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// Licensed under 2-clause BSD liecense.

#ifndef _TINY_OBJ_LOADER_H

#define _TINY_OBJ_LOADER_H

#include <string>

#include <vector>

#include <map>

namespace tinyobj {

typedef struct

{

std::string name;

float ambient[3];

float diffuse[3];

float specular[3];

float transmittance[3];

float emission[3];

float shininess;

float ior; // index of refraction

std::string ambient_texname;

std::string diffuse_texname;

std::string specular_texname;

std::string normal_texname;

std::map<std::string, std::string> unknown_parameter;

} material_t;

typedef struct

{

std::vector<float> positions;

std::vector<float> normals;

std::vector<float> texcoords;

std::vector<unsigned int> indices;

} mesh_t;

typedef struct

{

std::string name;

material_t material;

mesh_t mesh;

} shape_t;

/// Loads .obj from a file.

/// 'shapes' will be filled with parsed shape data

/// The function returns error string.

/// Returns empty string when loading .obj success.

/// 'mtl_basepath' is optional, and used for base path for .mtl file.

std::string LoadObj(

std::vector<shape_t>& shapes, // [output]

const char* filename,

const char* mtl_basepath = NULL);

};

#endif // _TINY_OBJ_LOADER_H