1 |
– |
/* Copyright (c) 1992 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 |
|
* readoct.c - routines to read octree information. |
9 |
– |
* |
10 |
– |
* 7/30/85 |
6 |
|
*/ |
7 |
|
|
8 |
< |
#include "standard.h" |
8 |
> |
#include "copyright.h" |
9 |
|
|
10 |
< |
#include "octree.h" |
10 |
> |
#include <stdio.h> |
11 |
> |
#include <time.h> |
12 |
|
|
13 |
+ |
#include "platform.h" |
14 |
+ |
#include "paths.h" |
15 |
+ |
#include "standard.h" |
16 |
+ |
#include "octree.h" |
17 |
|
#include "object.h" |
18 |
– |
|
18 |
|
#include "otypes.h" |
19 |
+ |
#include "resolu.h" |
20 |
|
|
21 |
< |
static double ogetflt(); |
22 |
< |
static long ogetint(); |
23 |
< |
static char *ogetstr(); |
24 |
< |
static int getobj(), octerror(); |
25 |
< |
static OCTREE getfullnode(), gettree(); |
21 |
> |
static double ogetflt(void); |
22 |
> |
static long ogetint(int); |
23 |
> |
static char *ogetstr(char *); |
24 |
> |
static int nonsurfintree(OCTREE ot); |
25 |
> |
static void octerror(int etyp, char *msg); |
26 |
> |
static void skiptree(void); |
27 |
> |
static OCTREE getfullnode(void), gettree(void); |
28 |
|
|
29 |
< |
static char *infn; /* input file name */ |
29 |
> |
static char *infn; /* input file specification */ |
30 |
|
static FILE *infp; /* input file stream */ |
31 |
|
static int objsize; /* size of stored OBJECT's */ |
32 |
|
static OBJECT objorig; /* zeroeth object */ |
33 |
< |
static short otypmap[NUMOTYPE+8]; /* object type map */ |
33 |
> |
static OBJECT fnobjects; /* number of objects in this file */ |
34 |
|
|
35 |
|
|
36 |
|
int |
37 |
< |
readoct(fname, load, scene, ofn) /* read in octree from file */ |
38 |
< |
char *fname; |
39 |
< |
int load; |
40 |
< |
CUBE *scene; |
41 |
< |
char *ofn[]; |
37 |
> |
readoct( /* read in octree file or stream */ |
38 |
> |
char *inpspec, |
39 |
> |
int load, |
40 |
> |
CUBE *scene, |
41 |
> |
char *ofn[] |
42 |
> |
) |
43 |
|
{ |
44 |
< |
extern int fputs(); |
44 |
> |
time_t oct_t = 0; |
45 |
> |
time_t last_it = 0; |
46 |
|
char sbuf[512]; |
47 |
|
int nf; |
48 |
< |
OBJECT fnobjects; |
45 |
< |
register int i; |
48 |
> |
int i; |
49 |
|
long m; |
50 |
|
|
51 |
< |
if (fname == NULL) { |
51 |
> |
if (inpspec == NULL) { |
52 |
|
infn = "standard input"; |
53 |
|
infp = stdin; |
54 |
+ |
} else if (inpspec[0] == '!') { |
55 |
+ |
infn = inpspec; |
56 |
+ |
if ((infp = popen(inpspec+1, "r")) == NULL) { |
57 |
+ |
sprintf(errmsg, "cannot execute \"%s\"", inpspec); |
58 |
+ |
error(SYSTEM, errmsg); |
59 |
+ |
} |
60 |
|
} else { |
61 |
< |
infn = fname; |
62 |
< |
if ((infp = fopen(fname, "r")) == NULL) { |
61 |
> |
infn = inpspec; |
62 |
> |
if ((infp = fopen(inpspec, "r")) == NULL) { |
63 |
|
sprintf(errmsg, "cannot open octree file \"%s\"", |
64 |
< |
fname); |
64 |
> |
inpspec); |
65 |
|
error(SYSTEM, errmsg); |
66 |
|
} |
67 |
+ |
oct_t = fddate(fileno(infp)); |
68 |
|
} |
69 |
< |
#ifdef MSDOS |
70 |
< |
setmode(fileno(infp), O_BINARY); |
69 |
> |
#ifdef getc_unlocked /* avoid stupid semaphores */ |
70 |
> |
flockfile(infp); |
71 |
|
#endif |
72 |
+ |
SET_FILE_BINARY(infp); |
73 |
|
/* get header */ |
74 |
< |
if (checkheader(infp, OCTFMT, load&IO_INFO ? stdout : NULL) < 0) |
74 |
> |
if (checkheader(infp, OCTFMT, load&IO_INFO ? stdout : (FILE *)NULL) < 0) |
75 |
|
octerror(USER, "not an octree"); |
76 |
|
/* check format */ |
77 |
|
if ((objsize = ogetint(2)-OCTMAGIC) <= 0 || |
93 |
|
readobj(sbuf); |
94 |
|
if (load & IO_FILES) |
95 |
|
ofn[nf] = savqstr(sbuf); |
96 |
+ |
if (oct_t > last_it) { |
97 |
+ |
time_t t = fdate(sbuf); |
98 |
+ |
if (t > last_it) |
99 |
+ |
last_it = t; |
100 |
+ |
} |
101 |
|
nf++; |
102 |
|
} |
103 |
|
if (load & IO_FILES) |
107 |
|
if (fnobjects != m) |
108 |
|
octerror(USER, "too many objects"); |
109 |
|
|
110 |
< |
if (load & IO_TREE) /* get the octree */ |
110 |
> |
if (load & IO_TREE) /* get the octree */ |
111 |
|
scene->cutree = gettree(); |
112 |
|
else if (load & IO_SCENE && nf == 0) |
113 |
|
skiptree(); |
114 |
|
|
115 |
< |
if (load & IO_SCENE) /* get the scene */ |
115 |
> |
if (load & IO_SCENE) { /* get the scene */ |
116 |
|
if (nf == 0) { |
117 |
< |
for (i = 0; *ogetstr(sbuf); i++) |
118 |
< |
if ((otypmap[i] = otype(sbuf)) < 0) { |
119 |
< |
sprintf(errmsg, "unknown type \"%s\"", sbuf); |
104 |
< |
octerror(WARNING, errmsg); |
105 |
< |
} |
106 |
< |
while (getobj() != OVOID) |
107 |
< |
; |
117 |
> |
/* load binary scene data */ |
118 |
> |
readscene(infp, objsize); |
119 |
> |
|
120 |
|
} else { /* consistency checks */ |
121 |
|
/* check object count */ |
122 |
|
if (nobjects != objorig+fnobjects) |
123 |
|
octerror(USER, "bad object count; octree stale?"); |
124 |
|
/* check for non-surfaces */ |
125 |
< |
if (nonsurfinset(objorig, fnobjects)) |
125 |
> |
if (oct_t <= last_it && nonsurfintree(scene->cutree)) |
126 |
|
octerror(USER, "modifier in tree; octree stale?"); |
127 |
|
} |
128 |
< |
fclose(infp); |
128 |
> |
} |
129 |
> |
/* close the input */ |
130 |
> |
if (infn[0] == '!') |
131 |
> |
pclose(infp); |
132 |
> |
else if (infp != stdin) |
133 |
> |
fclose(infp); |
134 |
> |
#ifdef getc_unlocked |
135 |
> |
else |
136 |
> |
funlockfile(infp); |
137 |
> |
#endif |
138 |
|
return(nf); |
139 |
|
} |
140 |
|
|
141 |
|
|
142 |
|
static char * |
143 |
< |
ogetstr(s) /* get null-terminated string */ |
123 |
< |
char *s; |
143 |
> |
ogetstr(char *s) /* get null-terminated string */ |
144 |
|
{ |
145 |
|
extern char *getstr(); |
146 |
|
|
169 |
|
|
170 |
|
|
171 |
|
static long |
172 |
< |
ogetint(siz) /* get a siz-byte integer */ |
153 |
< |
int siz; |
172 |
> |
ogetint(int siz) /* get a siz-byte integer */ |
173 |
|
{ |
174 |
|
extern long getint(); |
175 |
|
register long r; |
216 |
|
default: |
217 |
|
octerror(USER, "damaged octree"); |
218 |
|
} |
219 |
+ |
return EMPTY; /* pro forma return */ |
220 |
|
} |
221 |
|
|
222 |
|
|
223 |
< |
static |
224 |
< |
skiptree() /* skip octree on input */ |
223 |
> |
static int |
224 |
> |
nonsurfintree(OCTREE ot) /* check tree for modifiers */ |
225 |
|
{ |
226 |
+ |
OBJECT set[MAXSET+1]; |
227 |
|
register int i; |
228 |
+ |
|
229 |
+ |
if (isempty(ot)) |
230 |
+ |
return(0); |
231 |
+ |
if (istree(ot)) { |
232 |
+ |
for (i = 0; i < 8; i++) |
233 |
+ |
if (nonsurfintree(octkid(ot, i))) |
234 |
+ |
return(1); |
235 |
+ |
return(0); |
236 |
+ |
} |
237 |
+ |
objset(set, ot); |
238 |
+ |
for (i = set[0]; i > 0; i-- ) |
239 |
+ |
if (ismodifier(objptr(set[i])->otype)) |
240 |
+ |
return(1); |
241 |
+ |
return(0); |
242 |
+ |
} |
243 |
+ |
|
244 |
+ |
|
245 |
+ |
static void |
246 |
+ |
skiptree(void) /* skip octree on input */ |
247 |
+ |
{ |
248 |
+ |
register int i; |
249 |
|
|
250 |
|
switch (getc(infp)) { |
251 |
|
case OT_EMPTY: |
267 |
|
} |
268 |
|
|
269 |
|
|
270 |
< |
static |
271 |
< |
getobj() /* get next object */ |
230 |
< |
{ |
231 |
< |
char sbuf[MAXSTR]; |
232 |
< |
int obj; |
233 |
< |
register int i; |
234 |
< |
register long m; |
235 |
< |
register OBJREC *objp; |
236 |
< |
|
237 |
< |
i = ogetint(1); |
238 |
< |
if (i == -1) |
239 |
< |
return(OVOID); /* terminator */ |
240 |
< |
if ((obj = newobject()) == OVOID) |
241 |
< |
error(SYSTEM, "out of object space"); |
242 |
< |
objp = objptr(obj); |
243 |
< |
if ((objp->otype = otypmap[i]) < 0) |
244 |
< |
octerror(USER, "reference to unknown type"); |
245 |
< |
if ((m = ogetint(objsize)) != OVOID) { |
246 |
< |
m += objorig; |
247 |
< |
if ((OBJECT)m != m) |
248 |
< |
octerror(USER, "too many objects"); |
249 |
< |
} |
250 |
< |
objp->omod = m; |
251 |
< |
objp->oname = savqstr(ogetstr(sbuf)); |
252 |
< |
if (objp->oargs.nsargs = ogetint(2)) { |
253 |
< |
objp->oargs.sarg = (char **)bmalloc |
254 |
< |
(objp->oargs.nsargs*sizeof(char *)); |
255 |
< |
if (objp->oargs.sarg == NULL) |
256 |
< |
goto memerr; |
257 |
< |
for (i = 0; i < objp->oargs.nsargs; i++) |
258 |
< |
objp->oargs.sarg[i] = savestr(ogetstr(sbuf)); |
259 |
< |
} else |
260 |
< |
objp->oargs.sarg = NULL; |
261 |
< |
#ifdef IARGS |
262 |
< |
if (objp->oargs.niargs = ogetint(2)) { |
263 |
< |
objp->oargs.iarg = (long *)bmalloc |
264 |
< |
(objp->oargs.niargs*sizeof(long)); |
265 |
< |
if (objp->oargs.iarg == NULL) |
266 |
< |
goto memerr; |
267 |
< |
for (i = 0; i < objp->oargs.niargs; i++) |
268 |
< |
objp->oargs.iarg[i] = ogetint(4); |
269 |
< |
} else |
270 |
< |
objp->oargs.iarg = NULL; |
271 |
< |
#endif |
272 |
< |
if (objp->oargs.nfargs = ogetint(2)) { |
273 |
< |
objp->oargs.farg = (FLOAT *)bmalloc |
274 |
< |
(objp->oargs.nfargs*sizeof(FLOAT)); |
275 |
< |
if (objp->oargs.farg == NULL) |
276 |
< |
goto memerr; |
277 |
< |
for (i = 0; i < objp->oargs.nfargs; i++) |
278 |
< |
objp->oargs.farg[i] = ogetflt(); |
279 |
< |
} else |
280 |
< |
objp->oargs.farg = NULL; |
281 |
< |
/* initialize */ |
282 |
< |
objp->os = NULL; |
283 |
< |
objp->lastrno = -1; |
284 |
< |
/* insert */ |
285 |
< |
insertobject(obj); |
286 |
< |
return(obj); |
287 |
< |
memerr: |
288 |
< |
error(SYSTEM, "out of memory in getobj"); |
289 |
< |
} |
290 |
< |
|
291 |
< |
|
292 |
< |
static |
293 |
< |
octerror(etyp, msg) /* octree error */ |
294 |
< |
int etyp; |
295 |
< |
char *msg; |
270 |
> |
static void |
271 |
> |
octerror(int etyp, char *msg) /* octree error */ |
272 |
|
{ |
273 |
|
char msgbuf[128]; |
274 |
|
|