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Comparing ray/src/common/modobject.c (file contents):
Revision 1.2 by greg, Mon Jul 29 15:47:46 1991 UTC vs.
Revision 2.7 by greg, Sat Feb 22 02:07:22 2003 UTC

# Line 1 | Line 1
1 /* Copyright (c) 1986 Regents of the University of California */
2
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ LBL";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6
4   /*
5   *  Routines for tracking object modifiers
6 + *
7 + *  External symbols declared in object.h
8   */
9  
10 + /* ====================================================================
11 + * The Radiance Software License, Version 1.0
12 + *
13 + * Copyright (c) 1990 - 2002 The Regents of the University of California,
14 + * through Lawrence Berkeley National Laboratory.   All rights reserved.
15 + *
16 + * Redistribution and use in source and binary forms, with or without
17 + * modification, are permitted provided that the following conditions
18 + * are met:
19 + *
20 + * 1. Redistributions of source code must retain the above copyright
21 + *         notice, this list of conditions and the following disclaimer.
22 + *
23 + * 2. Redistributions in binary form must reproduce the above copyright
24 + *       notice, this list of conditions and the following disclaimer in
25 + *       the documentation and/or other materials provided with the
26 + *       distribution.
27 + *
28 + * 3. The end-user documentation included with the redistribution,
29 + *           if any, must include the following acknowledgment:
30 + *             "This product includes Radiance software
31 + *                 (http://radsite.lbl.gov/)
32 + *                 developed by the Lawrence Berkeley National Laboratory
33 + *               (http://www.lbl.gov/)."
34 + *       Alternately, this acknowledgment may appear in the software itself,
35 + *       if and wherever such third-party acknowledgments normally appear.
36 + *
37 + * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
38 + *       and "The Regents of the University of California" must
39 + *       not be used to endorse or promote products derived from this
40 + *       software without prior written permission. For written
41 + *       permission, please contact [email protected].
42 + *
43 + * 5. Products derived from this software may not be called "Radiance",
44 + *       nor may "Radiance" appear in their name, without prior written
45 + *       permission of Lawrence Berkeley National Laboratory.
46 + *
47 + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
48 + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
50 + * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
51 + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
52 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
53 + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
54 + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
55 + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
56 + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
57 + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 + * SUCH DAMAGE.
59 + * ====================================================================
60 + *
61 + * This software consists of voluntary contributions made by many
62 + * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
63 + * information on Lawrence Berkeley National Laboratory, please see
64 + * <http://www.lbl.gov/>.
65 + */
66 +
67   #include  "standard.h"
68  
69   #include  "object.h"
# Line 15 | Line 71 | static char SCCSid[] = "$SunId$ LBL";
71   #include  "otypes.h"
72  
73  
18 extern int  (*addobjnotify[])();        /* people to notify of new objects */
19
74   static struct ohtab {
75          int  hsiz;                      /* current table size */
76          OBJECT  *htab;                  /* table, if allocated */
77   }  modtab = {100, NULL}, objtab = {1000, NULL}; /* modifiers and objects */
78  
79 + static int  otndx();
80  
81 < #ifdef  GETOBJ
81 >
82   int
83 < object(oname)                   /* get an object number from its name */
84 < char  *oname;
83 > objndx(op)                      /* get object number from pointer */
84 > register OBJREC  *op;
85   {
86 <        register int  ndx;
86 >        register int  i, j;
87  
88 <        ndx = otndx(oname, &objtab);
89 <        return(objtab.htab[ndx]);
88 >        for (i = nobjects>>OBJBLKSHFT; i >= 0; i--) {
89 >                j = op - objblock[i];
90 >                if (j >= 0 && j < OBJBLKSIZ)
91 >                        return((i<<OBJBLKSHFT) + j);
92 >        }
93 >        return(OVOID);
94   }
36 #endif
95  
96  
97   int
98 + lastmod(obj, mname)             /* find modifier definition before obj */
99 + OBJECT  obj;
100 + char  *mname;
101 + {
102 +        register OBJREC  *op;
103 +        register int  i;
104 +
105 +        i = modifier(mname);            /* try hash table first */
106 +        if (i < obj)
107 +                return(i);
108 +        for (i = obj; i-- > 0; ) {      /* need to search */
109 +                op = objptr(i);
110 +                if (ismodifier(op->otype) && !strcmp(op->oname, mname))
111 +                        return(i);
112 +        }
113 +        return(OVOID);
114 + }
115 +
116 +
117 + int
118   modifier(mname)                 /* get a modifier number from its name */
119   char  *mname;
120   {
# Line 47 | Line 125 | char  *mname;
125   }
126  
127  
128 + #ifdef  GETOBJ
129 + int
130 + object(oname)                   /* get an object number from its name */
131 + char  *oname;
132 + {
133 +        register int  ndx;
134 +
135 +        ndx = otndx(oname, &objtab);
136 +        return(objtab.htab[ndx]);
137 + }
138 + #endif
139 +
140 +
141 + void
142   insertobject(obj)               /* insert new object into our list */
143   register OBJECT  obj;
144   {
145          register int  i;
146  
55 #ifdef  GETOBJ
56        i = otndx(objptr(obj)->oname, &objtab);
57        objtab.htab[i] = obj;
58 #endif
147          if (ismodifier(objptr(obj)->otype)) {
148                  i = otndx(objptr(obj)->oname, &modtab);
149                  modtab.htab[i] = obj;
150          }
151 + #ifdef  GETOBJ
152 +        else {
153 +                i = otndx(objptr(obj)->oname, &objtab);
154 +                objtab.htab[i] = obj;
155 +        }
156 + #endif
157          for (i = 0; addobjnotify[i] != NULL; i++)
158                  (*addobjnotify[i])(obj);
159   }
160  
161  
162 + void
163 + clearobjndx()                   /* clear object hash tables */
164 + {
165 +        if (modtab.htab != NULL) {
166 +                free((void *)modtab.htab);
167 +                modtab.htab = NULL;
168 +                modtab.hsiz = 100;
169 +        }
170 +        if (objtab.htab != NULL) {
171 +                free((void *)objtab.htab);
172 +                objtab.htab = NULL;
173 +                objtab.hsiz = 100;
174 +        }
175 + }
176 +
177 +
178   static int
179   nexthsiz(oldsiz)                /* return next hash table size */
180   int  oldsiz;
# Line 82 | Line 192 | int  oldsiz;
192  
193  
194   static int
85 shash(s)                        /* hash a string */
86 register char  *s;
87 {
88        register int  h = 0;
89
90        while (*s)
91                h = (h<<1 & 0x7fff) ^ *s++;
92        return(h);
93 }
94
95
96 static int
195   otndx(name, tab)                /* get object table index for name */
196   char  *name;
197   register struct ohtab  *tab;
# Line 129 | Line 227 | tryagain:
227                          i = otndx(objptr(oldhtab[ndx])->oname, tab);
228                          tab->htab[i] = oldhtab[ndx];
229                  }
230 <        free((char *)oldhtab);
230 >        free((void *)oldhtab);
231          goto tryagain;                  /* should happen only once! */
232   }

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