1 |
greg |
1.1 |
#ifndef lint |
2 |
greg |
2.61 |
static const char RCSid[] = "$Id: rtrace.c,v 2.60 2009/12/14 03:15:45 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
|
|
/* |
5 |
|
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* rtrace.c - program and variables for individual ray tracing. |
6 |
greg |
2.27 |
*/ |
7 |
|
|
|
8 |
greg |
2.28 |
#include "copyright.h" |
9 |
greg |
1.1 |
|
10 |
|
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/* |
11 |
|
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* Input is in the form: |
12 |
|
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* |
13 |
|
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* xorg yorg zorg xdir ydir zdir |
14 |
|
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* |
15 |
|
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* The direction need not be normalized. Output is flexible. |
16 |
greg |
1.7 |
* If the direction vector is (0,0,0), then the output is flushed. |
17 |
greg |
1.1 |
* All values default to ascii representation of real |
18 |
|
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* numbers. Binary representations can be selected |
19 |
|
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* with '-ff' for float or '-fd' for double. By default, |
20 |
greg |
1.13 |
* radiance is computed. The '-i' or '-I' options indicate that |
21 |
greg |
1.1 |
* irradiance values are desired. |
22 |
|
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*/ |
23 |
greg |
2.32 |
|
24 |
|
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#include <time.h> |
25 |
greg |
1.1 |
|
26 |
schorsch |
2.30 |
#include "platform.h" |
27 |
greg |
1.1 |
#include "ray.h" |
28 |
schorsch |
2.37 |
#include "ambient.h" |
29 |
|
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#include "source.h" |
30 |
greg |
1.1 |
#include "otypes.h" |
31 |
greg |
2.6 |
#include "resolu.h" |
32 |
schorsch |
2.49 |
#include "random.h" |
33 |
greg |
2.6 |
|
34 |
greg |
2.57 |
extern int inform; /* input format */ |
35 |
|
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extern int outform; /* output format */ |
36 |
|
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extern char *outvals; /* output values */ |
37 |
greg |
2.27 |
|
38 |
greg |
2.57 |
extern int imm_irrad; /* compute immediate irradiance? */ |
39 |
|
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extern int lim_dist; /* limit distance? */ |
40 |
greg |
1.14 |
|
41 |
greg |
2.57 |
extern char *tralist[]; /* list of modifers to trace (or no) */ |
42 |
|
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extern int traincl; /* include == 1, exclude == 0 */ |
43 |
greg |
1.13 |
|
44 |
greg |
2.57 |
extern int hresolu; /* horizontal resolution */ |
45 |
|
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extern int vresolu; /* vertical resolution */ |
46 |
greg |
1.1 |
|
47 |
greg |
2.57 |
static int castonly = 0; |
48 |
greg |
2.55 |
|
49 |
greg |
2.46 |
#ifndef MAXTSET |
50 |
greg |
2.55 |
#define MAXTSET 8191 /* maximum number in trace set */ |
51 |
greg |
2.46 |
#endif |
52 |
greg |
2.15 |
OBJECT traset[MAXTSET+1]={0}; /* trace include/exclude set */ |
53 |
|
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|
54 |
greg |
1.1 |
static RAY thisray; /* for our convenience */ |
55 |
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|
56 |
schorsch |
2.37 |
typedef void putf_t(double v); |
57 |
|
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static putf_t puta, putd, putf; |
58 |
greg |
1.1 |
|
59 |
schorsch |
2.37 |
typedef void oputf_t(RAY *r); |
60 |
greg |
2.51 |
static oputf_t oputo, oputd, oputv, oputV, oputl, oputL, oputc, oputp, |
61 |
greg |
2.42 |
oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
62 |
schorsch |
2.37 |
|
63 |
|
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static void setoutput(char *vs); |
64 |
greg |
2.57 |
extern void tranotify(OBJECT obj); |
65 |
schorsch |
2.37 |
static void bogusray(void); |
66 |
greg |
2.59 |
static void raycast(RAY *r); |
67 |
|
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static void rayirrad(RAY *r); |
68 |
|
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static void rtcompute(FVECT org, FVECT dir, double dmax); |
69 |
greg |
2.57 |
static int printvals(RAY *r); |
70 |
|
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static int getvec(FVECT vec, int fmt, FILE *fp); |
71 |
|
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static void tabin(RAY *r); |
72 |
|
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static void ourtrace(RAY *r); |
73 |
greg |
1.1 |
|
74 |
schorsch |
2.37 |
static oputf_t *ray_out[16], *every_out[16]; |
75 |
|
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static putf_t *putreal; |
76 |
greg |
2.27 |
|
77 |
greg |
1.1 |
|
78 |
greg |
2.27 |
void |
79 |
schorsch |
2.37 |
quit( /* quit program */ |
80 |
|
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int code |
81 |
|
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) |
82 |
greg |
1.1 |
{ |
83 |
greg |
2.57 |
if (ray_pnprocs > 0) /* close children if any */ |
84 |
|
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ray_pclose(0); |
85 |
|
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#ifndef NON_POSIX |
86 |
greg |
2.58 |
else if (!ray_pnprocs) { |
87 |
|
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headclean(); /* delete header file */ |
88 |
|
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pfclean(); /* clean up persist files */ |
89 |
|
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} |
90 |
greg |
2.11 |
#endif |
91 |
greg |
1.1 |
exit(code); |
92 |
|
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} |
93 |
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|
94 |
|
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|
95 |
greg |
2.57 |
char * |
96 |
schorsch |
2.37 |
formstr( /* return format identifier */ |
97 |
|
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int f |
98 |
|
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) |
99 |
greg |
2.6 |
{ |
100 |
|
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switch (f) { |
101 |
|
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case 'a': return("ascii"); |
102 |
|
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case 'f': return("float"); |
103 |
|
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case 'd': return("double"); |
104 |
|
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case 'c': return(COLRFMT); |
105 |
|
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} |
106 |
|
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return("unknown"); |
107 |
|
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} |
108 |
|
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|
109 |
|
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|
110 |
schorsch |
2.37 |
extern void |
111 |
|
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rtrace( /* trace rays from file */ |
112 |
greg |
2.59 |
char *fname, |
113 |
|
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int nproc |
114 |
schorsch |
2.37 |
) |
115 |
greg |
1.1 |
{ |
116 |
greg |
2.45 |
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
117 |
|
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: vresolu; |
118 |
greg |
1.1 |
long nextflush = hresolu; |
119 |
|
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FILE *fp; |
120 |
gregl |
2.25 |
double d; |
121 |
greg |
1.2 |
FVECT orig, direc; |
122 |
greg |
1.1 |
/* set up input */ |
123 |
|
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if (fname == NULL) |
124 |
|
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fp = stdin; |
125 |
|
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else if ((fp = fopen(fname, "r")) == NULL) { |
126 |
|
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sprintf(errmsg, "cannot open input file \"%s\"", fname); |
127 |
|
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error(SYSTEM, errmsg); |
128 |
|
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} |
129 |
greg |
2.8 |
if (inform != 'a') |
130 |
schorsch |
2.30 |
SET_FILE_BINARY(fp); |
131 |
greg |
1.1 |
/* set up output */ |
132 |
greg |
2.16 |
setoutput(outvals); |
133 |
greg |
2.59 |
if (imm_irrad) |
134 |
|
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castonly = 0; |
135 |
|
|
else if (castonly) |
136 |
|
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nproc = 1; /* don't bother multiprocessing */ |
137 |
greg |
1.1 |
switch (outform) { |
138 |
|
|
case 'a': putreal = puta; break; |
139 |
|
|
case 'f': putreal = putf; break; |
140 |
|
|
case 'd': putreal = putd; break; |
141 |
greg |
2.6 |
case 'c': |
142 |
|
|
if (strcmp(outvals, "v")) |
143 |
|
|
error(USER, "color format with value output only"); |
144 |
|
|
break; |
145 |
|
|
default: |
146 |
|
|
error(CONSISTENCY, "botched output format"); |
147 |
greg |
1.1 |
} |
148 |
greg |
2.59 |
if (nproc > 1) { /* start multiprocessing */ |
149 |
|
|
ray_popen(nproc); |
150 |
greg |
2.58 |
ray_fifo_out = printvals; |
151 |
greg |
2.59 |
} |
152 |
greg |
2.12 |
if (hresolu > 0) { |
153 |
|
|
if (vresolu > 0) |
154 |
|
|
fprtresolu(hresolu, vresolu, stdout); |
155 |
|
|
fflush(stdout); |
156 |
|
|
} |
157 |
greg |
1.1 |
/* process file */ |
158 |
|
|
while (getvec(orig, inform, fp) == 0 && |
159 |
|
|
getvec(direc, inform, fp) == 0) { |
160 |
|
|
|
161 |
gregl |
2.25 |
d = normalize(direc); |
162 |
|
|
if (d == 0.0) { /* zero ==> flush */ |
163 |
greg |
2.59 |
if (nproc > 1 && ray_fifo_flush() < 0) |
164 |
greg |
2.57 |
error(USER, "lost children"); |
165 |
gregl |
2.24 |
bogusray(); |
166 |
greg |
2.45 |
if (--nextflush <= 0 || !vcount) { |
167 |
gregl |
2.24 |
fflush(stdout); |
168 |
|
|
nextflush = hresolu; |
169 |
|
|
} |
170 |
greg |
2.57 |
} else { /* compute and print */ |
171 |
greg |
2.59 |
rtcompute(orig, direc, lim_dist ? d : 0.0); |
172 |
greg |
1.7 |
/* flush if time */ |
173 |
greg |
2.45 |
if (!--nextflush) { |
174 |
greg |
2.59 |
if (nproc > 1 && ray_fifo_flush() < 0) |
175 |
greg |
2.57 |
error(USER, "lost children"); |
176 |
gregl |
2.24 |
fflush(stdout); |
177 |
|
|
nextflush = hresolu; |
178 |
|
|
} |
179 |
greg |
1.1 |
} |
180 |
|
|
if (ferror(stdout)) |
181 |
|
|
error(SYSTEM, "write error"); |
182 |
greg |
2.45 |
if (vcount && !--vcount) /* check for end */ |
183 |
greg |
1.1 |
break; |
184 |
|
|
} |
185 |
greg |
2.59 |
if (nproc > 1) { /* clean up children */ |
186 |
|
|
if (ray_fifo_flush() < 0) |
187 |
|
|
error(USER, "unable to complete processing"); |
188 |
|
|
ray_pclose(0); |
189 |
|
|
} |
190 |
greg |
2.50 |
if (fflush(stdout) < 0) |
191 |
|
|
error(SYSTEM, "write error"); |
192 |
greg |
2.45 |
if (vcount) |
193 |
greg |
2.42 |
error(USER, "unexpected EOF on input"); |
194 |
greg |
2.12 |
if (fname != NULL) |
195 |
|
|
fclose(fp); |
196 |
greg |
1.1 |
} |
197 |
|
|
|
198 |
|
|
|
199 |
schorsch |
2.37 |
static void |
200 |
greg |
2.40 |
trace_sources(void) /* trace rays to light sources, also */ |
201 |
|
|
{ |
202 |
|
|
int sn; |
203 |
|
|
|
204 |
|
|
for (sn = 0; sn < nsources; sn++) |
205 |
|
|
source[sn].sflags |= SFOLLOW; |
206 |
|
|
} |
207 |
|
|
|
208 |
|
|
|
209 |
|
|
static void |
210 |
schorsch |
2.37 |
setoutput( /* set up output tables */ |
211 |
greg |
2.56 |
char *vs |
212 |
schorsch |
2.37 |
) |
213 |
greg |
1.1 |
{ |
214 |
greg |
2.56 |
oputf_t **table = ray_out; |
215 |
greg |
1.1 |
|
216 |
greg |
1.11 |
castonly = 1; |
217 |
greg |
1.1 |
while (*vs) |
218 |
|
|
switch (*vs++) { |
219 |
greg |
2.40 |
case 'T': /* trace sources */ |
220 |
greg |
2.42 |
if (!*vs) break; |
221 |
greg |
2.40 |
trace_sources(); |
222 |
|
|
/* fall through */ |
223 |
greg |
1.1 |
case 't': /* trace */ |
224 |
greg |
2.42 |
if (!*vs) break; |
225 |
greg |
1.1 |
*table = NULL; |
226 |
|
|
table = every_out; |
227 |
|
|
trace = ourtrace; |
228 |
greg |
1.11 |
castonly = 0; |
229 |
greg |
1.1 |
break; |
230 |
|
|
case 'o': /* origin */ |
231 |
|
|
*table++ = oputo; |
232 |
|
|
break; |
233 |
|
|
case 'd': /* direction */ |
234 |
|
|
*table++ = oputd; |
235 |
|
|
break; |
236 |
|
|
case 'v': /* value */ |
237 |
|
|
*table++ = oputv; |
238 |
greg |
1.11 |
castonly = 0; |
239 |
greg |
1.1 |
break; |
240 |
greg |
2.51 |
case 'V': /* contribution */ |
241 |
|
|
*table++ = oputV; |
242 |
|
|
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
243 |
|
|
error(WARNING, |
244 |
|
|
"-otV accuracy depends on -aa 0 -as 0"); |
245 |
|
|
break; |
246 |
greg |
2.5 |
case 'l': /* effective distance */ |
247 |
greg |
1.1 |
*table++ = oputl; |
248 |
greg |
1.11 |
castonly = 0; |
249 |
greg |
1.1 |
break; |
250 |
greg |
2.29 |
case 'c': /* local coordinates */ |
251 |
|
|
*table++ = oputc; |
252 |
|
|
break; |
253 |
greg |
2.5 |
case 'L': /* single ray length */ |
254 |
|
|
*table++ = oputL; |
255 |
|
|
break; |
256 |
greg |
1.1 |
case 'p': /* point */ |
257 |
|
|
*table++ = oputp; |
258 |
|
|
break; |
259 |
greg |
2.9 |
case 'n': /* perturbed normal */ |
260 |
greg |
1.1 |
*table++ = oputn; |
261 |
greg |
2.9 |
castonly = 0; |
262 |
greg |
1.1 |
break; |
263 |
greg |
2.9 |
case 'N': /* unperturbed normal */ |
264 |
|
|
*table++ = oputN; |
265 |
|
|
break; |
266 |
greg |
1.1 |
case 's': /* surface */ |
267 |
|
|
*table++ = oputs; |
268 |
|
|
break; |
269 |
|
|
case 'w': /* weight */ |
270 |
|
|
*table++ = oputw; |
271 |
|
|
break; |
272 |
greg |
2.40 |
case 'W': /* coefficient */ |
273 |
|
|
*table++ = oputW; |
274 |
|
|
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
275 |
|
|
error(WARNING, |
276 |
greg |
2.41 |
"-otW accuracy depends on -aa 0 -as 0"); |
277 |
greg |
2.40 |
break; |
278 |
greg |
1.1 |
case 'm': /* modifier */ |
279 |
|
|
*table++ = oputm; |
280 |
|
|
break; |
281 |
greg |
2.39 |
case 'M': /* material */ |
282 |
|
|
*table++ = oputM; |
283 |
|
|
break; |
284 |
greg |
2.42 |
case '~': /* tilde */ |
285 |
|
|
*table++ = oputtilde; |
286 |
greg |
2.41 |
break; |
287 |
greg |
1.1 |
} |
288 |
|
|
*table = NULL; |
289 |
gregl |
2.24 |
} |
290 |
|
|
|
291 |
|
|
|
292 |
schorsch |
2.37 |
static void |
293 |
|
|
bogusray(void) /* print out empty record */ |
294 |
gregl |
2.24 |
{ |
295 |
|
|
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
296 |
|
|
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
297 |
greg |
2.40 |
thisray.rmax = 0.0; |
298 |
|
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
299 |
gregl |
2.24 |
printvals(&thisray); |
300 |
greg |
1.1 |
} |
301 |
|
|
|
302 |
|
|
|
303 |
schorsch |
2.37 |
static void |
304 |
greg |
2.59 |
raycast( /* compute first ray intersection only */ |
305 |
|
|
RAY *r |
306 |
schorsch |
2.37 |
) |
307 |
greg |
1.1 |
{ |
308 |
greg |
2.59 |
if (!localhit(r, &thescene)) { |
309 |
|
|
if (r->ro == &Aftplane) { /* clipped */ |
310 |
|
|
r->ro = NULL; |
311 |
|
|
r->rot = FHUGE; |
312 |
|
|
} else |
313 |
|
|
sourcehit(r); |
314 |
greg |
2.57 |
} |
315 |
greg |
1.1 |
} |
316 |
|
|
|
317 |
|
|
|
318 |
schorsch |
2.37 |
static void |
319 |
greg |
2.59 |
rayirrad( /* compute irradiance rather than radiance */ |
320 |
|
|
RAY *r |
321 |
|
|
) |
322 |
|
|
{ |
323 |
|
|
r->rot = 1e-5; /* pretend we hit surface */ |
324 |
|
|
VSUM(r->rop, r->rorg, r->rdir, r->rot); |
325 |
|
|
r->ron[0] = -r->rdir[0]; |
326 |
|
|
r->ron[1] = -r->rdir[1]; |
327 |
|
|
r->ron[2] = -r->rdir[2]; |
328 |
|
|
r->rod = 1.0; |
329 |
greg |
2.61 |
r->revf = raytrace; |
330 |
greg |
2.59 |
/* compute result */ |
331 |
|
|
(*ofun[Lamb.otype].funp)(&Lamb, r); |
332 |
|
|
} |
333 |
|
|
|
334 |
|
|
|
335 |
|
|
static void |
336 |
|
|
rtcompute( /* compute and print ray value(s) */ |
337 |
schorsch |
2.37 |
FVECT org, |
338 |
greg |
2.59 |
FVECT dir, |
339 |
|
|
double dmax |
340 |
schorsch |
2.37 |
) |
341 |
greg |
1.1 |
{ |
342 |
greg |
2.60 |
/* set up ray */ |
343 |
|
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
344 |
|
|
if (imm_irrad) { |
345 |
greg |
2.59 |
VSUM(thisray.rorg, org, dir, 1.1e-4); |
346 |
|
|
thisray.rdir[0] = -dir[0]; |
347 |
|
|
thisray.rdir[1] = -dir[1]; |
348 |
|
|
thisray.rdir[2] = -dir[2]; |
349 |
|
|
thisray.rmax = 0.0; |
350 |
greg |
2.60 |
thisray.revf = rayirrad; |
351 |
greg |
2.59 |
} else { |
352 |
|
|
VCOPY(thisray.rorg, org); |
353 |
|
|
VCOPY(thisray.rdir, dir); |
354 |
|
|
thisray.rmax = dmax; |
355 |
greg |
2.60 |
if (castonly) |
356 |
|
|
thisray.revf = raycast; |
357 |
greg |
2.59 |
} |
358 |
|
|
if (ray_pnprocs > 1) { /* multiprocessing FIFO? */ |
359 |
|
|
if (ray_fifo_in(&thisray) < 0) |
360 |
|
|
error(USER, "lost children"); |
361 |
|
|
return; |
362 |
|
|
} |
363 |
|
|
samplendx++; /* else do it ourselves */ |
364 |
|
|
rayvalue(&thisray); |
365 |
greg |
2.16 |
printvals(&thisray); |
366 |
|
|
} |
367 |
|
|
|
368 |
|
|
|
369 |
greg |
2.57 |
static int |
370 |
schorsch |
2.37 |
printvals( /* print requested ray values */ |
371 |
|
|
RAY *r |
372 |
|
|
) |
373 |
greg |
2.16 |
{ |
374 |
greg |
2.56 |
oputf_t **tp; |
375 |
greg |
2.16 |
|
376 |
|
|
if (ray_out[0] == NULL) |
377 |
greg |
2.57 |
return(0); |
378 |
greg |
2.16 |
for (tp = ray_out; *tp != NULL; tp++) |
379 |
|
|
(**tp)(r); |
380 |
greg |
1.1 |
if (outform == 'a') |
381 |
|
|
putchar('\n'); |
382 |
greg |
2.57 |
return(1); |
383 |
greg |
1.1 |
} |
384 |
|
|
|
385 |
|
|
|
386 |
schorsch |
2.37 |
static int |
387 |
|
|
getvec( /* get a vector from fp */ |
388 |
greg |
2.56 |
FVECT vec, |
389 |
schorsch |
2.37 |
int fmt, |
390 |
|
|
FILE *fp |
391 |
|
|
) |
392 |
greg |
1.1 |
{ |
393 |
|
|
static float vf[3]; |
394 |
greg |
2.5 |
static double vd[3]; |
395 |
greg |
1.19 |
char buf[32]; |
396 |
greg |
2.56 |
int i; |
397 |
greg |
1.1 |
|
398 |
|
|
switch (fmt) { |
399 |
|
|
case 'a': /* ascii */ |
400 |
greg |
1.19 |
for (i = 0; i < 3; i++) { |
401 |
|
|
if (fgetword(buf, sizeof(buf), fp) == NULL || |
402 |
|
|
!isflt(buf)) |
403 |
|
|
return(-1); |
404 |
|
|
vec[i] = atof(buf); |
405 |
|
|
} |
406 |
greg |
1.1 |
break; |
407 |
|
|
case 'f': /* binary float */ |
408 |
greg |
1.8 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
409 |
greg |
1.1 |
return(-1); |
410 |
greg |
2.58 |
VCOPY(vec, vf); |
411 |
greg |
1.1 |
break; |
412 |
|
|
case 'd': /* binary double */ |
413 |
greg |
2.5 |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
414 |
greg |
1.1 |
return(-1); |
415 |
greg |
2.58 |
VCOPY(vec, vd); |
416 |
greg |
1.1 |
break; |
417 |
greg |
2.6 |
default: |
418 |
|
|
error(CONSISTENCY, "botched input format"); |
419 |
greg |
1.1 |
} |
420 |
|
|
return(0); |
421 |
|
|
} |
422 |
|
|
|
423 |
|
|
|
424 |
greg |
2.57 |
void |
425 |
schorsch |
2.37 |
tranotify( /* record new modifier */ |
426 |
|
|
OBJECT obj |
427 |
|
|
) |
428 |
greg |
2.15 |
{ |
429 |
|
|
static int hitlimit = 0; |
430 |
greg |
2.56 |
OBJREC *o = objptr(obj); |
431 |
|
|
char **tralp; |
432 |
greg |
2.15 |
|
433 |
greg |
2.27 |
if (obj == OVOID) { /* starting over */ |
434 |
|
|
traset[0] = 0; |
435 |
|
|
hitlimit = 0; |
436 |
|
|
return; |
437 |
|
|
} |
438 |
greg |
2.15 |
if (hitlimit || !ismodifier(o->otype)) |
439 |
|
|
return; |
440 |
|
|
for (tralp = tralist; *tralp != NULL; tralp++) |
441 |
|
|
if (!strcmp(o->oname, *tralp)) { |
442 |
|
|
if (traset[0] >= MAXTSET) { |
443 |
|
|
error(WARNING, "too many modifiers in trace list"); |
444 |
|
|
hitlimit++; |
445 |
|
|
return; /* should this be fatal? */ |
446 |
|
|
} |
447 |
|
|
insertelem(traset, obj); |
448 |
|
|
return; |
449 |
|
|
} |
450 |
|
|
} |
451 |
|
|
|
452 |
|
|
|
453 |
greg |
2.27 |
static void |
454 |
schorsch |
2.37 |
ourtrace( /* print ray values */ |
455 |
|
|
RAY *r |
456 |
|
|
) |
457 |
greg |
1.1 |
{ |
458 |
greg |
2.56 |
oputf_t **tp; |
459 |
greg |
1.1 |
|
460 |
|
|
if (every_out[0] == NULL) |
461 |
greg |
2.15 |
return; |
462 |
greg |
2.16 |
if (r->ro == NULL) { |
463 |
|
|
if (traincl == 1) |
464 |
|
|
return; |
465 |
|
|
} else if (traincl != -1 && traincl != inset(traset, r->ro->omod)) |
466 |
greg |
1.1 |
return; |
467 |
|
|
tabin(r); |
468 |
|
|
for (tp = every_out; *tp != NULL; tp++) |
469 |
|
|
(**tp)(r); |
470 |
greg |
2.41 |
if (outform == 'a') |
471 |
|
|
putchar('\n'); |
472 |
greg |
1.1 |
} |
473 |
|
|
|
474 |
|
|
|
475 |
greg |
2.27 |
static void |
476 |
schorsch |
2.37 |
tabin( /* tab in appropriate amount */ |
477 |
|
|
RAY *r |
478 |
|
|
) |
479 |
greg |
1.1 |
{ |
480 |
greg |
2.40 |
const RAY *rp; |
481 |
greg |
1.1 |
|
482 |
|
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
483 |
|
|
putchar('\t'); |
484 |
|
|
} |
485 |
|
|
|
486 |
|
|
|
487 |
greg |
2.27 |
static void |
488 |
schorsch |
2.37 |
oputo( /* print origin */ |
489 |
|
|
RAY *r |
490 |
|
|
) |
491 |
greg |
1.1 |
{ |
492 |
|
|
(*putreal)(r->rorg[0]); |
493 |
|
|
(*putreal)(r->rorg[1]); |
494 |
|
|
(*putreal)(r->rorg[2]); |
495 |
|
|
} |
496 |
|
|
|
497 |
|
|
|
498 |
greg |
2.27 |
static void |
499 |
schorsch |
2.37 |
oputd( /* print direction */ |
500 |
|
|
RAY *r |
501 |
|
|
) |
502 |
greg |
1.1 |
{ |
503 |
|
|
(*putreal)(r->rdir[0]); |
504 |
|
|
(*putreal)(r->rdir[1]); |
505 |
|
|
(*putreal)(r->rdir[2]); |
506 |
|
|
} |
507 |
|
|
|
508 |
|
|
|
509 |
greg |
2.27 |
static void |
510 |
schorsch |
2.37 |
oputv( /* print value */ |
511 |
|
|
RAY *r |
512 |
|
|
) |
513 |
greg |
1.1 |
{ |
514 |
greg |
2.6 |
if (outform == 'c') { |
515 |
greg |
2.41 |
COLR cout; |
516 |
greg |
2.6 |
setcolr(cout, colval(r->rcol,RED), |
517 |
|
|
colval(r->rcol,GRN), |
518 |
|
|
colval(r->rcol,BLU)); |
519 |
|
|
fwrite((char *)cout, sizeof(cout), 1, stdout); |
520 |
|
|
return; |
521 |
|
|
} |
522 |
greg |
1.1 |
(*putreal)(colval(r->rcol,RED)); |
523 |
|
|
(*putreal)(colval(r->rcol,GRN)); |
524 |
|
|
(*putreal)(colval(r->rcol,BLU)); |
525 |
|
|
} |
526 |
|
|
|
527 |
|
|
|
528 |
greg |
2.27 |
static void |
529 |
greg |
2.51 |
oputV( /* print value contribution */ |
530 |
|
|
RAY *r |
531 |
|
|
) |
532 |
|
|
{ |
533 |
|
|
double contr[3]; |
534 |
|
|
|
535 |
|
|
raycontrib(contr, r, PRIMARY); |
536 |
|
|
multcolor(contr, r->rcol); |
537 |
|
|
(*putreal)(contr[RED]); |
538 |
|
|
(*putreal)(contr[GRN]); |
539 |
|
|
(*putreal)(contr[BLU]); |
540 |
|
|
} |
541 |
|
|
|
542 |
|
|
|
543 |
|
|
static void |
544 |
schorsch |
2.37 |
oputl( /* print effective distance */ |
545 |
|
|
RAY *r |
546 |
|
|
) |
547 |
greg |
1.1 |
{ |
548 |
greg |
1.9 |
(*putreal)(r->rt); |
549 |
greg |
2.5 |
} |
550 |
|
|
|
551 |
|
|
|
552 |
greg |
2.27 |
static void |
553 |
schorsch |
2.37 |
oputL( /* print single ray length */ |
554 |
|
|
RAY *r |
555 |
|
|
) |
556 |
greg |
2.5 |
{ |
557 |
|
|
(*putreal)(r->rot); |
558 |
greg |
1.1 |
} |
559 |
|
|
|
560 |
|
|
|
561 |
greg |
2.27 |
static void |
562 |
schorsch |
2.37 |
oputc( /* print local coordinates */ |
563 |
|
|
RAY *r |
564 |
|
|
) |
565 |
greg |
2.29 |
{ |
566 |
|
|
(*putreal)(r->uv[0]); |
567 |
|
|
(*putreal)(r->uv[1]); |
568 |
|
|
} |
569 |
|
|
|
570 |
|
|
|
571 |
|
|
static void |
572 |
schorsch |
2.37 |
oputp( /* print point */ |
573 |
|
|
RAY *r |
574 |
|
|
) |
575 |
greg |
1.1 |
{ |
576 |
|
|
if (r->rot < FHUGE) { |
577 |
|
|
(*putreal)(r->rop[0]); |
578 |
|
|
(*putreal)(r->rop[1]); |
579 |
|
|
(*putreal)(r->rop[2]); |
580 |
|
|
} else { |
581 |
|
|
(*putreal)(0.0); |
582 |
|
|
(*putreal)(0.0); |
583 |
|
|
(*putreal)(0.0); |
584 |
|
|
} |
585 |
|
|
} |
586 |
|
|
|
587 |
|
|
|
588 |
greg |
2.27 |
static void |
589 |
schorsch |
2.37 |
oputN( /* print unperturbed normal */ |
590 |
|
|
RAY *r |
591 |
|
|
) |
592 |
greg |
1.1 |
{ |
593 |
|
|
if (r->rot < FHUGE) { |
594 |
|
|
(*putreal)(r->ron[0]); |
595 |
|
|
(*putreal)(r->ron[1]); |
596 |
|
|
(*putreal)(r->ron[2]); |
597 |
|
|
} else { |
598 |
|
|
(*putreal)(0.0); |
599 |
|
|
(*putreal)(0.0); |
600 |
|
|
(*putreal)(0.0); |
601 |
|
|
} |
602 |
greg |
2.9 |
} |
603 |
|
|
|
604 |
|
|
|
605 |
greg |
2.27 |
static void |
606 |
schorsch |
2.37 |
oputn( /* print perturbed normal */ |
607 |
|
|
RAY *r |
608 |
|
|
) |
609 |
greg |
2.9 |
{ |
610 |
|
|
FVECT pnorm; |
611 |
|
|
|
612 |
|
|
if (r->rot >= FHUGE) { |
613 |
|
|
(*putreal)(0.0); |
614 |
|
|
(*putreal)(0.0); |
615 |
|
|
(*putreal)(0.0); |
616 |
|
|
return; |
617 |
|
|
} |
618 |
|
|
raynormal(pnorm, r); |
619 |
|
|
(*putreal)(pnorm[0]); |
620 |
|
|
(*putreal)(pnorm[1]); |
621 |
|
|
(*putreal)(pnorm[2]); |
622 |
greg |
1.1 |
} |
623 |
|
|
|
624 |
|
|
|
625 |
greg |
2.27 |
static void |
626 |
schorsch |
2.37 |
oputs( /* print name */ |
627 |
|
|
RAY *r |
628 |
|
|
) |
629 |
greg |
1.1 |
{ |
630 |
|
|
if (r->ro != NULL) |
631 |
|
|
fputs(r->ro->oname, stdout); |
632 |
|
|
else |
633 |
|
|
putchar('*'); |
634 |
|
|
putchar('\t'); |
635 |
|
|
} |
636 |
|
|
|
637 |
|
|
|
638 |
greg |
2.27 |
static void |
639 |
schorsch |
2.37 |
oputw( /* print weight */ |
640 |
|
|
RAY *r |
641 |
|
|
) |
642 |
greg |
1.1 |
{ |
643 |
|
|
(*putreal)(r->rweight); |
644 |
|
|
} |
645 |
|
|
|
646 |
|
|
|
647 |
greg |
2.27 |
static void |
648 |
greg |
2.51 |
oputW( /* print coefficient */ |
649 |
greg |
2.40 |
RAY *r |
650 |
|
|
) |
651 |
|
|
{ |
652 |
greg |
2.48 |
double contr[3]; |
653 |
greg |
2.40 |
|
654 |
|
|
raycontrib(contr, r, PRIMARY); |
655 |
greg |
2.48 |
(*putreal)(contr[RED]); |
656 |
|
|
(*putreal)(contr[GRN]); |
657 |
|
|
(*putreal)(contr[BLU]); |
658 |
greg |
2.40 |
} |
659 |
|
|
|
660 |
|
|
|
661 |
|
|
static void |
662 |
schorsch |
2.37 |
oputm( /* print modifier */ |
663 |
|
|
RAY *r |
664 |
|
|
) |
665 |
greg |
1.1 |
{ |
666 |
|
|
if (r->ro != NULL) |
667 |
greg |
2.23 |
if (r->ro->omod != OVOID) |
668 |
|
|
fputs(objptr(r->ro->omod)->oname, stdout); |
669 |
|
|
else |
670 |
|
|
fputs(VOIDID, stdout); |
671 |
greg |
1.1 |
else |
672 |
|
|
putchar('*'); |
673 |
|
|
putchar('\t'); |
674 |
|
|
} |
675 |
|
|
|
676 |
|
|
|
677 |
greg |
2.27 |
static void |
678 |
greg |
2.39 |
oputM( /* print material */ |
679 |
|
|
RAY *r |
680 |
|
|
) |
681 |
|
|
{ |
682 |
|
|
OBJREC *mat; |
683 |
|
|
|
684 |
|
|
if (r->ro != NULL) { |
685 |
|
|
if ((mat = findmaterial(r->ro)) != NULL) |
686 |
|
|
fputs(mat->oname, stdout); |
687 |
|
|
else |
688 |
|
|
fputs(VOIDID, stdout); |
689 |
|
|
} else |
690 |
|
|
putchar('*'); |
691 |
|
|
putchar('\t'); |
692 |
|
|
} |
693 |
|
|
|
694 |
|
|
|
695 |
|
|
static void |
696 |
greg |
2.42 |
oputtilde( /* output tilde (spacer) */ |
697 |
greg |
2.41 |
RAY *r |
698 |
|
|
) |
699 |
|
|
{ |
700 |
greg |
2.42 |
fputs("~\t", stdout); |
701 |
greg |
2.41 |
} |
702 |
|
|
|
703 |
|
|
|
704 |
|
|
static void |
705 |
schorsch |
2.37 |
puta( /* print ascii value */ |
706 |
|
|
double v |
707 |
|
|
) |
708 |
greg |
1.1 |
{ |
709 |
|
|
printf("%e\t", v); |
710 |
|
|
} |
711 |
|
|
|
712 |
|
|
|
713 |
greg |
2.27 |
static void |
714 |
greg |
1.1 |
putd(v) /* print binary double */ |
715 |
|
|
double v; |
716 |
|
|
{ |
717 |
greg |
1.8 |
fwrite((char *)&v, sizeof(v), 1, stdout); |
718 |
greg |
1.1 |
} |
719 |
|
|
|
720 |
|
|
|
721 |
greg |
2.27 |
static void |
722 |
greg |
1.1 |
putf(v) /* print binary float */ |
723 |
|
|
double v; |
724 |
|
|
{ |
725 |
|
|
float f = v; |
726 |
|
|
|
727 |
greg |
1.8 |
fwrite((char *)&f, sizeof(f), 1, stdout); |
728 |
greg |
1.1 |
} |