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 |
– |
#define MAXRCARG 512 |
27 |
– |
|
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 |
< |
while (ac-- > 0) { |
144 |
< |
strcpy(cp, *av++); |
145 |
< |
while (*cp) cp++; |
146 |
< |
*cp++ = ' '; |
147 |
< |
if (cp >= oconvbuf+(sizeof(oconvbuf)-32)) |
143 |
> |
if (verbose < 0) { /* turn off warnings */ |
144 |
> |
strcpy(cp, "-w "); |
145 |
> |
cp += 4; |
146 |
> |
} |
147 |
> |
while (ac-- > 0) { /* copy each argument */ |
148 |
> |
int len = strlen(*av); |
149 |
> |
if (cp+len+4 >= oconvbuf+sizeof(oconvbuf)) |
150 |
|
goto overrun; |
151 |
+ |
if (matchany(*av, SPECIALS)) { |
152 |
+ |
*cp++ = QUOTCHAR; |
153 |
+ |
strcpy(cp, *av++); |
154 |
+ |
cp += len; |
155 |
+ |
*cp++ = QUOTCHAR; |
156 |
+ |
} else { |
157 |
+ |
strcpy(cp, *av++); |
158 |
+ |
cp += len; |
159 |
+ |
} |
160 |
+ |
*cp++ = ' '; |
161 |
|
} |
162 |
|
/* receiver goes last */ |
163 |
|
if (matchany(recv, SPECIALS)) { |
195 |
|
return(popen(cmd, mode)); |
196 |
|
} |
197 |
|
|
198 |
< |
#ifdef _WIN32 |
198 |
> |
#if defined(_WIN32) || defined(_WIN64) |
199 |
|
/* Execute system command (Windows version) */ |
200 |
|
static int |
201 |
|
my_exec(char *av[]) |
393 |
|
curparams.vup[1] = 1; |
394 |
|
} |
395 |
|
/* determine sample type/bin */ |
396 |
< |
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') { |
396 |
> |
if ((tolower(curparams.hemis[0]) == 'u') | (curparams.hemis[0] == '1')) { |
397 |
|
sprintf(sbuf, "if(-Dx*%g-Dy*%g-Dz*%g,0,-1)", |
398 |
|
curparams.nrm[0], curparams.nrm[1], curparams.nrm[2]); |
399 |
|
binv = savqstr(sbuf); |
616 |
|
sp->priv = (void *)ptp; |
617 |
|
} |
618 |
|
/* pick triangle by partial area */ |
619 |
< |
for (i = 0; i < ptp->ntris && x > ptp->tri[i].afrac; i++) |
619 |
> |
for (i = 0; i < ptp->ntris-1 && x > ptp->tri[i].afrac; i++) |
620 |
|
x -= ptp->tri[i].afrac; |
621 |
|
SDmultiSamp(samp2, 2, x/ptp->tri[i].afrac); |
622 |
|
samp2[0] *= samp2[1] = sqrt(samp2[1]); |
657 |
|
if (p->nsurfs > nall) { /* (re)allocate surface area cache */ |
658 |
|
if (projsa) free(projsa); |
659 |
|
projsa = (double *)malloc(sizeof(double)*p->nsurfs); |
660 |
< |
if (!projsa) return(0); |
660 |
> |
if (projsa == NULL) { |
661 |
> |
fputs(progname, stderr); |
662 |
> |
fputs(": out of memory in sample_origin!\n", stderr); |
663 |
> |
exit(1); |
664 |
> |
} |
665 |
|
nall = p->nsurfs; |
666 |
|
} |
667 |
|
/* compute projected areas */ |
669 |
|
projsa[i] = -DOT(sp->snrm, rdir) * sp->area; |
670 |
|
tarea += projsa[i] *= (double)(projsa[i] > FTINY); |
671 |
|
} |
672 |
< |
if (tarea <= FTINY) { /* wrong side of sender? */ |
672 |
> |
if (tarea < 0) { /* wrong side of sender? */ |
673 |
|
fputs(progname, stderr); |
674 |
|
fputs(": internal - sample behind all sender elements!\n", |
675 |
|
stderr); |
704 |
|
duvw[2]*p->nrm[i] ; |
705 |
|
if (!sample_origin(p, orig_dir[0], orig_dir[1], samp3[0])) |
706 |
|
return(0); |
707 |
< |
if (fwrite(orig_dir, sizeof(FVECT), 2, fp) != 2) |
707 |
> |
if (putbinary(orig_dir, sizeof(FVECT), 2, fp) != 2) |
708 |
|
return(0); |
709 |
|
} |
710 |
|
return(1); |
734 |
|
duvw[2]*p->nrm[i] ; |
735 |
|
if (!sample_origin(p, orig_dir[0], orig_dir[1], samp3[0])) |
736 |
|
return(0); |
737 |
< |
if (fwrite(orig_dir, sizeof(FVECT), 2, fp) != 2) |
737 |
> |
if (putbinary(orig_dir, sizeof(FVECT), 2, fp) != 2) |
738 |
|
return(0); |
739 |
|
} |
740 |
|
return(1); |
770 |
|
} |
771 |
|
while (n--) { /* stratified sampling */ |
772 |
|
SDmultiSamp(samp3, 3, (n+frandom())/sampcnt); |
773 |
+ |
if (row >= RowMax-1) /* avoid crowding at zenith */ |
774 |
+ |
samp3[1] *= samp3[1]; |
775 |
|
alt = (row+samp3[1])*RAH; |
776 |
|
azi = (2.*PI)*(col+samp3[2]-.5)/rnaz(row); |
777 |
|
duvw[2] = cos(alt); /* measured from horizon */ |
778 |
|
duvw[0] = tsin(azi)*duvw[2]; |
779 |
< |
duvw[1] = tcos(azi)*duvw[2]; |
779 |
> |
duvw[1] = -tcos(azi)*duvw[2]; |
780 |
|
duvw[2] = sqrt(1. - duvw[2]*duvw[2]); |
781 |
|
for (i = 3; i--; ) |
782 |
|
orig_dir[1][i] = -duvw[0]*p->udir[i] - |
784 |
|
duvw[2]*p->nrm[i] ; |
785 |
|
if (!sample_origin(p, orig_dir[0], orig_dir[1], samp3[0])) |
786 |
|
return(0); |
787 |
< |
if (fwrite(orig_dir, sizeof(FVECT), 2, fp) != 2) |
787 |
> |
if (putbinary(orig_dir, sizeof(FVECT), 2, fp) != 2) |
788 |
|
return(0); |
789 |
|
} |
790 |
|
return(1); |
835 |
|
duvw[2]*p->nrm[i] ; |
836 |
|
if (!sample_origin(p, orig_dir[0], orig_dir[1], samp2[0])) |
837 |
|
return(0); |
838 |
< |
if (fwrite(orig_dir, sizeof(FVECT), 2, fp) != 2) |
838 |
> |
if (putbinary(orig_dir, sizeof(FVECT), 2, fp) != 2) |
839 |
|
return(0); |
840 |
|
} |
841 |
|
return(1); |
883 |
|
curparams.udir[1] *= -1.; |
884 |
|
curparams.udir[2] *= -1.; |
885 |
|
} |
886 |
< |
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') |
886 |
> |
if ((tolower(curparams.hemis[0]) == 'u') | (curparams.hemis[0] == '1')) |
887 |
|
curparams.sample_basis = sample_uniform; |
888 |
|
else if (tolower(curparams.hemis[0]) == 's' && |
889 |
|
tolower(curparams.hemis[1]) == 'c') |
962 |
|
snew = (SURF *)malloc(sizeof(SURF) + sizeof(double)*(n-1)); |
963 |
|
if (snew == NULL) { |
964 |
|
fputs(progname, stderr); |
965 |
< |
fputs(": out of memory!\n", stderr); |
965 |
> |
fputs(": out of memory in add_surface!\n", stderr); |
966 |
|
exit(1); |
967 |
|
} |
968 |
|
strncpy(snew->sname, oname, sizeof(snew->sname)-1); |
1244 |
|
na = 0; |
1245 |
|
continue; |
1246 |
|
case 'w': /* options without arguments */ |
1247 |
< |
if (argv[a][2] != '+') verbose = -1; |
1247 |
> |
if (!argv[a][2] || strchr("+1tTyY", argv[a][2]) == NULL) |
1248 |
> |
verbose = -1; |
1249 |
> |
break; |
1250 |
|
case 'V': |
1251 |
|
case 'u': |
1252 |
|
case 'h': |
1323 |
|
fputs(": -i, -I supported for pass-through only\n", stderr); |
1324 |
|
return(1); |
1325 |
|
} |
1326 |
< |
fmtopt[2] = (sizeof(RREAL)==sizeof(double)) ? 'd' : 'f'; |
1326 |
> |
#ifdef SMLFLT |
1327 |
> |
fmtopt[2] = 'f'; |
1328 |
> |
#else |
1329 |
> |
fmtopt[2] = 'd'; |
1330 |
> |
#endif |
1331 |
|
if (sampcnt <= 0) sampcnt = 10000; |
1332 |
|
} |
1333 |
|
sprintf(sampcntbuf, "%d", sampcnt); |