| 21 |
|
int ndims = 0; /* number of sampling dimensions */ |
| 22 |
|
int samplendx = 0; /* index for this sample */ |
| 23 |
|
|
| 24 |
< |
static void trace_contrib(RAY *r); /* our trace callback */ |
| 25 |
< |
void (*trace)() = trace_contrib; |
| 24 |
> |
void (*trace)() = NULL; /* trace call (NULL before rcinit) */ |
| 25 |
|
|
| 26 |
|
int do_irrad = 0; /* compute irradiance? */ |
| 27 |
|
|
| 28 |
|
int rand_samp = 1; /* pure Monte Carlo sampling? */ |
| 29 |
|
|
| 30 |
|
double dstrsrc = 0.9; /* square source distribution */ |
| 31 |
< |
double shadthresh = .03; /* shadow threshold */ |
| 31 |
> |
double shadthresh = 0.; /* shadow threshold */ |
| 32 |
|
double shadcert = .75; /* shadow certainty */ |
| 33 |
|
int directrelay = 3; /* number of source relays */ |
| 34 |
|
int vspretest = 512; /* virtual source pretest density */ |
| 40 |
|
double seccg = 0.; /* global scattering eccentricity */ |
| 41 |
|
double ssampdist = 0.; /* scatter sampling distance */ |
| 42 |
|
|
| 43 |
< |
double specthresh = .15; /* specular sampling threshold */ |
| 43 |
> |
double specthresh = .02; /* specular sampling threshold */ |
| 44 |
|
double specjitter = 1.; /* specular sampling jitter */ |
| 45 |
|
|
| 46 |
|
int backvis = 1; /* back face visibility */ |
| 51 |
|
char *ambfile = NULL; /* ambient file name */ |
| 52 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
| 53 |
|
int ambvwt = 0; /* initial weight for ambient value */ |
| 54 |
< |
double ambacc = 0; /* ambient accuracy */ |
| 54 |
> |
double ambacc = 0.; /* ambient accuracy */ |
| 55 |
|
int ambres = 256; /* ambient resolution */ |
| 56 |
|
int ambdiv = 350; /* ambient divisions */ |
| 57 |
|
int ambssamp = 0; /* ambient super-samples */ |
| 66 |
|
RNUMBER lastray = 0; /* last ray number sent */ |
| 67 |
|
RNUMBER lastdone = 0; /* last ray output */ |
| 68 |
|
|
| 69 |
+ |
static void trace_contrib(RAY *r); /* our trace callback */ |
| 70 |
+ |
|
| 71 |
|
static void mcfree(void *p) { epfree((*(MODCONT *)p).binv); free(p); } |
| 72 |
|
|
| 73 |
|
LUTAB modconttab = LU_SINIT(NULL,mcfree); /* modifier lookup table */ |
| 134 |
|
error(SYSTEM, "out of memory in addmodifier"); |
| 135 |
|
mp->outspec = outf; /* XXX assumes static string */ |
| 136 |
|
mp->modname = modn; /* XXX assumes static string */ |
| 137 |
< |
mp->params = prms; |
| 137 |
> |
mp->params = prms; /* XXX assumes static string */ |
| 138 |
|
mp->binv = ebinv; |
| 139 |
+ |
mp->bin0 = 0; |
| 140 |
|
mp->nbins = bincnt; |
| 141 |
|
memset(mp->cbin, 0, sizeof(DCOLOR)*bincnt); |
| 142 |
< |
/* allocate output streams */ |
| 143 |
< |
for (i = bincnt; i-- > 0; ) |
| 144 |
< |
getostream(mp->outspec, mp->modname, i, 1); |
| 142 |
> |
/* figure out starting bin */ |
| 143 |
> |
while (!getostream(mp->outspec, mp->modname, mp->bin0, 1)) |
| 144 |
> |
mp->bin0++; |
| 145 |
> |
/* allocate other output streams */ |
| 146 |
> |
for (i = 0; ++i < mp->nbins; ) |
| 147 |
> |
getostream(mp->outspec, mp->modname, mp->bin0+i, 1); |
| 148 |
|
lep->data = (char *)mp; |
| 149 |
|
return(mp); |
| 150 |
|
} |
| 172 |
|
} |
| 173 |
|
|
| 174 |
|
|
| 175 |
+ |
/* Check if we have any more rays left (and report progress) */ |
| 176 |
+ |
int |
| 177 |
+ |
morays(void) |
| 178 |
+ |
{ |
| 179 |
+ |
static RNUMBER total_rays; |
| 180 |
+ |
static time_t tstart, last_report; |
| 181 |
+ |
time_t tnow; |
| 182 |
+ |
|
| 183 |
+ |
if (!raysleft) |
| 184 |
+ |
return(1); /* unknown total, so nothing to do or say */ |
| 185 |
+ |
|
| 186 |
+ |
if (report_intvl > 0 && (tnow = time(0)) >= last_report+report_intvl) { |
| 187 |
+ |
if (!total_rays) { |
| 188 |
+ |
total_rays = raysleft; |
| 189 |
+ |
tstart = tnow; |
| 190 |
+ |
} |
| 191 |
+ |
sprintf(errmsg, "%.2f%% done after %.3f hours", |
| 192 |
+ |
100.-100.*raysleft/total_rays, |
| 193 |
+ |
(1./3600.)*(tnow - tstart)); |
| 194 |
+ |
eputs(errmsg); |
| 195 |
+ |
last_report = tnow; |
| 196 |
+ |
} |
| 197 |
+ |
return(--raysleft); |
| 198 |
+ |
} |
| 199 |
+ |
|
| 200 |
+ |
|
| 201 |
+ |
/* Quit program */ |
| 202 |
|
void |
| 203 |
< |
quit( /* quit program */ |
| 203 |
> |
quit( |
| 204 |
|
int code |
| 205 |
|
) |
| 206 |
|
{ |
| 207 |
|
if (nchild > 0) /* close children if any */ |
| 208 |
|
end_children(code != 0); |
| 209 |
+ |
else if (nchild < 0) |
| 210 |
+ |
_exit(code); /* avoid flush() in child */ |
| 211 |
|
exit(code); |
| 212 |
|
} |
| 213 |
|
|
| 214 |
|
|
| 215 |
|
/* Initialize our process(es) */ |
| 216 |
|
static void |
| 217 |
< |
rcinit() |
| 217 |
> |
rcinit(void) |
| 218 |
|
{ |
| 219 |
|
int i; |
| 220 |
|
|
| 226 |
|
/* set shared memory boundary */ |
| 227 |
|
shm_boundary = strcpy((char *)malloc(16), "SHM_BOUNDARY"); |
| 228 |
|
} |
| 229 |
+ |
trace = trace_contrib; /* set up trace call-back */ |
| 230 |
|
for (i = 0; i < nsources; i++) /* tracing to sources as well */ |
| 231 |
|
source[i].sflags |= SFOLLOW; |
| 232 |
|
if (yres > 0) { /* set up flushing & ray counts */ |
| 310 |
|
thisray.rmax = 0.0; |
| 311 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 312 |
|
/* pretend we hit surface */ |
| 313 |
< |
thisray.rt = thisray.rot = 1e-5; |
| 313 |
> |
thisray.rxt = thisray.rot = 1e-5; |
| 314 |
|
thisray.rod = 1.0; |
| 315 |
|
VCOPY(thisray.ron, dir); |
| 316 |
|
VSUM(thisray.rop, org, dir, 1e-4); |
| 336 |
|
|
| 337 |
|
/* Accumulate and/or output ray contributions (child or only process) */ |
| 338 |
|
static void |
| 339 |
< |
done_contrib() |
| 339 |
> |
done_contrib(void) |
| 340 |
|
{ |
| 341 |
|
MODCONT *mp; |
| 342 |
|
int i; |
| 357 |
|
|
| 358 |
|
/* Principal calculation loop (called by main) */ |
| 359 |
|
void |
| 360 |
< |
rcontrib() |
| 360 |
> |
rcontrib(void) |
| 361 |
|
{ |
| 362 |
|
static int ignore_warning_given = 0; |
| 363 |
|
FVECT orig, direc; |
| 391 |
|
} |
| 392 |
|
done_contrib(); /* accumulate/output */ |
| 393 |
|
++lastdone; |
| 394 |
< |
if (raysleft && !--raysleft) |
| 394 |
> |
if (!morays()) |
| 395 |
|
break; /* preemptive EOI */ |
| 396 |
|
} |
| 397 |
|
if (nchild != -1 && (accumulate <= 0) | (account < accumulate)) { |
