/* $Id$
 *
 * ***** 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): Willian P. Germano & Joseph Gilbert
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 *
 */

#ifndef EXPP_vector_h
#define EXPP_vector_h

#include <Python.h>

#define VectorObject_Check(v) ((v)->ob_type == &vector_Type)

typedef struct {
	PyObject_VAR_HEAD 
	struct{
		float *py_data;		//python managed
		float *blend_data;	//blender managed
	}data;
	float *vec;				//1D array of data (alias)
	int size;
	int wrapped;			//is wrapped data?
	PyObject *coerced_object;
} VectorObject;
/*coerced_object is a pointer to the object that it was
coerced from when a dummy vector needs to be created from
the coerce() function for numeric protocol operations*/

/*struct data contains a pointer to the actual data that the
object uses. It can use either PyMem allocated data (which will
be stored in py_data) or be a wrapper for data allocated through
blender (stored in blend_data). This is an either/or struct not both*/

//prototypes
PyObject *Vector_Zero( VectorObject * self );
PyObject *Vector_Normalize( VectorObject * self );
PyObject *Vector_Negate( VectorObject * self );
PyObject *Vector_Resize2D( VectorObject * self );
PyObject *Vector_Resize3D( VectorObject * self );
PyObject *Vector_Resize4D( VectorObject * self );
PyObject *Vector_toPoint( VectorObject * self );
PyObject *Vector_ToTrackQuat( VectorObject * self, PyObject * args );
PyObject *newVectorObject(float *vec, int size, int type);

#endif				/* EXPP_vector_h */