14 |
|
struct source *curlist = NULL; /* current source list */ |
15 |
|
struct source *donelist = NULL; /* finished sources */ |
16 |
|
|
17 |
+ |
void pict_stats(void); |
18 |
|
|
19 |
< |
struct srcspan * |
20 |
< |
newspan(l, r, v, sb) /* allocate a new source span */ |
21 |
< |
int l, r, v; |
22 |
< |
float *sb; |
19 |
> |
static struct srcspan * newspan(int l, int r, int v, float *sb); |
20 |
> |
static struct srcspan * newspan(int l, int r, int v, float *sb); |
21 |
> |
static void addindirect(int h, int v, double br); |
22 |
> |
static void addsrcspan(struct srcspan *nss); |
23 |
> |
static void mergesource(struct source *sp, struct source *ap); |
24 |
> |
static void close_sources(int v); |
25 |
> |
static void close_allsrcs(void); |
26 |
> |
static struct srcspan * splitspan(register struct srcspan *sso, double h, double v, double m); |
27 |
> |
static struct source * splitsource(struct source *so); |
28 |
> |
static void donesource(register struct source *sp); |
29 |
> |
static struct source * findbuddy(register struct source *s, register struct source *l); |
30 |
> |
static void absorb(register struct source *s); |
31 |
> |
static void freespans(struct source *sp); |
32 |
> |
|
33 |
> |
|
34 |
> |
static struct srcspan * |
35 |
> |
newspan( /* allocate a new source span */ |
36 |
> |
int l, |
37 |
> |
int r, |
38 |
> |
int v, |
39 |
> |
float *sb |
40 |
> |
) |
41 |
|
{ |
42 |
|
register struct srcspan *ss; |
43 |
|
register int i; |
55 |
|
} |
56 |
|
|
57 |
|
|
58 |
< |
analyze() /* analyze our scene */ |
58 |
> |
extern void |
59 |
> |
analyze(void) /* analyze our scene */ |
60 |
|
{ |
61 |
|
int h, v; |
62 |
|
int left; |
103 |
|
} |
104 |
|
|
105 |
|
|
106 |
< |
addindirect(h, v, br) /* add brightness to indirect illuminances */ |
107 |
< |
int h, v; |
108 |
< |
double br; |
106 |
> |
static void |
107 |
> |
addindirect( /* add brightness to indirect illuminances */ |
108 |
> |
int h, |
109 |
> |
int v, |
110 |
> |
double br |
111 |
> |
) |
112 |
|
{ |
113 |
|
double tanb, d; |
114 |
|
int hl; |
154 |
|
} |
155 |
|
|
156 |
|
|
157 |
< |
comp_thresh() /* compute glare threshold */ |
157 |
> |
extern void |
158 |
> |
comp_thresh(void) /* compute glare threshold */ |
159 |
|
{ |
160 |
|
int h, v; |
161 |
|
int nsamps; |
194 |
|
} |
195 |
|
|
196 |
|
|
197 |
< |
addsrcspan(nss) /* add new source span to our list */ |
198 |
< |
struct srcspan *nss; |
197 |
> |
static void |
198 |
> |
addsrcspan( /* add new source span to our list */ |
199 |
> |
struct srcspan *nss |
200 |
> |
) |
201 |
|
{ |
202 |
|
struct source *last, *cs, *this; |
203 |
|
register struct srcspan *ss; |
234 |
|
} |
235 |
|
|
236 |
|
|
237 |
< |
mergesource(sp, ap) /* merge source ap into source sp */ |
238 |
< |
struct source *sp, *ap; |
237 |
> |
static void |
238 |
> |
mergesource( /* merge source ap into source sp */ |
239 |
> |
struct source *sp, |
240 |
> |
struct source *ap |
241 |
> |
) |
242 |
|
{ |
243 |
|
struct srcspan head; |
244 |
|
register struct srcspan *alp, *prev, *tp; |
271 |
|
} |
272 |
|
|
273 |
|
|
274 |
< |
close_sources(v) /* close sources above v */ |
275 |
< |
int v; |
274 |
> |
static void |
275 |
> |
close_sources( /* close sources above v */ |
276 |
> |
int v |
277 |
> |
) |
278 |
|
{ |
279 |
|
struct source head; |
280 |
|
register struct source *last, *this; |
292 |
|
} |
293 |
|
|
294 |
|
|
295 |
< |
close_allsrcs() /* done with everything */ |
295 |
> |
static void |
296 |
> |
close_allsrcs(void) /* done with everything */ |
297 |
|
{ |
298 |
|
register struct source *this, *next; |
299 |
|
|
307 |
|
} |
308 |
|
|
309 |
|
|
310 |
< |
struct srcspan * |
311 |
< |
splitspan(sso, h, v, m) /* divide source span at point */ |
312 |
< |
register struct srcspan *sso; |
313 |
< |
double h, v, m; |
310 |
> |
static struct srcspan * |
311 |
> |
splitspan( /* divide source span at point */ |
312 |
> |
register struct srcspan *sso, |
313 |
> |
double h, |
314 |
> |
double v, |
315 |
> |
double m |
316 |
> |
) |
317 |
|
{ |
318 |
|
register struct srcspan *ssn; |
319 |
|
double d; |
338 |
|
} |
339 |
|
|
340 |
|
|
341 |
< |
struct source * |
342 |
< |
splitsource(so) /* divide source in two if it's big and long */ |
343 |
< |
struct source *so; |
341 |
> |
static struct source * |
342 |
> |
splitsource( /* divide source in two if it's big and long */ |
343 |
> |
struct source *so |
344 |
> |
) |
345 |
|
{ |
346 |
|
LRSUM lr; |
347 |
|
LRLIN fit; |
391 |
|
} |
392 |
|
|
393 |
|
|
394 |
< |
donesource(sp) /* finished with this source */ |
395 |
< |
register struct source *sp; |
394 |
> |
static void |
395 |
> |
donesource( /* finished with this source */ |
396 |
> |
register struct source *sp |
397 |
> |
) |
398 |
|
{ |
399 |
|
struct source *newsrc; |
400 |
|
register struct srcspan *ss; |
434 |
|
} |
435 |
|
|
436 |
|
|
437 |
< |
struct source * |
438 |
< |
findbuddy(s, l) /* find close enough source to s in l*/ |
439 |
< |
register struct source *s, *l; |
437 |
> |
static struct source * |
438 |
> |
findbuddy( /* find close enough source to s in l*/ |
439 |
> |
register struct source *s, |
440 |
> |
register struct source *l |
441 |
> |
) |
442 |
|
{ |
443 |
|
struct source *bestbuddy = NULL; |
444 |
|
double d, r, mindist = MAXBUDDY; |
455 |
|
} |
456 |
|
|
457 |
|
|
458 |
< |
absorb_specks() /* eliminate too-small sources */ |
458 |
> |
extern void |
459 |
> |
absorb_specks(void) /* eliminate too-small sources */ |
460 |
|
{ |
461 |
|
struct source head, *buddy; |
462 |
|
register struct source *last, *this; |
480 |
|
} |
481 |
|
|
482 |
|
|
483 |
< |
absorb(s) /* absorb a source into indirect */ |
484 |
< |
register struct source *s; |
483 |
> |
static void |
484 |
> |
absorb( /* absorb a source into indirect */ |
485 |
> |
register struct source *s |
486 |
> |
) |
487 |
|
{ |
488 |
|
FVECT dir; |
489 |
|
double d; |
502 |
|
} |
503 |
|
|
504 |
|
|
505 |
< |
freespans(sp) /* free spans associated with source */ |
506 |
< |
struct source *sp; |
505 |
> |
static void |
506 |
> |
freespans( /* free spans associated with source */ |
507 |
> |
struct source *sp |
508 |
> |
) |
509 |
|
{ |
510 |
|
register struct srcspan *ss; |
511 |
|
|