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/*
* Copyright 2015, Blender Foundation.
*
* 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 DNA_strands_types.h
* \ingroup DNA
*/
#ifndef __DNA_STRANDS_TYPES_H__
#define __DNA_STRANDS_TYPES_H__
#include "DNA_defs.h"
#include "DNA_meshdata_types.h"
typedef struct StrandsVertex {
float co[3];
float base[3]; /* base shape, defining deformation for children */
float time;
float weight;
/* utility data */
float nor[3]; /* normals (edge directions) */
} StrandsVertex;
typedef struct StrandsMotionState {
float co[3];
float vel[3];
/* utility data */
float nor[3]; /* normals (edge directions) */
} StrandsMotionState;
typedef struct StrandsCurve {
int numverts;
float root_matrix[3][3];
MSurfaceSample msurf;
} StrandsCurve;
typedef struct Strands {
StrandsCurve *curves;
StrandsVertex *verts;
int totcurves, totverts;
/* optional */
StrandsMotionState *state;
} Strands;
typedef struct StrandsChildCurve {
int numverts;
float root_matrix[4][4];
int parents[4];
float parent_weights[4];
float cutoff; /* shortens the curve if 0 <= cutoff < numverts */
} StrandsChildCurve;
typedef struct StrandsChildCurveUV {
float uv[2];
} StrandsChildCurveUV;
typedef struct StrandsChildCurveVCol {
float vcol[3];
} StrandsChildCurveVCol;
typedef struct StrandsChildVertex {
float co[3];
float base[3]; /* undeformed shape */
float time;
/* utility data */
float nor[3]; /* normals (edge directions) */
} StrandsChildVertex;
typedef struct StrandsChildren {
StrandsChildCurve *curves;
StrandsChildCurveUV *curve_uvs;
StrandsChildCurveVCol *curve_vcols;
StrandsChildVertex *verts;
int totcurves, totverts;
int numuv, numvcol; /* number of uv/vcol per curve */
} StrandsChildren;
#endif /* __DNA_STRANDS_TYPES_H__ */
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