18 |
|
#endif |
19 |
|
|
20 |
|
#include <signal.h> |
21 |
– |
#include <fcntl.h> |
21 |
|
|
22 |
|
#include "view.h" |
23 |
|
|
25 |
|
|
26 |
|
#include "random.h" |
27 |
|
|
28 |
+ |
#include "paths.h" |
29 |
+ |
|
30 |
+ |
#define RFTEMPLATE "rfXXXXXX" |
31 |
+ |
|
32 |
+ |
#ifndef SIGCONT |
33 |
+ |
#define SIGCONT SIGIO |
34 |
+ |
#endif |
35 |
+ |
|
36 |
|
int dimlist[MAXDIM]; /* sampling dimensions */ |
37 |
|
int ndims = 0; /* number of sampling dimensions */ |
38 |
|
int samplendx; /* sample index number */ |
40 |
|
VIEW ourview = STDVIEW; /* view parameters */ |
41 |
|
int hresolu = 512; /* horizontal resolution */ |
42 |
|
int vresolu = 512; /* vertical resolution */ |
43 |
< |
double pixaspect = 1.0; /* pixel aspect ratio */ |
43 |
> |
double pixaspect = 1.0; /* pixel aspect ratio */ |
44 |
|
|
45 |
|
int psample = 4; /* pixel sample size */ |
46 |
< |
double maxdiff = .05; /* max. difference for interpolation */ |
47 |
< |
double dstrpix = 0.67; /* square pixel distribution */ |
46 |
> |
double maxdiff = .05; /* max. difference for interpolation */ |
47 |
> |
double dstrpix = 0.67; /* square pixel distribution */ |
48 |
|
|
49 |
< |
double dstrsrc = 0.0; /* square source distribution */ |
50 |
< |
double shadthresh = .05; /* shadow threshold */ |
51 |
< |
double shadcert = .5; /* shadow certainty */ |
49 |
> |
double dstrsrc = 0.0; /* square source distribution */ |
50 |
> |
double shadthresh = .05; /* shadow threshold */ |
51 |
> |
double shadcert = .5; /* shadow certainty */ |
52 |
|
int directrelay = 1; /* number of source relays */ |
53 |
|
int vspretest = 512; /* virtual source pretest density */ |
54 |
< |
int directinvis = 0; /* sources invisible? */ |
55 |
< |
double srcsizerat = .25; /* maximum ratio source size/dist. */ |
54 |
> |
int directvis = 1; /* sources visible? */ |
55 |
> |
double srcsizerat = .25; /* maximum ratio source size/dist. */ |
56 |
|
|
57 |
< |
double specthresh = .15; /* specular sampling threshold */ |
58 |
< |
double specjitter = 1.; /* specular sampling jitter */ |
57 |
> |
double specthresh = .15; /* specular sampling threshold */ |
58 |
> |
double specjitter = 1.; /* specular sampling jitter */ |
59 |
|
|
60 |
|
int maxdepth = 6; /* maximum recursion depth */ |
61 |
< |
double minweight = 5e-3; /* minimum ray weight */ |
61 |
> |
double minweight = 5e-3; /* minimum ray weight */ |
62 |
|
|
63 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
64 |
< |
double ambacc = 0.2; /* ambient accuracy */ |
64 |
> |
double ambacc = 0.2; /* ambient accuracy */ |
65 |
|
int ambres = 32; /* ambient resolution */ |
66 |
|
int ambdiv = 128; /* ambient divisions */ |
67 |
|
int ambssamp = 0; /* ambient super-samples */ |
69 |
|
char *amblist[128]; /* ambient include/exclude list */ |
70 |
|
int ambincl = -1; /* include == 1, exclude == 0 */ |
71 |
|
|
72 |
+ |
#ifdef MSDOS |
73 |
+ |
int ralrm = 60; /* seconds between reports */ |
74 |
+ |
#else |
75 |
|
int ralrm = 0; /* seconds between reports */ |
76 |
+ |
#endif |
77 |
|
|
78 |
< |
double pctdone = 0.0; /* percentage done */ |
78 |
> |
double pctdone = 0.0; /* percentage done */ |
79 |
|
|
80 |
|
long tlastrept = 0L; /* time at last report */ |
81 |
|
|
82 |
|
extern long time(); |
83 |
|
extern long tstart; /* starting time */ |
84 |
|
|
85 |
< |
extern long nrays; /* number of rays traced */ |
85 |
> |
extern unsigned long nrays; /* number of rays traced */ |
86 |
|
|
87 |
< |
#define MAXDIV 16 /* maximum sample size */ |
87 |
> |
#define MAXDIV 16 /* maximum sample size */ |
88 |
|
|
89 |
< |
#define pixjitter() (.5+dstrpix*(.5-frandom())) |
89 |
> |
#define pixjitter() (.5+dstrpix*(.5-frandom())) |
90 |
|
|
80 |
– |
#define HFTEMPLATE "/tmp/hfXXXXXX" |
81 |
– |
|
82 |
– |
static char *hfname = NULL; /* header file name */ |
83 |
– |
static FILE *hfp = NULL; /* header file pointer */ |
84 |
– |
|
91 |
|
static int hres, vres; /* resolution for this frame */ |
92 |
|
|
93 |
|
extern char *mktemp(); |
94 |
|
|
95 |
< |
double pixvalue(); |
95 |
> |
double pixvalue(); |
96 |
|
|
97 |
|
|
98 |
|
quit(code) /* quit program */ |
100 |
|
{ |
101 |
|
if (code) /* report status */ |
102 |
|
report(); |
103 |
< |
if (hfname != NULL) { /* delete header file */ |
104 |
< |
if (hfp != NULL) |
99 |
< |
fclose(hfp); |
100 |
< |
unlink(hfname); |
101 |
< |
} |
103 |
> |
headclean(); /* delete header file */ |
104 |
> |
pfclean(); /* clean up persist files */ |
105 |
|
exit(code); |
106 |
|
} |
107 |
|
|
110 |
|
report() /* report progress */ |
111 |
|
{ |
112 |
|
struct rusage rubuf; |
113 |
< |
double t; |
113 |
> |
double t; |
114 |
|
|
115 |
|
getrusage(RUSAGE_SELF, &rubuf); |
116 |
|
t = (rubuf.ru_utime.tv_usec + rubuf.ru_stime.tv_usec) / 1e6; |
119 |
|
t += (rubuf.ru_utime.tv_usec + rubuf.ru_stime.tv_usec) / 1e6; |
120 |
|
t += rubuf.ru_utime.tv_sec + rubuf.ru_stime.tv_sec; |
121 |
|
|
122 |
< |
sprintf(errmsg, "%ld rays, %4.2f%% done after %5.4f CPU hours\n", |
122 |
> |
sprintf(errmsg, "%lu rays, %4.2f%% done after %5.4f CPU hours\n", |
123 |
|
nrays, pctdone, t/3600.0); |
124 |
|
eputs(errmsg); |
125 |
|
tlastrept = time((long *)0); |
128 |
|
report() /* report progress */ |
129 |
|
{ |
130 |
|
tlastrept = time((long *)0); |
131 |
< |
sprintf(errmsg, "%ld rays, %4.2f%% done after %5.4f hours\n", |
131 |
> |
sprintf(errmsg, "%lu rays, %4.2f%% done after %5.4f hours\n", |
132 |
|
nrays, pctdone, (tlastrept-tstart)/3600.0); |
133 |
|
eputs(errmsg); |
134 |
< |
signal(SIGALRM, report); |
134 |
> |
signal(SIGCONT, report); |
135 |
|
} |
136 |
|
#endif |
137 |
|
|
138 |
|
|
136 |
– |
openheader() /* save standard output to header file */ |
137 |
– |
{ |
138 |
– |
hfname = mktemp(HFTEMPLATE); |
139 |
– |
if (freopen(hfname, "w", stdout) == NULL) { |
140 |
– |
sprintf(errmsg, "cannot open header file \"%s\"", hfname); |
141 |
– |
error(SYSTEM, errmsg); |
142 |
– |
} |
143 |
– |
} |
144 |
– |
|
145 |
– |
|
146 |
– |
closeheader() /* done with header output */ |
147 |
– |
{ |
148 |
– |
if (hfname == NULL) |
149 |
– |
return; |
150 |
– |
if (fflush(stdout) == EOF || (hfp = fopen(hfname, "r")) == NULL) |
151 |
– |
error(SYSTEM, "error reopening header file"); |
152 |
– |
} |
153 |
– |
|
154 |
– |
|
155 |
– |
dupheader() /* repeat header on standard output */ |
156 |
– |
{ |
157 |
– |
register int c; |
158 |
– |
|
159 |
– |
if (fseek(hfp, 0L, 0) < 0) |
160 |
– |
error(SYSTEM, "seek error on header file"); |
161 |
– |
while ((c = getc(hfp)) != EOF) |
162 |
– |
putchar(c); |
163 |
– |
} |
164 |
– |
|
165 |
– |
|
139 |
|
rpict(seq, pout, zout, prvr) /* generate image(s) */ |
140 |
|
int seq; |
141 |
|
char *pout, *zout, *prvr; |
151 |
|
* sequenced file naming. |
152 |
|
*/ |
153 |
|
{ |
154 |
< |
extern char *rindex(), *strncpy(), *strcat(); |
155 |
< |
char fbuf[128], fbuf2[128], *zf; |
156 |
< |
RESOLU rs; |
157 |
< |
double pa; |
158 |
< |
/* finished writing header */ |
186 |
< |
closeheader(); |
154 |
> |
extern char *rindex(), *strncpy(), *strcat(), *strcpy(); |
155 |
> |
char fbuf[128], fbuf2[128]; |
156 |
> |
register char *cp; |
157 |
> |
RESOLU rs; |
158 |
> |
double pa; |
159 |
|
/* check sampling */ |
160 |
|
if (psample < 1) |
161 |
|
psample = 1; |
169 |
|
if (seq <= 0) |
170 |
|
seq = 0; |
171 |
|
else if (prvr != NULL && isint(prvr)) { |
172 |
< |
int rn; /* skip to specified view */ |
172 |
> |
register int rn; /* skip to specified view */ |
173 |
|
if ((rn = atoi(prvr)) < seq) |
174 |
|
error(USER, "recover frame less than start frame"); |
175 |
|
if (pout == NULL) |
179 |
|
error(USER, "unexpected EOF on view input"); |
180 |
|
prvr = fbuf; /* mark for renaming */ |
181 |
|
} |
182 |
< |
if (pout != NULL) { |
182 |
> |
if (pout != NULL & prvr != NULL) { |
183 |
|
sprintf(fbuf, pout, seq); |
184 |
< |
if (!strcmp(prvr, fbuf)) { /* rename recover file */ |
185 |
< |
fbuf2[0] = '\0'; |
186 |
< |
if ((prvr = rindex(fbuf, '/')) != NULL) |
187 |
< |
strncpy(fbuf2, fbuf, prvr-fbuf+1); |
188 |
< |
strcat(fbuf2, "rfXXXXXX"); |
184 |
> |
if (!strcmp(prvr, fbuf)) { /* rename */ |
185 |
> |
strcpy(fbuf2, fbuf); |
186 |
> |
for (cp = fbuf2; *cp; cp++) |
187 |
> |
; |
188 |
> |
while (cp > fbuf2 && !ISDIRSEP(cp[-1])) |
189 |
> |
cp--; |
190 |
> |
strcpy(cp, RFTEMPLATE); |
191 |
|
prvr = mktemp(fbuf2); |
192 |
|
if (rename(fbuf, prvr) < 0 && errno != ENOENT) { |
193 |
|
sprintf(errmsg, |
208 |
|
"cannot open output file \"%s\"", fbuf); |
209 |
|
error(SYSTEM, errmsg); |
210 |
|
} |
211 |
+ |
#ifdef MSDOS |
212 |
+ |
setmode(fileno(stdout), O_BINARY); |
213 |
+ |
#endif |
214 |
|
dupheader(); |
215 |
|
} |
216 |
|
hres = hresolu; vres = vresolu; pa = pixaspect; |
221 |
|
"cannot recover view parameters from \"%s\"", prvr); |
222 |
|
error(WARNING, errmsg); |
223 |
|
} else { |
247 |
– |
char *err; |
248 |
– |
if ((err = setview(&ourview)) != NULL) |
249 |
– |
error(USER, err); |
224 |
|
pa = 0.0; |
225 |
|
hres = scanlen(&rs); |
226 |
|
vres = numscans(&rs); |
227 |
|
} |
228 |
+ |
if ((cp = setview(&ourview)) != NULL) |
229 |
+ |
error(USER, cp); |
230 |
|
normaspect(viewaspect(&ourview), &pa, &hres, &vres); |
231 |
|
if (seq) { |
232 |
|
if (ralrm > 0) { |
233 |
< |
sprintf(errmsg, "starting frame %d\n", seq); |
234 |
< |
eputs(errmsg); |
233 |
> |
fprintf(stderr, "FRAME %d:", seq); |
234 |
> |
fprintview(&ourview, stderr); |
235 |
> |
putc('\n', stderr); |
236 |
> |
fflush(stderr); |
237 |
|
} |
238 |
|
printf("FRAME=%d\n", seq); |
239 |
|
} |
245 |
|
fputformat(COLRFMT, stdout); |
246 |
|
putchar('\n'); |
247 |
|
if (zout != NULL) |
248 |
< |
sprintf(zf=fbuf, zout, seq); |
248 |
> |
sprintf(cp=fbuf, zout, seq); |
249 |
|
else |
250 |
< |
zf = NULL; |
251 |
< |
render(zf, prvr); |
250 |
> |
cp = NULL; |
251 |
> |
render(cp, prvr); |
252 |
|
prvr = NULL; |
253 |
|
} while (seq++); |
254 |
|
} |
257 |
|
nextview(fp) /* get next view from fp */ |
258 |
|
FILE *fp; |
259 |
|
{ |
260 |
< |
char linebuf[256], *err; |
260 |
> |
char linebuf[256]; |
261 |
|
|
262 |
|
while (fgets(linebuf, sizeof(linebuf), fp) != NULL) |
263 |
< |
if (isview(linebuf) && sscanview(&ourview, linebuf) > 0) { |
286 |
< |
if ((err = setview(&ourview)) != NULL) |
287 |
< |
error(USER, err); |
263 |
> |
if (isview(linebuf) && sscanview(&ourview, linebuf) > 0) |
264 |
|
return(0); |
289 |
– |
} |
265 |
|
return(EOF); |
266 |
|
} |
267 |
|
|
302 |
|
sprintf(errmsg, "cannot open z file \"%s\"", zfile); |
303 |
|
error(SYSTEM, errmsg); |
304 |
|
} |
305 |
+ |
#ifdef MSDOS |
306 |
+ |
setmode(zfd, O_BINARY); |
307 |
+ |
#endif |
308 |
|
for (i = 0; i <= psample; i++) { |
309 |
|
zbar[i] = (float *)malloc(hres*sizeof(float)); |
310 |
|
if (zbar[i] == NULL) |
325 |
|
pctdone = 100.0*i/vres; |
326 |
|
if (ralrm > 0) /* report init stats */ |
327 |
|
report(); |
328 |
< |
#ifndef BSD |
328 |
> |
#ifndef BSD |
329 |
|
else |
330 |
|
#endif |
331 |
< |
signal(SIGALRM, report); |
331 |
> |
signal(SIGCONT, report); |
332 |
|
ypos = vres-1 - i; |
333 |
|
fillscanline(scanbar[0], zbar[0], sampdens, hres, ypos, hstep); |
334 |
|
/* compute scanlines */ |
350 |
|
/* fill bar */ |
351 |
|
fillscanbar(scanbar, zbar, hres, ypos, ystep); |
352 |
|
/* write it out */ |
353 |
< |
#ifndef BSD |
354 |
< |
signal(SIGALRM, SIG_IGN); /* don't interrupt writes */ |
353 |
> |
#ifndef BSD |
354 |
> |
signal(SIGCONT, SIG_IGN); /* don't interrupt writes */ |
355 |
|
#endif |
356 |
|
for (i = ystep; i > 0; i--) { |
357 |
|
if (zfd != -1 && write(zfd, (char *)zbar[i], |
367 |
|
pctdone = 100.0*(vres-1-ypos)/vres; |
368 |
|
if (ralrm > 0 && time((long *)0) >= tlastrept+ralrm) |
369 |
|
report(); |
370 |
< |
#ifndef BSD |
370 |
> |
#ifndef BSD |
371 |
|
else |
372 |
< |
signal(SIGALRM, report); |
372 |
> |
signal(SIGCONT, report); |
373 |
|
#endif |
374 |
|
} |
375 |
|
/* clean up */ |
376 |
< |
signal(SIGALRM, SIG_IGN); |
376 |
> |
signal(SIGCONT, SIG_IGN); |
377 |
|
if (zfd != -1) { |
378 |
|
if (write(zfd, (char *)zbar[0], hres*sizeof(float)) |
379 |
|
< hres*sizeof(float)) |
391 |
|
if (sampdens != NULL) |
392 |
|
free(sampdens); |
393 |
|
pctdone = 100.0; |
394 |
+ |
if (ralrm > 0) |
395 |
+ |
report(); |
396 |
+ |
signal(SIGCONT, SIG_DFL); |
397 |
|
return; |
398 |
|
writerr: |
399 |
|
error(SYSTEM, "write error in render"); |
403 |
|
|
404 |
|
|
405 |
|
fillscanline(scanline, zline, sd, xres, y, xstep) /* fill scan at y */ |
406 |
< |
register COLOR *scanline; |
407 |
< |
register float *zline; |
406 |
> |
register COLOR *scanline; |
407 |
> |
register float *zline; |
408 |
|
register char *sd; |
409 |
|
int xres, y, xstep; |
410 |
|
{ |
411 |
|
static int nc = 0; /* number of calls */ |
412 |
|
int bl = xstep, b = xstep; |
413 |
< |
double z; |
413 |
> |
double z; |
414 |
|
register int i; |
415 |
|
|
416 |
|
z = pixvalue(scanline[0], 0, y); |
438 |
|
|
439 |
|
|
440 |
|
fillscanbar(scanbar, zbar, xres, y, ysize) /* fill interior */ |
441 |
< |
register COLOR *scanbar[]; |
442 |
< |
register float *zbar[]; |
441 |
> |
register COLOR *scanbar[]; |
442 |
> |
register float *zbar[]; |
443 |
|
int xres, y, ysize; |
444 |
|
{ |
445 |
|
COLOR vline[MAXDIV+1]; |
469 |
|
|
470 |
|
|
471 |
|
int |
472 |
< |
fillsample(colline, zline, x, y, xlen, ylen, b) /* fill interior points */ |
473 |
< |
register COLOR *colline; |
474 |
< |
register float *zline; |
472 |
> |
fillsample(colline, zline, x, y, xlen, ylen, b) /* fill interior points */ |
473 |
> |
register COLOR *colline; |
474 |
> |
register float *zline; |
475 |
|
int x, y; |
476 |
|
int xlen, ylen; |
477 |
|
int b; |
478 |
|
{ |
479 |
< |
extern double fabs(); |
480 |
< |
double ratio; |
500 |
< |
double z; |
479 |
> |
double ratio; |
480 |
> |
double z; |
481 |
|
COLOR ctmp; |
482 |
|
int ncut; |
483 |
|
register int len; |
563 |
|
error(WARNING, errmsg); |
564 |
|
return(0); |
565 |
|
} |
566 |
+ |
#ifdef MSDOS |
567 |
+ |
setmode(fileno(fp), O_BINARY); |
568 |
+ |
#endif |
569 |
|
/* discard header */ |
570 |
< |
getheader(fp, NULL); |
570 |
> |
getheader(fp, NULL, NULL); |
571 |
|
/* get picture size */ |
572 |
|
if (!fscnresolu(&x, &y, fp)) { |
573 |
|
sprintf(errmsg, "bad recover file \"%s\"", oldfile); |
598 |
|
unlink(oldfile); |
599 |
|
return(y); |
600 |
|
writerr: |
601 |
< |
error(SYSTEM, "write error in salvage"); |
601 |
> |
sprintf(errmsg, "write error during recovery of \"%s\"", oldfile); |
602 |
> |
error(SYSTEM, errmsg); |
603 |
|
} |
604 |
|
|
605 |
|
|