| 13 |
|
#include <string.h> |
| 14 |
|
|
| 15 |
|
#include "platform.h" |
| 16 |
+ |
#include "rtprocess.h" /* win_popen() */ |
| 17 |
+ |
#include "paths.h" |
| 18 |
|
#include "ray.h" |
| 19 |
|
#include "source.h" |
| 20 |
|
#include "ambient.h" |
| 38 |
|
extern char *octname; |
| 39 |
|
|
| 40 |
|
|
| 41 |
< |
extern void |
| 41 |
> |
void |
| 42 |
|
getframe( /* get a new frame */ |
| 43 |
|
char *s |
| 44 |
|
) |
| 49 |
|
} |
| 50 |
|
|
| 51 |
|
|
| 52 |
< |
extern void |
| 52 |
> |
void |
| 53 |
|
getrepaint( /* get area and repaint */ |
| 54 |
|
char *s |
| 55 |
|
) |
| 58 |
|
|
| 59 |
|
if (getrect(s, &box) < 0) |
| 60 |
|
return; |
| 61 |
< |
paintrect(&ptrunk, 0, 0, hresolu, vresolu, &box); |
| 61 |
> |
paintrect(&ptrunk, &box); |
| 62 |
|
} |
| 63 |
|
|
| 64 |
|
|
| 65 |
< |
extern void |
| 66 |
< |
getview( /* get/show view parameters */ |
| 65 |
> |
void |
| 66 |
> |
getview( /* get/show/save view parameters */ |
| 67 |
|
char *s |
| 68 |
|
) |
| 69 |
|
{ |
| 82 |
|
error(COMMAND, "bad view option(s)"); |
| 83 |
|
return; |
| 84 |
|
} |
| 85 |
< |
if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
| 85 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { /* write to a file */ |
| 86 |
|
if ((fname = getpath(buf, NULL, 0)) == NULL || |
| 87 |
|
(fp = fopen(fname, "a")) == NULL) { |
| 88 |
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
| 155 |
|
} |
| 156 |
|
|
| 157 |
|
|
| 158 |
< |
extern void |
| 158 |
> |
void |
| 159 |
|
lastview( /* return to a previous view */ |
| 160 |
|
char *s |
| 161 |
|
) |
| 164 |
|
char *fname; |
| 165 |
|
int success; |
| 166 |
|
VIEW nv; |
| 167 |
< |
|
| 168 |
< |
if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
| 167 |
> |
/* get parameters from a file */ |
| 168 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { |
| 169 |
|
nv = stdview; |
| 170 |
|
if ((fname = getpath(buf, "", R_OK)) == NULL || |
| 171 |
|
(success = viewfile(fname, &nv, NULL)) == -1) { |
| 186 |
|
nv = ourview; |
| 187 |
|
ourview = oldview; |
| 188 |
|
oldview = nv; |
| 189 |
< |
newimage(); |
| 189 |
> |
newimage(NULL); |
| 190 |
|
} |
| 191 |
|
|
| 192 |
|
|
| 193 |
< |
extern void |
| 193 |
> |
void |
| 194 |
|
saveview( /* save view to rad file */ |
| 195 |
|
char *s |
| 196 |
|
) |
| 206 |
|
} |
| 207 |
|
s = sskip(s); |
| 208 |
|
} |
| 209 |
< |
while (isspace(*s)) |
| 208 |
< |
s++; |
| 209 |
< |
if (*s) |
| 210 |
< |
atos(rifname, sizeof(rifname), s); |
| 211 |
< |
else if (rifname[0] == '\0') { |
| 209 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
| 210 |
|
error(COMMAND, "no previous rad file"); |
| 211 |
|
return; |
| 212 |
|
} |
| 224 |
|
} |
| 225 |
|
|
| 226 |
|
|
| 227 |
< |
extern void |
| 227 |
> |
void |
| 228 |
|
loadview( /* load view from rad file */ |
| 229 |
|
char *s |
| 230 |
|
) |
| 239 |
|
s = sskip(s); |
| 240 |
|
else |
| 241 |
|
strcat(buf, "1"); |
| 242 |
< |
if (*s) |
| 245 |
< |
atos(rifname, sizeof(rifname), s); |
| 246 |
< |
else if (rifname[0] == '\0') { |
| 242 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
| 243 |
|
error(COMMAND, "no previous rad file"); |
| 244 |
|
return; |
| 245 |
|
} |
| 265 |
|
} |
| 266 |
|
|
| 267 |
|
|
| 268 |
< |
extern void |
| 268 |
> |
void |
| 269 |
|
getaim( /* aim camera */ |
| 270 |
|
char *s |
| 271 |
|
) |
| 280 |
|
} |
| 281 |
|
|
| 282 |
|
|
| 283 |
< |
extern void |
| 283 |
> |
void |
| 284 |
|
getfocus( /* set focus distance */ |
| 285 |
|
char *s |
| 286 |
|
) |
| 287 |
|
{ |
| 288 |
< |
FVECT vc; |
| 288 |
> |
char buf[64]; |
| 289 |
|
double dist; |
| 290 |
|
|
| 291 |
|
if (sscanf(s, "%lf", &dist) < 1) { |
| 312 |
|
return; |
| 313 |
|
} |
| 314 |
|
ourview.vdist = dist; |
| 315 |
+ |
sprintf(buf, "Focus distance set to %f\n", dist); |
| 316 |
+ |
(*dev->comout)(buf); |
| 317 |
|
} |
| 318 |
|
|
| 319 |
|
|
| 320 |
< |
extern void |
| 320 |
> |
void |
| 321 |
|
getmove( /* move camera */ |
| 322 |
|
char *s |
| 323 |
|
) |
| 331 |
|
} |
| 332 |
|
|
| 333 |
|
|
| 334 |
< |
extern void |
| 334 |
> |
void |
| 335 |
|
getrotate( /* rotate camera */ |
| 336 |
|
char *s |
| 337 |
|
) |
| 338 |
|
{ |
| 339 |
|
VIEW nv = ourview; |
| 342 |
– |
FVECT v1; |
| 340 |
|
double angle, elev, zfact; |
| 341 |
|
|
| 342 |
|
elev = 0.0; zfact = 1.0; |
| 345 |
|
return; |
| 346 |
|
} |
| 347 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
| 348 |
< |
if (elev != 0.0) { |
| 349 |
< |
fcross(v1, nv.vdir, ourview.vup); |
| 350 |
< |
normalize(v1); |
| 354 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
| 355 |
< |
} |
| 348 |
> |
if (elev != 0.0) |
| 349 |
> |
geodesic(nv.vdir, nv.vdir, nv.vup, elev*(PI/180.), GEOD_RAD); |
| 350 |
> |
|
| 351 |
|
zoomview(&nv, zfact); |
| 352 |
|
newview(&nv); |
| 353 |
|
} |
| 354 |
|
|
| 355 |
|
|
| 356 |
< |
extern void |
| 356 |
> |
void |
| 357 |
|
getpivot( /* pivot viewpoint */ |
| 358 |
< |
register char *s |
| 358 |
> |
char *s |
| 359 |
|
) |
| 360 |
|
{ |
| 361 |
|
FVECT vc; |
| 372 |
|
} |
| 373 |
|
|
| 374 |
|
|
| 375 |
< |
extern void |
| 375 |
> |
void |
| 376 |
|
getexposure( /* get new exposure */ |
| 377 |
|
char *s |
| 378 |
|
) |
| 379 |
|
{ |
| 380 |
|
char buf[128]; |
| 381 |
< |
register char *cp; |
| 387 |
< |
RECT r; |
| 381 |
> |
char *cp; |
| 382 |
|
int x, y; |
| 383 |
< |
register PNODE *p = &ptrunk; |
| 383 |
> |
PNODE *p = &ptrunk; |
| 384 |
|
int adapt = 0; |
| 385 |
|
double e = 1.0; |
| 386 |
|
|
| 397 |
|
(*dev->comout)("Pick point for exposure\n"); |
| 398 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
| 399 |
|
return; |
| 400 |
< |
r.l = r.d = 0; |
| 407 |
< |
r.r = hresolu; r.u = vresolu; |
| 408 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
| 400 |
> |
p = findrect(x, y, &ptrunk, -1); |
| 401 |
|
} else { |
| 402 |
|
if (*cp == '=') { /* absolute setting */ |
| 403 |
|
p = NULL; |
| 420 |
|
e *= atof(cp); |
| 421 |
|
} |
| 422 |
|
if (p != NULL) { /* relative setting */ |
| 423 |
+ |
compavg(p); |
| 424 |
|
if (bright(p->v) < 1e-15) { |
| 425 |
|
error(COMMAND, "cannot normalize to zero"); |
| 426 |
|
return; |
| 438 |
|
} |
| 439 |
|
|
| 440 |
|
typedef union {int i; double d; COLOR C;} *MyUptr; |
| 441 |
+ |
#define FEQ(x,y) (fabs((x)-(y)) <= FTINY) |
| 442 |
|
|
| 443 |
< |
extern int |
| 443 |
> |
int |
| 444 |
|
getparam( /* get variable from user */ |
| 445 |
|
char *str, |
| 446 |
|
char *dsc, |
| 448 |
|
void *p |
| 449 |
|
) |
| 450 |
|
{ |
| 451 |
< |
register MyUptr ptr = (MyUptr)p; |
| 451 |
> |
MyUptr ptr = (MyUptr)p; |
| 452 |
|
int i0; |
| 453 |
|
double d0, d1, d2; |
| 454 |
|
char buf[48]; |
| 463 |
|
if (sscanf(buf, "%d", &i0) != 1) |
| 464 |
|
return(0); |
| 465 |
|
} |
| 466 |
+ |
if (ptr->i == i0) |
| 467 |
+ |
return(0); |
| 468 |
|
ptr->i = i0; |
| 469 |
< |
return(1); |
| 469 |
> |
break; |
| 470 |
|
case 'r': /* real */ |
| 471 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
| 472 |
|
(*dev->comout)(dsc); |
| 476 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
| 477 |
|
return(0); |
| 478 |
|
} |
| 479 |
+ |
if (FEQ(ptr->d, d0)) |
| 480 |
+ |
return(0); |
| 481 |
|
ptr->d = d0; |
| 482 |
< |
return(1); |
| 482 |
> |
break; |
| 483 |
|
case 'b': /* boolean */ |
| 484 |
|
if (sscanf(str, "%1s", buf) != 1) { |
| 485 |
|
(*dev->comout)(dsc); |
| 486 |
|
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
| 487 |
|
(*dev->comout)(buf); |
| 488 |
|
(*dev->comin)(buf, NULL); |
| 489 |
< |
if (buf[0] == '\0' || |
| 492 |
< |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
| 489 |
> |
if (buf[0] == '\0') |
| 490 |
|
return(0); |
| 491 |
|
} |
| 492 |
< |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
| 493 |
< |
return(1); |
| 492 |
> |
if (strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
| 493 |
> |
return(0); |
| 494 |
> |
i0 = strchr("yY+1tT", buf[0]) != NULL; |
| 495 |
> |
if (ptr->i == i0) |
| 496 |
> |
return(0); |
| 497 |
> |
ptr->i = i0; |
| 498 |
> |
break; |
| 499 |
|
case 'C': /* color */ |
| 500 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
| 501 |
|
(*dev->comout)(dsc); |
| 508 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
| 509 |
|
return(0); |
| 510 |
|
} |
| 511 |
+ |
if (FEQ(colval(ptr->C,RED), d0) && |
| 512 |
+ |
FEQ(colval(ptr->C,GRN), d1) && |
| 513 |
+ |
FEQ(colval(ptr->C,BLU), d2)) |
| 514 |
+ |
return(0); |
| 515 |
|
setcolor(ptr->C, d0, d1, d2); |
| 516 |
< |
return(1); |
| 516 |
> |
break; |
| 517 |
> |
default: |
| 518 |
> |
return(0); /* shouldn't happen */ |
| 519 |
|
} |
| 520 |
< |
return 0; /* nothing matched */ |
| 520 |
> |
newparam++; |
| 521 |
> |
return(1); |
| 522 |
|
} |
| 523 |
|
|
| 524 |
|
|
| 525 |
< |
extern void |
| 525 |
> |
void |
| 526 |
|
setparam( /* get/set program parameter */ |
| 527 |
< |
register char *s |
| 527 |
> |
char *s |
| 528 |
|
) |
| 529 |
|
{ |
| 530 |
+ |
int prev_newp = newparam; |
| 531 |
|
char buf[128]; |
| 532 |
|
|
| 533 |
|
if (s[0] == '\0') { |
| 534 |
|
(*dev->comout)( |
| 535 |
< |
"aa ab ad ar as av aw b bv dc dv dj ds dt i lr lw me ma mg ms ps pt sj st u: "); |
| 535 |
> |
"aa ab ad ar as av aw b bv dc dv dj ds dt i lr lw me ma mg ms ps pt ss st u: "); |
| 536 |
|
(*dev->comin)(buf, NULL); |
| 537 |
|
s = buf; |
| 538 |
|
} |
| 593 |
|
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
| 594 |
|
getparam(s+1, "black and white", 'b', |
| 595 |
|
(void *)&greyscale); |
| 596 |
+ |
newparam = prev_newp; |
| 597 |
|
break; |
| 598 |
|
default: |
| 599 |
|
goto badparam; |
| 676 |
|
default: |
| 677 |
|
goto badparam; |
| 678 |
|
} |
| 679 |
+ |
newparam = prev_newp; |
| 680 |
|
break; |
| 681 |
|
case 's': /* specular */ |
| 682 |
|
switch (s[1]) { |
| 683 |
< |
case 'j': /* jitter */ |
| 684 |
< |
getparam(s+2, "specular jitter", 'r', |
| 683 |
> |
case 's': /* sampling */ |
| 684 |
> |
getparam(s+2, "specular sampling", 'r', |
| 685 |
|
(void *)&specjitter); |
| 686 |
|
break; |
| 687 |
|
case 't': /* threshold */ |
| 704 |
|
} |
| 705 |
|
|
| 706 |
|
|
| 707 |
< |
extern void |
| 708 |
< |
traceray(s) /* trace a single ray */ |
| 709 |
< |
char *s; |
| 707 |
> |
void |
| 708 |
> |
traceray( /* trace a single ray */ |
| 709 |
> |
char *s |
| 710 |
> |
) |
| 711 |
|
{ |
| 712 |
< |
char buf[128]; |
| 713 |
< |
int x, y; |
| 701 |
< |
OBJREC *ino; |
| 702 |
< |
RAY thisray; |
| 712 |
> |
RAY thisray; |
| 713 |
> |
char buf[512]; |
| 714 |
|
|
| 715 |
|
thisray.rmax = 0.0; |
| 716 |
|
|
| 717 |
|
if (!sscanvec(s, thisray.rorg) || |
| 718 |
|
!sscanvec(sskip2(s,3), thisray.rdir)) { |
| 719 |
+ |
int x, y; |
| 720 |
|
|
| 721 |
|
if (dev->getcur == NULL) |
| 722 |
|
return; |
| 735 |
|
return; |
| 736 |
|
} |
| 737 |
|
|
| 738 |
< |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 727 |
< |
|
| 728 |
< |
rayvalue(&thisray); |
| 738 |
> |
ray_trace(&thisray); |
| 739 |
|
|
| 740 |
|
if (thisray.ro == NULL) |
| 741 |
|
(*dev->comout)("ray hit nothing"); |
| 743 |
|
OBJREC *mat = NULL; |
| 744 |
|
OBJREC *mod = NULL; |
| 745 |
|
char matspec[256]; |
| 746 |
+ |
OBJREC *ino; |
| 747 |
+ |
|
| 748 |
|
matspec[0] = '\0'; |
| 749 |
|
if (thisray.ro->omod != OVOID) { |
| 750 |
|
mod = objptr(thisray.ro->omod); |
| 787 |
|
} |
| 788 |
|
|
| 789 |
|
|
| 790 |
< |
extern void |
| 791 |
< |
writepict(s) /* write the picture to a file */ |
| 792 |
< |
char *s; |
| 790 |
> |
void |
| 791 |
> |
writepict( /* write the picture to a file */ |
| 792 |
> |
char *s |
| 793 |
> |
) |
| 794 |
|
{ |
| 795 |
|
static char buf[128]; |
| 796 |
|
char *fname; |
| 797 |
|
FILE *fp; |
| 798 |
|
COLR *scanline; |
| 799 |
|
int y; |
| 800 |
< |
|
| 801 |
< |
while (isspace(*s)) |
| 789 |
< |
s++; |
| 790 |
< |
if (*s) |
| 791 |
< |
atos(buf, sizeof(buf), s); |
| 792 |
< |
else if (buf[0] == '\0') { |
| 800 |
> |
/* XXX relies on words.c 2.11 behavior */ |
| 801 |
> |
if (nextword(buf, sizeof(buf), s) == NULL && !buf[0]) { |
| 802 |
|
error(COMMAND, "no file"); |
| 803 |
|
return; |
| 804 |
|
} |