1 |
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/* Copyright (c) 1991 Regents of the University of California */ |
2 |
– |
|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
– |
|
4 |
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/* |
5 |
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* Make illum sources for optimizing rendering process |
6 |
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*/ |
7 |
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|
8 |
< |
#include "standard.h" |
8 |
> |
#include <signal.h> |
9 |
> |
#include <ctype.h> |
10 |
|
|
11 |
< |
#include "object.h" |
11 |
> |
#include "platform.h" |
12 |
> |
#include "mkillum.h" |
13 |
> |
#include "random.h" |
14 |
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|
15 |
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#include "otypes.h" |
16 |
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|
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/* default parameters */ |
16 |
< |
#define SAMPDENS 128 /* points per projected steradian */ |
16 |
> |
#define SAMPDENS 48 /* points per projected steradian */ |
17 |
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#define NSAMPS 32 /* samples per point */ |
18 |
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#define DFLMAT "illum_mat" /* material name */ |
19 |
+ |
#define DFLDAT "illum" /* data file name */ |
20 |
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/* selection options */ |
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#define S_NONE 0 /* select none */ |
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#define S_ELEM 1 /* select specified element */ |
24 |
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#define S_ALL 3 /* select all */ |
25 |
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|
26 |
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/* rtrace command and defaults */ |
27 |
< |
char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-ab", "2", |
28 |
< |
"-ad", "256", "-as", "128", "-aa", ".15" }; |
29 |
< |
int rtargc = 13; |
27 |
> |
char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-dv-", |
28 |
> |
"-ab", "2", "-ad", "1024", "-as", "512", "-aa", ".1", }; |
29 |
> |
int rtargc = 14; |
30 |
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/* overriding rtrace options */ |
31 |
< |
char *myrtopts[] = { "-I-", "-i-", "-di+", "-ov", "-h-", "-fff", NULL }; |
31 |
> |
char *myrtopts[] = { "-I-", "-i-", "-ld-", "-ov", "-h-", |
32 |
> |
"-fff", "-y", "0", NULL }; |
33 |
|
|
34 |
< |
/* 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 */ |
34 |
> |
struct rtproc rt; /* our rtrace process */ |
35 |
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|
36 |
< |
struct illum_args { |
37 |
< |
int flags; /* flags from list above */ |
38 |
< |
char matname[MAXSTR]; /* illum material name */ |
39 |
< |
char datafile[MAXSTR]; /* distribution data file name */ |
40 |
< |
int dfnum; /* data file number */ |
41 |
< |
char altmatname[MAXSTR]; /* alternate material name */ |
42 |
< |
int nsamps; /* # of samples in each direction */ |
43 |
< |
int nalt, nazi; /* # of altitude and azimuth angles */ |
44 |
< |
FVECT orient; /* coordinate system orientation */ |
45 |
< |
} thisillum = { /* default values */ |
51 |
< |
0, |
52 |
< |
DFLMAT, |
53 |
< |
DFLMAT, |
54 |
< |
0, |
55 |
< |
VOIDID, |
56 |
< |
NSAMPS, |
57 |
< |
}; |
36 |
> |
struct illum_args thisillum = { /* our illum and default values */ |
37 |
> |
0, |
38 |
> |
DFLMAT, |
39 |
> |
DFLDAT, |
40 |
> |
0, |
41 |
> |
VOIDID, |
42 |
> |
SAMPDENS, |
43 |
> |
NSAMPS, |
44 |
> |
0., |
45 |
> |
}; |
46 |
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|
59 |
– |
int sampdens = SAMPDENS; /* sample point density */ |
47 |
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char matcheck[MAXSTR]; /* current material to include or exclude */ |
48 |
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int matselect = S_ALL; /* selection criterion */ |
49 |
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|
50 |
< |
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 */ |
50 |
> |
FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
51 |
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|
52 |
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int gargc; /* global argc */ |
53 |
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char **gargv; /* global argv */ |
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#define progname gargv[0] |
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|
56 |
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int doneheader = 0; /* printed header yet? */ |
57 |
+ |
#define checkhead() if (!doneheader++) printhead(gargc,gargv) |
58 |
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|
59 |
< |
extern char *fgetline(), *fgetword(), *sskip(), |
75 |
< |
*atos(), *iskip(), *fskip(); |
76 |
< |
extern FILE *popen(); |
59 |
> |
int warnings = 1; /* print warnings? */ |
60 |
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|
61 |
+ |
void init(void); |
62 |
+ |
void filter(register FILE *infp, char *name); |
63 |
+ |
void xoptions(char *s, char *nm); |
64 |
+ |
void printopts(void); |
65 |
+ |
void printhead(register int ac, register char **av); |
66 |
+ |
void xobject(FILE *fp, char *nm); |
67 |
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|
68 |
< |
main(argc, argv) /* compute illum distributions using rtrace */ |
69 |
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int argc; |
70 |
< |
char *argv[]; |
68 |
> |
|
69 |
> |
int |
70 |
> |
main( /* compute illum distributions using rtrace */ |
71 |
> |
int argc, |
72 |
> |
char *argv[] |
73 |
> |
) |
74 |
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{ |
83 |
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extern char *getenv(), *getpath(); |
75 |
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char *rtpath; |
76 |
+ |
FILE *fp; |
77 |
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register int i; |
78 |
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/* set global arguments */ |
79 |
< |
gargc = argc; gargv = argv; |
79 |
> |
gargv = argv; |
80 |
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/* set up rtrace command */ |
81 |
< |
if (argc < 2) |
82 |
< |
error(USER, "too few arguments"); |
83 |
< |
for (i = 1; i < argc-1; i++) |
81 |
> |
for (i = 1; i < argc; i++) { |
82 |
> |
if (argv[i][0] == '<' && argv[i][1] == '\0') |
83 |
> |
break; |
84 |
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rtargv[rtargc++] = argv[i]; |
85 |
+ |
if (argv[i][0] == '-' && argv[i][1] == 'w') |
86 |
+ |
switch (argv[i][2]) { |
87 |
+ |
case '\0': |
88 |
+ |
warnings = !warnings; |
89 |
+ |
break; |
90 |
+ |
case '+': |
91 |
+ |
case 'T': case 't': |
92 |
+ |
case 'Y': case 'y': |
93 |
+ |
case '1': |
94 |
+ |
warnings = 1; |
95 |
+ |
break; |
96 |
+ |
case '-': |
97 |
+ |
case 'F': case 'f': |
98 |
+ |
case 'N': case 'n': |
99 |
+ |
case '0': |
100 |
+ |
warnings = 0; |
101 |
+ |
break; |
102 |
+ |
} |
103 |
+ |
} |
104 |
+ |
gargc = i; |
105 |
+ |
rtargc--; |
106 |
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for (i = 0; myrtopts[i] != NULL; i++) |
107 |
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rtargv[rtargc++] = myrtopts[i]; |
108 |
< |
rtargv[rtargc++] = argv[argc-1]; |
108 |
> |
rtargv[rtargc++] = argv[gargc-1]; |
109 |
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rtargv[rtargc] = NULL; |
110 |
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/* just asking for defaults? */ |
111 |
< |
if (!strcmp(argv[argc-1], "-defaults")) { |
111 |
> |
if (!strcmp(argv[gargc-1], "-defaults")) { |
112 |
> |
printopts(); fflush(stdout); |
113 |
|
rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
114 |
|
if (rtpath == NULL) { |
115 |
|
eputs(rtargv[0]); |
120 |
|
perror(rtpath); |
121 |
|
exit(1); |
122 |
|
} |
123 |
+ |
if (gargc < 2 || argv[gargc-1][0] == '-') |
124 |
+ |
error(USER, "missing octree argument"); |
125 |
|
/* else initialize and run our calculation */ |
126 |
|
init(); |
127 |
< |
mkillum(stdin, "standard input"); |
128 |
< |
exit(cleanup()); /* cleanup returns rtrace status */ |
127 |
> |
if (gargc+1 < argc) |
128 |
> |
for (i = gargc+1; i < argc; i++) { |
129 |
> |
if ((fp = fopen(argv[i], "r")) == NULL) { |
130 |
> |
sprintf(errmsg, |
131 |
> |
"cannot open scene file \"%s\"", argv[i]); |
132 |
> |
error(SYSTEM, errmsg); |
133 |
> |
} |
134 |
> |
filter(fp, argv[i]); |
135 |
> |
fclose(fp); |
136 |
> |
} |
137 |
> |
else |
138 |
> |
filter(stdin, "standard input"); |
139 |
> |
return 0; |
140 |
|
} |
141 |
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|
142 |
|
|
143 |
< |
init() /* start rtrace and set up buffers */ |
143 |
> |
void |
144 |
> |
quit(status) /* exit with status */ |
145 |
> |
int status; |
146 |
|
{ |
147 |
< |
int maxbytes; |
147 |
> |
int rtstat; |
148 |
|
|
149 |
< |
maxbytes = open_process(rt_pd, rtargv); |
149 |
> |
rtstat = close_process(&(rt.pd)); |
150 |
> |
if (status == 0) { |
151 |
> |
if (rtstat < 0) |
152 |
> |
error(WARNING, |
153 |
> |
"unknown return status from rtrace process"); |
154 |
> |
else |
155 |
> |
status = rtstat; |
156 |
> |
} |
157 |
> |
exit(status); |
158 |
> |
} |
159 |
> |
|
160 |
> |
void |
161 |
> |
init(void) /* start rtrace and set up buffers */ |
162 |
> |
{ |
163 |
> |
extern int o_face(), o_sphere(), o_ring(); |
164 |
> |
int maxbytes; |
165 |
> |
/* set up object functions */ |
166 |
> |
ofun[OBJ_FACE].funp = o_face; |
167 |
> |
ofun[OBJ_SPHERE].funp = o_sphere; |
168 |
> |
ofun[OBJ_RING].funp = o_ring; |
169 |
> |
/* set up signal handling */ |
170 |
> |
#ifdef SIGPIPE /* not present on Windows */ |
171 |
> |
signal(SIGPIPE, quit); |
172 |
> |
#endif |
173 |
> |
/* start rtrace process */ |
174 |
> |
errno = 0; |
175 |
> |
maxbytes = open_process(&(rt.pd), rtargv); |
176 |
|
if (maxbytes == 0) { |
177 |
|
eputs(rtargv[0]); |
178 |
|
eputs(": command not found\n"); |
180 |
|
} |
181 |
|
if (maxbytes < 0) |
182 |
|
error(SYSTEM, "cannot start rtrace process"); |
183 |
< |
rt_bsiz = maxbytes/(6*sizeof(float)); |
184 |
< |
rt_buf = (float *)malloc(rt_bsiz*(6*sizeof(float))); |
185 |
< |
if (rt_buf == NULL) |
183 |
> |
rt.bsiz = maxbytes/(6*sizeof(float)); |
184 |
> |
rt.buf = (float *)malloc(6*sizeof(float)*rt.bsiz--); |
185 |
> |
rt.dest = (float **)malloc(sizeof(float *)*rt.bsiz); |
186 |
> |
if (rt.buf == NULL || rt.dest == NULL) |
187 |
|
error(SYSTEM, "out of memory in init"); |
188 |
< |
rt_bsiz--; /* allow for flush ray */ |
189 |
< |
rt_nrays = 0; |
188 |
> |
rt.nrays = 0; |
189 |
> |
/* set up urand */ |
190 |
> |
initurand(16384); |
191 |
|
} |
192 |
|
|
193 |
|
|
194 |
< |
int |
195 |
< |
cleanup() /* close rtrace process and return status */ |
194 |
> |
void |
195 |
> |
eputs( /* put string to stderr */ |
196 |
> |
register char *s |
197 |
> |
) |
198 |
|
{ |
140 |
– |
int status; |
141 |
– |
|
142 |
– |
free((char *)rt_buf); |
143 |
– |
rt_bsiz = 0; |
144 |
– |
status = close_process(rt_pd); |
145 |
– |
if (status < 0) |
146 |
– |
return(0); /* unknown status */ |
147 |
– |
return(status); |
148 |
– |
} |
149 |
– |
|
150 |
– |
|
151 |
– |
eputs(s) /* put string to stderr */ |
152 |
– |
register char *s; |
153 |
– |
{ |
199 |
|
static int midline = 0; |
200 |
|
|
201 |
|
if (!*s) return; |
208 |
|
} |
209 |
|
|
210 |
|
|
211 |
< |
mkillum(infp, name) /* process stream */ |
212 |
< |
register FILE *infp; |
213 |
< |
char *name; |
211 |
> |
void |
212 |
> |
wputs(s) /* print warning if enabled */ |
213 |
> |
char *s; |
214 |
|
{ |
215 |
+ |
if (warnings) |
216 |
+ |
eputs(s); |
217 |
+ |
} |
218 |
+ |
|
219 |
+ |
|
220 |
+ |
void |
221 |
+ |
filter( /* process stream */ |
222 |
+ |
register FILE *infp, |
223 |
+ |
char *name |
224 |
+ |
) |
225 |
+ |
{ |
226 |
|
char buf[512]; |
227 |
|
FILE *pfp; |
228 |
|
register int c; |
233 |
|
if (c == '#') { /* comment/options */ |
234 |
|
buf[0] = c; |
235 |
|
fgets(buf+1, sizeof(buf)-1, infp); |
236 |
< |
fputs(buf, stdout); |
181 |
< |
getoptions(buf, name); |
236 |
> |
xoptions(buf, name); |
237 |
|
} else if (c == '!') { /* command */ |
238 |
|
buf[0] = c; |
239 |
|
fgetline(buf+1, sizeof(buf)-1, infp); |
241 |
|
sprintf(errmsg, "cannot execute \"%s\"", buf); |
242 |
|
error(SYSTEM, errmsg); |
243 |
|
} |
244 |
< |
mkillum(pfp, buf); |
244 |
> |
filter(pfp, buf); |
245 |
|
pclose(pfp); |
246 |
|
} else { /* object */ |
247 |
|
ungetc(c, infp); |
251 |
|
} |
252 |
|
|
253 |
|
|
254 |
< |
getoptions(s, nm) /* get options from string s */ |
255 |
< |
char *s; |
256 |
< |
char *nm; |
254 |
> |
void |
255 |
> |
xoptions( /* process options in string s */ |
256 |
> |
char *s, |
257 |
> |
char *nm |
258 |
> |
) |
259 |
|
{ |
260 |
|
extern FILE *freopen(); |
261 |
|
char buf[64]; |
262 |
|
int nerrs = 0; |
263 |
|
register char *cp; |
264 |
|
|
265 |
< |
if (strncmp(s, "#@mkillum", 9) || !isspace(s[9])) |
265 |
> |
if (strncmp(s, "#@mkillum", 9) || !isspace(s[9])) { |
266 |
> |
fputs(s, stdout); /* not for us */ |
267 |
|
return; |
268 |
+ |
} |
269 |
|
cp = s+10; |
270 |
|
while (*cp) { |
271 |
|
switch (*cp) { |
272 |
|
case ' ': |
273 |
|
case '\t': |
274 |
|
case '\n': |
275 |
+ |
case '\r': |
276 |
+ |
case '\f': |
277 |
|
cp++; |
278 |
|
continue; |
279 |
|
case 'm': /* material name */ |
280 |
< |
cp++; |
220 |
< |
if (*cp != '=') |
280 |
> |
if (*++cp != '=') |
281 |
|
break; |
282 |
< |
cp++; |
282 |
> |
if (!*++cp || isspace(*cp)) |
283 |
> |
break; |
284 |
|
atos(thisillum.matname, MAXSTR, cp); |
285 |
|
cp = sskip(cp); |
286 |
|
if (!(thisillum.flags & IL_DATCLB)) { |
289 |
|
} |
290 |
|
continue; |
291 |
|
case 'f': /* data file name */ |
292 |
< |
cp++; |
232 |
< |
if (*cp != '=') |
292 |
> |
if (*++cp != '=') |
293 |
|
break; |
294 |
< |
cp++; |
295 |
< |
if (*cp == '\0') { |
294 |
> |
if (!*++cp || isspace(*cp)) { |
295 |
> |
strcpy(thisillum.datafile,thisillum.matname); |
296 |
> |
thisillum.dfnum = 0; |
297 |
|
thisillum.flags &= ~IL_DATCLB; |
298 |
|
continue; |
299 |
|
} |
304 |
|
continue; |
305 |
|
case 'i': /* include material */ |
306 |
|
case 'e': /* exclude material */ |
307 |
< |
matselect = (*cp++ == 'i') ? S_ELEM : S_COMPL; |
247 |
< |
if (*cp != '=') |
307 |
> |
if (cp[1] != '=') |
308 |
|
break; |
309 |
< |
cp++; |
309 |
> |
matselect = (*cp == 'i') ? S_ELEM : S_COMPL; |
310 |
> |
cp += 2; |
311 |
|
atos(matcheck, MAXSTR, cp); |
312 |
|
cp = sskip(cp); |
313 |
|
continue; |
320 |
|
matselect = S_NONE; |
321 |
|
continue; |
322 |
|
case 'c': /* color calculation */ |
323 |
< |
cp++; |
263 |
< |
if (*cp != '=') |
323 |
> |
if (*++cp != '=') |
324 |
|
break; |
325 |
< |
cp++; |
266 |
< |
switch (*cp) { |
325 |
> |
switch (*++cp) { |
326 |
|
case 'a': /* average */ |
327 |
< |
thisillum.flags |= IL_COLAVG; |
328 |
< |
thisillum.flags &= ~IL_COLDST; |
327 |
> |
thisillum.flags = (thisillum.flags|IL_COLAVG) |
328 |
> |
& ~IL_COLDST; |
329 |
|
break; |
330 |
|
case 'd': /* distribution */ |
331 |
< |
thisillum.flags |= IL_COLDST; |
273 |
< |
thisillum.flags &= ~IL_COLAVG; |
331 |
> |
thisillum.flags |= (IL_COLDST|IL_COLAVG); |
332 |
|
break; |
333 |
|
case 'n': /* none */ |
334 |
|
thisillum.flags &= ~(IL_COLAVG|IL_COLDST); |
339 |
|
cp = sskip(cp); |
340 |
|
continue; |
341 |
|
case 'd': /* point sample density */ |
342 |
< |
cp++; |
285 |
< |
if (*cp != '=') |
342 |
> |
if (*++cp != '=') |
343 |
|
break; |
344 |
< |
cp++; |
288 |
< |
if (!isintd(cp, " \t\n")) |
344 |
> |
if (!isintd(++cp, " \t\n\r")) |
345 |
|
break; |
346 |
< |
sampdens = atoi(cp); |
346 |
> |
thisillum.sampdens = atoi(cp); |
347 |
|
cp = sskip(cp); |
348 |
|
continue; |
349 |
|
case 's': /* point super-samples */ |
350 |
< |
cp++; |
295 |
< |
if (*cp != '=') |
350 |
> |
if (*++cp != '=') |
351 |
|
break; |
352 |
< |
cp++; |
298 |
< |
if (!isintd(cp, " \t\n")) |
352 |
> |
if (!isintd(++cp, " \t\n\r")) |
353 |
|
break; |
354 |
|
thisillum.nsamps = atoi(cp); |
355 |
|
cp = sskip(cp); |
356 |
|
continue; |
357 |
< |
case 'o': /* output file */ |
357 |
> |
case 'l': /* light sources */ |
358 |
|
cp++; |
359 |
< |
if (*cp != '=') |
359 |
> |
if (*cp == '+') |
360 |
> |
thisillum.flags |= IL_LIGHT; |
361 |
> |
else if (*cp == '-') |
362 |
> |
thisillum.flags &= ~IL_LIGHT; |
363 |
> |
else |
364 |
|
break; |
365 |
|
cp++; |
366 |
+ |
continue; |
367 |
+ |
case 'b': /* brightness */ |
368 |
+ |
if (*++cp != '=') |
369 |
+ |
break; |
370 |
+ |
if (!isfltd(++cp, " \t\n\r")) |
371 |
+ |
break; |
372 |
+ |
thisillum.minbrt = atof(cp); |
373 |
+ |
if (thisillum.minbrt < 0.) |
374 |
+ |
thisillum.minbrt = 0.; |
375 |
+ |
cp = sskip(cp); |
376 |
+ |
continue; |
377 |
+ |
case 'o': /* output file */ |
378 |
+ |
if (*++cp != '=') |
379 |
+ |
break; |
380 |
+ |
if (!*++cp || isspace(*cp)) |
381 |
+ |
break; |
382 |
|
atos(buf, sizeof(buf), cp); |
383 |
|
cp = sskip(cp); |
384 |
|
if (freopen(buf, "w", stdout) == NULL) { |
388 |
|
} |
389 |
|
doneheader = 0; |
390 |
|
continue; |
391 |
+ |
case '!': /* processed file! */ |
392 |
+ |
sprintf(errmsg, "(%s): already processed!", nm); |
393 |
+ |
error(WARNING, errmsg); |
394 |
+ |
matselect = S_NONE; |
395 |
+ |
return; |
396 |
|
} |
397 |
|
opterr: /* skip faulty option */ |
398 |
< |
cp = sskip(cp); |
398 |
> |
while (*cp && !isspace(*cp)) |
399 |
> |
cp++; |
400 |
|
nerrs++; |
401 |
|
} |
402 |
+ |
/* print header? */ |
403 |
+ |
checkhead(); |
404 |
+ |
/* issue warnings? */ |
405 |
|
if (nerrs) { |
406 |
|
sprintf(errmsg, "(%s): %d error(s) in option line:", |
407 |
|
nm, nerrs); |
408 |
|
error(WARNING, errmsg); |
409 |
< |
eputs(s); |
409 |
> |
wputs(s); |
410 |
> |
printf("# %s: the following option line has %d error(s):\n", |
411 |
> |
progname, nerrs); |
412 |
|
} |
413 |
+ |
/* print pure comment */ |
414 |
+ |
printf("# %s", s+2); |
415 |
+ |
} |
416 |
+ |
|
417 |
+ |
void |
418 |
+ |
printopts(void) /* print out option default values */ |
419 |
+ |
{ |
420 |
+ |
printf("m=%-15s\t\t# material name\n", thisillum.matname); |
421 |
+ |
printf("f=%-15s\t\t# data file name\n", thisillum.datafile); |
422 |
+ |
if (thisillum.flags & IL_COLAVG) |
423 |
+ |
if (thisillum.flags & IL_COLDST) |
424 |
+ |
printf("c=d\t\t\t\t# color distribution\n"); |
425 |
+ |
else |
426 |
+ |
printf("c=a\t\t\t\t# color average\n"); |
427 |
+ |
else |
428 |
+ |
printf("c=n\t\t\t\t# color none\n"); |
429 |
+ |
if (thisillum.flags & IL_LIGHT) |
430 |
+ |
printf("l+\t\t\t\t# light type on\n"); |
431 |
+ |
else |
432 |
+ |
printf("l-\t\t\t\t# light type off\n"); |
433 |
+ |
printf("d=%d\t\t\t\t# density of points\n", thisillum.sampdens); |
434 |
+ |
printf("s=%d\t\t\t\t# samples per point\n", thisillum.nsamps); |
435 |
+ |
printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
436 |
+ |
} |
437 |
+ |
|
438 |
+ |
|
439 |
+ |
void |
440 |
+ |
printhead( /* print out header */ |
441 |
+ |
register int ac, |
442 |
+ |
register char **av |
443 |
+ |
) |
444 |
+ |
{ |
445 |
+ |
putchar('#'); |
446 |
+ |
while (ac-- > 0) { |
447 |
+ |
putchar(' '); |
448 |
+ |
fputs(*av++, stdout); |
449 |
+ |
} |
450 |
+ |
fputs("\n#@mkillum !\n", stdout); |
451 |
+ |
} |
452 |
+ |
|
453 |
+ |
|
454 |
+ |
void |
455 |
+ |
xobject( /* translate an object from fp */ |
456 |
+ |
FILE *fp, |
457 |
+ |
char *nm |
458 |
+ |
) |
459 |
+ |
{ |
460 |
+ |
OBJREC thisobj; |
461 |
+ |
char str[MAXSTR]; |
462 |
+ |
int doit; |
463 |
+ |
/* read the object */ |
464 |
+ |
if (fgetword(thisillum.altmat, MAXSTR, fp) == NULL) |
465 |
+ |
goto readerr; |
466 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
467 |
+ |
goto readerr; |
468 |
+ |
/* is it an alias? */ |
469 |
+ |
if (!strcmp(str, ALIASKEY)) { |
470 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
471 |
+ |
goto readerr; |
472 |
+ |
printf("\n%s %s %s", thisillum.altmat, ALIASKEY, str); |
473 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
474 |
+ |
goto readerr; |
475 |
+ |
printf("\t%s\n", str); |
476 |
+ |
return; |
477 |
+ |
} |
478 |
+ |
thisobj.omod = OVOID; /* unused field */ |
479 |
+ |
if ((thisobj.otype = otype(str)) < 0) { |
480 |
+ |
sprintf(errmsg, "(%s): unknown type \"%s\"", nm, str); |
481 |
+ |
error(USER, errmsg); |
482 |
+ |
} |
483 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
484 |
+ |
goto readerr; |
485 |
+ |
thisobj.oname = str; |
486 |
+ |
if (readfargs(&thisobj.oargs, fp) != 1) |
487 |
+ |
goto readerr; |
488 |
+ |
thisobj.os = NULL; |
489 |
+ |
/* check for translation */ |
490 |
+ |
switch (matselect) { |
491 |
+ |
case S_NONE: |
492 |
+ |
doit = 0; |
493 |
+ |
break; |
494 |
+ |
case S_ALL: |
495 |
+ |
doit = 1; |
496 |
+ |
break; |
497 |
+ |
case S_ELEM: |
498 |
+ |
doit = !strcmp(thisillum.altmat, matcheck); |
499 |
+ |
break; |
500 |
+ |
case S_COMPL: |
501 |
+ |
doit = strcmp(thisillum.altmat, matcheck); |
502 |
+ |
break; |
503 |
+ |
} |
504 |
+ |
doit = doit && issurface(thisobj.otype); |
505 |
+ |
/* print header? */ |
506 |
+ |
checkhead(); |
507 |
+ |
/* process object */ |
508 |
+ |
if (doit) |
509 |
+ |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt, nm); |
510 |
+ |
else |
511 |
+ |
printobj(thisillum.altmat, &thisobj); |
512 |
+ |
/* free arguments */ |
513 |
+ |
freefargs(&thisobj.oargs); |
514 |
+ |
return; |
515 |
+ |
readerr: |
516 |
+ |
sprintf(errmsg, "(%s): error reading scene", nm); |
517 |
+ |
error(USER, errmsg); |
518 |
|
} |