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 rt; /* our rtrace process */ |
35 |
– |
|
26 |
|
struct illum_args thisillum = { /* our illum and default values */ |
27 |
|
0, |
28 |
+ |
UDzpos, |
29 |
+ |
0., |
30 |
|
DFLMAT, |
31 |
|
DFLDAT, |
32 |
|
0, |
33 |
|
VOIDID, |
34 |
|
SAMPDENS, |
35 |
|
NSAMPS, |
36 |
+ |
NULL, |
37 |
|
0., |
38 |
|
}; |
39 |
|
|
40 |
|
char matcheck[MAXSTR]; /* current material to include or exclude */ |
41 |
|
int matselect = S_ALL; /* selection criterion */ |
42 |
|
|
50 |
– |
FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
51 |
– |
|
43 |
|
int gargc; /* global argc */ |
44 |
|
char **gargv; /* global argv */ |
54 |
– |
#define progname gargv[0] |
45 |
|
|
46 |
|
int doneheader = 0; /* printed header yet? */ |
47 |
|
#define checkhead() if (!doneheader++) printhead(gargc,gargv) |
48 |
|
|
49 |
|
int warnings = 1; /* print warnings? */ |
50 |
|
|
51 |
< |
void init(void); |
51 |
> |
void init(char *octnm, int np); |
52 |
|
void filter(register FILE *infp, char *name); |
53 |
|
void xoptions(char *s, char *nm); |
54 |
|
void printopts(void); |
62 |
|
char *argv[] |
63 |
|
) |
64 |
|
{ |
65 |
< |
char *rtpath; |
65 |
> |
int nprocs = 1; |
66 |
|
FILE *fp; |
67 |
+ |
int rval; |
68 |
|
register int i; |
69 |
|
/* set global arguments */ |
70 |
|
gargv = argv; |
71 |
< |
/* set up rtrace command */ |
71 |
> |
progname = gargv[0]; |
72 |
> |
/* set up rendering defaults */ |
73 |
> |
dstrsrc = 0.25; |
74 |
> |
directrelay = 3; |
75 |
> |
directvis = 0; |
76 |
> |
ambounce = 2; |
77 |
> |
/* get options from command line */ |
78 |
|
for (i = 1; i < argc; i++) { |
79 |
< |
if (argv[i][0] == '<' && argv[i][1] == '\0') |
79 |
> |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
80 |
> |
; |
81 |
> |
if (rval < 0) { |
82 |
> |
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
83 |
> |
error(SYSTEM, errmsg); |
84 |
> |
} |
85 |
> |
if (argv[i][0] != '-') |
86 |
|
break; |
87 |
< |
rtargv[rtargc++] = argv[i]; |
88 |
< |
if (argv[i][0] == '-' && argv[i][1] == 'w') |
89 |
< |
switch (argv[i][2]) { |
87 |
< |
case '\0': |
88 |
< |
warnings = !warnings; |
89 |
< |
break; |
90 |
< |
case '+': |
91 |
< |
case 'T': case 't': |
92 |
< |
case 'Y': case 'y': |
93 |
< |
case '1': |
94 |
< |
warnings = 1; |
95 |
< |
break; |
96 |
< |
case '-': |
97 |
< |
case 'F': case 'f': |
98 |
< |
case 'N': case 'n': |
99 |
< |
case '0': |
100 |
< |
warnings = 0; |
101 |
< |
break; |
102 |
< |
} |
103 |
< |
} |
104 |
< |
gargc = i; |
105 |
< |
rtargc--; |
106 |
< |
for (i = 0; myrtopts[i] != NULL; i++) |
107 |
< |
rtargv[rtargc++] = myrtopts[i]; |
108 |
< |
rtargv[rtargc++] = argv[gargc-1]; |
109 |
< |
rtargv[rtargc] = NULL; |
110 |
< |
/* just asking for defaults? */ |
111 |
< |
if (!strcmp(argv[gargc-1], "-defaults")) { |
112 |
< |
printopts(); fflush(stdout); |
113 |
< |
rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
114 |
< |
if (rtpath == NULL) { |
115 |
< |
eputs(rtargv[0]); |
116 |
< |
eputs(": command not found\n"); |
117 |
< |
exit(1); |
87 |
> |
if (!strcmp(argv[i], "-w")) { |
88 |
> |
warnings = 0; |
89 |
> |
continue; |
90 |
|
} |
91 |
< |
execv(rtpath, rtargv); |
92 |
< |
perror(rtpath); |
93 |
< |
exit(1); |
91 |
> |
if (!strcmp(argv[i], "-n")) { |
92 |
> |
nprocs = atoi(argv[++i]); |
93 |
> |
if (nprocs <= 0) |
94 |
> |
error(USER, "illegal number of processes"); |
95 |
> |
continue; |
96 |
> |
} |
97 |
> |
if (!strcmp(argv[i], "-defaults")) { |
98 |
> |
printopts(); |
99 |
> |
print_rdefaults(); |
100 |
> |
quit(0); |
101 |
> |
} |
102 |
> |
rval = getrenderopt(argc-i, argv+i); |
103 |
> |
if (rval < 0) { |
104 |
> |
sprintf(errmsg, "bad render option at '%s'", argv[i]); |
105 |
> |
error(USER, errmsg); |
106 |
> |
} |
107 |
> |
i += rval; |
108 |
|
} |
109 |
< |
if (gargc < 2 || argv[gargc-1][0] == '-') |
109 |
> |
gargc = ++i; |
110 |
> |
/* add "mandatory" render options */ |
111 |
> |
do_irrad = 0; |
112 |
> |
if (gargc > argc || argv[gargc-1][0] == '-') |
113 |
|
error(USER, "missing octree argument"); |
114 |
|
/* else initialize and run our calculation */ |
115 |
< |
init(); |
116 |
< |
if (gargc+1 < argc) |
115 |
> |
init(argv[gargc-1], nprocs); |
116 |
> |
if (gargc < argc) { |
117 |
> |
if (gargc == argc-1 || argv[gargc][0] != '<' || argv[gargc][1]) |
118 |
> |
error(USER, "use '< file1 file2 ..' for multiple inputs"); |
119 |
|
for (i = gargc+1; i < argc; i++) { |
120 |
|
if ((fp = fopen(argv[i], "r")) == NULL) { |
121 |
|
sprintf(errmsg, |
125 |
|
filter(fp, argv[i]); |
126 |
|
fclose(fp); |
127 |
|
} |
128 |
< |
else |
128 |
> |
} else |
129 |
|
filter(stdin, "standard input"); |
130 |
< |
return 0; |
130 |
> |
quit(0); |
131 |
> |
return 0; /* pro forma return */ |
132 |
|
} |
133 |
|
|
134 |
|
|
135 |
|
void |
136 |
< |
quit(status) /* exit with status */ |
145 |
< |
int status; |
136 |
> |
init(char *octnm, int np) /* start rendering process(es) */ |
137 |
|
{ |
147 |
– |
int rtstat; |
148 |
– |
|
149 |
– |
rtstat = close_process(&(rt.pd)); |
150 |
– |
if (status == 0) { |
151 |
– |
if (rtstat < 0) |
152 |
– |
error(WARNING, |
153 |
– |
"unknown return status from rtrace process"); |
154 |
– |
else |
155 |
– |
status = rtstat; |
156 |
– |
} |
157 |
– |
exit(status); |
158 |
– |
} |
159 |
– |
|
160 |
– |
void |
161 |
– |
init(void) /* start rtrace and set up buffers */ |
162 |
– |
{ |
163 |
– |
extern int o_face(), o_sphere(), o_ring(); |
164 |
– |
int maxbytes; |
165 |
– |
/* set up object functions */ |
166 |
– |
ofun[OBJ_FACE].funp = o_face; |
167 |
– |
ofun[OBJ_SPHERE].funp = o_sphere; |
168 |
– |
ofun[OBJ_RING].funp = o_ring; |
138 |
|
/* set up signal handling */ |
139 |
< |
#ifdef SIGPIPE /* not present on Windows */ |
139 |
> |
signal(SIGINT, quit); |
140 |
> |
#ifdef SIGHUP |
141 |
> |
signal(SIGHUP, quit); |
142 |
> |
#endif |
143 |
> |
#ifdef SIGTERM |
144 |
> |
signal(SIGTERM, quit); |
145 |
> |
#endif |
146 |
> |
#ifdef SIGPIPE |
147 |
|
signal(SIGPIPE, quit); |
148 |
|
#endif |
149 |
< |
/* start rtrace process */ |
150 |
< |
errno = 0; |
175 |
< |
maxbytes = open_process(&(rt.pd), rtargv); |
176 |
< |
if (maxbytes == 0) { |
177 |
< |
eputs(rtargv[0]); |
178 |
< |
eputs(": command not found\n"); |
179 |
< |
exit(1); |
180 |
< |
} |
181 |
< |
if (maxbytes < 0) |
182 |
< |
error(SYSTEM, "cannot start rtrace process"); |
183 |
< |
rt.bsiz = maxbytes/(6*sizeof(float)); |
184 |
< |
rt.buf = (float *)malloc(6*sizeof(float)*rt.bsiz--); |
185 |
< |
rt.dest = (float **)malloc(sizeof(float *)*rt.bsiz); |
186 |
< |
if (rt.buf == NULL || rt.dest == NULL) |
187 |
< |
error(SYSTEM, "out of memory in init"); |
188 |
< |
rt.nrays = 0; |
189 |
< |
/* set up urand */ |
190 |
< |
initurand(16384); |
149 |
> |
/* start rendering process(es) */ |
150 |
> |
ray_pinit(octnm, np); |
151 |
|
} |
152 |
|
|
153 |
|
|
219 |
|
{ |
220 |
|
extern FILE *freopen(); |
221 |
|
char buf[64]; |
222 |
+ |
int negax; |
223 |
|
int nerrs = 0; |
224 |
|
register char *cp; |
225 |
|
|
299 |
|
} |
300 |
|
cp = sskip(cp); |
301 |
|
continue; |
302 |
< |
case 'd': /* point sample density */ |
302 |
> |
case 'd': /* sample density / BSDF data */ |
303 |
|
if (*++cp != '=') |
304 |
|
break; |
305 |
< |
if (!isintd(++cp, " \t\n\r")) |
306 |
< |
break; |
307 |
< |
thisillum.sampdens = atoi(cp); |
305 |
> |
if (thisillum.sd != NULL) { |
306 |
> |
free_BSDF(thisillum.sd); |
307 |
> |
thisillum.sd = NULL; |
308 |
> |
} |
309 |
> |
if (!*++cp || isspace(*cp)) |
310 |
> |
continue; |
311 |
> |
if (isintd(++cp, " \t\n\r")) { |
312 |
> |
thisillum.sampdens = atoi(cp); |
313 |
> |
} else { |
314 |
> |
atos(buf, sizeof(buf), cp); |
315 |
> |
thisillum.sd = load_BSDF(buf); |
316 |
> |
if (thisillum.sd == NULL) |
317 |
> |
break; |
318 |
> |
} |
319 |
|
cp = sskip(cp); |
320 |
|
continue; |
321 |
< |
case 's': /* point super-samples */ |
321 |
> |
case 's': /* surface super-samples */ |
322 |
|
if (*++cp != '=') |
323 |
|
break; |
324 |
|
if (!isintd(++cp, " \t\n\r")) |
360 |
|
} |
361 |
|
doneheader = 0; |
362 |
|
continue; |
363 |
+ |
case 'u': /* up direction */ |
364 |
+ |
if (*++cp != '=') |
365 |
+ |
break; |
366 |
+ |
if (!*++cp || isspace(*cp)) { |
367 |
+ |
thisillum.udir = UDunknown; |
368 |
+ |
continue; |
369 |
+ |
} |
370 |
+ |
negax = 0; |
371 |
+ |
if (*cp == '+') |
372 |
+ |
cp++; |
373 |
+ |
else if (*cp == '-') { |
374 |
+ |
negax++; |
375 |
+ |
cp++; |
376 |
+ |
} |
377 |
+ |
switch (*cp++) { |
378 |
+ |
case 'x': |
379 |
+ |
case 'X': |
380 |
+ |
thisillum.udir = negax ? UDxneg : UDxpos; |
381 |
+ |
break; |
382 |
+ |
case 'y': |
383 |
+ |
case 'Y': |
384 |
+ |
thisillum.udir = negax ? UDyneg : UDypos; |
385 |
+ |
break; |
386 |
+ |
case 'z': |
387 |
+ |
case 'Z': |
388 |
+ |
thisillum.udir = negax ? UDxneg : UDxpos; |
389 |
+ |
break; |
390 |
+ |
default: |
391 |
+ |
thisillum.udir = UDunknown; |
392 |
+ |
break; |
393 |
+ |
} |
394 |
+ |
if (thisillum.udir == UDunknown || !isspace(*cp)) |
395 |
+ |
break; |
396 |
+ |
continue; |
397 |
+ |
case 't': /* object thickness */ |
398 |
+ |
if (*++cp != '=') |
399 |
+ |
break; |
400 |
+ |
if (!isfltd(++cp, " \t\n\r")) |
401 |
+ |
break; |
402 |
+ |
thisillum.thick = atof(cp); |
403 |
+ |
if (thisillum.thick < .0) |
404 |
+ |
thisillum.thick = .0; |
405 |
+ |
cp = sskip(cp); |
406 |
+ |
continue; |
407 |
|
case '!': /* processed file! */ |
408 |
|
sprintf(errmsg, "(%s): already processed!", nm); |
409 |
|
error(WARNING, errmsg); |
449 |
|
printf("d=%d\t\t\t\t# density of points\n", thisillum.sampdens); |
450 |
|
printf("s=%d\t\t\t\t# samples per point\n", thisillum.nsamps); |
451 |
|
printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
452 |
+ |
switch (thisillum.udir) { |
453 |
+ |
case UDzneg: |
454 |
+ |
fputs("u=-Z\t\t\t\t# up is negative Z\n", stdout); |
455 |
+ |
break; |
456 |
+ |
case UDyneg: |
457 |
+ |
fputs("u=-Y\t\t\t\t# up is negative Y\n", stdout); |
458 |
+ |
break; |
459 |
+ |
case UDxneg: |
460 |
+ |
fputs("u=-X\t\t\t\t# up is negative X\n", stdout); |
461 |
+ |
break; |
462 |
+ |
case UDxpos: |
463 |
+ |
fputs("u=+X\t\t\t\t# up is positive X\n", stdout); |
464 |
+ |
break; |
465 |
+ |
case UDypos: |
466 |
+ |
fputs("u=+Y\t\t\t\t# up is positive Y\n", stdout); |
467 |
+ |
break; |
468 |
+ |
case UDzpos: |
469 |
+ |
fputs("u=+Z\t\t\t\t# up is positive Z\n", stdout); |
470 |
+ |
break; |
471 |
+ |
case UDunknown: |
472 |
+ |
break; |
473 |
+ |
} |
474 |
+ |
printf("t=%f\t\t\t# object thickness\n", thisillum.thick); |
475 |
|
} |
476 |
|
|
477 |
|
|
545 |
|
checkhead(); |
546 |
|
/* process object */ |
547 |
|
if (doit) |
548 |
< |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt, nm); |
548 |
> |
switch (thisobj.otype) { |
549 |
> |
case OBJ_FACE: |
550 |
> |
my_face(&thisobj, &thisillum, nm); |
551 |
> |
break; |
552 |
> |
case OBJ_SPHERE: |
553 |
> |
my_sphere(&thisobj, &thisillum, nm); |
554 |
> |
break; |
555 |
> |
case OBJ_RING: |
556 |
> |
my_ring(&thisobj, &thisillum, nm); |
557 |
> |
break; |
558 |
> |
default: |
559 |
> |
my_default(&thisobj, &thisillum, nm); |
560 |
> |
break; |
561 |
> |
} |
562 |
|
else |
563 |
|
printobj(thisillum.altmat, &thisobj); |
564 |
|
/* free arguments */ |
565 |
|
freefargs(&thisobj.oargs); |
566 |
|
return; |
567 |
|
readerr: |
568 |
< |
sprintf(errmsg, "(%s): error reading scene", nm); |
568 |
> |
sprintf(errmsg, "(%s): error reading input", nm); |
569 |
|
error(USER, errmsg); |
570 |
|
} |