#ifndef lint
static const char	RCSid[] = "$Id: freeobjmem.c,v 2.4 2003/02/22 02:07:28 greg Exp $";
#endif
/*
 * Free memory associated with object(s)
 *
 * External symbols declared in ray.h
 */

/* ====================================================================
 * The Radiance Software License, Version 1.0
 *
 * Copyright (c) 1990 - 2002 The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory.   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *           if any, must include the following acknowledgment:
 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
 *                 developed by the Lawrence Berkeley National Laboratory
 *               (http://www.lbl.gov/)."
 *       Alternately, this acknowledgment may appear in the software itself,
 *       if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
 *       and "The Regents of the University of California" must
 *       not be used to endorse or promote products derived from this
 *       software without prior written permission. For written
 *       permission, please contact radiance@radsite.lbl.gov.
 *
 * 5. Products derived from this software may not be called "Radiance",
 *       nor may "Radiance" appear in their name, without prior written
 *       permission of Lawrence Berkeley National Laboratory.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
 * information on Lawrence Berkeley National Laboratory, please see
 * <http://www.lbl.gov/>.
 */

#include "ray.h"
#include "otypes.h"
#include "face.h"
#include "cone.h"
#include "instance.h"
#include "data.h"
#include "font.h"


int
free_os(op)			/* free unneeded memory for object */
register OBJREC	*op;
{
	if (op->os == NULL)
		return(0);
	if (hasfunc(op->otype)) {
		freefunc(op);
		return(1);
	}
	switch (op->otype) {
	case OBJ_FACE:		/* polygon */
		freeface(op);
		return(1);
	case OBJ_CONE:		/* cone */
	case OBJ_RING:		/* disk */
	case OBJ_CYLINDER:	/* cylinder */
	case OBJ_CUP:		/* inverted cone */
	case OBJ_TUBE:		/* inverted cylinder */
		freecone(op);
		return(1);
	case OBJ_INSTANCE:	/* octree instance */
		freeinstance(op);
		return(1);
	case PAT_BTEXT:		/* monochromatic text */
	case PAT_CTEXT:		/* colored text */
	case MIX_TEXT:		/* mixing text */
		freetext(op);
		return(1);
	case MAT_CLIP:		/* clipping surface */
	case MAT_SPOT:		/* spot light source */
		free((void *)op->os);
		op->os = NULL;
		return(1);
	}
#ifdef DEBUG
	objerror(op, WARNING, "cannot free structure");
#endif
	return(0);
}


int
free_objs(on, no)		/* free some object structures */
register OBJECT	on;
OBJECT	no;
{
	int	nfreed;
	register OBJREC	*op;

	for (nfreed = 0; no-- > 0; on++) {
		op = objptr(on);
		if (op->os != NULL)
			nfreed += free_os(op);
	}
	return(nfreed);
}


void
free_objmem()			/* free all object cache memory */
{
	free_objs(0, nobjects);
	freedata(NULL);
	freefont(NULL);
}