14 |
|
struct source *curlist = NULL; /* current source list */ |
15 |
|
struct source *donelist = NULL; /* finished sources */ |
16 |
|
|
17 |
+ |
static struct srcspan * newspan(int l, int r, int v, float *sb); |
18 |
+ |
static struct srcspan * newspan(int l, int r, int v, float *sb); |
19 |
+ |
static void addindirect(int h, int v, double br); |
20 |
+ |
static void addsrcspan(struct srcspan *nss); |
21 |
+ |
static void mergesource(struct source *sp, struct source *ap); |
22 |
+ |
static void close_sources(int v); |
23 |
+ |
static void close_allsrcs(void); |
24 |
+ |
static struct srcspan * splitspan(register struct srcspan *sso, double h, double v, double m); |
25 |
+ |
static struct source * splitsource(struct source *so); |
26 |
+ |
static void donesource(register struct source *sp); |
27 |
+ |
static struct source * findbuddy(register struct source *s, register struct source *l); |
28 |
+ |
static void absorb(register struct source *s); |
29 |
+ |
static void freespans(struct source *sp); |
30 |
|
|
31 |
< |
struct srcspan * |
32 |
< |
newspan(l, r, v, sb) /* allocate a new source span */ |
33 |
< |
int l, r, v; |
34 |
< |
float *sb; |
31 |
> |
|
32 |
> |
static struct srcspan * |
33 |
> |
newspan( /* allocate a new source span */ |
34 |
> |
int l, |
35 |
> |
int r, |
36 |
> |
int v, |
37 |
> |
float *sb |
38 |
> |
) |
39 |
|
{ |
40 |
|
register struct srcspan *ss; |
41 |
|
register int i; |
53 |
|
} |
54 |
|
|
55 |
|
|
56 |
< |
analyze() /* analyze our scene */ |
56 |
> |
extern void |
57 |
> |
analyze(void) /* analyze our scene */ |
58 |
|
{ |
59 |
|
int h, v; |
60 |
|
int left; |
101 |
|
} |
102 |
|
|
103 |
|
|
104 |
< |
addindirect(h, v, br) /* add brightness to indirect illuminances */ |
105 |
< |
int h, v; |
106 |
< |
double br; |
104 |
> |
static void |
105 |
> |
addindirect( /* add brightness to indirect illuminances */ |
106 |
> |
int h, |
107 |
> |
int v, |
108 |
> |
double br |
109 |
> |
) |
110 |
|
{ |
111 |
|
double tanb, d; |
112 |
|
int hl; |
152 |
|
} |
153 |
|
|
154 |
|
|
155 |
< |
comp_thresh() /* compute glare threshold */ |
155 |
> |
extern void |
156 |
> |
comp_thresh(void) /* compute glare threshold */ |
157 |
|
{ |
158 |
|
int h, v; |
159 |
|
int nsamps; |
192 |
|
} |
193 |
|
|
194 |
|
|
195 |
< |
addsrcspan(nss) /* add new source span to our list */ |
196 |
< |
struct srcspan *nss; |
195 |
> |
static void |
196 |
> |
addsrcspan( /* add new source span to our list */ |
197 |
> |
struct srcspan *nss |
198 |
> |
) |
199 |
|
{ |
200 |
|
struct source *last, *cs, *this; |
201 |
|
register struct srcspan *ss; |
232 |
|
} |
233 |
|
|
234 |
|
|
235 |
< |
mergesource(sp, ap) /* merge source ap into source sp */ |
236 |
< |
struct source *sp, *ap; |
235 |
> |
static void |
236 |
> |
mergesource( /* merge source ap into source sp */ |
237 |
> |
struct source *sp, |
238 |
> |
struct source *ap |
239 |
> |
) |
240 |
|
{ |
241 |
|
struct srcspan head; |
242 |
|
register struct srcspan *alp, *prev, *tp; |
269 |
|
} |
270 |
|
|
271 |
|
|
272 |
< |
close_sources(v) /* close sources above v */ |
273 |
< |
int v; |
272 |
> |
static void |
273 |
> |
close_sources( /* close sources above v */ |
274 |
> |
int v |
275 |
> |
) |
276 |
|
{ |
277 |
|
struct source head; |
278 |
|
register struct source *last, *this; |
290 |
|
} |
291 |
|
|
292 |
|
|
293 |
< |
close_allsrcs() /* done with everything */ |
293 |
> |
static void |
294 |
> |
close_allsrcs(void) /* done with everything */ |
295 |
|
{ |
296 |
|
register struct source *this, *next; |
297 |
|
|
305 |
|
} |
306 |
|
|
307 |
|
|
308 |
< |
struct srcspan * |
309 |
< |
splitspan(sso, h, v, m) /* divide source span at point */ |
310 |
< |
register struct srcspan *sso; |
311 |
< |
double h, v, m; |
308 |
> |
static struct srcspan * |
309 |
> |
splitspan( /* divide source span at point */ |
310 |
> |
register struct srcspan *sso, |
311 |
> |
double h, |
312 |
> |
double v, |
313 |
> |
double m |
314 |
> |
) |
315 |
|
{ |
316 |
|
register struct srcspan *ssn; |
317 |
|
double d; |
336 |
|
} |
337 |
|
|
338 |
|
|
339 |
< |
struct source * |
340 |
< |
splitsource(so) /* divide source in two if it's big and long */ |
341 |
< |
struct source *so; |
339 |
> |
static struct source * |
340 |
> |
splitsource( /* divide source in two if it's big and long */ |
341 |
> |
struct source *so |
342 |
> |
) |
343 |
|
{ |
344 |
|
LRSUM lr; |
345 |
|
LRLIN fit; |
389 |
|
} |
390 |
|
|
391 |
|
|
392 |
< |
donesource(sp) /* finished with this source */ |
393 |
< |
register struct source *sp; |
392 |
> |
static void |
393 |
> |
donesource( /* finished with this source */ |
394 |
> |
register struct source *sp |
395 |
> |
) |
396 |
|
{ |
397 |
|
struct source *newsrc; |
398 |
|
register struct srcspan *ss; |
432 |
|
} |
433 |
|
|
434 |
|
|
435 |
< |
struct source * |
436 |
< |
findbuddy(s, l) /* find close enough source to s in l*/ |
437 |
< |
register struct source *s, *l; |
435 |
> |
static struct source * |
436 |
> |
findbuddy( /* find close enough source to s in l*/ |
437 |
> |
register struct source *s, |
438 |
> |
register struct source *l |
439 |
> |
) |
440 |
|
{ |
441 |
|
struct source *bestbuddy = NULL; |
442 |
|
double d, r, mindist = MAXBUDDY; |
453 |
|
} |
454 |
|
|
455 |
|
|
456 |
< |
absorb_specks() /* eliminate too-small sources */ |
456 |
> |
extern void |
457 |
> |
absorb_specks(void) /* eliminate too-small sources */ |
458 |
|
{ |
459 |
|
struct source head, *buddy; |
460 |
|
register struct source *last, *this; |
478 |
|
} |
479 |
|
|
480 |
|
|
481 |
< |
absorb(s) /* absorb a source into indirect */ |
482 |
< |
register struct source *s; |
481 |
> |
static void |
482 |
> |
absorb( /* absorb a source into indirect */ |
483 |
> |
register struct source *s |
484 |
> |
) |
485 |
|
{ |
486 |
|
FVECT dir; |
487 |
|
double d; |
500 |
|
} |
501 |
|
|
502 |
|
|
503 |
< |
freespans(sp) /* free spans associated with source */ |
504 |
< |
struct source *sp; |
503 |
> |
static void |
504 |
> |
freespans( /* free spans associated with source */ |
505 |
> |
struct source *sp |
506 |
> |
) |
507 |
|
{ |
508 |
|
register struct srcspan *ss; |
509 |
|
|