28 |
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29 |
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30 |
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void |
31 |
< |
initstypes() /* initialize source dispatch table */ |
31 |
> |
initstypes(void) /* initialize source dispatch table */ |
32 |
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{ |
33 |
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extern VSMATERIAL mirror_vs, direct1_vs, direct2_vs; |
34 |
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static SOBJECT fsobj = {fsetsrc, flatpart, fgetplaneq, fgetmaxdisk}; |
49 |
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50 |
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51 |
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int |
52 |
< |
newsource() /* allocate new source in our array */ |
52 |
> |
newsource(void) /* allocate new source in our array */ |
53 |
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{ |
54 |
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if (nsources == 0) |
55 |
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source = (SRCREC *)malloc(SRCINC*sizeof(SRCREC)); |
69 |
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70 |
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void |
72 |
< |
setflatss(src) /* set sampling for a flat source */ |
73 |
< |
register SRCREC *src; |
72 |
> |
setflatss( /* set sampling for a flat source */ |
73 |
> |
SRCREC *src |
74 |
> |
) |
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{ |
76 |
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double mult; |
77 |
< |
register int i; |
77 |
> |
int i; |
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|
79 |
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src->ss[SV][0] = src->ss[SV][1] = src->ss[SV][2] = 0.0; |
80 |
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for (i = 0; i < 3; i++) |
90 |
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91 |
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92 |
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void |
93 |
< |
fsetsrc(src, so) /* set a face as a source */ |
94 |
< |
register SRCREC *src; |
95 |
< |
OBJREC *so; |
93 |
> |
fsetsrc( /* set a face as a source */ |
94 |
> |
SRCREC *src, |
95 |
> |
OBJREC *so |
96 |
> |
) |
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{ |
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< |
register FACE *f; |
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< |
register int i, j; |
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> |
FACE *f; |
99 |
> |
int i, j; |
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double d; |
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src->sa.success = 2*AIMREQT-1; /* bitch on second failure */ |
137 |
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void |
140 |
< |
ssetsrc(src, so) /* set a source as a source */ |
141 |
< |
register SRCREC *src; |
142 |
< |
register OBJREC *so; |
140 |
> |
ssetsrc( /* set a source as a source */ |
141 |
> |
SRCREC *src, |
142 |
> |
OBJREC *so |
143 |
> |
) |
144 |
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{ |
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double theta; |
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165 |
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void |
168 |
< |
sphsetsrc(src, so) /* set a sphere as a source */ |
169 |
< |
register SRCREC *src; |
170 |
< |
register OBJREC *so; |
168 |
> |
sphsetsrc( /* set a sphere as a source */ |
169 |
> |
SRCREC *src, |
170 |
> |
OBJREC *so |
171 |
> |
) |
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{ |
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< |
register int i; |
173 |
> |
int i; |
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|
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src->sa.success = 2*AIMREQT-1; /* bitch on second failure */ |
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src->so = so; |
190 |
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191 |
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192 |
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void |
193 |
< |
rsetsrc(src, so) /* set a ring (disk) as a source */ |
194 |
< |
register SRCREC *src; |
195 |
< |
OBJREC *so; |
193 |
> |
rsetsrc( /* set a ring (disk) as a source */ |
194 |
> |
SRCREC *src, |
195 |
> |
OBJREC *so |
196 |
> |
) |
197 |
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{ |
198 |
< |
register CONE *co; |
198 |
> |
CONE *co; |
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200 |
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src->sa.success = 2*AIMREQT-1; /* bitch on second failure */ |
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src->so = so; |
215 |
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216 |
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217 |
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void |
218 |
< |
cylsetsrc(src, so) /* set a cylinder as a source */ |
219 |
< |
register SRCREC *src; |
220 |
< |
OBJREC *so; |
218 |
> |
cylsetsrc( /* set a cylinder as a source */ |
219 |
> |
SRCREC *src, |
220 |
> |
OBJREC *so |
221 |
> |
) |
222 |
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{ |
223 |
< |
register CONE *co; |
224 |
< |
register int i; |
223 |
> |
CONE *co; |
224 |
> |
int i; |
225 |
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|
226 |
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src->sa.success = 4*AIMREQT-1; /* bitch on fourth failure */ |
227 |
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src->so = so; |
253 |
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254 |
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255 |
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SPOT * |
256 |
< |
makespot(m) /* make a spotlight */ |
257 |
< |
register OBJREC *m; |
256 |
> |
makespot( /* make a spotlight */ |
257 |
> |
OBJREC *m |
258 |
> |
) |
259 |
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{ |
260 |
< |
register SPOT *ns; |
260 |
> |
SPOT *ns; |
261 |
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|
262 |
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if ((ns = (SPOT *)m->os) != NULL) |
263 |
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return(ns); |
275 |
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276 |
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277 |
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int |
278 |
< |
spotout(r, s) /* check if we're outside spot region */ |
279 |
< |
register RAY *r; |
280 |
< |
register SPOT *s; |
278 |
> |
spotout( /* check if we're outside spot region */ |
279 |
> |
RAY *r, |
280 |
> |
SPOT *s |
281 |
> |
) |
282 |
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{ |
283 |
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double d; |
284 |
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FVECT vd; |
306 |
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|
307 |
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|
308 |
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double |
309 |
< |
fgetmaxdisk(ocent, op) /* get center and squared radius of face */ |
310 |
< |
FVECT ocent; |
311 |
< |
OBJREC *op; |
309 |
> |
fgetmaxdisk( /* get center and squared radius of face */ |
310 |
> |
FVECT ocent, |
311 |
> |
OBJREC *op |
312 |
> |
) |
313 |
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{ |
314 |
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double maxrad2; |
315 |
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double d; |
316 |
< |
register int i, j; |
317 |
< |
register FACE *f; |
316 |
> |
int i, j; |
317 |
> |
FACE *f; |
318 |
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|
319 |
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f = getface(op); |
320 |
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if (f->area == 0.) |
339 |
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|
340 |
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|
341 |
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double |
342 |
< |
rgetmaxdisk(ocent, op) /* get center and squared radius of ring */ |
343 |
< |
FVECT ocent; |
344 |
< |
OBJREC *op; |
342 |
> |
rgetmaxdisk( /* get center and squared radius of ring */ |
343 |
> |
FVECT ocent, |
344 |
> |
OBJREC *op |
345 |
> |
) |
346 |
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{ |
347 |
< |
register CONE *co; |
347 |
> |
CONE *co; |
348 |
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|
349 |
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co = getcone(op, 0); |
350 |
|
VCOPY(ocent, CO_P0(co)); |
353 |
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|
354 |
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|
355 |
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double |
356 |
< |
fgetplaneq(nvec, op) /* get plane equation for face */ |
357 |
< |
FVECT nvec; |
358 |
< |
OBJREC *op; |
356 |
> |
fgetplaneq( /* get plane equation for face */ |
357 |
> |
FVECT nvec, |
358 |
> |
OBJREC *op |
359 |
> |
) |
360 |
|
{ |
361 |
< |
register FACE *fo; |
361 |
> |
FACE *fo; |
362 |
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|
363 |
|
fo = getface(op); |
364 |
|
VCOPY(nvec, fo->norm); |
367 |
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|
368 |
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|
369 |
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double |
370 |
< |
rgetplaneq(nvec, op) /* get plane equation for ring */ |
371 |
< |
FVECT nvec; |
372 |
< |
OBJREC *op; |
370 |
> |
rgetplaneq( /* get plane equation for ring */ |
371 |
> |
FVECT nvec, |
372 |
> |
OBJREC *op |
373 |
> |
) |
374 |
|
{ |
375 |
< |
register CONE *co; |
375 |
> |
CONE *co; |
376 |
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|
377 |
|
co = getcone(op, 0); |
378 |
|
VCOPY(nvec, co->ad); |
381 |
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|
382 |
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|
383 |
|
int |
384 |
< |
commonspot(sp1, sp2, org) /* set sp1 to intersection of sp1 and sp2 */ |
385 |
< |
register SPOT *sp1, *sp2; |
386 |
< |
FVECT org; |
384 |
> |
commonspot( /* set sp1 to intersection of sp1 and sp2 */ |
385 |
> |
SPOT *sp1, |
386 |
> |
SPOT *sp2, |
387 |
> |
FVECT org |
388 |
> |
) |
389 |
|
{ |
390 |
|
FVECT cent; |
391 |
|
double rad2, cos1, cos2; |
407 |
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|
408 |
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|
409 |
|
int |
410 |
< |
commonbeam(sp1, sp2, dir) /* set sp1 to intersection of sp1 and sp2 */ |
411 |
< |
register SPOT *sp1, *sp2; |
412 |
< |
FVECT dir; |
410 |
> |
commonbeam( /* set sp1 to intersection of sp1 and sp2 */ |
411 |
> |
SPOT *sp1, |
412 |
> |
SPOT *sp2, |
413 |
> |
FVECT dir |
414 |
> |
) |
415 |
|
{ |
416 |
|
FVECT cent, c1, c2; |
417 |
|
double rad2, d; |
431 |
|
|
432 |
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|
433 |
|
int |
434 |
< |
checkspot(sp, nrm) /* check spotlight for behind source */ |
435 |
< |
register SPOT *sp; /* spotlight */ |
436 |
< |
FVECT nrm; /* source surface normal */ |
434 |
> |
checkspot( /* check spotlight for behind source */ |
435 |
> |
SPOT *sp, /* spotlight */ |
436 |
> |
FVECT nrm /* source surface normal */ |
437 |
> |
) |
438 |
|
{ |
439 |
|
double d, d1; |
440 |
|
|
448 |
|
|
449 |
|
|
450 |
|
double |
451 |
< |
spotdisk(oc, op, sp, pos) /* intersect spot with object op */ |
452 |
< |
FVECT oc; |
453 |
< |
OBJREC *op; |
454 |
< |
register SPOT *sp; |
455 |
< |
FVECT pos; |
451 |
> |
spotdisk( /* intersect spot with object op */ |
452 |
> |
FVECT oc, |
453 |
> |
OBJREC *op, |
454 |
> |
SPOT *sp, |
455 |
> |
FVECT pos |
456 |
> |
) |
457 |
|
{ |
458 |
|
FVECT onorm; |
459 |
|
double offs, d, dist; |
471 |
|
|
472 |
|
|
473 |
|
double |
474 |
< |
beamdisk(oc, op, sp, dir) /* intersect beam with object op */ |
475 |
< |
FVECT oc; |
476 |
< |
OBJREC *op; |
477 |
< |
register SPOT *sp; |
478 |
< |
FVECT dir; |
474 |
> |
beamdisk( /* intersect beam with object op */ |
475 |
> |
FVECT oc, |
476 |
> |
OBJREC *op, |
477 |
> |
SPOT *sp, |
478 |
> |
FVECT dir |
479 |
> |
) |
480 |
|
{ |
481 |
|
FVECT onorm; |
482 |
|
double offs, d, dist; |
492 |
|
|
493 |
|
|
494 |
|
double |
495 |
< |
intercircle(cc, c1, c2, r1s, r2s) /* intersect two circles */ |
496 |
< |
FVECT cc; /* midpoint (return value) */ |
497 |
< |
FVECT c1, c2; /* circle centers */ |
498 |
< |
double r1s, r2s; /* radii squared */ |
495 |
> |
intercircle( /* intersect two circles */ |
496 |
> |
FVECT cc, /* midpoint (return value) */ |
497 |
> |
FVECT c1, /* circle centers */ |
498 |
> |
FVECT c2, |
499 |
> |
double r1s, /* radii squared */ |
500 |
> |
double r2s |
501 |
> |
) |
502 |
|
{ |
503 |
|
double a2, d2, l; |
504 |
|
FVECT disp; |