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 |
|
* octree.c - routines dealing with octrees and cubes. |
6 |
+ |
*/ |
7 |
+ |
|
8 |
+ |
/* ==================================================================== |
9 |
+ |
* The Radiance Software License, Version 1.0 |
10 |
|
* |
11 |
< |
* 7/28/85 |
11 |
> |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
12 |
> |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
13 |
> |
* |
14 |
> |
* Redistribution and use in source and binary forms, with or without |
15 |
> |
* modification, are permitted provided that the following conditions |
16 |
> |
* are met: |
17 |
> |
* |
18 |
> |
* 1. Redistributions of source code must retain the above copyright |
19 |
> |
* notice, this list of conditions and the following disclaimer. |
20 |
> |
* |
21 |
> |
* 2. Redistributions in binary form must reproduce the above copyright |
22 |
> |
* notice, this list of conditions and the following disclaimer in |
23 |
> |
* the documentation and/or other materials provided with the |
24 |
> |
* distribution. |
25 |
> |
* |
26 |
> |
* 3. The end-user documentation included with the redistribution, |
27 |
> |
* if any, must include the following acknowledgment: |
28 |
> |
* "This product includes Radiance software |
29 |
> |
* (http://radsite.lbl.gov/) |
30 |
> |
* developed by the Lawrence Berkeley National Laboratory |
31 |
> |
* (http://www.lbl.gov/)." |
32 |
> |
* Alternately, this acknowledgment may appear in the software itself, |
33 |
> |
* if and wherever such third-party acknowledgments normally appear. |
34 |
> |
* |
35 |
> |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
36 |
> |
* and "The Regents of the University of California" must |
37 |
> |
* not be used to endorse or promote products derived from this |
38 |
> |
* software without prior written permission. For written |
39 |
> |
* permission, please contact [email protected]. |
40 |
> |
* |
41 |
> |
* 5. Products derived from this software may not be called "Radiance", |
42 |
> |
* nor may "Radiance" appear in their name, without prior written |
43 |
> |
* permission of Lawrence Berkeley National Laboratory. |
44 |
> |
* |
45 |
> |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
46 |
> |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
47 |
> |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
48 |
> |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
49 |
> |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
50 |
> |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
51 |
> |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
52 |
> |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
53 |
> |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
54 |
> |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
55 |
> |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
56 |
> |
* SUCH DAMAGE. |
57 |
> |
* ==================================================================== |
58 |
> |
* |
59 |
> |
* This software consists of voluntary contributions made by many |
60 |
> |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
61 |
> |
* information on Lawrence Berkeley National Laboratory, please see |
62 |
> |
* <http://www.lbl.gov/>. |
63 |
|
*/ |
64 |
|
|
65 |
|
#include "standard.h" |
85 |
|
errno = 0; |
86 |
|
if (octbi(freet) >= MAXOBLK) |
87 |
|
return(EMPTY); |
88 |
< |
if ((octblock[octbi(freet)] = (OCTREE *)bmalloc( |
88 |
> |
if ((octblock[octbi(freet)] = (OCTREE *)malloc( |
89 |
|
(unsigned)OCTBLKSIZ*8*sizeof(OCTREE))) == NULL) |
90 |
|
return(EMPTY); |
91 |
|
} |
94 |
|
} |
95 |
|
|
96 |
|
|
97 |
+ |
void |
98 |
|
octfree(ot) /* free an octree */ |
99 |
|
register OCTREE ot; |
100 |
|
{ |
109 |
|
} |
110 |
|
|
111 |
|
|
112 |
+ |
void |
113 |
|
octdone() /* free EVERYTHING */ |
114 |
|
{ |
115 |
|
register int i; |
117 |
|
for (i = 0; i < MAXOBLK; i++) { |
118 |
|
if (octblock[i] == NULL) |
119 |
|
break; |
120 |
< |
bfree((char *)octblock[i], (unsigned)256*8*sizeof(OCTREE)); |
120 |
> |
free((void *)octblock[i]); |
121 |
|
octblock[i] = NULL; |
122 |
|
} |
123 |
|
ofreelist = EMPTY; |
146 |
|
} |
147 |
|
|
148 |
|
|
149 |
+ |
void |
150 |
|
culocate(cu, pt) /* locate point within cube */ |
151 |
|
register CUBE *cu; |
152 |
|
register FVECT pt; |
167 |
|
} |
168 |
|
|
169 |
|
|
170 |
+ |
void |
171 |
|
cucopy(cu1, cu2) /* copy cu2 into cu1 */ |
172 |
|
register CUBE *cu1, *cu2; |
173 |
|
{ |
177 |
|
} |
178 |
|
|
179 |
|
|
180 |
+ |
int |
181 |
|
incube(cu, pt) /* determine if a point is inside a cube */ |
182 |
|
register CUBE *cu; |
183 |
|
register FVECT pt; |