23 |
|
#define S_COMPL 2 /* select all but element */ |
24 |
|
#define S_ALL 3 /* select all */ |
25 |
|
|
26 |
– |
/* rtrace command and defaults */ |
27 |
– |
char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-dv-", |
28 |
– |
"-ab", "2", "-ad", "1024", "-as", "512", "-aa", ".1", }; |
29 |
– |
int rtargc = 14; |
30 |
– |
/* overriding rtrace options */ |
31 |
– |
char *myrtopts[] = { "-I-", "-i-", "-ld-", "-ov", "-h-", |
32 |
– |
"-fff", "-y", "0", NULL }; |
33 |
– |
|
34 |
– |
struct rtproc rt0; /* head of rtrace process list */ |
35 |
– |
|
26 |
|
struct illum_args thisillum = { /* our illum and default values */ |
27 |
|
0, |
28 |
+ |
UDzpos, |
29 |
|
DFLMAT, |
30 |
|
DFLDAT, |
31 |
|
0, |
32 |
|
VOIDID, |
33 |
|
SAMPDENS, |
34 |
|
NSAMPS, |
35 |
+ |
NULL, |
36 |
|
0., |
37 |
|
}; |
38 |
|
|
39 |
|
char matcheck[MAXSTR]; /* current material to include or exclude */ |
40 |
|
int matselect = S_ALL; /* selection criterion */ |
41 |
|
|
50 |
– |
FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
51 |
– |
|
52 |
– |
char persistfn[] = "pfXXXXXX"; /* persist file name */ |
53 |
– |
|
42 |
|
int gargc; /* global argc */ |
43 |
|
char **gargv; /* global argv */ |
56 |
– |
#define progname gargv[0] |
44 |
|
|
45 |
|
int doneheader = 0; /* printed header yet? */ |
46 |
|
#define checkhead() if (!doneheader++) printhead(gargc,gargv) |
47 |
|
|
48 |
|
int warnings = 1; /* print warnings? */ |
49 |
|
|
50 |
< |
int done_rprocs(struct rtproc *rtp); |
64 |
< |
void init(int np); |
50 |
> |
void init(char *octnm, int np); |
51 |
|
void filter(register FILE *infp, char *name); |
52 |
|
void xoptions(char *s, char *nm); |
53 |
|
void printopts(void); |
62 |
|
) |
63 |
|
{ |
64 |
|
int nprocs = 1; |
79 |
– |
char *rtpath; |
65 |
|
FILE *fp; |
66 |
+ |
int rval; |
67 |
|
register int i; |
68 |
|
/* set global arguments */ |
69 |
|
gargv = argv; |
70 |
< |
/* check for -n option */ |
71 |
< |
if (!strcmp(argv[1], "-n")) { |
72 |
< |
nprocs = atoi(argv[2]); |
73 |
< |
if (nprocs <= 0) |
74 |
< |
error(USER, "illegal number of processes"); |
75 |
< |
i = 3; |
76 |
< |
} else |
77 |
< |
i = 1; |
78 |
< |
/* set up rtrace command */ |
79 |
< |
for ( ; i < argc; i++) { |
80 |
< |
if (argv[i][0] == '<' && argv[i][1] == '\0') |
70 |
> |
progname = gargv[0]; |
71 |
> |
/* set up rendering defaults */ |
72 |
> |
dstrsrc = 0.25; |
73 |
> |
directrelay = 3; |
74 |
> |
directvis = 0; |
75 |
> |
ambounce = 2; |
76 |
> |
/* get options from command line */ |
77 |
> |
for (i = 1; i < argc; i++) { |
78 |
> |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
79 |
> |
; |
80 |
> |
if (rval < 0) { |
81 |
> |
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
82 |
> |
error(SYSTEM, errmsg); |
83 |
> |
} |
84 |
> |
if (argv[i][0] != '-') |
85 |
|
break; |
86 |
< |
rtargv[rtargc++] = argv[i]; |
87 |
< |
if (argv[i][0] == '-' && argv[i][1] == 'w') |
88 |
< |
switch (argv[i][2]) { |
99 |
< |
case '\0': |
100 |
< |
warnings = !warnings; |
101 |
< |
break; |
102 |
< |
case '+': |
103 |
< |
case 'T': case 't': |
104 |
< |
case 'Y': case 'y': |
105 |
< |
case '1': |
106 |
< |
warnings = 1; |
107 |
< |
break; |
108 |
< |
case '-': |
109 |
< |
case 'F': case 'f': |
110 |
< |
case 'N': case 'n': |
111 |
< |
case '0': |
112 |
< |
warnings = 0; |
113 |
< |
break; |
114 |
< |
} |
115 |
< |
} |
116 |
< |
gargc = i; |
117 |
< |
if (!strcmp(rtargv[--rtargc], "-defaults")) |
118 |
< |
nprocs = 0; |
119 |
< |
if (nprocs > 1) { /* add persist file if parallel invocation */ |
120 |
< |
rtargv[rtargc++] = "-PP"; |
121 |
< |
rtargv[rtargc++] = mktemp(persistfn); |
122 |
< |
} |
123 |
< |
/* add "mandatory" rtrace options */ |
124 |
< |
for (i = 0; myrtopts[i] != NULL; i++) |
125 |
< |
rtargv[rtargc++] = myrtopts[i]; |
126 |
< |
/* finally, put back final argument */ |
127 |
< |
rtargv[rtargc++] = argv[gargc-1]; |
128 |
< |
rtargv[rtargc] = NULL; |
129 |
< |
if (!nprocs) { /* just asking for defaults? */ |
130 |
< |
printopts(); fflush(stdout); |
131 |
< |
rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
132 |
< |
if (rtpath == NULL) { |
133 |
< |
eputs(rtargv[0]); |
134 |
< |
eputs(": command not found\n"); |
135 |
< |
exit(1); |
86 |
> |
if (!strcmp(argv[i], "-w")) { |
87 |
> |
warnings = 0; |
88 |
> |
continue; |
89 |
|
} |
90 |
< |
execv(rtpath, rtargv); |
91 |
< |
perror(rtpath); /* execv() should not return */ |
92 |
< |
exit(1); |
90 |
> |
if (!strcmp(argv[i], "-n")) { |
91 |
> |
nprocs = atoi(argv[++i]); |
92 |
> |
if (nprocs <= 0) |
93 |
> |
error(USER, "illegal number of processes"); |
94 |
> |
continue; |
95 |
> |
} |
96 |
> |
if (!strcmp(argv[i], "-defaults")) { |
97 |
> |
printopts(); |
98 |
> |
print_rdefaults(); |
99 |
> |
quit(0); |
100 |
> |
} |
101 |
> |
rval = getrenderopt(argc-i, argv+i); |
102 |
> |
if (rval < 0) { |
103 |
> |
sprintf(errmsg, "bad render option at '%s'", argv[i]); |
104 |
> |
error(USER, errmsg); |
105 |
> |
} |
106 |
> |
i += rval; |
107 |
|
} |
108 |
< |
if (gargc < 2 || argv[gargc-1][0] == '-') |
108 |
> |
gargc = ++i; |
109 |
> |
/* add "mandatory" render options */ |
110 |
> |
do_irrad = 0; |
111 |
> |
if (gargc > argc || argv[gargc-1][0] == '-') |
112 |
|
error(USER, "missing octree argument"); |
113 |
|
/* else initialize and run our calculation */ |
114 |
< |
init(nprocs); |
115 |
< |
if (gargc+1 < argc) |
114 |
> |
init(argv[gargc-1], nprocs); |
115 |
> |
if (gargc < argc) { |
116 |
> |
if (gargc == argc-1 || argv[gargc][0] != '<' || argv[gargc][1]) |
117 |
> |
error(USER, "use '< file1 file2 ..' for multiple inputs"); |
118 |
|
for (i = gargc+1; i < argc; i++) { |
119 |
|
if ((fp = fopen(argv[i], "r")) == NULL) { |
120 |
|
sprintf(errmsg, |
124 |
|
filter(fp, argv[i]); |
125 |
|
fclose(fp); |
126 |
|
} |
127 |
< |
else |
127 |
> |
} else |
128 |
|
filter(stdin, "standard input"); |
129 |
|
quit(0); |
130 |
|
return 0; /* pro forma return */ |
131 |
|
} |
132 |
|
|
133 |
|
|
162 |
– |
#ifndef SIGALRM |
163 |
– |
#define SIGALRM SIGTERM |
164 |
– |
#endif |
165 |
– |
static void |
166 |
– |
killpersist(void) /* kill persistent rtrace process */ |
167 |
– |
{ |
168 |
– |
FILE *fp = fopen(persistfn, "r"); |
169 |
– |
int pid; |
170 |
– |
|
171 |
– |
if (fp == NULL) |
172 |
– |
return; |
173 |
– |
if (fscanf(fp, "%*s %d", &pid) != 1 || kill(pid, SIGALRM) < 0) |
174 |
– |
unlink(persistfn); |
175 |
– |
fclose(fp); |
176 |
– |
} |
177 |
– |
|
178 |
– |
|
179 |
– |
int |
180 |
– |
done_rprocs(struct rtproc *rtp) |
181 |
– |
{ |
182 |
– |
int st0, st1 = 0; |
183 |
– |
|
184 |
– |
if (rtp->next != NULL) { /* close last opened first! */ |
185 |
– |
st1 = done_rprocs(rtp->next); |
186 |
– |
free((void *)rtp->next); |
187 |
– |
rtp->next = NULL; |
188 |
– |
} |
189 |
– |
st0 = close_process(&rtp->pd); |
190 |
– |
if (st0 < 0) |
191 |
– |
error(WARNING, "unknown return status from rtrace process"); |
192 |
– |
else if (st0 > 0) |
193 |
– |
return(st0); |
194 |
– |
return(st1); |
195 |
– |
} |
196 |
– |
|
134 |
|
void |
135 |
< |
quit(int status) /* exit with status */ |
135 |
> |
init(char *octnm, int np) /* start rendering process(es) */ |
136 |
|
{ |
200 |
– |
int rtstat; |
201 |
– |
|
202 |
– |
if (rt0.next != NULL) /* terminate persistent rtrace */ |
203 |
– |
killpersist(); |
204 |
– |
/* clean up rtrace process(es) */ |
205 |
– |
rtstat = done_rprocs(&rt0); |
206 |
– |
if (status == 0) |
207 |
– |
status = rtstat; |
208 |
– |
exit(status); |
209 |
– |
} |
210 |
– |
|
211 |
– |
void |
212 |
– |
init(int np) /* start rtrace and set up buffers */ |
213 |
– |
{ |
214 |
– |
struct rtproc *rtp; |
215 |
– |
int i; |
216 |
– |
int maxbytes; |
217 |
– |
/* set up object functions */ |
218 |
– |
ofun[OBJ_FACE].funp = o_face; |
219 |
– |
ofun[OBJ_SPHERE].funp = o_sphere; |
220 |
– |
ofun[OBJ_RING].funp = o_ring; |
137 |
|
/* set up signal handling */ |
138 |
|
signal(SIGINT, quit); |
139 |
|
#ifdef SIGHUP |
145 |
|
#ifdef SIGPIPE |
146 |
|
signal(SIGPIPE, quit); |
147 |
|
#endif |
148 |
< |
rtp = &rt0; /* start rtrace process(es) */ |
149 |
< |
for (i = 0; i++ < np; ) { |
234 |
< |
errno = 0; |
235 |
< |
maxbytes = open_process(&rtp->pd, rtargv); |
236 |
< |
if (maxbytes == 0) { |
237 |
< |
eputs(rtargv[0]); |
238 |
< |
eputs(": command not found\n"); |
239 |
< |
exit(1); |
240 |
< |
} |
241 |
< |
if (maxbytes < 0) |
242 |
< |
error(SYSTEM, "cannot start rtrace process"); |
243 |
< |
rtp->bsiz = maxbytes/(6*sizeof(float)); |
244 |
< |
rtp->buf = (float *)malloc(6*sizeof(float)*rtp->bsiz--); |
245 |
< |
rtp->dest = (float **)calloc(rtp->bsiz, sizeof(float *)); |
246 |
< |
if (rtp->buf == NULL || rtp->dest == NULL) |
247 |
< |
error(SYSTEM, "out of memory in init"); |
248 |
< |
rtp->nrays = 0; |
249 |
< |
if (i == np) /* last process? */ |
250 |
< |
break; |
251 |
< |
if (np > 1) |
252 |
< |
sleep(2); /* wait for persist file */ |
253 |
< |
rtp->next = (struct rtproc *)malloc(sizeof(struct rtproc)); |
254 |
< |
if (rtp->next == NULL) |
255 |
< |
error(SYSTEM, "out of memory in init"); |
256 |
< |
rtp = rtp->next; |
257 |
< |
} |
258 |
< |
rtp->next = NULL; |
259 |
< |
/* set up urand */ |
260 |
< |
initurand(16384); |
148 |
> |
/* start rendering process(es) */ |
149 |
> |
ray_pinit(octnm, np); |
150 |
|
} |
151 |
|
|
152 |
|
|
218 |
|
{ |
219 |
|
extern FILE *freopen(); |
220 |
|
char buf[64]; |
221 |
+ |
int negax; |
222 |
|
int nerrs = 0; |
223 |
|
register char *cp; |
224 |
|
|
298 |
|
} |
299 |
|
cp = sskip(cp); |
300 |
|
continue; |
301 |
< |
case 'd': /* point sample density */ |
301 |
> |
case 'd': /* sample density / BSDF data */ |
302 |
|
if (*++cp != '=') |
303 |
|
break; |
304 |
< |
if (!isintd(++cp, " \t\n\r")) |
305 |
< |
break; |
306 |
< |
thisillum.sampdens = atoi(cp); |
304 |
> |
if (thisillum.sd != NULL) { |
305 |
> |
free_BSDF(thisillum.sd); |
306 |
> |
thisillum.sd = NULL; |
307 |
> |
} |
308 |
> |
if (!*++cp || isspace(*cp)) |
309 |
> |
continue; |
310 |
> |
if (isintd(++cp, " \t\n\r")) { |
311 |
> |
thisillum.sampdens = atoi(cp); |
312 |
> |
} else { |
313 |
> |
atos(buf, sizeof(buf), cp); |
314 |
> |
thisillum.sd = load_BSDF(buf); |
315 |
> |
if (thisillum.sd == NULL) |
316 |
> |
break; |
317 |
> |
} |
318 |
|
cp = sskip(cp); |
319 |
|
continue; |
320 |
< |
case 's': /* point super-samples */ |
320 |
> |
case 's': /* surface super-samples */ |
321 |
|
if (*++cp != '=') |
322 |
|
break; |
323 |
|
if (!isintd(++cp, " \t\n\r")) |
359 |
|
} |
360 |
|
doneheader = 0; |
361 |
|
continue; |
362 |
+ |
case 'u': /* up direction */ |
363 |
+ |
if (*++cp != '=') |
364 |
+ |
break; |
365 |
+ |
if (!*++cp || isspace(*cp)) { |
366 |
+ |
thisillum.udir = UDunknown; |
367 |
+ |
continue; |
368 |
+ |
} |
369 |
+ |
negax = 0; |
370 |
+ |
if (*cp == '+') |
371 |
+ |
cp++; |
372 |
+ |
else if (*cp == '-') { |
373 |
+ |
negax++; |
374 |
+ |
cp++; |
375 |
+ |
} |
376 |
+ |
switch (*cp++) { |
377 |
+ |
case 'x': |
378 |
+ |
case 'X': |
379 |
+ |
thisillum.udir = negax ? UDxneg : UDxpos; |
380 |
+ |
break; |
381 |
+ |
case 'y': |
382 |
+ |
case 'Y': |
383 |
+ |
thisillum.udir = negax ? UDyneg : UDypos; |
384 |
+ |
break; |
385 |
+ |
case 'z': |
386 |
+ |
case 'Z': |
387 |
+ |
thisillum.udir = negax ? UDxneg : UDxpos; |
388 |
+ |
break; |
389 |
+ |
default: |
390 |
+ |
thisillum.udir = UDunknown; |
391 |
+ |
break; |
392 |
+ |
} |
393 |
+ |
if (thisillum.udir == UDunknown || !isspace(*cp)) |
394 |
+ |
break; |
395 |
+ |
continue; |
396 |
|
case '!': /* processed file! */ |
397 |
|
sprintf(errmsg, "(%s): already processed!", nm); |
398 |
|
error(WARNING, errmsg); |
438 |
|
printf("d=%d\t\t\t\t# density of points\n", thisillum.sampdens); |
439 |
|
printf("s=%d\t\t\t\t# samples per point\n", thisillum.nsamps); |
440 |
|
printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
441 |
+ |
switch (thisillum.udir) { |
442 |
+ |
case UDzneg: |
443 |
+ |
fputs("u=-Z\t\t\t\t# up is negative Z\n", stdout); |
444 |
+ |
break; |
445 |
+ |
case UDyneg: |
446 |
+ |
fputs("u=-Y\t\t\t\t# up is negative Y\n", stdout); |
447 |
+ |
break; |
448 |
+ |
case UDxneg: |
449 |
+ |
fputs("u=-X\t\t\t\t# up is negative X\n", stdout); |
450 |
+ |
break; |
451 |
+ |
case UDxpos: |
452 |
+ |
fputs("u=+X\t\t\t\t# up is positive X\n", stdout); |
453 |
+ |
break; |
454 |
+ |
case UDypos: |
455 |
+ |
fputs("u=+Y\t\t\t\t# up is positive Y\n", stdout); |
456 |
+ |
break; |
457 |
+ |
case UDzpos: |
458 |
+ |
fputs("u=+Z\t\t\t\t# up is positive Z\n", stdout); |
459 |
+ |
break; |
460 |
+ |
case UDunknown: |
461 |
+ |
break; |
462 |
+ |
} |
463 |
|
} |
464 |
|
|
465 |
|
|
533 |
|
checkhead(); |
534 |
|
/* process object */ |
535 |
|
if (doit) |
536 |
< |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt0, nm); |
536 |
> |
switch (thisobj.otype) { |
537 |
> |
case OBJ_FACE: |
538 |
> |
my_face(&thisobj, &thisillum, nm); |
539 |
> |
break; |
540 |
> |
case OBJ_SPHERE: |
541 |
> |
my_sphere(&thisobj, &thisillum, nm); |
542 |
> |
break; |
543 |
> |
case OBJ_RING: |
544 |
> |
my_ring(&thisobj, &thisillum, nm); |
545 |
> |
break; |
546 |
> |
default: |
547 |
> |
my_default(&thisobj, &thisillum, nm); |
548 |
> |
break; |
549 |
> |
} |
550 |
|
else |
551 |
|
printobj(thisillum.altmat, &thisobj); |
552 |
|
/* free arguments */ |
553 |
|
freefargs(&thisobj.oargs); |
554 |
|
return; |
555 |
|
readerr: |
556 |
< |
sprintf(errmsg, "(%s): error reading scene", nm); |
556 |
> |
sprintf(errmsg, "(%s): error reading input", nm); |
557 |
|
error(USER, errmsg); |
558 |
|
} |