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#include "copyright.h" |
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#include <ctype.h> |
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#include "rcontrib.h" |
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#include "otypes.h" |
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#include "source.h" |
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int ndims = 0; /* number of sampling dimensions */ |
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int samplendx = 0; /* index for this sample */ |
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|
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static void trace_contrib(RAY *r); /* our trace callback */ |
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void (*trace)() = trace_contrib; |
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void (*trace)() = NULL; /* trace call (NULL before rcinit) */ |
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|
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int do_irrad = 0; /* compute irradiance? */ |
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|
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int rand_samp = 1; /* pure Monte Carlo sampling? */ |
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|
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double dstrsrc = 0.9; /* square source distribution */ |
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double shadthresh = .03; /* shadow threshold */ |
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double shadthresh = 0.; /* shadow threshold */ |
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double shadcert = .75; /* shadow certainty */ |
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int directrelay = 3; /* number of source relays */ |
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int vspretest = 512; /* virtual source pretest density */ |
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double seccg = 0.; /* global scattering eccentricity */ |
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double ssampdist = 0.; /* scatter sampling distance */ |
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|
43 |
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double specthresh = .15; /* specular sampling threshold */ |
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double specthresh = .02; /* specular sampling threshold */ |
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double specjitter = 1.; /* specular sampling jitter */ |
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|
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int backvis = 1; /* back face visibility */ |
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char *ambfile = NULL; /* ambient file name */ |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
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int ambvwt = 0; /* initial weight for ambient value */ |
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double ambacc = 0; /* ambient accuracy */ |
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> |
double ambacc = 0.; /* ambient accuracy */ |
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int ambres = 256; /* ambient resolution */ |
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int ambdiv = 350; /* ambient divisions */ |
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int ambssamp = 0; /* ambient super-samples */ |
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RNUMBER lastray = 0; /* last ray number sent */ |
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RNUMBER lastdone = 0; /* last ray output */ |
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|
69 |
+ |
static void trace_contrib(RAY *r); /* our trace callback */ |
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+ |
|
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static void mcfree(void *p) { epfree((*(MODCONT *)p).binv); free(p); } |
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|
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LUTAB modconttab = LU_SINIT(NULL,mcfree); /* modifier lookup table */ |
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sprintf(errmsg, "duplicate modifier '%s'", modn); |
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error(USER, errmsg); |
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} |
105 |
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if (nmods >= MAXMODLIST) |
106 |
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error(INTERNAL, "too many modifiers"); |
105 |
> |
if (nmods >= MAXMODLIST) { |
106 |
> |
sprintf(errmsg, "too many modifiers (%d limit)", MAXMODLIST); |
107 |
> |
error(INTERNAL, errmsg); |
108 |
> |
} |
109 |
> |
if (!strcmp(modn, VOIDID)) { |
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> |
sprintf(errmsg, "cannot track '%s' modifier", VOIDID); |
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> |
error(USER, errmsg); |
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} |
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modname[nmods++] = modn; /* XXX assumes static string */ |
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lep->key = modn; /* XXX assumes static string */ |
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if (binv == NULL) |
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error(SYSTEM, "out of memory in addmodifier"); |
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mp->outspec = outf; /* XXX assumes static string */ |
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mp->modname = modn; /* XXX assumes static string */ |
137 |
< |
mp->params = prms; |
137 |
> |
mp->params = prms; /* XXX assumes static string */ |
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mp->binv = ebinv; |
139 |
+ |
mp->bin0 = 0; |
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mp->nbins = bincnt; |
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memset(mp->cbin, 0, sizeof(DCOLOR)*bincnt); |
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/* allocate output streams */ |
143 |
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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 |
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/* allocate other output streams */ |
146 |
> |
for (i = 0; ++i < mp->nbins; ) |
147 |
> |
getostream(mp->outspec, mp->modname, mp->bin0+i, 1); |
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lep->data = (char *)mp; |
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return(mp); |
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} |
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char *mname[MAXMODLIST]; |
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int i; |
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/* find the file & store strings */ |
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if (wordfile(mname, getpath(fname, getrlibpath(), R_OK)) < 0) { |
160 |
> |
i = wordfile(mname, MAXMODLIST, getpath(fname, getrlibpath(), R_OK)); |
161 |
> |
if (i < 0) { |
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sprintf(errmsg, "cannot find modifier file '%s'", fname); |
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error(SYSTEM, errmsg); |
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} |
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if (i >= MAXMODLIST-1) { |
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sprintf(errmsg, "too many modifiers (%d limit) in file '%s'", |
167 |
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MAXMODLIST-1, fname); |
168 |
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error(INTERNAL, errmsg); |
169 |
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} |
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for (i = 0; mname[i]; i++) /* add each one */ |
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addmodifier(mname[i], outf, prms, binv, bincnt); |
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} |
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/* Initialize our process(es) */ |
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static void |
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rcinit() |
188 |
> |
rcinit(void) |
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{ |
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int i; |
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/* set shared memory boundary */ |
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shm_boundary = strcpy((char *)malloc(16), "SHM_BOUNDARY"); |
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} |
200 |
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trace = trace_contrib; /* set up trace call-back */ |
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for (i = 0; i < nsources; i++) /* tracing to sources as well */ |
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source[i].sflags |= SFOLLOW; |
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if (yres > 0) { /* set up flushing & ray counts */ |
232 |
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|
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/************************** MAIN CALCULATION PROCESS ***********************/ |
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218 |
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/* Set parameters for current bin evaluation */ |
219 |
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static void |
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set_eparams(char *prms) |
221 |
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{ |
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char vname[64]; |
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double value; |
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char *cps, *cpd; |
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/* assign each variable */ |
226 |
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for (cps = prms; *cps; cps++) { |
227 |
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if (isspace(*cps)) |
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continue; |
229 |
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if (!isalpha(*cps)) |
230 |
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goto bad_params; |
231 |
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cpd = vname; |
232 |
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while (*cps && (*cps != '=') & !isspace(*cps)) { |
233 |
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if (!isid(*cps)) |
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goto bad_params; |
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*cpd++ = *cps++; |
236 |
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} |
237 |
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if (cpd == vname) |
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goto bad_params; |
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*cpd = '\0'; |
240 |
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while (isspace(*cps)) cps++; |
241 |
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if (*cps++ != '=') |
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goto bad_params; |
243 |
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value = atof(cps); |
244 |
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if ((cps = fskip(cps)) == NULL) |
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goto bad_params; |
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while (isspace(*cps)) cps++; |
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cps += (*cps == ',') | (*cps == ';'); |
248 |
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varset(vname, '=', value); |
249 |
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} |
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return; |
251 |
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bad_params: |
252 |
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sprintf(errmsg, "bad parameter list '%s'", prms); |
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error(USER, errmsg); |
254 |
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} |
255 |
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|
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/* Our trace call to sum contributions */ |
236 |
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static void |
237 |
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trace_contrib(RAY *r) |
238 |
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{ |
260 |
– |
static char *last_params = NULL; |
239 |
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MODCONT *mp; |
240 |
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double bval; |
241 |
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int bn; |
252 |
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if (mp == NULL) /* not in our list? */ |
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return; |
254 |
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|
255 |
< |
worldfunc(RCCONTEXT, r); /* else get bin number */ |
256 |
< |
if (mp->params != last_params) |
257 |
< |
set_eparams(last_params = (char *)mp->params); |
258 |
< |
if ((bval = evalue(mp->binv)) <= -.5) |
281 |
< |
return; /* silently ignore */ |
255 |
> |
worldfunc(RCCONTEXT, r); /* else set context */ |
256 |
> |
set_eparams((char *)mp->params); |
257 |
> |
if ((bval = evalue(mp->binv)) <= -.5) /* and get bin number */ |
258 |
> |
return; /* silently ignore negatives */ |
259 |
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if ((bn = (int)(bval + .5)) >= mp->nbins) { |
260 |
< |
error(WARNING, "bad bin number (ignored)"); |
260 |
> |
sprintf(errmsg, "bad bin number (%d ignored)", bn); |
261 |
> |
error(WARNING, errmsg); |
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return; |
263 |
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} |
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raycontrib(contr, r, PRIMARY); /* compute coefficient */ |
281 |
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thisray.rmax = 0.0; |
282 |
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rayorigin(&thisray, PRIMARY, NULL, NULL); |
283 |
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/* pretend we hit surface */ |
284 |
< |
thisray.rt = thisray.rot = 1e-5; |
284 |
> |
thisray.rxt = thisray.rot = 1e-5; |
285 |
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thisray.rod = 1.0; |
286 |
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VCOPY(thisray.ron, dir); |
287 |
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VSUM(thisray.rop, org, dir, 1e-4); |
307 |
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308 |
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/* Accumulate and/or output ray contributions (child or only process) */ |
309 |
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static void |
310 |
< |
done_contrib() |
310 |
> |
done_contrib(void) |
311 |
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{ |
312 |
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MODCONT *mp; |
313 |
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int i; |
328 |
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329 |
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/* Principal calculation loop (called by main) */ |
330 |
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void |
331 |
< |
rcontrib() |
331 |
> |
rcontrib(void) |
332 |
|
{ |
333 |
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static int ignore_warning_given = 0; |
334 |
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FVECT orig, direc; |