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/* Copyright (c) 1986 Regents of the University of California */ |
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/* Copyright (c) 1991 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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* 11/6/86 Finally added error checking! |
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*/ |
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|
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#include <stdio.h> |
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#include "standard.h" |
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#include <ctype.h> |
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#include "otypes.h" |
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|
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typedef struct { |
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char *funame; /* function name */ |
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int (*funp)(); /* pointer to function */ |
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} FUN; |
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|
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int xac; /* global xform argument count */ |
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char **xav; /* global xform argument pointer */ |
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int xfa; /* start of xf arguments */ |
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|
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double totxform[4][4]; /* total transformation matrix */ |
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double totscale; /* total scale factor */ |
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XF tot; /* total transformation */ |
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int reverse; /* boolean true if scene inverted */ |
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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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|
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char *idprefix = NULL; /* prefix for object identifiers */ |
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|
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extern int o_source(); |
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extern int o_sphere(); |
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extern int o_face(); |
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extern int o_cone(); |
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extern int o_cylinder(); |
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extern int o_ring(); |
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extern int m_glow(); |
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extern int m_spot(); |
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extern int m_dielectric(); |
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extern int m_interface(); |
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extern int text(); |
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extern int alias(); |
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extern int passargs(); |
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extern int addxform(); |
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#define ALIAS NUMOTYPE /* put alias at end of array */ |
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|
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FUN ofun[] = { |
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{ "source", o_source }, |
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{ "sphere", o_sphere }, |
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{ "bubble", o_sphere }, |
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{ "polygon", o_face }, |
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{ "cone", o_cone }, |
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{ "cup", o_cone }, |
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{ "cylinder", o_cylinder }, |
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{ "tube", o_cylinder }, |
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{ "ring", o_ring }, |
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{ "instance", addxform }, |
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{ "alias", alias }, |
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{ "antimatter", passargs }, |
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{ "glow", m_glow }, |
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{ "spotlight", m_spot }, |
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{ "dielectric", m_dielectric }, |
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{ "interface", m_interface }, |
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{ "colortext", text }, |
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{ "brighttext", text }, |
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{ "texfunc", addxform }, |
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{ "texdata", addxform }, |
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{ "colorfunc", addxform }, |
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{ "brightfunc", addxform }, |
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{ "colorpict", addxform }, |
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{ "colordata", addxform }, |
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{ "brightdata", addxform }, |
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{ "mixfunc", addxform }, |
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{ "mixdata", addxform }, |
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{ "mixtext", text }, |
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{ "light", passargs }, |
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{ "illum", passargs }, |
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{ "plastic", passargs }, |
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{ "metal", passargs }, |
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{ "trans", passargs }, |
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{ "glass", passargs }, |
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{ 0 } /* terminator */ |
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}; |
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#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
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#define issurface(t) ((t)<=9) |
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FUN ofun[NUMTYPES] = INIT_OTYPE; /* default types and actions */ |
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|
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typedef struct { |
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short nsargs; /* # of string arguments */ |
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double *farg; /* float arguments */ |
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} FUNARGS; |
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#define MAXSTR 512 /* maximum string length */ |
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#define MAXSTR 128 /* maximum string length */ |
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|
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FUNARGS *getfargs(); |
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char *malloc(); |
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FILE *fopen(); |
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FILE *fp; |
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int a; |
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/* check for array */ |
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for (a = 1; a < argc; a++) |
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if (!strcmp(argv[a], "-a")) |
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return(doarray(argc, argv, a)); |
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xav = argv; |
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initotypes(); |
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for (a = 1; a < argc; a++) { |
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if (argv[a][0] == '-') |
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switch (argv[a][1]) { |
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case 'm': |
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if (argv[a][2] || a+1 >= argc) |
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break; |
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newmod = argv[++a]; |
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continue; |
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case 'n': |
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if (argv[a][2] || a+1 >= argc) |
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break; |
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idprefix = argv[++a]; |
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continue; |
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case 'e': |
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if (argv[a][2]) |
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break; |
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expand = 1; |
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continue; |
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} |
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break; |
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} |
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xav = argv; |
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xfa = a; |
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|
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totscale = 1.0; |
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setident4(totxform); |
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a += xf(&tot, argc-a, argv+a); |
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|
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a += xf(totxform, &totscale, argc-a, argv+a); |
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if (reverse = tot.sca < 0.0) |
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tot.sca = -tot.sca; |
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|
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if (reverse = totscale < 0.0) |
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totscale = -totscale; |
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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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argv[0], argv[a]); |
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exit(1); |
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} |
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xac = a; |
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putchar('#'); /* simple header */ |
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/* simple header */ |
109 |
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putchar('#'); |
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for (a = 0; a < xac; a++) |
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printf(" %s", xav[a]); |
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putchar('\n'); |
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|
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if (a == argc) |
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/* transform input */ |
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if (xac == argc) |
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xform("standard input", stdin); |
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else |
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for ( ; a < argc; a++) { |
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for (a = xac; a < argc; a++) { |
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if ((fp = fopen(argv[a], "r")) == NULL) { |
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fprintf(stderr, "%s: cannot open \"%s\"\n", |
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progname, argv[a]); |
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fclose(fp); |
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} |
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exit(0); |
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> |
return(0); |
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} |
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< |
xform(name, fin) /* transform stream by totxform */ |
131 |
> |
doarray(ac, av, ai) /* make array */ |
132 |
> |
char **av; |
133 |
> |
int ac, ai; |
134 |
> |
{ |
135 |
> |
char *newav[256], **avp; |
136 |
> |
char newid[128], repts[32]; |
137 |
> |
char *oldid = NULL; |
138 |
> |
int i, err; |
139 |
> |
|
140 |
> |
avp = newav+2; |
141 |
> |
avp[0] = av[0]; |
142 |
> |
for (i = 1; i < ac; i++) |
143 |
> |
if (!strcmp(av[i-1], "-n")) { |
144 |
> |
oldid = av[i]; |
145 |
> |
avp[i] = newid; |
146 |
> |
} else |
147 |
> |
avp[i] = av[i]; |
148 |
> |
avp[ai] = "-i"; |
149 |
> |
avp[ai+1] = repts; |
150 |
> |
avp[i] = NULL; |
151 |
> |
if (oldid == NULL) { |
152 |
> |
newav[0] = av[0]; |
153 |
> |
newav[1] = "-n"; |
154 |
> |
newav[2] = newid; |
155 |
> |
avp = newav; |
156 |
> |
ac += 2; |
157 |
> |
} |
158 |
> |
err = 0; |
159 |
> |
for (i = 0; i < atoi(av[ai+1]); i++) { |
160 |
> |
if (oldid == NULL) |
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sprintf(newid, "a%d", i); |
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else |
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sprintf(newid, "%s.%d", oldid, i); |
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sprintf(repts, "%d", i); |
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> |
err |= main(ac, avp); |
166 |
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} |
167 |
> |
return(err); |
168 |
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} |
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|
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|
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> |
xform(name, fin) /* transform stream by tot.xfm */ |
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char *name; |
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register FILE *fin; |
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{ |
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} while (c != '\n'); |
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} else if (c == '!') { /* command */ |
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ungetc(c, fin); |
189 |
< |
if (expand) |
185 |
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xfcomm(name, fin); |
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else { |
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< |
putchar('\n'); |
188 |
< |
while ((c = getc(fin)) != EOF && c != '\n') |
189 |
< |
putchar(c); |
190 |
< |
printf(" |"); |
191 |
< |
for (c = 0; c < xac; c++) |
192 |
< |
printf(" %s", xav[c]); |
193 |
< |
putchar('\n'); |
194 |
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} |
189 |
> |
xfcomm(name, fin); |
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} else { /* object */ |
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ungetc(c, fin); |
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xfobject(name, fin); |
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} |
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< |
xfcomm(fname, fin) /* expand a command */ |
198 |
> |
xfcomm(fname, fin) /* transform a command */ |
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FILE *fin; |
200 |
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{ |
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FILE *popen(); |
202 |
< |
char *fgets(); |
202 |
> |
char *fgetline(); |
203 |
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FILE *pin; |
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char buf[512]; |
205 |
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int i; |
206 |
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207 |
< |
buf[0] = '\0'; |
208 |
< |
fgets(buf, sizeof(buf), fin); |
209 |
< |
if (buf[0] && buf[strlen(buf)-1] == '\n') |
210 |
< |
buf[strlen(buf)-1] = '\0'; |
211 |
< |
if ((pin = popen(buf+1, "r")) == NULL) { |
212 |
< |
fprintf(stderr, "%s: (%s): cannot execute \"%s\"\n", |
213 |
< |
progname, fname, buf); |
214 |
< |
exit(1); |
207 |
> |
fgetline(buf, sizeof(buf), fin); |
208 |
> |
if (expand) { |
209 |
> |
if (xac > 2) { |
210 |
> |
if ((pin = popen(buf+1, "r")) == NULL) { |
211 |
> |
fprintf(stderr, |
212 |
> |
"%s: (%s): cannot execute \"%s\"\n", |
213 |
> |
progname, fname, buf); |
214 |
> |
exit(1); |
215 |
> |
} |
216 |
> |
xform(buf, pin); |
217 |
> |
pclose(pin); |
218 |
> |
} else { |
219 |
> |
fflush(stdout); |
220 |
> |
system(buf+1); |
221 |
> |
} |
222 |
> |
} else { |
223 |
> |
printf("\n%s", buf); |
224 |
> |
if (xac > 1) { |
225 |
> |
printf(" | %s -e", xav[0]); |
226 |
> |
for (i = 1; i < xac; i++) |
227 |
> |
printf(" %s", xav[i]); |
228 |
> |
} |
229 |
> |
putchar('\n'); |
230 |
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} |
220 |
– |
xform(buf, pin); |
221 |
– |
pclose(pin); |
231 |
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} |
232 |
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|
233 |
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|
235 |
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char *fname; |
236 |
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FILE *fin; |
237 |
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{ |
238 |
< |
char stmp[MAXSTR]; |
238 |
> |
char typ[16], nam[MAXSTR]; |
239 |
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int fn; |
240 |
< |
|
241 |
< |
fscanf(fin, "%s", stmp); /* modifier */ |
242 |
< |
printf("\n%s ", stmp); |
234 |
< |
fscanf(fin, "%s", stmp); /* object type */ |
235 |
< |
if ((fn = otype(stmp)) < 0) { |
240 |
> |
/* modifier and type */ |
241 |
> |
fscanf(fin, "%s %s", nam, typ); |
242 |
> |
if ((fn = otype(typ)) < 0) { |
243 |
|
fprintf(stderr, "%s: (%s): unknown object type \"%s\"\n", |
244 |
< |
progname, fname, stmp); |
244 |
> |
progname, fname, typ); |
245 |
|
exit(1); |
246 |
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} |
247 |
< |
printf("%s ", stmp); |
248 |
< |
fscanf(fin, "%s", stmp); /* object name */ |
247 |
> |
printf("\n%s %s ", newmod!=NULL && issurface(fn) ? newmod : nam, typ); |
248 |
> |
/* object name */ |
249 |
> |
fscanf(fin, "%s", nam); |
250 |
|
if (idprefix != NULL && issurface(fn)) |
251 |
< |
printf("%s.%s\n", idprefix, stmp); |
251 |
> |
printf("%s.%s\n", idprefix, nam); |
252 |
|
else |
253 |
< |
printf("%s\n", stmp); |
254 |
< |
/* transform arguments */ |
253 |
> |
printf("%s\n", nam); |
254 |
> |
/* transform arguments */ |
255 |
|
if ((*ofun[fn].funp)(fin) < 0) { |
256 |
|
fprintf(stderr, "%s: (%s): bad %s \"%s\"\n", |
257 |
< |
progname, fname, ofun[fn].funame, stmp); |
257 |
> |
progname, fname, ofun[fn].funame, nam); |
258 |
|
exit(1); |
259 |
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} |
260 |
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} |
261 |
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|
262 |
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|
263 |
< |
passargs(fin) /* pass on arguments unchanged */ |
263 |
> |
o_default(fin) /* pass on arguments unchanged */ |
264 |
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FILE *fin; |
265 |
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{ |
266 |
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register int i; |
324 |
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{ |
325 |
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register int i; |
326 |
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|
327 |
< |
for (i = 0; ofun[i].funame != NULL; i++) |
327 |
> |
for (i = 0; i < NUMTYPES; i++) |
328 |
|
if (!strcmp(ofun[i].funame, ofname)) |
329 |
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return(i); |
330 |
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|
335 |
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alias(fin) /* transfer alias */ |
336 |
|
FILE *fin; |
337 |
|
{ |
338 |
< |
char alias[MAXSTR]; |
338 |
> |
char aliasnm[MAXSTR]; |
339 |
|
|
340 |
< |
if (fscanf(fin, "%s", alias) != 1) |
340 |
> |
if (fscanf(fin, "%s", aliasnm) != 1) |
341 |
|
return(-1); |
342 |
< |
printf("\t%s\n", alias); |
342 |
> |
printf("\t%s\n", aliasnm); |
343 |
|
return(0); |
344 |
|
} |
345 |
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|
356 |
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printf("0\n0\n4"); |
357 |
|
printf(" %18.12g %18.12g %18.12g", |
358 |
|
fa->farg[0], fa->farg[1], fa->farg[2]); |
359 |
< |
printf(" %18.12g\n", fa->farg[3] * totscale); |
359 |
> |
printf(" %18.12g\n", fa->farg[3] * tot.sca); |
360 |
|
freefargs(fa); |
361 |
|
return(0); |
362 |
|
} |
375 |
|
printf("0\n0\n7"); |
376 |
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
377 |
|
fa->farg[0], fa->farg[1], fa->farg[2], fa->farg[3]); |
378 |
< |
multv3(v, fa->farg+4, totxform); |
378 |
> |
multv3(v, fa->farg+4, tot.xfm); |
379 |
|
printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
380 |
|
freefargs(fa); |
381 |
|
return(0); |
394 |
|
return(-1); |
395 |
|
printf("0\n0\n5"); |
396 |
|
printf(" %18.12g %18.12g %18.12g", |
397 |
< |
pow(fa->farg[0], 1.0/totscale), |
398 |
< |
pow(fa->farg[1], 1.0/totscale), |
399 |
< |
pow(fa->farg[2], 1.0/totscale)); |
397 |
> |
pow(fa->farg[0], 1.0/tot.sca), |
398 |
> |
pow(fa->farg[1], 1.0/tot.sca), |
399 |
> |
pow(fa->farg[2], 1.0/tot.sca)); |
400 |
|
printf(" %18.12g %18.12g\n", fa->farg[3], fa->farg[4]); |
401 |
|
freefargs(fa); |
402 |
|
return(0); |
415 |
|
return(-1); |
416 |
|
printf("0\n0\n8\n"); |
417 |
|
printf("%18.12g %18.12g %18.12g", |
418 |
< |
pow(fa->farg[0], 1.0/totscale), |
419 |
< |
pow(fa->farg[1], 1.0/totscale), |
420 |
< |
pow(fa->farg[2], 1.0/totscale)); |
418 |
> |
pow(fa->farg[0], 1.0/tot.sca), |
419 |
> |
pow(fa->farg[1], 1.0/tot.sca), |
420 |
> |
pow(fa->farg[2], 1.0/tot.sca)); |
421 |
|
printf(" %18.12g\n", fa->farg[3]); |
422 |
|
printf("%18.12g %18.12g %18.12g", |
423 |
< |
pow(fa->farg[4], 1.0/totscale), |
424 |
< |
pow(fa->farg[5], 1.0/totscale), |
425 |
< |
pow(fa->farg[6], 1.0/totscale)); |
423 |
> |
pow(fa->farg[4], 1.0/tot.sca), |
424 |
> |
pow(fa->farg[5], 1.0/tot.sca), |
425 |
> |
pow(fa->farg[6], 1.0/tot.sca)); |
426 |
|
printf(" %18.12g\n", fa->farg[7]); |
427 |
|
freefargs(fa); |
428 |
|
return(0); |
447 |
|
printf(" %s", fa->sarg[i]); |
448 |
|
printf("\n0\n%d\n", fa->nfargs); |
449 |
|
/* anchor point */ |
450 |
< |
multp3(v, fa->farg, totxform); |
450 |
> |
multp3(v, fa->farg, tot.xfm); |
451 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
452 |
|
/* right vector */ |
453 |
< |
multv3(v, fa->farg+3, totxform); |
453 |
> |
multv3(v, fa->farg+3, tot.xfm); |
454 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
455 |
|
/* down vector */ |
456 |
< |
multv3(v, fa->farg+6, totxform); |
456 |
> |
multv3(v, fa->farg+6, tot.xfm); |
457 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
458 |
|
/* forground and background */ |
459 |
|
if (fa->nfargs == 11) |
480 |
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
481 |
|
return(-1); |
482 |
|
/* transform direction vector */ |
483 |
< |
multv3(dv, fa->farg, totxform); |
483 |
> |
multv3(dv, fa->farg, tot.xfm); |
484 |
|
/* output */ |
485 |
|
printf("0\n0\n4"); |
486 |
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
501 |
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
502 |
|
return(-1); |
503 |
|
|
504 |
< |
multp3(cent, fa->farg, totxform); /* transform center */ |
504 |
> |
multp3(cent, fa->farg, tot.xfm); /* transform center */ |
505 |
|
|
506 |
< |
rad = fa->farg[3] * totscale; /* scale radius */ |
506 |
> |
rad = fa->farg[3] * tot.sca; /* scale radius */ |
507 |
|
|
508 |
|
printf("0\n0\n4"); |
509 |
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
529 |
|
|
530 |
|
for (i = 0; i < fa->nfargs; i += 3) { |
531 |
|
if (reverse) |
532 |
< |
multp3(p, fa->farg+(fa->nfargs-i-3), totxform); |
532 |
> |
multp3(p, fa->farg+(fa->nfargs-i-3), tot.xfm); |
533 |
|
else |
534 |
< |
multp3(p, fa->farg+i, totxform); |
534 |
> |
multp3(p, fa->farg+i, tot.xfm); |
535 |
|
printf(" %18.12g %18.12g %18.12g\n", p[0], p[1], p[2]); |
536 |
|
} |
537 |
|
freefargs(fa); |
552 |
|
|
553 |
|
printf("0\n0\n8\n"); |
554 |
|
|
555 |
< |
multp3(p0, fa->farg, totxform); |
556 |
< |
multp3(p1, fa->farg+3, totxform); |
557 |
< |
r0 = fa->farg[6] * totscale; |
558 |
< |
r1 = fa->farg[7] * totscale; |
555 |
> |
multp3(p0, fa->farg, tot.xfm); |
556 |
> |
multp3(p1, fa->farg+3, tot.xfm); |
557 |
> |
r0 = fa->farg[6] * tot.sca; |
558 |
> |
r1 = fa->farg[7] * tot.sca; |
559 |
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
560 |
|
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
561 |
|
printf(" %18.12g %18.12g\n", r0, r1); |
578 |
|
|
579 |
|
printf("0\n0\n7\n"); |
580 |
|
|
581 |
< |
multp3(p0, fa->farg, totxform); |
582 |
< |
multp3(p1, fa->farg+3, totxform); |
583 |
< |
rad = fa->farg[6] * totscale; |
581 |
> |
multp3(p0, fa->farg, tot.xfm); |
582 |
> |
multp3(p1, fa->farg+3, tot.xfm); |
583 |
> |
rad = fa->farg[6] * tot.sca; |
584 |
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
585 |
|
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
586 |
|
printf(" %18.12g\n", rad); |
602 |
|
|
603 |
|
printf("0\n0\n8\n"); |
604 |
|
|
605 |
< |
multp3(p0, fa->farg, totxform); |
606 |
< |
multv3(pd, fa->farg+3, totxform); |
607 |
< |
r0 = fa->farg[6] * totscale; |
608 |
< |
r1 = fa->farg[7] * totscale; |
605 |
> |
multp3(p0, fa->farg, tot.xfm); |
606 |
> |
multv3(pd, fa->farg+3, tot.xfm); |
607 |
> |
r0 = fa->farg[6] * tot.sca; |
608 |
> |
r1 = fa->farg[7] * tot.sca; |
609 |
|
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
610 |
|
printf(" %18.12g %18.12g %18.12g\n", pd[0], pd[1], pd[2]); |
611 |
|
printf(" %18.12g %18.12g\n", r0, r1); |
684 |
|
if (fa->nfargs) |
685 |
|
free(fa->farg); |
686 |
|
free(fa); |
687 |
+ |
} |
688 |
+ |
|
689 |
+ |
|
690 |
+ |
initotypes() /* initialize ofun[] array */ |
691 |
+ |
{ |
692 |
+ |
extern int o_source(); |
693 |
+ |
extern int o_sphere(); |
694 |
+ |
extern int o_face(); |
695 |
+ |
extern int o_cone(); |
696 |
+ |
extern int o_cylinder(); |
697 |
+ |
extern int o_ring(); |
698 |
+ |
extern int m_glow(); |
699 |
+ |
extern int m_spot(); |
700 |
+ |
extern int m_dielectric(); |
701 |
+ |
extern int m_interface(); |
702 |
+ |
extern int text(); |
703 |
+ |
extern int alias(); |
704 |
+ |
extern int passargs(); |
705 |
+ |
extern int addxform(); |
706 |
+ |
register int i; |
707 |
+ |
|
708 |
+ |
if (ofun[OBJ_SOURCE].funp == o_source) |
709 |
+ |
return; /* done already */ |
710 |
+ |
/* alias is additional */ |
711 |
+ |
ofun[ALIAS].funame = ALIASID; |
712 |
+ |
ofun[ALIAS].flags = 0; |
713 |
+ |
/* functions get new transform */ |
714 |
+ |
for (i = 0; i < NUMTYPES; i++) |
715 |
+ |
if (hasfunc(i)) |
716 |
+ |
ofun[i].funp = addxform; |
717 |
+ |
/* special cases */ |
718 |
+ |
ofun[OBJ_SOURCE].funp = o_source; |
719 |
+ |
ofun[OBJ_SPHERE].funp = |
720 |
+ |
ofun[OBJ_BUBBLE].funp = o_sphere; |
721 |
+ |
ofun[OBJ_FACE].funp = o_face; |
722 |
+ |
ofun[OBJ_CONE].funp = |
723 |
+ |
ofun[OBJ_CUP].funp = o_cone; |
724 |
+ |
ofun[OBJ_CYLINDER].funp = |
725 |
+ |
ofun[OBJ_TUBE].funp = o_cylinder; |
726 |
+ |
ofun[OBJ_RING].funp = o_ring; |
727 |
+ |
ofun[OBJ_INSTANCE].funp = addxform; |
728 |
+ |
ofun[MAT_GLOW].funp = m_glow; |
729 |
+ |
ofun[MAT_SPOT].funp = m_spot; |
730 |
+ |
ofun[MAT_DIELECTRIC].funp = m_dielectric; |
731 |
+ |
ofun[MAT_INTERFACE].funp = m_interface; |
732 |
+ |
ofun[PAT_CTEXT].funp = |
733 |
+ |
ofun[PAT_BTEXT].funp = |
734 |
+ |
ofun[MIX_TEXT].funp = text; |
735 |
+ |
ofun[ALIAS].funp = alias; |
736 |
|
} |