69 |
|
|
70 |
|
char *defmat = DEFMAT; /* default (starting) material name */ |
71 |
|
char *defobj = DEFOBJ; /* default (starting) object name */ |
72 |
– |
int donames = 0; /* only get qualifier names */ |
72 |
|
|
73 |
|
char *getmtl(), *getonm(); |
74 |
|
|
76 |
|
char matname[64]; /* current material name */ |
77 |
|
char group[16][32]; /* current group names */ |
78 |
|
char objname[128]; /* current object name */ |
79 |
+ |
char *inpfile; /* input file name */ |
80 |
|
int lineno; /* current line number */ |
81 |
< |
int faceno; /* number of faces read */ |
81 |
> |
int faceno; /* current face number */ |
82 |
|
|
83 |
|
|
84 |
|
main(argc, argv) /* read in .obj file and convert */ |
85 |
|
int argc; |
86 |
|
char *argv[]; |
87 |
|
{ |
88 |
< |
char *fname; |
88 |
> |
int donames = 0; |
89 |
|
int i; |
90 |
|
|
91 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
105 |
|
if (i > argc | i < argc-1) |
106 |
|
goto userr; |
107 |
|
if (i == argc) |
108 |
< |
fname = "<stdin>"; |
109 |
< |
else if (freopen(fname=argv[i], "r", stdin) == NULL) { |
110 |
< |
fprintf(stderr, "%s: cannot open\n", fname); |
108 |
> |
inpfile = "<stdin>"; |
109 |
> |
else if (freopen(inpfile=argv[i], "r", stdin) == NULL) { |
110 |
> |
fprintf(stderr, "%s: cannot open\n", inpfile); |
111 |
|
exit(1); |
112 |
|
} |
113 |
|
if (donames) { /* scan for ids */ |
114 |
|
getnames(stdin); |
115 |
< |
printf("filename \"%s\"\n", fname); |
115 |
> |
printf("filename \"%s\"\n", inpfile); |
116 |
|
printf("filetype \"Wavefront\"\n"); |
117 |
|
write_quals(&qlist, qual, stdout); |
118 |
|
printf("qualifier %s begin\n", qlist.qual[Q_FAC]); |
121 |
|
} else { /* translate file */ |
122 |
|
printf("# "); |
123 |
|
printargs(argc, argv, stdout); |
124 |
< |
convert(fname, stdin); |
124 |
> |
convert(stdin); |
125 |
|
} |
126 |
|
exit(0); |
127 |
|
userr: |
180 |
|
} |
181 |
|
|
182 |
|
|
183 |
< |
convert(fname, fp) /* convert a T-mesh */ |
184 |
< |
char *fname; |
183 |
> |
convert(fp) /* convert a T-mesh */ |
184 |
|
FILE *fp; |
185 |
|
{ |
186 |
|
char *argv[MAXARG]; |
187 |
|
int argc; |
188 |
|
int nstats, nunknown; |
189 |
|
register int i; |
190 |
< |
/* start fresh */ |
192 |
< |
freeverts(); |
193 |
< |
mapname[0] = '\0'; |
194 |
< |
strcpy(matname, defmat); |
195 |
< |
strcpy(objname, defobj); |
196 |
< |
lineno = 0; |
190 |
> |
|
191 |
|
nstats = nunknown = 0; |
192 |
|
/* scan until EOF */ |
193 |
|
while (argc = getstmt(argv, fp)) { |
196 |
|
switch (argv[0][1]) { |
197 |
|
case '\0': /* point */ |
198 |
|
if (badarg(argc-1,argv+1,"fff")) |
199 |
< |
syntax(fname, lineno, "Bad vertex"); |
199 |
> |
syntax("Bad vertex"); |
200 |
|
newv(atof(argv[1]), atof(argv[2]), |
201 |
|
atof(argv[3])); |
202 |
|
break; |
204 |
|
if (argv[0][2]) |
205 |
|
goto unknown; |
206 |
|
if (badarg(argc-1,argv+1,"fff")) |
207 |
< |
syntax(fname, lineno, "Bad normal"); |
207 |
> |
syntax("Bad normal"); |
208 |
|
if (!newvn(atof(argv[1]), atof(argv[2]), |
209 |
|
atof(argv[3]))) |
210 |
< |
syntax(fname, lineno, "Zero normal"); |
210 |
> |
syntax("Zero normal"); |
211 |
|
break; |
212 |
|
case 't': /* texture map */ |
213 |
|
if (argv[0][2]) |
226 |
|
faceno++; |
227 |
|
switch (argc-1) { |
228 |
|
case 0: case 1: case 2: |
229 |
< |
syntax(fname, lineno, "Too few vertices"); |
229 |
> |
syntax("Too few vertices"); |
230 |
|
break; |
231 |
|
case 3: |
232 |
|
if (!puttri(argv[1], argv[2], argv[3])) |
233 |
< |
syntax(fname, lineno, "Bad triangle"); |
233 |
> |
syntax("Bad triangle"); |
234 |
|
break; |
235 |
|
case 4: |
236 |
|
if (!putquad(argv[1], argv[2], |
237 |
|
argv[3], argv[4])) |
238 |
< |
syntax(fname, lineno, "Bad quad"); |
238 |
> |
syntax("Bad quad"); |
239 |
|
break; |
240 |
|
default: |
241 |
|
if (!putface(argc-1, argv+1)) |
242 |
< |
syntax(fname, lineno, "Bad face"); |
242 |
> |
syntax("Bad face"); |
243 |
|
break; |
244 |
|
} |
245 |
|
break; |
281 |
|
} |
282 |
|
nstats++; |
283 |
|
} |
284 |
< |
printf("\n# Done processing file: %s\n", fname); |
284 |
> |
printf("\n# Done processing file: %s\n", inpfile); |
285 |
|
printf("# %d lines, %d statements, %d unrecognized\n", |
286 |
|
lineno, nstats, nunknown); |
287 |
|
} |
326 |
|
{ |
327 |
|
register RULEHD *rp = ourmapping; |
328 |
|
|
329 |
< |
if (rp == NULL) /* no rule set */ |
330 |
< |
return(matname); |
329 |
> |
if (rp == NULL) { /* no rule set */ |
330 |
> |
if (matname[0]) |
331 |
> |
return(matname); |
332 |
> |
if (group[0][0]) |
333 |
> |
return(group[0]); |
334 |
> |
return(defmat); |
335 |
> |
} |
336 |
|
/* check for match */ |
337 |
|
do { |
338 |
|
if (matchrule(rp)) { |
353 |
|
static char name[64]; |
354 |
|
register char *cp1, *cp2; |
355 |
|
register int i; |
356 |
< |
|
357 |
< |
if (!group[0][0] || strcmp(objname, DEFOBJ)) |
358 |
< |
return(objname); /* good enough for us */ |
359 |
< |
|
356 |
> |
/* check for preset */ |
357 |
> |
if (objname[0]) |
358 |
> |
return(objname); |
359 |
> |
if (!group[0][0]) |
360 |
> |
return(defobj); |
361 |
|
cp1 = name; /* else make name out of groups */ |
362 |
|
for (i = 0; group[i][0]; i++) { |
363 |
|
cp2 = group[i]; |
381 |
|
register int i; |
382 |
|
|
383 |
|
if (rp->qflg & FL(Q_MTL)) { |
384 |
+ |
if (!matname[0]) |
385 |
+ |
return(0); |
386 |
|
tmpid.number = 0; |
387 |
|
tmpid.name = matname; |
388 |
|
if (!matchid(&tmpid, &idm(rp)[Q_MTL])) |
389 |
|
return(0); |
390 |
|
} |
391 |
|
if (rp->qflg & FL(Q_MAP)) { |
392 |
+ |
if (!mapname[0]) |
393 |
+ |
return(0); |
394 |
|
tmpid.number = 0; |
395 |
|
tmpid.name = mapname; |
396 |
|
if (!matchid(&tmpid, &idm(rp)[Q_MAP])) |
407 |
|
return(0); |
408 |
|
} |
409 |
|
if (rp->qflg & FL(Q_OBJ)) { |
410 |
+ |
if (!objname[0]) |
411 |
+ |
return(0); |
412 |
|
tmpid.number = 0; |
413 |
|
tmpid.name = objname; |
414 |
|
if (!matchid(&tmpid, &idm(rp)[Q_OBJ])) |
534 |
|
while (ac > 3) { |
535 |
|
if (!putquad(av[0], av[1], av[2], av[3])) |
536 |
|
return(0); |
537 |
< |
ac -= 2; /* remove two vertices */ |
538 |
< |
for (i = 1; i < ac; i++) |
537 |
> |
/* remove two vertices & rotate */ |
538 |
> |
av[ac -= 2] = av[0]; |
539 |
> |
for (i = 0; i <= ac; i++) |
540 |
|
av[i] = av[i+2]; |
541 |
|
} |
542 |
|
if (ac == 3 && !puttri(av[0], av[1], av[2])) |
910 |
|
} |
911 |
|
|
912 |
|
|
913 |
< |
syntax(fn, ln, er) /* report syntax error and exit */ |
907 |
< |
char *fn; |
908 |
< |
int ln; |
913 |
> |
syntax(er) /* report syntax error and exit */ |
914 |
|
char *er; |
915 |
|
{ |
916 |
|
fprintf(stderr, "%s: Wavefront syntax error near line %d: %s\n", |
917 |
< |
fn, ln, er); |
917 |
> |
inpfile, lineno, er); |
918 |
|
exit(1); |
919 |
|
} |