29 |
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#include "source.h" |
30 |
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#include "otypes.h" |
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#include "resolu.h" |
32 |
+ |
#include "random.h" |
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|
34 |
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CUBE thescene; /* our scene */ |
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OBJECT nsceneobjs; /* number of objects in our scene */ |
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|
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int do_irrad = 0; /* compute irradiance? */ |
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|
50 |
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int rand_samp = 1; /* pure Monte Carlo sampling? */ |
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|
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void (*trace)() = NULL; /* trace call */ |
53 |
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|
54 |
< |
char *tralist[128]; /* list of modifers to trace (or no) */ |
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> |
#ifndef MAXMODLIST |
55 |
> |
#define MAXMODLIST 1024 /* maximum modifiers we'll track */ |
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> |
#endif |
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> |
|
58 |
> |
char *tralist[MAXMODLIST]; /* list of modifers to trace (or no) */ |
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int traincl = -1; /* include == 1, exclude == 0 */ |
60 |
< |
#define MAXTSET 511 /* maximum number in trace set */ |
60 |
> |
#ifndef MAXTSET |
61 |
> |
#define MAXTSET 8191 /* maximum number in trace set */ |
62 |
> |
#endif |
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OBJECT traset[MAXTSET+1]={0}; /* trace include/exclude set */ |
64 |
|
|
65 |
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int hresolu = 0; /* horizontal (scan) size */ |
83 |
|
|
84 |
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int backvis = 1; /* back face visibility */ |
85 |
|
|
86 |
< |
int maxdepth = 8; /* maximum recursion depth */ |
86 |
> |
int maxdepth = -10; /* maximum recursion depth */ |
87 |
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double minweight = 2e-3; /* minimum ray weight */ |
88 |
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|
89 |
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char *ambfile = NULL; /* ambient file name */ |
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static putf_t puta, putd, putf; |
106 |
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|
107 |
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typedef void oputf_t(RAY *r); |
108 |
< |
static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, oputp, |
108 |
> |
static oputf_t oputo, oputd, oputv, oputV, oputl, oputL, oputc, oputp, |
109 |
|
oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
110 |
|
|
111 |
|
static void setoutput(char *vs); |
157 |
|
char *fname |
158 |
|
) |
159 |
|
{ |
160 |
< |
long vcount = hresolu>1 ? hresolu*vresolu : vresolu; |
160 |
> |
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
161 |
> |
: vresolu; |
162 |
|
long nextflush = hresolu; |
163 |
|
FILE *fp; |
164 |
|
double d; |
197 |
|
d = normalize(direc); |
198 |
|
if (d == 0.0) { /* zero ==> flush */ |
199 |
|
bogusray(); |
200 |
< |
if (--nextflush <= 0 || vcount <= 0) { |
200 |
> |
if (--nextflush <= 0 || !vcount) { |
201 |
|
fflush(stdout); |
202 |
|
nextflush = hresolu; |
203 |
|
} |
209 |
|
else |
210 |
|
rad(orig, direc, lim_dist ? d : 0.0); |
211 |
|
/* flush if time */ |
212 |
< |
if (--nextflush == 0) { |
212 |
> |
if (!--nextflush) { |
213 |
|
fflush(stdout); |
214 |
|
nextflush = hresolu; |
215 |
|
} |
216 |
|
} |
217 |
|
if (ferror(stdout)) |
218 |
|
error(SYSTEM, "write error"); |
219 |
< |
if (--vcount == 0) /* check for end */ |
219 |
> |
if (vcount && !--vcount) /* check for end */ |
220 |
|
break; |
221 |
|
} |
222 |
< |
fflush(stdout); |
223 |
< |
if (vcount > 0) |
222 |
> |
if (fflush(stdout) < 0) |
223 |
> |
error(SYSTEM, "write error"); |
224 |
> |
if (vcount) |
225 |
|
error(USER, "unexpected EOF on input"); |
226 |
|
if (fname != NULL) |
227 |
|
fclose(fp); |
269 |
|
*table++ = oputv; |
270 |
|
castonly = 0; |
271 |
|
break; |
272 |
+ |
case 'V': /* contribution */ |
273 |
+ |
*table++ = oputV; |
274 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
275 |
+ |
error(WARNING, |
276 |
+ |
"-otV accuracy depends on -aa 0 -as 0"); |
277 |
+ |
break; |
278 |
|
case 'l': /* effective distance */ |
279 |
|
*table++ = oputl; |
280 |
|
castonly = 0; |
542 |
|
|
543 |
|
|
544 |
|
static void |
545 |
+ |
oputV( /* print value contribution */ |
546 |
+ |
RAY *r |
547 |
+ |
) |
548 |
+ |
{ |
549 |
+ |
double contr[3]; |
550 |
+ |
|
551 |
+ |
raycontrib(contr, r, PRIMARY); |
552 |
+ |
multcolor(contr, r->rcol); |
553 |
+ |
(*putreal)(contr[RED]); |
554 |
+ |
(*putreal)(contr[GRN]); |
555 |
+ |
(*putreal)(contr[BLU]); |
556 |
+ |
} |
557 |
+ |
|
558 |
+ |
|
559 |
+ |
static void |
560 |
|
oputl( /* print effective distance */ |
561 |
|
RAY *r |
562 |
|
) |
661 |
|
|
662 |
|
|
663 |
|
static void |
664 |
< |
oputW( /* print contribution */ |
664 |
> |
oputW( /* print coefficient */ |
665 |
|
RAY *r |
666 |
|
) |
667 |
|
{ |
668 |
< |
COLOR contr; |
668 |
> |
double contr[3]; |
669 |
|
|
670 |
|
raycontrib(contr, r, PRIMARY); |
671 |
< |
(*putreal)(colval(contr,RED)); |
672 |
< |
(*putreal)(colval(contr,GRN)); |
673 |
< |
(*putreal)(colval(contr,BLU)); |
671 |
> |
(*putreal)(contr[RED]); |
672 |
> |
(*putreal)(contr[GRN]); |
673 |
> |
(*putreal)(contr[BLU]); |
674 |
|
} |
675 |
|
|
676 |
|
|