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author | Dan Goodliffe <dan@randomdan.homeip.net> | 2021-01-17 19:36:30 +0000 |
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committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2021-01-17 22:16:48 +0000 |
commit | 0bf4ad9e4a9e1c97e92aa23a365405dfef89bd7c (patch) | |
tree | 68a80976a247836bbb1eecc835af437e3489fbb7 /gfx/models/obj_loader.h | |
parent | First cut modernizing and sanitizing (diff) | |
download | ilt-0bf4ad9e4a9e1c97e92aa23a365405dfef89bd7c.tar.bz2 ilt-0bf4ad9e4a9e1c97e92aa23a365405dfef89bd7c.tar.xz ilt-0bf4ad9e4a9e1c97e92aa23a365405dfef89bd7c.zip |
Big reshuffle
Fixes code quality warnings now picked up.
Diffstat (limited to 'gfx/models/obj_loader.h')
-rw-r--r-- | gfx/models/obj_loader.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gfx/models/obj_loader.h b/gfx/models/obj_loader.h new file mode 100644 index 0000000..11c6b38 --- /dev/null +++ b/gfx/models/obj_loader.h @@ -0,0 +1,53 @@ +#ifndef OBJ_LOADER_H_INCLUDED +#define OBJ_LOADER_H_INCLUDED + +#include <glm/glm.hpp> +#include <string> +#include <vector> + +struct OBJIndex { + unsigned int vertexIndex; + unsigned int uvIndex; + unsigned int normalIndex; + + bool + operator<(const OBJIndex & r) const + { + return vertexIndex < r.vertexIndex; + } +}; + +class IndexedModel { +public: + std::vector<glm::vec3> positions; + std::vector<glm::vec2> texCoords; + std::vector<glm::vec3> normals; + std::vector<unsigned int> indices; + + void CalcNormals(); +}; + +class OBJModel { +public: + std::vector<OBJIndex> OBJIndices; + std::vector<glm::vec3> vertices; + std::vector<glm::vec2> uvs; + std::vector<glm::vec3> normals; + bool hasUVs; + bool hasNormals; + + explicit OBJModel(const std::string & fileName); + + IndexedModel ToIndexedModel(); + +private: + unsigned int FindLastVertexIndex( + const std::vector<OBJIndex *> & indexLookup, const OBJIndex * currentIndex, const IndexedModel & result); + void CreateOBJFace(const std::string & line); + + glm::vec2 ParseOBJVec2(const std::string & line); + glm::vec3 ParseOBJVec3(const std::string & line); + OBJIndex ParseOBJIndex(const std::string & token, bool * hasUVs, bool * hasNormals); +}; + +#endif // OBJ_LOADER_H_INCLUDED |