8 |
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9 |
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#include "copyright.h" |
10 |
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11 |
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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" |
21 |
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int ndims = 0; /* number of sampling dimensions */ |
22 |
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int samplendx = 0; /* index for this sample */ |
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|
24 |
< |
static void trace_contrib(RAY *r); /* our trace callback */ |
26 |
< |
void (*trace)() = trace_contrib; |
24 |
> |
void (*trace)() = NULL; /* trace call (NULL before rcinit) */ |
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|
26 |
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int do_irrad = 0; /* compute irradiance? */ |
27 |
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|
28 |
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int rand_samp = 1; /* pure Monte Carlo sampling? */ |
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|
30 |
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double dstrsrc = 0.9; /* square source distribution */ |
31 |
< |
double shadthresh = .03; /* shadow threshold */ |
31 |
> |
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 |
< |
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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|
46 |
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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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|
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/************************** INITIALIZATION ROUTINES ***********************/ |
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|
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< |
char * |
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> |
const char * |
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formstr( /* return format identifier */ |
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int f |
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) |
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sprintf(errmsg, "duplicate modifier '%s'", modn); |
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error(USER, errmsg); |
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} |
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if (nmods >= MAXMODLIST) |
106 |
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error(INTERNAL, "too many modifiers"); |
105 |
> |
if (!strcmp(modn, VOIDID)) { |
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> |
sprintf(errmsg, "cannot track '%s' modifier", VOIDID); |
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> |
error(USER, errmsg); |
108 |
> |
} |
109 |
> |
if (nmods >= modasiz) { /* need bigger modifier array */ |
110 |
> |
modasiz += modasiz/2 + 64; |
111 |
> |
if (modname == NULL) |
112 |
> |
modname = (char **)malloc(modasiz*sizeof(char *)); |
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else |
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> |
modname = (char **)realloc(modname, modasiz*sizeof(char *)); |
115 |
> |
if (modname == NULL) |
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> |
error(SYSTEM, "Out of memory in addmodifier()"); |
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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 */ |
120 |
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if (binv == NULL) |
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error(SYSTEM, "out of memory in addmodifier"); |
140 |
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mp->outspec = outf; /* XXX assumes static string */ |
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mp->modname = modn; /* XXX assumes static string */ |
142 |
< |
mp->params = prms; |
142 |
> |
mp->params = prms; /* XXX assumes static string */ |
143 |
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mp->binv = ebinv; |
144 |
+ |
mp->bin0 = 0; |
145 |
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mp->nbins = bincnt; |
146 |
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memset(mp->cbin, 0, sizeof(DCOLOR)*bincnt); |
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/* allocate output streams */ |
148 |
< |
for (i = bincnt; i-- > 0; ) |
149 |
< |
getostream(mp->outspec, mp->modname, i, 1); |
147 |
> |
/* figure out starting bin */ |
148 |
> |
while (!getostream(mp->outspec, mp->modname, mp->bin0, 1)) |
149 |
> |
mp->bin0++; |
150 |
> |
/* allocate other output streams */ |
151 |
> |
for (i = 0; ++i < mp->nbins; ) |
152 |
> |
getostream(mp->outspec, mp->modname, mp->bin0+i, 1); |
153 |
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lep->data = (char *)mp; |
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return(mp); |
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} |
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void |
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addmodfile(char *fname, char *outf, char *prms, char *binv, int bincnt) |
161 |
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{ |
162 |
< |
char *mname[MAXMODLIST]; |
163 |
< |
int i; |
164 |
< |
/* find the file & store strings */ |
165 |
< |
if (wordfile(mname, getpath(fname, getrlibpath(), R_OK)) < 0) { |
166 |
< |
sprintf(errmsg, "cannot find modifier file '%s'", fname); |
162 |
> |
char *path = getpath(fname, getrlibpath(), R_OK); |
163 |
> |
char mod[MAXSTR]; |
164 |
> |
FILE *fp; |
165 |
> |
|
166 |
> |
if (path == NULL || (fp = fopen(path, "r")) == NULL) { |
167 |
> |
if (path == NULL) |
168 |
> |
sprintf(errmsg, "cannot find modifier file '%s'", fname); |
169 |
> |
else |
170 |
> |
sprintf(errmsg, "cannot load modifier file '%s'", path); |
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error(SYSTEM, errmsg); |
172 |
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} |
173 |
< |
for (i = 0; mname[i]; i++) /* add each one */ |
174 |
< |
addmodifier(mname[i], outf, prms, binv, bincnt); |
173 |
> |
while (fgetword(mod, sizeof(mod), fp) != NULL) |
174 |
> |
addmodifier(savqstr(mod), outf, prms, binv, bincnt); |
175 |
> |
fclose(fp); |
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} |
177 |
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|
178 |
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|
179 |
+ |
/* Check if we have any more rays left (and report progress) */ |
180 |
+ |
int |
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+ |
morays(void) |
182 |
+ |
{ |
183 |
+ |
static RNUMBER total_rays; |
184 |
+ |
static time_t tstart, last_report; |
185 |
+ |
time_t tnow; |
186 |
+ |
|
187 |
+ |
if (!raysleft) |
188 |
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return(1); /* unknown total, so nothing to do or say */ |
189 |
+ |
|
190 |
+ |
if (report_intvl > 0 && (tnow = time(0)) >= last_report+report_intvl) { |
191 |
+ |
if (!total_rays) { |
192 |
+ |
total_rays = raysleft; |
193 |
+ |
tstart = tnow; |
194 |
+ |
} else { |
195 |
+ |
sprintf(errmsg, "%.2f%% done after %.3f hours\n", |
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+ |
100.-100.*raysleft/total_rays, |
197 |
+ |
(1./3600.)*(tnow - tstart)); |
198 |
+ |
eputs(errmsg); |
199 |
+ |
} |
200 |
+ |
last_report = tnow; |
201 |
+ |
} |
202 |
+ |
return(--raysleft); |
203 |
+ |
} |
204 |
+ |
|
205 |
+ |
|
206 |
+ |
/* Quit program */ |
207 |
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void |
208 |
< |
quit( /* quit program */ |
208 |
> |
quit( |
209 |
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int code |
210 |
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) |
211 |
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{ |
212 |
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if (nchild > 0) /* close children if any */ |
213 |
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end_children(code != 0); |
214 |
+ |
else if (nchild < 0) |
215 |
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_exit(code); /* avoid flush() in child */ |
216 |
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exit(code); |
217 |
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} |
218 |
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|
219 |
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|
220 |
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/* Initialize our process(es) */ |
221 |
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static void |
222 |
< |
rcinit() |
222 |
> |
rcinit(void) |
223 |
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{ |
224 |
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int i; |
225 |
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|
231 |
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/* set shared memory boundary */ |
232 |
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shm_boundary = strcpy((char *)malloc(16), "SHM_BOUNDARY"); |
233 |
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} |
234 |
+ |
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; |
237 |
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if (yres > 0) { /* set up flushing & ray counts */ |
266 |
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|
267 |
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/************************** MAIN CALCULATION PROCESS ***********************/ |
268 |
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|
218 |
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/* Set parameters for current bin evaluation */ |
219 |
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static void |
220 |
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set_eparams(char *prms) |
221 |
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{ |
222 |
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char vname[64]; |
223 |
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double value; |
224 |
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char *cps, *cpd; |
225 |
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/* assign each variable */ |
226 |
– |
for (cps = prms; *cps; cps++) { |
227 |
– |
if (isspace(*cps)) |
228 |
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continue; |
229 |
– |
if (!isalpha(*cps)) |
230 |
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goto bad_params; |
231 |
– |
cpd = vname; |
232 |
– |
while (*cps && (*cps != '=') & !isspace(*cps)) { |
233 |
– |
if (!isid(*cps)) |
234 |
– |
goto bad_params; |
235 |
– |
*cpd++ = *cps++; |
236 |
– |
} |
237 |
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if (cpd == vname) |
238 |
– |
goto bad_params; |
239 |
– |
*cpd = '\0'; |
240 |
– |
while (isspace(*cps)) cps++; |
241 |
– |
if (*cps++ != '=') |
242 |
– |
goto bad_params; |
243 |
– |
value = atof(cps); |
244 |
– |
if ((cps = fskip(cps)) == NULL) |
245 |
– |
goto bad_params; |
246 |
– |
while (isspace(*cps)) cps++; |
247 |
– |
cps += (*cps == ',') | (*cps == ';'); |
248 |
– |
varset(vname, '=', value); |
249 |
– |
} |
250 |
– |
return; |
251 |
– |
bad_params: |
252 |
– |
sprintf(errmsg, "bad parameter list '%s'", prms); |
253 |
– |
error(USER, errmsg); |
254 |
– |
} |
255 |
– |
|
269 |
|
/* Our trace call to sum contributions */ |
270 |
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static void |
271 |
|
trace_contrib(RAY *r) |
272 |
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{ |
260 |
– |
static char *last_params = NULL; |
273 |
|
MODCONT *mp; |
274 |
|
double bval; |
275 |
|
int bn; |
286 |
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if (mp == NULL) /* not in our list? */ |
287 |
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return; |
288 |
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|
289 |
< |
worldfunc(RCCONTEXT, r); /* else get bin number */ |
290 |
< |
if (mp->params != last_params) |
291 |
< |
set_eparams(last_params = (char *)mp->params); |
292 |
< |
if ((bval = evalue(mp->binv)) <= -.5) |
281 |
< |
return; /* silently ignore */ |
289 |
> |
worldfunc(RCCONTEXT, r); /* else set context */ |
290 |
> |
set_eparams((char *)mp->params); |
291 |
> |
if ((bval = evalue(mp->binv)) <= -.5) /* and get bin number */ |
292 |
> |
return; /* silently ignore negatives */ |
293 |
|
if ((bn = (int)(bval + .5)) >= mp->nbins) { |
294 |
< |
error(WARNING, "bad bin number (ignored)"); |
294 |
> |
sprintf(errmsg, "bad bin number (%d ignored)", bn); |
295 |
> |
error(WARNING, errmsg); |
296 |
|
return; |
297 |
|
} |
298 |
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raycontrib(contr, r, PRIMARY); /* compute coefficient */ |
315 |
|
thisray.rmax = 0.0; |
316 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
317 |
|
/* pretend we hit surface */ |
318 |
< |
thisray.rt = thisray.rot = 1e-5; |
318 |
> |
thisray.rxt = thisray.rot = 1e-5; |
319 |
|
thisray.rod = 1.0; |
320 |
|
VCOPY(thisray.ron, dir); |
321 |
|
VSUM(thisray.rop, org, dir, 1e-4); |
341 |
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|
342 |
|
/* Accumulate and/or output ray contributions (child or only process) */ |
343 |
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static void |
344 |
< |
done_contrib() |
344 |
> |
done_contrib(void) |
345 |
|
{ |
346 |
|
MODCONT *mp; |
347 |
|
int i; |
362 |
|
|
363 |
|
/* Principal calculation loop (called by main) */ |
364 |
|
void |
365 |
< |
rcontrib() |
365 |
> |
rcontrib(void) |
366 |
|
{ |
367 |
|
static int ignore_warning_given = 0; |
368 |
|
FVECT orig, direc; |
396 |
|
} |
397 |
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done_contrib(); /* accumulate/output */ |
398 |
|
++lastdone; |
399 |
< |
if (raysleft && !--raysleft) |
399 |
> |
if (!morays()) |
400 |
|
break; /* preemptive EOI */ |
401 |
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} |
402 |
|
if (nchild != -1 && (accumulate <= 0) | (account < accumulate)) { |