rna_material.c

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Contributor(s): Blender Foundation (2008), Nathan Letwory
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <float.h>
#include <stdlib.h>

#include "RNA_define.h"

#include "rna_internal.h"

#include "DNA_material_types.h"
#include "DNA_texture_types.h"

#include "WM_api.h"
#include "WM_types.h"

static EnumPropertyItem prop_texture_coordinates_items[] = {
{TEXCO_GLOB, "GLOBAL", 0, "Global", "Use global coordinates for the texture coordinates"},
{TEXCO_OBJECT, "OBJECT", 0, "Object", "Use linked object's coordinates for texture coordinates"},
{TEXCO_UV, "UV", 0, "UV", "Use UV coordinates for texture coordinates"},
{TEXCO_ORCO, "ORCO", 0, "Generated", "Use the original undeformed coordinates of the object"},
{TEXCO_STRAND, "STRAND", 0, "Strand / Particle",
               "Use normalized strand texture coordinate (1D) or particle age (X) and trail position (Y)"},
{TEXCO_STICKY, "STICKY", 0, "Sticky", "Use mesh's sticky coordinates for the texture coordinates"},
{TEXCO_WINDOW, "WINDOW", 0, "Window", "Use screen coordinates as texture coordinates"},
{TEXCO_NORM, "NORMAL", 0, "Normal", "Use normal vector as texture coordinates"},
{TEXCO_REFL, "REFLECTION", 0, "Reflection", "Use reflection vector as texture coordinates"},
{TEXCO_STRESS, "STRESS", 0, "Stress", "Use the difference of edge lengths compared to original coordinates of the mesh"},
{TEXCO_TANGENT, "TANGENT", 0, "Tangent", "Use the optional tangent vector as texture coordinates"},
{0, NULL, 0, NULL, NULL}};

EnumPropertyItem ramp_blend_items[] = {
{MA_RAMP_BLEND, "MIX", 0, "Mix", ""},
{MA_RAMP_ADD, "ADD", 0, "Add", ""},
{MA_RAMP_MULT, "MULTIPLY", 0, "Multiply", ""},
{MA_RAMP_SUB, "SUBTRACT", 0, "Subtract", ""},
{MA_RAMP_SCREEN, "SCREEN", 0, "Screen", ""},
{MA_RAMP_DIV, "DIVIDE", 0, "Divide", ""},
{MA_RAMP_DIFF, "DIFFERENCE", 0, "Difference", ""},
{MA_RAMP_DARK, "DARKEN", 0, "Darken", ""},
{MA_RAMP_LIGHT, "LIGHTEN", 0, "Lighten", ""},
{MA_RAMP_OVERLAY, "OVERLAY", 0, "Overlay", ""},
{MA_RAMP_DODGE, "DODGE", 0, "Dodge", ""},
{MA_RAMP_BURN, "BURN", 0, "Burn", ""},
{MA_RAMP_HUE, "HUE", 0, "Hue", ""},
{MA_RAMP_SAT, "SATURATION", 0, "Saturation", ""},
{MA_RAMP_VAL, "VALUE", 0, "Value", ""},
{MA_RAMP_COLOR, "COLOR", 0, "Color", ""},
{MA_RAMP_SOFT, "SOFT_LIGHT", 0, "Soft Light", ""}, 
{MA_RAMP_LINEAR, "LINEAR_LIGHT", 0, "Linear Light", ""}, 
{0, NULL, 0, NULL, NULL}};

#ifdef RNA_RUNTIME

#include "MEM_guardedalloc.h"

#include "DNA_node_types.h"

#include "BKE_depsgraph.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_texture.h"
#include "BKE_node.h"

#include "ED_node.h"

static void rna_Material_update(Main *UNUSED(bmain), Scene *scene, PointerRNA *ptr)
{
    Material *ma= ptr->id.data;

    DAG_id_tag_update(&ma->id, 0);
    if(scene->gm.matmode == GAME_MAT_GLSL)
        WM_main_add_notifier(NC_MATERIAL|ND_SHADING_DRAW, ma);
    else
        WM_main_add_notifier(NC_MATERIAL|ND_SHADING, ma);
}

static void rna_Material_draw_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
    Material *ma= ptr->id.data;

    DAG_id_tag_update(&ma->id, 0);
    WM_main_add_notifier(NC_MATERIAL|ND_SHADING_DRAW, ma);
}

static PointerRNA rna_Material_mirror_get(PointerRNA *ptr)
{
    return rna_pointer_inherit_refine(ptr, &RNA_MaterialRaytraceMirror, ptr->id.data);
}

static PointerRNA rna_Material_transp_get(PointerRNA *ptr)
{
    return rna_pointer_inherit_refine(ptr, &RNA_MaterialRaytraceTransparency, ptr->id.data);
}

static PointerRNA rna_Material_halo_get(PointerRNA *ptr)
{
    return rna_pointer_inherit_refine(ptr, &RNA_MaterialHalo, ptr->id.data);
}

static PointerRNA rna_Material_sss_get(PointerRNA *ptr)
{
    return rna_pointer_inherit_refine(ptr, &RNA_MaterialSubsurfaceScattering, ptr->id.data);
}

static PointerRNA rna_Material_strand_get(PointerRNA *ptr)
{
    return rna_pointer_inherit_refine(ptr, &RNA_MaterialStrand, ptr->id.data);
}

static PointerRNA rna_Material_physics_get(PointerRNA *ptr)
{
    return rna_pointer_inherit_refine(ptr, &RNA_MaterialPhysics, ptr->id.data);
}

static void rna_Material_type_set(PointerRNA *ptr, int value)
{
    Material *ma= (Material*)ptr->data;

    if(ma->material_type == MA_TYPE_HALO && value != MA_TYPE_HALO)
        ma->mode &= ~(MA_STAR|MA_HALO_XALPHA|MA_ZINV|MA_ENV);

    ma->material_type= value;
}

static void rna_Material_mtex_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
    Material *ma= (Material*)ptr->data;
    rna_iterator_array_begin(iter, (void*)ma->mtex, sizeof(MTex*), MAX_MTEX, 0, NULL);
}

static PointerRNA rna_Material_active_texture_get(PointerRNA *ptr)
{
    Material *ma= (Material*)ptr->data;
    Tex *tex;

    tex= give_current_material_texture(ma);
    return rna_pointer_inherit_refine(ptr, &RNA_Texture, tex);
}

static void rna_Material_active_texture_set(PointerRNA *ptr, PointerRNA value)
{
    Material *ma= (Material*)ptr->data;

    set_current_material_texture(ma, value.data);
}

static int rna_Material_active_texture_editable(PointerRNA *ptr)
{
    Material *ma= (Material*)ptr->id.data;

    return has_current_material_texture(ma);
}

static PointerRNA rna_Material_active_node_material_get(PointerRNA *ptr)
{
    Material *ma= give_node_material((Material*)ptr->data);
    return rna_pointer_inherit_refine(ptr, &RNA_Material, ma);
}

static void rna_Material_active_node_material_set(PointerRNA *ptr, PointerRNA value)
{
    Material *ma= (Material*)ptr->data;
    Material *ma_act= value.data;

    nodeSetActiveID(ma->nodetree, ID_MA, &ma_act->id);
}

static void rna_MaterialStrand_start_size_range(PointerRNA *ptr, float *min, float *max)
{
    Material *ma= (Material*)ptr->id.data;

    if(ma->mode & MA_STR_B_UNITS) {
        *min= 0.0001f;
        *max= 2.0f;
    }
    else {
        *min= 0.25f;
        *max= 20.0f;
    }
}

static void rna_MaterialStrand_end_size_range(PointerRNA *ptr, float *min, float *max)
{
    Material *ma= (Material*)ptr->id.data;

    if(ma->mode & MA_STR_B_UNITS) {
        *min= 0.0001f;
        *max= 1.0f;
    }
    else {
        *min= 0.25f;
        *max= 10.0f;
    }
}

static int rna_MaterialTextureSlot_use_get(PointerRNA *ptr)
{
    Material *ma= (Material*)ptr->id.data;
    MTex *mtex= (MTex*)ptr->data;
    int a;

    for(a=0; a<MAX_MTEX; a++)
        if(ma->mtex[a] == mtex)
            return (ma->septex & (1<<a)) == 0;
    
    return 0;
}

static void rna_MaterialTextureSlot_use_set(PointerRNA *ptr, int value)
{
    Material *ma= (Material*)ptr->id.data;
    MTex *mtex= (MTex*)ptr->data;
    int a;

    for(a=0; a<MAX_MTEX; a++) {
        if(ma->mtex[a] == mtex) {
            if(value)
                ma->septex &= ~(1<<a);
            else
                ma->septex |= (1<<a);
        }
    }
}

static void rna_Material_use_diffuse_ramp_set(PointerRNA *ptr, int value)
{
    Material *ma= (Material*)ptr->data;

    if(value) ma->mode |= MA_RAMP_COL;
    else ma->mode &= ~MA_RAMP_COL;

    if((ma->mode & MA_RAMP_COL) && ma->ramp_col == NULL)
        ma->ramp_col= add_colorband(0);
}

static void rna_Material_use_specular_ramp_set(PointerRNA *ptr, int value)
{
    Material *ma= (Material*)ptr->data;

    if(value) ma->mode |= MA_RAMP_SPEC;
    else ma->mode &= ~MA_RAMP_SPEC;

    if((ma->mode & MA_RAMP_SPEC) && ma->ramp_spec == NULL)
        ma->ramp_spec= add_colorband(0);
}

static void rna_Material_use_nodes_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
    Material *ma= (Material*)ptr->data;

    if(ma->use_nodes && ma->nodetree==NULL)
        ED_node_shader_default(scene, &ma->id);
    
    rna_Material_update(bmain, scene, ptr);
}

static EnumPropertyItem *rna_Material_texture_coordinates_itemf(bContext *UNUSED(C), PointerRNA *ptr,
                                                                PropertyRNA *UNUSED(prop), int *free)
{
    Material *ma= (Material*)ptr->id.data;
    EnumPropertyItem *item= NULL;
    int totitem= 0;
    
    RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_GLOB);
    RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_OBJECT);
    RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_ORCO);
    
    if(ma->material_type == MA_TYPE_VOLUME) {
        
    }
    else if (ELEM3(ma->material_type, MA_TYPE_SURFACE, MA_TYPE_HALO, MA_TYPE_WIRE)) {
        RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_UV);
        RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_STRAND);
        RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_STICKY);
        RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_WINDOW);
        RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_NORM);
        RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_REFL);
        RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_STRESS);
        RNA_enum_items_add_value(&item, &totitem, prop_texture_coordinates_items, TEXCO_TANGENT);
    }
    
    RNA_enum_item_end(&item, &totitem);
    *free= 1;
    
    return item;
}

MTex *rna_mtex_texture_slots_add(ID *self_id, struct bContext *C, ReportList *reports)
{
    MTex *mtex= add_mtex_id(self_id, -1);
    if (mtex == NULL) {
        BKE_reportf(reports, RPT_ERROR, "maximum number of textures added %d", MAX_MTEX);
        return NULL;
    }

    /* for redraw only */
    WM_event_add_notifier(C, NC_TEXTURE, CTX_data_scene(C));

    return mtex;
}

MTex *rna_mtex_texture_slots_create(ID *self_id, struct bContext *C, ReportList *reports, int index)
{
    MTex *mtex;

    if(index < 0 || index >= MAX_MTEX) {
        BKE_reportf(reports, RPT_ERROR, "index %d is invalid", index);
        return NULL;
    }

    mtex= add_mtex_id(self_id, index);

    /* for redraw only */
    WM_event_add_notifier(C, NC_TEXTURE, CTX_data_scene(C));

    return mtex;
}

void rna_mtex_texture_slots_clear(ID *self_id, struct bContext *C, ReportList *reports, int index)
{
    MTex **mtex_ar;
    short act;

    give_active_mtex(self_id, &mtex_ar, &act);

    if (mtex_ar == NULL) {
        BKE_report(reports, RPT_ERROR, "mtex not found for this type");
        return;
    }
    
    if(index < 0 || index >= MAX_MTEX) {
        BKE_reportf(reports, RPT_ERROR, "index %d is invalid", index);
        return;
    }

    if(mtex_ar[index]) {
        id_us_min((ID *)mtex_ar[index]->tex);
        MEM_freeN(mtex_ar[index]);
        mtex_ar[index]= NULL;
    }

    /* for redraw only */
    WM_event_add_notifier(C, NC_TEXTURE, CTX_data_scene(C));
}

#else

static void rna_def_material_mtex(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    static EnumPropertyItem prop_mapping_items[] = {
        {MTEX_FLAT, "FLAT", 0, "Flat", "Map X and Y coordinates directly"},
        {MTEX_CUBE, "CUBE", 0, "Cube", "Map using the normal vector"},
        {MTEX_TUBE, "TUBE", 0, "Tube", "Map with Z as central axis"},
        {MTEX_SPHERE, "SPHERE", 0, "Sphere", "Map with Z as central axis"},
        {0, NULL, 0, NULL, NULL}};
        
    static EnumPropertyItem prop_x_mapping_items[] = {
        {0, "NONE", 0, "None", ""},
        {1, "X", 0, "X", ""},
        {2, "Y", 0, "Y", ""},
        {3, "Z", 0, "Z", ""},
        {0, NULL, 0, NULL, NULL}};
        
    static EnumPropertyItem prop_y_mapping_items[] = {
        {0, "NONE", 0, "None", ""},
        {1, "X", 0, "X", ""},
        {2, "Y", 0, "Y", ""},
        {3, "Z", 0, "Z", ""},
        {0, NULL, 0, NULL, NULL}};
        
    static EnumPropertyItem prop_z_mapping_items[] = {
        {0, "NONE", 0, "None", ""},
        {1, "X", 0, "X", ""},
        {2, "Y", 0, "Y", ""},
        {3, "Z", 0, "Z", ""},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem prop_normal_map_space_items[] = {
        {MTEX_NSPACE_CAMERA, "CAMERA", 0, "Camera", ""},
        {MTEX_NSPACE_WORLD, "WORLD", 0, "World", ""},
        {MTEX_NSPACE_OBJECT, "OBJECT", 0, "Object", ""},
        {MTEX_NSPACE_TANGENT, "TANGENT", 0, "Tangent", ""},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem prop_bump_method_items[] = {
        {0, "BUMP_ORIGINAL", 0, "Original", ""},
        {MTEX_COMPAT_BUMP, "BUMP_COMPATIBLE", 0, "Compatible", ""},
        {MTEX_3TAP_BUMP, "BUMP_LOW_QUALITY", 0, "Low Quality", "Use 3 tap filtering"},
        {MTEX_5TAP_BUMP, "BUMP_MEDIUM_QUALITY", 0, "Medium Quality", "Use 5 tap filtering"},
        {MTEX_BICUBIC_BUMP, "BUMP_BEST_QUALITY", 0, "Best Quality", "Use bicubic filtering (requires OpenGL 3.0+, "
                                                    "it will fall back on medium setting for other systems)"},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem prop_bump_space_items[] = {
        {0, "BUMP_VIEWSPACE", 0, "ViewSpace", ""},
        {MTEX_BUMP_OBJECTSPACE, "BUMP_OBJECTSPACE", 0, "ObjectSpace", ""},
        {MTEX_BUMP_TEXTURESPACE, "BUMP_TEXTURESPACE", 0, "TextureSpace", ""},
        {0, NULL, 0, NULL, NULL}};
    
    srna= RNA_def_struct(brna, "MaterialTextureSlot", "TextureSlot");
    RNA_def_struct_sdna(srna, "MTex");
    RNA_def_struct_ui_text(srna, "Material Texture Slot", "Texture slot for textures in a Material datablock");

    prop= RNA_def_property(srna, "texture_coords", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "texco");
    RNA_def_property_enum_items(prop, prop_texture_coordinates_items);
    RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_Material_texture_coordinates_itemf");
    RNA_def_property_ui_text(prop, "Texture Coordinates", "");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "object");
    RNA_def_property_struct_type(prop, "Object");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Object", "Object to use for mapping with Object texture coordinates");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "uv_layer", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "uvname");
    RNA_def_property_ui_text(prop, "UV Map", "UV map to use for mapping with UV texture coordinates");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use_from_dupli", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "texflag", MTEX_DUPLI_MAPTO);
    RNA_def_property_ui_text(prop, "From Dupli",
                             "Dupli's instanced from verts, faces or particles, inherit texture coordinate from their parent");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use_from_original", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "texflag", MTEX_OB_DUPLI_ORIG);
    RNA_def_property_ui_text(prop, "From Original",
                             "Dupli's derive their object coordinates from the original object's transformation");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use_map_color_diffuse", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_COL);
    RNA_def_property_ui_text(prop, "Diffuse Color", "The texture affects basic color of the material");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_normal", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_NORM);
    RNA_def_property_ui_text(prop, "Normal", "The texture affects the rendered normal");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_color_spec", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_COLSPEC);
    RNA_def_property_ui_text(prop, "Specular Color", "The texture affects the specularity color");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_mirror", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_COLMIR);
    RNA_def_property_ui_text(prop, "Mirror", "The texture affects the mirror color");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_diffuse", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_REF);
    RNA_def_property_ui_text(prop, "Diffuse", "The texture affects the value of diffuse reflectivity");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_specular", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_SPEC);
    RNA_def_property_ui_text(prop, "Specular", "The texture affects the value of specular reflectivity");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_ambient", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_AMB);
    RNA_def_property_ui_text(prop, "Ambient", "The texture affects the value of ambient");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_hardness", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_HAR);
    RNA_def_property_ui_text(prop, "Hardness", "The texture affects the hardness value");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_raymir", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_RAYMIRR);
    RNA_def_property_ui_text(prop, "Ray-Mirror", "The texture affects the ray-mirror value");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_alpha", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_ALPHA);
    RNA_def_property_ui_text(prop, "Alpha", "The texture affects the alpha value");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_emit", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_EMIT);
    RNA_def_property_ui_text(prop, "Emit", "The texture affects the emit value");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_translucency", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_TRANSLU);
    RNA_def_property_ui_text(prop, "Translucency", "The texture affects the translucency value");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_displacement", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_DISPLACE);
    RNA_def_property_ui_text(prop, "Displacement", "Let the texture displace the surface");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_warp", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_WARP);
    RNA_def_property_ui_text(prop, "Warp", "Let the texture warp texture coordinates of next channels");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "mapping_x", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "projx");
    RNA_def_property_enum_items(prop, prop_x_mapping_items);
    RNA_def_property_ui_text(prop, "X Mapping", "");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "mapping_y", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "projy");
    RNA_def_property_enum_items(prop, prop_y_mapping_items);
    RNA_def_property_ui_text(prop, "Y Mapping", "");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "mapping_z", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "projz");
    RNA_def_property_enum_items(prop, prop_z_mapping_items);
    RNA_def_property_ui_text(prop, "Z Mapping", "");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "mapping", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_mapping_items);
    RNA_def_property_ui_text(prop, "Mapping", "");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "normal_map_space", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "normapspace");
    RNA_def_property_enum_items(prop, prop_normal_map_space_items);
    RNA_def_property_ui_text(prop, "Normal Map Space", "Set space of normal map image");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "normal_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "norfac");
    RNA_def_property_ui_range(prop, -5, 5, 10, 3);
    RNA_def_property_ui_text(prop, "Normal Factor", "Amount texture affects normal values");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "displacement_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "dispfac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Displacement Factor", "Amount texture displaces the surface");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "warp_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "warpfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Warp Factor", "Amount texture affects texture coordinates of next channels");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "specular_color_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "colspecfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Specular Color Factor", "Amount texture affects specular color");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_color_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "colfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Diffuse Color Factor", "Amount texture affects diffuse color");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "mirror_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "mirrfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Mirror Factor", "Amount texture affects mirror color");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "alpha_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "alphafac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Alpha Factor", "Amount texture affects alpha");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "difffac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Diffuse Factor", "Amount texture affects diffuse reflectivity");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "specular_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "specfac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Specular Factor", "Amount texture affects specular reflectivity");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "emit_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "emitfac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Emit Factor", "Amount texture affects emission");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "hardness_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "hardfac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Hardness Factor", "Amount texture affects hardness");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "raymir_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "raymirrfac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Ray Mirror Factor", "Amount texture affects ray mirror");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "translucency_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "translfac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Translucency Factor", "Amount texture affects translucency");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "ambient_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "ambfac");
    RNA_def_property_ui_range(prop, -1, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Ambient Factor", "Amount texture affects ambient");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    /* volume material */
    prop= RNA_def_property(srna, "use_map_color_emission", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_EMISSION_COL);
    RNA_def_property_ui_text(prop, "Emission Color", "The texture affects the color of emission");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_color_reflection", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_REFLECTION_COL);
    RNA_def_property_ui_text(prop, "Reflection Color", "The texture affects the color of scattered light");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_color_transmission", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_TRANSMISSION_COL);
    RNA_def_property_ui_text(prop, "Transmission Color",
                             "The texture affects the result color after other light has been scattered/absorbed");
    RNA_def_property_update(prop, NC_TEXTURE, NULL);
    
    prop= RNA_def_property(srna, "use_map_density", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_DENSITY);
    RNA_def_property_ui_text(prop, "Density", "The texture affects the volume's density");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_emission", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_EMISSION);
    RNA_def_property_ui_text(prop, "Emission", "The texture affects the volume's emission");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_scatter", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_SCATTERING);
    RNA_def_property_ui_text(prop, "Scattering", "The texture affects the volume's scattering");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_map_reflect", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_REFLECTION);
    RNA_def_property_ui_text(prop, "Reflection", "The texture affects the reflected light's brightness");
    RNA_def_property_update(prop, NC_TEXTURE, NULL);
    
    prop= RNA_def_property(srna, "emission_color_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "colemitfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Emission Color Factor", "Amount texture affects emission color");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "reflection_color_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "colreflfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Reflection Color Factor", "Amount texture affects color of out-scattered light");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "transmission_color_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "coltransfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Transmission Color Factor",
                             "Amount texture affects result color after light has been scattered/absorbed");
    RNA_def_property_update(prop, NC_TEXTURE, NULL);
    
    prop= RNA_def_property(srna, "density_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "densfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Density Factor", "Amount texture affects density");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "emission_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "emitfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Emission Factor", "Amount texture affects emission");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "scattering_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "scatterfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Scattering Factor", "Amount texture affects scattering");
    RNA_def_property_update(prop, 0, "rna_Material_update");
                                  
    prop= RNA_def_property(srna, "reflection_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "reflfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Reflection Factor", "Amount texture affects brightness of out-scattered light");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    /* end volume material */
    
    prop= RNA_def_property(srna, "use", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_funcs(prop, "rna_MaterialTextureSlot_use_get", "rna_MaterialTextureSlot_use_set");
    RNA_def_property_ui_text(prop, "Enabled", "Enable this material texture slot");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "bump_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_bitflag_sdna(prop, NULL, "texflag");
    RNA_def_property_enum_items(prop, prop_bump_method_items);
    RNA_def_property_ui_text(prop, "Bump Method", "Method to use for bump mapping");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "bump_objectspace", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_bitflag_sdna(prop, NULL, "texflag");
    RNA_def_property_enum_items(prop, prop_bump_space_items);
    RNA_def_property_ui_text(prop, "Bump Space", "Space to apply bump mapping in");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_gamesettings(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    static EnumPropertyItem prop_alpha_blend_items[] = {
        {GEMAT_SOLID, "OPAQUE", 0, "Opaque", "Render color of textured face as color"},
        {GEMAT_ADD, "ADD", 0, "Add", "Render face transparent and add color of face"},
        {GEMAT_CLIP, "CLIP", 0, "Alpha Clip", "Use the image alpha values clipped with no blending (binary alpha)"},
        {GEMAT_ALPHA, "ALPHA", 0, "Alpha Blend", "Render polygon transparent, depending on alpha channel of the texture"},
        {GEMAT_ALPHA_SORT, "ALPHA_SORT", 0, "Alpha Sort", "Sort faces for correct alpha drawing (slow, use Alpha Clip instead when possible)"},     
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem prop_face_orientation_items[] = {
        {GEMAT_NORMAL,"NORMAL",0,"Normal","No tranformation"},
        {GEMAT_HALO, "HALO", 0, "Halo", "Screen aligned billboard"},
        {GEMAT_BILLBOARD, "BILLBOARD", 0, "Billboard", "Billboard with Z-axis constraint"},
        {GEMAT_SHADOW, "SHADOW", 0, "Shadow", "Faces are used for shadow"},     
        {0, NULL, 0, NULL, NULL}};
    
    srna= RNA_def_struct(brna, "MaterialGameSettings", NULL);
    RNA_def_struct_sdna(srna, "GameSettings");
    RNA_def_struct_nested(brna, srna, "Material");
    RNA_def_struct_ui_text(srna, "Material Game Settings", "Game Engine settings for a Material datablock");
    
    prop= RNA_def_property(srna, "use_backface_culling", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", GEMAT_BACKCULL); /* use bitflags */
    RNA_def_property_ui_text(prop, "Backface Culling", "Hide Back of the face in Game Engine ");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "text", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", GEMAT_TEXT); /* use bitflags */
    RNA_def_property_ui_text(prop, "Text", "Use material as text in Game Engine ");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "invisible", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", GEMAT_INVISIBLE); /* use bitflags */
    RNA_def_property_ui_text(prop, "Invisible", "Make face invisible");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "alpha_blend", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "alpha_blend");
    RNA_def_property_enum_items(prop, prop_alpha_blend_items);
    RNA_def_property_ui_text(prop, "Blend Mode", "Blend Mode for Transparent Faces");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "face_orientation", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_face_orientation_items);
    RNA_def_property_ui_text(prop, "Face Orientations", "Especial face orientation options");

    prop= RNA_def_property(srna, "physics", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", GEMAT_NOPHYSICS); /* use bitflags */
    RNA_def_property_ui_text(prop, "Physics", "Use physics properties of materials ");
}

static void rna_def_material_colors(StructRNA *srna)
{
    PropertyRNA *prop;

    static EnumPropertyItem prop_ramp_input_items[] = {
        {MA_RAMP_IN_SHADER, "SHADER", 0, "Shader", ""},
        {MA_RAMP_IN_ENERGY, "ENERGY", 0, "Energy", ""},
        {MA_RAMP_IN_NOR, "NORMAL", 0, "Normal", ""},
        {MA_RAMP_IN_RESULT, "RESULT", 0, "Result", ""},
        {0, NULL, 0, NULL, NULL}};

    prop= RNA_def_property(srna, "diffuse_color", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "r");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Diffuse Color", "Diffuse color of the material");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");
    
    prop= RNA_def_property(srna, "specular_color", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "specr");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Specular Color", "Specular color of the material");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");
    
    prop= RNA_def_property(srna, "mirror_color", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "mirr");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Mirror Color", "Mirror color of the material");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "alpha", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Alpha", "Alpha transparency of the material");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "specular_alpha", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "spectra");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Specular Alpha", "Alpha transparency for specular areas");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    /* Color bands */
    prop= RNA_def_property(srna, "use_diffuse_ramp", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_RAMP_COL);
    RNA_def_property_boolean_funcs(prop, NULL, "rna_Material_use_diffuse_ramp_set");
    RNA_def_property_ui_text(prop, "Use Diffuse Ramp", "Toggle diffuse ramp operations");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_ramp", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "ramp_col");
    RNA_def_property_struct_type(prop, "ColorRamp");
    RNA_def_property_ui_text(prop, "Diffuse Ramp", "Color ramp used to affect diffuse shading");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use_specular_ramp", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_RAMP_SPEC);
    RNA_def_property_boolean_funcs(prop, NULL, "rna_Material_use_specular_ramp_set");
    RNA_def_property_ui_text(prop, "Use Specular Ramp", "Toggle specular ramp operations");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "specular_ramp", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "ramp_spec");
    RNA_def_property_struct_type(prop, "ColorRamp");
    RNA_def_property_ui_text(prop, "Specular Ramp", "Color ramp used to affect specular shading");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "diffuse_ramp_blend", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "rampblend_col");
    RNA_def_property_enum_items(prop, ramp_blend_items);
    RNA_def_property_ui_text(prop, "Diffuse Ramp Blend", "Blending method of the ramp and the diffuse color");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "specular_ramp_blend", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "rampblend_spec");
    RNA_def_property_enum_items(prop, ramp_blend_items);
    RNA_def_property_ui_text(prop, "Specular Ramp Blend", "Blending method of the ramp and the specular color");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_ramp_input", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "rampin_col");
    RNA_def_property_enum_items(prop, prop_ramp_input_items);
    RNA_def_property_ui_text(prop, "Diffuse Ramp Input", "How the ramp maps on the surface");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "specular_ramp_input", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "rampin_spec");
    RNA_def_property_enum_items(prop, prop_ramp_input_items);
    RNA_def_property_ui_text(prop, "Specular Ramp Input", "How the ramp maps on the surface");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_ramp_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "rampfac_col");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Diffuse Ramp Factor", "Blending factor (also uses alpha in Colorband)");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "specular_ramp_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "rampfac_spec");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Specular Ramp Factor", "Blending factor (also uses alpha in Colorband)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_diffuse(StructRNA *srna)
{
    PropertyRNA *prop;

    static EnumPropertyItem prop_diff_shader_items[] = {
        {MA_DIFF_LAMBERT, "LAMBERT", 0, "Lambert", "Use a Lambertian shader"},
        {MA_DIFF_ORENNAYAR, "OREN_NAYAR", 0, "Oren-Nayar", "Use an Oren-Nayar shader"},
        {MA_DIFF_TOON, "TOON", 0, "Toon", "Use a toon shader"},
        {MA_DIFF_MINNAERT, "MINNAERT", 0, "Minnaert", "Use a Minnaert shader"},
        {MA_DIFF_FRESNEL, "FRESNEL", 0, "Fresnel", "Use a Fresnel shader"},
        {0, NULL, 0, NULL, NULL}};
    
    prop= RNA_def_property(srna, "diffuse_shader", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "diff_shader");
    RNA_def_property_enum_items(prop, prop_diff_shader_items);
    RNA_def_property_ui_text(prop, "Diffuse Shader Model", "");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "diffuse_intensity", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "ref");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Diffuse Intensity", "Amount of diffuse reflection");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");
    
    prop= RNA_def_property(srna, "roughness", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0.0f, 3.14f);
    RNA_def_property_ui_text(prop, "Roughness", "Oren-Nayar Roughness");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_toon_size", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "param[0]");
    RNA_def_property_range(prop, 0.0f, 3.14f);
    RNA_def_property_ui_text(prop, "Diffuse Toon Size", "Size of diffuse toon area");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_toon_smooth", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "param[1]");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Diffuse Toon Smooth", "Smoothness of diffuse toon area");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_fresnel", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "param[1]");
    RNA_def_property_range(prop, 0.0f, 5.0f);
    RNA_def_property_ui_text(prop, "Diffuse Fresnel", "Power of Fresnel");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "diffuse_fresnel_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "param[0]");
    RNA_def_property_range(prop, 0.0f, 5.0f);
    RNA_def_property_ui_text(prop, "Diffuse Fresnel Factor", "Blending factor of Fresnel");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "darkness", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0.0f, 2.0f);
    RNA_def_property_ui_text(prop, "Darkness", "Minnaert darkness");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_raymirror(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    static EnumPropertyItem prop_fadeto_mir_items[] = {
        {MA_RAYMIR_FADETOSKY, "FADE_TO_SKY", 0, "Sky", ""},
        {MA_RAYMIR_FADETOMAT, "FADE_TO_MATERIAL", 0, "Material", ""},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "MaterialRaytraceMirror", NULL);
    RNA_def_struct_sdna(srna, "Material");
    RNA_def_struct_nested(brna, srna, "Material");
    RNA_def_struct_ui_text(srna, "Material Raytrace Mirror", "Raytraced reflection settings for a Material datablock");

    prop= RNA_def_property(srna, "use", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_RAYMIRROR); /* use bitflags */
    RNA_def_property_ui_text(prop, "Enabled", "Enable raytraced reflections");
    RNA_def_property_update(prop, 0, "rna_Material_update");
        
    prop= RNA_def_property(srna, "reflect_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "ray_mirror");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Reflectivity", "Amount of mirror reflection for raytrace");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "fresnel", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "fresnel_mir");
    RNA_def_property_range(prop, 0.0f, 5.0f);
    RNA_def_property_ui_text(prop, "Fresnel", "Power of Fresnel for mirror reflection");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "fresnel_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "fresnel_mir_i");
    RNA_def_property_range(prop, 0.0f, 5.0f);
    RNA_def_property_ui_text(prop, "Fresnel Factor", "Blending factor for Fresnel");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "gloss_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "gloss_mir");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Gloss Amount",
                             "The shininess of the reflection (values < 1.0 give diffuse, blurry reflections)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "gloss_anisotropic", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "aniso_gloss_mir");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Gloss Anisotropy",
                             "The shape of the reflection, from 0.0 (circular) to 1.0 (fully stretched along the tangent");
    RNA_def_property_update(prop, 0, "rna_Material_update");
        
    prop= RNA_def_property(srna, "gloss_samples", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "samp_gloss_mir");
    RNA_def_property_range(prop, 0, 1024);
    RNA_def_property_ui_text(prop, "Gloss Samples", "Number of cone samples averaged for blurry reflections");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "gloss_threshold", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "adapt_thresh_mir");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Gloss Threshold",
                             "Threshold for adaptive sampling (if a sample contributes less than "
                             "this amount [as a percentage], sampling is stopped)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "depth", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "ray_depth");
    RNA_def_property_ui_range(prop, 0, 100, 1, 3);
    RNA_def_property_ui_text(prop, "Depth", "Maximum allowed number of light inter-reflections");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "distance", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "dist_mir");
    RNA_def_property_range(prop, 0.0f, 10000.0f);
    RNA_def_property_ui_text(prop, "Maximum Distance",
                             "Maximum distance of reflected rays (reflections further than this "
                             "range fade to sky color or material color)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "fade_to", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "fadeto_mir");
    RNA_def_property_enum_items(prop, prop_fadeto_mir_items);
    RNA_def_property_ui_text(prop, "Fade-out Color",
                             "The color that rays with no intersection within the Max Distance take "
                             "(material color can be best for indoor scenes, sky color for outdoor)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_raytra(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MaterialRaytraceTransparency", NULL);
    RNA_def_struct_sdna(srna, "Material");
    RNA_def_struct_nested(brna, srna, "Material");
    RNA_def_struct_ui_text(srna, "Material Raytrace Transparency", "Raytraced refraction settings for a Material datablock");

    prop= RNA_def_property(srna, "ior", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "ang");
    RNA_def_property_range(prop, 0.25f, 4.0f);
    RNA_def_property_ui_text(prop, "IOR", "Angular index of refraction for raytraced refraction");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "fresnel", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "fresnel_tra");
    RNA_def_property_range(prop, 0.0f, 5.0f);
    RNA_def_property_ui_text(prop, "Fresnel", "Power of Fresnel for transparency (Ray or ZTransp)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "fresnel_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "fresnel_tra_i");
    RNA_def_property_range(prop, 1.0f, 5.0f);
    RNA_def_property_ui_text(prop, "Fresnel Factor", "Blending factor for Fresnel");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "gloss_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "gloss_tra");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Gloss Amount",
                             "The clarity of the refraction. Values < 1.0 give diffuse, blurry refractions");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "gloss_samples", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "samp_gloss_tra");
    RNA_def_property_range(prop, 0, 1024);
    RNA_def_property_ui_text(prop, "Gloss Samples", "Number of cone samples averaged for blurry refractions");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "gloss_threshold", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "adapt_thresh_tra");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Gloss Threshold",
                             "Threshold for adaptive sampling. If a sample contributes less than "
                             "this amount (as a percentage), sampling is stopped");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "depth", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "ray_depth_tra");
    RNA_def_property_ui_range(prop, 0, 100, 1, 3);
    RNA_def_property_ui_text(prop, "Depth", "Maximum allowed number of light inter-refractions");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "filter", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "filter");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Filter",
                             "Amount to blend in the material's diffuse color in raytraced "
                             "transparency (simulating absorption)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "depth_max", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "tx_limit");
    RNA_def_property_range(prop, 0.0f, 100.0f);
    RNA_def_property_ui_text(prop, "Limit",
                             "Maximum depth for light to travel through the transparent material "
                             "before becoming fully filtered (0.0 is disabled)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "tx_falloff");
    RNA_def_property_range(prop, 0.1f, 10.0f);
    RNA_def_property_ui_text(prop, "Falloff", "Falloff power for transmissivity filter effect (1.0 is linear)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_volume(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    static EnumPropertyItem prop_lighting_items[] = {
        {MA_VOL_SHADE_SHADELESS, "SHADELESS", 0, "Shadeless", "Do not calculate lighting and shadows"},
        {MA_VOL_SHADE_SHADOWED, "SHADOWED", 0, "Shadowed", ""},
        {MA_VOL_SHADE_SHADED, "SHADED", 0, "Shaded", ""},
        {MA_VOL_SHADE_MULTIPLE, "MULTIPLE_SCATTERING", 0, "Multiple Scattering", ""},
        {MA_VOL_SHADE_SHADEDPLUSMULTIPLE, "SHADED_PLUS_MULTIPLE_SCATTERING", 0, "Shaded + Multiple Scattering", ""},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem prop_stepsize_items[] = {
        {MA_VOL_STEP_RANDOMIZED, "RANDOMIZED", 0, "Randomized", ""},
        {MA_VOL_STEP_CONSTANT, "CONSTANT", 0, "Constant", ""},
        //{MA_VOL_STEP_ADAPTIVE, "ADAPTIVE", 0, "Adaptive", ""},
        {0, NULL, 0, NULL, NULL}};
        
    srna= RNA_def_struct(brna, "MaterialVolume", NULL);
    RNA_def_struct_sdna(srna, "VolumeSettings");
    RNA_def_struct_nested(brna, srna, "Material");
    RNA_def_struct_ui_text(srna, "Material Volume", "Volume rendering settings for a Material datablock");
    
    prop= RNA_def_property(srna, "step_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "stepsize_type");
    RNA_def_property_enum_items(prop, prop_stepsize_items);
    RNA_def_property_ui_text(prop, "Step Calculation", "Method of calculating the steps through the volume");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "step_size", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "stepsize");
    RNA_def_property_range(prop, 0.0f, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.001f, 1.0f, 1, 3);
    RNA_def_property_ui_text(prop, "Step Size", "Distance between subsequent volume depth samples");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "light_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "shade_type");
    RNA_def_property_enum_items(prop, prop_lighting_items);
    RNA_def_property_ui_text(prop, "Lighting Mode", "Method of shading, attenuating, and scattering light through the volume");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_external_shadows", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shadeflag", MA_VOL_RECV_EXT_SHADOW); /* use bitflags */
    RNA_def_property_ui_text(prop, "External Shadows", "Receive shadows from sources outside the volume (temporary)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_light_cache", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shadeflag", MA_VOL_PRECACHESHADING); /* use bitflags */
    RNA_def_property_ui_text(prop, "Light Cache",
                             "Pre-calculate the shading information into a voxel grid, "
                             "speeds up shading at slightly less accuracy");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "cache_resolution", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "precache_resolution");
    RNA_def_property_range(prop, 1, 1024);
    RNA_def_property_ui_text(prop, "Resolution",
                             "Resolution of the voxel grid, low resolutions are faster, high resolutions use more memory");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "ms_diffusion", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "ms_diff");
    RNA_def_property_range(prop, 0.0f, FLT_MAX);
    RNA_def_property_ui_text(prop, "Diffusion", "Diffusion factor, the strength of the blurring effect");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "ms_spread", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "ms_spread");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0f, 1.0f, 1, 3);
    RNA_def_property_ui_text(prop, "Spread", "Proportional distance over which the light is diffused");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "ms_intensity", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "ms_intensity");
    RNA_def_property_range(prop, 0.0f, FLT_MAX);
    RNA_def_property_ui_text(prop, "Intensity", "Multiplier for multiple scattered light energy");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "depth_threshold", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "depth_cutoff");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Depth Cutoff",
                             "Stop ray marching early if transmission drops below this luminance - "
                             "higher values give speedups in dense volumes at the expense of accuracy");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "density", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "density");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Density", "The base density of the volume");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "density_scale", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "density_scale");
    RNA_def_property_range(prop, 0.0f, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0f, 10.0f, 1, 3);
    RNA_def_property_ui_text(prop, "Density Scale", "Multiplier for the material's density");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "scattering", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "scattering");
    RNA_def_property_range(prop, 0.0f, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0f, 10.0f, 1 ,3);
    RNA_def_property_ui_text(prop, "Scattering",
                             "Amount of light that gets scattered out by the volume - "
                             "the more out-scattering, the shallower the light will penetrate");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "transmission_color", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "transmission_col");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Transmission Color",
                             "Result color of the volume, after other light has been scattered/absorbed");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");
    
    prop= RNA_def_property(srna, "reflection_color", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "reflection_col");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Reflection Color",
                             "Color of light scattered out of the volume (does not affect transmission)");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");
    
    prop= RNA_def_property(srna, "reflection", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "reflection");
    RNA_def_property_range(prop, 0.0f, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0f, 100.0f, 1 ,3);
    RNA_def_property_ui_text(prop, "Reflection",
                             "Multiplier to make out-scattered light brighter or darker (non-physically correct)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "emission_color", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "emission_col");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Emission Color", "Color of emitted light");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");
    
    prop= RNA_def_property(srna, "emission", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "emission");
    RNA_def_property_range(prop, 0.0f, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0f, 10.0f, 1, 3);
    RNA_def_property_ui_text(prop, "Emission", "Amount of light that gets emitted by the volume");
    RNA_def_property_update(prop, 0, "rna_Material_update");
        
    prop= RNA_def_property(srna, "asymmetry", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "asymmetry");
    RNA_def_property_range(prop, -1.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Asymmetry", "Back scattering (-1.0) to Forward scattering (1.0) and the range in between");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}


static void rna_def_material_halo(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MaterialHalo", NULL);
    RNA_def_struct_sdna(srna, "Material");
    RNA_def_struct_nested(brna, srna, "Material");
    RNA_def_struct_ui_text(srna, "Material Halo", "Halo particle effect settings for a Material datablock");

    prop= RNA_def_property(srna, "size", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "hasize");
    RNA_def_property_range(prop, 0.0f, 100.0f);
    RNA_def_property_ui_text(prop, "Size", "Dimension of the halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "hardness", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "har");
    RNA_def_property_range(prop, 0, 127);
    RNA_def_property_ui_text(prop, "Hardness", "Hardness of the halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "add", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "add");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Add", "Strength of the add effect");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "ring_count", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "ringc");
    RNA_def_property_range(prop, 0, 24);
    RNA_def_property_ui_text(prop, "Rings", "Number of rings rendered over the halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "line_count", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "linec");
    RNA_def_property_range(prop, 0, 250);
    RNA_def_property_ui_text(prop, "Line Number", "Number of star shaped lines rendered over the halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "star_tip_count", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "starc");
    RNA_def_property_range(prop, 3, 50);
    RNA_def_property_ui_text(prop, "Star Tips", "Number of points on the star shaped halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "seed", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "seed1");
    RNA_def_property_range(prop, 0, 255);
    RNA_def_property_ui_text(prop, "Seed", "Randomize ring dimension and line location");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_flare_mode", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_HALO_FLARE); /* use bitflags */
    RNA_def_property_ui_text(prop, "Flare", "Render halo as a lens flare");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "flare_size", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "flaresize");
    RNA_def_property_range(prop, 0.1f, 25.0f);
    RNA_def_property_ui_text(prop, "Flare Size", "Factor by which the flare is larger than the halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "flare_subflare_size", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "subsize");
    RNA_def_property_range(prop, 0.1f, 25.0f);
    RNA_def_property_ui_text(prop, "Flare Subsize", "Dimension of the sub-flares, dots and circles");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "flare_boost", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "flareboost");
    RNA_def_property_range(prop, 0.1f, 10.0f);
    RNA_def_property_ui_text(prop, "Flare Boost", "Give the flare extra strength");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "flare_seed", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "seed2");
    RNA_def_property_range(prop, 0, 255);
    RNA_def_property_ui_text(prop, "Flare Seed", "Offset in the flare seed table");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "flare_subflare_count", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "flarec");
    RNA_def_property_range(prop, 1, 32);
    RNA_def_property_ui_text(prop, "Flares Sub", "Number of sub-flares");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_ring", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_HALO_RINGS);
    RNA_def_property_ui_text(prop, "Rings", "Render rings over halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_lines", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_HALO_LINES);
    RNA_def_property_ui_text(prop, "Lines", "Render star shaped lines over halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_star", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_STAR);
    RNA_def_property_ui_text(prop, "Star", "Render halo as a star");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_texture", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_HALOTEX);
    RNA_def_property_ui_text(prop, "Texture", "Give halo a texture");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_vertex_normal", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_HALOPUNO);
    RNA_def_property_ui_text(prop, "Vertex Normal", "Use the vertex normal to specify the dimension of the halo");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_extreme_alpha", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_HALO_XALPHA);
    RNA_def_property_ui_text(prop, "Extreme Alpha", "Use extreme alpha");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_shaded", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_HALO_SHADE);
    RNA_def_property_ui_text(prop, "Shaded", "Let halo receive light and shadows from external objects");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_soft", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_HALO_SOFT);
    RNA_def_property_ui_text(prop, "Soft", "Soften the edges of halos at intersections with other geometry");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_sss(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MaterialSubsurfaceScattering", NULL);
    RNA_def_struct_sdna(srna, "Material");
    RNA_def_struct_nested(brna, srna, "Material");
    RNA_def_struct_ui_text(srna, "Material Subsurface Scattering",
                           "Diffuse subsurface scattering settings for a Material datablock");

    prop= RNA_def_property(srna, "radius", PROP_FLOAT, PROP_COLOR|PROP_UNIT_LENGTH);
    RNA_def_property_float_sdna(prop, NULL, "sss_radius");
    RNA_def_property_range(prop, 0.001, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.001, 10000, 1, 3);
    RNA_def_property_ui_text(prop, "Radius", "Mean red/green/blue scattering path length");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "color", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "sss_col");
    RNA_def_property_ui_text(prop, "Color", "Scattering color");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "error_threshold", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "sss_error");
    RNA_def_property_ui_range(prop, 0.0001, 10, 1, 3);
    RNA_def_property_ui_text(prop, "Error Tolerance", "Error tolerance (low values are slower and higher quality)");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "scale", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "sss_scale");
    RNA_def_property_ui_range(prop, 0.001, 1000, 1, 3);
    RNA_def_property_ui_text(prop, "Scale", "Object scale factor");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "ior", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "sss_ior");
    RNA_def_property_ui_range(prop, 0.1, 2, 1, 3);
    RNA_def_property_ui_text(prop, "IOR", "Index of refraction (higher values are denser)");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "color_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "sss_colfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Color Factor", "Blend factor for SSS colors");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "texture_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "sss_texfac");
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Texture Factor", "Texture scattering blend factor");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "front", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "sss_front");
    RNA_def_property_range(prop, 0, 2);
    RNA_def_property_ui_text(prop, "Front", "Front scattering weight");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "back", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "sss_back");
    RNA_def_property_range(prop, 0, 10);
    RNA_def_property_ui_text(prop, "Back", "Back scattering weight");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "sss_flag", MA_DIFF_SSS);
    RNA_def_property_ui_text(prop, "Enabled", "Enable diffuse subsurface scatting effects in a material");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_specularity(StructRNA *srna)
{
    PropertyRNA *prop;
    
    static EnumPropertyItem prop_specular_shader_items[] = {
        {MA_SPEC_COOKTORR, "COOKTORR", 0, "CookTorr", "Use a Cook-Torrance shader"},
        {MA_SPEC_PHONG, "PHONG", 0, "Phong", "Use a Phong shader"},
        {MA_SPEC_BLINN, "BLINN", 0, "Blinn", "Use a Blinn shader"},
        {MA_SPEC_TOON, "TOON", 0, "Toon", "Use a toon shader"},
        {MA_SPEC_WARDISO, "WARDISO", 0, "WardIso", "Use a Ward anisotropic shader"},
        {0, NULL, 0, NULL, NULL}};
    
    prop= RNA_def_property(srna, "specular_shader", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "spec_shader");
    RNA_def_property_enum_items(prop, prop_specular_shader_items);
    RNA_def_property_ui_text(prop, "Specular Shader Model", "");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "specular_intensity", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "spec");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Specular Intensity", "How intense (bright) the specular reflection is");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    /* NOTE: "har", "param", etc are used for multiple purposes depending on
     * settings. This should be fixed in DNA once, for RNA we just expose them
     * multiple times, which may give somewhat strange changes in the outliner,
     * but in the UI they are never visible at the same time. */

    prop= RNA_def_property(srna, "specular_hardness", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "har");
    RNA_def_property_range(prop, 1, 511);
    RNA_def_property_ui_text(prop, "Specular Hardness", "How hard (sharp) the specular reflection is");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "specular_ior", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "refrac");
    RNA_def_property_range(prop, 1, 10);
    RNA_def_property_ui_text(prop, "Specular IOR", "Specular index of refraction");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "specular_toon_size", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "param[2]");
    RNA_def_property_range(prop, 0.0f, 1.53f);
    RNA_def_property_ui_text(prop, "Specular Toon Size", "Size of specular toon area");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "specular_toon_smooth", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "param[3]");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Specular Toon Smooth", "Smoothness of specular toon area");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "specular_slope", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "rms");
    RNA_def_property_range(prop, 0, 0.4);
    RNA_def_property_ui_text(prop, "Specular Slope", "The standard deviation of surface slope");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_strand(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MaterialStrand", NULL);
    RNA_def_struct_sdna(srna, "Material");
    RNA_def_struct_nested(brna, srna, "Material");
    RNA_def_struct_ui_text(srna, "Material Strand", "Strand settings for a Material datablock");

    prop= RNA_def_property(srna, "use_tangent_shading", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_TANGENT_STR);
    RNA_def_property_ui_text(prop, "Tangent Shading", "Use direction of strands as normal for tangent-shading");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    /* this flag is only set when rendering, not to be edited manually */
    prop= RNA_def_property(srna, "use_surface_diffuse", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_STR_SURFDIFF);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Surface Diffuse", "Make diffuse shading more similar to shading the surface");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "blend_distance", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "strand_surfnor");
    RNA_def_property_range(prop, 0, 10);
    RNA_def_property_ui_text(prop, "Blend Distance", "Worldspace distance over which to blend in the surface normal");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use_blender_units", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_STR_B_UNITS);
    RNA_def_property_ui_text(prop, "Blender Units", "Use Blender units for widths instead of pixels");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "root_size", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "strand_sta");
    RNA_def_property_float_funcs(prop, NULL, NULL, "rna_MaterialStrand_start_size_range");
    RNA_def_property_ui_range(prop, 0, 10.0f, 10, 5);
    RNA_def_property_ui_text(prop, "Root Size", "Start size of strands in pixels or Blender units");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "tip_size", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "strand_end");
    RNA_def_property_ui_range(prop, 0, 10.0f, 10, 5);
    RNA_def_property_float_funcs(prop, NULL, NULL, "rna_MaterialStrand_end_size_range");
    RNA_def_property_ui_text(prop, "Tip Size", "End size of strands in pixels or Blender units");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "size_min", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "strand_min");
    RNA_def_property_range(prop, 0.001, 10);
    RNA_def_property_ui_text(prop, "Minimum Size", "Minimum size of strands in pixels");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "shape", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "strand_ease");
    RNA_def_property_range(prop, -0.9, 0.9);
    RNA_def_property_ui_text(prop, "Shape", "Positive values make strands rounder, negative ones make strands spiky");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "width_fade", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "strand_widthfade");
    RNA_def_property_range(prop, 0, 2);
    RNA_def_property_ui_text(prop, "Width Fade", "Transparency along the width of the strand");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "uv_layer", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "strand_uvname");
    RNA_def_property_ui_text(prop, "UV Map", "Name of UV map to override");
    RNA_def_property_update(prop, 0, "rna_Material_update");
}

static void rna_def_material_physics(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    
    srna= RNA_def_struct(brna, "MaterialPhysics", NULL);
    RNA_def_struct_sdna(srna, "Material");
    RNA_def_struct_nested(brna, srna, "Material");
    RNA_def_struct_ui_text(srna, "Material Physics", "Physics settings for a Material datablock");
    
    prop= RNA_def_property(srna, "friction", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "friction");
    RNA_def_property_range(prop, 0, 100);
    RNA_def_property_ui_text(prop, "Friction", "Coulomb friction coefficient, when inside the physics distance area");

    prop= RNA_def_property(srna, "elasticity", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "reflect");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Elasticity", "Elasticity of collisions");

    /* FH/Force Field Settings */
    prop= RNA_def_property(srna, "use_fh_normal", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "dynamode", MA_FH_NOR);
    RNA_def_property_ui_text(prop, "Align to Normal",
                             "Align dynamic game objects along the surface normal, when inside the physics distance area");

    prop= RNA_def_property(srna, "fh_force", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "fh");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 10, 2);
    RNA_def_property_ui_text(prop, "Force", "Upward spring force, when inside the physics distance area");
    
    prop= RNA_def_property(srna, "fh_distance", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "fhdist");
    RNA_def_property_range(prop, 0, 20);
    RNA_def_property_ui_text(prop, "Distance", "Distance of the physics area");
    
    prop= RNA_def_property(srna, "fh_damping", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "xyfrict");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Damping", "Damping of the spring force, when inside the physics distance area");
}

void RNA_def_material(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    static EnumPropertyItem prop_type_items[] = {
        {MA_TYPE_SURFACE, "SURFACE", 0, "Surface", "Render object as a surface"},
        {MA_TYPE_WIRE, "WIRE", 0, "Wire", "Render the edges of faces as wires (not supported in raytracing)"},
        {MA_TYPE_VOLUME, "VOLUME", 0, "Volume", "Render object as a volume"},
        {MA_TYPE_HALO, "HALO", 0, "Halo", "Render object as halo particles"},
        {0, NULL, 0, NULL, NULL}};
    static EnumPropertyItem transparency_items[] = {
        {0, "MASK", 0, "Mask", "Mask the background"},
        {MA_ZTRANSP, "Z_TRANSPARENCY", 0, "Z Transparency", "Use alpha buffer for transparent faces"},
        {MA_RAYTRANSP, "RAYTRACE", 0, "Raytrace", "Use raytracing for transparent refraction rendering"},
        {0, NULL, 0, NULL, NULL}};
    
    /* Render Preview Types */
    static EnumPropertyItem preview_type_items[] = {
        {MA_FLAT, "FLAT", ICON_MATPLANE, "Flat", "Flat XY plane"},
        {MA_SPHERE, "SPHERE", ICON_MATSPHERE, "Sphere", "Sphere"},
        {MA_CUBE, "CUBE", ICON_MATCUBE, "Cube", "Cube"},
        {MA_MONKEY, "MONKEY", ICON_MONKEY, "Monkey", "Monkey"},
        {MA_HAIR, "HAIR", ICON_HAIR, "Hair", "Hair strands"},
        {MA_SPHERE_A, "SPHERE_A", ICON_MAT_SPHERE_SKY, "World Sphere", "Large sphere with sky"},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem prop_shadows_only_items[] = {
        {MA_SO_OLD, "SHADOW_ONLY_OLD", 0, "Shadow and Distance", "Old shadow only method"},
        {MA_SO_SHADOW, "SHADOW_ONLY", 0, "Shadow Only", "Improved shadow only method"},
        {MA_SO_SHADED, "SHADOW_ONLY_SHADED", 0, "Shadow and Shading",
                       "Improved shadow only method which also renders lightless areas as shadows"},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "Material", "ID");
    RNA_def_struct_ui_text(srna, "Material",
                           "Material datablock to define the appearance of geometric objects for rendering");
    RNA_def_struct_ui_icon(srna, ICON_MATERIAL_DATA);
    
    prop= RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "material_type");
    RNA_def_property_enum_items(prop, prop_type_items);
    RNA_def_property_ui_text(prop, "Type", "Material type defining how the object is rendered");
    RNA_def_property_enum_funcs(prop, NULL, "rna_Material_type_set", NULL);
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "use_transparency", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_TRANSP);
    RNA_def_property_ui_text(prop, "Transparency", "Render material as transparent");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "transparency_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_bitflag_sdna(prop, NULL, "mode");
    RNA_def_property_enum_items(prop, transparency_items);
    RNA_def_property_ui_text(prop, "Transparency Method", "Method to use for rendering transparency");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    /* For Preview Render */
    prop= RNA_def_property(srna, "preview_render_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "pr_type");
    RNA_def_property_enum_items(prop, preview_type_items);
    RNA_def_property_ui_text(prop, "Preview render type", "Type of preview render");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "ambient", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "amb");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Ambient", "Amount of global ambient color the material receives");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "emit", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 2.0f, 1, 2);
    RNA_def_property_ui_text(prop, "Emit", "Amount of light to emit");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "translucency", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Translucency", "Amount of diffuse shading on the back side");
    RNA_def_property_update(prop, 0, "rna_Material_update");
        
    prop= RNA_def_property(srna, "use_cubic", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shade_flag", MA_CUBIC);
    RNA_def_property_ui_text(prop, "Cubic Interpolation",
                             "Use cubic interpolation for diffuse values, for smoother transitions");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_object_color", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shade_flag", MA_OBCOLOR);
    RNA_def_property_ui_text(prop, "Object Color", "Modulate the result with a per-object color");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");

    prop= RNA_def_property(srna, "shadow_ray_bias", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "sbias");
    RNA_def_property_range(prop, 0, 0.25);
    RNA_def_property_ui_text(prop, "Shadow Ray Bias",
                             "Shadow raytracing bias to prevent terminator problems on shadow boundary");

    prop= RNA_def_property(srna, "shadow_buffer_bias", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "lbias");
    RNA_def_property_range(prop, 0, 10);
    RNA_def_property_ui_text(prop, "Shadow Buffer Bias", "Factor to multiply shadow buffer bias with (0 is ignore)");

    prop= RNA_def_property(srna, "shadow_cast_alpha", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "shad_alpha");
    RNA_def_property_range(prop, 0.001, 1);
    RNA_def_property_ui_text(prop, "Shadow Casting Alpha",
                             "Shadow casting alpha, in use for Irregular and Deep shadow buffer");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "light_group", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "group");
    RNA_def_property_struct_type(prop, "Group");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Light Group", "Limit lighting to lamps in this Group");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "pass_index", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "index");
    RNA_def_property_ui_text(prop, "Pass Index", "Index number for the IndexMA render pass");
    RNA_def_property_update(prop, NC_OBJECT, NULL);

    /* flags */
    
    prop= RNA_def_property(srna, "use_light_group_exclusive", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_GROUP_NOLAY);
    RNA_def_property_ui_text(prop, "Light Group Exclusive",
                             "Material uses the light group exclusively - these lamps are excluded from other scene lighting");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_raytrace", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_TRACEBLE);
    RNA_def_property_ui_text(prop, "Traceable",
                             "Include this material and geometry that uses it in raytracing calculations");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_shadows", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_SHADOW);
    RNA_def_property_ui_text(prop, "Shadows", "Allow this material to receive shadows");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_shadeless", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_SHLESS);
    RNA_def_property_ui_text(prop, "Shadeless", "Make this material insensitive to light or shadow");
    RNA_def_property_update(prop, 0, "rna_Material_draw_update");
    
    prop= RNA_def_property(srna, "use_vertex_color_light", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_VERTEXCOL);
    RNA_def_property_ui_text(prop, "Vertex Color Light", "Add vertex colors as additional lighting");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use_vertex_color_paint", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_VERTEXCOLP);
    RNA_def_property_ui_text(prop, "Vertex Color Paint",
                             "Replace object base color with vertex colors (multiply with "
                             "'texture face' face assigned textures)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "invert_z", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_ZINV);
    RNA_def_property_ui_text(prop, "Invert Z Depth", "Render material's faces with an inverted Z buffer (scanline only)");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "offset_z", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "zoffs");
    RNA_def_property_ui_text(prop, "Z Offset", "Give faces an artificial offset in the Z buffer for Z transparency");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_sky", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_ENV);
    RNA_def_property_ui_text(prop, "Sky",
                             "Render this material with zero alpha, with sky background in place (scanline only)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_only_shadow", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_ONLYSHADOW);
    RNA_def_property_ui_text(prop, "Only Shadow",
                             "Render shadows as the material's alpha value, making the material "
                             "transparent except for shadowed areas");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "shadow_only_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_bitflag_sdna(prop, NULL, "shadowonly_flag");
    RNA_def_property_enum_items(prop, prop_shadows_only_items);
    RNA_def_property_ui_text(prop, "Shadow Type", "How to draw shadows");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_face_texture", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_FACETEXTURE);
    RNA_def_property_ui_text(prop, "Face Textures",
                             "Replace the object's base color with color from UV map image textures");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_face_texture_alpha", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_FACETEXTURE_ALPHA);
    RNA_def_property_ui_text(prop, "Face Textures Alpha",
                             "Replace the object's base alpha value with alpha from UV map image textures");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_cast_shadows_only", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_ONLYCAST);
    RNA_def_property_ui_text(prop, "Cast Shadows Only",
                             "Make objects with this material appear invisible (not rendered), only casting shadows");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_mist", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "mode", MA_NOMIST);
    RNA_def_property_ui_text(prop, "Use Mist", "Use mist with this material (in world settings)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_transparent_shadows", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_SHADOW_TRA);
    RNA_def_property_ui_text(prop, "Receive Transparent Shadows",
                             "Allow this object to receive transparent shadows cast through other objects");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_ray_shadow_bias", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_RAYBIAS);
    RNA_def_property_ui_text(prop, "Ray Shadow Bias",
                             "Prevent raytraced shadow errors on surfaces with smooth shaded normals (terminator problem)");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_full_oversampling", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_FULL_OSA);
    RNA_def_property_ui_text(prop, "Full Oversampling",
                             "Force this material to render full shading/textures for all anti-aliasing samples");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use_cast_buffer_shadows", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_SHADBUF);
    RNA_def_property_ui_text(prop, "Cast Buffer Shadows",
                             "Allow this material to cast shadows from shadow buffer lamps");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    prop= RNA_def_property(srna, "use_cast_approximate", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shade_flag", MA_APPROX_OCCLUSION);
    RNA_def_property_ui_text(prop, "Cast Approximate",
                             "Allow this material to cast shadows when using approximate ambient occlusion");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    prop= RNA_def_property(srna, "use_tangent_shading", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_TANGENT_V);
    RNA_def_property_ui_text(prop, "Tangent Shading",
                             "Use the material's tangent vector instead of the normal for shading "
                             "- for anisotropic shading effects");
    RNA_def_property_update(prop, 0, "rna_Material_update");
    
    /* nested structs */
    prop= RNA_def_property(srna, "raytrace_mirror", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "MaterialRaytraceMirror");
    RNA_def_property_pointer_funcs(prop, "rna_Material_mirror_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Raytrace Mirror", "Raytraced reflection settings for the material");

    prop= RNA_def_property(srna, "raytrace_transparency", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "MaterialRaytraceTransparency");
    RNA_def_property_pointer_funcs(prop, "rna_Material_transp_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Raytrace Transparency", "Raytraced transparency settings for the material");

    prop= RNA_def_property(srna, "volume", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_pointer_sdna(prop, NULL, "vol");
    RNA_def_property_struct_type(prop, "MaterialVolume");
    RNA_def_property_ui_text(prop, "Volume", "Volume settings for the material");

    prop= RNA_def_property(srna, "halo", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "MaterialHalo");
    RNA_def_property_pointer_funcs(prop, "rna_Material_halo_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Halo", "Halo settings for the material");

    prop= RNA_def_property(srna, "subsurface_scattering", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "MaterialSubsurfaceScattering");
    RNA_def_property_pointer_funcs(prop, "rna_Material_sss_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Subsurface Scattering", "Subsurface scattering settings for the material");

    prop= RNA_def_property(srna, "strand", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "MaterialStrand");
    RNA_def_property_pointer_funcs(prop, "rna_Material_strand_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Strand", "Strand settings for the material");
    
    prop= RNA_def_property(srna, "physics", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "MaterialPhysics");
    RNA_def_property_pointer_funcs(prop, "rna_Material_physics_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Physics", "Game physics settings");

    /* game settings */
    prop= RNA_def_property(srna, "game_settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_pointer_sdna(prop, NULL, "game");
    RNA_def_property_struct_type(prop, "MaterialGameSettings");
    RNA_def_property_ui_text(prop, "Game Settings", "Game material settings");

    /* nodetree */
    prop= RNA_def_property(srna, "node_tree", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "nodetree");
    RNA_def_property_ui_text(prop, "Node Tree", "Node tree for node based materials");

    prop= RNA_def_property(srna, "use_nodes", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "use_nodes", 1);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Use Nodes", "Use shader nodes to render the material");
    RNA_def_property_update(prop, 0, "rna_Material_use_nodes_update");

    prop= RNA_def_property(srna, "active_node_material", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "Material");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_pointer_funcs(prop, "rna_Material_active_node_material_get",
                                   "rna_Material_active_node_material_set", NULL, NULL);
    RNA_def_property_ui_text(prop, "Material", "Active node material");
    RNA_def_property_update(prop, NC_MATERIAL, NULL);

    /* common */
    rna_def_animdata_common(srna);
    rna_def_mtex_common(brna, srna, "rna_Material_mtex_begin", "rna_Material_active_texture_get",
        "rna_Material_active_texture_set", "rna_Material_active_texture_editable",
        "MaterialTextureSlot", "MaterialTextureSlots", "rna_Material_update");

    /* only material has this one */
    prop= RNA_def_property(srna, "use_textures", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "septex", 1);
    RNA_def_property_array(prop, 18);
    RNA_def_property_ui_text(prop, "Use Textures", "Enable/Disable each texture");
    RNA_def_property_update(prop, 0, "rna_Material_update");

    rna_def_material_colors(srna);
    rna_def_material_diffuse(srna);
    rna_def_material_specularity(srna);

    /* nested structs */
    rna_def_material_raymirror(brna);
    rna_def_material_raytra(brna);
    rna_def_material_volume(brna);
    rna_def_material_halo(brna);
    rna_def_material_sss(brna);
    rna_def_material_mtex(brna);
    rna_def_material_strand(brna);
    rna_def_material_physics(brna);
    rna_def_material_gamesettings(brna);

    RNA_api_material(srna);
}


static void rna_def_texture_slots(BlenderRNA *brna, PropertyRNA *cprop, const char *structname, const char *structname_slots)
{
    StructRNA *srna;

    FunctionRNA *func;
    PropertyRNA *parm;

    RNA_def_property_srna(cprop, structname_slots);
    srna= RNA_def_struct(brna, structname_slots, NULL);
    RNA_def_struct_sdna(srna, "ID");
    RNA_def_struct_ui_text(srna, "Texture Slots", "Collection of texture slots");

    /* functions */
    func= RNA_def_function(srna, "add", "rna_mtex_texture_slots_add");
    RNA_def_function_flag(func, FUNC_USE_SELF_ID|FUNC_NO_SELF|FUNC_USE_CONTEXT|FUNC_USE_REPORTS);
    parm= RNA_def_pointer(func, "mtex", structname, "", "The newly initialized mtex");
    RNA_def_function_return(func, parm);
    
    func= RNA_def_function(srna, "create", "rna_mtex_texture_slots_create");
    RNA_def_function_flag(func, FUNC_USE_SELF_ID|FUNC_NO_SELF|FUNC_USE_CONTEXT|FUNC_USE_REPORTS);
    parm= RNA_def_int(func, "index", 0, 0, INT_MAX, "Index", "Slot index to initialize", 0, INT_MAX);
    RNA_def_property_flag(parm, PROP_REQUIRED);
    parm= RNA_def_pointer(func, "mtex", structname, "", "The newly initialized mtex");
    RNA_def_function_return(func, parm);
    
    func= RNA_def_function(srna, "clear", "rna_mtex_texture_slots_clear");
    RNA_def_function_flag(func, FUNC_USE_SELF_ID|FUNC_NO_SELF|FUNC_USE_CONTEXT|FUNC_USE_REPORTS);
    parm= RNA_def_int(func, "index", 0, 0, INT_MAX, "Index", "Slot index to clear", 0, INT_MAX);
    RNA_def_property_flag(parm, PROP_REQUIRED);
}

void rna_def_mtex_common(BlenderRNA *brna, StructRNA *srna, const char *begin,
    const char *activeget, const char *activeset, const char *activeeditable,
    const char *structname, const char *structname_slots, const char *update)
{
    PropertyRNA *prop;

    /* mtex */
    prop= RNA_def_property(srna, "texture_slots", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_struct_type(prop, structname);
    RNA_def_property_collection_funcs(prop, begin, "rna_iterator_array_next", "rna_iterator_array_end", "rna_iterator_array_dereference_get", NULL, NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Textures", "Texture slots defining the mapping and influence of textures");
    rna_def_texture_slots(brna, prop, structname, structname_slots);

    prop= RNA_def_property(srna, "active_texture", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "Texture");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    if(activeeditable)
        RNA_def_property_editable_func(prop, activeeditable);
    RNA_def_property_pointer_funcs(prop, activeget, activeset, NULL, NULL);
    RNA_def_property_ui_text(prop, "Active Texture", "Active texture slot being displayed");
    RNA_def_property_update(prop, 0, update);

    prop= RNA_def_property(srna, "active_texture_index", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "texact");
    RNA_def_property_range(prop, 0, MAX_MTEX-1);
    RNA_def_property_ui_text(prop, "Active Texture Index", "Index of active texture slot");
    RNA_def_property_update(prop, 0, update);
}

#endif