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|
/*
* 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.
*
* The Original Code is Copyright (C) 2006 by Nicholas Bishop
* All rights reserved.
*/
/** \file
* \ingroup edsculpt
*/
#ifndef __SCULPT_INTERN_H__
#define __SCULPT_INTERN_H__
#include "DNA_key_types.h"
#include "DNA_listBase.h"
#include "DNA_vec_types.h"
#include "BLI_bitmap.h"
#include "BLI_gsqueue.h"
#include "BLI_threads.h"
#include "BKE_paint.h"
#include "BKE_pbvh.h"
struct KeyBlock;
struct Object;
struct SculptPoseIKChainSegment;
struct SculptUndoNode;
struct bContext;
enum ePaintSymmetryFlags;
bool SCULPT_mode_poll(struct bContext *C);
bool SCULPT_mode_poll_view3d(struct bContext *C);
/* checks for a brush, not just sculpt mode */
bool SCULPT_poll(struct bContext *C);
bool SCULPT_poll_view3d(struct bContext *C);
/* Updates */
typedef enum SculptUpdateType {
SCULPT_UPDATE_COORDS = 1 << 0,
SCULPT_UPDATE_MASK = 1 << 1,
SCULPT_UPDATE_VISIBILITY = 1 << 2,
} SculptUpdateType;
void SCULPT_flush_update_step(bContext *C, SculptUpdateType update_flags);
void SCULPT_flush_update_done(const bContext *C, Object *ob, SculptUpdateType update_flags);
void SCULPT_flush_stroke_deform(struct Sculpt *sd, Object *ob, bool is_proxy_used);
/* Stroke */
typedef struct SculptCursorGeometryInfo {
float location[3];
float normal[3];
float active_vertex_co[3];
} SculptCursorGeometryInfo;
bool SCULPT_stroke_get_location(struct bContext *C, float out[3], const float mouse[2]);
bool SCULPT_cursor_geometry_info_update(bContext *C,
SculptCursorGeometryInfo *out,
const float mouse[2],
bool use_sampled_normal);
void SCULPT_geometry_preview_lines_update(bContext *C, struct SculptSession *ss, float radius);
/* Sculpt PBVH abstraction API */
void SCULPT_vertex_random_access_init(struct SculptSession *ss);
int SCULPT_vertex_count_get(struct SculptSession *ss);
const float *SCULPT_vertex_co_get(struct SculptSession *ss, int index);
float SCULPT_vertex_mask_get(struct SculptSession *ss, int index);
#define SCULPT_VERTEX_NEIGHBOR_FIXED_CAPACITY 256
typedef struct SculptVertexNeighborIter {
/* Storage */
int *neighbors;
int size;
int capacity;
int neighbors_fixed[SCULPT_VERTEX_NEIGHBOR_FIXED_CAPACITY];
/* Internal iterator. */
int num_duplicates;
int i;
/* Public */
int index;
bool is_duplicate;
} SculptVertexNeighborIter;
void SCULPT_vertex_neighbors_get(struct SculptSession *ss,
const int index,
const bool include_duplicates,
SculptVertexNeighborIter *iter);
/* Iterator over neighboring vertices. */
#define SCULPT_VERTEX_NEIGHBORS_ITER_BEGIN(ss, v_index, neighbor_iterator) \
SCULPT_vertex_neighbors_get(ss, v_index, false, &neighbor_iterator); \
for (neighbor_iterator.i = 0; neighbor_iterator.i < neighbor_iterator.size; \
neighbor_iterator.i++) { \
neighbor_iterator.index = ni.neighbors[ni.i];
/* Iterate over neighboring and duplicate vertices (for PBVH_GRIDS). Duplicates come
* first since they are nearest for floodfill. */
#define SCULPT_VERTEX_DUPLICATES_AND_NEIGHBORS_ITER_BEGIN(ss, v_index, neighbor_iterator) \
SCULPT_vertex_neighbors_get(ss, v_index, true, &neighbor_iterator); \
for (neighbor_iterator.i = neighbor_iterator.size - 1; neighbor_iterator.i >= 0; \
neighbor_iterator.i--) { \
neighbor_iterator.index = ni.neighbors[ni.i]; \
neighbor_iterator.is_duplicate = (ni.i >= \
neighbor_iterator.size - neighbor_iterator.num_duplicates);
#define SCULPT_VERTEX_NEIGHBORS_ITER_END(neighbor_iterator) \
} \
if (neighbor_iterator.neighbors != neighbor_iterator.neighbors_fixed) { \
MEM_freeN(neighbor_iterator.neighbors); \
} \
((void)0)
int SCULPT_active_vertex_get(SculptSession *ss);
const float *SCULPT_active_vertex_co_get(SculptSession *ss);
/* Sculpt Visibility API */
void SCULPT_vertex_visible_set(SculptSession *ss, int index, bool visible);
bool SCULPT_vertex_visible_get(SculptSession *ss, int index);
void SCULPT_visibility_sync_all_face_sets_to_vertices(struct SculptSession *ss);
void SCULPT_visibility_sync_all_vertex_to_face_sets(struct SculptSession *ss);
/* Face Sets API */
int SCULPT_active_face_set_get(SculptSession *ss);
int SCULPT_vertex_face_set_get(SculptSession *ss, int index);
void SCULPT_vertex_face_set_set(SculptSession *ss, int index, int face_set);
bool SCULPT_vertex_has_face_set(SculptSession *ss, int index, int face_set);
bool SCULPT_vertex_has_unique_face_set(SculptSession *ss, int index);
int SCULPT_face_set_next_available_get(SculptSession *ss);
void SCULPT_face_set_visibility_set(SculptSession *ss, int face_set, bool visible);
bool SCULPT_vertex_all_face_sets_visible_get(SculptSession *ss, int index);
bool SCULPT_vertex_any_face_set_visible_get(SculptSession *ss, int index);
void SCULPT_face_sets_visibility_invert(SculptSession *ss);
void SCULPT_face_sets_visibility_all_set(SculptSession *ss, bool visible);
/* Sculpt Original Data */
typedef struct {
struct BMLog *bm_log;
struct SculptUndoNode *unode;
float (*coords)[3];
short (*normals)[3];
const float *vmasks;
/* Original coordinate, normal, and mask. */
const float *co;
const short *no;
float mask;
} SculptOrigVertData;
void SCULPT_orig_vert_data_init(SculptOrigVertData *data, Object *ob, PBVHNode *node);
void SCULPT_orig_vert_data_update(SculptOrigVertData *orig_data, PBVHVertexIter *iter);
/* Utils. */
void SCULPT_calc_brush_plane(struct Sculpt *sd,
struct Object *ob,
struct PBVHNode **nodes,
int totnode,
float r_area_no[3],
float r_area_co[3]);
void SCULPT_calc_area_normal(
Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode, float r_area_no[3]);
int SCULPT_nearest_vertex_get(struct Sculpt *sd,
struct Object *ob,
const float co[3],
float max_distance,
bool use_original);
int SCULPT_plane_point_side(const float co[3], const float plane[4]);
int SCULPT_plane_trim(const struct StrokeCache *cache,
const struct Brush *brush,
const float val[3]);
float SCULPT_brush_plane_offset_get(Sculpt *sd, SculptSession *ss);
ePaintSymmetryAreas SCULPT_get_vertex_symm_area(const float co[3]);
bool SCULPT_check_vertex_pivot_symmetry(const float vco[3], const float pco[3], const char symm);
bool SCULPT_is_symmetry_iteration_valid(char i, char symm);
void SCULPT_flip_v3_by_symm_area(float v[3],
const ePaintSymmetryFlags symm,
const ePaintSymmetryAreas symmarea,
const float pivot[3]);
void SCULPT_flip_quat_by_symm_area(float quat[3],
const ePaintSymmetryFlags symm,
const ePaintSymmetryAreas symmarea,
const float pivot[3]);
/* Flood Fill. */
typedef struct {
GSQueue *queue;
char *visited_vertices;
} SculptFloodFill;
void SCULPT_floodfill_init(struct SculptSession *ss, SculptFloodFill *flood);
void SCULPT_floodfill_add_active(struct Sculpt *sd,
struct Object *ob,
struct SculptSession *ss,
SculptFloodFill *flood,
float radius);
void SCULPT_floodfill_add_initial_with_symmetry(struct Sculpt *sd,
struct Object *ob,
struct SculptSession *ss,
SculptFloodFill *flood,
int index,
float radius);
void sculpt_floodfill_add_initial(SculptFloodFill *flood, int index);
void SCULPT_floodfill_execute(
struct SculptSession *ss,
SculptFloodFill *flood,
bool (*func)(SculptSession *ss, int from_v, int to_v, bool is_duplicate, void *userdata),
void *userdata);
void SCULPT_floodfill_free(SculptFloodFill *flood);
/* Dynamic topology */
void sculpt_pbvh_clear(Object *ob);
void sculpt_dyntopo_node_layers_add(struct SculptSession *ss);
void sculpt_dynamic_topology_disable(bContext *C, struct SculptUndoNode *unode);
/* Automasking. */
float SCULPT_automasking_factor_get(SculptSession *ss, int vert);
/* Filters. */
void SCULPT_filter_cache_init(Object *ob, Sculpt *sd);
void SCULPT_filter_cache_free(SculptSession *ss);
/* Brushes. */
/* Cloth Brush. */
void SCULPT_do_cloth_brush(struct Sculpt *sd,
struct Object *ob,
struct PBVHNode **nodes,
int totnode);
void SCULPT_cloth_simulation_free(struct SculptClothSimulation *cloth_sim);
void SCULPT_cloth_simulation_limits_draw(const uint gpuattr,
const struct Brush *brush,
const float obmat[4][4],
const float location[3],
const float normal[3],
const float rds,
const float line_width,
const float outline_col[3],
const float alpha);
void SCULPT_cloth_plane_falloff_preview_draw(const uint gpuattr,
struct SculptSession *ss,
const float outline_col[3],
float outline_alpha);
/* Pose Brush. */
void SCULPT_do_pose_brush(struct Sculpt *sd,
struct Object *ob,
struct PBVHNode **nodes,
int totnode);
void SCULPT_pose_calc_pose_data(struct Sculpt *sd,
struct Object *ob,
struct SculptSession *ss,
float initial_location[3],
float radius,
float pose_offset,
float *r_pose_origin,
float *r_pose_factor);
void SCULPT_pose_brush_init(struct Sculpt *sd,
struct Object *ob,
struct SculptSession *ss,
struct Brush *br);
struct SculptPoseIKChain *SCULPT_pose_ik_chain_init(struct Sculpt *sd,
struct Object *ob,
struct SculptSession *ss,
struct Brush *br,
const float initial_location[3],
const float radius);
void SCULPT_pose_ik_chain_free(struct SculptPoseIKChain *ik_chain);
/* Multiplane Scrape Brush. */
void SCULPT_do_multiplane_scrape_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode);
void SCULPT_multiplane_scrape_preview_draw(const uint gpuattr,
SculptSession *ss,
const float outline_col[3],
const float outline_alpha);
/* Draw Face Sets Brush. */
void SCULPT_do_draw_face_sets_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode);
/* Slide/Relax */
void SCULPT_relax_vertex(struct SculptSession *ss,
struct PBVHVertexIter *vd,
float factor,
bool filter_boundary_face_sets,
float *r_final_pos);
/* Undo */
typedef enum {
SCULPT_UNDO_COORDS,
SCULPT_UNDO_HIDDEN,
SCULPT_UNDO_MASK,
SCULPT_UNDO_DYNTOPO_BEGIN,
SCULPT_UNDO_DYNTOPO_END,
SCULPT_UNDO_DYNTOPO_SYMMETRIZE,
SCULPT_UNDO_GEOMETRY,
SCULPT_UNDO_FACE_SETS,
} SculptUndoType;
/* Storage of geometry for the undo node.
* Is used as a storage for either original or modified geometry. */
typedef struct SculptUndoNodeGeometry {
/* Is used for sanity check, helping with ensuring that two and only two
* geometry pushes happened in the undo stack. */
bool is_initialized;
CustomData vdata;
CustomData edata;
CustomData ldata;
CustomData pdata;
int totvert;
int totedge;
int totloop;
int totpoly;
} SculptUndoNodeGeometry;
typedef struct SculptUndoNode {
struct SculptUndoNode *next, *prev;
SculptUndoType type;
char idname[MAX_ID_NAME]; /* name instead of pointer*/
void *node; /* only during push, not valid afterwards! */
float (*co)[3];
float (*orig_co)[3];
short (*no)[3];
float *mask;
int totvert;
/* non-multires */
int maxvert; /* to verify if totvert it still the same */
int *index; /* to restore into right location */
BLI_bitmap *vert_hidden;
/* multires */
int maxgrid; /* same for grid */
int gridsize; /* same for grid */
int totgrid; /* to restore into right location */
int *grids; /* to restore into right location */
BLI_bitmap **grid_hidden;
/* bmesh */
struct BMLogEntry *bm_entry;
bool applied;
/* shape keys */
char shapeName[sizeof(((KeyBlock *)0))->name];
/* Geometry modification operations.
*
* Original geometry is stored before some modification is run and is used to restore state of
* the object when undoing the operation
*
* Modified geometry is stored after the modification and is used to redo the modification. */
SculptUndoNodeGeometry geometry_original;
SculptUndoNodeGeometry geometry_modified;
/* Geometry at the bmesh enter moment. */
SculptUndoNodeGeometry geometry_bmesh_enter;
/* pivot */
float pivot_pos[3];
float pivot_rot[4];
/* Sculpt Face Sets */
int *face_sets;
size_t undo_size;
} SculptUndoNode;
/* Factor of brush to have rake point following behind
* (could be configurable but this is reasonable default). */
#define SCULPT_RAKE_BRUSH_FACTOR 0.25f
struct SculptRakeData {
float follow_dist;
float follow_co[3];
};
/* Single struct used by all BLI_task threaded callbacks, let's avoid adding 10's of those... */
typedef struct SculptThreadedTaskData {
struct bContext *C;
struct Sculpt *sd;
struct Object *ob;
const struct Brush *brush;
struct PBVHNode **nodes;
int totnode;
struct VPaint *vp;
struct VPaintData *vpd;
struct WPaintData *wpd;
struct WeightPaintInfo *wpi;
unsigned int *lcol;
struct Mesh *me;
/* For passing generic params. */
void *custom_data;
/* Data specific to some callbacks. */
/* Note: even if only one or two of those are used at a time,
* keeping them separated, names help figuring out
* what it is, and memory overhead is ridiculous anyway. */
float flippedbstrength;
float angle;
float strength;
bool smooth_mask;
bool has_bm_orco;
struct SculptProjectVector *spvc;
float *offset;
float *grab_delta;
float *cono;
float *area_no;
float *area_no_sp;
float *area_co;
float (*mat)[4];
float (*vertCos)[3];
/* X and Z vectors aligned to the stroke direction for operations where perpendicular vectors to
* the stroke direction are needed. */
float (*stroke_xz)[3];
int filter_type;
float filter_strength;
bool use_area_cos;
bool use_area_nos;
/* 0=towards view, 1=flipped */
float (*area_cos)[3];
float (*area_nos)[3];
int *count_no;
int *count_co;
bool any_vertex_sampled;
float *prev_mask;
float *pose_factor;
float *pose_initial_co;
int pose_chain_segment;
float multiplane_scrape_angle;
float multiplane_scrape_planes[2][4];
float max_distance_squared;
float nearest_vertex_search_co[3];
/* Stabilized strength for the Clay Thumb brush. */
float clay_strength;
int mask_expand_update_it;
bool mask_expand_invert_mask;
bool mask_expand_use_normals;
bool mask_expand_keep_prev_mask;
bool mask_expand_create_face_set;
float transform_mats[8][4][4];
float cloth_time_step;
float dirty_mask_min;
float dirty_mask_max;
bool dirty_mask_dirty_only;
int face_set;
ThreadMutex mutex;
} SculptThreadedTaskData;
/*************** Brush testing declarations ****************/
typedef struct SculptBrushTest {
float radius_squared;
float radius;
float location[3];
float dist;
int mirror_symmetry_pass;
/* For circle (not sphere) projection. */
float plane_view[4];
/* Some tool code uses a plane for it's calculateions. */
float plane_tool[4];
/* View3d clipping - only set rv3d for clipping */
struct RegionView3D *clip_rv3d;
} SculptBrushTest;
typedef bool (*SculptBrushTestFn)(SculptBrushTest *test, const float co[3]);
typedef struct {
struct Sculpt *sd;
struct SculptSession *ss;
float radius_squared;
const float *center;
bool original;
bool ignore_fully_masked;
} SculptSearchSphereData;
typedef struct {
struct Sculpt *sd;
struct SculptSession *ss;
float radius_squared;
bool original;
bool ignore_fully_masked;
struct DistRayAABB_Precalc *dist_ray_to_aabb_precalc;
} SculptSearchCircleData;
void SCULPT_brush_test_init(struct SculptSession *ss, SculptBrushTest *test);
bool SCULPT_brush_test_sphere(SculptBrushTest *test, const float co[3]);
bool SCULPT_brush_test_sphere_sq(SculptBrushTest *test, const float co[3]);
bool SCULPT_brush_test_sphere_fast(const SculptBrushTest *test, const float co[3]);
bool SCULPT_brush_test_cube(SculptBrushTest *test,
const float co[3],
const float local[4][4],
const float roundness);
bool SCULPT_brush_test_circle_sq(SculptBrushTest *test, const float co[3]);
bool SCULPT_search_sphere_cb(PBVHNode *node, void *data_v);
bool SCULPT_search_circle_cb(PBVHNode *node, void *data_v);
SculptBrushTestFn SCULPT_brush_test_init_with_falloff_shape(SculptSession *ss,
SculptBrushTest *test,
char falloff_shape);
const float *SCULPT_brush_frontface_normal_from_falloff_shape(SculptSession *ss,
char falloff_shape);
float SCULPT_brush_strength_factor(struct SculptSession *ss,
const struct Brush *br,
const float point[3],
const float len,
const short vno[3],
const float fno[3],
const float mask,
const int vertex_index,
const int thread_id);
/* just for vertex paint. */
bool SCULPT_pbvh_calc_area_normal(const struct Brush *brush,
Object *ob,
PBVHNode **nodes,
int totnode,
bool use_threading,
float r_area_no[3]);
/* Cache stroke properties. Used because
* RNA property lookup isn't particularly fast.
*
* For descriptions of these settings, check the operator properties.
*/
#define SCULPT_CLAY_STABILIZER_LEN 10
typedef struct StrokeCache {
/* Invariants */
float initial_radius;
float scale[3];
int flag;
float clip_tolerance[3];
float initial_mouse[2];
/* Variants */
float radius;
float radius_squared;
float true_location[3];
float true_last_location[3];
float location[3];
float last_location[3];
/* Used for alternating between deformation in brushes that need to apply different ones to
* achieve certain effects. */
int iteration_count;
/* Original pixel radius with the pressure curve applied for dyntopo detail size */
float dyntopo_pixel_radius;
bool is_last_valid;
bool pen_flip;
bool invert;
float pressure;
float mouse[2];
float bstrength;
float normal_weight; /* from brush (with optional override) */
/* The rest is temporary storage that isn't saved as a property */
bool first_time; /* Beginning of stroke may do some things special */
/* from ED_view3d_ob_project_mat_get() */
float projection_mat[4][4];
/* Clean this up! */
struct ViewContext *vc;
const struct Brush *brush;
float special_rotation;
float grab_delta[3], grab_delta_symmetry[3];
float old_grab_location[3], orig_grab_location[3];
/* screen-space rotation defined by mouse motion */
float rake_rotation[4], rake_rotation_symmetry[4];
bool is_rake_rotation_valid;
struct SculptRakeData rake_data;
/* Face Sets */
int paint_face_set;
/* Symmetry index between 0 and 7 bit combo 0 is Brush only;
* 1 is X mirror; 2 is Y mirror; 3 is XY; 4 is Z; 5 is XZ; 6 is YZ; 7 is XYZ */
int symmetry;
int mirror_symmetry_pass; /* the symmetry pass we are currently on between 0 and 7*/
float true_view_normal[3];
float view_normal[3];
/* sculpt_normal gets calculated by calc_sculpt_normal(), then the
* sculpt_normal_symm gets updated quickly with the usual symmetry
* transforms */
float sculpt_normal[3];
float sculpt_normal_symm[3];
/* Used for area texture mode, local_mat gets calculated by
* calc_brush_local_mat() and used in tex_strength(). */
float brush_local_mat[4][4];
float plane_offset[3]; /* used to shift the plane around when doing tiled strokes */
int tile_pass;
float last_center[3];
int radial_symmetry_pass;
float symm_rot_mat[4][4];
float symm_rot_mat_inv[4][4];
bool original;
float anchored_location[3];
/* Pose brush */
struct SculptPoseIKChain *pose_ik_chain;
/* Clay Thumb brush */
/* Angle of the front tilting plane of the brush to simulate clay accumulation. */
float clay_thumb_front_angle;
/* Stores pressure samples to get an stabilized strength and radius variation. */
float clay_pressure_stabilizer[SCULPT_CLAY_STABILIZER_LEN];
int clay_pressure_stabilizer_index;
/* Cloth brush */
struct SculptClothSimulation *cloth_sim;
float initial_location[3];
float true_initial_location[3];
float initial_normal[3];
float true_initial_normal[3];
/* Surface Smooth Brush */
/* Stores the displacement produced by the laplacian step of HC smooth. */
float (*surface_smooth_laplacian_disp)[3];
float vertex_rotation; /* amount to rotate the vertices when using rotate brush */
struct Dial *dial;
char saved_active_brush_name[MAX_ID_NAME];
char saved_mask_brush_tool;
int saved_smooth_size; /* smooth tool copies the size of the current tool */
bool alt_smooth;
float plane_trim_squared;
bool supports_gravity;
float true_gravity_direction[3];
float gravity_direction[3];
float *automask;
float stroke_local_mat[4][4];
float multiplane_scrape_angle;
rcti previous_r; /* previous redraw rectangle */
rcti current_r; /* current redraw rectangle */
} StrokeCache;
typedef struct FilterCache {
bool enabled_axis[3];
int random_seed;
/* Used for alternating between filter operations in filters that need to apply different ones to
* achieve certain effects. */
int iteration_count;
/* Stores the displacement produced by the laplacian step of HC smooth. */
float (*surface_smooth_laplacian_disp)[3];
float surface_smooth_shape_preservation;
float surface_smooth_current_vertex;
/* unmasked nodes */
PBVHNode **nodes;
int totnode;
/* mask expand iteration caches */
int mask_update_current_it;
int mask_update_last_it;
int *mask_update_it;
float *normal_factor;
float *edge_factor;
float *prev_mask;
float mask_expand_initial_co[3];
/* Used to prevent undesired results on certain mesh filters. */
float *automask;
int new_face_set;
int *prev_face_set;
int active_face_set;
} FilterCache;
void SCULPT_cache_calc_brushdata_symm(StrokeCache *cache,
const char symm,
const char axis,
const float angle);
void SCULPT_cache_free(StrokeCache *cache);
SculptUndoNode *SCULPT_undo_push_node(Object *ob, PBVHNode *node, SculptUndoType type);
SculptUndoNode *SCULPT_undo_get_node(PBVHNode *node);
void SCULPT_undo_push_begin(const char *name);
void SCULPT_undo_push_end(void);
void SCULPT_undo_push_end_ex(const bool use_nested_undo);
void SCULPT_vertcos_to_key(Object *ob, KeyBlock *kb, const float (*vertCos)[3]);
void SCULPT_update_object_bounding_box(struct Object *ob);
bool SCULPT_get_redraw_rect(struct ARegion *region,
struct RegionView3D *rv3d,
Object *ob,
rcti *rect);
/* Operators */
/* Face Sets */
void SCULPT_OT_face_sets_randomize_colors(struct wmOperatorType *ot);
void SCULPT_OT_face_sets_change_visibility(struct wmOperatorType *ot);
void SCULPT_OT_face_sets_init(struct wmOperatorType *ot);
void SCULPT_OT_face_sets_create(struct wmOperatorType *ot);
/* Transform */
void SCULPT_OT_set_pivot_position(struct wmOperatorType *ot);
#endif
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