8 |
|
#include <signal.h> |
9 |
|
#include <ctype.h> |
10 |
|
|
11 |
– |
#include "platform.h" |
12 |
– |
#include "rtprocess.h" |
11 |
|
#include "mkillum.h" |
14 |
– |
#include "random.h" |
12 |
|
|
13 |
|
/* default parameters */ |
14 |
|
#define SAMPDENS 48 /* points per projected steradian */ |
21 |
|
#define S_COMPL 2 /* select all but element */ |
22 |
|
#define S_ALL 3 /* select all */ |
23 |
|
|
27 |
– |
/* rtrace command and defaults */ |
28 |
– |
char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-dv-", |
29 |
– |
"-ab", "2", "-ad", "1024", "-as", "512", "-aa", ".1", }; |
30 |
– |
int rtargc = 14; |
31 |
– |
/* overriding rtrace options */ |
32 |
– |
char *myrtopts[] = { "-I-", "-i-", "-ld-", "-ov", "-h-", |
33 |
– |
"-fff", "-y", "0", NULL }; |
34 |
– |
|
35 |
– |
struct rtproc rt0; /* head of rtrace process list */ |
36 |
– |
|
24 |
|
struct illum_args thisillum = { /* our illum and default values */ |
25 |
|
0, |
26 |
+ |
UDzpos, |
27 |
+ |
0., |
28 |
|
DFLMAT, |
29 |
|
DFLDAT, |
30 |
|
0, |
31 |
|
VOIDID, |
32 |
|
SAMPDENS, |
33 |
|
NSAMPS, |
34 |
+ |
NULL, |
35 |
|
0., |
36 |
|
}; |
37 |
|
|
38 |
|
char matcheck[MAXSTR]; /* current material to include or exclude */ |
39 |
|
int matselect = S_ALL; /* selection criterion */ |
40 |
|
|
51 |
– |
FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
52 |
– |
|
53 |
– |
char persistfn[] = "pfXXXXXX"; /* persist file name */ |
54 |
– |
|
41 |
|
int gargc; /* global argc */ |
42 |
|
char **gargv; /* global argv */ |
57 |
– |
#define progname gargv[0] |
43 |
|
|
44 |
|
int doneheader = 0; /* printed header yet? */ |
45 |
|
#define checkhead() if (!doneheader++) printhead(gargc,gargv) |
46 |
|
|
47 |
|
int warnings = 1; /* print warnings? */ |
48 |
|
|
49 |
< |
void init(int np); |
49 |
> |
void init(char *octnm, int np); |
50 |
|
void filter(register FILE *infp, char *name); |
51 |
|
void xoptions(char *s, char *nm); |
52 |
|
void printopts(void); |
61 |
|
) |
62 |
|
{ |
63 |
|
int nprocs = 1; |
79 |
– |
char *rtpath; |
64 |
|
FILE *fp; |
65 |
+ |
int rval; |
66 |
|
register int i; |
67 |
|
/* set global arguments */ |
68 |
|
gargv = argv; |
69 |
< |
/* check for -n option */ |
70 |
< |
if (!strcmp(argv[1], "-n")) { |
71 |
< |
nprocs = atoi(argv[2]); |
72 |
< |
if (nprocs <= 0) |
73 |
< |
error(USER, "illegal number of processes"); |
74 |
< |
i = 3; |
75 |
< |
} else |
76 |
< |
i = 1; |
77 |
< |
/* set up rtrace command */ |
78 |
< |
for ( ; i < argc; i++) { |
79 |
< |
if (argv[i][0] == '<' && argv[i][1] == '\0') |
69 |
> |
progname = gargv[0]; |
70 |
> |
/* set up rendering defaults */ |
71 |
> |
dstrsrc = 0.5; |
72 |
> |
directrelay = 3; |
73 |
> |
ambounce = 2; |
74 |
> |
/* get options from command line */ |
75 |
> |
for (i = 1; i < argc; i++) { |
76 |
> |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
77 |
> |
; |
78 |
> |
if (rval < 0) { |
79 |
> |
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
80 |
> |
error(SYSTEM, errmsg); |
81 |
> |
} |
82 |
> |
if (argv[i][0] != '-') |
83 |
|
break; |
84 |
< |
rtargv[rtargc++] = argv[i]; |
85 |
< |
if (argv[i][0] == '-' && argv[i][1] == 'w') |
86 |
< |
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); |
84 |
> |
if (!strcmp(argv[i], "-w")) { |
85 |
> |
warnings = 0; |
86 |
> |
continue; |
87 |
|
} |
88 |
< |
execv(rtpath, rtargv); |
89 |
< |
perror(rtpath); /* execv() should not return */ |
90 |
< |
exit(1); |
88 |
> |
if (!strcmp(argv[i], "-n")) { |
89 |
> |
nprocs = atoi(argv[++i]); |
90 |
> |
if (nprocs <= 0) |
91 |
> |
error(USER, "illegal number of processes"); |
92 |
> |
continue; |
93 |
> |
} |
94 |
> |
if (!strcmp(argv[i], "-defaults")) { |
95 |
> |
printopts(); |
96 |
> |
print_rdefaults(); |
97 |
> |
quit(0); |
98 |
> |
} |
99 |
> |
rval = getrenderopt(argc-i, argv+i); |
100 |
> |
if (rval < 0) { |
101 |
> |
sprintf(errmsg, "bad render option at '%s'", argv[i]); |
102 |
> |
error(USER, errmsg); |
103 |
> |
} |
104 |
> |
i += rval; |
105 |
|
} |
106 |
< |
if (gargc < 2 || argv[gargc-1][0] == '-') |
106 |
> |
gargc = ++i; |
107 |
> |
/* add "mandatory" render options */ |
108 |
> |
do_irrad = 0; |
109 |
> |
if (gargc > argc || argv[gargc-1][0] == '-') |
110 |
|
error(USER, "missing octree argument"); |
111 |
|
/* else initialize and run our calculation */ |
112 |
< |
init(nprocs); |
113 |
< |
if (gargc+1 < argc) |
112 |
> |
init(argv[gargc-1], nprocs); |
113 |
> |
if (gargc < argc) { |
114 |
> |
if (gargc == argc-1 || argv[gargc][0] != '<' || argv[gargc][1]) |
115 |
> |
error(USER, "use '< file1 file2 ..' for multiple inputs"); |
116 |
|
for (i = gargc+1; i < argc; i++) { |
117 |
|
if ((fp = fopen(argv[i], "r")) == NULL) { |
118 |
|
sprintf(errmsg, |
122 |
|
filter(fp, argv[i]); |
123 |
|
fclose(fp); |
124 |
|
} |
125 |
< |
else |
125 |
> |
} else |
126 |
|
filter(stdin, "standard input"); |
127 |
|
quit(0); |
128 |
+ |
return 0; /* pro forma return */ |
129 |
|
} |
130 |
|
|
160 |
– |
static void |
161 |
– |
killpersist(void) /* kill persistent rtrace process */ |
162 |
– |
{ |
163 |
– |
FILE *fp = fopen(persistfn, "r"); |
164 |
– |
int pid; |
131 |
|
|
166 |
– |
if (fp == NULL) |
167 |
– |
return; |
168 |
– |
if (fscanf(fp, "%*s %d", &pid) != 1 || kill(pid, SIGALRM) < 0) |
169 |
– |
unlink(persistfn); |
170 |
– |
fclose(fp); |
171 |
– |
} |
172 |
– |
|
132 |
|
void |
133 |
< |
quit(int status) /* exit with status */ |
133 |
> |
init(char *octnm, int np) /* start rendering process(es) */ |
134 |
|
{ |
176 |
– |
struct rtproc *rtp; |
177 |
– |
int rtstat; |
178 |
– |
|
179 |
– |
if (rt0.next != NULL) /* terminate persistent rtrace */ |
180 |
– |
killpersist(); |
181 |
– |
/* clean up rtrace process(es) */ |
182 |
– |
for (rtp = &rt0; rtp != NULL; rtp = rtp->next) { |
183 |
– |
rtstat = close_process(&rtp->pd); |
184 |
– |
if (status == 0) { |
185 |
– |
if (rtstat < 0) |
186 |
– |
error(WARNING, |
187 |
– |
"unknown return status from rtrace process"); |
188 |
– |
else |
189 |
– |
status = rtstat; |
190 |
– |
} |
191 |
– |
} |
192 |
– |
exit(status); |
193 |
– |
} |
194 |
– |
|
195 |
– |
void |
196 |
– |
init(int np) /* start rtrace and set up buffers */ |
197 |
– |
{ |
198 |
– |
struct rtproc *rtp; |
199 |
– |
int i; |
200 |
– |
int maxbytes; |
201 |
– |
/* set up object functions */ |
202 |
– |
ofun[OBJ_FACE].funp = o_face; |
203 |
– |
ofun[OBJ_SPHERE].funp = o_sphere; |
204 |
– |
ofun[OBJ_RING].funp = o_ring; |
135 |
|
/* set up signal handling */ |
136 |
< |
#ifdef SIGPIPE /* not present on Windows */ |
136 |
> |
signal(SIGINT, quit); |
137 |
> |
#ifdef SIGHUP |
138 |
> |
signal(SIGHUP, quit); |
139 |
> |
#endif |
140 |
> |
#ifdef SIGTERM |
141 |
> |
signal(SIGTERM, quit); |
142 |
> |
#endif |
143 |
> |
#ifdef SIGPIPE |
144 |
|
signal(SIGPIPE, quit); |
145 |
|
#endif |
146 |
< |
rtp = &rt0; /* start rtrace process(es) */ |
147 |
< |
for (i = 0; i++ < np; ) { |
211 |
< |
errno = 0; |
212 |
< |
maxbytes = open_process(&rtp->pd, rtargv); |
213 |
< |
if (maxbytes == 0) { |
214 |
< |
eputs(rtargv[0]); |
215 |
< |
eputs(": command not found\n"); |
216 |
< |
exit(1); |
217 |
< |
} |
218 |
< |
if (maxbytes < 0) |
219 |
< |
error(SYSTEM, "cannot start rtrace process"); |
220 |
< |
if (!i && np > 1) |
221 |
< |
sleep(2); /* wait for persist file */ |
222 |
< |
rtp->bsiz = maxbytes/(6*sizeof(float)); |
223 |
< |
rtp->buf = (float *)malloc(6*sizeof(float)*rtp->bsiz--); |
224 |
< |
rtp->dest = (float **)calloc(rtp->bsiz, sizeof(float *)); |
225 |
< |
if (rtp->buf == NULL || rtp->dest == NULL) |
226 |
< |
error(SYSTEM, "out of memory in init"); |
227 |
< |
rtp->nrays = 0; |
228 |
< |
if (i == np) /* last process? */ |
229 |
< |
break; |
230 |
< |
rtp->next = (struct rtproc *)malloc(sizeof(struct rtproc)); |
231 |
< |
if (rtp->next == NULL) |
232 |
< |
error(SYSTEM, "out of memory in init"); |
233 |
< |
rtp = rtp->next; |
234 |
< |
} |
235 |
< |
rtp->next = NULL; |
236 |
< |
/* set up urand */ |
237 |
< |
initurand(16384); |
146 |
> |
/* start rendering process(es) */ |
147 |
> |
ray_pinit(octnm, np); |
148 |
|
} |
149 |
|
|
150 |
|
|
175 |
|
|
176 |
|
|
177 |
|
void |
178 |
+ |
quit(ec) /* make sure exit is called */ |
179 |
+ |
int ec; |
180 |
+ |
{ |
181 |
+ |
if (ray_pnprocs > 0) /* close children if any */ |
182 |
+ |
ray_pclose(0); |
183 |
+ |
exit(ec); |
184 |
+ |
} |
185 |
+ |
|
186 |
+ |
|
187 |
+ |
void |
188 |
|
filter( /* process stream */ |
189 |
|
register FILE *infp, |
190 |
|
char *name |
226 |
|
{ |
227 |
|
extern FILE *freopen(); |
228 |
|
char buf[64]; |
229 |
+ |
int negax; |
230 |
|
int nerrs = 0; |
231 |
|
register char *cp; |
232 |
|
|
306 |
|
} |
307 |
|
cp = sskip(cp); |
308 |
|
continue; |
309 |
< |
case 'd': /* point sample density */ |
309 |
> |
case 'd': /* sample density / BSDF data */ |
310 |
|
if (*++cp != '=') |
311 |
|
break; |
312 |
< |
if (!isintd(++cp, " \t\n\r")) |
313 |
< |
break; |
314 |
< |
thisillum.sampdens = atoi(cp); |
312 |
> |
if (thisillum.sd != NULL) { |
313 |
> |
free_BSDF(thisillum.sd); |
314 |
> |
thisillum.sd = NULL; |
315 |
> |
} |
316 |
> |
if (!*++cp || isspace(*cp)) |
317 |
> |
continue; |
318 |
> |
if (isintd(cp, " \t\n\r")) { |
319 |
> |
thisillum.sampdens = atoi(cp); |
320 |
> |
} else { |
321 |
> |
atos(buf, sizeof(buf), cp); |
322 |
> |
thisillum.sd = load_BSDF(buf); |
323 |
> |
if (thisillum.sd == NULL) |
324 |
> |
break; |
325 |
> |
} |
326 |
|
cp = sskip(cp); |
327 |
|
continue; |
328 |
< |
case 's': /* point super-samples */ |
328 |
> |
case 's': /* surface super-samples */ |
329 |
|
if (*++cp != '=') |
330 |
|
break; |
331 |
|
if (!isintd(++cp, " \t\n\r")) |
367 |
|
} |
368 |
|
doneheader = 0; |
369 |
|
continue; |
370 |
+ |
case 'u': /* up direction */ |
371 |
+ |
if (*++cp != '=') |
372 |
+ |
break; |
373 |
+ |
if (!*++cp || isspace(*cp)) { |
374 |
+ |
thisillum.udir = UDunknown; |
375 |
+ |
continue; |
376 |
+ |
} |
377 |
+ |
negax = 0; |
378 |
+ |
if (*cp == '+') |
379 |
+ |
cp++; |
380 |
+ |
else if (*cp == '-') { |
381 |
+ |
negax++; |
382 |
+ |
cp++; |
383 |
+ |
} |
384 |
+ |
switch (*cp++) { |
385 |
+ |
case 'x': |
386 |
+ |
case 'X': |
387 |
+ |
thisillum.udir = negax ? UDxneg : UDxpos; |
388 |
+ |
break; |
389 |
+ |
case 'y': |
390 |
+ |
case 'Y': |
391 |
+ |
thisillum.udir = negax ? UDyneg : UDypos; |
392 |
+ |
break; |
393 |
+ |
case 'z': |
394 |
+ |
case 'Z': |
395 |
+ |
thisillum.udir = negax ? UDzneg : UDzpos; |
396 |
+ |
break; |
397 |
+ |
default: |
398 |
+ |
thisillum.udir = UDunknown; |
399 |
+ |
break; |
400 |
+ |
} |
401 |
+ |
if (thisillum.udir == UDunknown || !isspace(*cp)) |
402 |
+ |
break; |
403 |
+ |
continue; |
404 |
+ |
case 't': /* object thickness */ |
405 |
+ |
if (*++cp != '=') |
406 |
+ |
break; |
407 |
+ |
if (!isfltd(++cp, " \t\n\r")) |
408 |
+ |
break; |
409 |
+ |
thisillum.thick = atof(cp); |
410 |
+ |
if (thisillum.thick < .0) |
411 |
+ |
thisillum.thick = .0; |
412 |
+ |
cp = sskip(cp); |
413 |
+ |
continue; |
414 |
|
case '!': /* processed file! */ |
415 |
|
sprintf(errmsg, "(%s): already processed!", nm); |
416 |
|
error(WARNING, errmsg); |
453 |
|
printf("l+\t\t\t\t# light type on\n"); |
454 |
|
else |
455 |
|
printf("l-\t\t\t\t# light type off\n"); |
456 |
< |
printf("d=%d\t\t\t\t# density of points\n", thisillum.sampdens); |
457 |
< |
printf("s=%d\t\t\t\t# samples per point\n", thisillum.nsamps); |
456 |
> |
printf("d=%d\t\t\t\t# density of directions\n", thisillum.sampdens); |
457 |
> |
printf("s=%d\t\t\t\t# samples per direction\n", thisillum.nsamps); |
458 |
|
printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
459 |
+ |
switch (thisillum.udir) { |
460 |
+ |
case UDzneg: |
461 |
+ |
fputs("u=-Z\t\t\t\t# up is negative Z\n", stdout); |
462 |
+ |
break; |
463 |
+ |
case UDyneg: |
464 |
+ |
fputs("u=-Y\t\t\t\t# up is negative Y\n", stdout); |
465 |
+ |
break; |
466 |
+ |
case UDxneg: |
467 |
+ |
fputs("u=-X\t\t\t\t# up is negative X\n", stdout); |
468 |
+ |
break; |
469 |
+ |
case UDxpos: |
470 |
+ |
fputs("u=+X\t\t\t\t# up is positive X\n", stdout); |
471 |
+ |
break; |
472 |
+ |
case UDypos: |
473 |
+ |
fputs("u=+Y\t\t\t\t# up is positive Y\n", stdout); |
474 |
+ |
break; |
475 |
+ |
case UDzpos: |
476 |
+ |
fputs("u=+Z\t\t\t\t# up is positive Z\n", stdout); |
477 |
+ |
break; |
478 |
+ |
case UDunknown: |
479 |
+ |
break; |
480 |
+ |
} |
481 |
+ |
printf("t=%f\t\t\t# object thickness\n", thisillum.thick); |
482 |
|
} |
483 |
|
|
484 |
|
|
552 |
|
checkhead(); |
553 |
|
/* process object */ |
554 |
|
if (doit) |
555 |
< |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt0, nm); |
555 |
> |
switch (thisobj.otype) { |
556 |
> |
case OBJ_FACE: |
557 |
> |
my_face(&thisobj, &thisillum, nm); |
558 |
> |
break; |
559 |
> |
case OBJ_SPHERE: |
560 |
> |
my_sphere(&thisobj, &thisillum, nm); |
561 |
> |
break; |
562 |
> |
case OBJ_RING: |
563 |
> |
my_ring(&thisobj, &thisillum, nm); |
564 |
> |
break; |
565 |
> |
default: |
566 |
> |
my_default(&thisobj, &thisillum, nm); |
567 |
> |
break; |
568 |
> |
} |
569 |
|
else |
570 |
|
printobj(thisillum.altmat, &thisobj); |
571 |
|
/* free arguments */ |
572 |
|
freefargs(&thisobj.oargs); |
573 |
|
return; |
574 |
|
readerr: |
575 |
< |
sprintf(errmsg, "(%s): error reading scene", nm); |
575 |
> |
sprintf(errmsg, "(%s): error reading input", nm); |
576 |
|
error(USER, errmsg); |
577 |
|
} |