src/ot/writeoct.c

/* Copyright (c) 1992 Regents of the University of California */

#ifndef lint
static char SCCSid[] = "$SunId$ LBL";
#endif

/*
 *  writeoct.c - routines for writing octree information to stdout.
 *
 *     7/30/85
 */

#include  "standard.h"

#include  "octree.h"

#include  "object.h"

#include  "otypes.h"

static int  oputint(), oputstr(), puttree(), putobj();


writeoct(store, scene, ofn)             /* write octree structures to stdout */
int  store;
CUBE  *scene;
char  *ofn[];
{
        char  sbuf[64];
        register int  i;
                                        /* write format number */
        oputint((long)(OCTMAGIC+sizeof(OBJECT)), 2);

        if (!(store & IO_BOUNDS))
                return;
                                        /* write boundaries */
        for (i = 0; i < 3; i++) {
                sprintf(sbuf, "%.12g", scene->cuorg[i]);
                oputstr(sbuf);
        }
        sprintf(sbuf, "%.12g", scene->cusize);
        oputstr(sbuf);
                                        /* write object file names */
        if (store & IO_FILES)
                for (i = 0; ofn[i] != NULL; i++)
                        oputstr(ofn[i]);
        oputstr("");
                                        /* write number of objects */
        oputint((long)nobjects, sizeof(OBJECT));

        if (!(store & IO_TREE))
                return;
                                        /* write the octree */
        puttree(scene->cutree);

        if (store & IO_FILES || !(store & IO_SCENE))
                return;
                                        /* write the scene */
        for (i = 0; i < NUMOTYPE; i++)
                oputstr(ofun[i].funame);
        oputstr("");
        for (i = 0; i < nobjects; i++)
                putobj(objptr(i));
        putobj(NULL);
}


static
oputstr(s)                      /* write null-terminated string to stdout */
register char  *s;
{
        putstr(s, stdout);
        if (ferror(stdout))
                error(SYSTEM, "write error in putstr");
}


static
putfullnode(fn)                 /* write out a full node */
OCTREE  fn;
{
        OBJECT  oset[MAXSET+1];
        register int  i;

        objset(oset, fn);
        for (i = 0; i <= oset[0]; i++)
                oputint((long)oset[i], sizeof(OBJECT));
}


static
oputint(i, siz)                 /* write a siz-byte integer to stdout */
register long  i;
register int  siz;
{
        putint(i, siz, stdout);
        if (ferror(stdout))
                error(SYSTEM, "write error in putint");
}


static
oputflt(f)                      /* put out floating point number */
double  f;
{
        putflt(f, stdout);
        if (ferror(stdout))
                error(SYSTEM, "write error in putflt");
}


static
puttree(ot)                     /* write octree to stdout in pre-order form */
register OCTREE  ot;
{
        register int  i;
        
        if (istree(ot)) {
                putc(OT_TREE, stdout);          /* indicate tree */
                for (i = 0; i < 8; i++)         /* write tree */
                        puttree(octkid(ot, i));
        } else if (isfull(ot)) {
                putc(OT_FULL, stdout);          /* indicate fullnode */
                putfullnode(ot);                /* write fullnode */
        } else
                putc(OT_EMPTY, stdout);         /* indicate empty */
}


static
putobj(o)                       /* write out object */
register OBJREC  *o;
{
        register int  i;

        if (o == NULL) {                /* terminator */
                oputint(-1L, 1);
                return;
        }
        oputint((long)o->otype, 1);
        oputint((long)o->omod, sizeof(OBJECT));
        oputstr(o->oname);
        oputint((long)o->oargs.nsargs, 2);
        for (i = 0; i < o->oargs.nsargs; i++)
                oputstr(o->oargs.sarg[i]);
#ifdef  IARGS
        oputint((long)o->oargs.niargs, 2);
        for (i = 0; i < o->oargs.niargs; i++)
                oputint((long)o->oargs.iarg[i], 4);
#endif
        oputint((long)o->oargs.nfargs, 2);
        for (i = 0; i < o->oargs.nfargs; i++)
                oputflt(o->oargs.farg[i]);
}
Revision:	2.2
Committed:	Mon Jul 13 15:43:33 1992 UTC (33 years, 3 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.1:	+29 -34 lines
Log Message:	moved portable i/o routines to rt library
#	User	Rev	Content
1	greg	2.2	/* Copyright (c) 1992 Regents of the University of California */
2	greg	1.1
3			#ifndef lint
4			static char SCCSid[] = "$SunId$ LBL";
5			#endif
6
7			/*
8			* writeoct.c - routines for writing octree information to stdout.
9			*
10			* 7/30/85
11			*/
12
13			#include "standard.h"
14
15			#include "octree.h"
16
17			#include "object.h"
18
19			#include "otypes.h"
20
21	greg	2.2	static int oputint(), oputstr(), puttree(), putobj();
22	greg	1.6
23	greg	1.1
24			writeoct(store, scene, ofn) /* write octree structures to stdout */
25			int store;
26			CUBE *scene;
27			char *ofn[];
28			{
29			char sbuf[64];
30			register int i;
31			/* write format number */
32	greg	2.2	oputint((long)(OCTMAGIC+sizeof(OBJECT)), 2);
33	greg	1.1
34			if (!(store & IO_BOUNDS))
35			return;
36			/* write boundaries */
37			for (i = 0; i < 3; i++) {
38			sprintf(sbuf, "%.12g", scene->cuorg[i]);
39	greg	2.2	oputstr(sbuf);
40	greg	1.1	}
41			sprintf(sbuf, "%.12g", scene->cusize);
42	greg	2.2	oputstr(sbuf);
43	greg	1.1	/* write object file names */
44			if (store & IO_FILES)
45			for (i = 0; ofn[i] != NULL; i++)
46	greg	2.2	oputstr(ofn[i]);
47			oputstr("");
48	greg	1.3	/* write number of objects */
49	greg	2.2	oputint((long)nobjects, sizeof(OBJECT));
50	greg	1.1
51			if (!(store & IO_TREE))
52			return;
53			/* write the octree */
54			puttree(scene->cutree);
55
56			if (store & IO_FILES \|\| !(store & IO_SCENE))
57			return;
58			/* write the scene */
59			for (i = 0; i < NUMOTYPE; i++)
60	greg	2.2	oputstr(ofun[i].funame);
61			oputstr("");
62	greg	1.1	for (i = 0; i < nobjects; i++)
63			putobj(objptr(i));
64			putobj(NULL);
65			}
66
67
68			static
69	greg	2.2	oputstr(s) /* write null-terminated string to stdout */
70	greg	1.1	register char *s;
71			{
72	greg	2.2	putstr(s, stdout);
73	greg	1.1	if (ferror(stdout))
74			error(SYSTEM, "write error in putstr");
75			}
76
77
78			static
79			putfullnode(fn) /* write out a full node */
80			OCTREE fn;
81			{
82			OBJECT oset[MAXSET+1];
83			register int i;
84
85			objset(oset, fn);
86			for (i = 0; i <= oset[0]; i++)
87	greg	2.2	oputint((long)oset[i], sizeof(OBJECT));
88	greg	1.1	}
89
90
91			static
92	greg	2.2	oputint(i, siz) /* write a siz-byte integer to stdout */
93	greg	1.1	register long i;
94			register int siz;
95			{
96	greg	2.2	putint(i, siz, stdout);
97	greg	1.1	if (ferror(stdout))
98			error(SYSTEM, "write error in putint");
99			}
100
101
102			static
103	greg	2.2	oputflt(f) /* put out floating point number */
104	greg	1.1	double f;
105			{
106	greg	2.2	putflt(f, stdout);
107			if (ferror(stdout))
108			error(SYSTEM, "write error in putflt");
109	greg	1.1	}
110
111
112			static
113			puttree(ot) /* write octree to stdout in pre-order form */
114			register OCTREE ot;
115			{
116			register int i;
117
118			if (istree(ot)) {
119			putc(OT_TREE, stdout); /* indicate tree */
120			for (i = 0; i < 8; i++) /* write tree */
121			puttree(octkid(ot, i));
122			} else if (isfull(ot)) {
123			putc(OT_FULL, stdout); /* indicate fullnode */
124			putfullnode(ot); /* write fullnode */
125			} else
126			putc(OT_EMPTY, stdout); /* indicate empty */
127			}
128
129
130			static
131			putobj(o) /* write out object */
132			register OBJREC *o;
133			{
134			register int i;
135
136			if (o == NULL) { /* terminator */
137	greg	2.2	oputint(-1L, 1);
138	greg	1.1	return;
139			}
140	greg	2.2	oputint((long)o->otype, 1);
141			oputint((long)o->omod, sizeof(OBJECT));
142			oputstr(o->oname);
143			oputint((long)o->oargs.nsargs, 2);
144	greg	1.1	for (i = 0; i < o->oargs.nsargs; i++)
145	greg	2.2	oputstr(o->oargs.sarg[i]);
146	greg	1.1	#ifdef IARGS
147	greg	2.2	oputint((long)o->oargs.niargs, 2);
148	greg	1.1	for (i = 0; i < o->oargs.niargs; i++)
149	greg	2.2	oputint((long)o->oargs.iarg[i], 4);
150	greg	1.1	#endif
151	greg	2.2	oputint((long)o->oargs.nfargs, 2);
152	greg	1.1	for (i = 0; i < o->oargs.nfargs; i++)
153	greg	2.2	oputflt(o->oargs.farg[i]);
154	greg	1.1	}