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blender-archive/source/blender/blenkernel/intern/deform.c
Ton Roosendaal 968b3e7101 Memory error 'end corrupt' reports for deform groups... can't find it yet,
but this code ensures the strcpy() is using BLI_strncpy now, and it uses
more clear names for the mallocs.
2005-10-20 20:38:08 +00:00

157 lines
3.5 KiB
C

/* deform.c June 2001
*
* support for deformation groups
*
* Reevan McKay
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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/BL DUAL LICENSE BLOCK *****
*/
#include <string.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "DNA_curve_types.h"
#include "DNA_effect_types.h"
#include "DNA_lattice_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_object_force.h"
#include "DNA_scene_types.h"
#include "BKE_curve.h"
#include "BKE_deform.h"
#include "BKE_displist.h"
#include "BKE_effect.h"
#include "BKE_global.h"
#include "BKE_key.h"
#include "BKE_lattice.h"
#include "BKE_object.h"
#include "BKE_softbody.h"
#include "BKE_utildefines.h"
#include "BKE_mesh.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
void copy_defgroups(ListBase *outbase, ListBase *inbase)
{
bDeformGroup *defgroup, *defgroupn;
outbase->first= outbase->last= 0;
for (defgroup = inbase->first; defgroup; defgroup=defgroup->next){
defgroupn= copy_defgroup(defgroup);
BLI_addtail(outbase, defgroupn);
}
}
bDeformGroup* copy_defgroup (bDeformGroup *ingroup)
{
bDeformGroup *outgroup;
if (!ingroup)
return NULL;
outgroup=MEM_callocN(sizeof(bDeformGroup), "copy deformGroup");
/* For now, just copy everything over. */
memcpy (outgroup, ingroup, sizeof(bDeformGroup));
outgroup->next=outgroup->prev=NULL;
return outgroup;
}
bDeformGroup *get_named_vertexgroup(Object *ob, char *name)
{
/* return a pointer to the deform group with this name
* or return NULL otherwise.
*/
bDeformGroup *curdef;
for (curdef = ob->defbase.first; curdef; curdef=curdef->next){
if (!strcmp(curdef->name, name)){
return curdef;
}
}
return NULL;
}
int get_defgroup_num (Object *ob, bDeformGroup *dg)
{
/* Fetch the location of this deform group
* within the linked list of deform groups.
* (this number is stored in the deform
* weights of the deform verts to link them
* to this deform group) deform deform
* deform blah blah deform
*/
bDeformGroup *eg;
int def_nr;
eg = ob->defbase.first;
def_nr = 0;
/* loop through all deform groups
*/
while (eg != NULL){
/* if the current deform group is
* the one we are after, return
* def_nr
*/
if (eg == dg){
break;
}
++def_nr;
eg = eg->next;
}
/* if there was no deform group found then
* return -1 (should set up a nice symbolic
* constant for this)
*/
if (eg == NULL) return -1;
return def_nr;
}