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/*
* 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.
*/
/** \file
* \ingroup DNA
*/
#ifndef __DNA_META_TYPES_H__
#define __DNA_META_TYPES_H__
#include "DNA_ID.h"
#include "DNA_defs.h"
#include "DNA_listBase.h"
struct AnimData;
struct BoundBox;
struct Ipo;
struct Material;
typedef struct MetaElem {
struct MetaElem *next, *prev;
/** Bound Box of MetaElem. */
struct BoundBox *bb;
short type, flag;
char _pad[4];
/** Position of center of MetaElem. */
float x, y, z;
/** Rotation of MetaElem (MUST be kept normalized). */
float quat[4];
/** Dimension parameters, used for some types like cubes. */
float expx;
float expy;
float expz;
/** Radius of the meta element. */
float rad;
/** Temp field, used only while processing. */
float rad2;
/** Stiffness, how much of the element to fill. */
float s;
/** Old, only used for backwards compat. use dimensions now. */
float len;
/** Matrix and inverted matrix. */
float *mat, *imat;
} MetaElem;
typedef struct MetaBall {
ID id;
struct AnimData *adt;
ListBase elems;
ListBase disp;
/** Not saved in files, note we use pointer for editmode check. */
ListBase *editelems;
/** Old animation system, deprecated for 2.5. */
struct Ipo *ipo DNA_DEPRECATED;
/* material of the mother ball will define the material used of all others */
struct Material **mat;
/** Flag is enum for updates, flag2 is bitflags for settings. */
char flag, flag2;
short totcol;
/** Used to store MB_AUTOSPACE. */
short texflag;
char _pad[1];
/**
* ID data is older than edit-mode data (TODO: move to edit-mode struct).
* Set #Main.is_memfile_undo_flush_needed when enabling.
*/
char needs_flush_to_id;
/* texture space, copied as one block in editobject.c */
float loc[3];
float size[3];
float rot[3];
/** Display and render res. */
float wiresize, rendersize;
/* bias elements to have an offset volume.
* mother ball changes will effect other objects thresholds,
* but these may also have their own thresh as an offset */
float thresh;
/* used in editmode */
/*ListBase edit_elems;*/
MetaElem *lastelem;
void *batch_cache;
} MetaBall;
/* **************** METABALL ********************* */
/* texflag */
#define MB_AUTOSPACE 1
/* mb->flag */
#define MB_UPDATE_ALWAYS 0
#define MB_UPDATE_HALFRES 1
#define MB_UPDATE_FAST 2
#define MB_UPDATE_NEVER 3
/* mb->flag2 */
#define MB_DS_EXPAND (1 << 0)
/* ml->type */
#define MB_BALL 0
#define MB_TUBEX 1 /* depercated */
#define MB_TUBEY 2 /* depercated */
#define MB_TUBEZ 3 /* depercated */
#define MB_TUBE 4
#define MB_PLANE 5
#define MB_ELIPSOID 6
#define MB_CUBE 7
#define MB_TYPE_SIZE_SQUARED(type) (type == MB_ELIPSOID)
/* ml->flag */
#define MB_NEGATIVE 2
#define MB_HIDE 8
#define MB_SCALE_RAD 16
#endif
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