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/* Copyright (c) 1995 Regents of the University of California */ |
2 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
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|
4 |
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/* |
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* rv2.c - command routines used in tracing a view. |
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* |
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* 3/24/87 |
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* External symbols declared in rpaint.h |
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*/ |
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10 |
< |
#include "ray.h" |
10 |
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#include <ctype.h> |
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12 |
< |
#include "octree.h" |
12 |
> |
#include "copyright.h" |
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14 |
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#include "platform.h" |
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#include "ray.h" |
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#include "otypes.h" |
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|
17 |
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#include "rpaint.h" |
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|
19 |
< |
#include "resolu.h" |
19 |
> |
extern int psample; /* pixel sample size */ |
20 |
> |
extern double maxdiff; /* max. sample difference */ |
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|
23 |
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#include <ctype.h> |
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|
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#define CTRL(c) ((c)-'@') |
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|
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#ifdef SMLFLT |
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#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
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#endif |
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33 |
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extern char *atos(); |
34 |
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|
35 |
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extern FILE *popen(); |
36 |
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|
30 |
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extern char rifname[128]; /* rad input file name */ |
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39 |
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extern char VersionID[]; |
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extern char *progname; |
33 |
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extern char *octname; |
34 |
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|
35 |
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|
36 |
+ |
void |
37 |
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getframe(s) /* get a new frame */ |
38 |
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char *s; |
39 |
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{ |
43 |
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} |
44 |
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|
45 |
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|
46 |
+ |
void |
47 |
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getrepaint(s) /* get area and repaint */ |
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char *s; |
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{ |
55 |
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} |
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|
57 |
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|
58 |
+ |
void |
59 |
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getview(s) /* get/show view parameters */ |
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char *s; |
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{ |
160 |
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} |
161 |
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|
162 |
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|
163 |
+ |
void |
164 |
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lastview(s) /* return to a previous view */ |
165 |
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char *s; |
166 |
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{ |
194 |
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} |
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|
196 |
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|
197 |
+ |
void |
198 |
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saveview(s) /* save view to rad file */ |
199 |
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char *s; |
200 |
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{ |
231 |
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} |
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|
233 |
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|
234 |
+ |
void |
235 |
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loadview(s) /* load view from rad file */ |
236 |
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char *s; |
237 |
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{ |
273 |
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} |
274 |
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|
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|
276 |
+ |
void |
277 |
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getaim(s) /* aim camera */ |
278 |
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char *s; |
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{ |
293 |
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} |
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|
295 |
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|
296 |
+ |
void |
297 |
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getmove(s) /* move camera */ |
298 |
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char *s; |
299 |
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{ |
306 |
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} |
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|
308 |
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|
309 |
+ |
void |
310 |
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getrotate(s) /* rotate camera */ |
311 |
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char *s; |
312 |
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{ |
336 |
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} |
337 |
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|
338 |
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|
339 |
+ |
void |
340 |
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getpivot(s) /* pivot viewpoint */ |
341 |
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register char *s; |
342 |
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{ |
354 |
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} |
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|
356 |
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|
357 |
+ |
void |
358 |
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getexposure(s) /* get new exposure */ |
359 |
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char *s; |
360 |
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{ |
420 |
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redraw(); |
421 |
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} |
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|
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typedef union {int i; double d; COLOR C;} *MyUptr; |
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|
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getparam(str, dsc, typ, ptr) /* get variable from user */ |
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int |
426 |
> |
getparam(str, dsc, typ, p) /* get variable from user */ |
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char *str, *dsc; |
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int typ; |
429 |
< |
register union {int i; double d; COLOR C;} *ptr; |
429 |
> |
void *p; |
430 |
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{ |
431 |
< |
extern char *index(); |
431 |
> |
register MyUptr ptr = (MyUptr)p; |
432 |
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int i0; |
433 |
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double d0, d1, d2; |
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char buf[48]; |
486 |
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} |
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|
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|
489 |
+ |
void |
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setparam(s) /* get/set program parameter */ |
491 |
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register char *s; |
492 |
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{ |
487 |
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extern int psample; |
488 |
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extern double maxdiff; |
489 |
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extern double minweight; |
490 |
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extern int maxdepth; |
491 |
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extern double dstrsrc; |
492 |
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extern double shadthresh; |
493 |
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extern double shadcert; |
494 |
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extern COLOR ambval; |
495 |
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extern int ambvwt; |
496 |
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extern double ambacc; |
497 |
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extern int ambres; |
498 |
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extern int ambdiv; |
499 |
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extern int ambssamp; |
500 |
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extern int ambounce; |
501 |
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extern COLOR cextinction; |
502 |
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extern COLOR salbedo; |
503 |
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extern double seccg; |
504 |
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extern double ssampdist; |
505 |
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extern int directvis; |
506 |
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extern double srcsizerat; |
507 |
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extern int do_irrad; |
508 |
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extern double specjitter; |
509 |
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extern double specthresh; |
510 |
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extern int backvis; |
493 |
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char buf[128]; |
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|
495 |
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if (s[0] == '\0') { |
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case 'l': /* limit */ |
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switch (s[1]) { |
504 |
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case 'w': /* weight */ |
505 |
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getparam(s+2, "limit weight", 'r', &minweight); |
505 |
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getparam(s+2, "limit weight", 'r', |
506 |
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(void *)&minweight); |
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break; |
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case 'r': /* reflection */ |
509 |
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getparam(s+2, "limit reflection", 'i', &maxdepth); |
509 |
> |
getparam(s+2, "limit reflection", 'i', |
510 |
> |
(void *)&maxdepth); |
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break; |
512 |
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default: |
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goto badparam; |
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case 'd': /* direct */ |
517 |
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switch (s[1]) { |
518 |
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case 'j': /* jitter */ |
519 |
< |
getparam(s+2, "direct jitter", 'r', &dstrsrc); |
519 |
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getparam(s+2, "direct jitter", 'r', |
520 |
> |
(void *)&dstrsrc); |
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break; |
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case 'c': /* certainty */ |
523 |
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getparam(s+2, "direct certainty", 'r', &shadcert); |
523 |
> |
getparam(s+2, "direct certainty", 'r', |
524 |
> |
(void *)&shadcert); |
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break; |
526 |
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case 't': /* threshold */ |
527 |
< |
getparam(s+2, "direct threshold", 'r', &shadthresh); |
527 |
> |
getparam(s+2, "direct threshold", 'r', |
528 |
> |
(void *)&shadthresh); |
529 |
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break; |
530 |
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case 'v': /* visibility */ |
531 |
< |
getparam(s+2, "direct visibility", |
532 |
< |
'b', &directvis); |
531 |
> |
getparam(s+2, "direct visibility", 'b', |
532 |
> |
(void *)&directvis); |
533 |
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break; |
534 |
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case 's': /* sampling */ |
535 |
< |
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
535 |
> |
getparam(s+2, "direct sampling", 'r', |
536 |
> |
(void *)&srcsizerat); |
537 |
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break; |
538 |
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default: |
539 |
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goto badparam; |
542 |
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case 'b': /* back faces or black and white */ |
543 |
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switch (s[1]) { |
544 |
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case 'v': /* back face visibility */ |
545 |
< |
getparam(s+2, "back face visibility", 'b', &backvis); |
545 |
> |
getparam(s+2, "back face visibility", 'b', |
546 |
> |
(void *)&backvis); |
547 |
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break; |
548 |
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case '\0': /* black and white */ |
549 |
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case ' ': |
550 |
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case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
551 |
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case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
552 |
< |
getparam(s+1, "black and white", 'b', &greyscale); |
552 |
> |
getparam(s+1, "black and white", 'b', |
553 |
> |
(void *)&greyscale); |
554 |
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break; |
555 |
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default: |
556 |
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goto badparam; |
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} |
558 |
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break; |
559 |
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case 'i': /* irradiance */ |
560 |
< |
getparam(s+1, "irradiance", 'b', &do_irrad); |
560 |
> |
getparam(s+1, "irradiance", 'b', |
561 |
> |
(void *)&do_irrad); |
562 |
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break; |
563 |
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case 'a': /* ambient */ |
564 |
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switch (s[1]) { |
565 |
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case 'v': /* value */ |
566 |
< |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
566 |
> |
getparam(s+2, "ambient value", 'C', |
567 |
> |
(void *)ambval); |
568 |
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break; |
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case 'w': /* weight */ |
570 |
< |
getparam(s+2, "ambient value weight", 'i', &ambvwt); |
570 |
> |
getparam(s+2, "ambient value weight", 'i', |
571 |
> |
(void *)&ambvwt); |
572 |
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break; |
573 |
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case 'a': /* accuracy */ |
574 |
< |
if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
574 |
> |
if (getparam(s+2, "ambient accuracy", 'r', |
575 |
> |
(void *)&ambacc)) |
576 |
|
setambacc(ambacc); |
577 |
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break; |
578 |
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case 'd': /* divisions */ |
579 |
< |
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
579 |
> |
getparam(s+2, "ambient divisions", 'i', |
580 |
> |
(void *)&ambdiv); |
581 |
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break; |
582 |
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case 's': /* samples */ |
583 |
< |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
583 |
> |
getparam(s+2, "ambient super-samples", 'i', |
584 |
> |
(void *)&ambssamp); |
585 |
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break; |
586 |
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case 'b': /* bounces */ |
587 |
< |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
587 |
> |
getparam(s+2, "ambient bounces", 'i', |
588 |
> |
(void *)&ambounce); |
589 |
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break; |
590 |
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case 'r': |
591 |
< |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
591 |
> |
if (getparam(s+2, "ambient resolution", 'i', |
592 |
> |
(void *)&ambres)) |
593 |
|
setambres(ambres); |
594 |
|
break; |
595 |
|
default: |
600 |
|
switch (s[1]) { |
601 |
|
case 'e': /* extinction coefficient */ |
602 |
|
getparam(s+2, "extinction coefficient", 'C', |
603 |
< |
(COLOR *)cextinction); |
603 |
> |
(void *)cextinction); |
604 |
|
break; |
605 |
|
case 'a': /* scattering albedo */ |
606 |
|
getparam(s+2, "scattering albedo", 'C', |
607 |
< |
(COLOR *)salbedo); |
607 |
> |
(void *)salbedo); |
608 |
|
break; |
609 |
|
case 'g': /* scattering eccentricity */ |
610 |
< |
getparam(s+2, "scattering eccentricity", 'r', &seccg); |
610 |
> |
getparam(s+2, "scattering eccentricity", 'r', |
611 |
> |
(void *)&seccg); |
612 |
|
break; |
613 |
|
case 's': /* sampling distance */ |
614 |
|
getparam(s+2, "mist sampling distance", 'r', |
615 |
< |
&ssampdist); |
615 |
> |
(void *)&ssampdist); |
616 |
|
break; |
617 |
|
default: |
618 |
|
goto badparam; |
621 |
|
case 'p': /* pixel */ |
622 |
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switch (s[1]) { |
623 |
|
case 's': /* sample */ |
624 |
< |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
624 |
> |
if (getparam(s+2, "pixel sample", 'i', |
625 |
> |
(void *)&psample)) |
626 |
|
pdepth = 0; |
627 |
|
break; |
628 |
|
case 't': /* threshold */ |
629 |
< |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
629 |
> |
if (getparam(s+2, "pixel threshold", 'r', |
630 |
> |
(void *)&maxdiff)) |
631 |
|
pdepth = 0; |
632 |
|
break; |
633 |
|
default: |
637 |
|
case 's': /* specular */ |
638 |
|
switch (s[1]) { |
639 |
|
case 'j': /* jitter */ |
640 |
< |
getparam(s+2, "specular jitter", 'r', &specjitter); |
640 |
> |
getparam(s+2, "specular jitter", 'r', |
641 |
> |
(void *)&specjitter); |
642 |
|
break; |
643 |
|
case 't': /* threshold */ |
644 |
< |
getparam(s+2, "specular threshold", 'r', &specthresh); |
644 |
> |
getparam(s+2, "specular threshold", 'r', |
645 |
> |
(void *)&specthresh); |
646 |
|
break; |
647 |
|
default: |
648 |
|
goto badparam; |
660 |
|
} |
661 |
|
|
662 |
|
|
663 |
+ |
void |
664 |
|
traceray(s) /* trace a single ray */ |
665 |
|
char *s; |
666 |
|
{ |
667 |
|
char buf[128]; |
668 |
|
int x, y; |
669 |
< |
OBJREC *inst; |
669 |
> |
OBJREC *ino; |
670 |
|
RAY thisray; |
671 |
|
|
672 |
|
thisray.rmax = 0.0; |
704 |
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objptr(thisray.ro->omod)->oname, |
705 |
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ofun[thisray.ro->otype].funame, |
706 |
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thisray.ro->oname); |
707 |
< |
if ((inst = objptr(thisray.robj)) != thisray.ro) |
708 |
< |
sprintf(buf+strlen(buf), " in instance \"%s\"", |
709 |
< |
inst->oname); |
707 |
> |
if ((ino = objptr(thisray.robj)) != thisray.ro) |
708 |
> |
sprintf(buf+strlen(buf), " in %s \"%s\"", |
709 |
> |
ofun[ino->otype].funame, ino->oname); |
710 |
|
(*dev->comout)(buf); |
711 |
|
(*dev->comin)(buf, NULL); |
712 |
|
if (thisray.rot >= FHUGE) |
718 |
|
(*dev->comout)(buf); |
719 |
|
} |
720 |
|
(*dev->comin)(buf, NULL); |
721 |
< |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
721 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
722 |
|
colval(thisray.rcol,RED), |
723 |
|
colval(thisray.rcol,GRN), |
724 |
|
colval(thisray.rcol,BLU), |
729 |
|
} |
730 |
|
|
731 |
|
|
732 |
+ |
void |
733 |
|
writepict(s) /* write the picture to a file */ |
734 |
|
char *s; |
735 |
|
{ |
753 |
|
error(COMMAND, errmsg); |
754 |
|
return; |
755 |
|
} |
756 |
< |
#ifdef MSDOS |
752 |
< |
setmode(fileno(fp), O_BINARY); |
753 |
< |
#endif |
756 |
> |
SET_FILE_BINARY(fp); |
757 |
|
(*dev->comout)("writing \""); |
758 |
|
(*dev->comout)(fname); |
759 |
|
(*dev->comout)("\"...\n"); |
766 |
|
else |
767 |
|
putc('\n', fp); |
768 |
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
769 |
+ |
fputnow(fp); |
770 |
|
if (exposure != 1.0) |
771 |
|
fputexpos(exposure, fp); |
772 |
|
if (dev->pixaspect != 1.0) |
787 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
788 |
|
break; |
789 |
|
} |
790 |
< |
free((char *)scanline); |
790 |
> |
free((void *)scanline); |
791 |
|
if (fclose(fp) < 0) |
792 |
|
error(COMMAND, "write error"); |
793 |
|
} |