//
// Copyright 2012-2013, Syoyo Fujita.
//
// Licensed under 2-clause BSD liecense.
//
#ifndef _TINY_OBJ_LOADER_H
#define _TINY_OBJ_LOADER_H

#include <string>
#include <vector>
#include <map>

struct CommonFileIOInterface;

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 transparency;

	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.
#ifdef USE_STREAM
std::string LoadObj(
	std::vector<shape_t>& shapes,  // [output]
	const char* filename,
	const char* mtl_basepath = NULL);
#else
std::string
LoadObj(
	std::vector<shape_t>& shapes,
	const char* filename,
	const char* mtl_basepath,
	CommonFileIOInterface* fileIO);
#endif

};  // namespace tinyobj

#endif  // _TINY_OBJ_LOADER_H
