50 |
|
double shadcert = .5; /* shadow certainty */ |
51 |
|
int directrelay = 1; /* number of source relays */ |
52 |
|
int vspretest = 512; /* virtual source pretest density */ |
53 |
< |
int directinvis = 0; /* sources invisible? */ |
53 |
> |
int directvis = 1; /* sources visible? */ |
54 |
|
double srcsizerat = .25; /* maximum ratio source size/dist. */ |
55 |
|
|
56 |
|
double specthresh = .15; /* specular sampling threshold */ |
73 |
|
static RAY thisray; /* for our convenience */ |
74 |
|
|
75 |
|
static int oputo(), oputd(), oputv(), oputl(), oputL(), |
76 |
< |
oputp(), oputn(), oputs(), oputw(), oputm(); |
76 |
> |
oputp(), oputn(), oputN(), oputs(), oputw(), oputm(); |
77 |
|
|
78 |
|
static int (*ray_out[10])(), (*every_out[10])(); |
79 |
|
static int castonly; |
86 |
|
quit(code) /* quit program */ |
87 |
|
int code; |
88 |
|
{ |
89 |
+ |
#ifndef NIX |
90 |
+ |
headclean(); /* delete header file */ |
91 |
+ |
pfclean(); /* clean up persist files */ |
92 |
+ |
#endif |
93 |
|
exit(code); |
94 |
|
} |
95 |
|
|
122 |
|
sprintf(errmsg, "cannot open input file \"%s\"", fname); |
123 |
|
error(SYSTEM, errmsg); |
124 |
|
} |
125 |
+ |
#ifdef MSDOS |
126 |
+ |
if (inform != 'a') |
127 |
+ |
setmode(fileno(fp), O_BINARY); |
128 |
+ |
#endif |
129 |
|
/* set up output */ |
130 |
|
setoutput(outvals); |
131 |
|
switch (outform) { |
139 |
|
default: |
140 |
|
error(CONSISTENCY, "botched output format"); |
141 |
|
} |
134 |
– |
fputformat(formstr(outform), stdout); |
135 |
– |
putchar('\n'); |
142 |
|
if (hresolu > 0 && vresolu > 0) |
143 |
|
fprtresolu(hresolu, vresolu, stdout); |
144 |
|
/* process file */ |
206 |
|
case 'p': /* point */ |
207 |
|
*table++ = oputp; |
208 |
|
break; |
209 |
< |
case 'n': /* normal */ |
209 |
> |
case 'n': /* perturbed normal */ |
210 |
|
*table++ = oputn; |
211 |
+ |
castonly = 0; |
212 |
|
break; |
213 |
+ |
case 'N': /* unperturbed normal */ |
214 |
+ |
*table++ = oputN; |
215 |
+ |
break; |
216 |
|
case 's': /* surface */ |
217 |
|
*table++ = oputs; |
218 |
|
break; |
408 |
|
|
409 |
|
|
410 |
|
static |
411 |
< |
oputn(r) /* print normal */ |
411 |
> |
oputN(r) /* print unperturbed normal */ |
412 |
|
register RAY *r; |
413 |
|
{ |
414 |
|
if (r->rot < FHUGE) { |
420 |
|
(*putreal)(0.0); |
421 |
|
(*putreal)(0.0); |
422 |
|
} |
423 |
+ |
} |
424 |
+ |
|
425 |
+ |
|
426 |
+ |
static |
427 |
+ |
oputn(r) /* print perturbed normal */ |
428 |
+ |
RAY *r; |
429 |
+ |
{ |
430 |
+ |
FVECT pnorm; |
431 |
+ |
|
432 |
+ |
if (r->rot >= FHUGE) { |
433 |
+ |
(*putreal)(0.0); |
434 |
+ |
(*putreal)(0.0); |
435 |
+ |
(*putreal)(0.0); |
436 |
+ |
return; |
437 |
+ |
} |
438 |
+ |
raynormal(pnorm, r); |
439 |
+ |
(*putreal)(pnorm[0]); |
440 |
+ |
(*putreal)(pnorm[1]); |
441 |
+ |
(*putreal)(pnorm[2]); |
442 |
|
} |
443 |
|
|
444 |
|
|