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 */ |
102 |
|
sprintf(errmsg, "duplicate modifier '%s'", modn); |
103 |
|
error(USER, errmsg); |
104 |
|
} |
104 |
– |
if (nmods >= MAXMODLIST) |
105 |
– |
error(INTERNAL, "too many modifiers"); |
105 |
|
if (!strcmp(modn, VOIDID)) { |
106 |
|
sprintf(errmsg, "cannot track '%s' modifier", VOIDID); |
107 |
|
error(USER, errmsg); |
108 |
|
} |
109 |
+ |
if (nmods >= modasiz) { /* need bigger modifier array */ |
110 |
+ |
modasiz += modasiz/3 + 64; |
111 |
+ |
if (modname == NULL) |
112 |
+ |
modname = (char **)malloc(modasiz*sizeof(char *)); |
113 |
+ |
else |
114 |
+ |
modname = (char **)realloc(modname, modasiz*sizeof(char *)); |
115 |
+ |
if (modname == NULL) |
116 |
+ |
error(SYSTEM, "Out of memory in addmodifier()"); |
117 |
+ |
} |
118 |
|
modname[nmods++] = modn; /* XXX assumes static string */ |
119 |
|
lep->key = modn; /* XXX assumes static string */ |
120 |
|
if (binv == NULL) |
139 |
|
error(SYSTEM, "out of memory in addmodifier"); |
140 |
|
mp->outspec = outf; /* XXX assumes static string */ |
141 |
|
mp->modname = modn; /* XXX assumes static string */ |
142 |
< |
mp->params = prms; |
142 |
> |
mp->params = prms; /* XXX assumes static string */ |
143 |
|
mp->binv = ebinv; |
144 |
+ |
mp->bin0 = 0; |
145 |
|
mp->nbins = bincnt; |
146 |
|
memset(mp->cbin, 0, sizeof(DCOLOR)*bincnt); |
147 |
< |
/* 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 |
|
lep->data = (char *)mp; |
154 |
|
return(mp); |
155 |
|
} |
159 |
|
void |
160 |
|
addmodfile(char *fname, char *outf, char *prms, char *binv, int bincnt) |
161 |
|
{ |
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 |
> |
sprintf(errmsg, "cannot load modifier file '%s'", |
168 |
> |
path != NULL ? path : fname); |
169 |
|
error(SYSTEM, errmsg); |
170 |
|
} |
171 |
< |
for (i = 0; mname[i]; i++) /* add each one */ |
172 |
< |
addmodifier(mname[i], outf, prms, binv, bincnt); |
171 |
> |
while (fgetword(mod, sizeof(mod), fp) != NULL) |
172 |
> |
addmodifier(mod, outf, prms, binv, bincnt); |
173 |
> |
fclose(fp); |
174 |
|
} |
175 |
|
|
176 |
|
|
177 |
+ |
/* Check if we have any more rays left (and report progress) */ |
178 |
+ |
int |
179 |
+ |
morays(void) |
180 |
+ |
{ |
181 |
+ |
static RNUMBER total_rays; |
182 |
+ |
static time_t tstart, last_report; |
183 |
+ |
time_t tnow; |
184 |
+ |
|
185 |
+ |
if (!raysleft) |
186 |
+ |
return(1); /* unknown total, so nothing to do or say */ |
187 |
+ |
|
188 |
+ |
if (report_intvl > 0 && (tnow = time(0)) >= last_report+report_intvl) { |
189 |
+ |
if (!total_rays) { |
190 |
+ |
total_rays = raysleft; |
191 |
+ |
tstart = tnow; |
192 |
+ |
} else { |
193 |
+ |
sprintf(errmsg, "%.2f%% done after %.3f hours\n", |
194 |
+ |
100.-100.*raysleft/total_rays, |
195 |
+ |
(1./3600.)*(tnow - tstart)); |
196 |
+ |
eputs(errmsg); |
197 |
+ |
} |
198 |
+ |
last_report = tnow; |
199 |
+ |
} |
200 |
+ |
return(--raysleft); |
201 |
+ |
} |
202 |
+ |
|
203 |
+ |
|
204 |
+ |
/* Quit program */ |
205 |
|
void |
206 |
< |
quit( /* quit program */ |
206 |
> |
quit( |
207 |
|
int code |
208 |
|
) |
209 |
|
{ |
210 |
|
if (nchild > 0) /* close children if any */ |
211 |
|
end_children(code != 0); |
212 |
+ |
else if (nchild < 0) |
213 |
+ |
_exit(code); /* avoid flush() in child */ |
214 |
|
exit(code); |
215 |
|
} |
216 |
|
|
217 |
|
|
218 |
|
/* Initialize our process(es) */ |
219 |
|
static void |
220 |
< |
rcinit() |
220 |
> |
rcinit(void) |
221 |
|
{ |
222 |
|
int i; |
223 |
|
|
229 |
|
/* set shared memory boundary */ |
230 |
|
shm_boundary = strcpy((char *)malloc(16), "SHM_BOUNDARY"); |
231 |
|
} |
232 |
+ |
trace = trace_contrib; /* set up trace call-back */ |
233 |
|
for (i = 0; i < nsources; i++) /* tracing to sources as well */ |
234 |
|
source[i].sflags |= SFOLLOW; |
235 |
|
if (yres > 0) { /* set up flushing & ray counts */ |
313 |
|
thisray.rmax = 0.0; |
314 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
315 |
|
/* pretend we hit surface */ |
316 |
< |
thisray.rt = thisray.rot = 1e-5; |
316 |
> |
thisray.rxt = thisray.rot = 1e-5; |
317 |
|
thisray.rod = 1.0; |
318 |
|
VCOPY(thisray.ron, dir); |
319 |
|
VSUM(thisray.rop, org, dir, 1e-4); |
339 |
|
|
340 |
|
/* Accumulate and/or output ray contributions (child or only process) */ |
341 |
|
static void |
342 |
< |
done_contrib() |
342 |
> |
done_contrib(void) |
343 |
|
{ |
344 |
|
MODCONT *mp; |
345 |
|
int i; |
360 |
|
|
361 |
|
/* Principal calculation loop (called by main) */ |
362 |
|
void |
363 |
< |
rcontrib() |
363 |
> |
rcontrib(void) |
364 |
|
{ |
365 |
|
static int ignore_warning_given = 0; |
366 |
|
FVECT orig, direc; |
394 |
|
} |
395 |
|
done_contrib(); /* accumulate/output */ |
396 |
|
++lastdone; |
397 |
< |
if (raysleft && !--raysleft) |
397 |
> |
if (!morays()) |
398 |
|
break; /* preemptive EOI */ |
399 |
|
} |
400 |
|
if (nchild != -1 && (accumulate <= 0) | (account < accumulate)) { |