/* 
 * $Id$
 *
 * ***** 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., 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.
 *
 * This is a new part of Blender.
 *
 * Contributor(s): Joseph Gilbert, Ken Hughes
 *
 * ***** END GPL LICENSE BLOCK *****
*/

#ifndef EXPP_CONSTRAINT_H
#define EXPP_CONSTRAINT_H

#include <Python.h>
#include "DNA_object_types.h"
#include "DNA_action_types.h"
#include "DNA_constraint_types.h"
#include "DNA_listBase.h"

/*****************************************************************************/
/* Python BPy_Modifier structure definition:                                 */
/*****************************************************************************/
typedef struct {
	PyObject_HEAD		/* required macro */
	Object *obj;		/* "parent" object */
	bPoseChannel *pchan;/* "parent" pose channel */
	/* if con this is null, the constraint has been removed and we need to
	 * raise an error when its data is accessed */
	bConstraint *con;
} BPy_Constraint;

extern PyTypeObject Constraint_Type;

#define BPy_Constraint_Check(v)  ((v)->ob_type == &Constraint_Type)	/* for type checking */
typedef struct {
	PyObject_HEAD		/* required macro */
	Object *obj;		/* "parent" object */
	bPoseChannel *pchan;/* "parent" pose channel */
	bConstraint *iter;
} BPy_ConstraintSeq;

/* 
 *   prototypes
 */

PyObject *Constraint_Init( void );
PyObject *Constraint_CreatePyObject( bPoseChannel *pchan, Object *obj,
		bConstraint *con );
bConstraint *Constraint_FromPyObject( BPy_Constraint * obj );

PyObject *PoseConstraintSeq_CreatePyObject( bPoseChannel *pchan );
PyObject *ObConstraintSeq_CreatePyObject( Object *obj );

#endif				/* EXPP_CONSTRAINT_H */