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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 DNA_groom_types.h
* \ingroup DNA
*/
#ifndef __DNA_GROOM_TYPES_H__
#define __DNA_GROOM_TYPES_H__
#include "DNA_defs.h"
#include "DNA_listBase.h"
#include "DNA_ID.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Vertex in a closed curve for a bundle section */
typedef struct GroomSectionVertex
{
int flag;
float co[2]; /* Location in the section plane */
} GroomSectionVertex;
typedef enum GroomVertexFlag
{
GM_VERTEX_SELECT = (1 << 0),
} GroomVertexFlag;
/* Cross-section of a bundle */
typedef struct GroomSection {
int flag;
int pad;
float center[3]; /* Center point */
float mat[3][3]; /* Local coordinate frame */
} GroomSection;
typedef enum GroomSectionFlag
{
GM_SECTION_SELECT = (1 << 0),
} GroomSectionFlag;
/* Single interpolated step along a groom curve */
typedef struct GroomCurveCache
{
float co[3]; /* Location vector */
} GroomCurveCache;
/* Bundle of hair strands following the same curve path */
typedef struct GroomBundle {
struct GroomBundle *next, *prev; /* Pointers for ListBase element */
int flag;
int numshapeverts; /* Vertices per section loop */
int totsections; /* Number of sections along the curve */
int totverts; /* Number of vertices of all sections combined */
int curvesize; /* Number of verticess in a curve = (totsections - 1) * curve_res + 1 */
int totcurvecache; /* Number of cached curve steps = curve_size * (numshapeverts + 1) */
struct GroomSection *sections; /* List of sections [totsections] */
struct GroomSectionVertex *verts; /* List of vertices [totsections][numloopverts] */
struct GroomCurveCache *curvecache; /* Cached curve steps [numshapeverts + 1][curve_size], last is center curve */
struct MeshSample *scalp_region; /* Mesh samples bind to a scalp region [numloopverts + 1], last is center position */
/* Scalp Region */
/* XXX Face maps are used temporarily for creating regions,
* eventually should be replaced by a fully fledged 2D loop mesh */
char scalp_facemap_name[64]; /* Scalp face map to use as region, MAX_VGROUP_NAME */
} GroomBundle;
typedef enum GroomBundleFlag
{
GM_BUNDLE_SELECT = (1 << 0),
} GroomBundleFlag;
/* Editable groom data */
typedef struct EditGroom {
ListBase bundles; /* List of GroomBundle */
} EditGroom;
/* Groom curves for creating hair styles */
typedef struct Groom {
ID id; /* Groom data is a datablock */
struct AnimData *adt; /* Animation data - for animating settings */
int curve_res; /* Curve resolution */
int pad;
ListBase bundles; /* List of GroomBundle */
int active_bundle; /* Index of active bundle in bundles list */
int pad2;
struct HairSystem *hair_system; /* Renderable hair geometry */
struct HairDrawSettings *hair_draw_settings; /* Draw settings for hair geometry */
struct Object *scalp_object; /* Surface for attaching hairs */
struct BoundBox *bb;
EditGroom *editgroom;
void *batch_cache;
} Groom;
#ifdef __cplusplus
}
#endif
#endif /* __DNA_GROOM_TYPES_H__ */
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