tinyrenderer/model.h at main · YashKarthik/tinyrenderer · GitHub

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#ifndef __MODEL_H__
#define __MODEL_H__

#include <vector>
#include "geometry.h"
#include "tgaimage.h"

class Model {
private:
	std::vector<Vec3f> verts{};
  std::vector<Vec3f> textures{};
  std::vector<Vec3f> norms{};

	std::vector<std::vector<int>> faces_verts{};
  std::vector<std::vector<int>> faces_texts{};
  std::vector<std::vector<int>> faces_norms{};

  TGAImage diffuse_map{};
  TGAImage normal_map{};
  TGAImage specular_map{};
  void load_map(const char* texts_file, TGAImage& img);

public:
	Model(
    const char *obj_file,
    const char *texts_file,
    const char *nm_file,
    const char *spec_file
  );
	~Model();
	int nverts();
	int nfaces();

	Vec3f vert(int i);
  Vec3f texture_vert(int i);
  Vec3f vert_norm(int i);

  Vec3f vert(int iface, int nthvert);
  Vec3f texture_vert(int iface, int nthvert);
  Vec3f vert_norm(int iface, int nthvert);

	std::vector<int> face_verts(int idx);
	std::vector<int> face_texts(int idx);
	std::vector<int> face_norms(int idx);

  TGAColor diffuse(Vec2f texture_coords);
  Vec3f normal(Vec2f texture_coords);
  float specular(Vec2f uvf);
};

#endif //__MODEL_H__