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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) 2009 by Nicholas Bishop
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BKE_PAINT_H__
#define __BKE_PAINT_H__
/** \file BKE_paint.h
* \ingroup bke
*/
struct bContext;
struct Brush;
struct MDisps;
struct MeshElemMap;
struct GridPaintMask;
struct MFace;
struct MultireModifierData;
struct MVert;
struct Object;
struct Paint;
struct PBVH;
struct Scene;
struct StrokeCache;
extern const char PAINT_CURSOR_SCULPT[3];
extern const char PAINT_CURSOR_VERTEX_PAINT[3];
extern const char PAINT_CURSOR_WEIGHT_PAINT[3];
extern const char PAINT_CURSOR_TEXTURE_PAINT[3];
void BKE_paint_init(struct Paint *p, const char col[3]);
void BKE_paint_free(struct Paint *p);
void BKE_paint_copy(struct Paint *src, struct Paint *tar);
/* TODO, give these BKE_ prefix too */
struct Paint *paint_get_active(struct Scene *sce);
struct Paint *paint_get_active_from_context(const struct bContext *C);
struct Brush *paint_brush(struct Paint *paint);
void paint_brush_set(struct Paint *paint, struct Brush *br);
/* testing face select mode
* Texture paint could be removed since selected faces are not used
* however hiding faces is useful */
int paint_facesel_test(struct Object *ob);
int paint_vertsel_test(struct Object *ob);
/* partial visibility */
int paint_is_face_hidden(const struct MFace *f, const struct MVert *mvert);
int paint_is_grid_face_hidden(const unsigned int *grid_hidden,
int gridsize, int x, int y);
/* paint masks */
float paint_grid_paint_mask(const struct GridPaintMask *gpm, unsigned level,
unsigned x, unsigned y);
/* Session data (mode-specific) */
typedef struct SculptSession {
/* Mesh data (not copied) can come either directly from a Mesh, or from a MultiresDM */
struct MultiresModifierData *multires; /* Special handling for multires meshes */
struct MVert *mvert;
struct MPoly *mpoly;
struct MLoop *mloop;
int totvert, totpoly;
float *face_normals;
struct KeyBlock *kb;
float *vmask;
/* Mesh connectivity */
const struct MeshElemMap *pmap;
/* PBVH acceleration structure */
struct PBVH *pbvh;
int show_diffuse_color;
/* Paiting on deformed mesh */
int modifiers_active; /* object is deformed with some modifiers */
float (*orig_cos)[3]; /* coords of undeformed mesh */
float (*deform_cos)[3]; /* coords of deformed mesh but without stroke displacement */
float (*deform_imats)[3][3]; /* crazyspace deformation matrices */
/* Partial redraw */
int partial_redraw;
/* Used to cache the render of the active texture */
unsigned int texcache_side, *texcache, texcache_actual;
/* Layer brush persistence between strokes */
float (*layer_co)[3]; /* Copy of the mesh vertices' locations */
struct SculptStroke *stroke;
struct StrokeCache *cache;
/* last paint/sculpt stroke location */
int last_stroke_valid;
float last_stroke[3];
} SculptSession;
void free_sculptsession(struct Object *ob);
void free_sculptsession_deformMats(struct SculptSession *ss);
#endif
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