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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup obj
*/
#pragma once
#include "BLI_math_vec_types.hh"
#include "DNA_node_types.h"
struct Material;
namespace blender::io::obj {
enum class MTLTexMapType { Kd = 0, Ks, Ns, d, refl, Ke, bump, Count };
extern const char *tex_map_type_to_socket_id[];
struct MTLTexMap {
bool is_valid() const
{
return !image_path.empty();
}
/* Target socket which this texture node connects to. */
float3 translation{0.0f};
float3 scale{1.0f};
/* Only Flat and Sphere projections are supported. */
int projection_type = SHD_PROJ_FLAT;
std::string image_path;
std::string mtl_dir_path;
};
/**
* Container suited for storing Material data for/from a .MTL file.
*/
struct MTLMaterial {
const MTLTexMap &tex_map_of_type(MTLTexMapType key) const
{
return texture_maps[(int)key];
}
MTLTexMap &tex_map_of_type(MTLTexMapType key)
{
return texture_maps[(int)key];
}
std::string name;
/* Always check for negative values while importing or exporting. Use defaults if
* any value is negative. */
float Ns{-1.0f};
float3 Ka{-1.0f};
float3 Kd{-1.0f};
float3 Ks{-1.0f};
float3 Ke{-1.0f};
float Ni{-1.0f};
float d{-1.0f};
int illum{-1};
MTLTexMap texture_maps[(int)MTLTexMapType::Count];
/** Only used for Normal Map node: "map_Bump". */
float map_Bump_strength{-1.0f};
};
MTLMaterial mtlmaterial_for_material(const Material *material);
} // namespace blender::io::obj
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