74 |
|
m->otype == MAT_SPOT ? 7 : 3)) |
75 |
|
objerror(m, USER, "bad # arguments"); |
76 |
|
|
77 |
< |
if (m->oargs.farg[0] <= FTINY && m->oargs.farg[1] <= FTINY && |
78 |
< |
m->oargs.farg[2] <= FTINY) |
77 |
> |
if (m->oargs.farg[0] <= FTINY && (m->oargs.farg[1] <= FTINY) & |
78 |
> |
(m->oargs.farg[2] <= FTINY)) |
79 |
|
continue; /* don't bother */ |
80 |
|
if (m->otype == MAT_GLOW && |
81 |
|
o->otype != OBJ_SOURCE && |
100 |
|
foundsource += (ambounce > 0); |
101 |
|
} |
102 |
|
} else if (m->otype == MAT_SPOT) { |
103 |
+ |
if (source[ns].sflags & SDISTANT) |
104 |
+ |
objerror(o, WARNING, |
105 |
+ |
"distant source is a spotlight"); |
106 |
|
source[ns].sflags |= SSPOT; |
107 |
|
if ((source[ns].sl.s = makespot(m)) == NULL) |
108 |
|
goto memerr; |
131 |
|
maxcntr = nsources + MAXSPART; /* start with this many */ |
132 |
|
srccnt = (CONTRIB *)malloc(maxcntr*sizeof(CONTRIB)); |
133 |
|
cntord = (CNTPTR *)malloc(maxcntr*sizeof(CNTPTR)); |
134 |
< |
if ((srccnt == NULL) | (cntord == NULL)) |
135 |
< |
goto memerr; |
133 |
< |
return; |
134 |
> |
if ((srccnt != NULL) & (cntord != NULL)) |
135 |
> |
return; |
136 |
|
memerr: |
137 |
|
error(SYSTEM, "out of memory in marksources"); |
138 |
|
} |
139 |
|
|
140 |
|
|
141 |
|
void |
142 |
+ |
distantsources(void) /* only mark distant sources */ |
143 |
+ |
{ |
144 |
+ |
int i; |
145 |
+ |
OBJREC *o, *m; |
146 |
+ |
int ns; |
147 |
+ |
/* initialize dispatch table */ |
148 |
+ |
initstypes(); |
149 |
+ |
/* sources needed for sourcehit() */ |
150 |
+ |
for (i = 0; i < nsceneobjs; i++) { |
151 |
+ |
|
152 |
+ |
o = objptr(i); |
153 |
+ |
|
154 |
+ |
if ((o->otype != OBJ_SOURCE) | (o->omod == OVOID)) |
155 |
+ |
continue; |
156 |
+ |
/* find material */ |
157 |
+ |
m = findmaterial(objptr(o->omod)); |
158 |
+ |
if (m == NULL) |
159 |
+ |
continue; |
160 |
+ |
if (!islight(m->otype)) |
161 |
+ |
continue; /* not source modifier */ |
162 |
+ |
|
163 |
+ |
if (m->oargs.nfargs != (m->otype == MAT_GLOW ? 4 : |
164 |
+ |
m->otype == MAT_SPOT ? 7 : 3)) |
165 |
+ |
objerror(m, USER, "bad # arguments"); |
166 |
+ |
|
167 |
+ |
if (m->oargs.farg[0] <= FTINY && (m->oargs.farg[1] <= FTINY) & |
168 |
+ |
(m->oargs.farg[2] <= FTINY)) |
169 |
+ |
continue; /* don't bother */ |
170 |
+ |
if (sfun[o->otype].of == NULL || |
171 |
+ |
sfun[o->otype].of->setsrc == NULL) |
172 |
+ |
objerror(o, USER, "illegal material"); |
173 |
+ |
|
174 |
+ |
if ((ns = newsource()) < 0) |
175 |
+ |
error(SYSTEM, "out of memory in distantsources"); |
176 |
+ |
|
177 |
+ |
setsource(&source[ns], o); |
178 |
+ |
|
179 |
+ |
if (m->otype == MAT_GLOW) { |
180 |
+ |
source[ns].sflags |= SPROX|SSKIP; |
181 |
+ |
source[ns].sl.prox = m->oargs.farg[3]; |
182 |
+ |
} else if (m->otype == MAT_SPOT) |
183 |
+ |
objerror(o, WARNING, "distant source is a spotlight"); |
184 |
+ |
} |
185 |
+ |
} |
186 |
+ |
|
187 |
+ |
|
188 |
+ |
void |
189 |
|
freesources(void) /* free all source structures */ |
190 |
|
{ |
191 |
|
if (nsources > 0) { |
364 |
|
return(0); /* nothing usable */ |
365 |
|
} |
366 |
|
/* |
367 |
< |
* Make assignments. |
367 |
> |
* Assign object index |
368 |
|
*/ |
369 |
|
r->robj = objndx(r->ro); |
321 |
– |
for (i = 0; i < 3; i++) |
322 |
– |
r->ron[i] = -r->rdir[i]; |
323 |
– |
r->rod = 1.0; |
324 |
– |
r->pert[0] = r->pert[1] = r->pert[2] = 0.0; |
325 |
– |
r->uv[0] = r->uv[1] = 0.0; |
326 |
– |
r->rox = NULL; |
370 |
|
return(1); |
371 |
|
} |
372 |
|
|
428 |
|
cntord[sn].sndx = sn; |
429 |
|
scp = srccnt + sn; |
430 |
|
scp->sno = sr.rsrc; |
431 |
< |
/* compute coefficient */ |
389 |
< |
(*f)(scp->coef, p, sr.rdir, si.dom); |
390 |
< |
cntord[sn].brt = intens(scp->coef); |
391 |
< |
if (cntord[sn].brt <= 0.0) |
392 |
< |
continue; |
393 |
< |
#if SHADCACHE |
394 |
< |
/* check shadow cache */ |
431 |
> |
#if SHADCACHE /* check shadow cache */ |
432 |
|
if (si.np == 1 && srcblocked(&sr)) { |
433 |
|
cntord[sn].brt = 0.0; |
434 |
|
continue; |
435 |
|
} |
436 |
|
#endif |
437 |
+ |
/* compute coefficient */ |
438 |
+ |
(*f)(scp->coef, p, sr.rdir, si.dom); |
439 |
+ |
cntord[sn].brt = intens(scp->coef); |
440 |
+ |
if (cntord[sn].brt <= 0.0) |
441 |
+ |
continue; |
442 |
|
VCOPY(scp->dir, sr.rdir); |
443 |
|
copycolor(sr.rcoef, scp->coef); |
444 |
|
/* compute potential */ |
471 |
|
/* compute number to check */ |
472 |
|
nshadcheck = pow((double)ncnts, shadcert) + .5; |
473 |
|
/* modify threshold */ |
474 |
< |
if (ncnts > MINSHADCNT) |
433 |
< |
ourthresh = shadthresh / r->rweight; |
434 |
< |
else |
435 |
< |
ourthresh = 0; |
474 |
> |
ourthresh = shadthresh / r->rweight; |
475 |
|
/* test for shadows */ |
476 |
|
for (nhits = 0, hwt = 0.0, sn = 0; sn < ncnts; |
477 |
|
hwt += (double)source[scp->sno].nhits / |
478 |
|
(double)source[scp->sno].ntests, |
479 |
|
sn++) { |
480 |
|
/* check threshold */ |
481 |
< |
if ((sn+nshadcheck>=ncnts ? cntord[sn].brt : |
481 |
> |
if (sn >= MINSHADCNT && |
482 |
> |
(sn+nshadcheck>=ncnts ? cntord[sn].brt : |
483 |
|
cntord[sn].brt-cntord[sn+nshadcheck].brt) |
484 |
< |
< ourthresh*bright(r->rcol)) |
484 |
> |
< ourthresh*bright(r->rcol)) |
485 |
|
break; |
486 |
|
scp = srccnt + cntord[sn].sndx; |
487 |
|
/* test for hit */ |