| 11 |
|
#include <stdlib.h> |
| 12 |
|
#include "rtio.h" |
| 13 |
|
#include "rtmath.h" |
| 14 |
+ |
#include "paths.h" |
| 15 |
|
#include "bsdf.h" |
| 16 |
|
#include "bsdf_m.h" |
| 17 |
|
#include "random.h" |
| 18 |
|
#include "triangulate.h" |
| 19 |
|
#include "platform.h" |
| 20 |
|
|
| 21 |
< |
#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
| 22 |
< |
#undef getc |
| 22 |
< |
#define getc getc_unlocked |
| 21 |
> |
#ifndef MAXRCARG |
| 22 |
> |
#define MAXRCARG 10000 |
| 23 |
|
#endif |
| 24 |
|
|
| 25 |
– |
#ifdef _WIN32 |
| 26 |
– |
#define SPECIALS " \t\"$*?" |
| 27 |
– |
#define QUOTCHAR '"' |
| 28 |
– |
#else |
| 29 |
– |
#define SPECIALS " \t\n'\"()${}*?[];|&" |
| 30 |
– |
#define QUOTCHAR '\'' |
| 31 |
– |
#define ALTQUOT '"' |
| 32 |
– |
#endif |
| 33 |
– |
|
| 34 |
– |
#define MAXRCARG 512 |
| 35 |
– |
|
| 25 |
|
char *progname; /* global argv[0] */ |
| 26 |
|
|
| 27 |
< |
int verbose = 0; /* verbose mode? */ |
| 27 |
> |
int verbose = 0; /* verbose mode (< 0 no warnings) */ |
| 28 |
|
|
| 29 |
|
char *rcarg[MAXRCARG+1] = {"rcontrib", "-fo+"}; |
| 30 |
|
int nrcargs = 2; |
| 66 |
|
FVECT uva[2]; /* tangent axes */ |
| 67 |
|
int ntris; /* number of triangles */ |
| 68 |
|
struct ptri { |
| 69 |
< |
float afrac; /* fraction of total area */ |
| 69 |
> |
double afrac; /* fraction of total area */ |
| 70 |
|
short vndx[3]; /* vertex indices */ |
| 71 |
|
} tri[1]; /* triangle array (extends struct) */ |
| 72 |
|
} POLYTRIS; /* triangulated polygon */ |
| 73 |
|
|
| 74 |
|
typedef struct param_s { |
| 75 |
< |
char hemis[32]; /* hemispherical sampling spec. */ |
| 75 |
> |
char sign; /* '-' for axis reversal */ |
| 76 |
> |
char hemis[31]; /* hemispherical sampling spec. */ |
| 77 |
|
int hsiz; /* hemisphere basis size */ |
| 78 |
|
int nsurfs; /* number of surfaces */ |
| 79 |
|
SURF *slist; /* list of surfaces */ |
| 80 |
|
FVECT vup; /* up vector (zero if unset) */ |
| 81 |
|
FVECT nrm; /* average normal direction */ |
| 82 |
< |
FVECT udir, vdir; /* v-up tangent axes */ |
| 82 |
> |
FVECT udir, vdir; /* tangent axes */ |
| 83 |
|
char *outfn; /* output file name (receiver) */ |
| 84 |
|
int (*sample_basis)(struct param_s *p, int, FILE *); |
| 85 |
|
} PARAMS; /* sender/receiver parameters */ |
| 134 |
|
static char * |
| 135 |
|
oconv_command(int ac, char *av[]) |
| 136 |
|
{ |
| 137 |
< |
static char oconvbuf[2048] = "!oconv -f"; |
| 138 |
< |
char *cp = oconvbuf + 9; |
| 139 |
< |
|
| 137 |
> |
static char oconvbuf[2048] = "!oconv -f "; |
| 138 |
> |
char *cp = oconvbuf + 10; |
| 139 |
> |
char *recv = *av++; |
| 140 |
> |
|
| 141 |
> |
if (ac-- <= 0) |
| 142 |
> |
return(NULL); |
| 143 |
> |
if (verbose < 0) { /* turn off warnings */ |
| 144 |
> |
strcpy(cp, "-w- "); |
| 145 |
> |
cp += 4; |
| 146 |
> |
} |
| 147 |
|
while (ac-- > 0) { |
| 151 |
– |
if (cp >= oconvbuf+(sizeof(oconvbuf)-32)) { |
| 152 |
– |
fputs(progname, stderr); |
| 153 |
– |
fputs(": too many file arguments!\n", stderr); |
| 154 |
– |
exit(1); |
| 155 |
– |
} |
| 156 |
– |
*cp++ = ' '; |
| 148 |
|
strcpy(cp, *av++); |
| 149 |
|
while (*cp) cp++; |
| 150 |
+ |
*cp++ = ' '; |
| 151 |
+ |
if (cp >= oconvbuf+(sizeof(oconvbuf)-32)) |
| 152 |
+ |
goto overrun; |
| 153 |
|
} |
| 154 |
< |
*cp = '\0'; |
| 154 |
> |
/* receiver goes last */ |
| 155 |
> |
if (matchany(recv, SPECIALS)) { |
| 156 |
> |
*cp++ = QUOTCHAR; |
| 157 |
> |
while (*recv) { |
| 158 |
> |
if (cp >= oconvbuf+(sizeof(oconvbuf)-3)) |
| 159 |
> |
goto overrun; |
| 160 |
> |
*cp++ = *recv++; |
| 161 |
> |
} |
| 162 |
> |
*cp++ = QUOTCHAR; |
| 163 |
> |
*cp = '\0'; |
| 164 |
> |
} else |
| 165 |
> |
strcpy(cp, recv); |
| 166 |
|
return(oconvbuf); |
| 167 |
+ |
overrun: |
| 168 |
+ |
fputs(progname, stderr); |
| 169 |
+ |
fputs(": too many file arguments!\n", stderr); |
| 170 |
+ |
exit(1); |
| 171 |
|
} |
| 172 |
|
|
| 164 |
– |
/* Check if any of the characters in str2 are found in str1 */ |
| 165 |
– |
static int |
| 166 |
– |
matchany(const char *str1, const char *str2) |
| 167 |
– |
{ |
| 168 |
– |
while (*str1) { |
| 169 |
– |
const char *cp = str2; |
| 170 |
– |
while (*cp) |
| 171 |
– |
if (*cp++ == *str1) |
| 172 |
– |
return(*str1); |
| 173 |
– |
++str1; |
| 174 |
– |
} |
| 175 |
– |
return(0); |
| 176 |
– |
} |
| 177 |
– |
|
| 178 |
– |
|
| 179 |
– |
/* Convert a set of arguments into a command line for pipe() or system() */ |
| 180 |
– |
static char * |
| 181 |
– |
convert_commandline(char *cmd, const int len, char *av[]) |
| 182 |
– |
{ |
| 183 |
– |
int match; |
| 184 |
– |
char *cp; |
| 185 |
– |
|
| 186 |
– |
for (cp = cmd; *av != NULL; av++) { |
| 187 |
– |
const int n = strlen(*av); |
| 188 |
– |
if (cp+n >= cmd+(len-3)) { |
| 189 |
– |
fputs(progname, stderr); |
| 190 |
– |
return(NULL); |
| 191 |
– |
} |
| 192 |
– |
if ((match = matchany(*av, SPECIALS))) { |
| 193 |
– |
const int quote = |
| 194 |
– |
#ifdef ALTQUOT |
| 195 |
– |
(match == QUOTCHAR) ? ALTQUOT : |
| 196 |
– |
#endif |
| 197 |
– |
QUOTCHAR; |
| 198 |
– |
*cp++ = quote; |
| 199 |
– |
strcpy(cp, *av); |
| 200 |
– |
cp += n; |
| 201 |
– |
*cp++ = quote; |
| 202 |
– |
} else { |
| 203 |
– |
strcpy(cp, *av); |
| 204 |
– |
cp += n; |
| 205 |
– |
} |
| 206 |
– |
*cp++ = ' '; |
| 207 |
– |
} |
| 208 |
– |
if (cp <= cmd) |
| 209 |
– |
return(NULL); |
| 210 |
– |
*--cp = '\0'; |
| 211 |
– |
return(cmd); |
| 212 |
– |
} |
| 213 |
– |
|
| 173 |
|
/* Open a pipe to/from a command given as an argument list */ |
| 174 |
|
static FILE * |
| 175 |
|
popen_arglist(char *av[], char *mode) |
| 181 |
|
fputs(": command line too long in popen_arglist()\n", stderr); |
| 182 |
|
return(NULL); |
| 183 |
|
} |
| 184 |
< |
if (verbose) |
| 184 |
> |
if (verbose > 0) |
| 185 |
|
fprintf(stderr, "%s: opening pipe %s: %s\n", |
| 186 |
|
progname, (*mode=='w') ? "to" : "from", cmd); |
| 187 |
|
return(popen(cmd, mode)); |
| 188 |
|
} |
| 189 |
|
|
| 190 |
< |
#ifdef _WIN32 |
| 190 |
> |
#if defined(_WIN32) || defined(_WIN64) |
| 191 |
|
/* Execute system command (Windows version) */ |
| 192 |
|
static int |
| 193 |
|
my_exec(char *av[]) |
| 199 |
|
fputs(": command line too long in my_exec()\n", stderr); |
| 200 |
|
return(1); |
| 201 |
|
} |
| 202 |
< |
if (verbose) |
| 202 |
> |
if (verbose > 0) |
| 203 |
|
fprintf(stderr, "%s: running: %s\n", progname, cmd); |
| 204 |
|
return(system(cmd)); |
| 205 |
|
} |
| 214 |
|
fprintf(stderr, "%s: cannot locate %s\n", progname, av[0]); |
| 215 |
|
return(1); |
| 216 |
|
} |
| 217 |
< |
if (verbose) { |
| 217 |
> |
if (verbose > 0) { |
| 218 |
|
char cmd[4096]; |
| 219 |
|
if (!convert_commandline(cmd, sizeof(cmd), av)) |
| 220 |
|
strcpy(cmd, "COMMAND TOO LONG TO SHOW"); |
| 272 |
|
{ |
| 273 |
|
char *cp = pargs; |
| 274 |
|
int nparams = 0; |
| 275 |
+ |
int quot; |
| 276 |
|
int i; |
| 277 |
|
|
| 278 |
< |
for ( ; ; ) |
| 278 |
> |
for ( ; ; ) { |
| 279 |
|
switch (*cp++) { |
| 280 |
|
case 'h': |
| 281 |
|
if (*cp++ != '=') |
| 282 |
|
break; |
| 283 |
+ |
if ((*cp == '+') | (*cp == '-')) |
| 284 |
+ |
p->sign = *cp++; |
| 285 |
+ |
else |
| 286 |
+ |
p->sign = '+'; |
| 287 |
|
p->hsiz = 0; |
| 288 |
|
i = 0; |
| 289 |
|
while (*cp && !isspace(*cp)) { |
| 302 |
|
break; |
| 303 |
|
if (!get_direction(p->vup, cp)) |
| 304 |
|
break; |
| 305 |
+ |
while (*cp && !isspace(*cp++)) |
| 306 |
+ |
; |
| 307 |
|
++nparams; |
| 308 |
|
continue; |
| 309 |
|
case 'o': |
| 310 |
|
if (*cp++ != '=') |
| 311 |
|
break; |
| 312 |
+ |
quot = 0; |
| 313 |
+ |
if ((*cp == '"') | (*cp == '\'')) |
| 314 |
+ |
quot = *cp++; |
| 315 |
|
i = 0; |
| 316 |
< |
while (*cp && !isspace(*cp++)) |
| 317 |
< |
i++; |
| 316 |
> |
while (*cp && (quot ? (*cp != quot) : !isspace(*cp))) { |
| 317 |
> |
i++; cp++; |
| 318 |
> |
} |
| 319 |
|
if (!i) |
| 320 |
|
break; |
| 321 |
< |
*--cp = '\0'; |
| 321 |
> |
if (!*cp) { |
| 322 |
> |
if (quot) |
| 323 |
> |
break; |
| 324 |
> |
cp[1] = '\0'; |
| 325 |
> |
} |
| 326 |
> |
*cp = '\0'; |
| 327 |
|
p->outfn = savqstr(cp-i); |
| 328 |
< |
*cp++ = ' '; |
| 328 |
> |
*cp++ = quot ? quot : ' '; |
| 329 |
|
++nparams; |
| 330 |
|
continue; |
| 331 |
|
case ' ': |
| 338 |
|
default: |
| 339 |
|
break; |
| 340 |
|
} |
| 341 |
< |
fprintf(stderr, "%s: bad parameter string '%s'\n", progname, pargs); |
| 341 |
> |
break; |
| 342 |
> |
} |
| 343 |
> |
fprintf(stderr, "%s: bad parameter string: %s", progname, pargs); |
| 344 |
|
exit(1); |
| 345 |
|
return(-1); /* pro forma return */ |
| 346 |
|
} |
| 378 |
|
fputs(": undefined normal for hemisphere sampling\n", stderr); |
| 379 |
|
exit(1); |
| 380 |
|
} |
| 381 |
< |
if (normalize(curparams.vup) == 0) |
| 381 |
> |
if (normalize(curparams.vup) == 0) { |
| 382 |
|
if (fabs(curparams.nrm[2]) < .7) |
| 383 |
|
curparams.vup[2] = 1; |
| 384 |
|
else |
| 385 |
|
curparams.vup[1] = 1; |
| 386 |
+ |
} |
| 387 |
|
/* determine sample type/bin */ |
| 388 |
< |
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') { |
| 389 |
< |
binv = "0"; /* uniform sampling -- one bin */ |
| 388 |
> |
if ((tolower(curparams.hemis[0]) == 'u') | (curparams.hemis[0] == '1')) { |
| 389 |
> |
sprintf(sbuf, "if(-Dx*%g-Dy*%g-Dz*%g,0,-1)", |
| 390 |
> |
curparams.nrm[0], curparams.nrm[1], curparams.nrm[2]); |
| 391 |
> |
binv = savqstr(sbuf); |
| 392 |
> |
nbins = "1"; /* uniform sampling -- one bin */ |
| 393 |
|
uniform = 1; |
| 394 |
|
} else if (tolower(curparams.hemis[0]) == 's' && |
| 395 |
|
tolower(curparams.hemis[1]) == 'c') { |
| 400 |
|
exit(1); |
| 401 |
|
} |
| 402 |
|
calfn = shirchiufn; shirchiufn = NULL; |
| 403 |
< |
sprintf(sbuf, "SCdim=%d,rNx=%g,rNy=%g,rNz=%g,Ux=%g,Uy=%g,Uz=%g", |
| 403 |
> |
sprintf(sbuf, "SCdim=%d,rNx=%g,rNy=%g,rNz=%g,Ux=%g,Uy=%g,Uz=%g,RHS=%c1", |
| 404 |
|
curparams.hsiz, |
| 405 |
|
curparams.nrm[0], curparams.nrm[1], curparams.nrm[2], |
| 406 |
< |
curparams.vup[0], curparams.vup[1], curparams.vup[2]); |
| 406 |
> |
curparams.vup[0], curparams.vup[1], curparams.vup[2], |
| 407 |
> |
curparams.sign); |
| 408 |
|
params = savqstr(sbuf); |
| 409 |
|
binv = "scbin"; |
| 410 |
|
nbins = "SCdim*SCdim"; |
| 411 |
|
} else if ((tolower(curparams.hemis[0]) == 'r') | |
| 412 |
|
(tolower(curparams.hemis[0]) == 't')) { |
| 413 |
|
calfn = reinhfn; reinhfn = NULL; |
| 414 |
< |
sprintf(sbuf, "MF=%d,rNx=%g,rNy=%g,rNz=%g,Ux=%g,Uy=%g,Uz=%g", |
| 414 |
> |
sprintf(sbuf, "MF=%d,rNx=%g,rNy=%g,rNz=%g,Ux=%g,Uy=%g,Uz=%g,RHS=%c1", |
| 415 |
|
curparams.hsiz, |
| 416 |
|
curparams.nrm[0], curparams.nrm[1], curparams.nrm[2], |
| 417 |
< |
curparams.vup[0], curparams.vup[1], curparams.vup[2]); |
| 417 |
> |
curparams.vup[0], curparams.vup[1], curparams.vup[2], |
| 418 |
> |
curparams.sign); |
| 419 |
|
params = savqstr(sbuf); |
| 420 |
|
binv = "rbin"; |
| 421 |
|
nbins = "Nrbins"; |
| 443 |
|
progname, curparams.hemis); |
| 444 |
|
exit(1); |
| 445 |
|
} |
| 446 |
+ |
if (tolower(curparams.hemis[0]) == 'k') { |
| 447 |
+ |
sprintf(sbuf, "RHS=%c1", curparams.sign); |
| 448 |
+ |
params = savqstr(sbuf); |
| 449 |
+ |
} |
| 450 |
|
if (!uniform & (curparams.slist->styp == ST_SOURCE)) { |
| 451 |
|
SURF *sp; |
| 452 |
|
for (sp = curparams.slist; sp != NULL; sp = sp->next) |
| 494 |
|
{ |
| 495 |
|
int i; |
| 496 |
|
|
| 497 |
< |
uva[1][0] = 0.5 - frandom(); |
| 511 |
< |
uva[1][1] = 0.5 - frandom(); |
| 512 |
< |
uva[1][2] = 0.5 - frandom(); |
| 513 |
< |
for (i = 3; i--; ) |
| 514 |
< |
if ((-0.6 < nrm[i]) & (nrm[i] < 0.6)) |
| 515 |
< |
break; |
| 516 |
< |
if (i < 0) { |
| 497 |
> |
if (!getperpendicular(uva[0], nrm, 1)) { |
| 498 |
|
fputs(progname, stderr); |
| 499 |
|
fputs(": bad surface normal in make_axes!\n", stderr); |
| 500 |
|
exit(1); |
| 501 |
|
} |
| 502 |
< |
uva[1][i] = 1.0; |
| 522 |
< |
VCROSS(uva[0], uva[1], nrm); |
| 523 |
< |
normalize(uva[0]); |
| 524 |
< |
VCROSS(uva[1], nrm, uva[0]); |
| 502 |
> |
fcross(uva[1], nrm, uva[0]); |
| 503 |
|
} |
| 504 |
|
|
| 505 |
|
/* Illegal sender surfaces end up here */ |
| 608 |
|
sp->priv = (void *)ptp; |
| 609 |
|
} |
| 610 |
|
/* pick triangle by partial area */ |
| 611 |
< |
for (i = 0; i < ptp->ntris && x > ptp->tri[i].afrac; i++) |
| 611 |
> |
for (i = 0; i < ptp->ntris-1 && x > ptp->tri[i].afrac; i++) |
| 612 |
|
x -= ptp->tri[i].afrac; |
| 613 |
|
SDmultiSamp(samp2, 2, x/ptp->tri[i].afrac); |
| 614 |
|
samp2[0] *= samp2[1] = sqrt(samp2[1]); |
| 638 |
|
/* special case for lone surface */ |
| 639 |
|
if (p->nsurfs == 1) { |
| 640 |
|
sp = p->slist; |
| 641 |
< |
if (DOT(sp->snrm, rdir) >= -FTINY) { |
| 641 |
> |
if (DOT(sp->snrm, rdir) >= FTINY) { |
| 642 |
|
fprintf(stderr, |
| 643 |
|
"%s: internal - sample behind sender '%s'\n", |
| 644 |
|
progname, sp->sname); |
| 649 |
|
if (p->nsurfs > nall) { /* (re)allocate surface area cache */ |
| 650 |
|
if (projsa) free(projsa); |
| 651 |
|
projsa = (double *)malloc(sizeof(double)*p->nsurfs); |
| 652 |
< |
if (!projsa) return(0); |
| 652 |
> |
if (projsa == NULL) { |
| 653 |
> |
fputs(progname, stderr); |
| 654 |
> |
fputs(": out of memory in sample_origin!\n", stderr); |
| 655 |
> |
exit(1); |
| 656 |
> |
} |
| 657 |
|
nall = p->nsurfs; |
| 658 |
|
} |
| 659 |
|
/* compute projected areas */ |
| 696 |
|
duvw[2]*p->nrm[i] ; |
| 697 |
|
if (!sample_origin(p, orig_dir[0], orig_dir[1], samp3[0])) |
| 698 |
|
return(0); |
| 699 |
< |
if (fwrite(orig_dir, sizeof(FVECT), 2, fp) != 2) |
| 699 |
> |
if (putbinary(orig_dir, sizeof(FVECT), 2, fp) != 2) |
| 700 |
|
return(0); |
| 701 |
|
} |
| 702 |
|
return(1); |
| 726 |
|
duvw[2]*p->nrm[i] ; |
| 727 |
|
if (!sample_origin(p, orig_dir[0], orig_dir[1], samp3[0])) |
| 728 |
|
return(0); |
| 729 |
< |
if (fwrite(orig_dir, sizeof(FVECT), 2, fp) != 2) |
| 729 |
> |
if (putbinary(orig_dir, sizeof(FVECT), 2, fp) != 2) |
| 730 |
|
return(0); |
| 731 |
|
} |
| 732 |
|
return(1); |
| 762 |
|
} |
| 763 |
|
while (n--) { /* stratified sampling */ |
| 764 |
|
SDmultiSamp(samp3, 3, (n+frandom())/sampcnt); |
| 765 |
+ |
if (row >= RowMax-1) /* avoid crowding at zenith */ |
| 766 |
+ |
samp3[1] *= samp3[1]; |
| 767 |
|
alt = (row+samp3[1])*RAH; |
| 768 |
|
azi = (2.*PI)*(col+samp3[2]-.5)/rnaz(row); |
| 769 |
|
duvw[2] = cos(alt); /* measured from horizon */ |
| 770 |
< |
duvw[0] = tcos(azi)*duvw[2]; |
| 771 |
< |
duvw[1] = tsin(azi)*duvw[2]; |
| 770 |
> |
duvw[0] = tsin(azi)*duvw[2]; |
| 771 |
> |
duvw[1] = -tcos(azi)*duvw[2]; |
| 772 |
|
duvw[2] = sqrt(1. - duvw[2]*duvw[2]); |
| 773 |
|
for (i = 3; i--; ) |
| 774 |
|
orig_dir[1][i] = -duvw[0]*p->udir[i] - |
| 776 |
|
duvw[2]*p->nrm[i] ; |
| 777 |
|
if (!sample_origin(p, orig_dir[0], orig_dir[1], samp3[0])) |
| 778 |
|
return(0); |
| 779 |
< |
if (fwrite(orig_dir, sizeof(FVECT), 2, fp) != 2) |
| 779 |
> |
if (putbinary(orig_dir, sizeof(FVECT), 2, fp) != 2) |
| 780 |
|
return(0); |
| 781 |
|
} |
| 782 |
|
return(1); |
| 819 |
|
|
| 820 |
|
while (n--) { /* stratified sampling */ |
| 821 |
|
SDmultiSamp(samp2, 2, (n+frandom())/sampcnt); |
| 822 |
< |
if (!bo_getvec(duvw, b+samp2[1], kbasis[bi])) |
| 822 |
> |
if (!fo_getvec(duvw, b+samp2[1], kbasis[bi])) |
| 823 |
|
return(0); |
| 824 |
|
for (i = 3; i--; ) |
| 825 |
< |
orig_dir[1][i] = duvw[0]*p->udir[i] + |
| 826 |
< |
duvw[1]*p->vdir[i] + |
| 825 |
> |
orig_dir[1][i] = -duvw[0]*p->udir[i] - |
| 826 |
> |
duvw[1]*p->vdir[i] - |
| 827 |
|
duvw[2]*p->nrm[i] ; |
| 828 |
|
if (!sample_origin(p, orig_dir[0], orig_dir[1], samp2[0])) |
| 829 |
|
return(0); |
| 830 |
< |
if (fwrite(orig_dir, sizeof(FVECT), 2, fp) != 2) |
| 830 |
> |
if (putbinary(orig_dir, sizeof(FVECT), 2, fp) != 2) |
| 831 |
|
return(0); |
| 832 |
|
} |
| 833 |
|
return(1); |
| 842 |
|
fputs(": no sender surface!\n", stderr); |
| 843 |
|
return(-1); |
| 844 |
|
} |
| 845 |
< |
if (curparams.outfn != NULL) /* misplaced output file spec. */ |
| 845 |
> |
/* misplaced output file spec. */ |
| 846 |
> |
if ((curparams.outfn != NULL) & (verbose >= 0)) |
| 847 |
|
fprintf(stderr, "%s: warning - ignoring output file in sender ('%s')\n", |
| 848 |
|
progname, curparams.outfn); |
| 849 |
|
/* check/set basis hemisphere */ |
| 857 |
|
fputs(": undefined normal for sender sampling\n", stderr); |
| 858 |
|
return(-1); |
| 859 |
|
} |
| 860 |
< |
if (normalize(curparams.vup) == 0) |
| 860 |
> |
if (normalize(curparams.vup) == 0) { |
| 861 |
|
if (fabs(curparams.nrm[2]) < .7) |
| 862 |
|
curparams.vup[2] = 1; |
| 863 |
|
else |
| 864 |
|
curparams.vup[1] = 1; |
| 865 |
< |
VCROSS(curparams.udir, curparams.vup, curparams.nrm); |
| 865 |
> |
} |
| 866 |
> |
fcross(curparams.udir, curparams.vup, curparams.nrm); |
| 867 |
|
if (normalize(curparams.udir) == 0) { |
| 868 |
|
fputs(progname, stderr); |
| 869 |
|
fputs(": up vector coincides with sender normal\n", stderr); |
| 870 |
|
return(-1); |
| 871 |
|
} |
| 872 |
< |
VCROSS(curparams.vdir, curparams.nrm, curparams.udir); |
| 873 |
< |
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') |
| 872 |
> |
fcross(curparams.vdir, curparams.nrm, curparams.udir); |
| 873 |
> |
if (curparams.sign == '-') { /* left-handed coordinate system? */ |
| 874 |
> |
curparams.udir[0] *= -1.; |
| 875 |
> |
curparams.udir[1] *= -1.; |
| 876 |
> |
curparams.udir[2] *= -1.; |
| 877 |
> |
} |
| 878 |
> |
if ((tolower(curparams.hemis[0]) == 'u') | (curparams.hemis[0] == '1')) |
| 879 |
|
curparams.sample_basis = sample_uniform; |
| 880 |
|
else if (tolower(curparams.hemis[0]) == 's' && |
| 881 |
|
tolower(curparams.hemis[1]) == 'c') |
| 954 |
|
snew = (SURF *)malloc(sizeof(SURF) + sizeof(double)*(n-1)); |
| 955 |
|
if (snew == NULL) { |
| 956 |
|
fputs(progname, stderr); |
| 957 |
< |
fputs(": out of memory!\n", stderr); |
| 957 |
> |
fputs(": out of memory in add_surface!\n", stderr); |
| 958 |
|
exit(1); |
| 959 |
|
} |
| 960 |
|
strncpy(snew->sname, oname, sizeof(snew->sname)-1); |
| 999 |
|
snew->area *= PI*snew->area; |
| 1000 |
|
break; |
| 1001 |
|
} |
| 1002 |
< |
if (snew->area <= FTINY) { |
| 1002 |
> |
if ((snew->area <= FTINY) & (verbose >= 0)) { |
| 1003 |
|
fprintf(stderr, "%s: warning - zero area for surface '%s'\n", |
| 1004 |
|
progname, oname); |
| 1005 |
|
free(snew); |
| 1057 |
|
/* else skip arguments */ |
| 1058 |
|
if (!fscanf(fp, "%d", &n)) return(0); |
| 1059 |
|
while (n-- > 0) fscanf(fp, "%*s"); |
| 1060 |
< |
if (!fscanf(fp, "%d", &n)) return; |
| 1060 |
> |
if (!fscanf(fp, "%d", &n)) return(0); |
| 1061 |
|
while (n-- > 0) fscanf(fp, "%*d"); |
| 1062 |
< |
if (!fscanf(fp, "%d", &n)) return; |
| 1062 |
> |
if (!fscanf(fp, "%d", &n)) return(0); |
| 1063 |
|
while (n-- > 0) fscanf(fp, "%*f"); |
| 1064 |
|
return(0); |
| 1065 |
|
} |
| 1069 |
|
add_send_object(FILE *fp) |
| 1070 |
|
{ |
| 1071 |
|
int st; |
| 1072 |
< |
char otype[32], oname[128]; |
| 1072 |
> |
char thismod[128], otype[32], oname[128]; |
| 1073 |
|
int n; |
| 1074 |
|
|
| 1075 |
< |
if (fscanf(fp, "%*s %s %s", otype, oname) != 2) |
| 1075 |
> |
if (fscanf(fp, "%s %s %s", thismod, otype, oname) != 3) |
| 1076 |
|
return(0); /* must have hit EOF! */ |
| 1077 |
|
if (!strcmp(otype, "alias")) { |
| 1078 |
|
fscanf(fp, "%*s"); /* skip alias */ |
| 1085 |
|
fputs(": cannot use source as a sender!\n", stderr); |
| 1086 |
|
return(-1); |
| 1087 |
|
} |
| 1088 |
+ |
if (strcmp(thismod, curmod)) { |
| 1089 |
+ |
if (curmod[0]) { |
| 1090 |
+ |
fputs(progname, stderr); |
| 1091 |
+ |
fputs(": warning - multiple modifiers in sender\n", |
| 1092 |
+ |
stderr); |
| 1093 |
+ |
} |
| 1094 |
+ |
strcpy(curmod, thismod); |
| 1095 |
+ |
} |
| 1096 |
|
parse_params(&curparams, newparams); |
| 1097 |
|
newparams[0] = '\0'; |
| 1098 |
|
add_surface(st, oname, fp); /* read & store surface */ |
| 1101 |
|
/* else skip arguments */ |
| 1102 |
|
if (!fscanf(fp, "%d", &n)) return(0); |
| 1103 |
|
while (n-- > 0) fscanf(fp, "%*s"); |
| 1104 |
< |
if (!fscanf(fp, "%d", &n)) return; |
| 1104 |
> |
if (!fscanf(fp, "%d", &n)) return(0); |
| 1105 |
|
while (n-- > 0) fscanf(fp, "%*d"); |
| 1106 |
< |
if (!fscanf(fp, "%d", &n)) return; |
| 1106 |
> |
if (!fscanf(fp, "%d", &n)) return(0); |
| 1107 |
|
while (n-- > 0) fscanf(fp, "%*f"); |
| 1108 |
|
return(0); |
| 1109 |
|
} |
| 1146 |
|
strcat(newparams, inpbuf); |
| 1147 |
|
continue; |
| 1148 |
|
} |
| 1149 |
< |
while ((c = getc(fp)) != EOF && c != '\n'); |
| 1149 |
> |
while ((c = getc(fp)) != EOF && c != '\n') |
| 1150 |
|
; /* else skipping comment */ |
| 1151 |
|
continue; |
| 1152 |
|
} |
| 1171 |
|
{ |
| 1172 |
|
char fmtopt[6] = "-faa"; /* default output is ASCII */ |
| 1173 |
|
char *xrs=NULL, *yrs=NULL, *ldopt=NULL; |
| 1174 |
< |
int wantIrradiance = 0; |
| 1174 |
> |
char *iropt = NULL; |
| 1175 |
|
char *sendfn; |
| 1176 |
|
char sampcntbuf[32], nsbinbuf[32]; |
| 1177 |
|
FILE *rcfp; |
| 1179 |
|
int a, i; |
| 1180 |
|
/* screen rcontrib options */ |
| 1181 |
|
progname = argv[0]; |
| 1182 |
< |
for (a = 1; a < argc-2 && argv[a][0] == '-'; a++) { |
| 1183 |
< |
int na = 1; /* !! Keep consistent !! */ |
| 1184 |
< |
switch (argv[a][1]) { |
| 1182 |
> |
for (a = 1; a < argc-2; a++) { |
| 1183 |
> |
int na; |
| 1184 |
> |
/* check for argument expansion */ |
| 1185 |
> |
while ((na = expandarg(&argc, &argv, a)) > 0) |
| 1186 |
> |
; |
| 1187 |
> |
if (na < 0) { |
| 1188 |
> |
fprintf(stderr, "%s: cannot expand '%s'\n", |
| 1189 |
> |
progname, argv[a]); |
| 1190 |
> |
return(1); |
| 1191 |
> |
} |
| 1192 |
> |
if (argv[a][0] != '-' || !argv[a][1]) |
| 1193 |
> |
break; |
| 1194 |
> |
na = 1; |
| 1195 |
> |
switch (argv[a][1]) { /* !! Keep consistent !! */ |
| 1196 |
|
case 'v': /* verbose mode */ |
| 1197 |
< |
verbose = !verbose; |
| 1197 |
> |
verbose = 1; |
| 1198 |
|
na = 0; |
| 1199 |
|
continue; |
| 1200 |
|
case 'f': /* special case for -fo, -ff, etc. */ |
| 1231 |
|
na = 0; /* we re-add this later */ |
| 1232 |
|
continue; |
| 1233 |
|
case 'I': /* only for pass-through mode */ |
| 1234 |
< |
wantIrradiance = 1; |
| 1234 |
> |
case 'i': |
| 1235 |
> |
iropt = argv[a]; |
| 1236 |
|
na = 0; |
| 1237 |
|
continue; |
| 1238 |
< |
case 'V': /* options without arguments */ |
| 1239 |
< |
case 'w': |
| 1238 |
> |
case 'w': /* options without arguments */ |
| 1239 |
> |
if (argv[a][2] != '+') verbose = -1; |
| 1240 |
> |
case 'V': |
| 1241 |
|
case 'u': |
| 1230 |
– |
case 'i': |
| 1242 |
|
case 'h': |
| 1243 |
|
case 'r': |
| 1244 |
|
break; |
| 1262 |
|
if (argv[a][2] != 'v') na = 2; |
| 1263 |
|
break; |
| 1264 |
|
case 'a': /* special case */ |
| 1265 |
< |
na = (argv[a][2] == 'v') ? 4 : 2; |
| 1265 |
> |
if (argv[a][2] == 'p') { |
| 1266 |
> |
na = 2; /* photon map [+ bandwidth(s)] */ |
| 1267 |
> |
if (a < argc-3 && atoi(argv[a+1]) > 0) |
| 1268 |
> |
na += 1 + (a < argc-4 && atoi(argv[a+2]) > 0); |
| 1269 |
> |
} else |
| 1270 |
> |
na = (argv[a][2] == 'v') ? 4 : 2; |
| 1271 |
|
break; |
| 1272 |
|
case 'm': /* special case */ |
| 1273 |
|
if (!argv[a][2]) goto userr; |
| 1274 |
|
na = (argv[a][2] == 'e') | (argv[a][2] == 'a') ? 4 : 2; |
| 1275 |
|
break; |
| 1260 |
– |
case '\0': /* pass-through mode */ |
| 1261 |
– |
goto done_opts; |
| 1276 |
|
default: /* anything else is verbotten */ |
| 1277 |
|
goto userr; |
| 1278 |
|
} |
| 1282 |
|
while (--na) /* + arguments if any */ |
| 1283 |
|
rcarg[nrcargs++] = argv[++a]; |
| 1284 |
|
} |
| 1271 |
– |
done_opts: |
| 1285 |
|
if (a > argc-2) |
| 1286 |
|
goto userr; /* check at end of options */ |
| 1287 |
|
sendfn = argv[a++]; /* assign sender & receiver inputs */ |
| 1288 |
|
if (sendfn[0] == '-') { /* user wants pass-through mode? */ |
| 1289 |
|
if (sendfn[1]) goto userr; |
| 1290 |
|
sendfn = NULL; |
| 1291 |
< |
if (wantIrradiance) { |
| 1291 |
> |
if (iropt) { |
| 1292 |
|
CHECKARGC(1); |
| 1293 |
< |
rcarg[nrcargs++] = "-I"; |
| 1293 |
> |
rcarg[nrcargs++] = iropt; |
| 1294 |
|
} |
| 1295 |
|
if (xrs) { |
| 1296 |
|
CHECKARGC(2); |
| 1308 |
|
} |
| 1309 |
|
if (sampcnt <= 0) sampcnt = 1; |
| 1310 |
|
} else { /* else in sampling mode */ |
| 1311 |
< |
if (wantIrradiance) { |
| 1311 |
> |
if (iropt) { |
| 1312 |
|
fputs(progname, stderr); |
| 1313 |
< |
fputs(": -I supported for pass-through only\n", stderr); |
| 1313 |
> |
fputs(": -i, -I supported for pass-through only\n", stderr); |
| 1314 |
|
return(1); |
| 1315 |
|
} |
| 1316 |
< |
fmtopt[2] = (sizeof(RREAL)==sizeof(double)) ? 'd' : 'f'; |
| 1316 |
> |
#ifdef SMLFLT |
| 1317 |
> |
fmtopt[2] = 'f'; |
| 1318 |
> |
#else |
| 1319 |
> |
fmtopt[2] = 'd'; |
| 1320 |
> |
#endif |
| 1321 |
|
if (sampcnt <= 0) sampcnt = 10000; |
| 1322 |
|
} |
| 1323 |
|
sprintf(sampcntbuf, "%d", sampcnt); |
| 1336 |
|
return(my_exec(rcarg)); /* rcontrib does everything */ |
| 1337 |
|
} |
| 1338 |
|
clear_params(&curparams, 0); /* else load sender surface & params */ |
| 1339 |
+ |
curmod[0] = '\0'; |
| 1340 |
|
if (load_scene(sendfn, add_send_object) < 0) |
| 1341 |
|
return(1); |
| 1342 |
|
if ((nsbins = prepare_sampler()) <= 0) |
| 1354 |
|
#ifdef getc_unlocked |
| 1355 |
|
flockfile(rcfp); |
| 1356 |
|
#endif |
| 1357 |
< |
if (verbose) { |
| 1357 |
> |
if (verbose > 0) { |
| 1358 |
|
fprintf(stderr, "%s: sampling %d directions", progname, nsbins); |
| 1359 |
|
if (curparams.nsurfs > 1) |
| 1360 |
|
fprintf(stderr, " (%d elements)\n", curparams.nsurfs); |
| 1364 |
|
for (i = 0; i < nsbins; i++) /* send rcontrib ray samples */ |
| 1365 |
|
if (!(*curparams.sample_basis)(&curparams, i, rcfp)) |
| 1366 |
|
return(1); |
| 1367 |
< |
return(pclose(rcfp) == 0); /* all finished! */ |
| 1367 |
> |
return(pclose(rcfp) < 0); /* all finished! */ |
| 1368 |
|
userr: |
| 1369 |
|
if (a < argc-2) |
| 1370 |
|
fprintf(stderr, "%s: unsupported option '%s'", progname, argv[a]); |
| 1371 |
< |
fprintf(stderr, "Usage: %s [-v][rcontrib options] sender.rad receiver.rad [system.rad ..]\n", |
| 1371 |
> |
fprintf(stderr, "Usage: %s [-v][rcontrib options] sender.rad receiver.rad [-i system.oct] [system.rad ..]\n", |
| 1372 |
|
progname); |
| 1373 |
|
return(1); |
| 1374 |
|
} |