| 11 |
|
#include <stdlib.h> |
| 12 |
|
#include "rtio.h" |
| 13 |
|
#include "rtmath.h" |
| 14 |
< |
#include "rtprocess.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 |
| 23 |
< |
#define getc getc_unlocked |
| 21 |
> |
#ifndef MAXRCARG |
| 22 |
> |
#define MAXRCARG 10000 |
| 23 |
|
#endif |
| 24 |
|
|
| 26 |
– |
#ifdef _WIN32 |
| 27 |
– |
#define SPECIALS " \t\"$*?" |
| 28 |
– |
#define QUOTCHAR '"' |
| 29 |
– |
#else |
| 30 |
– |
#define SPECIALS " \t\n'\"()${}*?[];|&" |
| 31 |
– |
#define QUOTCHAR '\'' |
| 32 |
– |
#define ALTQUOT '"' |
| 33 |
– |
#endif |
| 34 |
– |
|
| 35 |
– |
#define MAXRCARG 512 |
| 36 |
– |
|
| 25 |
|
char *progname; /* global argv[0] */ |
| 26 |
|
|
| 27 |
|
int verbose = 0; /* verbose mode (< 0 no warnings) */ |
| 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 */ |
| 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) { |
| 148 |
|
strcpy(cp, *av++); |
| 149 |
|
while (*cp) cp++; |
| 150 |
|
*cp++ = ' '; |
| 151 |
< |
if (cp >= oconvbuf+(sizeof(oconvbuf)-32)) { |
| 152 |
< |
fputs(progname, stderr); |
| 161 |
< |
fputs(": too many file arguments!\n", stderr); |
| 162 |
< |
exit(1); |
| 163 |
< |
} |
| 151 |
> |
if (cp >= oconvbuf+(sizeof(oconvbuf)-32)) |
| 152 |
> |
goto overrun; |
| 153 |
|
} |
| 154 |
< |
strcpy(cp, recv); /* receiver goes last */ |
| 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 |
|
|
| 169 |
– |
/* Check if any of the characters in str2 are found in str1 */ |
| 170 |
– |
static int |
| 171 |
– |
matchany(const char *str1, const char *str2) |
| 172 |
– |
{ |
| 173 |
– |
while (*str1) { |
| 174 |
– |
const char *cp = str2; |
| 175 |
– |
while (*cp) |
| 176 |
– |
if (*cp++ == *str1) |
| 177 |
– |
return(*str1); |
| 178 |
– |
++str1; |
| 179 |
– |
} |
| 180 |
– |
return(0); |
| 181 |
– |
} |
| 182 |
– |
|
| 183 |
– |
|
| 184 |
– |
/* Convert a set of arguments into a command line for pipe() or system() */ |
| 185 |
– |
static char * |
| 186 |
– |
convert_commandline(char *cmd, const int len, char *av[]) |
| 187 |
– |
{ |
| 188 |
– |
int match; |
| 189 |
– |
char *cp; |
| 190 |
– |
|
| 191 |
– |
for (cp = cmd; *av != NULL; av++) { |
| 192 |
– |
const int n = strlen(*av); |
| 193 |
– |
if (cp+n >= cmd+(len-3)) { |
| 194 |
– |
fputs(progname, stderr); |
| 195 |
– |
return(NULL); |
| 196 |
– |
} |
| 197 |
– |
if ((match = matchany(*av, SPECIALS))) { |
| 198 |
– |
const int quote = |
| 199 |
– |
#ifdef ALTQUOT |
| 200 |
– |
(match == QUOTCHAR) ? ALTQUOT : |
| 201 |
– |
#endif |
| 202 |
– |
QUOTCHAR; |
| 203 |
– |
*cp++ = quote; |
| 204 |
– |
strcpy(cp, *av); |
| 205 |
– |
cp += n; |
| 206 |
– |
*cp++ = quote; |
| 207 |
– |
} else { |
| 208 |
– |
strcpy(cp, *av); |
| 209 |
– |
cp += n; |
| 210 |
– |
} |
| 211 |
– |
*cp++ = ' '; |
| 212 |
– |
} |
| 213 |
– |
if (cp <= cmd) |
| 214 |
– |
return(NULL); |
| 215 |
– |
*--cp = '\0'; |
| 216 |
– |
return(cmd); |
| 217 |
– |
} |
| 218 |
– |
|
| 173 |
|
/* Open a pipe to/from a command given as an argument list */ |
| 174 |
|
static FILE * |
| 175 |
|
popen_arglist(char *av[], char *mode) |
| 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[]) |
| 272 |
|
{ |
| 273 |
|
char *cp = pargs; |
| 274 |
|
int nparams = 0; |
| 275 |
+ |
int quot; |
| 276 |
|
int i; |
| 277 |
|
|
| 278 |
|
for ( ; ; ) { |
| 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 ' ': |
| 385 |
|
curparams.vup[1] = 1; |
| 386 |
|
} |
| 387 |
|
/* determine sample type/bin */ |
| 388 |
< |
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') { |
| 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); |
| 494 |
|
{ |
| 495 |
|
int i; |
| 496 |
|
|
| 497 |
< |
if (!getperpendicular(uva[0], nrm)) { |
| 497 |
> |
if (!getperpendicular(uva[0], nrm, 1)) { |
| 498 |
|
fputs(progname, stderr); |
| 499 |
|
fputs(": bad surface normal in make_axes!\n", stderr); |
| 500 |
|
exit(1); |
| 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] = tsin(azi)*duvw[2]; |
| 771 |
< |
duvw[1] = tcos(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 (!fi_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] - |
| 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); |
| 875 |
|
curparams.udir[1] *= -1.; |
| 876 |
|
curparams.udir[2] *= -1.; |
| 877 |
|
} |
| 878 |
< |
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') |
| 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); |
| 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; |
| 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); |