1 |
– |
/* Copyright (c) 1991 Regents of the University of California */ |
2 |
– |
|
1 |
|
#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
6 |
– |
|
4 |
|
/* |
5 |
|
* Routines to do the actual calculation for mkillum |
6 |
|
*/ |
7 |
|
|
8 |
< |
#include "mkillum.h" |
8 |
> |
#include <string.h> |
9 |
|
|
10 |
+ |
#include "mkillum.h" |
11 |
|
#include "face.h" |
14 |
– |
|
12 |
|
#include "cone.h" |
16 |
– |
|
13 |
|
#include "random.h" |
14 |
|
|
15 |
+ |
//void o_default(OBJREC *ob, struct illum_args *il, struct rtproc *rt, char *nm); |
16 |
+ |
void o_face(OBJREC *ob, struct illum_args *il, struct rtproc *rt, char *nm); |
17 |
+ |
void o_sphere(OBJREC *ob, struct illum_args *il, struct rtproc *rt, char *nm); |
18 |
+ |
void o_ring(OBJREC *ob, struct illum_args *il, struct rtproc *rt, char *nm); |
19 |
+ |
void raysamp(float res[3], FVECT org, FVECT dir, struct rtproc *rt); |
20 |
+ |
void rayflush(struct rtproc *rt); |
21 |
+ |
void mkaxes(FVECT u, FVECT v, FVECT n); |
22 |
+ |
void rounddir(FVECT dv, double alt, double azi); |
23 |
+ |
void flatdir(FVECT dv, double alt, double azi); |
24 |
|
|
25 |
< |
o_default(ob, il, rt, nm) /* default illum action */ |
26 |
< |
OBJREC *ob; |
27 |
< |
struct illum_args *il; |
28 |
< |
struct rtproc *rt; |
29 |
< |
char *nm; |
25 |
> |
|
26 |
> |
int /* XXX type conflict with otypes.h */ |
27 |
> |
o_default( /* default illum action */ |
28 |
> |
OBJREC *ob, |
29 |
> |
struct illum_args *il, |
30 |
> |
struct rtproc *rt, |
31 |
> |
char *nm |
32 |
> |
) |
33 |
|
{ |
34 |
|
sprintf(errmsg, "(%s): cannot make illum for %s \"%s\"", |
35 |
|
nm, ofun[ob->otype].funame, ob->oname); |
38 |
|
} |
39 |
|
|
40 |
|
|
41 |
< |
o_face(ob, il, rt, nm) /* make an illum face */ |
42 |
< |
OBJREC *ob; |
43 |
< |
struct illum_args *il; |
44 |
< |
struct rtproc *rt; |
45 |
< |
char *nm; |
41 |
> |
void |
42 |
> |
o_face( /* make an illum face */ |
43 |
> |
OBJREC *ob, |
44 |
> |
struct illum_args *il, |
45 |
> |
struct rtproc *rt, |
46 |
> |
char *nm |
47 |
> |
) |
48 |
|
{ |
49 |
|
#define MAXMISS (5*n*il->nsamps) |
50 |
|
int dim[3]; |
128 |
|
objerror(ob, WARNING, "bad aspect"); |
129 |
|
rt->nrays = 0; |
130 |
|
freeface(ob); |
131 |
< |
free((char *)distarr); |
131 |
> |
free((void *)distarr); |
132 |
|
o_default(ob, il, rt, nm); |
133 |
|
return; |
134 |
|
} |
147 |
|
printobj(il->altmat, ob); |
148 |
|
/* clean up */ |
149 |
|
freeface(ob); |
150 |
< |
free((char *)distarr); |
150 |
> |
free((void *)distarr); |
151 |
|
#undef MAXMISS |
152 |
|
} |
153 |
|
|
154 |
|
|
155 |
< |
o_sphere(ob, il, rt, nm) /* make an illum sphere */ |
156 |
< |
register OBJREC *ob; |
157 |
< |
struct illum_args *il; |
158 |
< |
struct rtproc *rt; |
159 |
< |
char *nm; |
155 |
> |
void |
156 |
> |
o_sphere( /* make an illum sphere */ |
157 |
> |
register OBJREC *ob, |
158 |
> |
struct illum_args *il, |
159 |
> |
struct rtproc *rt, |
160 |
> |
char *nm |
161 |
> |
) |
162 |
|
{ |
163 |
|
int dim[3]; |
164 |
|
int n, nalt, nazi; |
175 |
|
nalt = nazi = 1; |
176 |
|
else { |
177 |
|
n = 4.*PI * il->sampdens; |
178 |
< |
nalt = sqrt(n/PI) + .5; |
179 |
< |
nazi = PI*nalt + .5; |
178 |
> |
nalt = sqrt(2./PI*n) + .5; |
179 |
> |
nazi = PI/2.*nalt + .5; |
180 |
|
} |
181 |
|
n = nalt*nazi; |
182 |
|
distarr = (float *)calloc(n, 3*sizeof(float)); |
219 |
|
} else |
220 |
|
printobj(il->altmat, ob); |
221 |
|
/* clean up */ |
222 |
< |
free((char *)distarr); |
222 |
> |
free((void *)distarr); |
223 |
|
} |
224 |
|
|
225 |
|
|
226 |
< |
o_ring(ob, il, rt, nm) /* make an illum ring */ |
227 |
< |
OBJREC *ob; |
228 |
< |
struct illum_args *il; |
229 |
< |
struct rtproc *rt; |
230 |
< |
char *nm; |
226 |
> |
void |
227 |
> |
o_ring( /* make an illum ring */ |
228 |
> |
OBJREC *ob, |
229 |
> |
struct illum_args *il, |
230 |
> |
struct rtproc *rt, |
231 |
> |
char *nm |
232 |
> |
) |
233 |
|
{ |
234 |
|
int dim[3]; |
235 |
|
int n, nalt, nazi; |
290 |
|
printobj(il->altmat, ob); |
291 |
|
/* clean up */ |
292 |
|
freecone(ob); |
293 |
< |
free((char *)distarr); |
293 |
> |
free((void *)distarr); |
294 |
|
} |
295 |
|
|
296 |
|
|
297 |
< |
raysamp(res, org, dir, rt) /* compute a ray sample */ |
298 |
< |
float res[3]; |
299 |
< |
FVECT org, dir; |
300 |
< |
register struct rtproc *rt; |
297 |
> |
void |
298 |
> |
raysamp( /* compute a ray sample */ |
299 |
> |
float res[3], |
300 |
> |
FVECT org, |
301 |
> |
FVECT dir, |
302 |
> |
register struct rtproc *rt |
303 |
> |
) |
304 |
|
{ |
305 |
|
register float *fp; |
306 |
|
|
313 |
|
} |
314 |
|
|
315 |
|
|
316 |
< |
rayflush(rt) /* flush buffered rays */ |
317 |
< |
register struct rtproc *rt; |
316 |
> |
void |
317 |
> |
rayflush( /* flush buffered rays */ |
318 |
> |
register struct rtproc *rt |
319 |
> |
) |
320 |
|
{ |
321 |
|
register int i; |
322 |
|
|
323 |
|
if (rt->nrays <= 0) |
324 |
|
return; |
325 |
< |
bzero(rt->buf+6*rt->nrays, 6*sizeof(float)); |
325 |
> |
memset(rt->buf+6*rt->nrays, '\0', 6*sizeof(float)); |
326 |
|
errno = 0; |
327 |
< |
if ( process(rt->pd, (char *)rt->buf, (char *)rt->buf, |
328 |
< |
3*sizeof(float)*rt->nrays, |
327 |
> |
if ( process(&(rt->pd), (char *)rt->buf, (char *)rt->buf, |
328 |
> |
3*sizeof(float)*(rt->nrays+1), |
329 |
|
6*sizeof(float)*(rt->nrays+1)) < |
330 |
< |
3*sizeof(float)*rt->nrays ) |
330 |
> |
3*sizeof(float)*(rt->nrays+1) ) |
331 |
|
error(SYSTEM, "error reading from rtrace process"); |
332 |
|
i = rt->nrays; |
333 |
|
while (i--) { |
339 |
|
} |
340 |
|
|
341 |
|
|
342 |
< |
mkaxes(u, v, n) /* compute u and v to go with n */ |
343 |
< |
FVECT u, v, n; |
342 |
> |
void |
343 |
> |
mkaxes( /* compute u and v to go with n */ |
344 |
> |
FVECT u, |
345 |
> |
FVECT v, |
346 |
> |
FVECT n |
347 |
> |
) |
348 |
|
{ |
349 |
|
register int i; |
350 |
|
|
359 |
|
} |
360 |
|
|
361 |
|
|
362 |
< |
rounddir(dv, alt, azi) /* compute uniform spherical direction */ |
363 |
< |
register FVECT dv; |
364 |
< |
double alt, azi; |
362 |
> |
void |
363 |
> |
rounddir( /* compute uniform spherical direction */ |
364 |
> |
register FVECT dv, |
365 |
> |
double alt, |
366 |
> |
double azi |
367 |
> |
) |
368 |
|
{ |
369 |
|
double d1, d2; |
370 |
|
|
376 |
|
} |
377 |
|
|
378 |
|
|
379 |
< |
flatdir(dv, alt, azi) /* compute uniform hemispherical direction */ |
380 |
< |
register FVECT dv; |
381 |
< |
double alt, azi; |
379 |
> |
void |
380 |
> |
flatdir( /* compute uniform hemispherical direction */ |
381 |
> |
register FVECT dv, |
382 |
> |
double alt, |
383 |
> |
double azi |
384 |
> |
) |
385 |
|
{ |
386 |
|
double d1, d2; |
387 |
|
|