text: /*
   * 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.
   */
  
  /** \file
   * \ingroup RNA
   */
  
  #include <float.h>
  #include <limits.h>
  #include <stdlib.h>
  
  #include "DNA_armature_types.h"
  #include "DNA_cachefile_types.h"
  #include "DNA_mesh_types.h"
  #include "DNA_modifier_types.h"
  #include "DNA_object_types.h"
  #include "DNA_object_force_types.h"
  #include "DNA_scene_types.h"
  
  #include "MEM_guardedalloc.h"
  
  #include "BLI_math.h"
  
  #include "BLT_translation.h"
  
  #include "BKE_animsys.h"
  #include "BKE_data_transfer.h"
  #include "BKE_dynamicpaint.h"
  #include "BKE_effect.h"
  #include "BKE_mesh_mapping.h"
  #include "BKE_mesh_remap.h"
  #include "BKE_multires.h"
  #include "BKE_ocean.h"
  #include "BKE_smoke.h" /* For smokeModifier_free & smokeModifier_createType */
  
  #include "RNA_access.h"
  #include "RNA_define.h"
  #include "RNA_enum_types.h"
  
  #include "rna_internal.h"
  
  #include "WM_api.h"
  #include "WM_types.h"
  
  const EnumPropertyItem rna_enum_object_modifier_type_items[] = {
      {0, "", 0, N_("Modify"), ""},
      {eModifierType_DataTransfer, "DATA_TRANSFER", ICON_MOD_DATA_TRANSFER, "Data Transfer", ""},
      {eModifierType_MeshCache, "MESH_CACHE", ICON_MOD_MESHDEFORM, "Mesh Cache", ""},
      {eModifierType_MeshSequenceCache,
       "MESH_SEQUENCE_CACHE",
       ICON_MOD_MESHDEFORM,
       "Mesh Sequence Cache",
       ""},
      {eModifierType_NormalEdit, "NORMAL_EDIT", ICON_MOD_NORMALEDIT, "Normal Edit", ""},
      {eModifierType_WeightedNormal, "WEIGHTED_NORMAL", ICON_MOD_NORMALEDIT, "Weighted Normal", ""},
      {eModifierType_UVProject, "UV_PROJECT", ICON_MOD_UVPROJECT, "UV Project", ""},
      {eModifierType_UVWarp, "UV_WARP", ICON_MOD_UVPROJECT, "UV Warp", ""},
      {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, N_("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_Skin, "SKIN", ICON_MOD_SKIN, "Skin", ""},
      {eModifierType_Solidify, "SOLIDIFY", ICON_MOD_SOLIDIFY, "Solidify", ""},
      {eModifierType_Subsurf, "SUBSURF", ICON_MOD_SUBSURF, "Subdivision Surface", ""},
      {eModifierType_Triangulate, "TRIANGULATE", ICON_MOD_TRIANGULATE, "Triangulate", ""},
      {eModifierType_Wireframe,
       "WIREFRAME",
       ICON_MOD_WIREFRAME,
       "Wireframe",
       "Generate a wireframe on the edges of a mesh"},
      {eModifierType_OpenMeshEffect, "OPENMESHEFFECT", ICON_MOD_ARRAY, "Open Mesh Effect", ""},
      {0, "", 0, N_("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_LaplacianDeform,
       "LAPLACIANDEFORM",
       ICON_MOD_MESHDEFORM,
       "Laplacian Deform",
       ""},
      {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_CorrectiveSmooth,
       "CORRECTIVE_SMOOTH",
       ICON_MOD_SMOOTH,
       "Smooth Corrective",
       ""},
      {eModifierType_LaplacianSmooth, "LAPLACIANSMOOTH", ICON_MOD_SMOOTH, "Smooth Laplacian", ""},
      {eModifierType_SurfaceDeform, "SURFACE_DEFORM", ICON_MOD_MESHDEFORM, "Surface Deform", ""},
      {eModifierType_Warp, "WARP", ICON_MOD_WARP, "Warp", ""},
      {eModifierType_Wave, "WAVE", ICON_MOD_WAVE, "Wave", ""},
      {0, "", 0, N_("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_OCEAN, "Ocean", ""},
      {eModifierType_ParticleInstance,
       "PARTICLE_INSTANCE",
       ICON_MOD_PARTICLE_INSTANCE,
       "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_MODIFIER, "Surface", ""},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_modifier_triangulate_quad_method_items[] = {
      {MOD_TRIANGULATE_QUAD_BEAUTY,
       "BEAUTY",
       0,
       "Beauty ",
       "Split the quads in nice triangles, slower method"},
      {MOD_TRIANGULATE_QUAD_FIXED,
       "FIXED",
       0,
       "Fixed",
       "Split the quads on the first and third vertices"},
      {MOD_TRIANGULATE_QUAD_ALTERNATE,
       "FIXED_ALTERNATE",
       0,
       "Fixed Alternate",
       "Split the quads on the 2nd and 4th vertices"},
      {MOD_TRIANGULATE_QUAD_SHORTEDGE,
       "SHORTEST_DIAGONAL",
       0,
       "Shortest Diagonal",
       "Split the quads based on the distance between the vertices"},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_modifier_triangulate_ngon_method_items[] = {
      {MOD_TRIANGULATE_NGON_BEAUTY,
       "BEAUTY",
       0,
       "Beauty",
       "Arrange the new triangles evenly (slow)"},
      {MOD_TRIANGULATE_NGON_EARCLIP,
       "CLIP",
       0,
       "Clip",
       "Split the polygons with an ear clipping algorithm"},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_modifier_shrinkwrap_mode_items[] = {
      {MOD_SHRINKWRAP_ON_SURFACE,
       "ON_SURFACE",
       0,
       "On Surface",
       "The point is constrained to the surface of the target object, "
       "with distance offset towards the original point location"},
      {MOD_SHRINKWRAP_INSIDE,
       "INSIDE",
       0,
       "Inside",
       "The point is constrained to be inside the target object"},
      {MOD_SHRINKWRAP_OUTSIDE,
       "OUTSIDE",
       0,
       "Outside",
       "The point is constrained to be outside the target object"},
      {MOD_SHRINKWRAP_OUTSIDE_SURFACE,
       "OUTSIDE_SURFACE",
       0,
       "Outside Surface",
       "The point is constrained to the surface of the target object, "
       "with distance offset always to the outside, towards or away from the original location"},
      {MOD_SHRINKWRAP_ABOVE_SURFACE,
       "ABOVE_SURFACE",
       0,
       "Above Surface",
       "The point is constrained to the surface of the target object, "
       "with distance offset applied exactly along the target normal"},
      {0, NULL, 0, NULL, NULL},
  };
  
  #ifndef RNA_RUNTIME
  /* use eWarp_Falloff_*** & eHook_Falloff_***, they're in sync */
  static const EnumPropertyItem modifier_warp_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_InvSquare, "INVERSE_SQUARE", ICON_ROOTCURVE, "Inverse Square", ""},
      {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},
  };
  #endif
  
  /* ***** Data Transfer ***** */
  
  const EnumPropertyItem rna_enum_dt_method_vertex_items[] = {
      {MREMAP_MODE_TOPOLOGY, "TOPOLOGY", 0, "Topology", "Copy from identical topology meshes"},
      {MREMAP_MODE_VERT_NEAREST, "NEAREST", 0, "Nearest vertex", "Copy from closest vertex"},
      {MREMAP_MODE_VERT_EDGE_NEAREST,
       "EDGE_NEAREST",
       0,
       "Nearest Edge Vertex",
       "Copy from closest vertex of closest edge"},
      {MREMAP_MODE_VERT_EDGEINTERP_NEAREST,
       "EDGEINTERP_NEAREST",
       0,
       "Nearest Edge Interpolated",
       "Copy from interpolated values of vertices from closest point on closest edge"},
      {MREMAP_MODE_VERT_POLY_NEAREST,
       "POLY_NEAREST",
       0,
       "Nearest Face Vertex",
       "Copy from closest vertex of closest face"},
      {MREMAP_MODE_VERT_POLYINTERP_NEAREST,
       "POLYINTERP_NEAREST",
       0,
       "Nearest Face Interpolated",
       "Copy from interpolated values of vertices from closest point on closest face"},
      {MREMAP_MODE_VERT_POLYINTERP_VNORPROJ,
       "POLYINTERP_VNORPROJ",
       0,
       "Projected Face Interpolated",
       "Copy from interpolated values of vertices from point on closest face hit by "
       "normal-projection"},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_dt_method_edge_items[] = {
      {MREMAP_MODE_TOPOLOGY, "TOPOLOGY", 0, "Topology", "Copy from identical topology meshes"},
      {MREMAP_MODE_EDGE_VERT_NEAREST,
       "VERT_NEAREST",
       0,
       "Nearest Vertices",
       "Copy from most similar edge (edge which vertices are the closest of destination edge's "
       "ones)"},
      {MREMAP_MODE_EDGE_NEAREST,
       "NEAREST",
       0,
       "Nearest Edge",
       "Copy from closest edge (using midpoints)"},
      {MREMAP_MODE_EDGE_POLY_NEAREST,
       "POLY_NEAREST",
       0,
       "Nearest Face Edge",
       "Copy from closest edge of closest face (using midpoints)"},
      {MREMAP_MODE_EDGE_EDGEINTERP_VNORPROJ,
       "EDGEINTERP_VNORPROJ",
       0,
       "Projected Edge Interpolated",
       "Interpolate all source edges hit by the projection of destination one along its own normal "
       "(from vertices)"},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_dt_method_loop_items[] = {
      {MREMAP_MODE_TOPOLOGY, "TOPOLOGY", 0, "Topology", "Copy from identical topology meshes"},
      {MREMAP_MODE_LOOP_NEAREST_LOOPNOR,
       "NEAREST_NORMAL",
       0,
       "Nearest Corner And Best Matching Normal",
       "Copy from nearest corner which has the best matching normal"},
      {MREMAP_MODE_LOOP_NEAREST_POLYNOR,
       "NEAREST_POLYNOR",
       0,
       "Nearest Corner And Best Matching Face Normal",
       "Copy from nearest corner which has the face with the best matching normal to destination "
       "corner's face one"},
      {MREMAP_MODE_LOOP_POLY_NEAREST,
       "NEAREST_POLY",
       0,
       "Nearest Corner Of Nearest Face",
       "Copy from nearest corner of nearest polygon"},
      {MREMAP_MODE_LOOP_POLYINTERP_NEAREST,
       "POLYINTERP_NEAREST",
       0,
       "Nearest Face Interpolated",
       "Copy from interpolated corners of the nearest source polygon"},
      {MREMAP_MODE_LOOP_POLYINTERP_LNORPROJ,
       "POLYINTERP_LNORPROJ",
       0,
       "Projected Face Interpolated",
       "Copy from interpolated corners of the source polygon hit by corner normal projection"},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_dt_method_poly_items[] = {
      {MREMAP_MODE_TOPOLOGY, "TOPOLOGY", 0, "Topology", "Copy from identical topology meshes"},
      {MREMAP_MODE_POLY_NEAREST,
       "NEAREST",
       0,
       "Nearest Face",
       "Copy from nearest polygon (using center points)"},
      {MREMAP_MODE_POLY_NOR,
       "NORMAL",
       0,
       "Best Normal-Matching",
       "Copy from source polygon which normal is the closest to destination one"},
      {MREMAP_MODE_POLY_POLYINTERP_PNORPROJ,
       "POLYINTERP_PNORPROJ",
       0,
       "Projected Face Interpolated",
       "Interpolate all source polygons intersected by the projection of destination one along its "
       "own normal"},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_dt_mix_mode_items[] = {
      {CDT_MIX_TRANSFER, "REPLACE", 0, "Replace", "Overwrite all elements' data"},
      {CDT_MIX_REPLACE_ABOVE_THRESHOLD,
       "ABOVE_THRESHOLD",
       0,
       "Above Threshold",
       "Only replace destination elements where data is above given threshold (exact behavior "
       "depends on data type)"},
      {CDT_MIX_REPLACE_BELOW_THRESHOLD,
       "BELOW_THRESHOLD",
       0,
       "Below Threshold",
       "Only replace destination elements where data is below given threshold (exact behavior "
       "depends on data type)"},
      {CDT_MIX_MIX,
       "MIX",
       0,
       "Mix",
       "Mix source value into destination one, using given threshold as factor"},
      {CDT_MIX_ADD,
       "ADD",
       0,
       "Add",
       "Add source value to destination one, using given threshold as factor"},
      {CDT_MIX_SUB,
       "SUB",
       0,
       "Subtract",
       "Subtract source value to destination one, using given threshold as factor"},
      {CDT_MIX_MUL,
       "MUL",
       0,
       "Multiply",
       "Multiply source value to destination one, using given threshold as factor"},
      /* etc. etc. */
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_dt_layers_select_src_items[] = {
      {DT_LAYERS_ACTIVE_SRC, "ACTIVE", 0, "Active Layer", "Only transfer active data layer"},
      {DT_LAYERS_ALL_SRC, "ALL", 0, "All Layers", "Transfer all data layers"},
      {DT_LAYERS_VGROUP_SRC_BONE_SELECT,
       "BONE_SELECT",
       0,
       "Selected Pose Bones",
       "Transfer all vertex groups used by selected pose bones"},
      {DT_LAYERS_VGROUP_SRC_BONE_DEFORM,
       "BONE_DEFORM",
       0,
       "Deform Pose Bones",
       "Transfer all vertex groups used by deform bones"},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_dt_layers_select_dst_items[] = {
      {DT_LAYERS_ACTIVE_DST, "ACTIVE", 0, "Active Layer", "Affect active data layer of all targets"},
      {DT_LAYERS_NAME_DST, "NAME", 0, "By Name", "Match target data layers to affect by name"},
      {DT_LAYERS_INDEX_DST,
       "INDEX",
       0,
       "By Order",
       "Match target data layers to affect by order (indices)"},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_axis_xy_items[] = {
      {0, "X", 0, "X", ""},
      {1, "Y", 0, "Y", ""},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_axis_xyz_items[] = {
      {0, "X", 0, "X", ""},
      {1, "Y", 0, "Y", ""},
      {2, "Z", 0, "Z", ""},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_axis_flag_xyz_items[] = {
      {(1 << 0), "X", 0, "X", ""},
      {(1 << 1), "Y", 0, "Y", ""},
      {(1 << 2), "Z", 0, "Z", ""},
      {0, NULL, 0, NULL, NULL},
  };
  
  const EnumPropertyItem rna_enum_openmesheffect_asset_items[] = {
      {-1, "NONE", -1, "", ""},
      {0, NULL, 0, NULL, NULL},
  };
  
  #ifdef RNA_RUNTIME
  
  #  include "DNA_particle_types.h"
  #  include "DNA_curve_types.h"
  #  include "DNA_smoke_types.h"
  
  #  include "BKE_cachefile.h"
  #  include "BKE_context.h"
  #  include "BKE_mesh_runtime.h"
  #  include "BKE_modifier.h"
  #  include "BKE_object.h"
  #  include "BKE_particle.h"
  
  #  include "BLI_sort_utils.h"
  
  #  include "DEG_depsgraph.h"
  #  include "DEG_depsgraph_build.h"
  #  include "DEG_depsgraph_query.h"
  
  #  ifdef WITH_ALEMBIC
  #    include "ABC_alembic.h"
  #  endif
  
  #  include "mfxModifier.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 ((ModifierType)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;
      case eModifierType_Skin:
        return &RNA_SkinModifier;
      case eModifierType_LaplacianSmooth:
        return &RNA_LaplacianSmoothModifier;
      case eModifierType_Triangulate:
        return &RNA_TriangulateModifier;
      case eModifierType_UVWarp:
        return &RNA_UVWarpModifier;
      case eModifierType_MeshCache:
        return &RNA_MeshCacheModifier;
      case eModifierType_LaplacianDeform:
        return &RNA_LaplacianDeformModifier;
      case eModifierType_Wireframe:
        return &RNA_WireframeModifier;
      case eModifierType_DataTransfer:
        return &RNA_DataTransferModifier;
      case eModifierType_NormalEdit:
        return &RNA_NormalEditModifier;
      case eModifierType_CorrectiveSmooth:
        return &RNA_CorrectiveSmoothModifier;
      case eModifierType_MeshSequenceCache:
        return &RNA_MeshSequenceCacheModifier;
      case eModifierType_SurfaceDeform:
        return &RNA_SurfaceDeformModifier;
      case eModifierType_WeightedNormal:
        return &RNA_WeightedNormalModifier;
      case eModifierType_OpenMeshEffect:
        return &RNA_OpenMeshEffectModifier;
      /* Default */
      case eModifierType_None:
      case eModifierType_ShapeKey:
      case NUM_MODIFIER_TYPES:
        return &RNA_Modifier;
    }
  
    return &RNA_Modifier;
  }
  
  static 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_animdata_fix_paths_rename_all(NULL, "modifiers", oldname, md->name);
  }
  
  static char *rna_Modifier_path(PointerRNA *ptr)
  {
    ModifierData *md = ptr->data;
    char name_esc[sizeof(md->name) * 2];
  
    BLI_strescape(name_esc, md->name, sizeof(name_esc));
    return BLI_sprintfN("modifiers[\"%s\"]", name_esc);
  }
  
  static void rna_Modifier_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
  {
    DEG_id_tag_update(ptr->id.data, ID_RECALC_GEOMETRY);
    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);
    DEG_relations_tag_update(bmain);
  }
  
  /* Vertex Groups */
  
  #  define RNA_MOD_VGROUP_NAME_SET(_type, _prop) \
      static void rna_##_type##Modifier_##_prop##_set(PointerRNA *ptr, const char *value) \
      { \
        _type##ModifierData *tmd = (_type##ModifierData *)ptr->data; \
        rna_object_vgroup_name_set(ptr, value, tmd->_prop, sizeof(tmd->_prop)); \
      }
  
  RNA_MOD_VGROUP_NAME_SET(Armature, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Bevel, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Cast, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Curve, name);
  RNA_MOD_VGROUP_NAME_SET(DataTransfer, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Decimate, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(CorrectiveSmooth, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Displace, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Hook, name);
  RNA_MOD_VGROUP_NAME_SET(LaplacianDeform, anchor_grp_name);
  RNA_MOD_VGROUP_NAME_SET(LaplacianSmooth, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Lattice, name);
  RNA_MOD_VGROUP_NAME_SET(Mask, vgroup);
  RNA_MOD_VGROUP_NAME_SET(MeshDeform, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(NormalEdit, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Shrinkwrap, vgroup_name);
  RNA_MOD_VGROUP_NAME_SET(SimpleDeform, vgroup_name);
  RNA_MOD_VGROUP_NAME_SET(Smooth, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Solidify, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(UVWarp, vgroup_name);
  RNA_MOD_VGROUP_NAME_SET(Warp, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Wave, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(WeightVGEdit, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(WeightVGEdit, mask_defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(WeightVGMix, defgrp_name_a);
  RNA_MOD_VGROUP_NAME_SET(WeightVGMix, defgrp_name_b);
  RNA_MOD_VGROUP_NAME_SET(WeightVGMix, mask_defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(WeightVGProximity, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(WeightVGProximity, mask_defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(WeightedNormal, defgrp_name);
  RNA_MOD_VGROUP_NAME_SET(Wireframe, defgrp_name);
  
  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);
  }
  
  #  undef RNA_MOD_VGROUP_NAME_SET
  
  /* UV layers */
  
  #  define RNA_MOD_UVLAYER_NAME_SET(_type, _prop) \
      static void rna_##_type##Modifier_##_prop##_set(PointerRNA *ptr, const char *value) \
      { \
        _type##ModifierData *tmd = (_type##ModifierData *)ptr->data; \
        rna_object_uvlayer_name_set(ptr, value, tmd->_prop, sizeof(tmd->_prop)); \
      }
  
  RNA_MOD_UVLAYER_NAME_SET(MappingInfo, uvlayer_name);
  RNA_MOD_UVLAYER_NAME_SET(UVProject, uvlayer_name);
  RNA_MOD_UVLAYER_NAME_SET(UVWarp, uvlayer_name);
  RNA_MOD_UVLAYER_NAME_SET(WeightVGEdit, mask_tex_uvlayer_name);
  RNA_MOD_UVLAYER_NAME_SET(WeightVGMix, mask_tex_uvlayer_name);
  RNA_MOD_UVLAYER_NAME_SET(WeightVGProximity, mask_tex_uvlayer_name);
  
  #  undef RNA_MOD_UVLAYER_NAME_SET
  
  /* Objects */
  
  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;
      }
    }
  }
  
  #  define RNA_MOD_OBJECT_SET(_type, _prop, _obtype) \
      static void rna_##_type##Modifier_##_prop##_set( \
          PointerRNA *ptr, PointerRNA value, struct ReportList *UNUSED(reports)) \
      { \
        _type##ModifierData *tmd = (_type##ModifierData *)ptr->data; \
        modifier_object_set(ptr->id.data, &tmd->_prop, _obtype, value); \
      }
  
  RNA_MOD_OBJECT_SET(Armature, object, OB_ARMATURE);
  RNA_MOD_OBJECT_SET(Array, start_cap, OB_MESH);
  RNA_MOD_OBJECT_SET(Array, end_cap, OB_MESH);
  RNA_MOD_OBJECT_SET(Array, curve_ob, OB_CURVE);
  RNA_MOD_OBJECT_SET(Boolean, object, OB_MESH);
  RNA_MOD_OBJECT_SET(Cast, object, OB_EMPTY);
  RNA_MOD_OBJECT_SET(Curve, object, OB_CURVE);
  RNA_MOD_OBJECT_SET(DataTransfer, ob_source, OB_MESH);
  RNA_MOD_OBJECT_SET(Lattice, object, OB_LATTICE);
  RNA_MOD_OBJECT_SET(Mask, ob_arm, OB_ARMATURE);
  RNA_MOD_OBJECT_SET(MeshDeform, object, OB_MESH);
  RNA_MOD_OBJECT_SET(NormalEdit, target, OB_EMPTY);
  RNA_MOD_OBJECT_SET(Shrinkwrap, target, OB_MESH);
  RNA_MOD_OBJECT_SET(Shrinkwrap, auxTarget, OB_MESH);
  RNA_MOD_OBJECT_SET(SurfaceDeform, target, OB_MESH);
  
  static void rna_HookModifier_object_set(PointerRNA *ptr,
                                          PointerRNA value,
                                          struct ReportList *UNUSED(reports))
  {
    Object *owner = (Object *)ptr->id.data;
    HookModifierData *hmd = ptr->data;
    Object *ob = (Object *)value.data;
  
    hmd->object = ob;
    id_lib_extern((ID *)ob);
    BKE_object_modifier_hook_reset(owner, hmd);
  }
  
  static void rna_HookModifier_subtarget_set(PointerRNA *ptr, const char *value)
  {
    Object *owner = (Object *)ptr->id.data;
    HookModifierData *hmd = ptr->data;
  
    BLI_strncpy(hmd->subtarget, value, sizeof(hmd->subtarget));
    BKE_object_modifier_hook_reset(owner, hmd);
  }
  
  static int rna_HookModifier_vertex_indices_get_length(PointerRNA *ptr,
                                                        int length[RNA_MAX_ARRAY_DIMENSION])
  {
    HookModifierData *hmd = ptr->data;
    int totindex = hmd->indexar ? hmd->totindex : 0;
    return (length[0] = totindex);
  }
  
  static void rna_HookModifier_vertex_indices_get(PointerRNA *ptr, int *values)
  {
    HookModifierData *hmd = ptr->data;
    if (hmd->indexar != NULL) {
      memcpy(values, hmd->indexar, sizeof(int) * hmd->totindex);
    }
  }
  
  static void rna_HookModifier_vertex_indices_set(HookModifierData *hmd,
                                                  ReportList *reports,
                                                  int indices_len,
                                                  int *indices)
  {
    if (indices_len == 0) {
      MEM_SAFE_FREE(hmd->indexar);
      hmd->totindex = 0;
    }
    else {
      /* Reject negative indices. */
      for (int i = 0; i < indices_len; i++) {
        if (indices[i] < 0) {
          BKE_reportf(reports, RPT_ERROR, "Negative vertex index in vertex_indices_set");
          return;
        }
      }
  
      /* Copy and sort the index array. */
      size_t size = sizeof(int) * indices_len;
      int *buffer = MEM_mallocN(size, "hook indexar");
      memcpy(buffer, indices, size);
  
      qsort(buffer, indices_len, sizeof(int), BLI_sortutil_cmp_int);
  
      /* Reject duplicate indices. */
      for (int i = 1; i < indices_len; i++) {
        if (buffer[i] == buffer[i - 1]) {
          BKE_reportf(reports, RPT_ERROR, "Duplicate index %d in vertex_indices_set", buffer[i]);
          MEM_freeN(buffer);
          return;
        }
      }
  
      /* Success - save the new array. */
      MEM_SAFE_FREE(hmd->indexar);
      hmd->indexar = buffer;
      hmd->totindex = indices_len;
    }
  }
  
  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,
                                         struct ReportList *UNUSED(reports))
  {
    Object **ob_p = (Object **)ptr->data;
    Object *ob = (Object *)value.data;
    id_lib_extern((ID *)ob);
    *ob_p = ob;
  }
  
  #  undef RNA_MOD_OBJECT_SET
  
  /* Other rna callbacks */
  
  static void rna_Smoke_set_type(Main *bmain, Scene *scene, PointerRNA *ptr)
  {
    SmokeModifierData *smd = (SmokeModifierData *)ptr->data;
    Object *ob = (Object *)ptr->id.data;
  
    /* 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:
      case MOD_SMOKE_TYPE_COLL:
      case 0:
      default:
        break;
    }
  
    /* update dependency since a domain - other type switch could have happened */
    rna_Modifier_dependency_update(bmain, scene, ptr);
  }
  
  static void rna_MultiresModifier_type_set(PointerRNA *ptr, int value)
  {
    Object *ob = (Object *)ptr->id.data;
    MultiresModifierData *mmd = (MultiresModifierData *)ptr->data;
  
    multires_force_update(ob);
    mmd->simple = value;
  }
  
  static void rna_MultiresModifier_level_range(
      PointerRNA *ptr, int *min, int *max, int *UNUSED(softmin), int *UNUSED(softmax))
  {
    MultiresModifierData *mmd = (MultiresModifierData *)ptr->data;
  
    *min = 0;
    *max = max_ii(0, mmd->totlvl); /* intentionally _not_ -1 */
  }
  
  static bool rna_MultiresModifier_external_get(PointerRNA *ptr)
  {
    Object *ob = (Object *)ptr->id.data;
    Mesh *me = ob->data;
  
    return CustomData_external_test(&me->ldata, CD_MDISPS);
  }
  
  static void rna_MultiresModifier_filepath_get(PointerRNA *ptr, char *value)
  {
    Object *ob = (Object *)ptr->id.data;
    CustomDataExternal *external = ((Mesh *)ob->data)->ldata.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)->ldata.external;
  
    if (external && !STREQ(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)->ldata.external;
  
    return strlen((external) ? external->filename : "");
  }
  
  static int rna_ShrinkwrapModifier_face_cull_get(PointerRNA *ptr)
  {
    ShrinkwrapModifierData *swm = (ShrinkwrapModifierData *)ptr->data;
    return swm->shrinkOpts & MOD_SHRINKWRAP_CULL_TARGET_MASK;
  }
  
  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_MASK) | value;
  }
  
  static bool 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->shared->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 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_MAXPROJECTORS);
    for (a = md->num_projectors; a < MOD_UVPROJECT_MAXPROJECTORS; a++) {
      md->projectors[a] = NULL;
    }
  }
  
  static void rna_OceanModifier_init_update(Main *bmain, Scene *scene, PointerRNA *ptr)
  {
    OceanModifierData *omd = (OceanModifierData *)ptr->data;
  
    BKE_ocean_free_modifier_cache(omd);
    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)) {
      BKE_ocean_free_modifier_cache(omd);
    }
  }
  
  static bool rna_LaplacianDeformModifier_is_bind_get(PointerRNA *ptr)
  {
    LaplacianDeformModifierData *lmd = (LaplacianDeformModifierData *)ptr->data;
    return ((lmd->flag & MOD_LAPLACIANDEFORM_BIND) && (lmd->vertexco != NULL));
  }
  
  /* NOTE: Curve and array modifiers requires curve path to be evaluated,
   * dependency graph will make sure that curve eval would create such a path,
   * but if curve was already evaluated we might miss path.
   *
   * So what we do here is: if path was not calculated for target curve we
   * tag it for update.
   */
  
  static void rna_CurveModifier_dependency_update(Main *bmain, Scene *scene, PointerRNA *ptr)
  {
    CurveModifierData *cmd = (CurveModifierData *)ptr->data;
    rna_Modifier_update(bmain, scene, ptr);
    DEG_relations_tag_update(bmain);
    if (cmd->object != NULL) {
      Curve *curve = cmd->object->data;
      if ((curve->flag & CU_PATH) == 0) {
        DEG_id_tag_update(&curve->id, ID_RECALC_GEOMETRY);
      }
    }
  }
  
  static void rna_ArrayModifier_dependency_update(Main *bmain, Scene *scene, PointerRNA *ptr)
  {
    ArrayModifierData *amd = (ArrayModifierData *)ptr->data;
    rna_Modifier_update(bmain, scene, ptr);
    DEG_relations_tag_update(bmain);
    if (amd->curve_ob != NULL) {
      Curve *curve = amd->curve_ob->data;
      if ((curve->flag & CU_PATH) == 0) {
        DEG_id_tag_update(&curve->id, ID_RECALC_GEOMETRY);
      }
    }
  }
  
  static void rna_DataTransferModifier_use_data_update(Main *bmain, Scene *scene, PointerRNA *ptr)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  
    if (!(dtmd->flags & MOD_DATATRANSFER_USE_VERT)) {
      dtmd->data_types &= ~DT_TYPE_VERT_ALL;
    }
    if (!(dtmd->flags & MOD_DATATRANSFER_USE_EDGE)) {
      dtmd->data_types &= ~DT_TYPE_EDGE_ALL;
    }
    if (!(dtmd->flags & MOD_DATATRANSFER_USE_LOOP)) {
      dtmd->data_types &= ~DT_TYPE_LOOP_ALL;
    }
    if (!(dtmd->flags & MOD_DATATRANSFER_USE_POLY)) {
      dtmd->data_types &= ~DT_TYPE_POLY_ALL;
    }
  
    rna_Modifier_dependency_update(bmain, scene, ptr);
  }
  
  static void rna_DataTransferModifier_data_types_update(Main *bmain, Scene *scene, PointerRNA *ptr)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
    const int item_types = BKE_object_data_transfer_get_dttypes_item_types(dtmd->data_types);
  
    if (item_types & ME_VERT) {
      dtmd->flags |= MOD_DATATRANSFER_USE_VERT;
    }
    if (item_types & ME_EDGE) {
      dtmd->flags |= MOD_DATATRANSFER_USE_EDGE;
    }
    if (item_types & ME_LOOP) {
      dtmd->flags |= MOD_DATATRANSFER_USE_LOOP;
    }
    if (item_types & ME_POLY) {
      dtmd->flags |= MOD_DATATRANSFER_USE_POLY;
    }
  
    rna_Modifier_dependency_update(bmain, scene, ptr);
  }
  
  static void rna_DataTransferModifier_verts_data_types_set(struct PointerRNA *ptr, int value)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  
    dtmd->data_types &= ~DT_TYPE_VERT_ALL;
    dtmd->data_types |= value;
  }
  
  static void rna_DataTransferModifier_edges_data_types_set(struct PointerRNA *ptr, int value)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  
    dtmd->data_types &= ~DT_TYPE_EDGE_ALL;
    dtmd->data_types |= value;
  }
  
  static void rna_DataTransferModifier_loops_data_types_set(struct PointerRNA *ptr, int value)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  
    dtmd->data_types &= ~DT_TYPE_LOOP_ALL;
    dtmd->data_types |= value;
  }
  
  static void rna_DataTransferModifier_polys_data_types_set(struct PointerRNA *ptr, int value)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  
    dtmd->data_types &= ~DT_TYPE_POLY_ALL;
    dtmd->data_types |= value;
  }
  
  static const EnumPropertyItem *rna_DataTransferModifier_layers_select_src_itemf(bContext *C,
                                                                                  PointerRNA *ptr,
                                                                                  PropertyRNA *prop,
                                                                                  bool *r_free)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
    EnumPropertyItem *item = NULL, tmp_item = {0};
    int totitem = 0;
  
    if (!C) { /* needed for docs and i18n tools */
      return rna_enum_dt_layers_select_src_items;
    }
  
    Depsgraph *depsgraph = CTX_data_depsgraph(C);
  
    /* No active here! */
    RNA_enum_items_add_value(
        &item, &totitem, rna_enum_dt_layers_select_src_items, DT_LAYERS_ALL_SRC);
  
    if (STREQ(RNA_property_identifier(prop), "layers_vgroup_select_src")) {
      Object *ob_src = dtmd->ob_source;
  
  #  if 0 /* XXX Don't think we want this in modifier version... */
      if (BKE_object_pose_armature_get(ob_src)) {
        RNA_enum_items_add_value(
            &item, &totitem, rna_enum_dt_layers_select_src_items, DT_LAYERS_VGROUP_SRC_BONE_SELECT);
        RNA_enum_items_add_value(
            &item, &totitem, rna_enum_dt_layers_select_src_items, DT_LAYERS_VGROUP_SRC_BONE_DEFORM);
      }
  #  endif
  
      if (ob_src) {
        bDeformGroup *dg;
        int i;
  
        RNA_enum_item_add_separator(&item, &totitem);
  
        for (i = 0, dg = ob_src->defbase.first; dg; i++, dg = dg->next) {
          tmp_item.value = i;
          tmp_item.identifier = tmp_item.name = dg->name;
          RNA_enum_item_add(&item, &totitem, &tmp_item);
        }
      }
    }
    else if (STREQ(RNA_property_identifier(prop), "layers_shapekey_select_src")) {
      /* TODO */
    }
    else if (STREQ(RNA_property_identifier(prop), "layers_uv_select_src")) {
      Object *ob_src = dtmd->ob_source;
  
      if (ob_src) {
        Mesh *me_eval;
        int num_data, i;
  
        Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
        Object *ob_src_eval = DEG_get_evaluated_object(depsgraph, ob_src);
  
        CustomData_MeshMasks cddata_masks = CD_MASK_BAREMESH;
        cddata_masks.lmask |= CD_MASK_MLOOPUV;
        me_eval = mesh_get_eval_final(depsgraph, scene_eval, ob_src_eval, &cddata_masks);
        num_data = CustomData_number_of_layers(&me_eval->ldata, CD_MLOOPUV);
  
        RNA_enum_item_add_separator(&item, &totitem);
  
        for (i = 0; i < num_data; i++) {
          tmp_item.value = i;
          tmp_item.identifier = tmp_item.name = CustomData_get_layer_name(
              &me_eval->ldata, CD_MLOOPUV, i);
          RNA_enum_item_add(&item, &totitem, &tmp_item);
        }
      }
    }
    else if (STREQ(RNA_property_identifier(prop), "layers_vcol_select_src")) {
      Object *ob_src = dtmd->ob_source;
  
      if (ob_src) {
        Mesh *me_eval;
        int num_data, i;
  
        Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
        Object *ob_src_eval = DEG_get_evaluated_object(depsgraph, ob_src);
  
        CustomData_MeshMasks cddata_masks = CD_MASK_BAREMESH;
        cddata_masks.lmask |= CD_MASK_MLOOPCOL;
        me_eval = mesh_get_eval_final(depsgraph, scene_eval, ob_src_eval, &cddata_masks);
        num_data = CustomData_number_of_layers(&me_eval->ldata, CD_MLOOPCOL);
  
        RNA_enum_item_add_separator(&item, &totitem);
  
        for (i = 0; i < num_data; i++) {
          tmp_item.value = i;
          tmp_item.identifier = tmp_item.name = CustomData_get_layer_name(
              &me_eval->ldata, CD_MLOOPCOL, i);
          RNA_enum_item_add(&item, &totitem, &tmp_item);
        }
      }
    }
  
    RNA_enum_item_end(&item, &totitem);
    *r_free = true;
  
    return item;
  }
  
  static const EnumPropertyItem *rna_DataTransferModifier_layers_select_dst_itemf(bContext *C,
                                                                                  PointerRNA *ptr,
                                                                                  PropertyRNA *prop,
                                                                                  bool *r_free)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
    EnumPropertyItem *item = NULL, tmp_item = {0};
    int totitem = 0;
  
    if (!C) { /* needed for docs and i18n tools */
      return rna_enum_dt_layers_select_dst_items;
    }
  
    /* No active here! */
    RNA_enum_items_add_value(
        &item, &totitem, rna_enum_dt_layers_select_dst_items, DT_LAYERS_NAME_DST);
    RNA_enum_items_add_value(
        &item, &totitem, rna_enum_dt_layers_select_dst_items, DT_LAYERS_INDEX_DST);
  
    if (STREQ(RNA_property_identifier(prop), "layers_vgroup_select_dst")) {
      /* Only list destination layers if we have a single source! */
      if (dtmd->layers_select_src[DT_MULTILAYER_INDEX_MDEFORMVERT] >= 0) {
        Object *ob_dst = CTX_data_active_object(C); /* XXX Is this OK? */
  
        if (ob_dst) {
          bDeformGroup *dg;
          int i;
  
          RNA_enum_item_add_separator(&item, &totitem);
  
          for (i = 0, dg = ob_dst->defbase.first; dg; i++, dg = dg->next) {
            tmp_item.value = i;
            tmp_item.identifier = tmp_item.name = dg->name;
            RNA_enum_item_add(&item, &totitem, &tmp_item);
          }
        }
      }
    }
    else if (STREQ(RNA_property_identifier(prop), "layers_shapekey_select_dst")) {
      /* TODO */
    }
    else if (STREQ(RNA_property_identifier(prop), "layers_uv_select_dst")) {
      /* Only list destination layers if we have a single source! */
      if (dtmd->layers_select_src[DT_MULTILAYER_INDEX_UV] >= 0) {
        Object *ob_dst = CTX_data_active_object(C); /* XXX Is this OK? */
  
        if (ob_dst && ob_dst->data) {
          Mesh *me_dst;
          CustomData *ldata;
          int num_data, i;
  
          me_dst = ob_dst->data;
          ldata = &me_dst->ldata;
          num_data = CustomData_number_of_layers(ldata, CD_MLOOPUV);
  
          RNA_enum_item_add_separator(&item, &totitem);
  
          for (i = 0; i < num_data; i++) {
            tmp_item.value = i;
            tmp_item.identifier = tmp_item.name = CustomData_get_layer_name(ldata, CD_MLOOPUV, i);
            RNA_enum_item_add(&item, &totitem, &tmp_item);
          }
        }
      }
    }
    else if (STREQ(RNA_property_identifier(prop), "layers_vcol_select_dst")) {
      /* Only list destination layers if we have a single source! */
      if (dtmd->layers_select_src[DT_MULTILAYER_INDEX_VCOL] >= 0) {
        Object *ob_dst = CTX_data_active_object(C); /* XXX Is this OK? */
  
        if (ob_dst && ob_dst->data) {
          Mesh *me_dst;
          CustomData *ldata;
          int num_data, i;
  
          me_dst = ob_dst->data;
          ldata = &me_dst->ldata;
          num_data = CustomData_number_of_layers(ldata, CD_MLOOPCOL);
  
          RNA_enum_item_add_separator(&item, &totitem);
  
          for (i = 0; i < num_data; i++) {
            tmp_item.value = i;
            tmp_item.identifier = tmp_item.name = CustomData_get_layer_name(ldata, CD_MLOOPCOL, i);
            RNA_enum_item_add(&item, &totitem, &tmp_item);
          }
        }
      }
    }
  
    RNA_enum_item_end(&item, &totitem);
    *r_free = true;
  
    return item;
  }
  
  static const EnumPropertyItem *rna_DataTransferModifier_mix_mode_itemf(bContext *C,
                                                                         PointerRNA *ptr,
                                                                         PropertyRNA *UNUSED(prop),
                                                                         bool *r_free)
  {
    DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
    EnumPropertyItem *item = NULL;
    int totitem = 0;
  
    bool support_advanced_mixing, support_threshold;
  
    if (!C) { /* needed for docs and i18n tools */
      return rna_enum_dt_mix_mode_items;
    }
  
    RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_TRANSFER);
  
    BKE_object_data_transfer_get_dttypes_capacity(
        dtmd->data_types, &support_advanced_mixing, &support_threshold);
  
    if (support_threshold) {
      RNA_enum_items_add_value(
          &item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_REPLACE_ABOVE_THRESHOLD);
      RNA_enum_items_add_value(
          &item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_REPLACE_BELOW_THRESHOLD);
    }
  
    if (support_advanced_mixing) {
      RNA_enum_item_add_separator(&item, &totitem);
      RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_MIX);
      RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_ADD);
      RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_SUB);
      RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_MUL);
    }
  
    RNA_enum_item_end(&item, &totitem);
    *r_free = true;
  
    return item;
  }
  
  static void rna_CorrectiveSmoothModifier_update(Main *bmain, Scene *scene, PointerRNA *ptr)
  {
    CorrectiveSmoothModifierData *csmd = (CorrectiveSmoothModifierData *)ptr->data;
  
    MEM_SAFE_FREE(csmd->delta_cache);
  
    rna_Modifier_update(bmain, scene, ptr);
  }
  
  static void rna_CorrectiveSmoothModifier_rest_source_update(Main *bmain,
                                                              Scene *scene,
                                                              PointerRNA *ptr)
  {
    CorrectiveSmoothModifierData *csmd = (CorrectiveSmoothModifierData *)ptr->data;
  
    if (csmd->rest_source != MOD_CORRECTIVESMOOTH_RESTSOURCE_BIND) {
      MEM_SAFE_FREE(csmd->bind_coords);
      csmd->bind_coords_num = 0;
    }
  
    rna_CorrectiveSmoothModifier_update(bmain, scene, ptr);
  }
  
  static bool rna_CorrectiveSmoothModifier_is_bind_get(PointerRNA *ptr)
  {
    CorrectiveSmoothModifierData *csmd = (CorrectiveSmoothModifierData *)ptr->data;
    return (csmd->bind_coords != NULL);
  }
  
  static bool rna_SurfaceDeformModifier_is_bound_get(PointerRNA *ptr)
  {
    return (((SurfaceDeformModifierData *)ptr->data)->verts != NULL);
  }
  
  static bool rna_ParticleInstanceModifier_particle_system_poll(PointerRNA *ptr,
                                                                const PointerRNA value)
  {
    ParticleInstanceModifierData *psmd = ptr->data;
    ParticleSystem *psys = value.data;
  
    if (!psmd->ob) {
      return false;
    }
  
    /* make sure psys is in the object */
    return BLI_findindex(&psmd->ob->particlesystem, psys) != -1;
  }
  
  static PointerRNA rna_ParticleInstanceModifier_particle_system_get(PointerRNA *ptr)
  {
    ParticleInstanceModifierData *psmd = ptr->data;
    ParticleSystem *psys;
    PointerRNA rptr;
  
    if (!psmd->ob) {
      return PointerRNA_NULL;
    }
  
    psys = BLI_findlink(&psmd->ob->particlesystem, psmd->psys - 1);
    RNA_pointer_create((ID *)psmd->ob, &RNA_ParticleSystem, psys, &rptr);
    return rptr;
  }
  
  static void rna_ParticleInstanceModifier_particle_system_set(PointerRNA *ptr,
                                                               const PointerRNA value,
                                                               struct ReportList *UNUSED(reports))
  {
    ParticleInstanceModifierData *psmd = ptr->data;
  
    if (!psmd->ob) {
      return;
    }
  
    psmd->psys = BLI_findindex(&psmd->ob->particlesystem, value.data) + 1;
    CLAMP_MIN(psmd->psys, 1);
  }
  
  static void rna_OpenMeshEffect_asset_info_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
  {
    OpenMeshEffectModifierData *fxmd = (OpenMeshEffectModifierData *)ptr->data;
    rna_iterator_array_begin(
        iter, (void *)fxmd->asset_info, sizeof(OpenMeshEffectAssetInfo), fxmd->num_assets, 0, NULL);
  }
  
  static void rna_OpenMeshEffect_parameter_info_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
  {
    OpenMeshEffectModifierData *fxmd = (OpenMeshEffectModifierData *)ptr->data;
    rna_iterator_array_begin(
        iter, (void *)fxmd->parameter_info, sizeof(OpenMeshEffectParameterInfo), fxmd->num_parameters, 0, NULL);
  }
  
  static void rna_OpenMeshEffectModifier_plugin_path_set(PointerRNA *ptr, const char *value)
  {
    OpenMeshEffectModifierData *fxmd = (OpenMeshEffectModifierData *)ptr->data;
    BLI_strncpy(fxmd->plugin_path, value, sizeof(fxmd->plugin_path));
    mfx_Modifier_on_plugin_changed(fxmd);
  }
  
  static void rna_OpenMeshEffectModifier_library_path_set(PointerRNA *ptr, const char *value)
  {
    OpenMeshEffectModifierData *fxmd = (OpenMeshEffectModifierData *)ptr->data;
    BLI_strncpy(fxmd->library_path, value, sizeof(fxmd->library_path));
    mfx_Modifier_on_library_changed(fxmd);
  }
  
  static int rna_OpenMeshEffectModifier_asset_index_get(PointerRNA *ptr)
  {
    OpenMeshEffectModifierData *fxmd = (OpenMeshEffectModifierData *)ptr->data;
    return fxmd->asset_index;
  }
  
  static void rna_OpenMeshEffectModifier_asset_index_set(PointerRNA *ptr, int value)
  {
    OpenMeshEffectModifierData *fxmd = (OpenMeshEffectModifierData *)ptr->data;
    fxmd->asset_index = value;
    mfx_Modifier_on_asset_changed(fxmd);
  }
  
  static void rna_OpenMeshEffectModifier_asset_index_range(PointerRNA *ptr, int *min, int *max, int *softmin, int *softmax) {
    OpenMeshEffectModifierData *fxmd = (OpenMeshEffectModifierData *)ptr->data;
    *min = *softmin = -1;
    *max = *softmax = fxmd->num_assets - 1;
  }
  
  static const EnumPropertyItem *rna_OpenMeshEffectModifier_asset_enum_item(struct bContext *C,
                                                                            struct PointerRNA *ptr,
                                                                            struct PropertyRNA *prop,
                                                                            bool *r_free) {
    OpenMeshEffectModifierData *fxmd = (OpenMeshEffectModifierData *)ptr->data;
    EnumPropertyItem *item = NULL, tmp_item = {0};
    int totitem = 0;
  
    tmp_item.value = -1;
    tmp_item.identifier = tmp_item.name = "(No asset selected)";
    RNA_enum_item_add(&item, &totitem, &tmp_item);
    RNA_enum_item_add_separator(&item, &totitem);
  
    for (int i = 0 ; i < fxmd->num_assets ; ++i) {
      tmp_item.value = i;
      tmp_item.identifier = tmp_item.name = fxmd->asset_info[i].name;
      RNA_enum_item_add(&item, &totitem, &tmp_item);
    }
  
    RNA_enum_item_end(&item, &totitem);
    *r_free = true;
  
    return item;
  }
  
  static void rna_OpenMeshEffectAssetInfo_name_get(PointerRNA *ptr, char *value)
  {
    OpenMeshEffectAssetInfo *info = (OpenMeshEffectAssetInfo *)ptr->data;
    BLI_strncpy(value, info->name, sizeof(info->name));
  }
  
  static int rna_OpenMeshEffectAssetInfo_name_length(PointerRNA *ptr)
  {
    OpenMeshEffectAssetInfo *info = (OpenMeshEffectAssetInfo *)ptr->data;
    return strlen(info->name);
  }
  
  static void rna_OpenMeshEffectAssetInfo_name_set(PointerRNA *ptr, const char *value)
  {
    OpenMeshEffectAssetInfo *info = (OpenMeshEffectAssetInfo *)ptr->data;
    BLI_strncpy(info->name, value, sizeof(info->name));
  }
  
  static void rna_OpenMeshEffectParameterInfo_name_get(PointerRNA *ptr, char *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    BLI_strncpy(value, parm->name, sizeof(parm->name));
  }
  
  static int rna_OpenMeshEffectParameterInfo_name_length(PointerRNA *ptr)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    return strlen(parm->name);
  }
  
  static void rna_OpenMeshEffectParameterInfo_name_set(PointerRNA *ptr, const char *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    BLI_strncpy(parm->name, value, sizeof(parm->name));
  }
  
  static void rna_OpenMeshEffectParameterInfo_label_get(PointerRNA *ptr, char *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    BLI_strncpy(value, parm->label, sizeof(parm->label));
  }
  
  static int rna_OpenMeshEffectParameterInfo_label_length(PointerRNA *ptr)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    return strlen(parm->label);
  }
  
  static void rna_OpenMeshEffectParameterInfo_label_set(PointerRNA *ptr, const char *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    BLI_strncpy(parm->label, value, sizeof(parm->label));
  }
  
  static int rna_OpenMeshEffectParameterInfo_type_get(PointerRNA *ptr)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    return parm->type;
  }
  
  static void rna_OpenMeshEffectParameterInfo_type_set(PointerRNA *ptr, int value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    parm->type = value;
  }
  
  static void rna_OpenMeshEffectParameterInfo_integer_value_get(PointerRNA *ptr, int *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    value[0] = parm->integer_vec_value[0];
  }
  
  static void rna_OpenMeshEffectParameterInfo_integer_value_set(PointerRNA *ptr, const int *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    parm->integer_vec_value[0] = value[0];
  }
  
  static void rna_OpenMeshEffectParameterInfo_integer2d_value_get(PointerRNA *ptr, int *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v2_v2_int(value, parm->integer_vec_value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_integer2d_value_set(PointerRNA *ptr, const int *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v2_v2_int(parm->integer_vec_value, value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_integer3d_value_get(PointerRNA *ptr, int *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v3_v3_int(value, parm->integer_vec_value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_integer3d_value_set(PointerRNA *ptr, const int *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v3_v3_int(parm->integer_vec_value, value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_float_value_get(PointerRNA *ptr, float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    value[0] = parm->float_vec_value[0];
  }
  
  static void rna_OpenMeshEffectParameterInfo_float_value_set(PointerRNA *ptr, const float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    parm->float_vec_value[0] = value[0];
  }
  
  static void rna_OpenMeshEffectParameterInfo_float2d_value_get(PointerRNA *ptr, float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v2_v2(value, parm->float_vec_value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_float2d_value_set(PointerRNA *ptr, const float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v2_v2(parm->float_vec_value, value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_float3d_value_get(PointerRNA *ptr, float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v3_v3(value, parm->float_vec_value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_float3d_value_set(PointerRNA *ptr, const float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v3_v3(parm->float_vec_value, value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_rgb_value_get(PointerRNA *ptr, float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v3_v3(value, parm->float_vec_value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_rgb_value_set(PointerRNA *ptr, const float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v3_v3(parm->float_vec_value, value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_rgba_value_get(PointerRNA *ptr, float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v4_v4(value, parm->float_vec_value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_rgba_value_set(PointerRNA *ptr, const float *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    copy_v4_v4(parm->float_vec_value, value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_boolean_value_get(PointerRNA *ptr, bool *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    value[0] = parm->integer_vec_value[0] != 0;
    value[1] = false;
    value[2] = false;
    value[3] = false;
  }
  
  static void rna_OpenMeshEffectParameterInfo_boolean_value_set(PointerRNA *ptr, const bool *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    parm->integer_vec_value[0] = value[0] ? 1 : 0;
    parm->integer_vec_value[1] = false;
    parm->integer_vec_value[2] = false;
    parm->integer_vec_value[3] = false;
  }
  
  static void rna_OpenMeshEffectParameterInfo_string_value_get(PointerRNA *ptr, char *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    BLI_strncpy(value, parm->string_value, sizeof(parm->string_value));
  }
  
  static int rna_OpenMeshEffectParameterInfo_string_value_length(PointerRNA *ptr)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    return strlen(parm->string_value);
  }
  
  static void rna_OpenMeshEffectParameterInfo_string_value_set(PointerRNA *ptr, const char *value)
  {
    OpenMeshEffectParameterInfo *parm = (OpenMeshEffectParameterInfo *)ptr->data;
    BLI_strncpy(parm->string_value, value, sizeof(parm->string_value));
  }
  
  #else
  
  /* NOTE: *MUST* return subdivision_type property. */
  static PropertyRNA *rna_def_property_subdivision_common(StructRNA *srna, const char type[])
  {
    static const EnumPropertyItem prop_subdivision_type_items[] = {
        {SUBSURF_TYPE_CATMULL_CLARK, "CATMULL_CLARK", 0, "Catmull-Clark", ""},
        {SUBSURF_TYPE_SIMPLE, "SIMPLE", 0, "Simple", ""},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem prop_uv_smooth_items[] = {
      {SUBSURF_UV_SMOOTH_NONE,
       "NONE",
       0,
       "Sharp",
       "UVs are not smoothed, boundaries are kept sharp"},
      {SUBSURF_UV_SMOOTH_PRESERVE_CORNERS,
       "PRESERVE_CORNERS",
       0,
       "Smooth, keep corners",
       "UVs are smoothed, corners on discontinuous boundary are kept sharp"},
  #  if 0
      {SUBSURF_UV_SMOOTH_PRESERVE_CORNERS_AND_JUNCTIONS,
       "PRESERVE_CORNERS_AND_JUNCTIONS",
       0,
       "Smooth, keep corners+junctions",
       "UVs are smoothed, corners on discontinuous boundary and "
       "junctions of 3 or more regions are kept sharp"},
      {SUBSURF_UV_SMOOTH_PRESERVE_CORNERS_JUNCTIONS_AND_CONCAVE,
       "PRESERVE_CORNERS_JUNCTIONS_AND_CONCAVE",
       0,
       "Smooth, keep corners+junctions+concave",
       "UVs are smoothed, corners on discontinuous boundary, "
       "junctions of 3 or more regions and darts and concave corners are kept sharp"},
      {SUBSURF_UV_SMOOTH_PRESERVE_BOUNDARIES,
       "PRESERVE_BOUNDARIES",
       0,
       "Smooth, keep corners",
       "UVs are smoothed, boundaries are kept sharp"},
      {SUBSURF_UV_SMOOTH_ALL,
       "PRESERVE_BOUNDARIES",
       0,
       "Smooth all",
       "UVs and boundaries are smoothed"},
  #  endif
      {0, NULL, 0, NULL, NULL},
    };
  
    PropertyRNA *prop;
  
    prop = RNA_def_property(srna, "uv_smooth", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "uv_smooth");
    RNA_def_property_enum_items(prop, prop_uv_smooth_items);
    RNA_def_property_ui_text(prop, "UV Smooth", "Controls how smoothing is applied to UVs");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "quality", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "quality");
    RNA_def_property_range(prop, 1, 10);
    RNA_def_property_ui_range(prop, 1, 6, 1, -1);
    RNA_def_property_ui_text(
        prop, "Quality", "Accuracy of vertex positions, lower value is faster but less precise");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    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");
  
    return prop;
  }
  
  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");
  
    /* see CCGSUBSURF_LEVEL_MAX for max limit */
    prop = RNA_def_property(srna, "levels", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "levels");
    RNA_def_property_range(prop, 0, 11);
    RNA_def_property_ui_range(prop, 0, 6, 1, -1);
    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_range(prop, 0, 11);
    RNA_def_property_ui_range(prop, 0, 6, 1, -1);
    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_creases", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", eSubsurfModifierFlag_UseCrease);
    RNA_def_property_ui_text(
        prop, "Use Creases", "Use mesh edge crease information to sharpen edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_generic_map_info(StructRNA *srna)
  {
    static const 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_dependency_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_MappingInfoModifier_uvlayer_name_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;
  
    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_WARP);
  
    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, modifier_warp_falloff_items);
    RNA_def_property_ui_text(prop, "Falloff Type", "");
    RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_CURVE); /* Abusing id_curve :/ */
    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 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_defgrp_name_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);
  
    prop = rna_def_property_subdivision_common(srna, "simple");
    RNA_def_property_enum_funcs(prop, NULL, "rna_MultiresModifier_type_set", NULL);
  
    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_creases", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", eMultiresModifierFlag_UseCrease);
    RNA_def_property_ui_text(
        prop, "Use Creases", "Use mesh edge crease information to sharpen edges");
    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_name_set");
    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, 0, 1, 10, 2);
    RNA_def_property_ui_text(prop, "Strength", "Strength of modifier effect");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_curve(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const 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_CurveModifier_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_name_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_reverse", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_BUILD_FLAG_REVERSE);
    RNA_def_property_ui_text(prop, "Reversed", "Deconstruct the mesh instead of building it");
    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, "flag", MOD_BUILD_FLAG_RANDOMIZE);
    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_axis", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_AXIS_X);
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Mirror Axis", "Enable axis mirror");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_bisect_axis", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_BISECT_AXIS_X);
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Bisect Axis", "Cuts the mesh across the mirror plane");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_bisect_flip_axis", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_MIR_BISECT_FLIP_AXIS_X);
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Bisect Flip Axis", "Flips the direction of the slice");
    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 flip offset 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 flip offset point");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "mirror_offset_u", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "uv_offset[0]");
    RNA_def_property_range(prop, -1, 1);
    RNA_def_property_ui_range(prop, -1, 1, 2, 4);
    RNA_def_property_ui_text(
        prop,
        "Flip U Offset",
        "Amount to offset mirrored UVs flipping point from the 0.5 on the U axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "mirror_offset_v", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "uv_offset[1]");
    RNA_def_property_range(prop, -1, 1);
    RNA_def_property_ui_range(prop, -1, 1, 2, 4);
    RNA_def_property_ui_text(
        prop,
        "Flip V Offset",
        "Amount to offset mirrored UVs flipping point from the 0.5 point on the V axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "offset_u", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "uv_offset_copy[0]");
    RNA_def_property_range(prop, -10000.0f, 10000.0f);
    RNA_def_property_ui_range(prop, -1, 1, 2, 4);
    RNA_def_property_ui_text(prop, "U Offset", "Mirrored UV offset on the U axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "offset_v", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "uv_offset_copy[1]");
    RNA_def_property_range(prop, -10000.0f, 10000.0f);
    RNA_def_property_ui_range(prop, -1, 1, 2, 4);
    RNA_def_property_ui_text(prop, "V Offset", "Mirrored UV offset on the V axis");
    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 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)
  {
    static const EnumPropertyItem modifier_decim_mode_items[] = {
        {MOD_DECIM_MODE_COLLAPSE, "COLLAPSE", 0, "Collapse", "Use edge collapsing"},
        {MOD_DECIM_MODE_UNSUBDIV, "UNSUBDIV", 0, "Un-Subdivide", "Use un-subdivide face reduction"},
        {MOD_DECIM_MODE_DISSOLVE,
         "DISSOLVE",
         0,
         "Planar",
         "Dissolve geometry to form planar polygons"},
        {0, NULL, 0, NULL, NULL},
    };
  
    /* Note, keep in sync with operator 'MESH_OT_decimate' */
  
    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, "decimate_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "mode");
    RNA_def_property_enum_items(prop, modifier_decim_mode_items);
    RNA_def_property_ui_text(prop, "Mode", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* (mode == MOD_DECIM_MODE_COLLAPSE) */
    prop = RNA_def_property(srna, "ratio", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "percent");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_range(prop, 0, 1, 1, 4);
    RNA_def_property_ui_text(prop, "Ratio", "Ratio of triangles to reduce to (collapse only)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* (mode == MOD_DECIM_MODE_UNSUBDIV) */
    prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "iter");
    RNA_def_property_range(prop, 0, SHRT_MAX);
    RNA_def_property_ui_range(prop, 0, 100, 1, -1);
    RNA_def_property_ui_text(
        prop, "Iterations", "Number of times reduce the geometry (unsubdivide only)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* (mode == MOD_DECIM_MODE_DISSOLVE) */
    prop = RNA_def_property(srna, "angle_limit", PROP_FLOAT, PROP_ANGLE);
    RNA_def_property_float_sdna(prop, NULL, "angle");
    RNA_def_property_range(prop, 0, DEG2RAD(180));
    RNA_def_property_ui_range(prop, 0, DEG2RAD(180), 10, 2);
    RNA_def_property_ui_text(prop, "Angle Limit", "Only dissolve angles below this (planar only)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* (mode == MOD_DECIM_MODE_COLLAPSE) */
    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 (collapse only)");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_DecimateModifier_defgrp_name_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_DECIM_FLAG_INVERT_VGROUP);
    RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence (collapse only)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_collapse_triangulate", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_DECIM_FLAG_TRIANGULATE);
    RNA_def_property_ui_text(
        prop, "Triangulate", "Keep triangulated faces resulting from decimation (collapse only)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_symmetry", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_DECIM_FLAG_SYMMETRY);
    RNA_def_property_ui_text(prop, "Symmetry", "Maintain symmetry on an axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "symmetry_axis", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "symmetry_axis");
    RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
    RNA_def_property_ui_text(prop, "Axis", "Axis of symmetry");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "vertex_group_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "defgrp_factor");
    RNA_def_property_range(prop, 0, 1000);
    RNA_def_property_ui_range(prop, 0, 10, 1, 4);
    RNA_def_property_ui_text(prop, "Factor", "Vertex group strength");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    /* end collapse-only option */
  
    /* (mode == MOD_DECIM_MODE_DISSOLVE) */
    prop = RNA_def_property(srna, "use_dissolve_boundaries", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_DECIM_FLAG_ALL_BOUNDARY_VERTS);
    RNA_def_property_ui_text(
        prop, "All Boundaries", "Dissolve all vertices inbetween face boundaries (planar only)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "delimit", PROP_ENUM, PROP_NONE);
    RNA_def_property_flag(prop, PROP_ENUM_FLAG); /* important to run before default set */
    RNA_def_property_enum_items(prop, rna_enum_mesh_delimit_mode_items);
    RNA_def_property_ui_text(prop, "Delimit", "Limit merging geometry");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* end dissolve-only option */
  
    /* all modes use this */
    prop = RNA_def_property(srna, "face_count", PROP_INT, PROP_NONE);
    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_TIME);
    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_defgrp_name_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_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
    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_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Use Bone Envelopes", "Bind Bone envelopes to armature modifier");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_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_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Use Vertex Groups", "Bind vertex groups to armature modifier");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_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_defgrp_name_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;
    FunctionRNA *func;
    PropertyRNA *parm;
  
    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, "strength", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "force");
    RNA_def_property_range(prop, 0, 1);
    RNA_def_property_ui_text(prop, "Strength", "Relative force of the hook");
    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, modifier_warp_falloff_items); /* share the enum */
    RNA_def_property_ui_text(prop, "Falloff Type", "");
    RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_CURVE); /* Abusing id_curve :/ */
    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, "Radius", "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, "falloff_curve", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "curfalloff");
    RNA_def_property_ui_text(prop, "Falloff Curve", "Custom falloff curve");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "center", PROP_FLOAT, PROP_TRANSLATION);
    RNA_def_property_float_sdna(prop, NULL, "cent");
    RNA_def_property_ui_text(
        prop, "Hook Center", "Center of the hook, used for falloff and display");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "matrix_inverse", PROP_FLOAT, PROP_MATRIX);
    RNA_def_property_float_sdna(prop, NULL, "parentinv");
    RNA_def_property_multi_array(prop, 2, rna_matrix_dimsize_4x4);
    RNA_def_property_ui_text(
        prop, "Matrix", "Reverse the transformation between this object and its target");
    RNA_def_property_update(prop, NC_OBJECT | ND_TRANSFORM, "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_pointer_funcs(prop, NULL, "rna_HookModifier_object_set", NULL, NULL);
    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_string_funcs(prop, NULL, NULL, "rna_HookModifier_subtarget_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
  
    prop = RNA_def_property(srna, "use_falloff_uniform", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_HOOK_UNIFORM_SPACE);
    RNA_def_property_ui_text(prop, "Uniform Falloff", "Compensate for non-uniform object scale");
    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, "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_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "vertex_indices", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_array(prop, RNA_MAX_ARRAY_LENGTH);
    RNA_def_property_flag(prop, PROP_DYNAMIC);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_dynamic_array_funcs(prop, "rna_HookModifier_vertex_indices_get_length");
    RNA_def_property_int_funcs(prop, "rna_HookModifier_vertex_indices_get", NULL, NULL);
    RNA_def_property_ui_text(prop,
                             "Vertex Indices",
                             "Indices of vertices bound to the modifier. For bezier curves, "
                             "handles count as additional vertices");
  
    func = RNA_def_function(srna, "vertex_indices_set", "rna_HookModifier_vertex_indices_set");
    RNA_def_function_ui_description(
        func, "Validates and assigns the array of vertex indices bound to the modifier");
    RNA_def_function_flag(func, FUNC_USE_REPORTS);
    parm = RNA_def_int_array(
        func, "indices", 1, NULL, INT_MIN, INT_MAX, "", "Vertex Indices", 0, INT_MAX);
    RNA_def_property_array(parm, RNA_MAX_ARRAY_LENGTH);
    RNA_def_parameter_flags(parm, PROP_DYNAMIC, PARM_REQUIRED);
  }
  
  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 const 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_enum_default(prop, eBooleanModifierOp_Difference);
    RNA_def_property_ui_text(prop, "Operation", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "double_threshold", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "double_threshold");
    RNA_def_property_range(prop, 0, 1.0f);
    RNA_def_property_ui_range(prop, 0, 1, 0.0001, 6);
    RNA_def_property_ui_text(
        prop, "Overlap Threshold", "Threshold for checking overlapping geometry");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* BMesh debugging options, only used when G_DEBUG is set */
  
    /* BMesh intersection options */
    static const EnumPropertyItem debug_items[] = {
        {eBooleanModifierBMeshFlag_BMesh_Separate, "SEPARATE", 0, "Separate", ""},
        {eBooleanModifierBMeshFlag_BMesh_NoDissolve, "NO_DISSOLVE", 0, "No Dissolve", ""},
        {eBooleanModifierBMeshFlag_BMesh_NoConnectRegions,
         "NO_CONNECT_REGIONS",
         0,
         "No Connect Regions",
         ""},
        {0, NULL, 0, NULL, NULL},
    };
  
    prop = RNA_def_property(srna, "debug_options", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, debug_items);
    RNA_def_property_enum_sdna(prop, NULL, "bm_flag");
    RNA_def_property_flag(prop, PROP_ENUM_FLAG);
    RNA_def_property_ui_text(prop, "Debug", "Debugging options, only when started with '-d'");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_array(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const 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, -1);
    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_ob_set", NULL, "rna_Curve_object_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
    RNA_def_property_update(prop, 0, "rna_ArrayModifier_dependency_update");
  
    /* Offset parameters */
    prop = RNA_def_property(srna, "use_constant_offset", PROP_BOOLEAN, PROP_NONE);
    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_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
    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_TRANSLATION causes units to be used which we don't want */
    prop = RNA_def_property(srna, "relative_offset_displace", PROP_FLOAT, PROP_NONE);
    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");
  
    prop = RNA_def_property(srna, "offset_u", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "uv_offset[0]");
    RNA_def_property_range(prop, -1, 1);
    RNA_def_property_ui_range(prop, -1, 1, 2, 4);
    RNA_def_property_ui_text(prop, "U Offset", "Amount to offset array UVs on the U axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "offset_v", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "uv_offset[1]");
    RNA_def_property_range(prop, -1, 1);
    RNA_def_property_ui_range(prop, -1, 1, 2, 4);
    RNA_def_property_ui_text(prop, "V Offset", "Amount to offset array UVs on the V axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_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);
  
    prop = RNA_def_property(srna, "split_angle", PROP_FLOAT, PROP_ANGLE);
    RNA_def_property_range(prop, 0.0f, DEG2RADF(180.0f));
    RNA_def_property_ui_range(prop, 0.0f, DEG2RADF(180.0f), 10, 2);
    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 const 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 along the vertex normal"},
        {MOD_DISP_DIR_CLNOR,
         "CUSTOM_NORMAL",
         0,
         "Custom Normal",
         "Use the texture's intensity value to displace along the (averaged) custom normal (falls "
         "back to vertex)"},
        {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},
    };
  
    static const EnumPropertyItem prop_space_items[] = {
        {MOD_DISP_SPACE_LOCAL, "LOCAL", 0, "Local", "Direction is defined in local coordinates"},
        {MOD_DISP_SPACE_GLOBAL, "GLOBAL", 0, "Global", "Direction is defined in global coordinates"},
        {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_defgrp_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "mid_level", PROP_FLOAT, PROP_FACTOR);
    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");
  
    prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_space_items);
    RNA_def_property_ui_text(prop, "Space", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_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_name_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_MAXPROJECTORS);
    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, "aspect_x", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "aspectx");
    RNA_def_property_flag(prop, PROP_PROPORTIONAL);
    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_flag(prop, PROP_PROPORTIONAL);
    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_flag(prop, PROP_PROPORTIONAL);
    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_flag(prop, PROP_PROPORTIONAL);
    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");
  
    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_FACTOR);
    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, -1);
    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_defgrp_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_correctivesmooth(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const EnumPropertyItem modifier_smooth_type_items[] = {
        {MOD_CORRECTIVESMOOTH_SMOOTH_SIMPLE,
         "SIMPLE",
         0,
         "Simple",
         "Use the average of adjacent edge-vertices"},
        {MOD_CORRECTIVESMOOTH_SMOOTH_LENGTH_WEIGHT,
         "LENGTH_WEIGHTED",
         0,
         "Length Weight",
         "Use the average of adjacent edge-vertices weighted by their length"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem modifier_rest_source_items[] = {
        {MOD_CORRECTIVESMOOTH_RESTSOURCE_ORCO,
         "ORCO",
         0,
         "Original Coords",
         "Use base mesh vert coords as the rest position"},
        {MOD_CORRECTIVESMOOTH_RESTSOURCE_BIND,
         "BIND",
         0,
         "Bind Coords",
         "Use bind vert coords for rest position"},
        {0, NULL, 0, NULL, NULL},
    };
  
    srna = RNA_def_struct(brna, "CorrectiveSmoothModifier", "Modifier");
    RNA_def_struct_ui_text(
        srna, "Corrective Smooth Modifier", "Correct distortion caused by deformation");
    RNA_def_struct_sdna(srna, "CorrectiveSmoothModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SMOOTH);
  
    prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "lambda");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 5, 3);
    RNA_def_property_ui_text(prop, "Lambda Factor", "Smooth factor effect");
    RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_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, 200, 1, -1);
    RNA_def_property_ui_text(prop, "Repeat", "");
    RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
  
    prop = RNA_def_property(srna, "rest_source", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "rest_source");
    RNA_def_property_enum_items(prop, modifier_rest_source_items);
    RNA_def_property_ui_text(prop, "Rest Source", "Select the source of rest positions");
    RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_rest_source_update");
  
    prop = RNA_def_property(srna, "smooth_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "smooth_type");
    RNA_def_property_enum_items(prop, modifier_smooth_type_items);
    RNA_def_property_ui_text(prop, "Smooth Type", "Method used for smoothing");
    RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
  
    prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_CORRECTIVESMOOTH_INVERT_VGROUP);
    RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
    RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_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_CorrectiveSmoothModifier_defgrp_name_set");
    RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
  
    prop = RNA_def_property(srna, "is_bind", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_ui_text(prop, "Bind current shape", "");
    RNA_def_property_boolean_funcs(prop, "rna_CorrectiveSmoothModifier_is_bind_get", NULL);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_only_smooth", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_CORRECTIVESMOOTH_ONLY_SMOOTH);
    RNA_def_property_ui_text(
        prop, "Only Smooth", "Apply smoothing without reconstructing the surface");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_pin_boundary", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_CORRECTIVESMOOTH_PIN_BOUNDARY);
    RNA_def_property_ui_text(
        prop, "Pin Boundaries", "Excludes boundary vertices from being smoothed");
    RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
  }
  
  static void rna_def_modifier_laplaciansmooth(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "LaplacianSmoothModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Laplacian Smooth Modifier", "Smoothing effect modifier");
    RNA_def_struct_sdna(srna, "LaplacianSmoothModifierData");
    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_LAPLACIANSMOOTH_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_LAPLACIANSMOOTH_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_LAPLACIANSMOOTH_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, "use_volume_preserve", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_LAPLACIANSMOOTH_PRESERVE_VOLUME);
    RNA_def_property_ui_text(prop, "Preserve Volume", "Apply volume preservation after smooth");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_normalized", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_LAPLACIANSMOOTH_NORMALIZED);
    RNA_def_property_ui_text(prop, "Normalized", "Improve and stabilize the enhanced shape");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "lambda_factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "lambda");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -1000.0, 1000.0, 5, 3);
    RNA_def_property_ui_text(prop, "Lambda Factor", "Smooth factor effect");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "lambda_border", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "lambda_border");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -1000.0, 1000.0, 5, 3);
    RNA_def_property_ui_text(prop, "Lambda Border", "Lambda factor in border");
    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, 200, 1, -1);
    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_LaplacianSmoothModifier_defgrp_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_cast(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const 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_FACTOR);
    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_defgrp_name_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 const 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, "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, "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_defgrp_name_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_space[] = {
        {eParticleInstanceSpace_Local,
         "LOCAL",
         0,
         "Local",
         "Use offset from the particle object in the instance object"},
        {eParticleInstanceSpace_World,
         "WORLD",
         0,
         "World",
         "Use world space offset in the instance object"},
        {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_pointer_funcs(prop, NULL, NULL, NULL, "rna_Mesh_object_poll");
    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, SHRT_MAX);
    RNA_def_property_ui_text(prop, "Particle System Number", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "particle_system", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "ParticleSystem");
    RNA_def_property_pointer_funcs(prop,
                                   "rna_ParticleInstanceModifier_particle_system_get",
                                   "rna_ParticleInstanceModifier_particle_system_set",
                                   NULL,
                                   "rna_ParticleInstanceModifier_particle_system_poll");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Particle System", "");
    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, rna_enum_axis_xyz_items);
    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, "space", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "space");
    RNA_def_property_enum_items(prop, particleinstance_space);
    RNA_def_property_ui_text(prop, "Space", "Space to use for copying mesh data");
    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, "Regular", "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_translation_context(prop, BLT_I18NCONTEXT_ID_PARTICLESETTINGS);
    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");
  
    prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "rotation");
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_text(prop, "Rotation", "Rotation around path");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "random_rotation", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "random_rotation");
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_text(prop, "Random Rotation", "Randomize rotation around path");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "particle_amount", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_text(prop, "Particle Amount", "Amount of particles to use for instancing");
    RNA_def_property_float_default(prop, 1.0f);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "particle_offset", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_range(prop, 0.0, 1.0);
    RNA_def_property_ui_text(prop,
                             "Particle Offset",
                             "Relative offset of particles to use for instancing, to avoid overlap "
                             "of multiple instances");
    RNA_def_property_float_default(prop, 0.0f);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "index_layer_name", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "index_layer_name");
    RNA_def_property_ui_text(prop, "Index Layer Name", "Custom data layer name for the index");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "value_layer_name", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "value_layer_name");
    RNA_def_property_ui_text(
        prop, "Value Layer Name", "Custom data layer name for the randomized value");
    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, "solver_result", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "ClothSolverResult");
    RNA_def_property_pointer_sdna(prop, NULL, "solver_result");
    RNA_def_property_ui_text(prop, "Solver Result", "");
  
    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", "");
  
    prop = RNA_def_property(srna, "hair_grid_min", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "hair_grid_min");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Hair Grid Minimum", "");
  
    prop = RNA_def_property(srna, "hair_grid_max", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "hair_grid_max");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Hair Grid Maximum", "");
  
    prop = RNA_def_property(srna, "hair_grid_resolution", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "hair_grid_res");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Hair Grid Resolution", "");
  }
  
  static void rna_def_modifier_smoke(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const 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_clear_flag(prop, PROP_ANIMATABLE);
    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, rna_enum_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 const EnumPropertyItem prop_limit_method_items[] = {
        {0, "NONE", 0, "None", "Bevel the entire mesh by a constant amount"},
        {MOD_BEVEL_ANGLE,
         "ANGLE",
         0,
         "Angle",
         "Only bevel edges with sharp enough angles between faces"},
        {MOD_BEVEL_WEIGHT,
         "WEIGHT",
         0,
         "Weight",
         "Use bevel weights to determine how much bevel is applied in edge mode"},
        {MOD_BEVEL_VGROUP,
         "VGROUP",
         0,
         "Vertex Group",
         "Use vertex group weights to select whether vertex or edge is beveled"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem prop_val_type_items[] = {
        {MOD_BEVEL_AMT_OFFSET, "OFFSET", 0, "Offset", "Amount is offset of new edges from original"},
        {MOD_BEVEL_AMT_WIDTH, "WIDTH", 0, "Width", "Amount is width of new face"},
        {MOD_BEVEL_AMT_DEPTH,
         "DEPTH",
         0,
         "Depth",
         "Amount is perpendicular distance from original edge to bevel face"},
        {MOD_BEVEL_AMT_PERCENT,
         "PERCENT",
         0,
         "Percent",
         "Amount is percent of adjacent edge length"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static EnumPropertyItem prop_harden_normals_items[] = {
        {MOD_BEVEL_FACE_STRENGTH_NONE, "FSTR_NONE", 0, "None", "Do not set face strength"},
        {MOD_BEVEL_FACE_STRENGTH_NEW, "FSTR_NEW", 0, "New", "Set face strength on new faces only"},
        {MOD_BEVEL_FACE_STRENGTH_AFFECTED,
         "FSTR_AFFECTED",
         0,
         "Affected",
         "Set face strength on new and affected faces only"},
        {MOD_BEVEL_FACE_STRENGTH_ALL, "FSTR_ALL", 0, "All", "Set face strength on all faces"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static EnumPropertyItem prop_miter_items[] = {
        {MOD_BEVEL_MITER_SHARP, "MITER_SHARP", 0, "Sharp", "Default sharp miter"},
        {MOD_BEVEL_MITER_PATCH, "MITER_PATCH", 0, "Patch", "Miter with extra corner"},
        {MOD_BEVEL_MITER_ARC, "MITER_ARC", 0, "Arc", "Miter with curved arc"},
        {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, 0.0f, 100.0f, 0.1, 4);
    RNA_def_property_ui_text(prop, "Width", "Bevel amount");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "width_pct", PROP_FLOAT, PROP_PERCENTAGE);
    RNA_def_property_float_sdna(prop, NULL, "value");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0f, 100.0f, 5.0, 2);
    RNA_def_property_ui_text(prop, "Width Percent", "Bevel amount for percentage method");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "segments", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "res");
    RNA_def_property_range(prop, 1, 100);
    RNA_def_property_ui_text(prop, "Segments", "Number of segments for round edges/verts");
    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", MOD_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, "angle_limit", PROP_FLOAT, PROP_ANGLE);
    RNA_def_property_float_sdna(prop, NULL, "bevel_angle");
    RNA_def_property_range(prop, 0.0f, DEG2RADF(180.0f));
    RNA_def_property_ui_range(prop, 0.0f, DEG2RADF(180.0f), 10, 2);
    RNA_def_property_ui_text(prop, "Angle", "Angle above which to bevel edges");
    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_BevelModifier_defgrp_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_clamp_overlap", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flags", MOD_BEVEL_OVERLAP_OK);
    RNA_def_property_ui_text(prop, "Clamp Overlap", "Clamp the width to avoid overlap");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "offset_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "val_flags");
    RNA_def_property_enum_items(prop, prop_val_type_items);
    RNA_def_property_ui_text(prop, "Amount Type", "What distance Width measures");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "profile", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.05, 2);
    RNA_def_property_ui_text(prop, "Profile", "The profile shape (0.5 = round)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "material", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "mat");
    RNA_def_property_range(prop, -1, SHRT_MAX);
    RNA_def_property_ui_text(
        prop, "Material", "Material index of generated faces, -1 for automatic");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "loop_slide", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flags", MOD_BEVEL_EVEN_WIDTHS);
    RNA_def_property_ui_text(prop, "Loop Slide", "Prefer sliding along edges to having even widths");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "mark_seam", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "edge_flags", MOD_BEVEL_MARK_SEAM);
    RNA_def_property_ui_text(prop, "Mark Seams", "Mark Seams along beveled edges");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "mark_sharp", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "edge_flags", MOD_BEVEL_MARK_SHARP);
    RNA_def_property_ui_text(prop, "Mark Sharp", "Mark beveled edges as sharp");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "harden_normals", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_BEVEL_HARDEN_NORMALS);
    RNA_def_property_ui_text(prop, "Harden Normals", "Match normals of new faces to adjacent faces");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "face_strength_mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "face_str_mode");
    RNA_def_property_enum_items(prop, prop_harden_normals_items);
    RNA_def_property_ui_text(
        prop, "Set Face Strength", "Whether to set face strength, and which faces to set it on");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "miter_outer", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "miter_outer");
    RNA_def_property_enum_items(prop, prop_miter_items);
    RNA_def_property_ui_text(prop, "Outer Miter", "Pattern to use for outside of miters");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "miter_inner", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "miter_inner");
    RNA_def_property_enum_items(prop, prop_miter_items);
    RNA_def_property_ui_text(prop, "Inner Miter", "Pattern to use for inside of miters");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "spread", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "spread");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0f, 100.0f, 0.1, 4);
    RNA_def_property_ui_text(prop, "Spread", "Spread distance for inner miter arcs");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_shrinkwrap(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const 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"},
        {MOD_SHRINKWRAP_TARGET_PROJECT,
         "TARGET_PROJECT",
         0,
         "Target Normal Project",
         "Shrink the mesh to the nearest target surface "
         "along the interpolated vertex normals of the target"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const 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_dependency_update");
  
    prop = RNA_def_property(srna, "wrap_mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "shrinkMode");
    RNA_def_property_enum_items(prop, rna_enum_modifier_shrinkwrap_mode_items);
    RNA_def_property_ui_text(
        prop, "Snap Mode", "Select how vertices are constrained to the target surface");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_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_auxTarget_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_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_UNIT_LENGTH);
    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, "project_limit", PROP_FLOAT, PROP_UNIT_LENGTH);
    RNA_def_property_float_sdna(prop, NULL, "projLimit");
    RNA_def_property_range(prop, 0.0, FLT_MAX);
    RNA_def_property_ui_range(prop, 0, 100, 1, 2);
    RNA_def_property_ui_text(
        prop, "Project Limit", "Limit the distance used for projection (zero disables)");
    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, -1);
    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_invert_cull", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "shrinkOpts", MOD_SHRINKWRAP_INVERT_CULL_TARGET);
    RNA_def_property_ui_text(
        prop, "Invert Cull", "When projecting in the negative direction invert the face cull mode");
    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, "shrinkOpts", MOD_SHRINKWRAP_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_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 const 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_ob_arm_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");
  
    prop = RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "threshold");
    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, "Threshold", "Weights over this threshold remain");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_simpledeform(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const 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_name_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_items(prop, rna_enum_axis_xyz_items);
    RNA_def_property_ui_text(prop, "Axis", "Deform around local axis");
    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", "Offset the origin and orientation of the deformation");
    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, "factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, -10.0, 10.0, 1.0, 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, "angle", PROP_FLOAT, PROP_ANGLE);
    RNA_def_property_float_sdna(prop, NULL, "factor");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_float_default(prop, DEG2RADF(45.0f));
    RNA_def_property_ui_range(prop, DEG2RAD(-360.0), DEG2RAD(360.0), 10.0, 3);
    RNA_def_property_ui_text(prop, "Angle", "Angle of deformation");
    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, "X", "Do not allow deformation 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, "Y", "Do not allow deformation along the Y axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "lock_z", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "axis", MOD_SIMPLEDEFORM_LOCK_AXIS_Z);
    RNA_def_property_ui_text(prop, "Z", "Do not allow deformation along the Z axis");
    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_SIMPLEDEFORM_FLAG_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_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_clamp", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "offset_clamp");
    RNA_def_property_range(prop, 0, 100.0);
    RNA_def_property_ui_range(prop, 0, 2.0, 0.1, 4);
    RNA_def_property_ui_text(prop, "Clamp", "Offset clamp based on geometry scale");
    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_defgrp_name_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");
  
    prop = RNA_def_property(srna, "use_flip_normals", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SOLIDIFY_FLIP);
    RNA_def_property_ui_text(prop, "Flip Normals", "Invert the face direction");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_rim_only", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SOLIDIFY_NOSHELL);
    RNA_def_property_ui_text(prop, "Only Rim", "Only add the rim to the original data");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_screw(BlenderRNA *brna)
  {
    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, -1);
    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, -1);
    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, -1);
    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, rna_enum_axis_xyz_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, -M_PI * 2, M_PI * 2, 10, -1);
    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, "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");
  
    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");
  
    /* Vertex merging parameters */
    prop = RNA_def_property(srna, "use_merge_vertices", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SCREW_MERGE);
    RNA_def_property_ui_text(
        prop, "Merge Vertices", "Merge adjacent vertices (screw offset must be zero)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_smooth_shade", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SCREW_SMOOTH_SHADING);
    RNA_def_property_ui_text(
        prop, "Smooth Shading", "Output faces with smooth shading rather than flat shaded");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_stretch_u", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SCREW_UV_STRETCH_U);
    RNA_def_property_ui_text(
        prop, "Stretch U", "Stretch the U coordinates between 0-1 when UV's are present");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_stretch_v", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SCREW_UV_STRETCH_V);
    RNA_def_property_ui_text(
        prop, "Stretch V", "Stretch the V coordinates between 0-1 when UV's are present");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
  #  if 0
    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");
  #  endif
  }
  
  static void rna_def_modifier_uvwarp(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "UVWarpModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "UVWarp Modifier", "Add target position to uv coordinates");
    RNA_def_struct_sdna(srna, "UVWarpModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_UVPROJECT);
  
    prop = RNA_def_property(srna, "axis_u", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "axis_u");
    RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
    RNA_def_property_ui_text(prop, "U-Axis", "Pole axis for rotation");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "axis_v", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "axis_v");
    RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
    RNA_def_property_ui_text(prop, "V-Axis", "Pole axis for rotation");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "center", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "center");
    RNA_def_property_ui_text(prop, "UV Center", "Center point for rotate/scale");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "object_from", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "object_src");
    RNA_def_property_ui_text(prop, "Object From", "Object defining offset");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
  
    prop = RNA_def_property(srna, "bone_from", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "bone_src");
    RNA_def_property_ui_text(prop, "Bone From", "Bone defining offset");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
  
    prop = RNA_def_property(srna, "object_to", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "object_dst");
    RNA_def_property_ui_text(prop, "Object To", "Object defining offset");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
  
    prop = RNA_def_property(srna, "bone_to", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "bone_dst");
    RNA_def_property_ui_text(prop, "Bone To", "Bone defining 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, "vgroup_name");
    RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_UVWarpModifier_vgroup_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_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 Layer", "UV Layer name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_UVWarpModifier_uvlayer_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_weightvg_mask(BlenderRNA *UNUSED(brna),
                                             StructRNA *srna,
                                             const char *mask_vgroup_setter,
                                             const char *mask_uvlayer_setter)
  {
    static const 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 const 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_FACTOR);
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
    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, mask_vgroup_setter);
    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_dependency_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, mask_uvlayer_setter);
    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 const 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_WeightVGEditModifier_defgrp_name_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 their new values");
    RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_CURVE); /* Abusing id_curve :/ */
    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_FACTOR);
    RNA_def_property_range(prop, 0.0, 1.0f);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
    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, -1);
    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, -1);
    RNA_def_property_ui_text(prop,
                             "Remove 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,
                                   "rna_WeightVGEditModifier_mask_defgrp_name_set",
                                   "rna_WeightVGEditModifier_mask_tex_uvlayer_name_set");
  }
  
  static void rna_def_modifier_weightvgmix(BlenderRNA *brna)
  {
    static const 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 weights"},
        {MOD_WVG_MIX_AVG, "AVG", 0, "Average", "Average value of VGroup A's and VGroup B's weights"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const 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_WeightVGMixModifier_defgrp_name_a_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_defgrp_name_b_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "default_weight_a", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_range(prop, 0.0, 1.0f);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
    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_FACTOR);
    RNA_def_property_range(prop, 0.0, 1.0f);
    RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
    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,
                                   "rna_WeightVGMixModifier_mask_defgrp_name_set",
                                   "rna_WeightVGMixModifier_mask_tex_uvlayer_name_set");
  }
  
  static void rna_def_modifier_weightvgproximity(BlenderRNA *brna)
  {
    static const EnumPropertyItem weightvg_proximity_modes_items[] = {
        {MOD_WVG_PROXIMITY_OBJECT,
         "OBJECT",
         0,
         "Object",
         "Use distance between affected and target objects"},
        {MOD_WVG_PROXIMITY_GEOMETRY,
         "GEOMETRY",
         0,
         "Geometry",
         "Use distance between affected object's vertices and target "
         "object, or target object's geometry"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem proximity_geometry_items[] = {
        {MOD_WVG_PROXIMITY_GEOM_VERTS, "VERTEX", 0, "Vertex", "Compute distance to nearest vertex"},
        {MOD_WVG_PROXIMITY_GEOM_EDGES, "EDGE", 0, "Edge", "Compute distance to nearest edge"},
        {MOD_WVG_PROXIMITY_GEOM_FACES, "FACE", 0, "Face", "Compute distance to nearest face"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const 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_WeightVGProximityModifier_defgrp_name_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, -1);
    RNA_def_property_ui_text(prop, "Lowest", "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, -1);
    RNA_def_property_ui_text(prop, "Highest", "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 their new values");
    RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_CURVE); /* Abusing id_curve :/ */
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* Common masking properties. */
    rna_def_modifier_weightvg_mask(brna,
                                   srna,
                                   "rna_WeightVGProximityModifier_mask_defgrp_name_set",
                                   "rna_WeightVGProximityModifier_mask_tex_uvlayer_name_set");
  }
  
  static void rna_def_modifier_remesh(BlenderRNA *brna)
  {
    static const 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, 12);
    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, "use_remove_disconnected", 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");
  
    prop = RNA_def_property(srna, "use_smooth_shade", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_REMESH_SMOOTH_SHADING);
    RNA_def_property_ui_text(
        prop, "Smooth Shading", "Output faces with smooth shading rather than flat shaded");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_ocean(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const 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"},
  #  if 0
      {MOD_OCEAN_GEOM_SIM_ONLY,
       "SIM_ONLY",
       0,
       "Sim Only",
       "Leaves geometry unchanged, but still runs simulation (to be used from texture)"},
  #  endif
      {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_OCEAN);
  
    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", "Surface scale factor (does not affect the height of the waves)");
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, -1);
    RNA_def_property_update(prop, 0, "rna_Modifier_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, -1);
    RNA_def_property_ui_text(prop, "Repeat X", "Repetitions of the generated surface in X");
    RNA_def_property_update(prop, 0, "rna_Modifier_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, -1);
    RNA_def_property_ui_text(prop, "Repeat Y", "Repetitions of the generated surface in Y");
    RNA_def_property_update(prop, 0, "rna_Modifier_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, -1);
    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_NONE);
    RNA_def_property_int_sdna(prop, NULL, "spatial_size");
    RNA_def_property_ui_range(prop, 1, 512, 2, -1);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(
        prop,
        "Spatial Size",
        "Size of the simulation domain (in meters), and of the generated geometry (in BU)");
    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");
    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");
    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", "How much the waves are aligned to each other");
    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", "Main direction of the waves when they are (partially) aligned");
    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", "Scale of the displacement effect");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "depth", PROP_FLOAT, PROP_DISTANCE);
    RNA_def_property_float_sdna(prop, NULL, "depth");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Depth", "Depth of the solid ground below the water surface");
    RNA_def_property_ui_range(prop, 0, 250, 1, -1);
    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", "Amount of generated foam");
    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_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(
        prop, "Foam Fade", "How much foam accumulates over time (baked ocean only)");
    RNA_def_property_ui_range(prop, 0.0, 10.0, 1, -1);
    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",
        "Choppiness of the wave's crest (adds some horizontal component to the displacement)");
    RNA_def_property_ui_range(prop, 0.0, 4.0, 3, -1);
    RNA_def_property_float_funcs(prop, NULL, "rna_OceanModifier_ocean_chop_set", NULL);
    RNA_def_property_update(prop, 0, "rna_Modifier_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", "Current time of the simulation");
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, -1);
    RNA_def_property_update(prop, 0, "rna_Modifier_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", "Seed of the random generator");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
  
    prop = RNA_def_property(srna, "frame_start", PROP_INT, PROP_TIME);
    RNA_def_property_int_sdna(prop, NULL, "bakestart");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Bake Start", "Start frame of the ocean baking");
    RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
  
    prop = RNA_def_property(srna, "frame_end", PROP_INT, PROP_TIME);
    RNA_def_property_int_sdna(prop, NULL, "bakeend");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_ui_text(prop, "Bake End", "End frame of the ocean baking");
    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? */
  }
  
  static void rna_def_modifier_skin(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "SkinModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Skin Modifier", "Generate Skin");
    RNA_def_struct_sdna(srna, "SkinModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_SKIN);
  
    prop = RNA_def_property(srna, "branch_smoothing", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_ui_text(prop, "Branch Smoothing", "Smooth complex geometry around branches");
    RNA_def_property_ui_range(prop, 0, 1, 1, -1);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_smooth_shade", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SKIN_SMOOTH_SHADING);
    RNA_def_property_ui_text(
        prop, "Smooth Shading", "Output faces with smooth shading rather than flat shaded");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_x_symmetry", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "symmetry_axes", MOD_SKIN_SYMM_X);
    RNA_def_property_ui_text(prop, "X", "Avoid making unsymmetrical quads across the X axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_y_symmetry", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "symmetry_axes", MOD_SKIN_SYMM_Y);
    RNA_def_property_ui_text(prop, "Y", "Avoid making unsymmetrical quads across the Y axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_z_symmetry", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "symmetry_axes", MOD_SKIN_SYMM_Z);
    RNA_def_property_ui_text(prop, "Z", "Avoid making unsymmetrical quads across the Z axis");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_triangulate(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "TriangulateModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Triangulate Modifier", "Triangulate Mesh");
    RNA_def_struct_sdna(srna, "TriangulateModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_TRIANGULATE);
  
    prop = RNA_def_property(srna, "quad_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "quad_method");
    RNA_def_property_enum_items(prop, rna_enum_modifier_triangulate_quad_method_items);
    RNA_def_property_ui_text(prop, "Quad Method", "Method for splitting the quads into triangles");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "ngon_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "ngon_method");
    RNA_def_property_enum_items(prop, rna_enum_modifier_triangulate_ngon_method_items);
    RNA_def_property_ui_text(
        prop, "Polygon Method", "Method for splitting the polygons into triangles");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "min_vertices", PROP_INT, PROP_UNSIGNED);
    RNA_def_property_int_sdna(prop, NULL, "min_vertices");
    RNA_def_property_range(prop, 4, INT_MAX);
    RNA_def_property_ui_text(
        prop,
        "Minimum Vertices",
        "Triangulate only polygons with vertex count greater than or equal to this number");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "keep_custom_normals", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_TRIANGULATE_KEEP_CUSTOMLOOP_NORMALS);
    RNA_def_property_ui_text(
        prop,
        "Keep Normals",
        "Try to preserve custom normals (WARNING: depending on chosen triangulation method, "
        "shading may not be fully preserved, 'Fixed' method usually gives the best result here)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_meshcache(BlenderRNA *brna)
  {
    static const EnumPropertyItem prop_format_type_items[] = {
        {MOD_MESHCACHE_TYPE_MDD, "MDD", 0, "MDD ", ""},
        {MOD_MESHCACHE_TYPE_PC2, "PC2", 0, "PC2", ""},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem prop_deform_mode_items[] = {
        {MOD_MESHCACHE_DEFORM_OVERWRITE,
         "OVERWRITE",
         0,
         "Overwrite",
         "Replace vertex coords with cached values"},
        {MOD_MESHCACHE_DEFORM_INTEGRATE,
         "INTEGRATE",
         0,
         "Integrate",
         "Integrate deformation from this modifiers input with the mesh-cache coords (useful for "
         "shape keys)"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem prop_interpolation_type_items[] = {
        {MOD_MESHCACHE_INTERP_NONE, "NONE", 0, "None ", ""},
        {MOD_MESHCACHE_INTERP_LINEAR, "LINEAR", 0, "Linear", ""},
        /* for cardinal we'd need to read 4x cache's */
        // {MOD_MESHCACHE_INTERP_CARDINAL, "CARDINAL", 0, "Cardinal", ""},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem prop_time_type_items[] = {
        /* use 'eval_frame' */
        {MOD_MESHCACHE_TIME_FRAME,
         "FRAME",
         0,
         "Frame",
         "Control playback using a frame-number "
         "(ignoring time FPS and start frame from the file)"},
        /* use 'eval_time' */
        {MOD_MESHCACHE_TIME_SECONDS, "TIME", 0, "Time", "Control playback using time in seconds"},
        /* use 'eval_factor' */
        {MOD_MESHCACHE_TIME_FACTOR,
         "FACTOR",
         0,
         "Factor",
         "Control playback using a value between [0, 1]"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem prop_time_play_items[] = {
        {MOD_MESHCACHE_PLAY_CFEA, "SCENE", 0, "Scene", "Use the time from the scene"},
        {MOD_MESHCACHE_PLAY_EVAL, "CUSTOM", 0, "Custom", "Use the modifier's own time evaluation"},
        {0, NULL, 0, NULL, NULL},
    };
  
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "MeshCacheModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Cache Modifier", "Cache Mesh");
    RNA_def_struct_sdna(srna, "MeshCacheModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM); /* XXX, needs own icon */
  
    prop = RNA_def_property(srna, "cache_format", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "type");
    RNA_def_property_enum_items(prop, prop_format_type_items);
    RNA_def_property_ui_text(prop, "Format", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "interpolation", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "interp");
    RNA_def_property_enum_items(prop, prop_interpolation_type_items);
    RNA_def_property_ui_text(prop, "Interpolation", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "time_mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "time_mode");
    RNA_def_property_enum_items(prop, prop_time_type_items);
    RNA_def_property_ui_text(prop, "Time Mode", "Method to control playback time");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "play_mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "play_mode");
    RNA_def_property_enum_items(prop, prop_time_play_items);
    RNA_def_property_ui_text(prop, "Time Mode", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "deform_mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "deform_mode");
    RNA_def_property_enum_items(prop, prop_deform_mode_items);
    RNA_def_property_ui_text(prop, "Deform Mode", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_FILEPATH);
    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, "factor", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "factor");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Influence", "Influence of the deformation");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* -------------------------------------------------------------------- */
    /* Axis Conversion */
    prop = RNA_def_property(srna, "forward_axis", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "forward_axis");
    RNA_def_property_enum_items(prop, rna_enum_object_axis_items);
    RNA_def_property_ui_text(prop, "Forward", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "up_axis", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "up_axis");
    RNA_def_property_enum_items(prop, rna_enum_object_axis_items);
    RNA_def_property_ui_text(prop, "Up", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "flip_axis", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "flip_axis");
    RNA_def_property_enum_items(prop, rna_enum_axis_flag_xyz_items);
    RNA_def_property_flag(prop, PROP_ENUM_FLAG);
    RNA_def_property_ui_text(prop, "Flip Axis", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* -------------------------------------------------------------------- */
    /* For Scene time */
    prop = RNA_def_property(srna, "frame_start", PROP_FLOAT, PROP_TIME);
    RNA_def_property_float_sdna(prop, NULL, "frame_start");
    RNA_def_property_range(prop, -MAXFRAME, MAXFRAME);
    RNA_def_property_ui_text(prop, "Frame Start", "Add this to the start frame");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "frame_scale", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "frame_scale");
    RNA_def_property_range(prop, 0.0f, 100.0f);
    RNA_def_property_ui_text(prop, "Frame Scale", "Evaluation time in seconds");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* -------------------------------------------------------------------- */
    /* eval values depend on 'time_mode' */
    prop = RNA_def_property(srna, "eval_frame", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "eval_frame");
    RNA_def_property_range(prop, MINFRAME, MAXFRAME);
    RNA_def_property_ui_text(prop, "Evaluation Frame", "The frame to evaluate (starting at 0)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "eval_time", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "eval_time");
    RNA_def_property_range(prop, 0.0f, FLT_MAX);
    RNA_def_property_ui_text(prop, "Evaluation Time", "Evaluation time in seconds");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "eval_factor", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "eval_factor");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Evaluation Factor", "Evaluation time in seconds");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_meshseqcache(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "MeshSequenceCacheModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Cache Modifier", "Cache Mesh");
    RNA_def_struct_sdna(srna, "MeshSeqCacheModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM); /* XXX, needs own icon */
  
    prop = RNA_def_property(srna, "cache_file", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "cache_file");
    RNA_def_property_struct_type(prop, "CacheFile");
    RNA_def_property_ui_text(prop, "Cache File", "");
    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_path", PROP_STRING, PROP_NONE);
    RNA_def_property_ui_text(
        prop,
        "Object Path",
        "Path to the object in the Alembic archive used to lookup geometric data");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    static const EnumPropertyItem read_flag_items[] = {
        {MOD_MESHSEQ_READ_VERT, "VERT", 0, "Vertex", ""},
        {MOD_MESHSEQ_READ_POLY, "POLY", 0, "Faces", ""},
        {MOD_MESHSEQ_READ_UV, "UV", 0, "UV", ""},
        {MOD_MESHSEQ_READ_COLOR, "COLOR", 0, "Color", ""},
        {0, NULL, 0, NULL, NULL},
    };
  
    prop = RNA_def_property(srna, "read_data", PROP_ENUM, PROP_NONE);
    RNA_def_property_flag(prop, PROP_ENUM_FLAG);
    RNA_def_property_enum_sdna(prop, NULL, "read_flag");
    RNA_def_property_enum_items(prop, read_flag_items);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_laplaciandeform(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "LaplacianDeformModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Laplacian Deform Modifier", "Mesh deform modifier");
    RNA_def_struct_sdna(srna, "LaplacianDeformModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM);
  
    prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "anchor_grp_name");
    RNA_def_property_ui_text(
        prop, "Vertex Group for Anchors", "Name of Vertex Group which determines Anchors");
    RNA_def_property_string_funcs(
        prop, NULL, NULL, "rna_LaplacianDeformModifier_anchor_grp_name_set");
  
    prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "repeat");
    RNA_def_property_ui_range(prop, 1, 50, 1, -1);
    RNA_def_property_ui_text(prop, "Repeat", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "is_bind", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_funcs(prop, "rna_LaplacianDeformModifier_is_bind_get", NULL);
    RNA_def_property_ui_text(prop, "Bound", "Whether geometry has been bound to anchors");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_wireframe(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "WireframeModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Wireframe Modifier", "Wireframe effect modifier");
    RNA_def_struct_sdna(srna, "WireframeModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_WIREFRAME);
  
    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, 0.0f, 1.0f, 0.01, 4);
    RNA_def_property_ui_text(prop, "Thickness", "Thickness factor");
    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, "use_replace", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WIREFRAME_REPLACE);
    RNA_def_property_ui_text(prop, "Replace", "Remove original geometry");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_boundary", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WIREFRAME_BOUNDARY);
    RNA_def_property_ui_text(prop, "Boundary", "Support face boundaries");
    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_WIREFRAME_OFS_EVEN);
    RNA_def_property_ui_text(prop, "Offset Even", "Scale the offset to give more even thickness");
    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, "flag", MOD_WIREFRAME_OFS_RELATIVE);
    RNA_def_property_ui_text(prop, "Offset Relative", "Scale the offset by surrounding geometry");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "use_crease", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WIREFRAME_CREASE);
    RNA_def_property_ui_text(prop, "Offset Relative", "Crease hub edges for improved subsurf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "crease_weight", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "crease_weight");
    RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
    RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.1, 1);
    RNA_def_property_ui_text(prop, "Weight", "Crease weight (if active)");
    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, "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 selecting the affected areas");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WireframeModifier_defgrp_name_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_WIREFRAME_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_datatransfer(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const EnumPropertyItem DT_layer_vert_items[] = {
      {DT_TYPE_MDEFORMVERT,
       "VGROUP_WEIGHTS",
       0,
       "Vertex Group(s)",
       "Transfer active or all vertex groups"},
  #  if 0 /* TODO */
      {DT_TYPE_SHAPEKEY, "SHAPEKEYS", 0, "Shapekey(s)", "Transfer active or all shape keys"},
  #  endif
    /* XXX When SkinModifier is enabled,
     * it seems to erase its own CD_MVERT_SKIN layer from final DM :( */
  #  if 0
      {DT_TYPE_SKIN, "SKIN", 0, "Skin Weight", "Transfer skin weights"},
  #  endif
      {DT_TYPE_BWEIGHT_VERT, "BEVEL_WEIGHT_VERT", 0, "Bevel Weight", "Transfer bevel weights"},
      {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem DT_layer_edge_items[] = {
        {DT_TYPE_SHARP_EDGE, "SHARP_EDGE", 0, "Sharp", "Transfer sharp mark"},
        {DT_TYPE_SEAM, "SEAM", 0, "UV Seam", "Transfer UV seam mark"},
        {DT_TYPE_CREASE, "CREASE", 0, "Subsurf Crease", "Transfer crease values"},
        {DT_TYPE_BWEIGHT_EDGE, "BEVEL_WEIGHT_EDGE", 0, "Bevel Weight", "Transfer bevel weights"},
        {DT_TYPE_FREESTYLE_EDGE,
         "FREESTYLE_EDGE",
         0,
         "Freestyle Mark",
         "Transfer Freestyle edge mark"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem DT_layer_loop_items[] = {
        {DT_TYPE_LNOR, "CUSTOM_NORMAL", 0, "Custom Normals", "Transfer custom normals"},
        {DT_TYPE_VCOL, "VCOL", 0, "VCol", "Vertex (face corners) colors"},
        {DT_TYPE_UV, "UV", 0, "UVs", "Transfer UV layers"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem DT_layer_poly_items[] = {
        {DT_TYPE_SHARP_FACE, "SMOOTH", 0, "Smooth", "Transfer flat/smooth mark"},
        {DT_TYPE_FREESTYLE_FACE,
         "FREESTYLE_FACE",
         0,
         "Freestyle Mark",
         "Transfer Freestyle face mark"},
        {0, NULL, 0, NULL, NULL},
    };
  
    srna = RNA_def_struct(brna, "DataTransferModifier", "Modifier");
    RNA_def_struct_ui_text(
        srna, "Data Transfer Modifier", "Modifier transferring some data from a source mesh");
    RNA_def_struct_sdna(srna, "DataTransferModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_DATA_TRANSFER);
  
    prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "ob_source");
    RNA_def_property_ui_text(prop, "Source Object", "Object to transfer data from");
    RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
    RNA_def_property_pointer_funcs(
        prop, NULL, "rna_DataTransferModifier_ob_source_set", NULL, "rna_Mesh_object_poll");
    RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
  
    prop = RNA_def_boolean(srna,
                           "use_object_transform",
                           true,
                           "Object Transform",
                           "Evaluate source and destination meshes in global space");
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_DATATRANSFER_OBSRC_TRANSFORM);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* Generic, UI-only data types toggles. */
    prop = RNA_def_boolean(
        srna, "use_vert_data", false, "Vertex Data", "Enable vertex data transfer");
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_DATATRANSFER_USE_VERT);
    RNA_def_property_update(prop, 0, "rna_DataTransferModifier_use_data_update");
  
    prop = RNA_def_boolean(srna, "use_edge_data", false, "Edge Data", "Enable edge data transfer");
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_DATATRANSFER_USE_EDGE);
    RNA_def_property_update(prop, 0, "rna_DataTransferModifier_use_data_update");
  
    prop = RNA_def_boolean(
        srna, "use_loop_data", false, "Face Corner Data", "Enable face corner data transfer");
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_DATATRANSFER_USE_LOOP);
    RNA_def_property_update(prop, 0, "rna_DataTransferModifier_use_data_update");
  
    prop = RNA_def_boolean(srna, "use_poly_data", false, "Face Data", "Enable face data transfer");
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_DATATRANSFER_USE_POLY);
    RNA_def_property_update(prop, 0, "rna_DataTransferModifier_use_data_update");
  
    /* Actual data types selection. */
    prop = RNA_def_enum(srna,
                        "data_types_verts",
                        DT_layer_vert_items,
                        0,
                        "Vertex Data Types",
                        "Which vertex data layers to transfer");
    RNA_def_property_flag(prop, PROP_ENUM_FLAG);
    RNA_def_property_enum_sdna(prop, NULL, "data_types");
    RNA_def_property_enum_funcs(prop, NULL, "rna_DataTransferModifier_verts_data_types_set", NULL);
    RNA_def_property_update(prop, 0, "rna_DataTransferModifier_data_types_update");
  
    prop = RNA_def_enum(srna,
                        "data_types_edges",
                        DT_layer_edge_items,
                        0,
                        "Edge Data Types",
                        "Which edge data layers to transfer");
    RNA_def_property_flag(prop, PROP_ENUM_FLAG);
    RNA_def_property_enum_sdna(prop, NULL, "data_types");
    RNA_def_property_enum_funcs(prop, NULL, "rna_DataTransferModifier_edges_data_types_set", NULL);
    RNA_def_property_update(prop, 0, "rna_DataTransferModifier_data_types_update");
  
    prop = RNA_def_enum(srna,
                        "data_types_loops",
                        DT_layer_loop_items,
                        0,
                        "Face Corner Data Types",
                        "Which face corner data layers to transfer");
    RNA_def_property_flag(prop, PROP_ENUM_FLAG);
    RNA_def_property_enum_sdna(prop, NULL, "data_types");
    RNA_def_property_enum_funcs(prop, NULL, "rna_DataTransferModifier_loops_data_types_set", NULL);
    RNA_def_property_update(prop, 0, "rna_DataTransferModifier_data_types_update");
  
    prop = RNA_def_enum(srna,
                        "data_types_polys",
                        DT_layer_poly_items,
                        0,
                        "Poly Data Types",
                        "Which poly data layers to transfer");
    RNA_def_property_flag(prop, PROP_ENUM_FLAG);
    RNA_def_property_enum_sdna(prop, NULL, "data_types");
    RNA_def_property_enum_funcs(prop, NULL, "rna_DataTransferModifier_polys_data_types_set", NULL);
    RNA_def_property_update(prop, 0, "rna_DataTransferModifier_data_types_update");
  
    /* Mapping methods. */
    prop = RNA_def_enum(srna,
                        "vert_mapping",
                        rna_enum_dt_method_vertex_items,
                        MREMAP_MODE_VERT_NEAREST,
                        "Vertex Mapping",
                        "Method used to map source vertices to destination ones");
    RNA_def_property_enum_sdna(prop, NULL, "vmap_mode");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_enum(srna,
                        "edge_mapping",
                        rna_enum_dt_method_edge_items,
                        MREMAP_MODE_EDGE_NEAREST,
                        "Edge Mapping",
                        "Method used to map source edges to destination ones");
    RNA_def_property_enum_sdna(prop, NULL, "emap_mode");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_enum(srna,
                        "loop_mapping",
                        rna_enum_dt_method_loop_items,
                        MREMAP_MODE_LOOP_NEAREST_POLYNOR,
                        "Face Corner Mapping",
                        "Method used to map source faces' corners to destination ones");
    RNA_def_property_enum_sdna(prop, NULL, "lmap_mode");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_enum(srna,
                        "poly_mapping",
                        rna_enum_dt_method_poly_items,
                        MREMAP_MODE_POLY_NEAREST,
                        "Face Mapping",
                        "Method used to map source faces to destination ones");
    RNA_def_property_enum_sdna(prop, NULL, "pmap_mode");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* Mapping options and filtering. */
    prop = RNA_def_boolean(
        srna,
        "use_max_distance",
        false,
        "Only Neighbor Geometry",
        "Source elements must be closer than given distance from destination one");
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_DATATRANSFER_MAP_MAXDIST);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_float(
        srna,
        "max_distance",
        1.0f,
        0.0f,
        FLT_MAX,
        "Max Distance",
        "Maximum allowed distance between source and destination element, for non-topology mappings",
        0.0f,
        100.0f);
    RNA_def_property_float_sdna(prop, NULL, "map_max_distance");
    RNA_def_property_subtype(prop, PROP_DISTANCE);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_float(
        srna,
        "ray_radius",
        0.0f,
        0.0f,
        FLT_MAX,
        "Ray Radius",
        "'Width' of rays (especially useful when raycasting against vertices or edges)",
        0.0f,
        10.0f);
    RNA_def_property_float_sdna(prop, NULL, "map_ray_radius");
    RNA_def_property_subtype(prop, PROP_DISTANCE);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_float(
        srna,
        "islands_precision",
        0.0f,
        0.0f,
        1.0f,
        "Islands Handling Refinement",
        "Factor controlling precision of islands handling "
        "(typically, 0.1 should be enough, higher values can make things really slow)",
        0.0f,
        1.0f);
    RNA_def_property_subtype(prop, PROP_DISTANCE);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* How to handle multi-layers types of data. */
    prop = RNA_def_enum(srna,
                        "layers_vgroup_select_src",
                        rna_enum_dt_layers_select_src_items,
                        DT_LAYERS_ALL_SRC,
                        "Source Layers Selection",
                        "Which layers to transfer, in case of multi-layers types");
    RNA_def_property_enum_sdna(prop, NULL, "layers_select_src[DT_MULTILAYER_INDEX_MDEFORMVERT]");
    RNA_def_property_enum_funcs(
        prop, NULL, NULL, "rna_DataTransferModifier_layers_select_src_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
  #  if 0
    prop = RNA_def_enum(srna,
                        "layers_shapekey_select_src",
                        rna_enum_dt_layers_select_src_items,
                        DT_LAYERS_ALL_SRC,
                        "Source Layers Selection",
                        "Which layers to transfer, in case of multi-layers types");
    RNA_def_property_enum_sdna(prop, NULL, "layers_select_src[DT_MULTILAYER_INDEX_SHAPEKEY]");
    RNA_def_property_enum_funcs(
        prop, NULL, NULL, "rna_DataTransferModifier_layers_select_src_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  #  endif
  
    prop = RNA_def_enum(srna,
                        "layers_vcol_select_src",
                        rna_enum_dt_layers_select_src_items,
                        DT_LAYERS_ALL_SRC,
                        "Source Layers Selection",
                        "Which layers to transfer, in case of multi-layers types");
    RNA_def_property_enum_sdna(prop, NULL, "layers_select_src[DT_MULTILAYER_INDEX_VCOL]");
    RNA_def_property_enum_funcs(
        prop, NULL, NULL, "rna_DataTransferModifier_layers_select_src_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_enum(srna,
                        "layers_uv_select_src",
                        rna_enum_dt_layers_select_src_items,
                        DT_LAYERS_ALL_SRC,
                        "Source Layers Selection",
                        "Which layers to transfer, in case of multi-layers types");
    RNA_def_property_enum_sdna(prop, NULL, "layers_select_src[DT_MULTILAYER_INDEX_UV]");
    RNA_def_property_enum_funcs(
        prop, NULL, NULL, "rna_DataTransferModifier_layers_select_src_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_enum(srna,
                        "layers_vgroup_select_dst",
                        rna_enum_dt_layers_select_dst_items,
                        DT_LAYERS_NAME_DST,
                        "Destination Layers Matching",
                        "How to match source and destination layers");
    RNA_def_property_enum_sdna(prop, NULL, "layers_select_dst[DT_MULTILAYER_INDEX_MDEFORMVERT]");
    RNA_def_property_enum_funcs(
        prop, NULL, NULL, "rna_DataTransferModifier_layers_select_dst_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
  #  if 0
    prop = RNA_def_enum(srna,
                        "layers_shapekey_select_dst",
                        rna_enum_dt_layers_select_dst_items,
                        DT_LAYERS_NAME_DST,
                        "Destination Layers Matching",
                        "How to match source and destination layers");
    RNA_def_property_enum_sdna(prop, NULL, "layers_select_dst[DT_MULTILAYER_INDEX_SHAPEKEY]");
    RNA_def_property_enum_funcs(
        prop, NULL, NULL, "rna_DataTransferModifier_layers_select_dst_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  #  endif
  
    prop = RNA_def_enum(srna,
                        "layers_vcol_select_dst",
                        rna_enum_dt_layers_select_dst_items,
                        DT_LAYERS_NAME_DST,
                        "Destination Layers Matching",
                        "How to match source and destination layers");
    RNA_def_property_enum_sdna(prop, NULL, "layers_select_dst[DT_MULTILAYER_INDEX_VCOL]");
    RNA_def_property_enum_funcs(
        prop, NULL, NULL, "rna_DataTransferModifier_layers_select_dst_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_enum(srna,
                        "layers_uv_select_dst",
                        rna_enum_dt_layers_select_dst_items,
                        DT_LAYERS_NAME_DST,
                        "Destination Layers Matching",
                        "How to match source and destination layers");
    RNA_def_property_enum_sdna(prop, NULL, "layers_select_dst[DT_MULTILAYER_INDEX_UV]");
    RNA_def_property_enum_funcs(
        prop, NULL, NULL, "rna_DataTransferModifier_layers_select_dst_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    /* Mix stuff */
    prop = RNA_def_enum(srna,
                        "mix_mode",
                        rna_enum_dt_mix_mode_items,
                        CDT_MIX_TRANSFER,
                        "Mix Mode",
                        "How to affect destination elements with source values");
    RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_DataTransferModifier_mix_mode_itemf");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_float_factor(
        srna,
        "mix_factor",
        1.0f,
        0.0f,
        1.0f,
        "Mix Factor",
        "Factor to use when applying data to destination (exact behavior depends on mix mode)",
        0.0f,
        1.0f);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_string(srna,
                          "vertex_group",
                          NULL,
                          MAX_VGROUP_NAME,
                          "Vertex Group",
                          "Vertex group name for selecting the affected areas");
    RNA_def_property_string_sdna(prop, NULL, "defgrp_name");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_DataTransferModifier_defgrp_name_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_boolean(
        srna, "invert_vertex_group", false, "Invert", "Invert vertex group influence");
    RNA_def_property_boolean_sdna(prop, NULL, "flags", MOD_DATATRANSFER_INVERT_VGROUP);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_normaledit(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static const EnumPropertyItem prop_mode_items[] = {
        {MOD_NORMALEDIT_MODE_RADIAL,
         "RADIAL",
         0,
         "Radial",
         "From an ellipsoid (shape defined by the boundbox's dimensions, target is optional)"},
        {MOD_NORMALEDIT_MODE_DIRECTIONAL,
         "DIRECTIONAL",
         0,
         "Directional",
         "Normals 'track' (point to) the target object"},
        {0, NULL, 0, NULL, NULL},
    };
  
    static const EnumPropertyItem prop_mix_mode_items[] = {
        {MOD_NORMALEDIT_MIX_COPY, "COPY", 0, "Copy", "Copy new normals (overwrite existing)"},
        {MOD_NORMALEDIT_MIX_ADD, "ADD", 0, "Add", "Copy sum of new and old normals"},
        {MOD_NORMALEDIT_MIX_SUB, "SUB", 0, "Subtract", "Copy new normals minus old normals"},
        {MOD_NORMALEDIT_MIX_MUL,
         "MUL",
         0,
         "Multiply",
         "Copy product of old and new normals (*not* cross product)"},
        {0, NULL, 0, NULL, NULL},
    };
  
    srna = RNA_def_struct(brna, "NormalEditModifier", "Modifier");
    RNA_def_struct_ui_text(
        srna, "Normal Edit Modifier", "Modifier affecting/generating custom normals");
    RNA_def_struct_sdna(srna, "NormalEditModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_NORMALEDIT);
  
    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", "How to affect (generate) normals");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_float_array(srna,
                               "offset",
                               3,
                               NULL,
                               -FLT_MAX,
                               FLT_MAX,
                               "Offset",
                               "Offset from object's center",
                               -100.0f,
                               100.0f);
    RNA_def_property_subtype(prop, PROP_COORDS);
    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, prop_mix_mode_items);
    RNA_def_property_ui_text(prop, "Mix Mode", "How to mix generated normals with existing ones");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_float(srna,
                         "mix_factor",
                         1.0f,
                         0.0f,
                         1.0f,
                         "Mix Factor",
                         "How much of generated normals to mix with exiting ones",
                         0.0f,
                         1.0f);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_float(srna,
                         "mix_limit",
                         1.0f,
                         0.0f,
                         DEG2RADF(180.0f),
                         "Max Angle",
                         "Maximum angle between old and new normals",
                         0.0f,
                         DEG2RADF(180.0f));
    RNA_def_property_subtype(prop, PROP_ANGLE);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "no_polynors_fix", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_NORMALEDIT_NO_POLYNORS_FIX);
    RNA_def_property_boolean_default(prop, false);
    RNA_def_property_ui_text(prop,
                             "Lock Polygon Normals",
                             "Do not flip polygons when their normals are not consistent "
                             "with their newly computed custom vertex normals");
    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 selecting/weighting the affected areas");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_NormalEditModifier_defgrp_name_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_NORMALEDIT_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, "target", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Target", "Target object used to affect normals");
    RNA_def_property_pointer_funcs(prop, NULL, "rna_NormalEditModifier_target_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_direction_parallel", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_NORMALEDIT_USE_DIRECTION_PARALLEL);
    RNA_def_property_boolean_default(prop, true);
    RNA_def_property_ui_text(prop,
                             "Parallel Normals",
                             "Use same direction for all normals, from origin to target's center "
                             "(Directional mode only)");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_surfacedeform(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "SurfaceDeformModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "SurfaceDeform Modifier", "");
    RNA_def_struct_sdna(srna, "SurfaceDeformModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM);
  
    prop = RNA_def_property(srna, "target", PROP_POINTER, PROP_NONE);
    RNA_def_property_ui_text(prop, "Target", "Mesh object to deform with");
    RNA_def_property_pointer_funcs(
        prop, NULL, "rna_SurfaceDeformModifier_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, "falloff", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 2.0f, 16.0f);
    RNA_def_property_ui_text(
        prop, "Interpolation falloff", "Controls how much nearby polygons influence deformation");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "is_bound", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_funcs(prop, "rna_SurfaceDeformModifier_is_bound_get", NULL);
    RNA_def_property_ui_text(prop, "Bound", "Whether geometry has been bound to target mesh");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  }
  
  static void rna_def_modifier_weightednormal(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    static EnumPropertyItem prop_weighting_mode_items[] = {
        {MOD_WEIGHTEDNORMAL_MODE_FACE,
         "FACE_AREA",
         0,
         "Face Area",
         "Generate face area weighted normals"},
        {MOD_WEIGHTEDNORMAL_MODE_ANGLE,
         "CORNER_ANGLE",
         0,
         "Corner Angle",
         "Generate corner angle weighted normals"},
        {MOD_WEIGHTEDNORMAL_MODE_FACE_ANGLE,
         "FACE_AREA_WITH_ANGLE",
         0,
         "Face Area And Angle",
         "Generated normals weighted by both face area and angle"},
        {0, NULL, 0, NULL, NULL},
    };
  
    srna = RNA_def_struct(brna, "WeightedNormalModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "WeightedNormal Modifier", "");
    RNA_def_struct_sdna(srna, "WeightedNormalModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_NORMALEDIT);
  
    prop = RNA_def_property(srna, "weight", PROP_INT, PROP_NONE);
    RNA_def_property_range(prop, 1, 100);
    RNA_def_property_ui_range(prop, 1, 100, 1, -1);
    RNA_def_property_ui_text(prop,
                             "Weight",
                             "Corrective factor applied to faces' weights, 50 is neutral, "
                             "lower values increase weight of weak faces, "
                             "higher values increase weight of strong faces");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_items(prop, prop_weighting_mode_items);
    RNA_def_property_ui_text(prop, "Weighting Mode", "Weighted vertex normal mode to use");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "thresh", PROP_FLOAT, PROP_NONE);
    RNA_def_property_range(prop, 0, 10);
    RNA_def_property_ui_range(prop, 0, 10, 1, 2);
    RNA_def_property_ui_text(
        prop, "Threshold", "Threshold value for different weights to be considered equal");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "keep_sharp", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WEIGHTEDNORMAL_KEEP_SHARP);
    RNA_def_property_ui_text(prop,
                             "Keep Sharp",
                             "Keep sharp edges as computed for default split normals, "
                             "instead of setting a single weighted normal for each vertex");
    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 modifying the selected areas");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_WeightedNormalModifier_defgrp_name_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_WEIGHTEDNORMAL_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, "face_influence", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_WEIGHTEDNORMAL_FACE_INFLUENCE);
    RNA_def_property_ui_text(prop, "Face Influence", "Use influence of face for weighting");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  }
  
  static void rna_def_modifier_openmesheffect(BlenderRNA *brna)
  {
    StructRNA *srna;
    PropertyRNA *prop;
  
    srna = RNA_def_struct(brna, "OpenMeshEffectModifier", "Modifier");
    RNA_def_struct_ui_text(srna, "Open Mesh Effect Modifier", "");
    RNA_def_struct_sdna(srna, "OpenMeshEffectModifierData");
    RNA_def_struct_ui_icon(srna, ICON_MOD_ARRAY);
  
    prop = RNA_def_property(srna, "plugin_path", PROP_STRING, PROP_FILEPATH);
    RNA_def_property_ui_text(prop,
                             "Plugin Path",
                             "Path to the OpenFX Mesh Effect plugin to use (.ofx)");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_OpenMeshEffectModifier_plugin_path_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "library_path", PROP_STRING, PROP_FILEPATH);
    RNA_def_property_ui_text(prop,
                             "Library Path",
                             "Path to the Asset library that contains the digital assets");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_OpenMeshEffectModifier_library_path_set");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "asset_index", PROP_INT, PROP_NONE);
    RNA_def_property_ui_text(prop, "Asset Index", "Index of the Digital Asset within the current asset library");
    RNA_def_property_int_funcs(prop,
                               "rna_OpenMeshEffectModifier_asset_index_get",
                               "rna_OpenMeshEffectModifier_asset_index_set",
                               "rna_OpenMeshEffectModifier_asset_index_range");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_enum(srna,
                        "asset_enum",
                        rna_enum_openmesheffect_asset_items,
                        -1,
                        "Select an asset",
                        "Plug-in asset to use within the current plug-in library");
    RNA_def_property_enum_sdna(prop, NULL, "asset_index");
    RNA_def_property_enum_funcs(prop,
                                "rna_OpenMeshEffectModifier_asset_index_get",
                                "rna_OpenMeshEffectModifier_asset_index_set",
                                "rna_OpenMeshEffectModifier_asset_enum_item");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "num_assets", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Asset Count", "Number of assets in the currently loaded library");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "asset_info", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_struct_type(prop, "OpenMeshEffectAssetInfo");
    RNA_def_property_collection_funcs(prop,
                                      "rna_OpenMeshEffect_asset_info_begin",
                                      "rna_iterator_array_next",
                                      "rna_iterator_array_end",
                                      "rna_iterator_array_get",
                                      NULL,
                                      NULL,
                                      NULL,
                                      NULL);
    RNA_def_property_ui_text(prop, "Assets", "");
  
    prop = RNA_def_property(srna, "num_parameters", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Parameter Count", "Number of parameters in the currently selected asset");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "parameter_info", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_struct_type(prop, "OpenMeshEffectParameterInfo");
    RNA_def_property_collection_funcs(prop,
                                      "rna_OpenMeshEffect_parameter_info_begin",
                                      "rna_iterator_array_next",
                                      "rna_iterator_array_end",
                                      "rna_iterator_array_get",
                                      NULL,
                                      NULL,
                                      NULL,
                                      NULL);
    RNA_def_property_ui_text(prop, "Parameters", "");
  
    // OpenMeshEffectAssetInfo
  
    srna = RNA_def_struct(brna, "OpenMeshEffectAssetInfo", NULL);
    RNA_def_struct_ui_text(srna, "OpenMeshEffectAssetInfo", "Information about an asset contained in a Digital Asset library");
  
    prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
    RNA_def_property_string_funcs(prop,
                                  "rna_OpenMeshEffectAssetInfo_name_get",
                                  "rna_OpenMeshEffectAssetInfo_name_length",
                                  "rna_OpenMeshEffectAssetInfo_name_set");
    RNA_def_property_ui_text(prop, "Name", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    // OpenMeshEffectParameterInfo
  
    srna = RNA_def_struct(brna, "OpenMeshEffectParameterInfo", NULL);
    RNA_def_struct_ui_text(srna, "OpenMeshEffectParameterInfo", "(See OpenMeshEffect's documentation)");
  
    prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
    RNA_def_property_string_funcs(prop,
                                  "rna_OpenMeshEffectParameterInfo_name_get",
                                  "rna_OpenMeshEffectParameterInfo_name_length",
                                  "rna_OpenMeshEffectParameterInfo_name_set");
    RNA_def_property_ui_text(prop, "Name", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "label", PROP_STRING, PROP_NONE);
    RNA_def_property_string_funcs(prop,
                                  "rna_OpenMeshEffectParameterInfo_label_get",
                                  "rna_OpenMeshEffectParameterInfo_label_length",
                                  "rna_OpenMeshEffectParameterInfo_label_set");
    RNA_def_property_ui_text(prop, "Label", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "type", PROP_INT, PROP_NONE);
    RNA_def_property_int_funcs(prop,
                               "rna_OpenMeshEffectParameterInfo_type_get",
                               "rna_OpenMeshEffectParameterInfo_type_set",
                               NULL);
    RNA_def_property_ui_text(prop, "Type", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "integer_value", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "integer_vec_value");
    RNA_def_property_array(prop, 1);
    RNA_def_property_ui_text(prop, "Integer", "Parameter value as an integer");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_int_funcs(prop,
                               "rna_OpenMeshEffectParameterInfo_integer_value_get",
                               "rna_OpenMeshEffectParameterInfo_integer_value_set",
                               NULL);
  
    prop = RNA_def_property(srna, "integer2d_value", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "integer_vec_value");
    RNA_def_property_array(prop, 2);
    RNA_def_property_ui_text(prop, "Integer2D", "Parameter value as a 2D integer array");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_int_funcs(prop,
                               "rna_OpenMeshEffectParameterInfo_integer2d_value_get",
                               "rna_OpenMeshEffectParameterInfo_integer2d_value_set",
                               NULL);
  
    prop = RNA_def_property(srna, "integer3d_value", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "integer_vec_value");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Integer3D", "Parameter value as a 3D integer array");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_int_funcs(prop,
                               "rna_OpenMeshEffectParameterInfo_integer3d_value_get",
                               "rna_OpenMeshEffectParameterInfo_integer3d_value_set",
                               NULL);
    
    prop = RNA_def_property(srna, "float_value", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "float_vec_value");
    RNA_def_property_array(prop, 1);
    RNA_def_property_ui_text(prop, "Float", "Parameter value as a float");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_float_funcs(prop,
                                 "rna_OpenMeshEffectParameterInfo_float_value_get",
                                 "rna_OpenMeshEffectParameterInfo_float_value_set",
                                 NULL);
  
    prop = RNA_def_property(srna, "float2d_value", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "float_vec_value");
    RNA_def_property_array(prop, 2);
    RNA_def_property_ui_text(prop, "Float2D", "Parameter value as a 2D float array");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_float_funcs(prop,
                                 "rna_OpenMeshEffectParameterInfo_float2d_value_get",
                                 "rna_OpenMeshEffectParameterInfo_float2d_value_set",
                                 NULL);
  
    prop = RNA_def_property(srna, "float3d_value", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "float_vec_value");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Float3D", "Parameter value as a 3D float array");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_float_funcs(prop,
                                 "rna_OpenMeshEffectParameterInfo_float3d_value_get",
                                 "rna_OpenMeshEffectParameterInfo_float3d_value_set",
                                 NULL);
  
    prop = RNA_def_property(srna, "rgb_value", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "float_vec_value");
    RNA_def_property_array(prop, 3);
    RNA_def_property_ui_text(prop, "Color", "Parameter value as RGB value");
    RNA_def_property_ui_range(prop, 0.0, 1.0, 0.01, 3);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_float_funcs(prop,
                                 "rna_OpenMeshEffectParameterInfo_rgb_value_get",
                                 "rna_OpenMeshEffectParameterInfo_rgb_value_set",
                                 NULL);
  
    prop = RNA_def_property(srna, "rgba_value", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_float_sdna(prop, NULL, "float_vec_value");
    RNA_def_property_array(prop, 4);
    RNA_def_property_ui_text(prop, "Color", "Parameter value as RGBA value");
    RNA_def_property_ui_range(prop, 0.0, 1.0, 0.01, 3);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_float_funcs(prop,
                                 "rna_OpenMeshEffectParameterInfo_rgba_value_get",
                                 "rna_OpenMeshEffectParameterInfo_rgba_value_set",
                                 NULL);
  
    prop = RNA_def_property(srna, "boolean_value", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "integer_vec_value", 0);
    RNA_def_property_array(prop, 1);
    RNA_def_property_ui_text(prop, "Boolean", "Parameter value as a boolean");
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_boolean_funcs(prop,
                                  "rna_OpenMeshEffectParameterInfo_boolean_value_get",
                                  "rna_OpenMeshEffectParameterInfo_boolean_value_set");
  
    prop = RNA_def_property(srna, "string_value", PROP_STRING, PROP_NONE);
    RNA_def_property_string_funcs(prop,
                                  "rna_OpenMeshEffectParameterInfo_string_value_get",
                                  "rna_OpenMeshEffectParameterInfo_string_value_length",
                                  "rna_OpenMeshEffectParameterInfo_string_value_set");
    RNA_def_property_ui_text(prop, "String Value", "");
    RNA_def_property_update(prop, 0, "rna_Modifier_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, rna_enum_object_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", "Display modifier in viewport");
    RNA_def_property_flag(prop, PROP_LIB_EXCEPTION);
    RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
    RNA_def_property_ui_icon(prop, ICON_RESTRICT_VIEW_ON, 1);
  
    prop = RNA_def_property(srna, "show_render", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_Render);
    RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
    RNA_def_property_ui_text(prop, "Render", "Use modifier during render");
    RNA_def_property_ui_icon(prop, ICON_RESTRICT_RENDER_ON, 1);
    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, "Edit Mode", "Display modifier in 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", "Adjust edit cage to modifier result");
    RNA_def_property_ui_icon(prop, ICON_MESH_DATA, 0);
    RNA_def_property_update(prop, 0, "rna_Modifier_update");
  
    prop = RNA_def_property(srna, "show_expanded", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
    RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_Expanded);
    RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
    RNA_def_property_ui_text(prop, "Expanded", "Set modifier expanded in the user interface");
    RNA_def_property_ui_icon(prop, ICON_DISCLOSURE_TRI_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_correctivesmooth(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_uvwarp(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);
    rna_def_modifier_skin(brna);
    rna_def_modifier_laplaciansmooth(brna);
    rna_def_modifier_triangulate(brna);
    rna_def_modifier_meshcache(brna);
    rna_def_modifier_laplaciandeform(brna);
    rna_def_modifier_wireframe(brna);
    rna_def_modifier_datatransfer(brna);
    rna_def_modifier_normaledit(brna);
    rna_def_modifier_meshseqcache(brna);
    rna_def_modifier_surfacedeform(brna);
    rna_def_modifier_weightednormal(brna);
    rna_def_modifier_openmesheffect(brna);
  }
  
  #endif
  