8 |
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* Make illum sources for optimizing rendering process |
9 |
|
*/ |
10 |
|
|
11 |
< |
#include "standard.h" |
11 |
> |
#include "mkillum.h" |
12 |
|
|
13 |
< |
#include "object.h" |
13 |
> |
#include <ctype.h> |
14 |
|
|
15 |
– |
#include "otypes.h" |
16 |
– |
|
15 |
|
/* default parameters */ |
16 |
|
#define SAMPDENS 128 /* points per projected steradian */ |
17 |
|
#define NSAMPS 32 /* samples per point */ |
29 |
|
/* overriding rtrace options */ |
30 |
|
char *myrtopts[] = { "-I-", "-i-", "-di+", "-ov", "-h-", "-fff", NULL }; |
31 |
|
|
32 |
< |
/* illum flags */ |
35 |
< |
#define IL_FLAT 0x1 /* flat surface */ |
36 |
< |
#define IL_LIGHT 0x2 /* light rather than illum */ |
37 |
< |
#define IL_COLDST 0x4 /* colored distribution */ |
38 |
< |
#define IL_COLAVG 0x8 /* compute average color */ |
39 |
< |
#define IL_DATCLB 0x10 /* OK to clobber data file */ |
32 |
> |
struct rtproc rt; /* our rtrace process */ |
33 |
|
|
34 |
< |
struct illum_args { |
35 |
< |
int flags; /* flags from list above */ |
36 |
< |
char matname[MAXSTR]; /* illum material name */ |
37 |
< |
char datafile[MAXSTR]; /* distribution data file name */ |
38 |
< |
int dfnum; /* data file number */ |
39 |
< |
char altmatname[MAXSTR]; /* alternate material name */ |
40 |
< |
int nsamps; /* # of samples in each direction */ |
41 |
< |
int nalt, nazi; /* # of altitude and azimuth angles */ |
49 |
< |
FVECT orient; /* coordinate system orientation */ |
50 |
< |
} thisillum = { /* default values */ |
51 |
< |
0, |
52 |
< |
DFLMAT, |
53 |
< |
DFLMAT, |
54 |
< |
0, |
55 |
< |
VOIDID, |
56 |
< |
NSAMPS, |
57 |
< |
}; |
34 |
> |
struct illum_args thisillum = { /* our illum and default values */ |
35 |
> |
0, |
36 |
> |
DFLMAT, |
37 |
> |
DFLMAT, |
38 |
> |
0, |
39 |
> |
VOIDID, |
40 |
> |
NSAMPS, |
41 |
> |
}; |
42 |
|
|
43 |
|
int sampdens = SAMPDENS; /* sample point density */ |
44 |
|
char matcheck[MAXSTR]; /* current material to include or exclude */ |
45 |
|
int matselect = S_ALL; /* selection criterion */ |
46 |
|
|
47 |
< |
int rt_pd[3]; /* rtrace pipe descriptors */ |
64 |
< |
float *rt_buf; /* rtrace i/o buffer */ |
65 |
< |
int rt_bsiz; /* maximum rays for rtrace buffer */ |
66 |
< |
int rt_nrays; /* current length of rtrace buffer */ |
47 |
> |
FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
48 |
|
|
49 |
|
int gargc; /* global argc */ |
50 |
|
char **gargv; /* global argv */ |
51 |
|
#define progname gargv[0] |
52 |
|
|
53 |
|
int doneheader = 0; /* printed header yet? */ |
54 |
+ |
#define checkhead() if (!doneheader++) printhead(gargc,gargv) |
55 |
|
|
56 |
+ |
int warnings = 1; /* print warnings? */ |
57 |
+ |
|
58 |
|
extern char *fgetline(), *fgetword(), *sskip(), |
59 |
|
*atos(), *iskip(), *fskip(); |
60 |
|
extern FILE *popen(); |
72 |
|
/* set up rtrace command */ |
73 |
|
if (argc < 2) |
74 |
|
error(USER, "too few arguments"); |
75 |
< |
for (i = 1; i < argc-1; i++) |
75 |
> |
for (i = 1; i < argc-1; i++) { |
76 |
|
rtargv[rtargc++] = argv[i]; |
77 |
+ |
if (argv[i][0] == '-' && argv[i][1] == 'w') |
78 |
+ |
warnings = !warnings; |
79 |
+ |
} |
80 |
|
for (i = 0; myrtopts[i] != NULL; i++) |
81 |
|
rtargv[rtargc++] = myrtopts[i]; |
82 |
|
rtargv[rtargc++] = argv[argc-1]; |
95 |
|
} |
96 |
|
/* else initialize and run our calculation */ |
97 |
|
init(); |
98 |
< |
mkillum(stdin, "standard input"); |
99 |
< |
exit(cleanup()); /* cleanup returns rtrace status */ |
98 |
> |
filter(stdin, "standard input"); |
99 |
> |
quit(0); |
100 |
|
} |
101 |
|
|
102 |
|
|
104 |
|
{ |
105 |
|
int maxbytes; |
106 |
|
|
107 |
< |
maxbytes = open_process(rt_pd, rtargv); |
107 |
> |
maxbytes = open_process(rt.pd, rtargv); |
108 |
|
if (maxbytes == 0) { |
109 |
|
eputs(rtargv[0]); |
110 |
|
eputs(": command not found\n"); |
112 |
|
} |
113 |
|
if (maxbytes < 0) |
114 |
|
error(SYSTEM, "cannot start rtrace process"); |
115 |
< |
rt_bsiz = maxbytes/(6*sizeof(float)); |
116 |
< |
rt_buf = (float *)malloc(rt_bsiz*(6*sizeof(float))); |
117 |
< |
if (rt_buf == NULL) |
115 |
> |
rt.bsiz = maxbytes/(6*sizeof(float)); |
116 |
> |
rt.buf = (float *)malloc(rt.bsiz*(6*sizeof(float))); |
117 |
> |
if (rt.buf == NULL) |
118 |
|
error(SYSTEM, "out of memory in init"); |
119 |
< |
rt_bsiz--; /* allow for flush ray */ |
120 |
< |
rt_nrays = 0; |
119 |
> |
rt.bsiz--; /* allow for flush ray */ |
120 |
> |
rt.nrays = 0; |
121 |
|
} |
122 |
|
|
123 |
|
|
124 |
< |
int |
125 |
< |
cleanup() /* close rtrace process and return status */ |
124 |
> |
quit(status) /* exit with status */ |
125 |
> |
int status; |
126 |
|
{ |
127 |
< |
int status; |
127 |
> |
int rtstat; |
128 |
|
|
129 |
< |
free((char *)rt_buf); |
130 |
< |
rt_bsiz = 0; |
131 |
< |
status = close_process(rt_pd); |
132 |
< |
if (status < 0) |
133 |
< |
return(0); /* unknown status */ |
134 |
< |
return(status); |
129 |
> |
rtstat = close_process(rt.pd); |
130 |
> |
if (status == 0) |
131 |
> |
if (rtstat < 0) |
132 |
> |
error(WARNING, |
133 |
> |
"unknown return status from rtrace process"); |
134 |
> |
else |
135 |
> |
status = rtstat; |
136 |
> |
exit(status); |
137 |
|
} |
138 |
|
|
139 |
|
|
152 |
|
} |
153 |
|
|
154 |
|
|
155 |
< |
mkillum(infp, name) /* process stream */ |
155 |
> |
wputs(s) /* print warning if enabled */ |
156 |
> |
char *s; |
157 |
> |
{ |
158 |
> |
if (warnings) |
159 |
> |
eputs(s); |
160 |
> |
} |
161 |
> |
|
162 |
> |
|
163 |
> |
filter(infp, name) /* process stream */ |
164 |
|
register FILE *infp; |
165 |
|
char *name; |
166 |
|
{ |
174 |
|
if (c == '#') { /* comment/options */ |
175 |
|
buf[0] = c; |
176 |
|
fgets(buf+1, sizeof(buf)-1, infp); |
177 |
< |
fputs(buf, stdout); |
181 |
< |
getoptions(buf, name); |
177 |
> |
xoptions(buf, name); |
178 |
|
} else if (c == '!') { /* command */ |
179 |
|
buf[0] = c; |
180 |
|
fgetline(buf+1, sizeof(buf)-1, infp); |
182 |
|
sprintf(errmsg, "cannot execute \"%s\"", buf); |
183 |
|
error(SYSTEM, errmsg); |
184 |
|
} |
185 |
< |
mkillum(pfp, buf); |
185 |
> |
filter(pfp, buf); |
186 |
|
pclose(pfp); |
187 |
|
} else { /* object */ |
188 |
|
ungetc(c, infp); |
192 |
|
} |
193 |
|
|
194 |
|
|
195 |
< |
getoptions(s, nm) /* get options from string s */ |
195 |
> |
xoptions(s, nm) /* process options in string s */ |
196 |
|
char *s; |
197 |
|
char *nm; |
198 |
|
{ |
201 |
|
int nerrs = 0; |
202 |
|
register char *cp; |
203 |
|
|
204 |
< |
if (strncmp(s, "#@mkillum", 9) || !isspace(s[9])) |
204 |
> |
if (strncmp(s, "#@mkillum", 9) || !isspace(s[9])) { |
205 |
> |
fputs(s, stdout); /* not for us */ |
206 |
|
return; |
207 |
+ |
} |
208 |
|
cp = s+10; |
209 |
|
while (*cp) { |
210 |
|
switch (*cp) { |
214 |
|
cp++; |
215 |
|
continue; |
216 |
|
case 'm': /* material name */ |
217 |
< |
cp++; |
220 |
< |
if (*cp != '=') |
217 |
> |
if (*++cp != '=') |
218 |
|
break; |
219 |
< |
cp++; |
219 |
> |
if (!*++cp) |
220 |
> |
break; |
221 |
|
atos(thisillum.matname, MAXSTR, cp); |
222 |
|
cp = sskip(cp); |
223 |
|
if (!(thisillum.flags & IL_DATCLB)) { |
226 |
|
} |
227 |
|
continue; |
228 |
|
case 'f': /* data file name */ |
229 |
< |
cp++; |
232 |
< |
if (*cp != '=') |
229 |
> |
if (*++cp != '=') |
230 |
|
break; |
231 |
< |
cp++; |
235 |
< |
if (*cp == '\0') { |
231 |
> |
if (!*++cp) { |
232 |
|
thisillum.flags &= ~IL_DATCLB; |
233 |
|
continue; |
234 |
|
} |
239 |
|
continue; |
240 |
|
case 'i': /* include material */ |
241 |
|
case 'e': /* exclude material */ |
242 |
< |
matselect = (*cp++ == 'i') ? S_ELEM : S_COMPL; |
243 |
< |
if (*cp != '=') |
242 |
> |
matselect = (*cp == 'i') ? S_ELEM : S_COMPL; |
243 |
> |
if (*++cp != '=') |
244 |
|
break; |
245 |
< |
cp++; |
250 |
< |
atos(matcheck, MAXSTR, cp); |
245 |
> |
atos(matcheck, MAXSTR, ++cp); |
246 |
|
cp = sskip(cp); |
247 |
|
continue; |
248 |
|
case 'a': /* use everything */ |
254 |
|
matselect = S_NONE; |
255 |
|
continue; |
256 |
|
case 'c': /* color calculation */ |
257 |
< |
cp++; |
263 |
< |
if (*cp != '=') |
257 |
> |
if (*++cp != '=') |
258 |
|
break; |
259 |
< |
cp++; |
266 |
< |
switch (*cp) { |
259 |
> |
switch (*++cp) { |
260 |
|
case 'a': /* average */ |
261 |
|
thisillum.flags |= IL_COLAVG; |
262 |
|
thisillum.flags &= ~IL_COLDST; |
274 |
|
cp = sskip(cp); |
275 |
|
continue; |
276 |
|
case 'd': /* point sample density */ |
277 |
< |
cp++; |
285 |
< |
if (*cp != '=') |
277 |
> |
if (*++cp != '=') |
278 |
|
break; |
279 |
< |
cp++; |
288 |
< |
if (!isintd(cp, " \t\n")) |
279 |
> |
if (!isintd(++cp, " \t\n")) |
280 |
|
break; |
281 |
|
sampdens = atoi(cp); |
282 |
|
cp = sskip(cp); |
283 |
|
continue; |
284 |
|
case 's': /* point super-samples */ |
285 |
< |
cp++; |
295 |
< |
if (*cp != '=') |
285 |
> |
if (*++cp != '=') |
286 |
|
break; |
287 |
< |
cp++; |
298 |
< |
if (!isintd(cp, " \t\n")) |
287 |
> |
if (!isintd(++cp, " \t\n")) |
288 |
|
break; |
289 |
|
thisillum.nsamps = atoi(cp); |
290 |
|
cp = sskip(cp); |
291 |
|
continue; |
292 |
|
case 'o': /* output file */ |
293 |
< |
cp++; |
305 |
< |
if (*cp != '=') |
293 |
> |
if (*++cp != '=') |
294 |
|
break; |
295 |
< |
cp++; |
295 |
> |
if (!*++cp) |
296 |
> |
break; |
297 |
|
atos(buf, sizeof(buf), cp); |
298 |
|
cp = sskip(cp); |
299 |
|
if (freopen(buf, "w", stdout) == NULL) { |
308 |
|
cp = sskip(cp); |
309 |
|
nerrs++; |
310 |
|
} |
311 |
+ |
/* print header? */ |
312 |
+ |
checkhead(); |
313 |
+ |
/* issue warnings? */ |
314 |
|
if (nerrs) { |
315 |
|
sprintf(errmsg, "(%s): %d error(s) in option line:", |
316 |
|
nm, nerrs); |
317 |
|
error(WARNING, errmsg); |
318 |
< |
eputs(s); |
318 |
> |
wputs(s); |
319 |
> |
printf("# %s: the following option line has %d error(s):\n", |
320 |
> |
progname, nerrs); |
321 |
|
} |
322 |
+ |
/* print pure comment */ |
323 |
+ |
putchar('#'); putchar(' '); fputs(s+2, stdout); |
324 |
|
} |
325 |
+ |
|
326 |
+ |
|
327 |
+ |
printhead(ac, av) /* print out header */ |
328 |
+ |
register int ac; |
329 |
+ |
register char **av; |
330 |
+ |
{ |
331 |
+ |
putchar('#'); |
332 |
+ |
while (ac-- > 0) { |
333 |
+ |
putchar(' '); |
334 |
+ |
fputs(*av++, stdout); |
335 |
+ |
} |
336 |
+ |
putchar('\n'); |
337 |
+ |
} |
338 |
+ |
|
339 |
+ |
|
340 |
+ |
xobject(fp, nm) /* translate an object from fp */ |
341 |
+ |
FILE *fp; |
342 |
+ |
char *nm; |
343 |
+ |
{ |
344 |
+ |
OBJREC thisobj; |
345 |
+ |
char str[MAXSTR]; |
346 |
+ |
int doit; |
347 |
+ |
/* read the object */ |
348 |
+ |
if (fgetword(thisillum.altmat, MAXSTR, fp) == NULL) |
349 |
+ |
goto readerr; |
350 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
351 |
+ |
goto readerr; |
352 |
+ |
/* is it an alias? */ |
353 |
+ |
if (!strcmp(str, ALIASID)) { |
354 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
355 |
+ |
goto readerr; |
356 |
+ |
printf("\n%s %s %s", thisillum.altmat, ALIASID, str); |
357 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
358 |
+ |
goto readerr; |
359 |
+ |
printf(" %s\n", str); |
360 |
+ |
return; |
361 |
+ |
} |
362 |
+ |
thisobj.omod = OVOID; |
363 |
+ |
if ((thisobj.otype = otype(str)) < 0) { |
364 |
+ |
sprintf(errmsg, "(%s): unknown type \"%s\"", nm, str); |
365 |
+ |
error(USER, errmsg); |
366 |
+ |
} |
367 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
368 |
+ |
goto readerr; |
369 |
+ |
thisobj.oname = str; |
370 |
+ |
if (readfargs(&thisobj.oargs, fp) != 1) |
371 |
+ |
goto readerr; |
372 |
+ |
thisobj.os = NULL; |
373 |
+ |
/* check for translation */ |
374 |
+ |
switch (matselect) { |
375 |
+ |
case S_NONE: |
376 |
+ |
doit = 0; |
377 |
+ |
break; |
378 |
+ |
case S_ALL: |
379 |
+ |
doit = issurface(thisobj.otype); |
380 |
+ |
break; |
381 |
+ |
case S_ELEM: |
382 |
+ |
doit = !strcmp(thisillum.altmat, matcheck); |
383 |
+ |
break; |
384 |
+ |
case S_COMPL: |
385 |
+ |
doit = strcmp(thisillum.altmat, matcheck); |
386 |
+ |
break; |
387 |
+ |
} |
388 |
+ |
if (doit) /* make sure we can do it */ |
389 |
+ |
switch (thisobj.otype) { |
390 |
+ |
case OBJ_SPHERE: |
391 |
+ |
case OBJ_FACE: |
392 |
+ |
case OBJ_RING: |
393 |
+ |
break; |
394 |
+ |
default: |
395 |
+ |
sprintf(errmsg, |
396 |
+ |
"(%s): cannot make illum for %s \"%s\"", |
397 |
+ |
nm, ofun[thisobj.otype].funame, |
398 |
+ |
thisobj.oname); |
399 |
+ |
error(WARNING, errmsg); |
400 |
+ |
doit = 0; |
401 |
+ |
break; |
402 |
+ |
} |
403 |
+ |
/* print header? */ |
404 |
+ |
checkhead(); |
405 |
+ |
/* process object */ |
406 |
+ |
if (doit) |
407 |
+ |
mkillum(&thisobj, &thisillum, &rt); |
408 |
+ |
else |
409 |
+ |
printobj(thisillum.altmat, &thisobj); |
410 |
+ |
/* free arguments */ |
411 |
+ |
freefargs(&thisobj.oargs); |
412 |
+ |
return; |
413 |
+ |
readerr: |
414 |
+ |
sprintf(errmsg, "(%s): error reading scene", nm); |
415 |
+ |
error(USER, errmsg); |
416 |
+ |
} |
417 |
+ |
|
418 |
+ |
|
419 |
+ |
int |
420 |
+ |
otype(ofname) /* get object function number from its name */ |
421 |
+ |
char *ofname; |
422 |
+ |
{ |
423 |
+ |
register int i; |
424 |
+ |
|
425 |
+ |
for (i = 0; i < NUMOTYPE; i++) |
426 |
+ |
if (!strcmp(ofun[i].funame, ofname)) |
427 |
+ |
return(i); |
428 |
+ |
|
429 |
+ |
return(-1); /* not found */ |
430 |
+ |
} |
431 |
+ |
|
432 |
+ |
|
433 |
+ |
o_default() {} |