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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1994 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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int xfa; /* start of xf arguments */ |
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|
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XF tot; /* total transformation */ |
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int reverse; /* boolean true if scene inverted */ |
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int reverse; /* boolean true if scene mirrored */ |
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|
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int invert = 0; /* boolean true to invert surfaces */ |
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|
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int expand = 0; /* boolean true to expand commands */ |
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|
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char *newmod = NULL; /* new modifier for surfaces */ |
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char *idprefix = NULL; /* prefix for object identifiers */ |
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|
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#define ALIAS NUMOTYPE /* put alias at end of array */ |
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#define ALIAS NUMOTYPE /* put alias at end of array */ |
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|
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#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
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#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
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|
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FUN ofun[NUMTYPES] = INIT_OTYPE; /* default types and actions */ |
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extern char *malloc(); |
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short tinvers[NUMOTYPE]; /* inverse types for surfaces */ |
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|
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#define progname (xav[0]) |
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extern char *malloc(), *fgetword(); |
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#define progname (xav[0]) |
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|
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|
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main(argc, argv) /* get transform options and transform file */ |
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int argc; |
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char *argv[]; |
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break; |
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expand = 1; |
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continue; |
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case 'I': |
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if (argv[a][2]) |
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break; |
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invert = 1; |
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continue; |
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} |
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break; |
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} |
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|
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if (reverse = tot.sca < 0.0) |
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tot.sca = -tot.sca; |
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if (invert) |
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reverse = !reverse; |
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|
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if (a < argc && argv[a][0] == '-') { |
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fprintf(stderr, "%s: command line error at '%s'\n", |
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char *name; |
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register FILE *fin; |
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{ |
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int nobjs = 0; |
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register int c; |
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|
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while ((c = getc(fin)) != EOF) { |
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} else if (c == '!') { /* command */ |
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ungetc(c, fin); |
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xfcomm(name, fin); |
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nobjs++; |
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} else { /* object */ |
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ungetc(c, fin); |
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xfobject(name, fin); |
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nobjs++; |
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} |
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} |
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if (nobjs == 0) |
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fprintf(stderr, "%s: (%s): warning - empty file\n", |
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progname, name); |
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} |
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xfcomm(fname, fin) /* transform a command */ |
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char *fname; |
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FILE *fin; |
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{ |
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FILE *popen(); |
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fgetline(buf, sizeof(buf), fin); |
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if (expand) { |
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if (xac > 2) { |
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if ((pin = popen(buf+1, "r")) == NULL) { |
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fprintf(stderr, |
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"%s: (%s): cannot execute \"%s\"\n", |
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progname, fname, buf); |
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exit(1); |
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} |
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xform(buf, pin); |
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pclose(pin); |
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} else { |
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fflush(stdout); |
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system(buf+1); |
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if ((pin = popen(buf+1, "r")) == NULL) { |
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fprintf(stderr, "%s: (%s): cannot execute \"%s\"\n", |
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progname, fname, buf); |
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exit(1); |
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} |
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xform(buf, pin); |
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pclose(pin); |
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} else { |
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printf("\n%s", buf); |
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if (xac > 1) { |
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char *fname; |
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FILE *fin; |
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{ |
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extern char *strcpy(); |
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char typ[16], nam[MAXSTR]; |
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int fn; |
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/* modifier and type */ |
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fscanf(fin, "%s %s", nam, typ); |
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strcpy(typ, "EOF"); |
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fgetword(nam, sizeof(nam), fin); |
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fgetword(typ, sizeof(typ), fin); |
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if ((fn = otype(typ)) < 0) { |
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fprintf(stderr, "%s: (%s): unknown object type \"%s\"\n", |
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progname, fname, typ); |
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exit(1); |
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} |
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printf("\n%s %s ", newmod!=NULL && issurface(fn) ? newmod : nam, typ); |
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/* object name */ |
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fscanf(fin, "%s", nam); |
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if (idprefix != NULL && issurface(fn)) |
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printf("%s.%s\n", idprefix, nam); |
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if (ismodifier(fn)) |
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printf("\n%s %s ", nam, typ); |
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else |
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printf("\n%s %s ", newmod != NULL ? newmod : nam, |
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invert ? ofun[tinvers[fn]].funame : typ); |
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/* object name */ |
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fgetword(nam, sizeof(nam), fin); |
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if (idprefix == NULL || ismodifier(fn)) |
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printf("%s\n", nam); |
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else |
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printf("%s.%s\n", idprefix, nam); |
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/* transform arguments */ |
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if ((*ofun[fn].funp)(fin) < 0) { |
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fprintf(stderr, "%s: (%s): bad %s \"%s\"\n", |
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FILE *fin; |
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{ |
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register int i; |
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FUNARGS fa; |
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FUNARGS fa; |
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|
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if (readfargs(&fa, fin) <= 0) |
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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/* string arguments */ |
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printf("%d", fa.nsargs); |
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for (i = 0; i < fa.nsargs; i++) |
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printf(" %s", fa.sarg[i]); |
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printf("\n"); |
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#ifdef IARGS |
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#ifdef IARGS |
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/* integer arguments */ |
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printf("%d", fa.niargs); |
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for (i = 0; i < fa.niargs; i++) |
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printf(" %d", fa.iarg[i]); |
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printf("\n"); |
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#else |
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printf("0\n"); |
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#endif |
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/* float arguments */ |
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printf("%d", fa.nfargs); |
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FILE *fin; |
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{ |
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register int i; |
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FUNARGS fa; |
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int resetarr = 0; |
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FUNARGS fa; |
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|
311 |
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if (readfargs(&fa, fin) <= 0) |
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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/* string arguments */ |
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printf("%d", fa.nsargs + xac-xfa); |
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if (xac > xfa && strcmp(xav[xfa], "-i")) |
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resetarr = 2; |
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printf("%d", fa.nsargs + resetarr + xac-xfa); |
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for (i = 0; i < fa.nsargs; i++) |
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printf(" %s", fa.sarg[i]); |
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if (resetarr) |
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printf(" -i 1"); |
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for (i = xfa; i < xac; i++) /* add xf arguments */ |
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printf(" %s", xav[i]); |
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printf("\n"); |
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#ifdef IARGS |
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#ifdef IARGS |
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/* integer arguments */ |
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printf("%d", fa.niargs); |
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for (i = 0; i < fa.niargs; i++) |
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printf(" %d", fa.iarg[i]); |
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printf("\n"); |
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#else |
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printf("0\n"); |
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#endif |
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/* float arguments */ |
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printf("%d", fa.nfargs); |
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{ |
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char aliasnm[MAXSTR]; |
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if (fscanf(fin, "%s", aliasnm) != 1) |
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if (fgetword(aliasnm, MAXSTR, fin) == NULL) |
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return(-1); |
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printf("\t%s\n", aliasnm); |
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return(0); |
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m_glow(fin) /* transform arguments for proximity light */ |
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FILE *fin; |
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{ |
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FUNARGS fa; |
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FUNARGS fa; |
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|
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if (readfargs(&fa, fin) <= 0) |
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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if (fa.nsargs != 0 || fa.nfargs != 4) |
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return(-1); |
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m_spot(fin) /* transform arguments for spotlight */ |
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FILE *fin; |
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{ |
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double v[3]; |
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FUNARGS fa; |
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FVECT v; |
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FUNARGS fa; |
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|
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if (readfargs(&fa, fin) <= 0) |
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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if (fa.nsargs != 0 || fa.nfargs != 7) |
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return(-1); |
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m_dielectric(fin) /* transform arguments for dielectric */ |
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FILE *fin; |
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{ |
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double pow(); |
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FUNARGS fa; |
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FUNARGS fa; |
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|
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if (readfargs(&fa, fin) <= 0) |
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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if (fa.nsargs != 0 || fa.nfargs != 5) |
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return(-1); |
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m_interface(fin) /* transform arguments for interface */ |
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FILE *fin; |
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{ |
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double pow(); |
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FUNARGS fa; |
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FUNARGS fa; |
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|
432 |
< |
if (readfargs(&fa, fin) <= 0) |
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> |
if (readfargs(&fa, fin) != 1) |
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return(-1); |
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if (fa.nsargs != 0 || fa.nfargs != 8) |
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return(-1); |
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FILE *fin; |
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{ |
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int i; |
456 |
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double v[3]; |
457 |
< |
FUNARGS fa; |
456 |
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FVECT v; |
457 |
> |
FUNARGS fa; |
458 |
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|
459 |
< |
if (readfargs(&fa, fin) <= 0) |
459 |
> |
if (readfargs(&fa, fin) != 1) |
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return(-1); |
461 |
< |
if (fa.nfargs != 9 && fa.nfargs != 11 && fa.nfargs != 15) |
461 |
> |
if (fa.nfargs < 9) |
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return(-1); |
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/* string arguments */ |
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printf("%d", fa.nsargs); |
473 |
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printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
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/* down vector */ |
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multv3(v, fa.farg+6, tot.xfm); |
476 |
< |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
477 |
< |
/* forground and background */ |
478 |
< |
if (fa.nfargs == 11) |
479 |
< |
printf(" %18.12g %18.12g\n", fa.farg[9], fa.farg[10]); |
480 |
< |
else if (fa.nfargs == 15) { |
481 |
< |
printf(" %18.12g %18.12g %18.12g\n", |
456 |
< |
fa.farg[9], fa.farg[10], fa.farg[11]); |
457 |
< |
printf(" %18.12g %18.12g %18.12g\n", |
458 |
< |
fa.farg[12], fa.farg[13], fa.farg[14]); |
476 |
> |
printf(" %18.12g %18.12g %18.12g", v[0], v[1], v[2]); |
477 |
> |
/* remaining arguments */ |
478 |
> |
for (i = 9; i < fa.nfargs; i++) { |
479 |
> |
if (i%3 == 0) |
480 |
> |
putchar('\n'); |
481 |
> |
printf(" %18.12g", fa.farg[i]); |
482 |
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} |
483 |
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putchar('\n'); |
484 |
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freefargs(&fa); |
485 |
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return(0); |
486 |
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} |
489 |
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o_source(fin) /* transform source arguments */ |
490 |
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FILE *fin; |
491 |
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{ |
492 |
< |
double dv[3]; |
493 |
< |
FUNARGS fa; |
492 |
> |
FVECT dv; |
493 |
> |
FUNARGS fa; |
494 |
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|
495 |
< |
if (readfargs(&fa, fin) <= 0) |
495 |
> |
if (readfargs(&fa, fin) != 1) |
496 |
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return(-1); |
497 |
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if (fa.nsargs != 0 || fa.nfargs != 4) |
498 |
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return(-1); |
510 |
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o_sphere(fin) /* transform sphere arguments */ |
511 |
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FILE *fin; |
512 |
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{ |
513 |
< |
double cent[3], rad; |
514 |
< |
FUNARGS fa; |
513 |
> |
FVECT cent; |
514 |
> |
double rad; |
515 |
> |
FUNARGS fa; |
516 |
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|
517 |
< |
if (readfargs(&fa, fin) <= 0) |
517 |
> |
if (readfargs(&fa, fin) != 1) |
518 |
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return(-1); |
519 |
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if (fa.nsargs != 0 || fa.nfargs != 4) |
520 |
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return(-1); |
521 |
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|
522 |
< |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
522 |
> |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
523 |
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|
524 |
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rad = fa.farg[3] * tot.sca; /* scale radius */ |
525 |
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|
534 |
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o_face(fin) /* transform face arguments */ |
535 |
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FILE *fin; |
536 |
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{ |
537 |
< |
double p[3]; |
537 |
> |
FVECT p; |
538 |
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register int i; |
539 |
< |
FUNARGS fa; |
539 |
> |
FUNARGS fa; |
540 |
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|
541 |
< |
if (readfargs(&fa, fin) <= 0) |
541 |
> |
if (readfargs(&fa, fin) != 1) |
542 |
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return(-1); |
543 |
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if (fa.nsargs != 0 || fa.nfargs % 3) |
544 |
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return(-1); |
560 |
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o_cone(fin) /* transform cone and cup arguments */ |
561 |
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FILE *fin; |
562 |
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{ |
563 |
< |
double p0[3], p1[3], r0, r1; |
564 |
< |
FUNARGS fa; |
563 |
> |
FVECT p0, p1; |
564 |
> |
double r0, r1; |
565 |
> |
FUNARGS fa; |
566 |
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|
567 |
< |
if (readfargs(&fa, fin) <= 0) |
567 |
> |
if (readfargs(&fa, fin) != 1) |
568 |
|
return(-1); |
569 |
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if (fa.nsargs != 0 || fa.nfargs != 8) |
570 |
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return(-1); |
587 |
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o_cylinder(fin) /* transform cylinder and tube arguments */ |
588 |
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FILE *fin; |
589 |
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{ |
590 |
< |
double p0[3], p1[3], rad; |
591 |
< |
FUNARGS fa; |
590 |
> |
FVECT p0, p1; |
591 |
> |
double rad; |
592 |
> |
FUNARGS fa; |
593 |
|
|
594 |
< |
if (readfargs(&fa, fin) <= 0) |
594 |
> |
if (readfargs(&fa, fin) != 1) |
595 |
|
return(-1); |
596 |
|
if (fa.nsargs != 0 || fa.nfargs != 7) |
597 |
|
return(-1); |
612 |
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o_ring(fin) /* transform ring arguments */ |
613 |
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FILE *fin; |
614 |
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{ |
615 |
< |
double p0[3], pd[3], r0, r1; |
616 |
< |
FUNARGS fa; |
615 |
> |
FVECT p0, pd; |
616 |
> |
double r0, r1; |
617 |
> |
FUNARGS fa; |
618 |
|
|
619 |
< |
if (readfargs(&fa, fin) <= 0) |
619 |
> |
if (readfargs(&fa, fin) != 1) |
620 |
|
return(-1); |
621 |
|
if (fa.nsargs != 0 || fa.nfargs != 8) |
622 |
|
return(-1); |
625 |
|
|
626 |
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multp3(p0, fa.farg, tot.xfm); |
627 |
|
multv3(pd, fa.farg+3, tot.xfm); |
628 |
+ |
if (invert) { |
629 |
+ |
pd[0] = -pd[0]; |
630 |
+ |
pd[1] = -pd[1]; |
631 |
+ |
pd[2] = -pd[2]; |
632 |
+ |
} |
633 |
|
r0 = fa.farg[6] * tot.sca; |
634 |
|
r1 = fa.farg[7] * tot.sca; |
635 |
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
686 |
|
ofun[PAT_BTEXT].funp = |
687 |
|
ofun[MIX_TEXT].funp = text; |
688 |
|
ofun[ALIAS].funp = alias; |
689 |
+ |
/* surface inverses */ |
690 |
+ |
tinvers[OBJ_SOURCE] = OBJ_SOURCE; |
691 |
+ |
tinvers[OBJ_CONE] = OBJ_CUP; |
692 |
+ |
tinvers[OBJ_CUP] = OBJ_CONE; |
693 |
+ |
tinvers[OBJ_SPHERE] = OBJ_BUBBLE; |
694 |
+ |
tinvers[OBJ_BUBBLE] = OBJ_SPHERE; |
695 |
+ |
tinvers[OBJ_RING] = OBJ_RING; |
696 |
+ |
tinvers[OBJ_CYLINDER] = OBJ_TUBE; |
697 |
+ |
tinvers[OBJ_TUBE] = OBJ_CYLINDER; |
698 |
+ |
tinvers[OBJ_INSTANCE] = OBJ_INSTANCE; /* oh, well */ |
699 |
|
} |