--- ray/src/common/modobject.c 1991/07/29 15:47:46 1.2 +++ ray/src/common/modobject.c 2003/02/22 02:07:22 2.7 @@ -1,13 +1,69 @@ -/* Copyright (c) 1986 Regents of the University of California */ - #ifndef lint -static char SCCSid[] = "$SunId$ LBL"; +static const char RCSid[] = "$Id: modobject.c,v 2.7 2003/02/22 02:07:22 greg Exp $"; #endif - /* * Routines for tracking object modifiers + * + * External symbols declared in object.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 + * . + */ + #include "standard.h" #include "object.h" @@ -15,28 +71,50 @@ static char SCCSid[] = "$SunId$ LBL"; #include "otypes.h" -extern int (*addobjnotify[])(); /* people to notify of new objects */ - static struct ohtab { int hsiz; /* current table size */ OBJECT *htab; /* table, if allocated */ } modtab = {100, NULL}, objtab = {1000, NULL}; /* modifiers and objects */ +static int otndx(); -#ifdef GETOBJ + int -object(oname) /* get an object number from its name */ -char *oname; +objndx(op) /* get object number from pointer */ +register OBJREC *op; { - register int ndx; + register int i, j; - ndx = otndx(oname, &objtab); - return(objtab.htab[ndx]); + for (i = nobjects>>OBJBLKSHFT; i >= 0; i--) { + j = op - objblock[i]; + if (j >= 0 && j < OBJBLKSIZ) + return((i< 0; ) { /* need to search */ + op = objptr(i); + if (ismodifier(op->otype) && !strcmp(op->oname, mname)) + return(i); + } + return(OVOID); +} + + +int modifier(mname) /* get a modifier number from its name */ char *mname; { @@ -47,24 +125,56 @@ char *mname; } +#ifdef GETOBJ +int +object(oname) /* get an object number from its name */ +char *oname; +{ + register int ndx; + + ndx = otndx(oname, &objtab); + return(objtab.htab[ndx]); +} +#endif + + +void insertobject(obj) /* insert new object into our list */ register OBJECT obj; { register int i; -#ifdef GETOBJ - i = otndx(objptr(obj)->oname, &objtab); - objtab.htab[i] = obj; -#endif if (ismodifier(objptr(obj)->otype)) { i = otndx(objptr(obj)->oname, &modtab); modtab.htab[i] = obj; } +#ifdef GETOBJ + else { + i = otndx(objptr(obj)->oname, &objtab); + objtab.htab[i] = obj; + } +#endif for (i = 0; addobjnotify[i] != NULL; i++) (*addobjnotify[i])(obj); } +void +clearobjndx() /* clear object hash tables */ +{ + if (modtab.htab != NULL) { + free((void *)modtab.htab); + modtab.htab = NULL; + modtab.hsiz = 100; + } + if (objtab.htab != NULL) { + free((void *)objtab.htab); + objtab.htab = NULL; + objtab.hsiz = 100; + } +} + + static int nexthsiz(oldsiz) /* return next hash table size */ int oldsiz; @@ -82,18 +192,6 @@ int oldsiz; static int -shash(s) /* hash a string */ -register char *s; -{ - register int h = 0; - - while (*s) - h = (h<<1 & 0x7fff) ^ *s++; - return(h); -} - - -static int otndx(name, tab) /* get object table index for name */ char *name; register struct ohtab *tab; @@ -129,6 +227,6 @@ tryagain: i = otndx(objptr(oldhtab[ndx])->oname, tab); tab->htab[i] = oldhtab[ndx]; } - free((char *)oldhtab); + free((void *)oldhtab); goto tryagain; /* should happen only once! */ }