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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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BKE_DISPLIST_H__
#define __BKE_DISPLIST_H__
/** \file BKE_displist.h
* \ingroup bke
* \brief display list (or rather multi purpose list) stuff.
*/
#include "DNA_customdata_types.h"
#include "BKE_customdata.h"
/* dl->type */
#define DL_POLY 0
#define DL_SEGM 1
#define DL_SURF 2
#define DL_INDEX3 4
#define DL_INDEX4 5
// #define DL_VERTCOL 6 // UNUSED
#define DL_VERTS 7
/* dl->flag */
#define DL_CYCL_U 1
#define DL_CYCL_V 2
#define DL_FRONT_CURVE 4
#define DL_BACK_CURVE 8
/* prototypes */
struct Scene;
struct Object;
struct ListBase;
struct DerivedMesh;
struct EvaluationContext;
/* used for curves, nurbs, mball, importing */
typedef struct DispList {
struct DispList *next, *prev;
short type, flag;
int parts, nr;
short col, rt; /* rt used by initrenderNurbs */
float *verts, *nors;
int *index;
int charidx;
int totindex; /* indexed array drawing surfaces */
unsigned int *bevelSplitFlag;
} DispList;
void BKE_displist_copy(struct ListBase *lbn, struct ListBase *lb);
void BKE_displist_elem_free(DispList *dl);
DispList *BKE_displist_find_or_create(struct ListBase *lb, int type);
DispList *BKE_displist_find(struct ListBase *lb, int type);
void BKE_displist_normals_add(struct ListBase *lb);
void BKE_displist_count(struct ListBase *lb, int *totvert, int *totface, int *tottri);
void BKE_displist_free(struct ListBase *lb);
bool BKE_displist_has_faces(struct ListBase *lb);
void BKE_displist_make_surf(struct Scene *scene, struct Object *ob, struct ListBase *dispbase, struct DerivedMesh **r_dm_final,
const bool for_render, const bool for_orco, const bool use_render_resolution);
void BKE_displist_make_curveTypes(struct Scene *scene, struct Object *ob, const bool for_orco);
void BKE_displist_make_curveTypes_forRender(struct Scene *scene, struct Object *ob, struct ListBase *dispbase, struct DerivedMesh **r_dm_final,
const bool for_orco, const bool use_render_resolution);
void BKE_displist_make_curveTypes_forOrco(struct Scene *scene, struct Object *ob, struct ListBase *dispbase);
void BKE_displist_make_mball(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob);
void BKE_displist_make_mball_forRender(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob, struct ListBase *dispbase);
bool BKE_displist_surfindex_get(DispList *dl, int a, int *b, int *p1, int *p2, int *p3, int *p4);
void BKE_displist_fill(struct ListBase *dispbase, struct ListBase *to, const float normal_proj[3], const bool flipnormal);
float BKE_displist_calc_taper(struct Scene *scene, struct Object *taperobj, int cur, int tot);
/* add Orco layer to the displist object which has got derived mesh and return orco */
float *BKE_displist_make_orco(struct Scene *scene, struct Object *ob, struct DerivedMesh *dm_final,
const bool for_render, const bool use_render_resolution);
void BKE_displist_minmax(struct ListBase *dispbase, float min[3], float max[3]);
#endif
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