1 |
greg |
2.1 |
#ifndef lint |
2 |
greg |
2.45 |
static const char RCSid[] = "$Id: rtmain.c,v 2.44 2023/02/06 22:40:21 greg Exp $"; |
3 |
greg |
2.1 |
#endif |
4 |
|
|
/* |
5 |
|
|
* rtmain.c - main for rtrace per-ray calculation program |
6 |
|
|
*/ |
7 |
|
|
|
8 |
greg |
2.2 |
#include "copyright.h" |
9 |
greg |
2.1 |
|
10 |
schorsch |
2.4 |
#include <signal.h> |
11 |
|
|
|
12 |
|
|
#include "platform.h" |
13 |
schorsch |
2.7 |
#include "rtprocess.h" /* getpid() */ |
14 |
schorsch |
2.9 |
#include "resolu.h" |
15 |
greg |
2.1 |
#include "ray.h" |
16 |
|
|
#include "source.h" |
17 |
|
|
#include "ambient.h" |
18 |
|
|
#include "random.h" |
19 |
|
|
#include "paths.h" |
20 |
greg |
2.23 |
#include "pmapray.h" |
21 |
greg |
2.1 |
|
22 |
greg |
2.18 |
extern char *progname; /* global argv[0] */ |
23 |
|
|
|
24 |
|
|
extern char *shm_boundary; /* boundary of shared memory */ |
25 |
|
|
|
26 |
greg |
2.1 |
/* persistent processes define */ |
27 |
|
|
#ifdef F_SETLKW |
28 |
|
|
#define PERSIST 1 /* normal persist */ |
29 |
|
|
#define PARALLEL 2 /* parallel persist */ |
30 |
|
|
#define PCHILD 3 /* child of normal persist */ |
31 |
|
|
#endif |
32 |
|
|
|
33 |
|
|
char *sigerr[NSIG]; /* signal error messages */ |
34 |
|
|
char *errfile = NULL; /* error output file */ |
35 |
|
|
|
36 |
greg |
2.18 |
int nproc = 1; /* number of processes */ |
37 |
|
|
|
38 |
greg |
2.31 |
extern int setrtoutput(void); /* set output values */ |
39 |
greg |
2.32 |
|
40 |
greg |
2.18 |
int inform = 'a'; /* input format */ |
41 |
|
|
int outform = 'a'; /* output format */ |
42 |
|
|
char *outvals = "v"; /* output specification */ |
43 |
greg |
2.1 |
|
44 |
greg |
2.18 |
int hresolu = 0; /* horizontal (scan) size */ |
45 |
|
|
int vresolu = 0; /* vertical resolution */ |
46 |
greg |
2.1 |
|
47 |
greg |
2.33 |
extern int castonly; /* only doing ray-casting? */ |
48 |
greg |
2.32 |
|
49 |
greg |
2.18 |
int imm_irrad = 0; /* compute immediate irradiance? */ |
50 |
|
|
int lim_dist = 0; /* limit distance? */ |
51 |
|
|
|
52 |
|
|
#ifndef MAXMODLIST |
53 |
|
|
#define MAXMODLIST 1024 /* maximum modifiers we'll track */ |
54 |
|
|
#endif |
55 |
greg |
2.1 |
|
56 |
greg |
2.18 |
extern void (*addobjnotify[])(); /* object notification calls */ |
57 |
|
|
extern void tranotify(OBJECT obj); |
58 |
|
|
|
59 |
|
|
char *tralist[MAXMODLIST]; /* list of modifers to trace (or no) */ |
60 |
|
|
int traincl = -1; /* include == 1, exclude == 0 */ |
61 |
greg |
2.1 |
|
62 |
greg |
2.10 |
static int loadflags = ~IO_FILES; /* what to load from octree */ |
63 |
|
|
|
64 |
schorsch |
2.9 |
static void onsig(int signo); |
65 |
|
|
static void sigdie(int signo, char *msg); |
66 |
|
|
static void printdefaults(void); |
67 |
greg |
2.1 |
|
68 |
greg |
2.38 |
#ifdef PERSIST |
69 |
greg |
2.45 |
#define RTRACE_FEATURES "Persist\nParallelPersist\nMultiprocessing\n" \ |
70 |
greg |
2.38 |
"IrradianceCalc\nImmediateIrradiance\nDistanceLimiting\n" \ |
71 |
greg |
2.39 |
"HessianAmbientCache\nAmbientAveraging\n" \ |
72 |
greg |
2.40 |
"AmbientValueSharing\nAdaptiveShadowTesting\n" \ |
73 |
greg |
2.45 |
"InputFormats=a,f,d\nOutputFormats=a,f,d,c\n" \ |
74 |
greg |
2.40 |
"Outputs=o,d,v,V,w,W,l,L,c,p,n,N,s,m,M,r,x,R,X,~\n" |
75 |
greg |
2.38 |
#else |
76 |
|
|
#define RTRACE_FEATURES "IrradianceCalc\nIrradianceCalc\nDistanceLimiting\n" \ |
77 |
greg |
2.39 |
"HessianAmbientCache\nAmbientAveraging\n" \ |
78 |
greg |
2.40 |
"AmbientValueSharing\nAdaptiveShadowTesting\n" \ |
79 |
greg |
2.45 |
"InputFormats=a,f,d\nOutputFormats=a,f,d,c\n" \ |
80 |
greg |
2.40 |
"Outputs=o,d,v,V,w,W,l,L,c,p,n,N,s,m,M,r,x,R,X,~\n" |
81 |
greg |
2.38 |
#endif |
82 |
|
|
|
83 |
greg |
2.1 |
|
84 |
|
|
int |
85 |
schorsch |
2.9 |
main(int argc, char *argv[]) |
86 |
greg |
2.1 |
{ |
87 |
|
|
#define check(ol,al) if (argv[i][ol] || \ |
88 |
|
|
badarg(argc-i-1,argv+i+1,al)) \ |
89 |
|
|
goto badopt |
90 |
schorsch |
2.26 |
#define check_bool(olen,var) switch (argv[i][olen]) { \ |
91 |
greg |
2.1 |
case '\0': var = !var; break; \ |
92 |
|
|
case 'y': case 'Y': case 't': case 'T': \ |
93 |
|
|
case '+': case '1': var = 1; break; \ |
94 |
|
|
case 'n': case 'N': case 'f': case 'F': \ |
95 |
|
|
case '-': case '0': var = 0; break; \ |
96 |
|
|
default: goto badopt; } |
97 |
greg |
2.25 |
extern char *octname; |
98 |
greg |
2.1 |
int persist = 0; |
99 |
greg |
2.18 |
char *octnm = NULL; |
100 |
greg |
2.22 |
char **tralp = NULL; |
101 |
|
|
int duped1 = -1; |
102 |
greg |
2.1 |
int rval; |
103 |
|
|
int i; |
104 |
|
|
/* global program name */ |
105 |
|
|
progname = argv[0] = fixargv0(argv[0]); |
106 |
greg |
2.38 |
/* feature check only? */ |
107 |
|
|
strcat(RFeatureList, RTRACE_FEATURES); |
108 |
greg |
2.43 |
if (argc > 1 && !strcmp(argv[1], "-features")) |
109 |
greg |
2.38 |
return feature_status(argc-2, argv+2); |
110 |
greg |
2.18 |
/* add trace notify function */ |
111 |
|
|
for (i = 0; addobjnotify[i] != NULL; i++) |
112 |
|
|
; |
113 |
|
|
addobjnotify[i] = tranotify; |
114 |
greg |
2.1 |
/* option city */ |
115 |
|
|
for (i = 1; i < argc; i++) { |
116 |
|
|
/* expand arguments */ |
117 |
|
|
while ((rval = expandarg(&argc, &argv, i)) > 0) |
118 |
|
|
; |
119 |
|
|
if (rval < 0) { |
120 |
|
|
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
121 |
|
|
error(SYSTEM, errmsg); |
122 |
|
|
} |
123 |
|
|
if (argv[i] == NULL || argv[i][0] != '-') |
124 |
|
|
break; /* break from options */ |
125 |
|
|
if (!strcmp(argv[i], "-version")) { |
126 |
|
|
puts(VersionID); |
127 |
|
|
quit(0); |
128 |
|
|
} |
129 |
|
|
if (!strcmp(argv[i], "-defaults") || |
130 |
|
|
!strcmp(argv[i], "-help")) { |
131 |
|
|
printdefaults(); |
132 |
|
|
quit(0); |
133 |
|
|
} |
134 |
|
|
rval = getrenderopt(argc-i, argv+i); |
135 |
|
|
if (rval >= 0) { |
136 |
|
|
i += rval; |
137 |
|
|
continue; |
138 |
|
|
} |
139 |
|
|
switch (argv[i][1]) { |
140 |
greg |
2.18 |
case 'n': /* number of cores */ |
141 |
|
|
check(2,"i"); |
142 |
|
|
nproc = atoi(argv[++i]); |
143 |
|
|
if (nproc <= 0) |
144 |
|
|
error(USER, "bad number of processes"); |
145 |
|
|
break; |
146 |
greg |
2.1 |
case 'x': /* x resolution */ |
147 |
|
|
check(2,"i"); |
148 |
|
|
hresolu = atoi(argv[++i]); |
149 |
|
|
break; |
150 |
|
|
case 'y': /* y resolution */ |
151 |
|
|
check(2,"i"); |
152 |
|
|
vresolu = atoi(argv[++i]); |
153 |
|
|
break; |
154 |
|
|
case 'w': /* warnings */ |
155 |
|
|
rval = erract[WARNING].pf != NULL; |
156 |
schorsch |
2.26 |
check_bool(2,rval); |
157 |
greg |
2.1 |
if (rval) erract[WARNING].pf = wputs; |
158 |
|
|
else erract[WARNING].pf = NULL; |
159 |
|
|
break; |
160 |
|
|
case 'e': /* error file */ |
161 |
|
|
check(2,"s"); |
162 |
|
|
errfile = argv[++i]; |
163 |
|
|
break; |
164 |
|
|
case 'l': /* limit distance */ |
165 |
|
|
if (argv[i][2] != 'd') |
166 |
|
|
goto badopt; |
167 |
schorsch |
2.26 |
check_bool(3,lim_dist); |
168 |
greg |
2.1 |
break; |
169 |
|
|
case 'I': /* immed. irradiance */ |
170 |
schorsch |
2.26 |
check_bool(2,imm_irrad); |
171 |
greg |
2.1 |
break; |
172 |
|
|
case 'f': /* format i/o */ |
173 |
|
|
switch (argv[i][2]) { |
174 |
|
|
case 'a': /* ascii */ |
175 |
|
|
case 'f': /* float */ |
176 |
|
|
case 'd': /* double */ |
177 |
|
|
inform = argv[i][2]; |
178 |
|
|
break; |
179 |
|
|
default: |
180 |
|
|
goto badopt; |
181 |
|
|
} |
182 |
|
|
switch (argv[i][3]) { |
183 |
|
|
case '\0': |
184 |
|
|
outform = inform; |
185 |
|
|
break; |
186 |
|
|
case 'a': /* ascii */ |
187 |
|
|
case 'f': /* float */ |
188 |
|
|
case 'd': /* double */ |
189 |
|
|
case 'c': /* color */ |
190 |
|
|
check(4,""); |
191 |
|
|
outform = argv[i][3]; |
192 |
|
|
break; |
193 |
|
|
default: |
194 |
|
|
goto badopt; |
195 |
|
|
} |
196 |
|
|
break; |
197 |
|
|
case 'o': /* output */ |
198 |
|
|
outvals = argv[i]+2; |
199 |
|
|
break; |
200 |
|
|
case 'h': /* header output */ |
201 |
|
|
rval = loadflags & IO_INFO; |
202 |
schorsch |
2.26 |
check_bool(2,rval); |
203 |
greg |
2.1 |
loadflags = rval ? loadflags | IO_INFO : |
204 |
|
|
loadflags & ~IO_INFO; |
205 |
|
|
break; |
206 |
|
|
case 't': /* trace */ |
207 |
|
|
switch (argv[i][2]) { |
208 |
|
|
case 'i': /* include */ |
209 |
|
|
case 'I': |
210 |
|
|
check(3,"s"); |
211 |
|
|
if (traincl != 1) { |
212 |
|
|
traincl = 1; |
213 |
|
|
tralp = tralist; |
214 |
|
|
} |
215 |
|
|
if (argv[i][2] == 'I') { /* file */ |
216 |
greg |
2.27 |
rval = wordfile(tralp, MAXMODLIST-(tralp-tralist), |
217 |
greg |
2.3 |
getpath(argv[++i],getrlibpath(),R_OK)); |
218 |
greg |
2.1 |
if (rval < 0) { |
219 |
|
|
sprintf(errmsg, |
220 |
|
|
"cannot open trace include file \"%s\"", |
221 |
|
|
argv[i]); |
222 |
|
|
error(SYSTEM, errmsg); |
223 |
|
|
} |
224 |
|
|
tralp += rval; |
225 |
|
|
} else { |
226 |
|
|
*tralp++ = argv[++i]; |
227 |
|
|
*tralp = NULL; |
228 |
|
|
} |
229 |
|
|
break; |
230 |
|
|
case 'e': /* exclude */ |
231 |
|
|
case 'E': |
232 |
|
|
check(3,"s"); |
233 |
|
|
if (traincl != 0) { |
234 |
|
|
traincl = 0; |
235 |
|
|
tralp = tralist; |
236 |
|
|
} |
237 |
|
|
if (argv[i][2] == 'E') { /* file */ |
238 |
greg |
2.27 |
rval = wordfile(tralp, MAXMODLIST-(tralp-tralist), |
239 |
greg |
2.3 |
getpath(argv[++i],getrlibpath(),R_OK)); |
240 |
greg |
2.1 |
if (rval < 0) { |
241 |
|
|
sprintf(errmsg, |
242 |
|
|
"cannot open trace exclude file \"%s\"", |
243 |
|
|
argv[i]); |
244 |
|
|
error(SYSTEM, errmsg); |
245 |
|
|
} |
246 |
|
|
tralp += rval; |
247 |
|
|
} else { |
248 |
|
|
*tralp++ = argv[++i]; |
249 |
|
|
*tralp = NULL; |
250 |
|
|
} |
251 |
|
|
break; |
252 |
|
|
default: |
253 |
|
|
goto badopt; |
254 |
|
|
} |
255 |
|
|
break; |
256 |
|
|
#ifdef PERSIST |
257 |
|
|
case 'P': /* persist file */ |
258 |
|
|
if (argv[i][2] == 'P') { |
259 |
|
|
check(3,"s"); |
260 |
|
|
persist = PARALLEL; |
261 |
|
|
} else { |
262 |
|
|
check(2,"s"); |
263 |
|
|
persist = PERSIST; |
264 |
|
|
} |
265 |
|
|
persistfile(argv[++i]); |
266 |
|
|
break; |
267 |
|
|
#endif |
268 |
|
|
default: |
269 |
|
|
goto badopt; |
270 |
|
|
} |
271 |
|
|
} |
272 |
greg |
2.34 |
if (nproc > 1 && persist) |
273 |
|
|
error(USER, "multiprocessing incompatible with persist file"); |
274 |
greg |
2.1 |
/* initialize object types */ |
275 |
|
|
initotypes(); |
276 |
|
|
/* initialize urand */ |
277 |
greg |
2.14 |
if (rand_samp) { |
278 |
|
|
srandom((long)time(0)); |
279 |
|
|
initurand(0); |
280 |
|
|
} else { |
281 |
|
|
srandom(0L); |
282 |
|
|
initurand(2048); |
283 |
|
|
} |
284 |
greg |
2.1 |
/* set up signal handling */ |
285 |
|
|
sigdie(SIGINT, "Interrupt"); |
286 |
schorsch |
2.5 |
#ifdef SIGHUP |
287 |
greg |
2.1 |
sigdie(SIGHUP, "Hangup"); |
288 |
schorsch |
2.5 |
#endif |
289 |
greg |
2.1 |
sigdie(SIGTERM, "Terminate"); |
290 |
schorsch |
2.5 |
#ifdef SIGPIPE |
291 |
greg |
2.1 |
sigdie(SIGPIPE, "Broken pipe"); |
292 |
schorsch |
2.5 |
#endif |
293 |
|
|
#ifdef SIGALRM |
294 |
greg |
2.1 |
sigdie(SIGALRM, "Alarm clock"); |
295 |
schorsch |
2.5 |
#endif |
296 |
greg |
2.1 |
#ifdef SIGXCPU |
297 |
|
|
sigdie(SIGXCPU, "CPU limit exceeded"); |
298 |
|
|
sigdie(SIGXFSZ, "File size exceeded"); |
299 |
|
|
#endif |
300 |
|
|
/* open error file */ |
301 |
|
|
if (errfile != NULL) { |
302 |
|
|
if (freopen(errfile, "a", stderr) == NULL) |
303 |
|
|
quit(2); |
304 |
|
|
fprintf(stderr, "**************\n*** PID %5d: ", |
305 |
|
|
getpid()); |
306 |
|
|
printargs(argc, argv, stderr); |
307 |
|
|
putc('\n', stderr); |
308 |
|
|
fflush(stderr); |
309 |
|
|
} |
310 |
|
|
#ifdef NICE |
311 |
|
|
nice(NICE); /* lower priority */ |
312 |
|
|
#endif |
313 |
|
|
/* get octree */ |
314 |
|
|
if (i == argc) |
315 |
greg |
2.18 |
octnm = NULL; |
316 |
greg |
2.1 |
else if (i == argc-1) |
317 |
greg |
2.18 |
octnm = argv[i]; |
318 |
greg |
2.1 |
else |
319 |
|
|
goto badopt; |
320 |
greg |
2.18 |
if (octnm == NULL) |
321 |
greg |
2.1 |
error(USER, "missing octree argument"); |
322 |
|
|
/* set up output */ |
323 |
|
|
#ifdef PERSIST |
324 |
|
|
if (persist) { |
325 |
|
|
duped1 = dup(fileno(stdout)); /* don't lose our output */ |
326 |
|
|
openheader(); |
327 |
|
|
} |
328 |
|
|
#endif |
329 |
|
|
if (outform != 'a') |
330 |
schorsch |
2.4 |
SET_FILE_BINARY(stdout); |
331 |
greg |
2.31 |
rval = setrtoutput(); |
332 |
greg |
2.41 |
octname = savqstr(octnm); |
333 |
|
|
readoct(octname, loadflags, &thescene, NULL); |
334 |
greg |
2.1 |
nsceneobjs = nobjects; |
335 |
|
|
|
336 |
|
|
if (loadflags & IO_INFO) { /* print header */ |
337 |
|
|
printargs(i, argv, stdout); |
338 |
|
|
printf("SOFTWARE= %s\n", VersionID); |
339 |
|
|
fputnow(stdout); |
340 |
greg |
2.31 |
if (rval > 0) /* saved from setrtoutput() call */ |
341 |
|
|
printf("NCOMP=%d\n", rval); |
342 |
greg |
2.30 |
if ((outform == 'f') | (outform == 'd')) |
343 |
|
|
fputendian(stdout); |
344 |
greg |
2.1 |
fputformat(formstr(outform), stdout); |
345 |
|
|
putchar('\n'); |
346 |
|
|
} |
347 |
|
|
|
348 |
greg |
2.32 |
if (!castonly) { /* any actual ray traversal to do? */ |
349 |
|
|
|
350 |
|
|
ray_init_pmap(); /* PMAP: set up & load photon maps */ |
351 |
|
|
|
352 |
|
|
marksources(); /* find and mark sources */ |
353 |
|
|
|
354 |
|
|
setambient(); /* initialize ambient calculation */ |
355 |
greg |
2.33 |
} else |
356 |
|
|
distantsources(); /* else mark only distant sources */ |
357 |
greg |
2.35 |
|
358 |
greg |
2.36 |
fflush(stdout); /* in case we're duplicating header */ |
359 |
greg |
2.35 |
|
360 |
greg |
2.1 |
#ifdef PERSIST |
361 |
|
|
if (persist) { |
362 |
|
|
/* reconnect stdout */ |
363 |
|
|
dup2(duped1, fileno(stdout)); |
364 |
|
|
close(duped1); |
365 |
|
|
if (persist == PARALLEL) { /* multiprocessing */ |
366 |
|
|
preload_objs(); /* preload scene */ |
367 |
|
|
shm_boundary = (char *)malloc(16); |
368 |
|
|
strcpy(shm_boundary, "SHM_BOUNDARY"); |
369 |
|
|
while ((rval=fork()) == 0) { /* keep on forkin' */ |
370 |
|
|
pflock(1); |
371 |
|
|
pfhold(); |
372 |
greg |
2.15 |
ambsync(); /* load new values */ |
373 |
greg |
2.1 |
} |
374 |
|
|
if (rval < 0) |
375 |
|
|
error(SYSTEM, "cannot fork child for persist function"); |
376 |
greg |
2.15 |
pfdetach(); /* parent will run then exit */ |
377 |
greg |
2.1 |
} |
378 |
|
|
} |
379 |
|
|
runagain: |
380 |
|
|
if (persist) |
381 |
|
|
dupheader(); /* send header to stdout */ |
382 |
|
|
#endif |
383 |
|
|
/* trace rays */ |
384 |
greg |
2.19 |
rtrace(NULL, nproc); |
385 |
greg |
2.1 |
/* flush ambient file */ |
386 |
|
|
ambsync(); |
387 |
|
|
#ifdef PERSIST |
388 |
|
|
if (persist == PERSIST) { /* first run-through */ |
389 |
|
|
if ((rval=fork()) == 0) { /* child loops until killed */ |
390 |
|
|
pflock(1); |
391 |
|
|
persist = PCHILD; |
392 |
|
|
} else { /* original process exits */ |
393 |
|
|
if (rval < 0) |
394 |
|
|
error(SYSTEM, "cannot fork child for persist function"); |
395 |
|
|
pfdetach(); /* parent exits */ |
396 |
|
|
} |
397 |
|
|
} |
398 |
|
|
if (persist == PCHILD) { /* wait for a signal then go again */ |
399 |
|
|
pfhold(); |
400 |
|
|
raynum = nrays = 0; /* reinitialize */ |
401 |
|
|
goto runagain; |
402 |
|
|
} |
403 |
|
|
#endif |
404 |
greg |
2.23 |
|
405 |
|
|
ray_done_pmap(); /* PMAP: free photon maps */ |
406 |
|
|
|
407 |
greg |
2.1 |
quit(0); |
408 |
|
|
|
409 |
|
|
badopt: |
410 |
|
|
sprintf(errmsg, "command line error at '%s'", argv[i]); |
411 |
|
|
error(USER, errmsg); |
412 |
schorsch |
2.9 |
return 1; /* pro forma return */ |
413 |
greg |
2.1 |
|
414 |
|
|
#undef check |
415 |
schorsch |
2.26 |
#undef check_bool |
416 |
greg |
2.1 |
} |
417 |
|
|
|
418 |
|
|
|
419 |
|
|
void |
420 |
schorsch |
2.9 |
wputs( /* warning output function */ |
421 |
greg |
2.44 |
const char *s |
422 |
schorsch |
2.9 |
) |
423 |
greg |
2.1 |
{ |
424 |
|
|
int lasterrno = errno; |
425 |
|
|
eputs(s); |
426 |
|
|
errno = lasterrno; |
427 |
|
|
} |
428 |
|
|
|
429 |
|
|
|
430 |
|
|
void |
431 |
schorsch |
2.9 |
eputs( /* put string to stderr */ |
432 |
greg |
2.44 |
const char *s |
433 |
schorsch |
2.9 |
) |
434 |
greg |
2.1 |
{ |
435 |
|
|
static int midline = 0; |
436 |
|
|
|
437 |
|
|
if (!*s) |
438 |
|
|
return; |
439 |
|
|
if (!midline++) { |
440 |
|
|
fputs(progname, stderr); |
441 |
|
|
fputs(": ", stderr); |
442 |
|
|
} |
443 |
|
|
fputs(s, stderr); |
444 |
|
|
if (s[strlen(s)-1] == '\n') { |
445 |
|
|
fflush(stderr); |
446 |
|
|
midline = 0; |
447 |
|
|
} |
448 |
|
|
} |
449 |
|
|
|
450 |
|
|
|
451 |
schorsch |
2.9 |
static void |
452 |
|
|
onsig( /* fatal signal */ |
453 |
|
|
int signo |
454 |
|
|
) |
455 |
greg |
2.1 |
{ |
456 |
|
|
static int gotsig = 0; |
457 |
|
|
|
458 |
|
|
if (gotsig++) /* two signals and we're gone! */ |
459 |
|
|
_exit(signo); |
460 |
|
|
|
461 |
schorsch |
2.5 |
#ifdef SIGALRM |
462 |
greg |
2.1 |
alarm(15); /* allow 15 seconds to clean up */ |
463 |
|
|
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
464 |
schorsch |
2.5 |
#endif |
465 |
greg |
2.1 |
eputs("signal - "); |
466 |
|
|
eputs(sigerr[signo]); |
467 |
|
|
eputs("\n"); |
468 |
|
|
quit(3); |
469 |
|
|
} |
470 |
|
|
|
471 |
|
|
|
472 |
schorsch |
2.9 |
static void |
473 |
|
|
sigdie( /* set fatal signal */ |
474 |
|
|
int signo, |
475 |
|
|
char *msg |
476 |
|
|
) |
477 |
greg |
2.1 |
{ |
478 |
|
|
if (signal(signo, onsig) == SIG_IGN) |
479 |
|
|
signal(signo, SIG_IGN); |
480 |
|
|
sigerr[signo] = msg; |
481 |
|
|
} |
482 |
|
|
|
483 |
|
|
|
484 |
schorsch |
2.9 |
static void |
485 |
schorsch |
2.8 |
printdefaults(void) /* print default values to stdout */ |
486 |
greg |
2.1 |
{ |
487 |
greg |
2.38 |
char *cp; |
488 |
greg |
2.1 |
|
489 |
|
|
if (imm_irrad) |
490 |
|
|
printf("-I+\t\t\t\t# immediate irradiance on\n"); |
491 |
greg |
2.18 |
printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc); |
492 |
greg |
2.21 |
printf("-x %-9d\t\t\t# %s\n", hresolu, |
493 |
|
|
vresolu && hresolu ? "x resolution" : "flush interval"); |
494 |
greg |
2.16 |
printf("-y %-9d\t\t\t# y resolution\n", vresolu); |
495 |
greg |
2.1 |
printf(lim_dist ? "-ld+\t\t\t\t# limit distance on\n" : |
496 |
|
|
"-ld-\t\t\t\t# limit distance off\n"); |
497 |
greg |
2.10 |
printf("-h%c\t\t\t\t# %s header\n", loadflags & IO_INFO ? '+' : '-', |
498 |
|
|
loadflags & IO_INFO ? "output" : "no"); |
499 |
greg |
2.1 |
printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n", |
500 |
|
|
inform, outform, formstr(inform), formstr(outform)); |
501 |
greg |
2.10 |
printf("-o%-9s\t\t\t# output", outvals); |
502 |
greg |
2.1 |
for (cp = outvals; *cp; cp++) |
503 |
|
|
switch (*cp) { |
504 |
greg |
2.10 |
case 't': case 'T': printf(" trace"); break; |
505 |
greg |
2.1 |
case 'o': printf(" origin"); break; |
506 |
|
|
case 'd': printf(" direction"); break; |
507 |
greg |
2.28 |
case 'r': printf(" reflect_contrib"); break; |
508 |
|
|
case 'R': printf(" reflect_length"); break; |
509 |
|
|
case 'x': printf(" unreflect_contrib"); break; |
510 |
|
|
case 'X': printf(" unreflect_length"); break; |
511 |
greg |
2.1 |
case 'v': printf(" value"); break; |
512 |
greg |
2.13 |
case 'V': printf(" contribution"); break; |
513 |
greg |
2.1 |
case 'l': printf(" length"); break; |
514 |
|
|
case 'L': printf(" first_length"); break; |
515 |
|
|
case 'p': printf(" point"); break; |
516 |
|
|
case 'n': printf(" normal"); break; |
517 |
|
|
case 'N': printf(" unperturbed_normal"); break; |
518 |
|
|
case 's': printf(" surface"); break; |
519 |
|
|
case 'w': printf(" weight"); break; |
520 |
greg |
2.13 |
case 'W': printf(" coefficient"); break; |
521 |
greg |
2.1 |
case 'm': printf(" modifier"); break; |
522 |
greg |
2.10 |
case 'M': printf(" material"); break; |
523 |
greg |
2.37 |
case '~': printf(" tilde"); break; |
524 |
greg |
2.1 |
} |
525 |
|
|
putchar('\n'); |
526 |
|
|
printf(erract[WARNING].pf != NULL ? |
527 |
|
|
"-w+\t\t\t\t# warning messages on\n" : |
528 |
|
|
"-w-\t\t\t\t# warning messages off\n"); |
529 |
|
|
print_rdefaults(); |
530 |
|
|
} |