rna_modifier.c

Go to the documentation of this file.

/*
 * ***** 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), Juho Veps‰l‰inen
 *
 * ***** END GPL LICENSE BLOCK *****
 */

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

#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "rna_internal.h"

#include "DNA_armature_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_object_force.h"
#include "DNA_scene_types.h"

#include "MEM_guardedalloc.h"

#include "BLI_math.h"

#include "BKE_animsys.h"
#include "BKE_bmesh.h" /* For BevelModifierData */
#include "BKE_dynamicpaint.h"
#include "BKE_multires.h"
#include "BKE_smoke.h" /* For smokeModifier_free & smokeModifier_createType */

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

EnumPropertyItem modifier_type_items[] ={
    {0, "", 0, "Modify", ""},
    {eModifierType_UVProject, "UV_PROJECT", ICON_MOD_UVPROJECT, "UV Project", ""},
    {eModifierType_WeightVGEdit, "VERTEX_WEIGHT_EDIT", ICON_MOD_VERTEX_WEIGHT, "Vertex Weight Edit", ""},
    {eModifierType_WeightVGMix, "VERTEX_WEIGHT_MIX", ICON_MOD_VERTEX_WEIGHT, "Vertex Weight Mix", ""},
    {eModifierType_WeightVGProximity, "VERTEX_WEIGHT_PROXIMITY", ICON_MOD_VERTEX_WEIGHT, "Vertex Weight Proximity", ""},
    {0, "", 0, "Generate", ""},
    {eModifierType_Array, "ARRAY", ICON_MOD_ARRAY, "Array", ""},
    {eModifierType_Bevel, "BEVEL", ICON_MOD_BEVEL, "Bevel", ""},
    {eModifierType_Boolean, "BOOLEAN", ICON_MOD_BOOLEAN, "Boolean", ""},
    {eModifierType_Build, "BUILD", ICON_MOD_BUILD, "Build", ""},
    {eModifierType_Decimate, "DECIMATE", ICON_MOD_DECIM, "Decimate", ""},
    {eModifierType_EdgeSplit, "EDGE_SPLIT", ICON_MOD_EDGESPLIT, "Edge Split", ""},
    {eModifierType_Mask, "MASK", ICON_MOD_MASK, "Mask", ""},
    {eModifierType_Mirror, "MIRROR", ICON_MOD_MIRROR, "Mirror", ""},
    {eModifierType_Multires, "MULTIRES", ICON_MOD_MULTIRES, "Multiresolution", ""},
    {eModifierType_Remesh, "REMESH", ICON_MOD_REMESH, "Remesh", ""},
    {eModifierType_Screw, "SCREW", ICON_MOD_SCREW, "Screw", ""},
    {eModifierType_Solidify, "SOLIDIFY", ICON_MOD_SOLIDIFY, "Solidify", ""},
    {eModifierType_Subsurf, "SUBSURF", ICON_MOD_SUBSURF, "Subdivision Surface", ""},
    {0, "", 0, "Deform", ""},
    {eModifierType_Armature, "ARMATURE", ICON_MOD_ARMATURE, "Armature", ""},
    {eModifierType_Cast, "CAST", ICON_MOD_CAST, "Cast", ""},
    {eModifierType_Curve, "CURVE", ICON_MOD_CURVE, "Curve", ""},
    {eModifierType_Displace, "DISPLACE", ICON_MOD_DISPLACE, "Displace", ""},
    {eModifierType_Hook, "HOOK", ICON_HOOK, "Hook", ""},
    {eModifierType_Lattice, "LATTICE", ICON_MOD_LATTICE, "Lattice", ""},
    {eModifierType_MeshDeform, "MESH_DEFORM", ICON_MOD_MESHDEFORM, "Mesh Deform", ""},
    {eModifierType_Shrinkwrap, "SHRINKWRAP", ICON_MOD_SHRINKWRAP, "Shrinkwrap", ""},
    {eModifierType_SimpleDeform, "SIMPLE_DEFORM", ICON_MOD_SIMPLEDEFORM, "Simple Deform", ""},
    {eModifierType_Smooth, "SMOOTH", ICON_MOD_SMOOTH, "Smooth", ""},
    {eModifierType_Warp, "WARP", ICON_MOD_SUBSURF, "Warp", ""},
    {eModifierType_Wave, "WAVE", ICON_MOD_WAVE, "Wave", ""},
    {0, "", 0, "Simulate", ""},
    {eModifierType_Cloth, "CLOTH", ICON_MOD_CLOTH, "Cloth", ""},
    {eModifierType_Collision, "COLLISION", ICON_MOD_PHYSICS, "Collision", ""},
    {eModifierType_DynamicPaint, "DYNAMIC_PAINT", ICON_MOD_DYNAMICPAINT, "Dynamic Paint", ""},
    {eModifierType_Explode, "EXPLODE", ICON_MOD_EXPLODE, "Explode", ""},
    {eModifierType_Fluidsim, "FLUID_SIMULATION", ICON_MOD_FLUIDSIM, "Fluid Simulation", ""},
    {eModifierType_Ocean, "OCEAN", ICON_MOD_WAVE, "Ocean", ""},
    {eModifierType_ParticleInstance, "PARTICLE_INSTANCE", ICON_MOD_PARTICLES, "Particle Instance", ""},
    {eModifierType_ParticleSystem, "PARTICLE_SYSTEM", ICON_MOD_PARTICLES, "Particle System", ""},
    {eModifierType_Smoke, "SMOKE", ICON_MOD_SMOKE, "Smoke", ""},
    {eModifierType_Softbody, "SOFT_BODY", ICON_MOD_SOFT, "Soft Body", ""},
    {eModifierType_Surface, "SURFACE", ICON_MOD_PHYSICS, "Surface", ""},
    {0, NULL, 0, NULL, NULL}};

#ifdef RNA_RUNTIME

#include "DNA_particle_types.h"
#include "DNA_smoke_types.h"

#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_library.h"
#include "BKE_modifier.h"
#include "BKE_particle.h"

static void rna_UVProject_projectors_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
    UVProjectModifierData *uvp= (UVProjectModifierData*)ptr->data;
    rna_iterator_array_begin(iter, (void*)uvp->projectors, sizeof(Object*), uvp->num_projectors, 0, NULL);
}

static StructRNA* rna_Modifier_refine(struct PointerRNA *ptr)
{
    ModifierData *md= (ModifierData*)ptr->data;

    switch(md->type) {
        case eModifierType_Subsurf:
            return &RNA_SubsurfModifier;
        case eModifierType_Lattice:
            return &RNA_LatticeModifier;
        case eModifierType_Curve:
            return &RNA_CurveModifier;
        case eModifierType_Build:
            return &RNA_BuildModifier;
        case eModifierType_Mirror:
            return &RNA_MirrorModifier;
        case eModifierType_Decimate:
            return &RNA_DecimateModifier;
        case eModifierType_Wave:
            return &RNA_WaveModifier;
        case eModifierType_Armature:
            return &RNA_ArmatureModifier;
        case eModifierType_Hook:
            return &RNA_HookModifier;
        case eModifierType_Softbody:
            return &RNA_SoftBodyModifier;
        case eModifierType_Boolean:
            return &RNA_BooleanModifier;
        case eModifierType_Array:
            return &RNA_ArrayModifier;
        case eModifierType_EdgeSplit:
            return &RNA_EdgeSplitModifier;
        case eModifierType_Displace:
            return &RNA_DisplaceModifier;
        case eModifierType_UVProject:
            return &RNA_UVProjectModifier;
        case eModifierType_Smooth:
            return &RNA_SmoothModifier;
        case eModifierType_Cast:
            return &RNA_CastModifier;
        case eModifierType_MeshDeform:
            return &RNA_MeshDeformModifier;
        case eModifierType_ParticleSystem:
            return &RNA_ParticleSystemModifier;
        case eModifierType_ParticleInstance:
            return &RNA_ParticleInstanceModifier;
        case eModifierType_Explode:
            return &RNA_ExplodeModifier;
        case eModifierType_Cloth:
            return &RNA_ClothModifier;
        case eModifierType_Collision:
            return &RNA_CollisionModifier;
        case eModifierType_Bevel:
            return &RNA_BevelModifier;
        case eModifierType_Shrinkwrap:
            return &RNA_ShrinkwrapModifier;
        case eModifierType_Fluidsim:
            return &RNA_FluidSimulationModifier;
        case eModifierType_Mask:
            return &RNA_MaskModifier;
        case eModifierType_SimpleDeform:
            return &RNA_SimpleDeformModifier;
        case eModifierType_Multires:
            return &RNA_MultiresModifier;
        case eModifierType_Surface:
            return &RNA_SurfaceModifier;
        case eModifierType_Smoke:
            return &RNA_SmokeModifier;
        case eModifierType_Solidify:
            return &RNA_SolidifyModifier;
        case eModifierType_Screw:
            return &RNA_ScrewModifier;
        case eModifierType_Ocean:
            return &RNA_OceanModifier;
        case eModifierType_Warp:
            return &RNA_WarpModifier;
        case eModifierType_WeightVGEdit:
            return &RNA_VertexWeightEditModifier;
        case eModifierType_WeightVGMix:
            return &RNA_VertexWeightMixModifier;
        case eModifierType_WeightVGProximity:
            return &RNA_VertexWeightProximityModifier;
        case eModifierType_DynamicPaint:
            return &RNA_DynamicPaintModifier;
        case eModifierType_Remesh:
            return &RNA_RemeshModifier;
        default:
            return &RNA_Modifier;
    }
}

void rna_Modifier_name_set(PointerRNA *ptr, const char *value)
{
    ModifierData *md= ptr->data;
    char oldname[sizeof(md->name)];
    
    /* make a copy of the old name first */
    BLI_strncpy(oldname, md->name, sizeof(md->name));
    
    /* copy the new name into the name slot */
    BLI_strncpy_utf8(md->name, value, sizeof(md->name));
    
    /* make sure the name is truly unique */
    if (ptr->id.data) {
        Object *ob= ptr->id.data;
        modifier_unique_name(&ob->modifiers, md);
    }
    
    /* fix all the animation data which may link to this */
    BKE_all_animdata_fix_paths_rename("modifiers", oldname, md->name);
}

static char *rna_Modifier_path(PointerRNA *ptr)
{
    return BLI_sprintfN("modifiers[\"%s\"]", ((ModifierData*)ptr->data)->name);
}

static void rna_Modifier_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
    DAG_id_tag_update(ptr->id.data, OB_RECALC_DATA);
    WM_main_add_notifier(NC_OBJECT|ND_MODIFIER, ptr->id.data);
}

static void rna_Modifier_dependency_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
    rna_Modifier_update(bmain, scene, ptr);
    DAG_scene_sort(bmain, scene);
}

static void rna_Smoke_set_type(Main *bmain, Scene *scene, PointerRNA *ptr)
{
    SmokeModifierData *smd= (SmokeModifierData *)ptr->data;
    Object *ob= (Object*)ptr->id.data;
    ParticleSystemModifierData *psmd = NULL;
    ParticleSystem *psys = NULL;
    ParticleSettings *part = NULL;

    // nothing changed
    if((smd->type & MOD_SMOKE_TYPE_DOMAIN) && smd->domain)
        return;
        
    smokeModifier_free(smd); // XXX TODO: completely free all 3 pointers
    smokeModifier_createType(smd); // create regarding of selected type

    switch (smd->type) {
        case MOD_SMOKE_TYPE_DOMAIN:
            ob->dt = OB_WIRE;
            break;
        case MOD_SMOKE_TYPE_FLOW:
            for(psys=ob->particlesystem.first; psys; psys=psys->next)
                if(psys->part->type == PART_EMITTER)
                    break;
            if(ob->type == OB_MESH && !psys) {
                /* add particle system */
                psmd = (ParticleSystemModifierData *)object_add_particle_system(scene, ob, NULL);
                if(psmd)
                {
                    psys = psmd->psys;
                    part = psys->part;
                    part->lifetime = 1.0f;
                    part->sta = 1.0f;
                    part->end = 250.0f;
                    part->ren_as = PART_DRAW_NOT;
                    part->draw_as = PART_DRAW_DOT;
                    BLI_strncpy(psys->name, "SmokeParticles", sizeof(psys->name));
                    psys->recalc |= (PSYS_RECALC_RESET|PSYS_RECALC_PHYS);
                    DAG_id_tag_update(ptr->id.data, OB_RECALC_DATA);
                }
            }
            if(smd->flow)
                smd->flow->psys = psys;
        case MOD_SMOKE_TYPE_COLL:
        case 0:
        default:
            ob->dt = OB_TEXTURE;
            break;
    }
    
    // update dependancy since a domain - other type switch could have happened
    rna_Modifier_dependency_update(bmain, scene, ptr);
}

static void rna_ExplodeModifier_vgroup_get(PointerRNA *ptr, char *value)
{
    ExplodeModifierData *emd= (ExplodeModifierData*)ptr->data;
    rna_object_vgroup_name_index_get(ptr, value, emd->vgroup);
}

static int rna_ExplodeModifier_vgroup_length(PointerRNA *ptr)
{
    ExplodeModifierData *emd= (ExplodeModifierData*)ptr->data;
    return rna_object_vgroup_name_index_length(ptr, emd->vgroup);
}

static void rna_ExplodeModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    ExplodeModifierData *emd= (ExplodeModifierData*)ptr->data;
    rna_object_vgroup_name_index_set(ptr, value, &emd->vgroup);
}

static void rna_SimpleDeformModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    SimpleDeformModifierData *smd= (SimpleDeformModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, smd->vgroup_name, sizeof(smd->vgroup_name));
}

static void rna_ShrinkwrapModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    ShrinkwrapModifierData *smd= (ShrinkwrapModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, smd->vgroup_name, sizeof(smd->vgroup_name));
}

static void rna_LatticeModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    LatticeModifierData *lmd= (LatticeModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->name, sizeof(lmd->name));
}

static void rna_ArmatureModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    ArmatureModifierData *lmd= (ArmatureModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->defgrp_name, sizeof(lmd->defgrp_name));
}

static void rna_CurveModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    CurveModifierData *lmd= (CurveModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->name, sizeof(lmd->name));
}

static void rna_DisplaceModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    DisplaceModifierData *lmd= (DisplaceModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->defgrp_name, sizeof(lmd->defgrp_name));
}

static void rna_HookModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    HookModifierData *lmd= (HookModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->name, sizeof(lmd->name));
}

static void rna_MaskModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    MaskModifierData *lmd= (MaskModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->vgroup, sizeof(lmd->vgroup));
}

static void rna_MeshDeformModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    MeshDeformModifierData *lmd= (MeshDeformModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->defgrp_name, sizeof(lmd->defgrp_name));
}

static void rna_SmoothModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    SmoothModifierData *lmd= (SmoothModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->defgrp_name, sizeof(lmd->defgrp_name));
}

static void rna_WaveModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    WaveModifierData *lmd= (WaveModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->defgrp_name, sizeof(lmd->defgrp_name));
}

static void rna_CastModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    CastModifierData *lmd= (CastModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, lmd->defgrp_name, sizeof(lmd->defgrp_name));
}

static void rna_SolidifyModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    SolidifyModifierData *smd= (SolidifyModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, smd->defgrp_name, sizeof(smd->defgrp_name));
}

static void rna_WeightVGModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    ModifierData *md = (ModifierData*)ptr->data;
    if (md->type == eModifierType_WeightVGEdit) {
        WeightVGEditModifierData *wmd= (WeightVGEditModifierData*)md;
        rna_object_vgroup_name_set(ptr, value, wmd->defgrp_name, sizeof(wmd->defgrp_name));
    }
    else if (md->type == eModifierType_WeightVGMix) {
        WeightVGMixModifierData *wmd= (WeightVGMixModifierData*)md;
        rna_object_vgroup_name_set(ptr, value, wmd->defgrp_name_a, sizeof(wmd->defgrp_name_a));
    }
    else if (md->type == eModifierType_WeightVGProximity) {
        WeightVGProximityModifierData *wmd= (WeightVGProximityModifierData*)md;
        rna_object_vgroup_name_set(ptr, value, wmd->defgrp_name, sizeof(wmd->defgrp_name));
    }
}

static void rna_WeightVGModifier_mask_vgroup_set(PointerRNA *ptr, const char *value)
{
    ModifierData *md = (ModifierData*)ptr->data;
    if (md->type == eModifierType_WeightVGEdit) {
        WeightVGEditModifierData *wmd= (WeightVGEditModifierData*)md;
        rna_object_vgroup_name_set(ptr, value, wmd->mask_defgrp_name, sizeof(wmd->mask_defgrp_name));
    }
    else if (md->type == eModifierType_WeightVGMix) {
        WeightVGMixModifierData *wmd= (WeightVGMixModifierData*)md;
        rna_object_vgroup_name_set(ptr, value, wmd->mask_defgrp_name, sizeof(wmd->mask_defgrp_name));
    }
    else if (md->type == eModifierType_WeightVGProximity) {
        WeightVGProximityModifierData *wmd= (WeightVGProximityModifierData*)md;
        rna_object_vgroup_name_set(ptr, value, wmd->mask_defgrp_name, sizeof(wmd->mask_defgrp_name));
    }
}

static void rna_WeightVGMixModifier_vgroup2_set(PointerRNA *ptr, const char *value)
{
    WeightVGMixModifierData *wmd= (WeightVGMixModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, wmd->defgrp_name_b, sizeof(wmd->defgrp_name_b));
}

static void rna_MappingInfo_uvlayer_set(PointerRNA *ptr, const char *value)
{
    MappingInfoModifierData *mmd= (MappingInfoModifierData *)ptr->data;
    rna_object_uvlayer_name_set(ptr, value, mmd->uvlayer_name, sizeof(mmd->uvlayer_name));
}

static void rna_UVProjectModifier_uvlayer_set(PointerRNA *ptr, const char *value)
{
    UVProjectModifierData *umd= (UVProjectModifierData*)ptr->data;
    rna_object_uvlayer_name_set(ptr, value, umd->uvlayer_name, sizeof(umd->uvlayer_name));
}

static void RNA_WarpModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
    WarpModifierData *tmd= (WarpModifierData*)ptr->data;
    rna_object_vgroup_name_set(ptr, value, tmd->defgrp_name, sizeof(tmd->defgrp_name));
}

static void rna_WeightVGModifier_mask_uvlayer_set(PointerRNA *ptr, const char *value)
{
    ModifierData *md = (ModifierData*)ptr->data;
    if (md->type == eModifierType_WeightVGEdit) {
        WeightVGEditModifierData *wmd = (WeightVGEditModifierData*)md;
        rna_object_uvlayer_name_set(ptr, value, wmd->mask_tex_uvlayer_name, sizeof(wmd->mask_tex_uvlayer_name));
    }
    else if (md->type == eModifierType_WeightVGMix) {
        WeightVGMixModifierData *wmd = (WeightVGMixModifierData*)md;
        rna_object_uvlayer_name_set(ptr, value, wmd->mask_tex_uvlayer_name, sizeof(wmd->mask_tex_uvlayer_name));
    }
    else if (md->type == eModifierType_WeightVGProximity) {
        WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*)md;
        rna_object_uvlayer_name_set(ptr, value, wmd->mask_tex_uvlayer_name, sizeof(wmd->mask_tex_uvlayer_name));
    }
}

static void rna_MultiresModifier_level_range(PointerRNA *ptr, int *min, int *max)
{
    MultiresModifierData *mmd = (MultiresModifierData*)ptr->data;

    *min = 0;
    *max = mmd->totlvl; /* intentionally _not_ -1 */
    *max= MAX2(0, *max);
}

static int rna_MultiresModifier_external_get(PointerRNA *ptr)
{
    Object *ob= (Object*)ptr->id.data;
    Mesh *me= ob->data;

    return CustomData_external_test(&me->fdata, CD_MDISPS);
}

static void rna_MultiresModifier_filepath_get(PointerRNA *ptr, char *value)
{
    Object *ob= (Object*)ptr->id.data;
    CustomDataExternal *external= ((Mesh*)ob->data)->fdata.external;

    BLI_strncpy(value, (external)? external->filename: "", sizeof(external->filename));
}

static void rna_MultiresModifier_filepath_set(PointerRNA *ptr, const char *value)
{
    Object *ob= (Object*)ptr->id.data;
    CustomDataExternal *external= ((Mesh*)ob->data)->fdata.external;

    if(external && strcmp(external->filename, value)) {
        BLI_strncpy(external->filename, value, sizeof(external->filename));
        multires_force_external_reload(ob);
    }
}

static int rna_MultiresModifier_filepath_length(PointerRNA *ptr)
{
    Object *ob= (Object*)ptr->id.data;
    CustomDataExternal *external= ((Mesh*)ob->data)->fdata.external;

    return strlen((external)? external->filename: "");
}

static void modifier_object_set(Object *self, Object **ob_p, int type, PointerRNA value)
{
    Object *ob= value.data;

    if(!self || ob != self) {
        if(!ob || type == OB_EMPTY || ob->type == type) {
            id_lib_extern((ID *)ob);
            *ob_p= ob;
        }
    }
}

static void rna_LatticeModifier_object_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((LatticeModifierData*)ptr->data)->object, OB_LATTICE, value);
}

static void rna_BooleanModifier_object_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((BooleanModifierData*)ptr->data)->object, OB_MESH, value);
}

static void rna_CurveModifier_object_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((CurveModifierData*)ptr->data)->object, OB_CURVE, value);
}

static void rna_CastModifier_object_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((CastModifierData*)ptr->data)->object, OB_EMPTY, value);
}

static void rna_ArmatureModifier_object_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((ArmatureModifierData*)ptr->data)->object, OB_ARMATURE, value);
}

static void rna_MaskModifier_armature_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((MaskModifierData*)ptr->data)->ob_arm, OB_ARMATURE, value);
}

static void rna_ShrinkwrapModifier_auxiliary_target_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((ShrinkwrapModifierData*)ptr->data)->auxTarget, OB_MESH, value);
}

static void rna_ShrinkwrapModifier_target_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((ShrinkwrapModifierData*)ptr->data)->target, OB_MESH, value);
}

static int rna_ShrinkwrapModifier_face_cull_get(PointerRNA *ptr)
{
    ShrinkwrapModifierData *swm= (ShrinkwrapModifierData*)ptr->data;
    return swm->shrinkOpts & (MOD_SHRINKWRAP_CULL_TARGET_FRONTFACE|MOD_SHRINKWRAP_CULL_TARGET_BACKFACE);
}

static void rna_ShrinkwrapModifier_face_cull_set(struct PointerRNA *ptr, int value)
{
    ShrinkwrapModifierData *swm= (ShrinkwrapModifierData*)ptr->data;
    
    swm->shrinkOpts= (swm->shrinkOpts & ~(MOD_SHRINKWRAP_CULL_TARGET_FRONTFACE|MOD_SHRINKWRAP_CULL_TARGET_BACKFACE)) | value;
}

static void rna_MeshDeformModifier_object_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((MeshDeformModifierData*)ptr->data)->object, OB_MESH, value);
}

static void rna_ArrayModifier_end_cap_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((ArrayModifierData*)ptr->data)->end_cap, OB_MESH, value);
}

static void rna_ArrayModifier_start_cap_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((ArrayModifierData*)ptr->data)->start_cap, OB_MESH, value);
}

static void rna_ArrayModifier_curve_set(PointerRNA *ptr, PointerRNA value)
{
    modifier_object_set(ptr->id.data, &((ArrayModifierData*)ptr->data)->curve_ob, OB_CURVE, value);
}

static int rna_MeshDeformModifier_is_bound_get(PointerRNA *ptr)
{
    return (((MeshDeformModifierData*)ptr->data)->bindcagecos != NULL);
}

static PointerRNA rna_SoftBodyModifier_settings_get(PointerRNA *ptr)
{
    Object *ob= (Object*)ptr->id.data;
    return rna_pointer_inherit_refine(ptr, &RNA_SoftBodySettings, ob->soft);
}

static PointerRNA rna_SoftBodyModifier_point_cache_get(PointerRNA *ptr)
{
    Object *ob= (Object*)ptr->id.data;
    return rna_pointer_inherit_refine(ptr, &RNA_PointCache, ob->soft->pointcache);
}

static PointerRNA rna_CollisionModifier_settings_get(PointerRNA *ptr)
{
    Object *ob= (Object*)ptr->id.data;
    return rna_pointer_inherit_refine(ptr, &RNA_CollisionSettings, ob->pd);
}

static PointerRNA rna_UVProjector_object_get(PointerRNA *ptr)
{
    Object **ob= (Object**)ptr->data;
    return rna_pointer_inherit_refine(ptr, &RNA_Object, *ob);
}

static void rna_UVProjector_object_set(PointerRNA *ptr, PointerRNA value)
{
    Object **ob= (Object**)ptr->data;

    if(*ob)
        id_us_min((ID*)*ob);
    if(value.data)
        id_us_plus((ID*)value.data);

    *ob= value.data;
}

static void rna_UVProjectModifier_num_projectors_set(PointerRNA *ptr, int value)
{
    UVProjectModifierData *md= (UVProjectModifierData*)ptr->data;
    int a;

    md->num_projectors= CLAMPIS(value, 1, MOD_UVPROJECT_MAX);
    for(a=md->num_projectors; a<MOD_UVPROJECT_MAX; a++)
        md->projectors[a]= NULL;
}

static int rna_OceanModifier_is_build_enabled_get(PointerRNA *UNUSED(ptr))
{
#ifdef WITH_OCEANSIM
    return 1;
#else // WITH_OCEANSIM
    return 0;
#endif // WITH_OCEANSIM
}

static void rna_OceanModifier_init_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
    OceanModifierData *omd= (OceanModifierData*)ptr->data;
    
    omd->refresh |= (MOD_OCEAN_REFRESH_RESET|MOD_OCEAN_REFRESH_SIM|MOD_OCEAN_REFRESH_CLEAR_CACHE);
    
    rna_Modifier_update(bmain, scene, ptr);
}

static void rna_OceanModifier_sim_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
    OceanModifierData *omd= (OceanModifierData*)ptr->data;
    
    omd->refresh |= MOD_OCEAN_REFRESH_SIM;
    
    rna_Modifier_update(bmain, scene, ptr);
}

static void rna_OceanModifier_topology_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
    OceanModifierData *omd= (OceanModifierData*)ptr->data;
    
    omd->refresh |= MOD_OCEAN_REFRESH_TOPOLOGY;
    
    rna_Modifier_update(bmain, scene, ptr);
}

static void rna_OceanModifier_ocean_chop_set(PointerRNA *ptr, float value)
{
    OceanModifierData *omd= (OceanModifierData*)ptr->data;
    float old_value = omd->chop_amount;
    
    omd->chop_amount = value;
    
    if ((old_value == 0.0f && value > 0.0f) ||
        (old_value > 0.0f && value == 0.0f))
    {
        omd->refresh |= MOD_OCEAN_REFRESH_RESET;
        omd->refresh |= MOD_OCEAN_REFRESH_CLEAR_CACHE;
    }
}

static float rna_EdgeSplitModifier_split_angle_get(PointerRNA *ptr)
{
    EdgeSplitModifierData *md= (EdgeSplitModifierData*)ptr->data;
    return DEG2RADF(md->split_angle);
}

static void rna_EdgeSplitModifier_split_angle_set(PointerRNA *ptr, float value)
{
    EdgeSplitModifierData *md= (EdgeSplitModifierData*)ptr->data;
    value= RAD2DEGF(value);
    CLAMP(value, 0.0f, 180.0f);
    md->split_angle= (int)value;
}

static float rna_BevelModifier_angle_limit_get(PointerRNA *ptr)
{
    BevelModifierData *md= (BevelModifierData*)ptr->data;
    return DEG2RADF(md->bevel_angle);
}

static void rna_BevelModifier_angle_limit_set(PointerRNA *ptr, float value)
{
    BevelModifierData *md= (BevelModifierData*)ptr->data;
    value= RAD2DEGF(value);
    CLAMP(value, 0.0f, 180.0f);
    md->bevel_angle= (int)value;
}

#else

static void rna_def_property_subdivision_common(StructRNA *srna, const char type[])
{
    static EnumPropertyItem prop_subdivision_type_items[] = {
        {0, "CATMULL_CLARK", 0, "Catmull-Clark", ""},
        {1, "SIMPLE", 0, "Simple", ""},
        {0, NULL, 0, NULL, NULL}};

    PropertyRNA *prop= RNA_def_property(srna, "subdivision_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, type);
    RNA_def_property_enum_items(prop, prop_subdivision_type_items);
    RNA_def_property_ui_text(prop, "Subdivision Type", "Select type of subdivision algorithm");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "SubsurfModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Subsurf Modifier", "Subdivision surface modifier");
    RNA_def_struct_sdna(srna, "SubsurfModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SUBSURF);

    rna_def_property_subdivision_common(srna, "subdivType");

    prop= RNA_def_property(srna, "levels", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "levels");
    RNA_def_property_ui_range(prop, 0, 6, 1, 0);
    RNA_def_property_ui_text(prop, "Levels", "Number of subdivisions to perform");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "render_levels", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "renderLevels");
    RNA_def_property_ui_range(prop, 0, 6, 1, 0);
    RNA_def_property_ui_text(prop, "Render Levels", "Number of subdivisions to perform when rendering");

    prop= RNA_def_property(srna, "show_only_control_edges", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", eSubsurfModifierFlag_ControlEdges);
    RNA_def_property_ui_text(prop, "Optimal Display", "Skip drawing/rendering of interior subdivided edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "use_subsurf_uv", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", eSubsurfModifierFlag_SubsurfUv);
    RNA_def_property_ui_text(prop, "Subdivide UVs", "Use subsurf to subdivide UVs");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

static void rna_def_modifier_generic_map_info(StructRNA *srna)
{
    static EnumPropertyItem prop_texture_coordinates_items[] = {
        {MOD_DISP_MAP_LOCAL, "LOCAL", 0, "Local", "Use the local coordinate system for the texture coordinates"},
        {MOD_DISP_MAP_GLOBAL, "GLOBAL", 0, "Global", "Use the global coordinate system for the texture coordinates"},
        {MOD_DISP_MAP_OBJECT, "OBJECT", 0, "Object", "Use the linked object's local coordinate system for the texture coordinates"},
        {MOD_DISP_MAP_UV, "UV", 0, "UV", "Use UV coordinates for the texture coordinates"},
        {0, NULL, 0, NULL, NULL}};

    PropertyRNA *prop;

    prop= RNA_def_property(srna, "texture", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Texture", "");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "texture_coords", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "texmapping");
    RNA_def_property_enum_items(prop, prop_texture_coordinates_items);
    RNA_def_property_ui_text(prop, "Texture Coordinates", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "uv_layer", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "uvlayer_name");
    RNA_def_property_ui_text(prop, "UV Map", "UV map name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_MappingInfo_uvlayer_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "texture_coords_object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "map_object");
    RNA_def_property_ui_text(prop, "Texture Coordinate Object", "Object to set the texture coordinates");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
}

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

    static EnumPropertyItem prop_falloff_items[] = {
        {eWarp_Falloff_None,    "NONE", 0, "No Falloff", ""},
        {eWarp_Falloff_Curve,   "CURVE", 0, "Curve", ""},
        {eWarp_Falloff_Smooth,  "SMOOTH", ICON_SMOOTHCURVE, "Smooth", ""},
        {eWarp_Falloff_Sphere,  "SPHERE", ICON_SPHERECURVE, "Sphere", ""},
        {eWarp_Falloff_Root,    "ROOT", ICON_ROOTCURVE, "Root", ""},
        {eWarp_Falloff_Sharp,   "SHARP", ICON_SHARPCURVE, "Sharp", ""},
        {eWarp_Falloff_Linear,  "LINEAR", ICON_LINCURVE, "Linear", ""},
        {eWarp_Falloff_Const,   "CONSTANT", ICON_NOCURVE, "Constant", ""},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "WarpModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Warp Modifier", "Warp modifier");
    RNA_def_struct_sdna(srna, "WarpModifierData");
    //RNA_def_struct_ui_icon(srna, ICON_MOD_SUBSURF);

    prop= RNA_def_property(srna, "object_from", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "From", "Object to transform from");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "object_to", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "To", "Object to transform to");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -100, 100, 10, 2);
    RNA_def_property_ui_text(prop, "Strength", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_falloff_items);
    RNA_def_property_ui_text(prop, "Falloff Type", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "falloff_radius", PROP_FLOAT, PROP_UNSIGNED | PROP_DISTANCE);
    RNA_def_property_ui_text(prop, "Radius", "Radius to apply");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "falloff_curve", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "curfalloff");
    RNA_def_property_ui_text(prop, "Falloff Curve", "Custom Lamp Falloff Curve");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_volume_preserve", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WARP_VOLUME_PRESERVE);
    RNA_def_property_ui_text(prop, "Preserve Volume", "Preserve volume when rotations are used");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name for modulating the deform");
    RNA_def_property_string_funcs(prop, NULL, NULL, "RNA_WarpModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    rna_def_modifier_generic_map_info(srna);
}

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

    srna= RNA_def_struct(brna, "MultiresModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Multires Modifier", "Multiresolution mesh modifier");
    RNA_def_struct_sdna(srna, "MultiresModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_MULTIRES);

    rna_def_property_subdivision_common(srna, "simple");

    prop= RNA_def_property(srna, "levels", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "lvl");
    RNA_def_property_ui_text(prop, "Levels", "Number of subdivisions to use in the viewport");
    RNA_def_property_int_funcs(prop, NULL, NULL, "rna_MultiresModifier_level_range");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "sculpt_levels", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "sculptlvl");
    RNA_def_property_ui_text(prop, "Sculpt Levels", "Number of subdivisions to use in sculpt mode");
    RNA_def_property_int_funcs(prop, NULL, NULL, "rna_MultiresModifier_level_range");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "render_levels", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "renderlvl");
    RNA_def_property_ui_text(prop, "Render Levels", "The subdivision level visible at render time");
    RNA_def_property_int_funcs(prop, NULL, NULL, "rna_MultiresModifier_level_range");

    prop= RNA_def_property(srna, "total_levels", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "totlvl");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Total Levels", "Number of subdivisions for which displacements are stored");

    prop= RNA_def_property(srna, "is_external", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_boolean_funcs(prop, "rna_MultiresModifier_external_get", NULL);
    RNA_def_property_ui_text(prop, "External", "Store multires displacements outside the .blend file, to save memory");

    prop= RNA_def_property(srna, "filepath", PROP_STRING, PROP_FILEPATH);
    RNA_def_property_string_funcs(prop, "rna_MultiresModifier_filepath_get", "rna_MultiresModifier_filepath_length", "rna_MultiresModifier_filepath_set");
    RNA_def_property_ui_text(prop, "File Path", "Path to external displacements file");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "show_only_control_edges", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", eMultiresModifierFlag_ControlEdges);
    RNA_def_property_ui_text(prop, "Optimal Display", "Skip drawing/rendering of interior subdivided edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_subsurf_uv", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flags", eMultiresModifierFlag_PlainUv);
    RNA_def_property_ui_text(prop, "Subdivide UVs", "Use subsurf to subdivide UVs");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "LatticeModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Lattice Modifier", "Lattice deformation modifier");
    RNA_def_struct_sdna(srna, "LatticeModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_LATTICE);

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Object", "Lattice object to deform with");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_LatticeModifier_object_set", NULL, "rna_Lattice_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Name of Vertex Group which determines influence of modifier per point");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_LatticeModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    static EnumPropertyItem prop_deform_axis_items[] = {
        {MOD_CURVE_POSX, "POS_X", 0, "X", ""},
        {MOD_CURVE_POSY, "POS_Y", 0, "Y", ""},
        {MOD_CURVE_POSZ, "POS_Z", 0, "Z", ""},
        {MOD_CURVE_NEGX, "NEG_X", 0, "-X", ""},
        {MOD_CURVE_NEGY, "NEG_Y", 0, "-Y", ""},
        {MOD_CURVE_NEGZ, "NEG_Z", 0, "-Z", ""},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "CurveModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Curve Modifier", "Curve deformation modifier");
    RNA_def_struct_sdna(srna, "CurveModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_CURVE);

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Object", "Curve object to deform with");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_CurveModifier_object_set", NULL, "rna_Curve_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Name of Vertex Group which determines influence of modifier per point");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_CurveModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "deform_axis", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "defaxis");
    RNA_def_property_enum_items(prop, prop_deform_axis_items);
    RNA_def_property_ui_text(prop, "Deform Axis", "The axis that the curve deforms along");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "BuildModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Build Modifier", "Build effect modifier");
    RNA_def_struct_sdna(srna, "BuildModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_BUILD);

    prop= RNA_def_property(srna, "frame_start", PROP_FLOAT, PROP_TIME);
    RNA_def_property_float_sdna(prop, NULL, "start");
    RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
    RNA_def_property_ui_text(prop, "Start", "Start frame of the effect");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "frame_duration", PROP_FLOAT, PROP_TIME);
    RNA_def_property_float_sdna(prop, NULL, "length");
    RNA_def_property_range(prop, 1, MAXFRAMEF);
    RNA_def_property_ui_text(prop, "Length", "Total time the build effect requires");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_random_order", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "randomize", 1);
    RNA_def_property_ui_text(prop, "Randomize", "Randomize the faces or edges during build");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "seed", PROP_INT, PROP_NONE);
    RNA_def_property_range(prop, 1, MAXFRAMEF);
    RNA_def_property_ui_text(prop, "Seed", "Seed for random if used");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "MirrorModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Mirror Modifier", "Mirroring modifier");
    RNA_def_struct_sdna(srna, "MirrorModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_MIRROR);

    prop= RNA_def_property(srna, "use_x", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_AXIS_X);
    RNA_def_property_ui_text(prop, "X", "Enable X axis mirror");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_y", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_AXIS_Y);
    RNA_def_property_ui_text(prop, "Y", "Enable Y axis mirror");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_z", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_AXIS_Z);
    RNA_def_property_ui_text(prop, "Z", "Enable Z axis mirror");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_clip", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_CLIPPING);
    RNA_def_property_ui_text(prop, "Clip", "Prevent vertices from going through the mirror during transform");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_mirror_vertex_groups", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_VGROUP);
    RNA_def_property_ui_text(prop, "Mirror Vertex Groups", "Mirror vertex groups (e.g. .R->.L)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "use_mirror_merge", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", MOD_MIR_NO_MERGE);
    RNA_def_property_ui_text(prop, "Merge Vertices", "Merge vertices within the merge threshold");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_mirror_u", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_MIRROR_U);
    RNA_def_property_ui_text(prop, "Mirror U", "Mirror the U texture coordinate around the 0.5 point");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_mirror_v", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_MIRROR_V);
    RNA_def_property_ui_text(prop, "Mirror V", "Mirror the V texture coordinate around the 0.5 point");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "merge_threshold", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "tolerance");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 1, 0.01, 6);
    RNA_def_property_ui_text(prop, "Merge Limit", "Distance from axis within which mirrored vertices are merged");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mirror_object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "mirror_ob");
    RNA_def_property_ui_text(prop, "Mirror Object", "Object to use as mirror");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
}

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

    srna= RNA_def_struct(brna, "DecimateModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Decimate Modifier", "Decimation modifier");
    RNA_def_struct_sdna(srna, "DecimateModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_DECIM);

    prop= RNA_def_property(srna, "ratio", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "percent");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_range(prop, 0, 1, 1, 2);
    RNA_def_property_ui_text(prop, "Ratio", "Ratio of triangles to reduce to");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "face_count", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "faceCount");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Face Count", "The current number of faces in the decimated mesh");
}

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

    srna= RNA_def_struct(brna, "WaveModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Wave Modifier", "Wave effect modifier");
    RNA_def_struct_sdna(srna, "WaveModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_WAVE);

    prop= RNA_def_property(srna, "use_x", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WAVE_X);
    RNA_def_property_ui_text(prop, "X", "X axis motion");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_y", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WAVE_Y);
    RNA_def_property_ui_text(prop, "Y", "Y axis motion");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_cyclic", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WAVE_CYCL);
    RNA_def_property_ui_text(prop, "Cyclic", "Cyclic wave effect");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_normal", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WAVE_NORM);
    RNA_def_property_ui_text(prop, "Normals", "Displace along normals");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_normal_x", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WAVE_NORM_X);
    RNA_def_property_ui_text(prop, "X Normal", "Enable displacement along the X normal");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_normal_y", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WAVE_NORM_Y);
    RNA_def_property_ui_text(prop, "Y Normal", "Enable displacement along the Y normal");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_normal_z", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WAVE_NORM_Z);
    RNA_def_property_ui_text(prop, "Z Normal", "Enable displacement along the Z normal");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "time_offset", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "timeoffs");
    RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
    RNA_def_property_ui_text(prop, "Time Offset", "Either the starting frame (for positive speed) or ending frame (for negative speed.)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "lifetime", PROP_FLOAT, PROP_TIME);
    RNA_def_property_float_sdna(prop, NULL, "lifetime");
    RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
    RNA_def_property_ui_text(prop, "Lifetime",  "Lifetime of the wave in frames, zero means infinite");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "damping_time", PROP_FLOAT, PROP_TIME);
    RNA_def_property_float_sdna(prop, NULL, "damp");
    RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
    RNA_def_property_ui_text(prop, "Damping Time",  "Number of frames in which the wave damps out after it dies");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "falloff_radius", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "falloff");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 100, 100, 2);
    RNA_def_property_ui_text(prop, "Falloff Radius",  "Distance after which it fades out");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "start_position_x", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "startx");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -100, 100, 100, 2);
    RNA_def_property_ui_text(prop, "Start Position X",  "X coordinate of the start position");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "start_position_y", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "starty");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -100, 100, 100, 2);
    RNA_def_property_ui_text(prop, "Start Position Y",  "Y coordinate of the start position");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "start_position_object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "objectcenter");
    RNA_def_property_ui_text(prop, "Start Position Object", "Object which defines the wave center");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name for modulating the wave");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WaveModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "speed", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -1, 1, 10, 2);
    RNA_def_property_ui_text(prop, "Speed", "Speed of the wave, towards the starting point when negative");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "height", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -2, 2, 10, 2);
    RNA_def_property_ui_text(prop, "Height", "Height of the wave");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "width", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 5, 10, 2);
    RNA_def_property_ui_text(prop, "Width", "Distance between the waves");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "narrowness", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "narrow");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 10, 10, 2);
    RNA_def_property_ui_text(prop, "Narrowness", "Distance between the top and the base of a wave, the higher the value, the more narrow the wave");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    rna_def_modifier_generic_map_info(srna);
}

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

    srna= RNA_def_struct(brna, "ArmatureModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Armature Modifier", "Armature deformation modifier");
    RNA_def_struct_sdna(srna, "ArmatureModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_ARMATURE);

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Object", "Armature object to deform with");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_ArmatureModifier_object_set", NULL, "rna_Armature_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "use_bone_envelopes", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "deformflag", ARM_DEF_ENVELOPE);
    RNA_def_property_ui_text(prop, "Use Bone Envelopes", "Bind Bone envelopes to armature modifier");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_vertex_groups", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "deformflag", ARM_DEF_VGROUP);
    RNA_def_property_ui_text(prop, "Use Vertex Groups", "Bind vertex groups to armature modifier");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "use_deform_preserve_volume", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "deformflag", ARM_DEF_QUATERNION);
    RNA_def_property_ui_text(prop, "Preserve Volume", "Deform rotation interpolation with quaternions");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_multi_modifier", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "multi", 0);
    RNA_def_property_ui_text(prop, "Multi Modifier",  "Use same input as previous modifier, and mix results using overall vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Name of Vertex Group which determines influence of modifier per point");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_ArmatureModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "deformflag", ARM_DEF_INVERT_VGROUP);
    RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "HookModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Hook Modifier", "Hook modifier to modify the location of vertices");
    RNA_def_struct_sdna(srna, "HookModifierData");
    RNA_def_struct_ui_icon(srna, ICON_HOOK);

    prop= RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 100, 100, 2);
    RNA_def_property_ui_text(prop, "Falloff",  "If not zero, the distance from the hook where influence ends");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "force", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Force",  "Relative force of the hook");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Object", "Parent Object for hook, also recalculates and clears offset");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
    
    prop= RNA_def_property(srna, "subtarget", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "subtarget");
    RNA_def_property_ui_text(prop, "Sub-Target", "Name of Parent Bone for hook (if applicable), also recalculates and clears offset");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Name of Vertex Group which determines influence of modifier per point");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_HookModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "SoftBodyModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Soft Body Modifier", "Soft body simulation modifier");
    RNA_def_struct_sdna(srna, "SoftbodyModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SOFT);

    prop= RNA_def_property(srna, "settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "SoftBodySettings");
    RNA_def_property_pointer_funcs(prop, "rna_SoftBodyModifier_settings_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Soft Body Settings", "");

    prop= RNA_def_property(srna, "point_cache", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "PointCache");
    RNA_def_property_pointer_funcs(prop, "rna_SoftBodyModifier_point_cache_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Soft Body Point Cache", "");
}

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

    static EnumPropertyItem prop_operation_items[] = {
        {eBooleanModifierOp_Intersect, "INTERSECT", 0, "Intersect", "Keep the part of the mesh that intersects with the other selected object"},
        {eBooleanModifierOp_Union, "UNION", 0, "Union", "Combine two meshes in an additive way"},
        {eBooleanModifierOp_Difference, "DIFFERENCE", 0, "Difference", "Combine two meshes in a subtractive way"},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "BooleanModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Boolean Modifier", "Boolean operations modifier");
    RNA_def_struct_sdna(srna, "BooleanModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_BOOLEAN);

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Object", "Mesh object to use for Boolean operation");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_BooleanModifier_object_set", NULL, "rna_Mesh_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "operation", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_operation_items);
    RNA_def_property_ui_text(prop, "Operation", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    static EnumPropertyItem prop_fit_type_items[] = {
        {MOD_ARR_FIXEDCOUNT, "FIXED_COUNT", 0, "Fixed Count", "Duplicate the object a certain number of times"},
        {MOD_ARR_FITLENGTH, "FIT_LENGTH", 0, "Fit Length", "Duplicate the object as many times as fits in a certain length"},
        {MOD_ARR_FITCURVE, "FIT_CURVE", 0, "Fit Curve", "Fit the duplicated objects to a curve"},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "ArrayModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Array Modifier", "Array duplication modifier");
    RNA_def_struct_sdna(srna, "ArrayModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_ARRAY);

    /* Length parameters */
    prop= RNA_def_property(srna, "fit_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_fit_type_items);
    RNA_def_property_ui_text(prop, "Fit Type", "Array length calculation method");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "count", PROP_INT, PROP_NONE);
    RNA_def_property_range(prop, 1, INT_MAX);
    RNA_def_property_ui_range(prop, 1, 1000, 1, 0);
    RNA_def_property_ui_text(prop, "Count",  "Number of duplicates to make");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "fit_length", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "length");
    RNA_def_property_range(prop, 0, INT_MAX);
    RNA_def_property_ui_range(prop, 0, 10000, 10, 2);
    RNA_def_property_ui_text(prop, "Length", "Length to fit array within");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "curve", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "curve_ob");
    RNA_def_property_ui_text(prop, "Curve", "Curve object to fit array length to");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_ArrayModifier_curve_set", NULL, "rna_Curve_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    /* Offset parameters */
    prop= RNA_def_property(srna, "use_constant_offset", PROP_BOOLEAN, PROP_TRANSLATION);
    RNA_def_property_boolean_sdna(prop, NULL, "offset_type", MOD_ARR_OFF_CONST);
    RNA_def_property_ui_text(prop, "Constant Offset", "Add a constant offset");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "constant_offset_displace", PROP_FLOAT, PROP_TRANSLATION);
    RNA_def_property_float_sdna(prop, NULL, "offset");
    RNA_def_property_ui_text(prop, "Constant Offset Displacement", "Value for the distance between arrayed items");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_relative_offset", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "offset_type", MOD_ARR_OFF_RELATIVE);
    RNA_def_property_ui_text(prop, "Relative Offset", "Add an offset relative to the object's bounding box");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "relative_offset_displace", PROP_FLOAT, PROP_NONE); /* PROP_TRANSLATION causes units to be used which we dont want */
    RNA_def_property_float_sdna(prop, NULL, "scale");
    RNA_def_property_ui_text(prop, "Relative Offset Displacement", "The size of the geometry will determine the distance between arrayed items");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    /* Vertex merging parameters */
    prop= RNA_def_property(srna, "use_merge_vertices", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_ARR_MERGE);
    RNA_def_property_ui_text(prop, "Merge Vertices", "Merge vertices in adjacent duplicates");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_merge_vertices_cap", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_ARR_MERGEFINAL);
    RNA_def_property_ui_text(prop, "Merge Vertices", "Merge vertices in first and last duplicates");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "merge_threshold", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "merge_dist");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 1, 1, 4);
    RNA_def_property_ui_text(prop, "Merge Distance", "Limit below which to merge vertices");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    /* Offset object */
    prop= RNA_def_property(srna, "use_object_offset", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "offset_type", MOD_ARR_OFF_OBJ);
    RNA_def_property_ui_text(prop, "Object Offset", "Add another object's transformation to the total offset");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "offset_object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "offset_ob");
    RNA_def_property_ui_text(prop, "Object Offset", "Use the location and rotation of another object to determine the distance and rotational change between arrayed items");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
    
    /* Caps */
    prop= RNA_def_property(srna, "start_cap", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Start Cap", "Mesh object to use as a start cap");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_ArrayModifier_start_cap_set", NULL, "rna_Mesh_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "end_cap", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "End Cap", "Mesh object to use as an end cap");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_ArrayModifier_end_cap_set", NULL, "rna_Mesh_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
}

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

    srna= RNA_def_struct(brna, "EdgeSplitModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "EdgeSplit Modifier", "Edge splitting modifier to create sharp edges");
    RNA_def_struct_sdna(srna, "EdgeSplitModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_EDGESPLIT);

#if 1 /* expose as radians */
    prop= RNA_def_property(srna, "split_angle", PROP_FLOAT, PROP_ANGLE);
    RNA_def_property_float_funcs(prop, "rna_EdgeSplitModifier_split_angle_get", "rna_EdgeSplitModifier_split_angle_set", NULL);
    RNA_def_property_range(prop, 0, DEG2RAD(180));
    RNA_def_property_ui_range(prop, 0, DEG2RAD(180), 100, 2);
#else
    prop= RNA_def_property(srna, "split_angle", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0, 180);
    RNA_def_property_ui_range(prop, 0, 180, 100, 2);
#endif
    RNA_def_property_ui_text(prop, "Split Angle", "Angle above which to split edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_edge_angle", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_EDGESPLIT_FROMANGLE);
    RNA_def_property_ui_text(prop, "Use Edge Angle", "Split edges with high angle between faces");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_edge_sharp", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_EDGESPLIT_FROMFLAG);
    RNA_def_property_ui_text(prop, "Use Sharp Edges", "Split edges that are marked as sharp");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    static EnumPropertyItem prop_direction_items[] = {
        {MOD_DISP_DIR_X, "X", 0, "X", "Use the texture's intensity value to displace in the X direction"},
        {MOD_DISP_DIR_Y, "Y", 0, "Y", "Use the texture's intensity value to displace in the Y direction"},
        {MOD_DISP_DIR_Z, "Z", 0, "Z", "Use the texture's intensity value to displace in the Z direction"},
        {MOD_DISP_DIR_NOR, "NORMAL", 0, "Normal", "Use the texture's intensity value to displace in the normal direction"},
        {MOD_DISP_DIR_RGB_XYZ, "RGB_TO_XYZ", 0, "RGB to XYZ", "Use the texture's RGB values to displace the mesh in the XYZ direction"},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "DisplaceModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Displace Modifier", "Displacement modifier");
    RNA_def_struct_sdna(srna, "DisplaceModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_DISPLACE);

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Name of Vertex Group which determines influence of modifier per point");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_DisplaceModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mid_level", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "midlevel");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 1, 10, 3);
    RNA_def_property_ui_text(prop, "Midlevel", "Material value that gives no displacement");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -100, 100, 10, 3);
    RNA_def_property_ui_text(prop, "Strength", "Amount to displace geometry");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "direction", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_direction_items);
    RNA_def_property_ui_text(prop, "Direction", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    rna_def_modifier_generic_map_info(srna);
}

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

    srna= RNA_def_struct(brna, "UVProjectModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "UV Project Modifier", "UV projection modifier to set UVs from a projector");
    RNA_def_struct_sdna(srna, "UVProjectModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_UVPROJECT);

    prop= RNA_def_property(srna, "uv_layer", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "uvlayer_name");
    RNA_def_property_ui_text(prop, "UV Map", "UV map name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_UVProjectModifier_uvlayer_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "projector_count", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "num_projectors");
    RNA_def_property_ui_text(prop, "Number of Projectors", "Number of projectors to use");
    RNA_def_property_int_funcs(prop, NULL, "rna_UVProjectModifier_num_projectors_set", NULL);
    RNA_def_property_range(prop, 1, MOD_UVPROJECT_MAX);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "projectors", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_struct_type(prop, "UVProjector");
    RNA_def_property_collection_funcs(prop, "rna_UVProject_projectors_begin", "rna_iterator_array_next", "rna_iterator_array_end", "rna_iterator_array_get", NULL, NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Projectors", "");

    prop= RNA_def_property(srna, "image", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Image", "");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "aspect_x", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "aspectx");
    RNA_def_property_range(prop, 1, FLT_MAX);
    RNA_def_property_ui_range(prop, 1, 1000, 1, 3);
    RNA_def_property_ui_text(prop, "Horizontal Aspect Ratio", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "aspect_y", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "aspecty");
    RNA_def_property_range(prop, 1, FLT_MAX);
    RNA_def_property_ui_range(prop, 1, 1000, 1, 3);
    RNA_def_property_ui_text(prop, "Vertical Aspect Ratio", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "scale_x", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "scalex");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 1000, 1, 3);
    RNA_def_property_ui_text(prop, "Horizontal Scale", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "scale_y", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "scaley");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 1000, 1, 3);
    RNA_def_property_ui_text(prop, "Vertical Scale", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_image_override", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_UVPROJECT_OVERRIDEIMAGE);
    RNA_def_property_ui_text(prop, "Override Image", "Override faces' current images with the given image");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    srna= RNA_def_struct(brna, "UVProjector", NULL);
    RNA_def_struct_ui_text(srna, "UVProjector", "UV projector used by the UV project modifier");

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "Object");
    RNA_def_property_pointer_funcs(prop, "rna_UVProjector_object_get", "rna_UVProjector_object_set", NULL, NULL);
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_ui_text(prop, "Object", "Object to use as projector transform");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
}

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

    srna= RNA_def_struct(brna, "SmoothModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Smooth Modifier", "Smoothing effect modifier");
    RNA_def_struct_sdna(srna, "SmoothModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SMOOTH);

    prop= RNA_def_property(srna, "use_x", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SMOOTH_X);
    RNA_def_property_ui_text(prop, "X", "Smooth object along X axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_y", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SMOOTH_Y);
    RNA_def_property_ui_text(prop, "Y", "Smooth object along Y axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_z", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SMOOTH_Z);
    RNA_def_property_ui_text(prop, "Z", "Smooth object along Z axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "fac");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -10, 10, 1, 3);
    RNA_def_property_ui_text(prop, "Factor", "Strength of modifier effect");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "iterations", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "repeat");
    RNA_def_property_ui_range(prop, 0, 30, 1, 0);
    RNA_def_property_ui_text(prop, "Repeat", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Name of Vertex Group which determines influence of modifier per point");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_SmoothModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    static EnumPropertyItem prop_cast_type_items[] = {
        {MOD_CAST_TYPE_SPHERE, "SPHERE", 0, "Sphere", ""},
        {MOD_CAST_TYPE_CYLINDER, "CYLINDER", 0, "Cylinder", ""},
        {MOD_CAST_TYPE_CUBOID, "CUBOID", 0, "Cuboid", ""},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "CastModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Cast Modifier", "Modifier to cast to other shapes");
    RNA_def_struct_sdna(srna, "CastModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_CAST);

    prop= RNA_def_property(srna, "cast_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "type");
    RNA_def_property_enum_items(prop, prop_cast_type_items);
    RNA_def_property_ui_text(prop, "Cast Type", "Target object shape");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Object", "Control object: if available, its location determines the center of the effect");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_CastModifier_object_set", NULL, NULL);
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "use_x", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_CAST_X);
    RNA_def_property_ui_text(prop, "X", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_y", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_CAST_Y);
    RNA_def_property_ui_text(prop, "Y", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_z", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_CAST_Z);
    RNA_def_property_ui_text(prop, "Z", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "use_radius_as_size", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_CAST_SIZE_FROM_RADIUS);
    RNA_def_property_ui_text(prop, "From Radius", "Use radius as size of projection shape (0 = auto)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "use_transform", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_CAST_USE_OB_TRANSFORM);
    RNA_def_property_ui_text(prop, "Use transform", "Use object transform to control projection shape");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "fac");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -10, 10, 5, 2);
    RNA_def_property_ui_text(prop, "Factor", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "radius", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 100, 5, 2);
    RNA_def_property_ui_text(prop, "Radius", "Only deform vertices within this distance from the center of the effect (leave as 0 for infinite.)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "size", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 100, 5, 2);
    RNA_def_property_ui_text(prop, "Size", "Size of projection shape (leave as 0 for auto)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_CastModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

static void rna_def_modifier_meshdeform(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
#if 0
    static EnumPropertyItem prop_mode_items[] = {
        {0, "VOLUME", 0, "Volume", "Bind to volume inside cage mesh"},
        {1, "SURFACE", 0, "Surface", "Bind to surface of cage mesh"},
        {0, NULL, 0, NULL, NULL}};
#endif

    srna= RNA_def_struct(brna, "MeshDeformModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "MeshDeform Modifier", "Mesh deformation modifier to deform with other meshes");
    RNA_def_struct_sdna(srna, "MeshDeformModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM);

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Object", "Mesh object to deform with");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_MeshDeformModifier_object_set", NULL, NULL);
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
    
    prop= RNA_def_property(srna, "is_bound", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_funcs(prop, "rna_MeshDeformModifier_is_bound_get", NULL);
    RNA_def_property_ui_text(prop, "Bound", "Whether geometry has been bound to control cage");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    
    prop= RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MDEF_INVERT_VGROUP);
    RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_MeshDeformModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "precision", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "gridsize");
    RNA_def_property_range(prop, 2, 10);
    RNA_def_property_ui_text(prop, "Precision", "The grid size for binding");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_dynamic_bind", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MDEF_DYNAMIC_BIND);
    RNA_def_property_ui_text(prop, "Dynamic", "Recompute binding dynamically on top of other deformers (slower and more memory consuming)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

#if 0
    prop= RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_mode_items);
    RNA_def_property_ui_text(prop, "Mode", "Method of binding vertices are bound to cage mesh");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
#endif
}

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

    srna= RNA_def_struct(brna, "ParticleSystemModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "ParticleSystem Modifier", "Particle system simulation modifier");
    RNA_def_struct_sdna(srna, "ParticleSystemModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_PARTICLES);
    
    prop= RNA_def_property(srna, "particle_system", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_pointer_sdna(prop, NULL, "psys");
    RNA_def_property_ui_text(prop, "Particle System", "Particle System that this modifier controls");
}

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

    static EnumPropertyItem particleinstance_axis[] = {
        {0, "X", 0, "X", ""},
        {1, "Y", 0, "Y", ""},
        {2, "Z", 0, "Z", ""},
        {0, NULL, 0, NULL, NULL}
    };

    srna= RNA_def_struct(brna, "ParticleInstanceModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "ParticleInstance Modifier", "Particle system instancing modifier");
    RNA_def_struct_sdna(srna, "ParticleInstanceModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_PARTICLES);

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "ob");
    RNA_def_property_ui_text(prop, "Object", "Object that has the particle system");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "particle_system_index", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "psys");
    RNA_def_property_range(prop, 1, 10);
    RNA_def_property_ui_text(prop, "Particle System Number", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "axis", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "axis");
    RNA_def_property_enum_items(prop, particleinstance_axis);
    RNA_def_property_ui_text(prop, "Axis", "Pole axis for rotation");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "use_normal", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eParticleInstanceFlag_Parents);
    RNA_def_property_ui_text(prop, "Normal", "Create instances from normal particles");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_children", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eParticleInstanceFlag_Children);
    RNA_def_property_ui_text(prop, "Children", "Create instances from child particles");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_path", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eParticleInstanceFlag_Path);
    RNA_def_property_ui_text(prop, "Path", "Create instances along particle paths");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "show_unborn", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eParticleInstanceFlag_Unborn);
    RNA_def_property_ui_text(prop, "Unborn", "Show instances when particles are unborn");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "show_alive", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eParticleInstanceFlag_Alive);
    RNA_def_property_ui_text(prop, "Alive", "Show instances when particles are alive");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "show_dead", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eParticleInstanceFlag_Dead);
    RNA_def_property_ui_text(prop, "Dead", "Show instances when particles are dead");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_preserve_shape", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eParticleInstanceFlag_KeepShape);
    RNA_def_property_ui_text(prop, "Keep Shape", "Don't stretch the object");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_size", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eParticleInstanceFlag_UseSize);
    RNA_def_property_ui_text(prop, "Size", "Use particle size to scale the instances");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "position", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "position");
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_text(prop, "Position", "Position along path");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "random_position", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "random_position");
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_text(prop, "Random Position", "Randomize position along path");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "ExplodeModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Explode Modifier", "Explosion effect modifier based on a particle system");
    RNA_def_struct_sdna(srna, "ExplodeModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_EXPLODE);

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_funcs(prop, "rna_ExplodeModifier_vgroup_get", "rna_ExplodeModifier_vgroup_length", "rna_ExplodeModifier_vgroup_set");
    RNA_def_property_ui_text(prop, "Vertex Group", "");

    prop= RNA_def_property(srna, "protect", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Protect", "Clean vertex group edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_edge_cut", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eExplodeFlag_EdgeCut);
    RNA_def_property_ui_text(prop, "Cut Edges", "Cut face edges for nicer shrapnel");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "show_unborn", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eExplodeFlag_Unborn);
    RNA_def_property_ui_text(prop, "Unborn", "Show mesh when particles are unborn");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "show_alive", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eExplodeFlag_Alive);
    RNA_def_property_ui_text(prop, "Alive", "Show mesh when particles are alive");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "show_dead", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eExplodeFlag_Dead);
    RNA_def_property_ui_text(prop, "Dead", "Show mesh when particles are dead");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_size", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", eExplodeFlag_PaSize);
    RNA_def_property_ui_text(prop, "Size", "Use particle size for the shrapnel");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "particle_uv", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "uvname");
    RNA_def_property_string_maxlength(prop, MAX_CUSTOMDATA_LAYER_NAME);
    RNA_def_property_ui_text(prop, "Particle UV", "UV map to change with particle age");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "ClothModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Cloth Modifier", "Cloth simulation modifier");
    RNA_def_struct_sdna(srna, "ClothModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_CLOTH);
    
    prop= RNA_def_property(srna, "settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_pointer_sdna(prop, NULL, "sim_parms");
    RNA_def_property_ui_text(prop, "Cloth Settings", "");
    
    prop= RNA_def_property(srna, "collision_settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_pointer_sdna(prop, NULL, "coll_parms");
    RNA_def_property_ui_text(prop, "Cloth Collision Settings", "");
    
    prop= RNA_def_property(srna, "point_cache", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_ui_text(prop, "Point Cache", "");
}

static void rna_def_modifier_smoke(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    
    static EnumPropertyItem prop_smoke_type_items[] = {
            {0, "NONE", 0, "None", ""},
            {MOD_SMOKE_TYPE_DOMAIN, "DOMAIN", 0, "Domain", ""},
            {MOD_SMOKE_TYPE_FLOW, "FLOW", 0, "Flow", "Inflow/Outflow"},
            {MOD_SMOKE_TYPE_COLL, "COLLISION", 0, "Collision", ""},
            {0, NULL, 0, NULL, NULL}};
    
    srna= RNA_def_struct(brna, "SmokeModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Smoke Modifier", "Smoke simulation modifier");
    RNA_def_struct_sdna(srna, "SmokeModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SMOKE);
    
    prop= RNA_def_property(srna, "domain_settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "domain");
    RNA_def_property_ui_text(prop, "Domain Settings", "");
    
    prop= RNA_def_property(srna, "flow_settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "flow");
    RNA_def_property_ui_text(prop, "Flow Settings", "");
    
    prop= RNA_def_property(srna, "coll_settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "coll");
    RNA_def_property_ui_text(prop, "Collision Settings", "");
    
    prop= RNA_def_property(srna, "smoke_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "type");
    RNA_def_property_enum_items(prop, prop_smoke_type_items);
    RNA_def_property_ui_text(prop, "Type", "");
    RNA_def_property_update(prop, 0, "rna_Smoke_set_type");
}

static void rna_def_modifier_dynamic_paint(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    
    srna= RNA_def_struct(brna, "DynamicPaintModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Dynamic Paint Modifier", "Dynamic Paint modifier");
    RNA_def_struct_sdna(srna, "DynamicPaintModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_DYNAMICPAINT);
    
    prop= RNA_def_property(srna, "canvas_settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "canvas");
    RNA_def_property_ui_text(prop, "Canvas Settings", "");
    
    prop= RNA_def_property(srna, "brush_settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "brush");
    RNA_def_property_ui_text(prop, "Brush Settings", "");

    prop= RNA_def_property(srna, "ui_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_sdna(prop, NULL, "type");
    RNA_def_property_enum_items(prop, prop_dynamicpaint_type_items);
    RNA_def_property_ui_text(prop, "Type", "");
}

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

    srna= RNA_def_struct(brna, "CollisionModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Collision Modifier", "Collision modifier defining modifier stack position used for collision");
    RNA_def_struct_sdna(srna, "CollisionModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_PHYSICS);

    prop= RNA_def_property(srna, "settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_struct_type(prop, "CollisionSettings");
    RNA_def_property_pointer_funcs(prop, "rna_CollisionModifier_settings_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Settings", "");
}

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

    static EnumPropertyItem prop_limit_method_items[] = {
        {0, "NONE", 0, "None", "Bevel the entire mesh by a constant amount"},
        {BME_BEVEL_ANGLE, "ANGLE", 0, "Angle", "Only bevel edges with sharp enough angles between faces"},
        {BME_BEVEL_WEIGHT, "WEIGHT", 0, "Weight", "Use bevel weights to determine how much bevel is applied; apply them separately in vert/edge select mode"},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem prop_edge_weight_method_items[] = {
        {0, "AVERAGE", 0, "Average", ""},
        {BME_BEVEL_EMIN, "SHARPEST", 0, "Sharpest", ""},
        {BME_BEVEL_EMAX, "LARGEST", 0, "Largest", ""},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "BevelModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Bevel Modifier", "Bevel modifier to make edges and vertices more rounded");
    RNA_def_struct_sdna(srna, "BevelModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_BEVEL);

    prop= RNA_def_property(srna, "width", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "value");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 10, 0.1, 4);
    RNA_def_property_ui_text(prop, "Width", "Bevel value/amount");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_only_vertices", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", BME_BEVEL_VERT);
    RNA_def_property_ui_text(prop, "Only Vertices", "Bevel verts/corners, not edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "limit_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "lim_flags");
    RNA_def_property_enum_items(prop, prop_limit_method_items);
    RNA_def_property_ui_text(prop, "Limit Method", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "edge_weight_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "e_flags");
    RNA_def_property_enum_items(prop, prop_edge_weight_method_items);
    RNA_def_property_ui_text(prop, "Edge Weight Method", "What edge weight to use for weighting a vertex");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

#if 1 /* expose as radians */
    prop= RNA_def_property(srna, "angle_limit", PROP_FLOAT, PROP_ANGLE);
    RNA_def_property_float_funcs(prop, "rna_BevelModifier_angle_limit_get", "rna_BevelModifier_angle_limit_set", NULL);
    RNA_def_property_range(prop, 0, DEG2RAD(180));
    RNA_def_property_ui_range(prop, 0, DEG2RAD(180), 100, 2);
#else
    prop= RNA_def_property(srna, "angle_limit", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "bevel_angle");
    RNA_def_property_range(prop, 0, 180);
    RNA_def_property_ui_range(prop, 0, 180, 100, 2);
#endif
    RNA_def_property_ui_text(prop, "Angle", "Angle above which to bevel edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    static EnumPropertyItem shrink_type_items[] = {
        {MOD_SHRINKWRAP_NEAREST_SURFACE, "NEAREST_SURFACEPOINT", 0, "Nearest Surface Point", "Shrink the mesh to the nearest target surface"},
        {MOD_SHRINKWRAP_PROJECT, "PROJECT", 0, "Project", "Shrink the mesh to the nearest target surface along a given axis"},
        {MOD_SHRINKWRAP_NEAREST_VERTEX, "NEAREST_VERTEX", 0, "Nearest Vertex", "Shrink the mesh to the nearest target vertex"},
        {0, NULL, 0, NULL, NULL}};
    
    static EnumPropertyItem shrink_face_cull_items[] = {
        {0, "OFF", 0, "Off", "No culling"},
        {MOD_SHRINKWRAP_CULL_TARGET_FRONTFACE, "FRONT", 0, "Front", "No projection when in front of the face"},
        {MOD_SHRINKWRAP_CULL_TARGET_BACKFACE, "BACK", 0, "Back", "No projection when behind the face"},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "ShrinkwrapModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Shrinkwrap Modifier", "Shrink wrapping modifier to shrink wrap and object to a target");
    RNA_def_struct_sdna(srna, "ShrinkwrapModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SHRINKWRAP);

    prop= RNA_def_property(srna, "wrap_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "shrinkType");
    RNA_def_property_enum_items(prop, shrink_type_items);
    RNA_def_property_ui_text(prop, "Mode", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "cull_face", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "shrinkOpts");
    RNA_def_property_enum_items(prop, shrink_face_cull_items);
    RNA_def_property_enum_funcs(prop, "rna_ShrinkwrapModifier_face_cull_get", "rna_ShrinkwrapModifier_face_cull_set", NULL);
    RNA_def_property_ui_text(prop, "Face Cull", "Stop vertices from projecting to a face on the target when facing towards/away");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "target", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Target", "Mesh target to shrink to");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_ShrinkwrapModifier_target_set", NULL, "rna_Mesh_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "auxiliary_target", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "auxTarget");
    RNA_def_property_ui_text(prop, "Auxiliary Target", "Additional mesh target to shrink to");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_ShrinkwrapModifier_auxiliary_target_set", NULL, "rna_Mesh_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "vgroup_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_ShrinkwrapModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "offset", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "keepDist");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -100, 100, 1, 2);
    RNA_def_property_ui_text(prop, "Offset", "Distance to keep from the target");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_project_x", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "projAxis", MOD_SHRINKWRAP_PROJECT_OVER_X_AXIS);
    RNA_def_property_ui_text(prop, "X", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_project_y", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "projAxis", MOD_SHRINKWRAP_PROJECT_OVER_Y_AXIS);
    RNA_def_property_ui_text(prop, "Y", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_project_z", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "projAxis", MOD_SHRINKWRAP_PROJECT_OVER_Z_AXIS);
    RNA_def_property_ui_text(prop, "Z", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "subsurf_levels", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "subsurfLevels");
    RNA_def_property_range(prop, 0, 6);
    RNA_def_property_ui_range(prop, 0, 6, 1, 0);
    RNA_def_property_ui_text(prop, "Subsurf Levels", "Number of subdivisions that must be performed before extracting vertices' positions and normals");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_negative_direction", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shrinkOpts", MOD_SHRINKWRAP_PROJECT_ALLOW_NEG_DIR);
    RNA_def_property_ui_text(prop, "Negative", "Allow vertices to move in the negative direction of axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_positive_direction", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shrinkOpts", MOD_SHRINKWRAP_PROJECT_ALLOW_POS_DIR);
    RNA_def_property_ui_text(prop, "Positive", "Allow vertices to move in the positive direction of axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_keep_above_surface", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shrinkOpts", MOD_SHRINKWRAP_KEEP_ABOVE_SURFACE);
    RNA_def_property_ui_text(prop, "Keep Above Surface", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    srna= RNA_def_struct(brna, "FluidSimulationModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Fluid Simulation Modifier", "Fluid simulation modifier");
    RNA_def_struct_sdna(srna, "FluidsimModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_FLUIDSIM);

    prop= RNA_def_property(srna, "settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NEVER_NULL);
    RNA_def_property_pointer_sdna(prop, NULL, "fss");
    RNA_def_property_ui_text(prop, "Settings", "Settings for how this object is used in the fluid simulation");
}

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

    static EnumPropertyItem modifier_mask_mode_items[] = {
        {MOD_MASK_MODE_VGROUP, "VERTEX_GROUP", 0, "Vertex Group", ""},
        {MOD_MASK_MODE_ARM, "ARMATURE", 0, "Armature", ""},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "MaskModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Mask Modifier", "Mask modifier to hide parts of the mesh");
    RNA_def_struct_sdna(srna, "MaskModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_MASK);

    prop= RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, modifier_mask_mode_items);
    RNA_def_property_ui_text(prop, "Mode", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "armature", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "ob_arm");
    RNA_def_property_ui_text(prop, "Armature", "Armature to use as source of bones to mask");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_MaskModifier_armature_set", NULL, "rna_Armature_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "vgroup");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_MaskModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MASK_INV);
    RNA_def_property_ui_text(prop, "Invert", "Use vertices that are not part of region defined");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

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

    static EnumPropertyItem simple_deform_mode_items[] = {
        {MOD_SIMPLEDEFORM_MODE_TWIST, "TWIST", 0, "Twist", "Rotate around the Z axis of the modifier space"},
        {MOD_SIMPLEDEFORM_MODE_BEND, "BEND", 0, "Bend", "Bend the mesh over the Z axis of the modifier space"},
        {MOD_SIMPLEDEFORM_MODE_TAPER, "TAPER", 0, "Taper", "Linearly scale along Z axis of the modifier space"},
        {MOD_SIMPLEDEFORM_MODE_STRETCH, "STRETCH", 0, "Stretch", "Stretch the object along the Z axis of the modifier space"},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "SimpleDeformModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "SimpleDeform Modifier", "Simple deformation modifier to apply effects such as twisting and bending");
    RNA_def_struct_sdna(srna, "SimpleDeformModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SIMPLEDEFORM);

    prop= RNA_def_property(srna, "deform_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "mode");
    RNA_def_property_enum_items(prop, simple_deform_mode_items);
    RNA_def_property_ui_text(prop, "Mode", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "vgroup_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_SimpleDeformModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "origin", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Origin", "Origin of modifier space coordinates");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "use_relative", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "originOpts", MOD_SIMPLEDEFORM_ORIGIN_LOCAL);
    RNA_def_property_ui_text(prop, "Relative", "Set the origin of deform space to be relative to the object");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -10, 10, 1, 3);
    RNA_def_property_ui_text(prop, "Factor", "Amount to deform object");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "limits", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "limit");
    RNA_def_property_array(prop, 2);
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_range(prop, 0, 1, 5, 2);
    RNA_def_property_ui_text(prop, "Limits", "Lower/Upper limits for deform");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "lock_x", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "axis", MOD_SIMPLEDEFORM_LOCK_AXIS_X);
    RNA_def_property_ui_text(prop, "Lock X Axis", "Do not allow tapering along the X axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "lock_y", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "axis", MOD_SIMPLEDEFORM_LOCK_AXIS_Y);
    RNA_def_property_ui_text(prop, "Lock Y Axis", "Do not allow tapering along the Y axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

static void rna_def_modifier_surface(BlenderRNA *brna)
{
    StructRNA *srna;

    srna= RNA_def_struct(brna, "SurfaceModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Surface Modifier", "Surface modifier defining modifier stack position used for surface fields");
    RNA_def_struct_sdna(srna, "SurfaceModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_PHYSICS);
}

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

    srna= RNA_def_struct(brna, "SolidifyModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Solidify Modifier", "Create a solid skin by extruding, compensating for sharp angles");
    RNA_def_struct_sdna(srna, "SolidifyModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SOLIDIFY);

    prop= RNA_def_property(srna, "thickness", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "offset");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -10, 10, 0.1, 4);
    RNA_def_property_ui_text(prop, "Thickness", "Thickness of the shell");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "thickness_vertex_group", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "offset_fac_vg");
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
    RNA_def_property_ui_text(prop, "Vertex Group Factor", "Thickness factor to use for zero vertex group influence");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "offset", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "offset_fac");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -1, 1, 0.1, 4);
    RNA_def_property_ui_text(prop, "Offset", "Offset the thickness from the center");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "edge_crease_inner", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "crease_inner");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
    RNA_def_property_ui_text(prop, "Inner Crease", "Assign a crease to inner edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "edge_crease_outer", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "crease_outer");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
    RNA_def_property_ui_text(prop, "Outer Crease", "Assign a crease to outer edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "edge_crease_rim", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "crease_rim");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
    RNA_def_property_ui_text(prop, "Rim Crease", "Assign a crease to the edges making up the rim");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "material_offset", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "mat_ofs");
    RNA_def_property_range(prop, SHRT_MIN, SHRT_MAX);
    RNA_def_property_ui_text(prop, "Material Offset", "Offset material index of generated faces");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "material_offset_rim", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "mat_ofs_rim");
    RNA_def_property_range(prop, SHRT_MIN, SHRT_MAX);
    RNA_def_property_ui_text(prop, "Rim Material Offset", "Offset material index of generated rim faces");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_SolidifyModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_rim", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SOLIDIFY_RIM);
    RNA_def_property_ui_text(prop, "Fill Rim", "Create edge loops between the inner and outer surfaces on face edges (slow, disable when not needed)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_even_offset", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SOLIDIFY_EVEN);
    RNA_def_property_ui_text(prop, "Even Thickness", "Maintain thickness by adjusting for sharp corners (slow, disable when not needed)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_quality_normals", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SOLIDIFY_NORMAL_CALC);
    RNA_def_property_ui_text(prop, "High Quality Normals", "Calculate normals which result in more even thickness (slow, disable when not needed)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SOLIDIFY_VGROUP_INV);
    RNA_def_property_ui_text(prop, "Vertex Group Invert", "Invert the vertex group influence");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    
}

static void rna_def_modifier_screw(BlenderRNA *brna)
{
    static EnumPropertyItem axis_items[]= {
        {0, "X", 0, "X Axis", ""},
        {1, "Y", 0, "Y Axis", ""},
        {2, "Z", 0, "Z Axis", ""},
        {0, NULL, 0, NULL, NULL}};

    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "ScrewModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Screw Modifier", "Revolve edges");
    RNA_def_struct_sdna(srna, "ScrewModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SCREW);

    prop= RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "ob_axis");
    RNA_def_property_ui_text(prop, "Object", "Object to define the screw axis");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "steps", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_range(prop, 2, 10000);
    RNA_def_property_ui_range(prop, 3, 512, 1, 0);
    RNA_def_property_ui_text(prop, "Steps", "Number of steps in the revolution");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "render_steps", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_range(prop, 2, 10000);
    RNA_def_property_ui_range(prop, 2, 512, 1, 0);
    RNA_def_property_ui_text(prop, "Render Steps", "Number of steps in the revolution");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "iterations", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "iter");
    RNA_def_property_range(prop, 1, 10000);
    RNA_def_property_ui_range(prop, 1, 100, 1, 0);
    RNA_def_property_ui_text(prop, "Iterations", "Number of times to apply the screw operation");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "axis", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, axis_items);
    RNA_def_property_ui_text(prop, "Axis", "Screw axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "angle", PROP_FLOAT, PROP_ANGLE);
    RNA_def_property_ui_range(prop, 0, -M_PI*2, M_PI*2, 2);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_text(prop, "Angle", "Angle of revolution");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "screw_offset", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "screw_ofs");
    RNA_def_property_ui_text(prop, "Screw", "Offset the revolution along its axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_normal_flip", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SCREW_NORMAL_FLIP);
    RNA_def_property_ui_text(prop, "Flip", "Flip normals of lathed faces");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_normal_calculate", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SCREW_NORMAL_CALC);
    RNA_def_property_ui_text(prop, "Calc Order", "Calculate the order of edges (needed for meshes, but not curves)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_object_screw_offset", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SCREW_OBJECT_OFFSET);
    RNA_def_property_ui_text(prop, "Object Screw", "Use the distance between the objects to make a screw");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    /*prop= RNA_def_property(srna, "use_angle_object", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SCREW_OBJECT_ANGLE);
    RNA_def_property_ui_text(prop, "Object Angle", "Use the angle between the objects rather than the fixed angle");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");*/
}

static void rna_def_modifier_weightvg_mask(BlenderRNA *brna, StructRNA *srna)
{
    static EnumPropertyItem weightvg_mask_tex_map_items[] = {
        {MOD_DISP_MAP_LOCAL, "LOCAL", 0, "Local", "Use local generated coordinates"},
        {MOD_DISP_MAP_GLOBAL, "GLOBAL", 0, "Global", "Use global coordinates"},
        {MOD_DISP_MAP_OBJECT, "OBJECT", 0, "Object", "Use local generated coordinates of another object"},
        {MOD_DISP_MAP_UV, "UV", 0, "UV", "Use coordinates from an UV layer"},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem weightvg_mask_tex_used_items[] = {
        {MOD_WVG_MASK_TEX_USE_INT, "INT", 0, "Intensity", ""},
        {MOD_WVG_MASK_TEX_USE_RED, "RED", 0, "Red", ""},
        {MOD_WVG_MASK_TEX_USE_GREEN, "GREEN", 0, "Green", ""},
        {MOD_WVG_MASK_TEX_USE_BLUE, "BLUE", 0, "Blue", ""},
        {MOD_WVG_MASK_TEX_USE_HUE, "HUE", 0, "Hue", ""},
        {MOD_WVG_MASK_TEX_USE_SAT, "SAT", 0, "Saturation", ""},
        {MOD_WVG_MASK_TEX_USE_VAL, "VAL", 0, "Value", ""},
        {MOD_WVG_MASK_TEX_USE_ALPHA, "ALPHA", 0, "Alpha", ""},
        {0, NULL, 0, NULL, NULL}};

    PropertyRNA *prop;

    prop= RNA_def_property(srna, "mask_constant", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, 0);
    RNA_def_property_ui_text(prop, "Influence", "Global influence of current modifications on vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mask_vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "mask_defgrp_name");
    RNA_def_property_ui_text(prop, "Mask VGroup", "Masking vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WeightVGModifier_mask_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mask_texture", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Masking Tex", "Masking texture");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mask_tex_use_channel", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, weightvg_mask_tex_used_items);
    RNA_def_property_ui_text(prop, "Use Channel", "Which texture channel to use for masking");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mask_tex_mapping", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, weightvg_mask_tex_map_items);
    RNA_def_property_ui_text(prop, "Texture Coordinates", "Which texture coordinates "
                                                          "to use for mapping");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "mask_tex_uv_layer", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "mask_tex_uvlayer_name");
    RNA_def_property_ui_text(prop, "UV Map", "UV map name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WeightVGModifier_mask_uvlayer_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mask_tex_map_object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "mask_tex_map_obj");
    RNA_def_property_ui_text(prop, "Texture Coordinate Object", "Which object to take texture "
                                                                "coordinates from");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
}

static void rna_def_modifier_weightvgedit(BlenderRNA *brna)
{
    static EnumPropertyItem weightvg_edit_falloff_type_items[] = {
        {MOD_WVG_MAPPING_NONE, "LINEAR", ICON_LINCURVE, "Linear", "Null action"},
        {MOD_WVG_MAPPING_CURVE, "CURVE", ICON_RNDCURVE, "Custom Curve", ""},
        {MOD_WVG_MAPPING_SHARP, "SHARP", ICON_SHARPCURVE, "Sharp", ""},
        {MOD_WVG_MAPPING_SMOOTH, "SMOOTH", ICON_SMOOTHCURVE, "Smooth", ""},
        {MOD_WVG_MAPPING_ROOT, "ROOT", ICON_ROOTCURVE, "Root", ""},
        {MOD_WVG_MAPPING_SPHERE, "ICON_SPHERECURVE", ICON_SPHERECURVE, "Sphere", ""},
        {MOD_WVG_MAPPING_RANDOM, "RANDOM", ICON_RNDCURVE, "Random", ""},
        {MOD_WVG_MAPPING_STEP, "STEP", ICON_NOCURVE /* Would need a better icon... */, "Median Step",
                               "Map all values below 0.5 to 0.0, and all others to 1.0"},
        {0, NULL, 0, NULL, NULL}};

    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "VertexWeightEditModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "WeightVG Edit Modifier",
                           "Edit the weights of vertices in a group");
    RNA_def_struct_sdna(srna, "WeightVGEditModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_VERTEX_WEIGHT);

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WeightVGModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, weightvg_edit_falloff_type_items);
    RNA_def_property_ui_text(prop, "Falloff Type", "How weights are mapped to there new values");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_add", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "edit_flags", MOD_WVG_EDIT_ADD2VG);
    RNA_def_property_ui_text(prop, "Group Add", "Add vertices with weight over threshold "
                                                "to vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "use_remove", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "edit_flags", MOD_WVG_EDIT_REMFVG);
    RNA_def_property_ui_text(prop, "Group Remove", "Remove vertices with weight below threshold "
                                                   "from vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "default_weight", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0.0, 1.0f);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, 0);
    RNA_def_property_ui_text(prop, "Default Weight", "Default weight a vertex will have if "
                                                     "it is not in the vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "map_curve", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "cmap_curve");
    RNA_def_property_ui_text(prop, "Mapping Curve", "Custom mapping curve");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "add_threshold", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "add_threshold");
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, 0);
    RNA_def_property_ui_text(prop, "Add Threshold", "Lower bound for a vertex's weight "
                                                    "to be added to the vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "remove_threshold", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "rem_threshold");
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, 0);
    RNA_def_property_ui_text(prop, "Rem Threshold", "Upper bound for a vertex's weight "
                                                    "to be removed from the vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    /* Common masking properties. */
    rna_def_modifier_weightvg_mask(brna, srna);
}

static void rna_def_modifier_weightvgmix(BlenderRNA *brna)
{
    static EnumPropertyItem weightvg_mix_modes_items[] = {
        {MOD_WVG_MIX_SET, "SET", 0, "Replace", "Replace VGroup A's weights by VGroup B's ones"},
        {MOD_WVG_MIX_ADD, "ADD", 0, "Add", "Add VGroup B's weights to VGroup A's ones"},
        {MOD_WVG_MIX_SUB, "SUB", 0, "Subtract", "Subtract VGroup B's weights from VGroup A's ones"},
        {MOD_WVG_MIX_MUL, "MUL", 0, "Multiply", "Multiply VGroup A's weights by VGroup B's ones"},
        {MOD_WVG_MIX_DIV, "DIV", 0, "Divide", "Divide VGroup A's weights by VGroup B's ones"},
        {MOD_WVG_MIX_DIF, "DIF", 0, "Difference", "Difference between VGroup A's and VGroup B's weigths"},
        {MOD_WVG_MIX_AVG, "AVG", 0, "Average", "Average value of VGroup A's and VGroup B's weigths"},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem weightvg_mix_set_items[] = {
        {MOD_WVG_SET_ALL,   "ALL",   0, "All", "Affect all vertices (might add some to VGroup A)"},
        {MOD_WVG_SET_A,     "A",   0, "VGroup A", "Affect vertices in VGroup A"},
        {MOD_WVG_SET_B,     "B",   0, "VGroup B", "Affect vertices in VGroup B (might add some to VGroup A)"},
        {MOD_WVG_SET_OR,    "OR", 0, "VGroup A or B", "Affect vertices in at least one of both VGroups (might add some to VGroup A)"},
        {MOD_WVG_SET_AND,   "AND", 0, "VGroup A and B", "Affect vertices in both groups"},
        {0, NULL, 0, NULL, NULL}};

    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "VertexWeightMixModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "WeightVG Mix Modifier",
                           "Mix the weights of two vertex groups");
    RNA_def_struct_sdna(srna, "WeightVGMixModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_VERTEX_WEIGHT);

    prop= RNA_def_property(srna, "vertex_group_a", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name_a");
    RNA_def_property_ui_text(prop, "Vertex Group A", "First vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WeightVGModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "vertex_group_b", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name_b");
    RNA_def_property_ui_text(prop, "Vertex Group B", "Second vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WeightVGMixModifier_vgroup2_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "default_weight_a", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0.0, 1.0f);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, 0);
    RNA_def_property_ui_text(prop, "Default Weight A", "Default weight a vertex will have if "
                                                       "it is not in the first A vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "default_weight_b", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0.0, 1.0f);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, 0);
    RNA_def_property_ui_text(prop, "Default Weight B", "Default weight a vertex will have if "
                                                       "it is not in the second B vgroup");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mix_mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, weightvg_mix_modes_items);
    RNA_def_property_ui_text(prop, "Mix Mode", "How weights from vgroup B affect weights "
                                               "of vgroup A");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "mix_set", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, weightvg_mix_set_items);
    RNA_def_property_ui_text(prop, "Vertex Set", "Which vertices should be affected");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    /* Common masking properties. */
    rna_def_modifier_weightvg_mask(brna, srna);
}

static void rna_def_modifier_weightvgproximity(BlenderRNA *brna)
{
    static EnumPropertyItem weightvg_proximity_modes_items[] = {
        {MOD_WVG_PROXIMITY_OBJECT, "OBJECT", 0, "Object Distance",
                                   "Use distance between affected and target objects"},
        {MOD_WVG_PROXIMITY_GEOMETRY, "GEOMETRY", 0, "Geometry Distance",
                                     "Use distance between affected object's vertices and target "
                                     "object, or target object's geometry"},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem proximity_geometry_items[] = {
        {MOD_WVG_PROXIMITY_GEOM_VERTS, "VERTEX", ICON_VERTEXSEL, "Vertex", "Compute distance to nearest vertex"},
        {MOD_WVG_PROXIMITY_GEOM_EDGES, "EDGE", ICON_EDGESEL, "Edge", "Compute distance to nearest edge"},
        {MOD_WVG_PROXIMITY_GEOM_FACES, "FACE", ICON_FACESEL, "Face", "Compute distance to nearest face"},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem weightvg_proximity_falloff_type_items[] = {
        {MOD_WVG_MAPPING_NONE, "LINEAR", ICON_LINCURVE, "Linear", "Null action"},
        /* No curve mapping here! */
        {MOD_WVG_MAPPING_SHARP, "SHARP", ICON_SHARPCURVE, "Sharp", ""},
        {MOD_WVG_MAPPING_SMOOTH, "SMOOTH", ICON_SMOOTHCURVE, "Smooth", ""},
        {MOD_WVG_MAPPING_ROOT, "ROOT", ICON_ROOTCURVE, "Root", ""},
        {MOD_WVG_MAPPING_SPHERE, "ICON_SPHERECURVE", ICON_SPHERECURVE, "Sphere", ""},
        {MOD_WVG_MAPPING_RANDOM, "RANDOM", ICON_RNDCURVE, "Random", ""},
        {MOD_WVG_MAPPING_STEP, "STEP", ICON_NOCURVE /* Would need a better icon... */, "Median Step",
                               "Map all values below 0.5 to 0.0, and all others to 1.0"},
        {0, NULL, 0, NULL, NULL}};

    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "VertexWeightProximityModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "WeightVG Proximity Modifier",
                           "Set the weights of vertices in a group from a target object's "
                           "distance");
    RNA_def_struct_sdna(srna, "WeightVGProximityModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_VERTEX_WEIGHT);

    prop= RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WeightVGModifier_vgroup_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "proximity_mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, weightvg_proximity_modes_items);
    RNA_def_property_enum_default(prop, MOD_WVG_PROXIMITY_GEOMETRY);
    RNA_def_property_ui_text(prop, "Proximity Mode", "Which distances to target object to use");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "proximity_geometry", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "proximity_flags");
    RNA_def_property_enum_items(prop, proximity_geometry_items);
    RNA_def_property_flag(prop, PROP_ENUM_FLAG); /* important to run before default set */
    RNA_def_property_enum_default(prop, MOD_WVG_PROXIMITY_GEOM_FACES);
    RNA_def_property_ui_text(prop, "Proximity Geometry",
                             "Use the shortest computed distance to target object's geometry "
                             "as weight");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "target", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "proximity_ob_target");
    RNA_def_property_ui_text(prop, "Target Object", "Object to calculate vertices distances from");
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");

    prop= RNA_def_property(srna, "min_dist", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_range(prop, 0.0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0, 1000.0, 10, 0);
    RNA_def_property_ui_text(prop, "Lowest Dist", "Distance mapping to weight 0.0");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "max_dist", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_range(prop, 0.0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0, 1000.0, 10, 0);
    RNA_def_property_ui_text(prop, "Highest Dist", "Distance mapping to weight 1.0");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, weightvg_proximity_falloff_type_items);
    RNA_def_property_ui_text(prop, "Falloff Type", "How weights are mapped to there new values");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    /* Common masking properties. */
    rna_def_modifier_weightvg_mask(brna, srna);
}

static void rna_def_modifier_remesh(BlenderRNA *brna)
{
    static EnumPropertyItem mode_items[]= {
        {MOD_REMESH_CENTROID, "BLOCKS", 0, "Blocks", "Output a blocky surface with no smoothing"},
        {MOD_REMESH_MASS_POINT, "SMOOTH", 0, "Smooth", "Output a smooth surface with no sharp-features detection"},
        {MOD_REMESH_SHARP_FEATURES, "SHARP", 0, "Sharp", "Output a surface that reproduces sharp edges and corners from the input mesh"},
        {0, NULL, 0, NULL, NULL}};

    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "RemeshModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Remesh Modifier", "Generate a new surface with regular topology that follows the shape of the input mesh");
    RNA_def_struct_sdna(srna, "RemeshModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_REMESH);

    prop= RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, mode_items);
    RNA_def_property_ui_text(prop, "Mode", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "scale", PROP_FLOAT, PROP_NONE);
    RNA_def_property_ui_range(prop, 0, 0.99, 0.01, 3);
    RNA_def_property_range(prop, 0, 0.99);
    RNA_def_property_ui_text(prop, "Scale", "The ratio of the largest dimension of the model over the size of the grid");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_NONE);
    RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Threshold", "If removing disconnected pieces, minimum size of components to preserve as a ratio of the number of polygons in the largest component");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "octree_depth", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "depth");
    RNA_def_property_range(prop, 1, 10);
    RNA_def_property_ui_text(prop, "Octree Depth", "Resolution of the octree; higher values give finer details");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "sharpness", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "hermite_num");
    RNA_def_property_ui_range(prop, 0, 2, 0.1, 3);
    RNA_def_property_ui_text(prop, "Sharpness", "Tolerance for outliers; lower values filter noise while higher values will reproduce edges closer to the input");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    prop= RNA_def_property(srna, "remove_disconnected_pieces", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_REMESH_FLOOD_FILL);
    RNA_def_property_ui_text(prop, "Remove Disconnected Pieces", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
}

static void rna_def_modifier_ocean(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    
    static EnumPropertyItem geometry_items[]= {
        {MOD_OCEAN_GEOM_GENERATE, "GENERATE", 0, "Generate", "Generate ocean surface geometry at the specified resolution"},
        {MOD_OCEAN_GEOM_DISPLACE, "DISPLACE", 0, "Displace", "Displace existing geometry according to simulation"},
        //{MOD_OCEAN_GEOM_SIM_ONLY, "SIM_ONLY", 0, "Sim Only", "Leaves geometry unchanged, but still runs simulation (to be used from texture)"},
        {0, NULL, 0, NULL, NULL}};
    
    srna= RNA_def_struct(brna, "OceanModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Ocean Modifier", "Simulate an ocean surface");
    RNA_def_struct_sdna(srna, "OceanModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_FLUIDSIM);
    
    /* General check if blender was built with OceanSim modifier support */
    prop= RNA_def_property(srna, "is_build_enabled", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_funcs(prop, "rna_OceanModifier_is_build_enabled_get", NULL);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Build Enabled", "True if the OceanSim modifier is enabled in this build");
    
    prop= RNA_def_property(srna, "geometry_mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "geometry_mode");
    RNA_def_property_enum_items(prop, geometry_items);
    RNA_def_property_ui_text(prop, "Geometry", "Method of modifying geometry");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "size", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "size");
    RNA_def_property_ui_text(prop, "Size", "");
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, 0);
    RNA_def_property_update(prop, 0, "rna_OceanModifier_topology_update");
    
    prop= RNA_def_property(srna, "repeat_x", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "repeat_x");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_range(prop, 1, 1024);
    RNA_def_property_ui_range(prop, 1, 100, 1, 0);
    RNA_def_property_ui_text(prop, "Repeat X", "Repetitions of the generated surface in X");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_topology_update");
    
    prop= RNA_def_property(srna, "repeat_y", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "repeat_y");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_range(prop, 1, 1024);
    RNA_def_property_ui_range(prop, 1, 100, 1, 0);
    RNA_def_property_ui_text(prop, "Repeat Y", "Repetitions of the generated surface in Y");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_topology_update");

    prop= RNA_def_property(srna, "use_normals", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_OCEAN_GENERATE_NORMALS);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Generate Normals", "Output normals for bump mapping - disabling can speed up performance if its not needed");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "use_foam", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_OCEAN_GENERATE_FOAM);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Generate Foam", "Generate foam mask as a vertex color channel");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "resolution", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "resolution");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_range(prop, 1, 1024);
    RNA_def_property_ui_range(prop, 1, 32, 1, 0);
    RNA_def_property_ui_text(prop, "Resolution", "Resolution of the generated surface");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "spatial_size", PROP_INT, PROP_DISTANCE);
    RNA_def_property_int_sdna(prop, NULL, "spatial_size");
    RNA_def_property_ui_range(prop, 1, 512, 2, 0);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Spatial Size", "Physical size of the simulation domain (m)");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "wind_velocity", PROP_FLOAT, PROP_VELOCITY);
    RNA_def_property_float_sdna(prop, NULL, "wind_velocity");
    RNA_def_property_ui_text(prop, "Wind Velocity", "Wind speed (m/s)");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "damping", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "damp");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Damping", "Damp reflected waves going in opposite direction to the wind");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "wave_scale_min", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "smallest_wave");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_range(prop, 0.0, FLT_MAX);
    RNA_def_property_ui_text(prop, "Smallest Wave", "Shortest allowed wavelength (m)");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "wave_alignment", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "wave_alignment");
    RNA_def_property_range(prop, 0.0, 10.0);
    RNA_def_property_ui_text(prop, "Wave Alignment", "");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "wave_direction", PROP_FLOAT, PROP_ANGLE);
    RNA_def_property_float_sdna(prop, NULL, "wave_direction");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Wave Direction", "");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "wave_scale", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "wave_scale");
    RNA_def_property_ui_text(prop, "Wave Scale", "");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_sim_update");
    
    prop= RNA_def_property(srna, "depth", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "depth");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Depth", "");
    RNA_def_property_ui_range(prop, 0, 250, 1, 0);
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "foam_coverage", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "foam_coverage");
    RNA_def_property_ui_text(prop, "Foam Coverage", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "bake_foam_fade", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "foam_fade");
    RNA_def_property_ui_text(prop, "Foam Fade", "");
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, 0);
    RNA_def_property_update(prop, 0, NULL);
    
    prop= RNA_def_property(srna, "foam_layer_name", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "foamlayername");
    RNA_def_property_ui_text(prop, "Foam Layer Name", "Name of the vertex color layer used for foam");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "choppiness", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "chop_amount");
    RNA_def_property_ui_text(prop, "Choppiness", "");
    RNA_def_property_ui_range(prop, 0.0, 4.0, 3, 0);
    RNA_def_property_float_funcs(prop, NULL, "rna_OceanModifier_ocean_chop_set", NULL);
    RNA_def_property_update(prop, 0, "rna_OceanModifier_sim_update");
    
    prop= RNA_def_property(srna, "time", PROP_FLOAT, PROP_UNSIGNED);
    RNA_def_property_float_sdna(prop, NULL, "time");
    RNA_def_property_ui_text(prop, "Time", "");
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, 0);
    RNA_def_property_update(prop, 0, "rna_OceanModifier_sim_update");
    
    prop= RNA_def_property(srna, "random_seed", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "seed");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Random Seed", "");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "frame_start", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "bakestart");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Bake Start", "");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "frame_end", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "bakeend");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Bake End", "");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
    
    prop= RNA_def_property(srna, "is_cached", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "cached", 1);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Ocean is Cached", "Whether the ocean is using cached data or simulating");

    prop= RNA_def_property(srna, "filepath", PROP_STRING, PROP_DIRPATH);
    RNA_def_property_string_sdna(prop, NULL, "cachepath");
    RNA_def_property_ui_text(prop, "Cache Path", "Path to a folder to store external baked images");
    //RNA_def_property_update(prop, 0, "rna_Modifier_update");
    // XXX how to update?
}


void RNA_def_modifier(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    
    /* data */
    srna= RNA_def_struct(brna, "Modifier", NULL);
    RNA_def_struct_ui_text(srna , "Modifier", "Modifier affecting the geometry data of an object");
    RNA_def_struct_refine_func(srna, "rna_Modifier_refine");
    RNA_def_struct_path_func(srna, "rna_Modifier_path");
    RNA_def_struct_sdna(srna, "ModifierData");
    
    /* strings */
    prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_Modifier_name_set");
    RNA_def_property_ui_text(prop, "Name", "Modifier name");
    RNA_def_property_update(prop, NC_OBJECT|ND_MODIFIER|NA_RENAME, NULL);
    RNA_def_struct_name_property(srna, prop);
    
    /* enums */
    prop= RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_enum_sdna(prop, NULL, "type");
    RNA_def_property_enum_items(prop, modifier_type_items);
    RNA_def_property_ui_text(prop, "Type", "");
    
    /* flags */
    prop= RNA_def_property(srna, "show_viewport", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_Realtime);
    RNA_def_property_ui_text(prop, "Realtime", "Realtime display of a modifier");
    RNA_def_property_flag(prop, PROP_LIB_EXCEPTION);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_ui_icon(prop, ICON_RESTRICT_VIEW_OFF, 0);
    
    prop= RNA_def_property(srna, "show_render", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_Render);
    RNA_def_property_ui_text(prop, "Render", "Use modifier during rendering");
    RNA_def_property_ui_icon(prop, ICON_SCENE, 0);
    RNA_def_property_update(prop, NC_OBJECT|ND_MODIFIER, NULL);
    
    prop= RNA_def_property(srna, "show_in_editmode", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_Editmode);
    RNA_def_property_ui_text(prop, "Editmode", "Use modifier while in the edit mode");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_ui_icon(prop, ICON_EDITMODE_HLT, 0);
    
    prop= RNA_def_property(srna, "show_on_cage", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_OnCage);
    RNA_def_property_ui_text(prop, "On Cage", "Enable direct editing of modifier control cage");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    
    prop= RNA_def_property(srna, "show_expanded", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_Expanded);
    RNA_def_property_ui_text(prop, "Expanded", "Set modifier expanded in the user interface");
    RNA_def_property_ui_icon(prop, ICON_TRIA_RIGHT, 1);

    prop= RNA_def_property(srna, "use_apply_on_spline", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_ApplyOnSpline);
    RNA_def_property_ui_text(prop, "Apply on spline", "Apply this and all preceding deformation modifiers on splines' points rather than on filled curve/surface");
    RNA_def_property_ui_icon(prop, ICON_SURFACE_DATA, 0);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");

    /* types */
    rna_def_modifier_subsurf(brna);
    rna_def_modifier_lattice(brna);
    rna_def_modifier_curve(brna);
    rna_def_modifier_build(brna);
    rna_def_modifier_mirror(brna);
    rna_def_modifier_decimate(brna);
    rna_def_modifier_wave(brna);
    rna_def_modifier_armature(brna);
    rna_def_modifier_hook(brna);
    rna_def_modifier_softbody(brna);
    rna_def_modifier_boolean(brna);
    rna_def_modifier_array(brna);
    rna_def_modifier_edgesplit(brna);
    rna_def_modifier_displace(brna);
    rna_def_modifier_uvproject(brna);
    rna_def_modifier_smooth(brna);
    rna_def_modifier_cast(brna);
    rna_def_modifier_meshdeform(brna);
    rna_def_modifier_particlesystem(brna);
    rna_def_modifier_particleinstance(brna);
    rna_def_modifier_explode(brna);
    rna_def_modifier_cloth(brna);
    rna_def_modifier_collision(brna);
    rna_def_modifier_bevel(brna);
    rna_def_modifier_shrinkwrap(brna);
    rna_def_modifier_fluidsim(brna);
    rna_def_modifier_mask(brna);
    rna_def_modifier_simpledeform(brna);
    rna_def_modifier_warp(brna);
    rna_def_modifier_multires(brna);
    rna_def_modifier_surface(brna);
    rna_def_modifier_smoke(brna);
    rna_def_modifier_solidify(brna);
    rna_def_modifier_screw(brna);
    rna_def_modifier_weightvgedit(brna);
    rna_def_modifier_weightvgmix(brna);
    rna_def_modifier_weightvgproximity(brna);
    rna_def_modifier_dynamic_paint(brna);
    rna_def_modifier_ocean(brna);
    rna_def_modifier_remesh(brna);
}

#endif