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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) Blender Foundation
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Lukas Toenne
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/hair/hair_intern.h
* \ingroup edhair
*/
#ifndef __HAIR_INTERN_H__
#define __HAIR_INTERN_H__
#include "BIF_glutil.h"
#include "ED_view3d.h"
struct ARegion;
struct bContext;
struct wmOperatorType;
struct rcti;
struct Object;
struct Strands;
struct DupliObjectData;
struct StrandsKeyCacheModifier;
struct DerivedMesh;
/* hair_edit.c */
bool hair_use_mirror_x(struct Object *ob);
bool hair_use_mirror_topology(struct Object *ob);
int hair_edit_toggle_poll(struct bContext *C);
int hair_edit_poll(struct bContext *C);
void HAIR_OT_hair_edit_toggle(struct wmOperatorType *ot);
/* hair_select.c */
void HAIR_OT_select_all(struct wmOperatorType *ot);
void HAIR_OT_select_linked(struct wmOperatorType *ot);
/* hair_stroke.c */
void HAIR_OT_stroke(struct wmOperatorType *ot);
/* hair_object_cachelib.c */
bool ED_hair_object_has_hair_cache_data(struct Object *ob);
bool ED_hair_object_init_cache_edit(struct Object *ob);
bool ED_hair_object_apply_cache_edit(struct Object *ob);
/* hair_object_particles.c */
bool ED_hair_object_has_hair_particle_data(struct Object *ob);
bool ED_hair_object_init_particle_edit(struct Scene *scene, struct Object *ob);
bool ED_hair_object_apply_particle_edit(struct Object *ob);
/* ==== Hair Brush ==== */
typedef struct HairViewData {
ViewContext vc;
bglMats mats;
} HairViewData;
void hair_init_viewdata(struct bContext *C, struct HairViewData *viewdata);
bool hair_test_depth(struct HairViewData *viewdata, const float co[3], const int screen_co[2]);
bool hair_test_vertex_inside_circle(struct HairViewData *viewdata, const float mval[2], float radsq,
struct BMVert *v, float *r_dist);
bool hair_test_edge_inside_circle(struct HairViewData *viewdata, const float mval[2], float radsq,
struct BMVert *v1, struct BMVert *v2, float *r_dist, float *r_lambda);
bool hair_test_vertex_inside_rect(struct HairViewData *viewdata, struct rcti *rect, struct BMVert *v);
bool hair_test_vertex_inside_lasso(struct HairViewData *viewdata, const int mcoords[][2], short moves, struct BMVert *v);
typedef struct HairToolData {
/* context */
struct Scene *scene;
struct Object *ob;
struct BMEditStrands *edit;
struct HairEditSettings *settings;
HairViewData viewdata;
/* view space */
float mval[2]; /* mouse coordinates */
float mdepth; /* mouse z depth */
/* object space */
float imat[4][4]; /* obmat inverse */
float loc[3]; /* start location */
float delta[3]; /* stroke step */
} HairToolData;
bool hair_brush_step(struct HairToolData *data);
/* ==== Cursor ==== */
void hair_edit_cursor_start(struct bContext *C, int (*poll)(struct bContext *C));
/* ==== BMesh utilities ==== */
struct BMEditStrands;
void hair_bm_min_max(struct BMEditStrands *edit, float min[3], float max[3]);
#endif
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