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root/radiance/ray/src/ot/writeoct.c
Revision: 2.4
Committed: Fri Mar 14 21:27:46 2003 UTC (21 years, 7 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad3R5
Changes since 2.3: +4 -38 lines
Log Message:
Added -a option to obj2mesh to incorporate materials in mesh

File Contents

# User Rev Content
1 greg 1.1 #ifndef lint
2 greg 2.4 static const char RCSid[] = "$Id$";
3 greg 1.1 #endif
4     /*
5     * writeoct.c - routines for writing octree information to stdout.
6     *
7     * 7/30/85
8     */
9    
10     #include "standard.h"
11    
12     #include "octree.h"
13    
14     #include "object.h"
15    
16 greg 2.4 static int oputint(), oputstr(), puttree();
17 greg 1.6
18 greg 1.1
19     writeoct(store, scene, ofn) /* write octree structures to stdout */
20     int store;
21     CUBE *scene;
22     char *ofn[];
23     {
24     char sbuf[64];
25 greg 2.4 int i;
26 greg 1.1 /* write format number */
27 greg 2.2 oputint((long)(OCTMAGIC+sizeof(OBJECT)), 2);
28 greg 1.1
29     if (!(store & IO_BOUNDS))
30     return;
31     /* write boundaries */
32     for (i = 0; i < 3; i++) {
33     sprintf(sbuf, "%.12g", scene->cuorg[i]);
34 greg 2.2 oputstr(sbuf);
35 greg 1.1 }
36     sprintf(sbuf, "%.12g", scene->cusize);
37 greg 2.2 oputstr(sbuf);
38 greg 1.1 /* write object file names */
39     if (store & IO_FILES)
40     for (i = 0; ofn[i] != NULL; i++)
41 greg 2.2 oputstr(ofn[i]);
42     oputstr("");
43 greg 1.3 /* write number of objects */
44 greg 2.2 oputint((long)nobjects, sizeof(OBJECT));
45 greg 1.1
46     if (!(store & IO_TREE))
47     return;
48     /* write the octree */
49     puttree(scene->cutree);
50    
51     if (store & IO_FILES || !(store & IO_SCENE))
52     return;
53     /* write the scene */
54 greg 2.4 writescene(0, nobjects, stdout);
55 greg 1.1 }
56    
57    
58     static
59 greg 2.2 oputstr(s) /* write null-terminated string to stdout */
60 greg 1.1 register char *s;
61     {
62 greg 2.2 putstr(s, stdout);
63 greg 1.1 if (ferror(stdout))
64     error(SYSTEM, "write error in putstr");
65     }
66    
67    
68     static
69     putfullnode(fn) /* write out a full node */
70     OCTREE fn;
71     {
72     OBJECT oset[MAXSET+1];
73     register int i;
74    
75     objset(oset, fn);
76     for (i = 0; i <= oset[0]; i++)
77 greg 2.2 oputint((long)oset[i], sizeof(OBJECT));
78 greg 1.1 }
79    
80    
81     static
82 greg 2.2 oputint(i, siz) /* write a siz-byte integer to stdout */
83 greg 1.1 register long i;
84     register int siz;
85     {
86 greg 2.2 putint(i, siz, stdout);
87 greg 1.1 if (ferror(stdout))
88     error(SYSTEM, "write error in putint");
89     }
90    
91    
92     static
93 greg 2.2 oputflt(f) /* put out floating point number */
94 greg 1.1 double f;
95     {
96 greg 2.2 putflt(f, stdout);
97     if (ferror(stdout))
98     error(SYSTEM, "write error in putflt");
99 greg 1.1 }
100    
101    
102     static
103     puttree(ot) /* write octree to stdout in pre-order form */
104     register OCTREE ot;
105     {
106     register int i;
107    
108     if (istree(ot)) {
109     putc(OT_TREE, stdout); /* indicate tree */
110     for (i = 0; i < 8; i++) /* write tree */
111     puttree(octkid(ot, i));
112     } else if (isfull(ot)) {
113     putc(OT_FULL, stdout); /* indicate fullnode */
114     putfullnode(ot); /* write fullnode */
115     } else
116     putc(OT_EMPTY, stdout); /* indicate empty */
117     }