struct ObjData
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{
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struct FaceVertex
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{
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FaceVertex() : v(-1), t(-1), n(-1) {}
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std::int32_t v;
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std::int32_t t;
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std::int32_t n;
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inline bool operator<(const FaceVertex& rhs) const
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{
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return (v < rhs.v) || (v == rhs.v && t < rhs.t ) || (v == rhs.v && t == rhs.t && n < rhs.n);
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}
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inline bool operator==(const FaceVertex& rhs) const
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{
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return (v == rhs.v && t == rhs.t && n == rhs.n);
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}
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};
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using FaceList = std::pair<std::vector<FaceVertex>, std::vector<std::uint32_t>>;
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std::vector<Vec4f> color;
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std::vector<Vec3f> vertex;
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std::vector<Vec3f> normal;
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std::vector<Vec2f> tex_coord;
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std::map<std::string, FaceList> faces;
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};
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struct ObjModel
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{
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std::vector<Vec4f> color;
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std::vector<Vec3f> vertex;
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std::vector<Vec3f> normal;
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std::vector<Vec2f> tex_coord;
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std::map<std::string, std::vector<std::uint32_t>> faces;
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};
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std::optional<ObjData> LoadObjFromFile(const std::filesystem::path& path);
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void TesselateObjData(ObjData& data);
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ObjModel ConvertObjDataToObjModel(const ObjData& data);
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template<typename T>
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inline std::istream& operator>>(std::istream& in, std::vector<T>& vec);
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template<typename T>
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inline std::istream& operator>>(std::istream& in, std::set<T>& vec);
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inline std::istream& operator>>(std::istream& in, ObjData::FaceVertex& f);
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}
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#include <Graphics/Loaders/OBJ.inl>
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#endif
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