5 |
|
* rtrace.c - program and variables for individual ray tracing. |
6 |
|
*/ |
7 |
|
|
8 |
< |
/* ==================================================================== |
9 |
< |
* The Radiance Software License, Version 1.0 |
10 |
< |
* |
11 |
< |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
12 |
< |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
13 |
< |
* |
14 |
< |
* Redistribution and use in source and binary forms, with or without |
15 |
< |
* modification, are permitted provided that the following conditions |
16 |
< |
* are met: |
17 |
< |
* |
18 |
< |
* 1. Redistributions of source code must retain the above copyright |
19 |
< |
* notice, this list of conditions and the following disclaimer. |
20 |
< |
* |
21 |
< |
* 2. Redistributions in binary form must reproduce the above copyright |
22 |
< |
* notice, this list of conditions and the following disclaimer in |
23 |
< |
* the documentation and/or other materials provided with the |
24 |
< |
* distribution. |
25 |
< |
* |
26 |
< |
* 3. The end-user documentation included with the redistribution, |
27 |
< |
* if any, must include the following acknowledgment: |
28 |
< |
* "This product includes Radiance software |
29 |
< |
* (http://radsite.lbl.gov/) |
30 |
< |
* developed by the Lawrence Berkeley National Laboratory |
31 |
< |
* (http://www.lbl.gov/)." |
32 |
< |
* Alternately, this acknowledgment may appear in the software itself, |
33 |
< |
* if and wherever such third-party acknowledgments normally appear. |
34 |
< |
* |
35 |
< |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
36 |
< |
* and "The Regents of the University of California" must |
37 |
< |
* not be used to endorse or promote products derived from this |
38 |
< |
* software without prior written permission. For written |
39 |
< |
* permission, please contact [email protected]. |
40 |
< |
* |
41 |
< |
* 5. Products derived from this software may not be called "Radiance", |
42 |
< |
* nor may "Radiance" appear in their name, without prior written |
43 |
< |
* permission of Lawrence Berkeley National Laboratory. |
44 |
< |
* |
45 |
< |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
46 |
< |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
47 |
< |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
48 |
< |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
49 |
< |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
50 |
< |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
51 |
< |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
52 |
< |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
53 |
< |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
54 |
< |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
55 |
< |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
56 |
< |
* SUCH DAMAGE. |
57 |
< |
* ==================================================================== |
58 |
< |
* |
59 |
< |
* This software consists of voluntary contributions made by many |
60 |
< |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
61 |
< |
* information on Lawrence Berkeley National Laboratory, please see |
62 |
< |
* <http://www.lbl.gov/>. |
63 |
< |
*/ |
8 |
> |
#include "copyright.h" |
9 |
|
|
10 |
|
/* |
11 |
|
* Input is in the form: |
21 |
|
* irradiance values are desired. |
22 |
|
*/ |
23 |
|
|
24 |
< |
#include "ray.h" |
24 |
> |
#include <time.h> |
25 |
|
|
26 |
+ |
#include "platform.h" |
27 |
+ |
#include "ray.h" |
28 |
+ |
#include "ambient.h" |
29 |
+ |
#include "source.h" |
30 |
|
#include "otypes.h" |
82 |
– |
|
31 |
|
#include "resolu.h" |
32 |
+ |
#include "random.h" |
33 |
|
|
34 |
< |
CUBE thescene; /* our scene */ |
35 |
< |
OBJECT nsceneobjs; /* number of objects in our scene */ |
34 |
> |
extern int inform; /* input format */ |
35 |
> |
extern int outform; /* output format */ |
36 |
> |
extern char *outvals; /* output values */ |
37 |
|
|
38 |
< |
int dimlist[MAXDIM]; /* sampling dimensions */ |
39 |
< |
int ndims = 0; /* number of sampling dimensions */ |
90 |
< |
int samplendx = 0; /* index for this sample */ |
38 |
> |
extern int imm_irrad; /* compute immediate irradiance? */ |
39 |
> |
extern int lim_dist; /* limit distance? */ |
40 |
|
|
41 |
< |
int imm_irrad = 0; /* compute immediate irradiance? */ |
42 |
< |
int lim_dist = 0; /* limit distance? */ |
41 |
> |
extern char *tralist[]; /* list of modifers to trace (or no) */ |
42 |
> |
extern int traincl; /* include == 1, exclude == 0 */ |
43 |
|
|
44 |
< |
int inform = 'a'; /* input format */ |
45 |
< |
int outform = 'a'; /* output format */ |
97 |
< |
char *outvals = "v"; /* output specification */ |
44 |
> |
extern int hresolu; /* horizontal resolution */ |
45 |
> |
extern int vresolu; /* vertical resolution */ |
46 |
|
|
47 |
< |
int do_irrad = 0; /* compute irradiance? */ |
47 |
> |
static int castonly = 0; |
48 |
|
|
49 |
< |
void (*trace)() = NULL; /* trace call */ |
50 |
< |
|
51 |
< |
extern void ambnotify(), tranotify(); |
104 |
< |
void (*addobjnotify[])() = {ambnotify, tranotify, NULL}; |
105 |
< |
char *tralist[128]; /* list of modifers to trace (or no) */ |
106 |
< |
int traincl = -1; /* include == 1, exclude == 0 */ |
107 |
< |
#define MAXTSET 511 /* maximum number in trace set */ |
49 |
> |
#ifndef MAXTSET |
50 |
> |
#define MAXTSET 8191 /* maximum number in trace set */ |
51 |
> |
#endif |
52 |
|
OBJECT traset[MAXTSET+1]={0}; /* trace include/exclude set */ |
53 |
|
|
110 |
– |
int hresolu = 0; /* horizontal (scan) size */ |
111 |
– |
int vresolu = 0; /* vertical resolution */ |
112 |
– |
|
113 |
– |
double dstrsrc = 0.0; /* square source distribution */ |
114 |
– |
double shadthresh = .05; /* shadow threshold */ |
115 |
– |
double shadcert = .5; /* shadow certainty */ |
116 |
– |
int directrelay = 2; /* number of source relays */ |
117 |
– |
int vspretest = 512; /* virtual source pretest density */ |
118 |
– |
int directvis = 1; /* sources visible? */ |
119 |
– |
double srcsizerat = .2; /* maximum ratio source size/dist. */ |
120 |
– |
|
121 |
– |
COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
122 |
– |
COLOR salbedo = BLKCOLOR; /* global scattering albedo */ |
123 |
– |
double seccg = 0.; /* global scattering eccentricity */ |
124 |
– |
double ssampdist = 0.; /* scatter sampling distance */ |
125 |
– |
|
126 |
– |
double specthresh = .15; /* specular sampling threshold */ |
127 |
– |
double specjitter = 1.; /* specular sampling jitter */ |
128 |
– |
|
129 |
– |
int backvis = 1; /* back face visibility */ |
130 |
– |
|
131 |
– |
int maxdepth = 6; /* maximum recursion depth */ |
132 |
– |
double minweight = 4e-3; /* minimum ray weight */ |
133 |
– |
|
134 |
– |
char *ambfile = NULL; /* ambient file name */ |
135 |
– |
COLOR ambval = BLKCOLOR; /* ambient value */ |
136 |
– |
int ambvwt = 0; /* initial weight for ambient value */ |
137 |
– |
double ambacc = 0.2; /* ambient accuracy */ |
138 |
– |
int ambres = 128; /* ambient resolution */ |
139 |
– |
int ambdiv = 512; /* ambient divisions */ |
140 |
– |
int ambssamp = 0; /* ambient super-samples */ |
141 |
– |
int ambounce = 0; /* ambient bounces */ |
142 |
– |
char *amblist[128]; /* ambient include/exclude list */ |
143 |
– |
int ambincl = -1; /* include == 1, exclude == 0 */ |
144 |
– |
|
145 |
– |
|
54 |
|
static RAY thisray; /* for our convenience */ |
55 |
|
|
56 |
< |
static void oputo(), oputd(), oputv(), oputl(), oputL(), |
57 |
< |
oputp(), oputn(), oputN(), oputs(), oputw(), oputm(); |
56 |
> |
typedef void putf_t(RREAL *v, int n); |
57 |
> |
static putf_t puta, putd, putf; |
58 |
|
|
59 |
< |
static void ourtrace(), tabin(); |
60 |
< |
static void (*ray_out[16])(), (*every_out[16])(); |
61 |
< |
static int castonly = 0; |
59 |
> |
typedef void oputf_t(RAY *r); |
60 |
> |
static oputf_t oputo, oputd, oputv, oputV, oputl, oputL, oputc, oputp, |
61 |
> |
oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
62 |
|
|
63 |
< |
static void puta(), putf(), putd(); |
63 |
> |
static void setoutput(char *vs); |
64 |
> |
extern void tranotify(OBJECT obj); |
65 |
> |
static void bogusray(void); |
66 |
> |
static void raycast(RAY *r); |
67 |
> |
static void rayirrad(RAY *r); |
68 |
> |
static void rtcompute(FVECT org, FVECT dir, double dmax); |
69 |
> |
static int printvals(RAY *r); |
70 |
> |
static int getvec(FVECT vec, int fmt, FILE *fp); |
71 |
> |
static void tabin(RAY *r); |
72 |
> |
static void ourtrace(RAY *r); |
73 |
|
|
74 |
< |
static void (*putreal)(); |
74 |
> |
static oputf_t *ray_out[16], *every_out[16]; |
75 |
> |
static putf_t *putreal; |
76 |
|
|
159 |
– |
void bogusray(), rad(), irrad(), printvals(); |
77 |
|
|
161 |
– |
|
78 |
|
void |
79 |
< |
quit(code) /* quit program */ |
80 |
< |
int code; |
79 |
> |
quit( /* quit program */ |
80 |
> |
int code |
81 |
> |
) |
82 |
|
{ |
83 |
< |
#ifndef NIX |
84 |
< |
headclean(); /* delete header file */ |
85 |
< |
pfclean(); /* clean up persist files */ |
83 |
> |
if (ray_pnprocs > 0) /* close children if any */ |
84 |
> |
ray_pclose(0); |
85 |
> |
#ifndef NON_POSIX |
86 |
> |
else if (!ray_pnprocs) { |
87 |
> |
headclean(); /* delete header file */ |
88 |
> |
pfclean(); /* clean up persist files */ |
89 |
> |
} |
90 |
|
#endif |
91 |
|
exit(code); |
92 |
|
} |
93 |
|
|
94 |
|
|
95 |
|
char * |
96 |
< |
formstr(f) /* return format identifier */ |
97 |
< |
int f; |
96 |
> |
formstr( /* return format identifier */ |
97 |
> |
int f |
98 |
> |
) |
99 |
|
{ |
100 |
|
switch (f) { |
101 |
|
case 'a': return("ascii"); |
107 |
|
} |
108 |
|
|
109 |
|
|
110 |
< |
void |
111 |
< |
rtrace(fname) /* trace rays from file */ |
112 |
< |
char *fname; |
110 |
> |
extern void |
111 |
> |
rtrace( /* trace rays from file */ |
112 |
> |
char *fname, |
113 |
> |
int nproc |
114 |
> |
) |
115 |
|
{ |
116 |
< |
long vcount = hresolu>1 ? hresolu*vresolu : vresolu; |
117 |
< |
long nextflush = hresolu; |
116 |
> |
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
117 |
> |
: (unsigned long)vresolu; |
118 |
> |
long nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : hresolu; |
119 |
|
FILE *fp; |
120 |
|
double d; |
121 |
|
FVECT orig, direc; |
126 |
|
sprintf(errmsg, "cannot open input file \"%s\"", fname); |
127 |
|
error(SYSTEM, errmsg); |
128 |
|
} |
204 |
– |
#ifdef MSDOS |
129 |
|
if (inform != 'a') |
130 |
< |
setmode(fileno(fp), O_BINARY); |
207 |
< |
#endif |
130 |
> |
SET_FILE_BINARY(fp); |
131 |
|
/* set up output */ |
132 |
|
setoutput(outvals); |
133 |
+ |
if (imm_irrad) |
134 |
+ |
castonly = 0; |
135 |
+ |
else if (castonly) |
136 |
+ |
nproc = 1; /* don't bother multiprocessing */ |
137 |
|
switch (outform) { |
138 |
|
case 'a': putreal = puta; break; |
139 |
|
case 'f': putreal = putf; break; |
145 |
|
default: |
146 |
|
error(CONSISTENCY, "botched output format"); |
147 |
|
} |
148 |
+ |
if (nproc > 1) { /* start multiprocessing */ |
149 |
+ |
ray_popen(nproc); |
150 |
+ |
ray_fifo_out = printvals; |
151 |
+ |
} |
152 |
|
if (hresolu > 0) { |
153 |
|
if (vresolu > 0) |
154 |
|
fprtresolu(hresolu, vresolu, stdout); |
160 |
|
|
161 |
|
d = normalize(direc); |
162 |
|
if (d == 0.0) { /* zero ==> flush */ |
163 |
< |
bogusray(); |
164 |
< |
if (--nextflush <= 0 || vcount <= 0) { |
163 |
> |
if (--nextflush <= 0 || !vcount) { |
164 |
> |
if (nproc > 1 && ray_fifo_flush() < 0) |
165 |
> |
error(USER, "lost children"); |
166 |
> |
bogusray(); |
167 |
|
fflush(stdout); |
168 |
< |
nextflush = hresolu; |
169 |
< |
} |
170 |
< |
} else { |
171 |
< |
samplendx++; |
172 |
< |
/* compute and print */ |
173 |
< |
if (imm_irrad) |
241 |
< |
irrad(orig, direc); |
242 |
< |
else |
243 |
< |
rad(orig, direc, lim_dist ? d : 0.0); |
168 |
> |
nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : |
169 |
> |
hresolu; |
170 |
> |
} else |
171 |
> |
bogusray(); |
172 |
> |
} else { /* compute and print */ |
173 |
> |
rtcompute(orig, direc, lim_dist ? d : 0.0); |
174 |
|
/* flush if time */ |
175 |
< |
if (--nextflush == 0) { |
175 |
> |
if (!--nextflush) { |
176 |
> |
if (nproc > 1 && ray_fifo_flush() < 0) |
177 |
> |
error(USER, "lost children"); |
178 |
|
fflush(stdout); |
179 |
|
nextflush = hresolu; |
180 |
|
} |
181 |
|
} |
182 |
|
if (ferror(stdout)) |
183 |
|
error(SYSTEM, "write error"); |
184 |
< |
if (--vcount == 0) /* check for end */ |
184 |
> |
if (vcount && !--vcount) /* check for end */ |
185 |
|
break; |
186 |
|
} |
187 |
< |
fflush(stdout); |
188 |
< |
if (vcount > 0) |
189 |
< |
error(USER, "read error"); |
187 |
> |
if (nproc > 1) { /* clean up children */ |
188 |
> |
if (ray_fifo_flush() < 0) |
189 |
> |
error(USER, "unable to complete processing"); |
190 |
> |
ray_pclose(0); |
191 |
> |
} |
192 |
> |
if (fflush(stdout) < 0) |
193 |
> |
error(SYSTEM, "write error"); |
194 |
> |
if (vcount) |
195 |
> |
error(USER, "unexpected EOF on input"); |
196 |
|
if (fname != NULL) |
197 |
|
fclose(fp); |
198 |
|
} |
199 |
|
|
200 |
|
|
201 |
< |
setoutput(vs) /* set up output tables */ |
202 |
< |
register char *vs; |
201 |
> |
static void |
202 |
> |
trace_sources(void) /* trace rays to light sources, also */ |
203 |
|
{ |
204 |
< |
extern void (*trace)(); |
205 |
< |
register void (**table)() = ray_out; |
204 |
> |
int sn; |
205 |
> |
|
206 |
> |
for (sn = 0; sn < nsources; sn++) |
207 |
> |
source[sn].sflags |= SFOLLOW; |
208 |
> |
} |
209 |
|
|
210 |
+ |
|
211 |
+ |
static void |
212 |
+ |
setoutput( /* set up output tables */ |
213 |
+ |
char *vs |
214 |
+ |
) |
215 |
+ |
{ |
216 |
+ |
oputf_t **table = ray_out; |
217 |
+ |
|
218 |
|
castonly = 1; |
219 |
|
while (*vs) |
220 |
|
switch (*vs++) { |
221 |
+ |
case 'T': /* trace sources */ |
222 |
+ |
if (!*vs) break; |
223 |
+ |
trace_sources(); |
224 |
+ |
/* fall through */ |
225 |
|
case 't': /* trace */ |
226 |
+ |
if (!*vs) break; |
227 |
|
*table = NULL; |
228 |
|
table = every_out; |
229 |
|
trace = ourtrace; |
239 |
|
*table++ = oputv; |
240 |
|
castonly = 0; |
241 |
|
break; |
242 |
+ |
case 'V': /* contribution */ |
243 |
+ |
*table++ = oputV; |
244 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
245 |
+ |
error(WARNING, |
246 |
+ |
"-otV accuracy depends on -aa 0 -as 0"); |
247 |
+ |
break; |
248 |
|
case 'l': /* effective distance */ |
249 |
|
*table++ = oputl; |
250 |
|
castonly = 0; |
251 |
|
break; |
252 |
+ |
case 'c': /* local coordinates */ |
253 |
+ |
*table++ = oputc; |
254 |
+ |
break; |
255 |
|
case 'L': /* single ray length */ |
256 |
|
*table++ = oputL; |
257 |
|
break; |
271 |
|
case 'w': /* weight */ |
272 |
|
*table++ = oputw; |
273 |
|
break; |
274 |
+ |
case 'W': /* coefficient */ |
275 |
+ |
*table++ = oputW; |
276 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
277 |
+ |
error(WARNING, |
278 |
+ |
"-otW accuracy depends on -aa 0 -as 0"); |
279 |
+ |
break; |
280 |
|
case 'm': /* modifier */ |
281 |
|
*table++ = oputm; |
282 |
|
break; |
283 |
+ |
case 'M': /* material */ |
284 |
+ |
*table++ = oputM; |
285 |
+ |
break; |
286 |
+ |
case '~': /* tilde */ |
287 |
+ |
*table++ = oputtilde; |
288 |
+ |
break; |
289 |
|
} |
290 |
|
*table = NULL; |
291 |
|
} |
292 |
|
|
293 |
|
|
294 |
< |
void |
295 |
< |
bogusray() /* print out empty record */ |
294 |
> |
static void |
295 |
> |
bogusray(void) /* print out empty record */ |
296 |
|
{ |
297 |
|
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
298 |
|
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
299 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
299 |
> |
thisray.rmax = 0.0; |
300 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
301 |
|
printvals(&thisray); |
302 |
|
} |
303 |
|
|
304 |
|
|
305 |
< |
void |
306 |
< |
rad(org, dir, dmax) /* compute and print ray value(s) */ |
307 |
< |
FVECT org, dir; |
308 |
< |
double dmax; |
305 |
> |
static void |
306 |
> |
raycast( /* compute first ray intersection only */ |
307 |
> |
RAY *r |
308 |
> |
) |
309 |
|
{ |
310 |
< |
VCOPY(thisray.rorg, org); |
311 |
< |
VCOPY(thisray.rdir, dir); |
312 |
< |
thisray.rmax = dmax; |
313 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
314 |
< |
if (castonly) { |
315 |
< |
if (!localhit(&thisray, &thescene)) |
316 |
< |
if (thisray.ro == &Aftplane) { /* clipped */ |
341 |
< |
thisray.ro = NULL; |
342 |
< |
thisray.rot = FHUGE; |
343 |
< |
} else |
344 |
< |
sourcehit(&thisray); |
345 |
< |
} else |
346 |
< |
rayvalue(&thisray); |
347 |
< |
printvals(&thisray); |
310 |
> |
if (!localhit(r, &thescene)) { |
311 |
> |
if (r->ro == &Aftplane) { /* clipped */ |
312 |
> |
r->ro = NULL; |
313 |
> |
r->rot = FHUGE; |
314 |
> |
} else |
315 |
> |
sourcehit(r); |
316 |
> |
} |
317 |
|
} |
318 |
|
|
319 |
|
|
320 |
< |
void |
321 |
< |
irrad(org, dir) /* compute immediate irradiance value */ |
322 |
< |
FVECT org, dir; |
320 |
> |
static void |
321 |
> |
rayirrad( /* compute irradiance rather than radiance */ |
322 |
> |
RAY *r |
323 |
> |
) |
324 |
|
{ |
325 |
< |
register int i; |
325 |
> |
void (*old_revf)(RAY *) = r->revf; |
326 |
|
|
327 |
< |
for (i = 0; i < 3; i++) { |
328 |
< |
thisray.rorg[i] = org[i] + dir[i]; |
329 |
< |
thisray.rdir[i] = -dir[i]; |
327 |
> |
r->rot = 1e-5; /* pretend we hit surface */ |
328 |
> |
VSUM(r->rop, r->rorg, r->rdir, r->rot); |
329 |
> |
r->ron[0] = -r->rdir[0]; |
330 |
> |
r->ron[1] = -r->rdir[1]; |
331 |
> |
r->ron[2] = -r->rdir[2]; |
332 |
> |
r->rod = 1.0; |
333 |
> |
/* compute result */ |
334 |
> |
r->revf = raytrace; |
335 |
> |
(*ofun[Lamb.otype].funp)(&Lamb, r); |
336 |
> |
r->revf = old_revf; |
337 |
> |
} |
338 |
> |
|
339 |
> |
|
340 |
> |
static void |
341 |
> |
rtcompute( /* compute and print ray value(s) */ |
342 |
> |
FVECT org, |
343 |
> |
FVECT dir, |
344 |
> |
double dmax |
345 |
> |
) |
346 |
> |
{ |
347 |
> |
/* set up ray */ |
348 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
349 |
> |
if (imm_irrad) { |
350 |
> |
VSUM(thisray.rorg, org, dir, 1.1e-4); |
351 |
> |
thisray.rdir[0] = -dir[0]; |
352 |
> |
thisray.rdir[1] = -dir[1]; |
353 |
> |
thisray.rdir[2] = -dir[2]; |
354 |
> |
thisray.rmax = 0.0; |
355 |
> |
thisray.revf = rayirrad; |
356 |
> |
} else { |
357 |
> |
VCOPY(thisray.rorg, org); |
358 |
> |
VCOPY(thisray.rdir, dir); |
359 |
> |
thisray.rmax = dmax; |
360 |
> |
if (castonly) |
361 |
> |
thisray.revf = raycast; |
362 |
|
} |
363 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
364 |
< |
/* pretend we hit surface */ |
365 |
< |
thisray.rot = 1.0-1e-4; |
366 |
< |
thisray.rod = 1.0; |
367 |
< |
VCOPY(thisray.ron, dir); |
368 |
< |
for (i = 0; i < 3; i++) /* fudge factor */ |
369 |
< |
thisray.rop[i] = org[i] + 1e-4*dir[i]; |
368 |
< |
/* compute and print */ |
369 |
< |
(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
363 |
> |
if (ray_pnprocs > 1) { /* multiprocessing FIFO? */ |
364 |
> |
if (ray_fifo_in(&thisray) < 0) |
365 |
> |
error(USER, "lost children"); |
366 |
> |
return; |
367 |
> |
} |
368 |
> |
samplendx++; /* else do it ourselves */ |
369 |
> |
rayvalue(&thisray); |
370 |
|
printvals(&thisray); |
371 |
|
} |
372 |
|
|
373 |
|
|
374 |
< |
void |
375 |
< |
printvals(r) /* print requested ray values */ |
376 |
< |
RAY *r; |
374 |
> |
static int |
375 |
> |
printvals( /* print requested ray values */ |
376 |
> |
RAY *r |
377 |
> |
) |
378 |
|
{ |
379 |
< |
register void (**tp)(); |
379 |
> |
oputf_t **tp; |
380 |
|
|
381 |
|
if (ray_out[0] == NULL) |
382 |
< |
return; |
382 |
> |
return(0); |
383 |
|
for (tp = ray_out; *tp != NULL; tp++) |
384 |
|
(**tp)(r); |
385 |
|
if (outform == 'a') |
386 |
|
putchar('\n'); |
387 |
+ |
return(1); |
388 |
|
} |
389 |
|
|
390 |
|
|
391 |
< |
int |
392 |
< |
getvec(vec, fmt, fp) /* get a vector from fp */ |
393 |
< |
register FVECT vec; |
394 |
< |
int fmt; |
395 |
< |
FILE *fp; |
391 |
> |
static int |
392 |
> |
getvec( /* get a vector from fp */ |
393 |
> |
FVECT vec, |
394 |
> |
int fmt, |
395 |
> |
FILE *fp |
396 |
> |
) |
397 |
|
{ |
398 |
|
static float vf[3]; |
399 |
|
static double vd[3]; |
400 |
|
char buf[32]; |
401 |
< |
register int i; |
401 |
> |
int i; |
402 |
|
|
403 |
|
switch (fmt) { |
404 |
|
case 'a': /* ascii */ |
412 |
|
case 'f': /* binary float */ |
413 |
|
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
414 |
|
return(-1); |
415 |
< |
vec[0] = vf[0]; vec[1] = vf[1]; vec[2] = vf[2]; |
415 |
> |
VCOPY(vec, vf); |
416 |
|
break; |
417 |
|
case 'd': /* binary double */ |
418 |
|
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
419 |
|
return(-1); |
420 |
< |
vec[0] = vd[0]; vec[1] = vd[1]; vec[2] = vd[2]; |
420 |
> |
VCOPY(vec, vd); |
421 |
|
break; |
422 |
|
default: |
423 |
|
error(CONSISTENCY, "botched input format"); |
427 |
|
|
428 |
|
|
429 |
|
void |
430 |
< |
tranotify(obj) /* record new modifier */ |
431 |
< |
OBJECT obj; |
430 |
> |
tranotify( /* record new modifier */ |
431 |
> |
OBJECT obj |
432 |
> |
) |
433 |
|
{ |
434 |
|
static int hitlimit = 0; |
435 |
< |
register OBJREC *o = objptr(obj); |
436 |
< |
register char **tralp; |
435 |
> |
OBJREC *o = objptr(obj); |
436 |
> |
char **tralp; |
437 |
|
|
438 |
|
if (obj == OVOID) { /* starting over */ |
439 |
|
traset[0] = 0; |
456 |
|
|
457 |
|
|
458 |
|
static void |
459 |
< |
ourtrace(r) /* print ray values */ |
460 |
< |
RAY *r; |
459 |
> |
ourtrace( /* print ray values */ |
460 |
> |
RAY *r |
461 |
> |
) |
462 |
|
{ |
463 |
< |
register void (**tp)(); |
463 |
> |
oputf_t **tp; |
464 |
|
|
465 |
|
if (every_out[0] == NULL) |
466 |
|
return; |
472 |
|
tabin(r); |
473 |
|
for (tp = every_out; *tp != NULL; tp++) |
474 |
|
(**tp)(r); |
475 |
< |
putchar('\n'); |
475 |
> |
if (outform == 'a') |
476 |
> |
putchar('\n'); |
477 |
|
} |
478 |
|
|
479 |
|
|
480 |
|
static void |
481 |
< |
tabin(r) /* tab in appropriate amount */ |
482 |
< |
RAY *r; |
481 |
> |
tabin( /* tab in appropriate amount */ |
482 |
> |
RAY *r |
483 |
> |
) |
484 |
|
{ |
485 |
< |
register RAY *rp; |
485 |
> |
const RAY *rp; |
486 |
|
|
487 |
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
488 |
|
putchar('\t'); |
490 |
|
|
491 |
|
|
492 |
|
static void |
493 |
< |
oputo(r) /* print origin */ |
494 |
< |
register RAY *r; |
493 |
> |
oputo( /* print origin */ |
494 |
> |
RAY *r |
495 |
> |
) |
496 |
|
{ |
497 |
< |
(*putreal)(r->rorg[0]); |
490 |
< |
(*putreal)(r->rorg[1]); |
491 |
< |
(*putreal)(r->rorg[2]); |
497 |
> |
(*putreal)(r->rorg, 3); |
498 |
|
} |
499 |
|
|
500 |
|
|
501 |
|
static void |
502 |
< |
oputd(r) /* print direction */ |
503 |
< |
register RAY *r; |
502 |
> |
oputd( /* print direction */ |
503 |
> |
RAY *r |
504 |
> |
) |
505 |
|
{ |
506 |
< |
(*putreal)(r->rdir[0]); |
500 |
< |
(*putreal)(r->rdir[1]); |
501 |
< |
(*putreal)(r->rdir[2]); |
506 |
> |
(*putreal)(r->rdir, 3); |
507 |
|
} |
508 |
|
|
509 |
|
|
510 |
|
static void |
511 |
< |
oputv(r) /* print value */ |
512 |
< |
register RAY *r; |
511 |
> |
oputv( /* print value */ |
512 |
> |
RAY *r |
513 |
> |
) |
514 |
|
{ |
515 |
< |
COLR cout; |
516 |
< |
|
515 |
> |
RREAL cval[3]; |
516 |
> |
|
517 |
|
if (outform == 'c') { |
518 |
+ |
COLR cout; |
519 |
|
setcolr(cout, colval(r->rcol,RED), |
520 |
|
colval(r->rcol,GRN), |
521 |
|
colval(r->rcol,BLU)); |
522 |
< |
fwrite((char *)cout, sizeof(cout), 1, stdout); |
522 |
> |
fwrite(cout, sizeof(cout), 1, stdout); |
523 |
|
return; |
524 |
|
} |
525 |
< |
(*putreal)(colval(r->rcol,RED)); |
526 |
< |
(*putreal)(colval(r->rcol,GRN)); |
527 |
< |
(*putreal)(colval(r->rcol,BLU)); |
525 |
> |
cval[0] = colval(r->rcol,RED); |
526 |
> |
cval[1] = colval(r->rcol,GRN); |
527 |
> |
cval[2] = colval(r->rcol,BLU); |
528 |
> |
(*putreal)(cval, 3); |
529 |
|
} |
530 |
|
|
531 |
|
|
532 |
|
static void |
533 |
< |
oputl(r) /* print effective distance */ |
534 |
< |
register RAY *r; |
533 |
> |
oputV( /* print value contribution */ |
534 |
> |
RAY *r |
535 |
> |
) |
536 |
|
{ |
537 |
< |
(*putreal)(r->rt); |
537 |
> |
RREAL contr[3]; |
538 |
> |
|
539 |
> |
raycontrib(contr, r, PRIMARY); |
540 |
> |
multcolor(contr, r->rcol); |
541 |
> |
(*putreal)(contr, 3); |
542 |
|
} |
543 |
|
|
544 |
|
|
545 |
|
static void |
546 |
< |
oputL(r) /* print single ray length */ |
547 |
< |
register RAY *r; |
546 |
> |
oputl( /* print effective distance */ |
547 |
> |
RAY *r |
548 |
> |
) |
549 |
|
{ |
550 |
< |
(*putreal)(r->rot); |
550 |
> |
(*putreal)(&r->rt, 1); |
551 |
|
} |
552 |
|
|
553 |
|
|
554 |
|
static void |
555 |
< |
oputp(r) /* print point */ |
556 |
< |
register RAY *r; |
555 |
> |
oputL( /* print single ray length */ |
556 |
> |
RAY *r |
557 |
> |
) |
558 |
|
{ |
559 |
< |
if (r->rot < FHUGE) { |
545 |
< |
(*putreal)(r->rop[0]); |
546 |
< |
(*putreal)(r->rop[1]); |
547 |
< |
(*putreal)(r->rop[2]); |
548 |
< |
} else { |
549 |
< |
(*putreal)(0.0); |
550 |
< |
(*putreal)(0.0); |
551 |
< |
(*putreal)(0.0); |
552 |
< |
} |
559 |
> |
(*putreal)(&r->rot, 1); |
560 |
|
} |
561 |
|
|
562 |
|
|
563 |
|
static void |
564 |
< |
oputN(r) /* print unperturbed normal */ |
565 |
< |
register RAY *r; |
564 |
> |
oputc( /* print local coordinates */ |
565 |
> |
RAY *r |
566 |
> |
) |
567 |
|
{ |
568 |
< |
if (r->rot < FHUGE) { |
561 |
< |
(*putreal)(r->ron[0]); |
562 |
< |
(*putreal)(r->ron[1]); |
563 |
< |
(*putreal)(r->ron[2]); |
564 |
< |
} else { |
565 |
< |
(*putreal)(0.0); |
566 |
< |
(*putreal)(0.0); |
567 |
< |
(*putreal)(0.0); |
568 |
< |
} |
568 |
> |
(*putreal)(r->uv, 2); |
569 |
|
} |
570 |
|
|
571 |
|
|
572 |
+ |
static RREAL vdummy[3] = {0.0, 0.0, 0.0}; |
573 |
+ |
|
574 |
+ |
|
575 |
|
static void |
576 |
< |
oputn(r) /* print perturbed normal */ |
577 |
< |
RAY *r; |
576 |
> |
oputp( /* print point */ |
577 |
> |
RAY *r |
578 |
> |
) |
579 |
|
{ |
580 |
+ |
if (r->rot < FHUGE) |
581 |
+ |
(*putreal)(r->rop, 3); |
582 |
+ |
else |
583 |
+ |
(*putreal)(vdummy, 3); |
584 |
+ |
} |
585 |
+ |
|
586 |
+ |
|
587 |
+ |
static void |
588 |
+ |
oputN( /* print unperturbed normal */ |
589 |
+ |
RAY *r |
590 |
+ |
) |
591 |
+ |
{ |
592 |
+ |
if (r->rot < FHUGE) |
593 |
+ |
(*putreal)(r->ron, 3); |
594 |
+ |
else |
595 |
+ |
(*putreal)(vdummy, 3); |
596 |
+ |
} |
597 |
+ |
|
598 |
+ |
|
599 |
+ |
static void |
600 |
+ |
oputn( /* print perturbed normal */ |
601 |
+ |
RAY *r |
602 |
+ |
) |
603 |
+ |
{ |
604 |
|
FVECT pnorm; |
605 |
|
|
606 |
|
if (r->rot >= FHUGE) { |
607 |
< |
(*putreal)(0.0); |
580 |
< |
(*putreal)(0.0); |
581 |
< |
(*putreal)(0.0); |
607 |
> |
(*putreal)(vdummy, 3); |
608 |
|
return; |
609 |
|
} |
610 |
|
raynormal(pnorm, r); |
611 |
< |
(*putreal)(pnorm[0]); |
586 |
< |
(*putreal)(pnorm[1]); |
587 |
< |
(*putreal)(pnorm[2]); |
611 |
> |
(*putreal)(pnorm, 3); |
612 |
|
} |
613 |
|
|
614 |
|
|
615 |
|
static void |
616 |
< |
oputs(r) /* print name */ |
617 |
< |
register RAY *r; |
616 |
> |
oputs( /* print name */ |
617 |
> |
RAY *r |
618 |
> |
) |
619 |
|
{ |
620 |
|
if (r->ro != NULL) |
621 |
|
fputs(r->ro->oname, stdout); |
626 |
|
|
627 |
|
|
628 |
|
static void |
629 |
< |
oputw(r) /* print weight */ |
630 |
< |
register RAY *r; |
629 |
> |
oputw( /* print weight */ |
630 |
> |
RAY *r |
631 |
> |
) |
632 |
|
{ |
633 |
< |
(*putreal)(r->rweight); |
633 |
> |
RREAL rwt = r->rweight; |
634 |
> |
|
635 |
> |
(*putreal)(&rwt, 1); |
636 |
|
} |
637 |
|
|
638 |
|
|
639 |
|
static void |
640 |
< |
oputm(r) /* print modifier */ |
641 |
< |
register RAY *r; |
640 |
> |
oputW( /* print coefficient */ |
641 |
> |
RAY *r |
642 |
> |
) |
643 |
|
{ |
644 |
+ |
RREAL contr[3]; |
645 |
+ |
|
646 |
+ |
raycontrib(contr, r, PRIMARY); |
647 |
+ |
(*putreal)(contr, 3); |
648 |
+ |
} |
649 |
+ |
|
650 |
+ |
|
651 |
+ |
static void |
652 |
+ |
oputm( /* print modifier */ |
653 |
+ |
RAY *r |
654 |
+ |
) |
655 |
+ |
{ |
656 |
|
if (r->ro != NULL) |
657 |
|
if (r->ro->omod != OVOID) |
658 |
|
fputs(objptr(r->ro->omod)->oname, stdout); |
665 |
|
|
666 |
|
|
667 |
|
static void |
668 |
< |
puta(v) /* print ascii value */ |
669 |
< |
double v; |
668 |
> |
oputM( /* print material */ |
669 |
> |
RAY *r |
670 |
> |
) |
671 |
|
{ |
672 |
< |
printf("%e\t", v); |
672 |
> |
OBJREC *mat; |
673 |
> |
|
674 |
> |
if (r->ro != NULL) { |
675 |
> |
if ((mat = findmaterial(r->ro)) != NULL) |
676 |
> |
fputs(mat->oname, stdout); |
677 |
> |
else |
678 |
> |
fputs(VOIDID, stdout); |
679 |
> |
} else |
680 |
> |
putchar('*'); |
681 |
> |
putchar('\t'); |
682 |
|
} |
683 |
|
|
684 |
|
|
685 |
|
static void |
686 |
< |
putd(v) /* print binary double */ |
687 |
< |
double v; |
686 |
> |
oputtilde( /* output tilde (spacer) */ |
687 |
> |
RAY *r |
688 |
> |
) |
689 |
|
{ |
690 |
< |
fwrite((char *)&v, sizeof(v), 1, stdout); |
690 |
> |
fputs("~\t", stdout); |
691 |
|
} |
692 |
|
|
693 |
|
|
694 |
|
static void |
695 |
< |
putf(v) /* print binary float */ |
696 |
< |
double v; |
695 |
> |
puta( /* print ascii value(s) */ |
696 |
> |
RREAL *v, int n |
697 |
> |
) |
698 |
|
{ |
699 |
< |
float f = v; |
699 |
> |
if (n == 3) { |
700 |
> |
printf("%e\t%e\t%e\t", v[0], v[1], v[2]); |
701 |
> |
return; |
702 |
> |
} |
703 |
> |
while (n--) |
704 |
> |
printf("%e\t", *v++); |
705 |
> |
} |
706 |
|
|
707 |
< |
fwrite((char *)&f, sizeof(f), 1, stdout); |
707 |
> |
|
708 |
> |
static void |
709 |
> |
putd(RREAL *v, int n) /* print binary double(s) */ |
710 |
> |
{ |
711 |
> |
if (sizeof(RREAL) != sizeof(double)) |
712 |
> |
error(INTERNAL, "code error in putd()"); |
713 |
> |
fwrite(v, sizeof(RREAL), n, stdout); |
714 |
> |
} |
715 |
> |
|
716 |
> |
|
717 |
> |
static void |
718 |
> |
putf(RREAL *v, int n) /* print binary float(s) */ |
719 |
> |
{ |
720 |
> |
float fa[3]; |
721 |
> |
int i; |
722 |
> |
|
723 |
> |
if (n > 3) |
724 |
> |
error(INTERNAL, "code error in putf()"); |
725 |
> |
for (i = n; i--; ) |
726 |
> |
fa[i] = v[i]; |
727 |
> |
fwrite(fa, sizeof(float), n, stdout); |
728 |
|
} |