/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

Copyright (c) 2006-2024, assimp team
Copyright (c) 2019 bzt

All rights reserved.

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* Redistributions in binary form must reproduce the above
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

----------------------------------------------------------------------
*/

/** @file M3DMaterials.h
*   @brief Declares the Assimp and Model 3D file material type relations
*/
#ifndef AI_M3DMATERIALS_H_INC
#define AI_M3DMATERIALS_H_INC

/*
 * In the m3d.h header, there's a static array which defines the material
 * properties, called m3d_propertytypes. These must have the same size, and
 * list the matching Assimp materials for those properties. Used by both the
 * M3DImporter and the M3DExporter, so you have to define these relations
 * only once. D.R.Y. and K.I.S.S.
 */
typedef struct {
    const char *pKey;
    unsigned int type;
    unsigned int index;
} aiMatProp;

/* --- Scalar Properties ---        !!!!! must match m3d_propertytypes !!!!! */
static const aiMatProp aiProps[] = {
    { AI_MATKEY_COLOR_DIFFUSE },                                /* m3dp_Kd */
    { AI_MATKEY_COLOR_AMBIENT },                                /* m3dp_Ka */
    { AI_MATKEY_COLOR_SPECULAR },                               /* m3dp_Ks */
    { AI_MATKEY_SHININESS },                                    /* m3dp_Ns */
    { AI_MATKEY_COLOR_EMISSIVE },                               /* m3dp_Ke */
    { AI_MATKEY_COLOR_REFLECTIVE },                             /* m3dp_Tf */
    { AI_MATKEY_BUMPSCALING },                                  /* m3dp_Km */
    { AI_MATKEY_OPACITY },                                      /* m3dp_d */
    { AI_MATKEY_SHADING_MODEL },                                /* m3dp_il */

    { nullptr, 0, 0 },                                          /* m3dp_Pr */
    { AI_MATKEY_REFLECTIVITY },                                 /* m3dp_Pm */
    { nullptr, 0, 0 },                                          /* m3dp_Ps */
    { AI_MATKEY_REFRACTI },                                     /* m3dp_Ni */
    { nullptr, 0, 0 },                                          /* m3dp_Nt */
    { nullptr, 0, 0 },
    { nullptr, 0, 0 },
    { nullptr, 0, 0 }
};

/* --- Texture Map Properties ---   !!!!! must match m3d_propertytypes !!!!! */
static const aiMatProp aiTxProps[] = {
    { AI_MATKEY_TEXTURE_DIFFUSE(0) },                        /* m3dp_map_Kd */
    { AI_MATKEY_TEXTURE(aiTextureType_AMBIENT_OCCLUSION,0) },/* m3dp_map_Ka */
    { AI_MATKEY_TEXTURE_SPECULAR(0) },                       /* m3dp_map_Ks */
    { AI_MATKEY_TEXTURE_SHININESS(0) },                      /* m3dp_map_Ns */
    { AI_MATKEY_TEXTURE_EMISSIVE(0) },                       /* m3dp_map_Ke */
    { nullptr, 0, 0 },                                       /* m3dp_map_Tf */
    { AI_MATKEY_TEXTURE_HEIGHT(0) },                         /* m3dp_bump */
    { AI_MATKEY_TEXTURE_OPACITY(0) },                        /* m3dp_map_d */
    { AI_MATKEY_TEXTURE_NORMALS(0) },                        /* m3dp_map_N */

    { AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE_ROUGHNESS,0) },/* m3dp_map_Pr */
    { AI_MATKEY_TEXTURE(aiTextureType_METALNESS,0) },        /* m3dp_map_Pm */
    { nullptr, 0, 0 },                                       /* m3dp_map_Ps */
    { AI_MATKEY_TEXTURE(aiTextureType_REFLECTION,0) },       /* m3dp_map_Ni */
    { nullptr, 0, 0 },                                       /* m3dp_map_Nt */
    { nullptr, 0, 0 },
    { nullptr, 0, 0 },
    { nullptr, 0, 0 }
};

#endif // AI_M3DMATERIALS_H_INC