/****************************************************************************
  Convenient VRay Enums and Defines For Vray Materials manipulation
****************************************************************************/

#define VRAYMTL_CLASS_ID Class_ID(0x37bf3f2f, 0x7034695c)

#define VRAYMTL_NSUBTEX 17

#define SUBTEXNO_DIFFUSE 0
#define SUBTEXNO_REFLECT 1
#define SUBTEXNO_REFRACT 2
#define SUBTEXNO_BUMP 3
#define SUBTEXNO_REFLECT_GLOSSINESS 4
#define SUBTEXNO_REFRACT_GLOSSINESS 5
#define SUBTEXNO_DISPLACEMENT 6
#define SUBTEXNO_ENVIRONMENT 7
#define SUBTEXNO_TRANSLUCENCY 8
#define SUBTEXNO_IOR 9
#define SUBTEXNO_HILIGHT_GLOSSINESS 10
#define SUBTEXNO_FRESNELIOR 11
#define SUBTEXNO_OPACITY 12
#define SUBTEXNO_ROUGHNESS 13
#define SUBTEXNO_ANISO 14
#define SUBTEXNO_ANISO_ROTATION 15
#define SUBTEXNO_FOG 16

namespace VRayMtlParameters {

    // Parameter block IDs
    enum {
        vrayMtl_old_id,
        vrayMtl_basic_id,
        vrayMtl_BRDF_id,
        vrayMtl_options_id,
        vrayMtl_maps_id,
        vrayMtl_reflIMap_id,
        vrayMtl_refrIMap_id,
    };

    // Parameters
    enum {
        pb_spin,

        pb_diffuse_color,

        pb_reflect_color, pb_reflect_glossiness, pb_reflect_subdivs,

        pb_refract_color, pb_refract_glossiness, pb_refract_subdivs,

        pb_reflect_fresnel,
        pb_refract_ior,

        pb_brdf_type,

        pb_reflect_trace,
        pb_refract_trace,

        pb_doubleSided,
        pb_reflectOnBack,

        pb_diffuse_trace, pb_diffuse_subdivs,

        pb_useIrradMap,
        pb_diffuseGlossy,
        pb_traceCaustics,

        pb_reflect_maxDepth,
        pb_refract_maxDepth,
        pb_cutoffThresh,

        pb_refract_fogColor, pb_refract_fogMult, pb_refract_translucent, pb_refract_thickness, pb_refract_volSubdivs, pb_refract_lightMult_old,
        pb_refract_scatterCoeff, pb_refract_scatterDir, pb_refract_lightMult,

        pb_fog_affectShadows,

        pb_useInterpolation,
        pb_interpSamples,
        pb_colorThreshold,

        pb_preservationMode,
        pb_translucent_color, pb_translucent_map,

        pb_reflect_minRate, pb_reflect_maxRate, pb_reflect_clrThresh, pb_reflect_nrmThresh, pb_reflect_interpSamples, pb_reflect_preset,

        pb_refract_minRate, pb_refract_maxRate, pb_refract_clrThresh, pb_refract_nrmThresh, pb_refract_interpSamples, pb_refract_preset,

        pb_reflect_exitColor, pb_refract_exitColor, pb_refract_exitColor_on,

        pb_brdf_anisotropy, pb_brdf_anisotropy_channel,

        pb_reflect_useInterpolation,
        pb_refract_useInterpolation,

        pb_brdf_anisotropy_rotation, pb_brdf_anisotropy_derivation, pb_brdf_anisotropy_axis,

        pb_refract_affectAlpha,
        pb_hilight_glossiness,
        pb_reflect_ior, pb_reflect_glossiness_lock, pb_reflect_ior_lock,

        pb_refract_fogBias,

        pb_environment_priority,
        pb_diffuse_roughness,

        pb_brdf_soften,
        pb_clampColors,

        pb_reflect_dimDistance, pb_reflect_dimDistanceFallOff, pb_reflect_dimDistanceOn,

        pb_refract_dispersion, pb_refract_dispersionOn,

        pb_refract_fogUnitScaleOn,
        pb_brdf_fixDarkEdges,

        pb_effect_id,
        pb_override_effect_id,

        pb_reflect_affectAlpha,
    };

#define SUBTEX_PARAM_ID 100
#define ON_OFFSET 50
#define MULT_OFFSET 100

#define VRAYMTL_TEXMAP_PARAMID(subtexNo) (SUBTEX_PARAM_ID+subtexNo)
#define VRAYMTL_TEXMAP_ON_PARAMID(subtexNo) (SUBTEX_PARAM_ID+subtexNo+ON_OFFSET)
#define VRAYMTL_TEXMAP_MULT_PARAMID(subtexNo) (SUBTEX_PARAM_ID+subtexNo+MULT_OFFSET)

} // namespace VRayMtlParameters





/****************************************************************************
  DumpMaterialVRay (Get the VRayMtl material properties)
****************************************************************************/
void Max2Nmo::DumpMaterialVRayMtl(Mtl* mtl, VirtoolsMaterial &NMat, BOOL &OpacityValid)
{
/*
    // list every parameters in its matching IParamBlock2

    IParamBlock2 *pblockBasic=mtl->GetParamBlockByID(VRayMtlParameters::vrayMtl_basic_id);
    IParamBlock2 *pblockMaps=mtl->GetParamBlockByID(VRayMtlParameters::vrayMtl_maps_id);
    IParamBlock2 *pblockOptions=mtl->GetParamBlockByID(VRayMtlParameters::vrayMtl_options_id);
    IParamBlock2 *pblockBRDF=mtl->GetParamBlockByID(VRayMtlParameters::vrayMtl_BRDF_id);

    OutputDebugString("pblockBasic\n");
    for (int i=-1; ++i<pblockBasic->NumParams();)
    {
        OutputDebugString("\t");
        OutputDebugString(pblockBasic->GetLocalName(pblockBasic->IndextoID(i)));
        OutputDebugString("\n");
    }

    OutputDebugString(_T("pblockMaps\n"));
    for (int i=-1; ++i<pblockMaps->NumParams();)
    {
        OutputDebugString("\t");
        OutputDebugString(pblockMaps->GetLocalName(pblockMaps->IndextoID(i)));
        OutputDebugString("\n");
    }

    OutputDebugString(_T("pblockOptions\n"));
    for (int i=-1; ++i<pblockOptions->NumParams();)
    {
        OutputDebugString("\t");
        OutputDebugString(pblockOptions->GetLocalName(pblockOptions->IndextoID(i)));
        OutputDebugString("\n");
    }

    OutputDebugString(_T("pblockBRDF\n"));
    for (int i=-1; ++i<pblockBRDF->NumParams();)
    {
        OutputDebugString("\t");
        OutputDebugString(pblockBRDF->GetLocalName(pblockBRDF->IndextoID(i)));
        OutputDebugString("\n");
    }
*/




    TimeValue t = GetStaticFrame();
    BOOL map_on;
    float map_mult;


    Color ambient_color(0.75, 0.75, 0.75);
    Color diffuse_color(0.75, 0.75, 0.75);
    Color reflection_color(0.0, 0.0, 0.0);  // specular color
    Color emissive_color(0.0, 0.0, 0.0);

    float reflection_glossiness = 10.0f;    // specular power
    float transparency = 1.0f;      // diffuse color alpha component

    BOOL option_doubleSided = true;

    Texmap *diffuse_texture = NULL;


    //--
    // Get VRay Material Properties

    IParamBlock2 *pblockBasic = mtl->GetParamBlockByID(VRayMtlParameters::vrayMtl_basic_id);
    IParamBlock2 *pblockMaps = mtl->GetParamBlockByID(VRayMtlParameters::vrayMtl_maps_id);
    IParamBlock2 *pblockOptions = mtl->GetParamBlockByID(VRayMtlParameters::vrayMtl_options_id);
    IParamBlock2 *pblockMaps = mtl->GetParamBlockByID(VRayMtlParameters::vrayMtl_maps_id);

    // get colors
    diffuse_color =     pblockBasic->GetColor(VRayMtlParameters::pb_diffuse_color, t);
    ambient_color =     diffuse_color;
    reflection_color =  pblockBasic->GetColor(VRayMtlParameters::pb_reflect_color, t);

    // get specular level
    // from the "Reflection Glossiness" spinner [formula: (100* (1-value))]
    reflection_glossiness = 100.0f * (1.0f - (pblockBasic->GetFloat(VRayMtlParameters::pb_reflect_glossiness, t)));

    // get transparency value from the "Maps" rollout
    map_on = pblockMaps->GetInt(VRAYMTL_TEXMAP_ON_PARAMID(SUBTEXNO_OPACITY), t);
    if (map_on)
    {
        map_mult =  pblockMaps->GetFloat(VRAYMTL_TEXMAP_MULT_PARAMID(SUBTEXNO_OPACITY), t);
        transparency = (map_mult / 100.0f);
    }
    else
    {
        transparency = 1.0f;
    }

    // get both-sided value
    option_doubleSided = pblockOptions->GetInt(VRayMtlParameters::pb_doubleSided);



    // Diffuse map

    int diffuse_map_on;
    Texmap* diffuse_texture = NULL;

    diffuse_map_on = pblockMaps->GetInt(VRAYMTL_TEXMAP_ON_PARAMID(SUBTEXNO_DIFFUSE), t);
    if (diffuse_map_on)
    {
        diffuse_texture = pblockMaps->GetTexmap(VRAYMTL_TEXMAP_PARAMID(SUBTEXNO_DIFFUSE));
    }
}