1 |
greg |
2.6 |
/* Copyright (c) 1992 Regents of the University of California */ |
2 |
greg |
1.1 |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
5 |
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#endif |
6 |
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7 |
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/* |
8 |
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* xform.c - program to transform object files. |
9 |
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* Transformations must preserve aspect ratio. |
10 |
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* |
11 |
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* 10/19/85 |
12 |
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* 11/6/86 Finally added error checking! |
13 |
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*/ |
14 |
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15 |
greg |
1.12 |
#include "standard.h" |
16 |
greg |
1.1 |
|
17 |
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#include <ctype.h> |
18 |
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19 |
greg |
1.14 |
#include "object.h" |
20 |
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21 |
greg |
1.11 |
#include "otypes.h" |
22 |
greg |
1.1 |
|
23 |
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int xac; /* global xform argument count */ |
24 |
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char **xav; /* global xform argument pointer */ |
25 |
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int xfa; /* start of xf arguments */ |
26 |
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27 |
greg |
1.12 |
XF tot; /* total transformation */ |
28 |
greg |
1.16 |
int reverse; /* boolean true if scene mirrored */ |
29 |
greg |
1.1 |
|
30 |
greg |
1.16 |
int invert = 0; /* boolean true to invert surfaces */ |
31 |
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32 |
greg |
1.1 |
int expand = 0; /* boolean true to expand commands */ |
33 |
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34 |
greg |
1.13 |
char *newmod = NULL; /* new modifier for surfaces */ |
35 |
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36 |
greg |
1.1 |
char *idprefix = NULL; /* prefix for object identifiers */ |
37 |
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38 |
greg |
2.6 |
#define ALIAS NUMOTYPE /* put alias at end of array */ |
39 |
greg |
1.1 |
|
40 |
greg |
2.6 |
#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
41 |
greg |
1.1 |
|
42 |
greg |
1.11 |
FUN ofun[NUMTYPES] = INIT_OTYPE; /* default types and actions */ |
43 |
greg |
1.1 |
|
44 |
greg |
1.16 |
short tinvers[NUMOTYPE]; /* inverse types for surfaces */ |
45 |
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46 |
greg |
1.15 |
extern char *malloc(), *fgetword(); |
47 |
greg |
1.1 |
|
48 |
greg |
2.6 |
#define progname (xav[0]) |
49 |
greg |
1.1 |
|
50 |
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51 |
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main(argc, argv) /* get transform options and transform file */ |
52 |
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int argc; |
53 |
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char *argv[]; |
54 |
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{ |
55 |
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FILE *fopen(); |
56 |
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FILE *fp; |
57 |
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int a; |
58 |
greg |
1.8 |
/* check for array */ |
59 |
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for (a = 1; a < argc; a++) |
60 |
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if (!strcmp(argv[a], "-a")) |
61 |
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return(doarray(argc, argv, a)); |
62 |
greg |
1.1 |
|
63 |
greg |
1.11 |
initotypes(); |
64 |
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65 |
greg |
1.1 |
for (a = 1; a < argc; a++) { |
66 |
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if (argv[a][0] == '-') |
67 |
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switch (argv[a][1]) { |
68 |
greg |
1.13 |
case 'm': |
69 |
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if (argv[a][2] || a+1 >= argc) |
70 |
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break; |
71 |
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newmod = argv[++a]; |
72 |
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continue; |
73 |
greg |
1.1 |
case 'n': |
74 |
greg |
1.9 |
if (argv[a][2] || a+1 >= argc) |
75 |
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break; |
76 |
greg |
1.1 |
idprefix = argv[++a]; |
77 |
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continue; |
78 |
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case 'e': |
79 |
greg |
1.9 |
if (argv[a][2]) |
80 |
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break; |
81 |
greg |
1.1 |
expand = 1; |
82 |
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continue; |
83 |
greg |
1.16 |
case 'I': |
84 |
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if (argv[a][2]) |
85 |
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break; |
86 |
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invert = 1; |
87 |
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continue; |
88 |
greg |
1.1 |
} |
89 |
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break; |
90 |
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} |
91 |
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92 |
greg |
1.8 |
xav = argv; |
93 |
greg |
1.1 |
xfa = a; |
94 |
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95 |
greg |
1.12 |
a += xf(&tot, argc-a, argv+a); |
96 |
greg |
1.1 |
|
97 |
greg |
1.12 |
if (reverse = tot.sca < 0.0) |
98 |
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tot.sca = -tot.sca; |
99 |
greg |
1.16 |
if (invert) |
100 |
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reverse = !reverse; |
101 |
greg |
1.1 |
|
102 |
greg |
1.9 |
if (a < argc && argv[a][0] == '-') { |
103 |
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fprintf(stderr, "%s: command line error at '%s'\n", |
104 |
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argv[0], argv[a]); |
105 |
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exit(1); |
106 |
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} |
107 |
greg |
1.10 |
|
108 |
greg |
1.1 |
xac = a; |
109 |
greg |
1.10 |
/* simple header */ |
110 |
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putchar('#'); |
111 |
greg |
1.1 |
for (a = 0; a < xac; a++) |
112 |
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printf(" %s", xav[a]); |
113 |
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putchar('\n'); |
114 |
greg |
1.10 |
/* transform input */ |
115 |
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if (xac == argc) |
116 |
greg |
1.1 |
xform("standard input", stdin); |
117 |
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else |
118 |
greg |
1.10 |
for (a = xac; a < argc; a++) { |
119 |
greg |
1.1 |
if ((fp = fopen(argv[a], "r")) == NULL) { |
120 |
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fprintf(stderr, "%s: cannot open \"%s\"\n", |
121 |
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progname, argv[a]); |
122 |
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exit(1); |
123 |
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} |
124 |
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xform(argv[a], fp); |
125 |
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fclose(fp); |
126 |
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} |
127 |
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128 |
greg |
1.8 |
return(0); |
129 |
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} |
130 |
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131 |
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132 |
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doarray(ac, av, ai) /* make array */ |
133 |
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char **av; |
134 |
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int ac, ai; |
135 |
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{ |
136 |
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char *newav[256], **avp; |
137 |
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char newid[128], repts[32]; |
138 |
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char *oldid = NULL; |
139 |
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int i, err; |
140 |
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141 |
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avp = newav+2; |
142 |
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avp[0] = av[0]; |
143 |
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for (i = 1; i < ac; i++) |
144 |
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if (!strcmp(av[i-1], "-n")) { |
145 |
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oldid = av[i]; |
146 |
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avp[i] = newid; |
147 |
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} else |
148 |
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avp[i] = av[i]; |
149 |
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avp[ai] = "-i"; |
150 |
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avp[ai+1] = repts; |
151 |
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avp[i] = NULL; |
152 |
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if (oldid == NULL) { |
153 |
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newav[0] = av[0]; |
154 |
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newav[1] = "-n"; |
155 |
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newav[2] = newid; |
156 |
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avp = newav; |
157 |
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ac += 2; |
158 |
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} |
159 |
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err = 0; |
160 |
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for (i = 0; i < atoi(av[ai+1]); i++) { |
161 |
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if (oldid == NULL) |
162 |
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sprintf(newid, "a%d", i); |
163 |
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else |
164 |
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sprintf(newid, "%s.%d", oldid, i); |
165 |
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sprintf(repts, "%d", i); |
166 |
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err |= main(ac, avp); |
167 |
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} |
168 |
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return(err); |
169 |
greg |
1.1 |
} |
170 |
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171 |
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172 |
greg |
1.12 |
xform(name, fin) /* transform stream by tot.xfm */ |
173 |
greg |
1.1 |
char *name; |
174 |
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register FILE *fin; |
175 |
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{ |
176 |
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register int c; |
177 |
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178 |
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while ((c = getc(fin)) != EOF) { |
179 |
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if (isspace(c)) /* blank */ |
180 |
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continue; |
181 |
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if (c == '#') { /* comment */ |
182 |
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putchar(c); |
183 |
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do { |
184 |
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if ((c = getc(fin)) == EOF) |
185 |
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return; |
186 |
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putchar(c); |
187 |
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} while (c != '\n'); |
188 |
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} else if (c == '!') { /* command */ |
189 |
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ungetc(c, fin); |
190 |
greg |
1.7 |
xfcomm(name, fin); |
191 |
greg |
1.1 |
} else { /* object */ |
192 |
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ungetc(c, fin); |
193 |
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xfobject(name, fin); |
194 |
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} |
195 |
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} |
196 |
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} |
197 |
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198 |
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199 |
greg |
1.7 |
xfcomm(fname, fin) /* transform a command */ |
200 |
greg |
2.6 |
char *fname; |
201 |
greg |
1.1 |
FILE *fin; |
202 |
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{ |
203 |
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FILE *popen(); |
204 |
greg |
1.7 |
char *fgetline(); |
205 |
greg |
1.1 |
FILE *pin; |
206 |
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char buf[512]; |
207 |
greg |
1.7 |
int i; |
208 |
greg |
1.1 |
|
209 |
greg |
1.7 |
fgetline(buf, sizeof(buf), fin); |
210 |
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if (expand) { |
211 |
greg |
2.4 |
if ((pin = popen(buf+1, "r")) == NULL) { |
212 |
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fprintf(stderr, "%s: (%s): cannot execute \"%s\"\n", |
213 |
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progname, fname, buf); |
214 |
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exit(1); |
215 |
greg |
1.7 |
} |
216 |
greg |
2.4 |
xform(buf, pin); |
217 |
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pclose(pin); |
218 |
greg |
1.7 |
} else { |
219 |
greg |
1.10 |
printf("\n%s", buf); |
220 |
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if (xac > 1) { |
221 |
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printf(" | %s -e", xav[0]); |
222 |
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for (i = 1; i < xac; i++) |
223 |
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printf(" %s", xav[i]); |
224 |
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} |
225 |
greg |
1.7 |
putchar('\n'); |
226 |
greg |
1.1 |
} |
227 |
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} |
228 |
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229 |
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230 |
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xfobject(fname, fin) /* transform an object */ |
231 |
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char *fname; |
232 |
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FILE *fin; |
233 |
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{ |
234 |
greg |
1.16 |
extern char *strcpy(); |
235 |
greg |
1.13 |
char typ[16], nam[MAXSTR]; |
236 |
greg |
1.1 |
int fn; |
237 |
greg |
1.13 |
/* modifier and type */ |
238 |
greg |
1.15 |
strcpy(typ, "EOF"); |
239 |
|
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fgetword(nam, sizeof(nam), fin); |
240 |
|
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fgetword(typ, sizeof(typ), fin); |
241 |
greg |
1.13 |
if ((fn = otype(typ)) < 0) { |
242 |
greg |
1.1 |
fprintf(stderr, "%s: (%s): unknown object type \"%s\"\n", |
243 |
greg |
1.13 |
progname, fname, typ); |
244 |
greg |
1.1 |
exit(1); |
245 |
|
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} |
246 |
greg |
2.3 |
if (ismodifier(fn)) |
247 |
|
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printf("\n%s %s ", nam, typ); |
248 |
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else |
249 |
greg |
1.16 |
printf("\n%s %s ", newmod != NULL ? newmod : nam, |
250 |
|
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invert ? ofun[tinvers[fn]].funame : typ); |
251 |
greg |
1.13 |
/* object name */ |
252 |
greg |
1.15 |
fgetword(nam, sizeof(nam), fin); |
253 |
greg |
2.3 |
if (idprefix == NULL || ismodifier(fn)) |
254 |
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printf("%s\n", nam); |
255 |
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else |
256 |
greg |
1.13 |
printf("%s.%s\n", idprefix, nam); |
257 |
|
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/* transform arguments */ |
258 |
greg |
1.1 |
if ((*ofun[fn].funp)(fin) < 0) { |
259 |
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fprintf(stderr, "%s: (%s): bad %s \"%s\"\n", |
260 |
greg |
1.13 |
progname, fname, ofun[fn].funame, nam); |
261 |
greg |
1.1 |
exit(1); |
262 |
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} |
263 |
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} |
264 |
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265 |
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|
266 |
greg |
1.11 |
o_default(fin) /* pass on arguments unchanged */ |
267 |
greg |
1.1 |
FILE *fin; |
268 |
|
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{ |
269 |
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register int i; |
270 |
greg |
2.6 |
FUNARGS fa; |
271 |
greg |
1.1 |
|
272 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
273 |
greg |
1.1 |
return(-1); |
274 |
|
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/* string arguments */ |
275 |
greg |
1.14 |
printf("%d", fa.nsargs); |
276 |
|
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for (i = 0; i < fa.nsargs; i++) |
277 |
|
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printf(" %s", fa.sarg[i]); |
278 |
greg |
1.1 |
printf("\n"); |
279 |
greg |
2.6 |
#ifdef IARGS |
280 |
greg |
1.1 |
/* integer arguments */ |
281 |
greg |
1.14 |
printf("%d", fa.niargs); |
282 |
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for (i = 0; i < fa.niargs; i++) |
283 |
|
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printf(" %d", fa.iarg[i]); |
284 |
greg |
1.1 |
printf("\n"); |
285 |
greg |
1.15 |
#else |
286 |
|
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printf("0\n"); |
287 |
greg |
1.14 |
#endif |
288 |
greg |
1.1 |
/* float arguments */ |
289 |
greg |
1.14 |
printf("%d", fa.nfargs); |
290 |
|
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for (i = 0; i < fa.nfargs; i++) |
291 |
|
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printf(" %18.12g", fa.farg[i]); |
292 |
greg |
1.1 |
printf("\n"); |
293 |
greg |
1.14 |
freefargs(&fa); |
294 |
greg |
1.1 |
return(0); |
295 |
|
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} |
296 |
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|
297 |
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|
298 |
|
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addxform(fin) /* add xf arguments to strings */ |
299 |
|
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FILE *fin; |
300 |
|
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{ |
301 |
|
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register int i; |
302 |
greg |
2.2 |
int resetarr = 0; |
303 |
greg |
2.6 |
FUNARGS fa; |
304 |
greg |
1.1 |
|
305 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
306 |
greg |
1.1 |
return(-1); |
307 |
|
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/* string arguments */ |
308 |
greg |
2.2 |
if (xac > xfa && strcmp(xav[xfa], "-i")) |
309 |
|
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resetarr = 2; |
310 |
|
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printf("%d", fa.nsargs + resetarr + xac-xfa); |
311 |
greg |
1.14 |
for (i = 0; i < fa.nsargs; i++) |
312 |
|
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printf(" %s", fa.sarg[i]); |
313 |
greg |
2.2 |
if (resetarr) |
314 |
|
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printf(" -i 1"); |
315 |
greg |
1.1 |
for (i = xfa; i < xac; i++) /* add xf arguments */ |
316 |
|
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printf(" %s", xav[i]); |
317 |
|
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printf("\n"); |
318 |
greg |
2.6 |
#ifdef IARGS |
319 |
greg |
1.1 |
/* integer arguments */ |
320 |
greg |
1.14 |
printf("%d", fa.niargs); |
321 |
|
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for (i = 0; i < fa.niargs; i++) |
322 |
|
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printf(" %d", fa.iarg[i]); |
323 |
greg |
1.1 |
printf("\n"); |
324 |
greg |
1.15 |
#else |
325 |
|
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printf("0\n"); |
326 |
greg |
1.14 |
#endif |
327 |
greg |
1.1 |
/* float arguments */ |
328 |
greg |
1.14 |
printf("%d", fa.nfargs); |
329 |
|
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for (i = 0; i < fa.nfargs; i++) |
330 |
|
|
printf(" %18.12g", fa.farg[i]); |
331 |
greg |
1.1 |
printf("\n"); |
332 |
greg |
1.14 |
freefargs(&fa); |
333 |
greg |
1.1 |
return(0); |
334 |
|
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} |
335 |
|
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|
336 |
|
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|
337 |
|
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int |
338 |
|
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otype(ofname) /* get object function number from its name */ |
339 |
|
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register char *ofname; |
340 |
|
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{ |
341 |
|
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register int i; |
342 |
|
|
|
343 |
greg |
1.11 |
for (i = 0; i < NUMTYPES; i++) |
344 |
greg |
1.1 |
if (!strcmp(ofun[i].funame, ofname)) |
345 |
|
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return(i); |
346 |
|
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|
347 |
|
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return(-1); /* not found */ |
348 |
|
|
} |
349 |
|
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|
350 |
|
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|
351 |
|
|
alias(fin) /* transfer alias */ |
352 |
|
|
FILE *fin; |
353 |
|
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{ |
354 |
greg |
1.12 |
char aliasnm[MAXSTR]; |
355 |
greg |
1.1 |
|
356 |
greg |
1.15 |
if (fgetword(aliasnm, MAXSTR, fin) == NULL) |
357 |
greg |
1.1 |
return(-1); |
358 |
greg |
1.12 |
printf("\t%s\n", aliasnm); |
359 |
greg |
1.5 |
return(0); |
360 |
|
|
} |
361 |
|
|
|
362 |
|
|
|
363 |
|
|
m_glow(fin) /* transform arguments for proximity light */ |
364 |
|
|
FILE *fin; |
365 |
|
|
{ |
366 |
greg |
2.6 |
FUNARGS fa; |
367 |
greg |
1.5 |
|
368 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
369 |
greg |
1.5 |
return(-1); |
370 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
371 |
greg |
1.5 |
return(-1); |
372 |
|
|
printf("0\n0\n4"); |
373 |
|
|
printf(" %18.12g %18.12g %18.12g", |
374 |
greg |
1.14 |
fa.farg[0], fa.farg[1], fa.farg[2]); |
375 |
|
|
printf(" %18.12g\n", fa.farg[3] * tot.sca); |
376 |
|
|
freefargs(&fa); |
377 |
greg |
1.5 |
return(0); |
378 |
|
|
} |
379 |
|
|
|
380 |
|
|
|
381 |
|
|
m_spot(fin) /* transform arguments for spotlight */ |
382 |
|
|
FILE *fin; |
383 |
|
|
{ |
384 |
greg |
1.17 |
FVECT v; |
385 |
greg |
2.6 |
FUNARGS fa; |
386 |
greg |
1.5 |
|
387 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
388 |
greg |
1.5 |
return(-1); |
389 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 7) |
390 |
greg |
1.5 |
return(-1); |
391 |
|
|
printf("0\n0\n7"); |
392 |
|
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
393 |
greg |
1.14 |
fa.farg[0], fa.farg[1], fa.farg[2], fa.farg[3]); |
394 |
|
|
multv3(v, fa.farg+4, tot.xfm); |
395 |
greg |
1.5 |
printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
396 |
greg |
1.14 |
freefargs(&fa); |
397 |
greg |
1.1 |
return(0); |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
|
401 |
|
|
m_dielectric(fin) /* transform arguments for dielectric */ |
402 |
|
|
FILE *fin; |
403 |
|
|
{ |
404 |
greg |
2.6 |
double pow(); |
405 |
|
|
FUNARGS fa; |
406 |
greg |
1.1 |
|
407 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
408 |
greg |
1.1 |
return(-1); |
409 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 5) |
410 |
greg |
1.1 |
return(-1); |
411 |
|
|
printf("0\n0\n5"); |
412 |
|
|
printf(" %18.12g %18.12g %18.12g", |
413 |
greg |
1.14 |
pow(fa.farg[0], 1.0/tot.sca), |
414 |
|
|
pow(fa.farg[1], 1.0/tot.sca), |
415 |
|
|
pow(fa.farg[2], 1.0/tot.sca)); |
416 |
|
|
printf(" %18.12g %18.12g\n", fa.farg[3], fa.farg[4]); |
417 |
|
|
freefargs(&fa); |
418 |
greg |
1.1 |
return(0); |
419 |
|
|
} |
420 |
|
|
|
421 |
|
|
|
422 |
|
|
m_interface(fin) /* transform arguments for interface */ |
423 |
|
|
FILE *fin; |
424 |
|
|
{ |
425 |
greg |
2.6 |
double pow(); |
426 |
|
|
FUNARGS fa; |
427 |
greg |
1.1 |
|
428 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
429 |
greg |
1.1 |
return(-1); |
430 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
431 |
greg |
1.1 |
return(-1); |
432 |
|
|
printf("0\n0\n8\n"); |
433 |
|
|
printf("%18.12g %18.12g %18.12g", |
434 |
greg |
1.14 |
pow(fa.farg[0], 1.0/tot.sca), |
435 |
|
|
pow(fa.farg[1], 1.0/tot.sca), |
436 |
|
|
pow(fa.farg[2], 1.0/tot.sca)); |
437 |
|
|
printf(" %18.12g\n", fa.farg[3]); |
438 |
greg |
1.1 |
printf("%18.12g %18.12g %18.12g", |
439 |
greg |
1.14 |
pow(fa.farg[4], 1.0/tot.sca), |
440 |
|
|
pow(fa.farg[5], 1.0/tot.sca), |
441 |
|
|
pow(fa.farg[6], 1.0/tot.sca)); |
442 |
|
|
printf(" %18.12g\n", fa.farg[7]); |
443 |
|
|
freefargs(&fa); |
444 |
greg |
1.1 |
return(0); |
445 |
|
|
} |
446 |
|
|
|
447 |
|
|
|
448 |
|
|
text(fin) /* transform text arguments */ |
449 |
|
|
FILE *fin; |
450 |
|
|
{ |
451 |
|
|
int i; |
452 |
greg |
1.17 |
FVECT v; |
453 |
greg |
2.6 |
FUNARGS fa; |
454 |
greg |
1.1 |
|
455 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
456 |
greg |
1.1 |
return(-1); |
457 |
greg |
2.5 |
if (fa.nfargs < 9) |
458 |
greg |
1.1 |
return(-1); |
459 |
|
|
/* string arguments */ |
460 |
greg |
1.14 |
printf("%d", fa.nsargs); |
461 |
|
|
for (i = 0; i < fa.nsargs; i++) |
462 |
|
|
printf(" %s", fa.sarg[i]); |
463 |
|
|
printf("\n0\n%d\n", fa.nfargs); |
464 |
greg |
1.1 |
/* anchor point */ |
465 |
greg |
1.14 |
multp3(v, fa.farg, tot.xfm); |
466 |
greg |
1.1 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
467 |
|
|
/* right vector */ |
468 |
greg |
1.14 |
multv3(v, fa.farg+3, tot.xfm); |
469 |
greg |
1.1 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
470 |
|
|
/* down vector */ |
471 |
greg |
1.14 |
multv3(v, fa.farg+6, tot.xfm); |
472 |
greg |
2.5 |
printf(" %18.12g %18.12g %18.12g", v[0], v[1], v[2]); |
473 |
|
|
/* remaining arguments */ |
474 |
|
|
for (i = 9; i < fa.nfargs; i++) { |
475 |
|
|
if (i%3 == 0) |
476 |
|
|
putchar('\n'); |
477 |
|
|
printf(" %18.12g", fa.farg[i]); |
478 |
greg |
1.1 |
} |
479 |
greg |
2.5 |
putchar('\n'); |
480 |
greg |
1.14 |
freefargs(&fa); |
481 |
greg |
1.1 |
return(0); |
482 |
|
|
} |
483 |
|
|
|
484 |
|
|
|
485 |
|
|
o_source(fin) /* transform source arguments */ |
486 |
|
|
FILE *fin; |
487 |
|
|
{ |
488 |
greg |
1.17 |
FVECT dv; |
489 |
greg |
2.6 |
FUNARGS fa; |
490 |
greg |
1.1 |
|
491 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
492 |
greg |
1.1 |
return(-1); |
493 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
494 |
greg |
1.1 |
return(-1); |
495 |
|
|
/* transform direction vector */ |
496 |
greg |
1.14 |
multv3(dv, fa.farg, tot.xfm); |
497 |
greg |
1.1 |
/* output */ |
498 |
|
|
printf("0\n0\n4"); |
499 |
|
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
500 |
greg |
1.14 |
dv[0], dv[1], dv[2], fa.farg[3]); |
501 |
|
|
freefargs(&fa); |
502 |
greg |
1.1 |
return(0); |
503 |
|
|
} |
504 |
|
|
|
505 |
|
|
|
506 |
|
|
o_sphere(fin) /* transform sphere arguments */ |
507 |
|
|
FILE *fin; |
508 |
|
|
{ |
509 |
greg |
1.17 |
FVECT cent; |
510 |
greg |
2.6 |
double rad; |
511 |
|
|
FUNARGS fa; |
512 |
greg |
1.1 |
|
513 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
514 |
greg |
1.1 |
return(-1); |
515 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 4) |
516 |
greg |
1.1 |
return(-1); |
517 |
|
|
|
518 |
greg |
2.6 |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
519 |
greg |
1.1 |
|
520 |
greg |
1.14 |
rad = fa.farg[3] * tot.sca; /* scale radius */ |
521 |
greg |
1.1 |
|
522 |
|
|
printf("0\n0\n4"); |
523 |
|
|
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
524 |
|
|
cent[0], cent[1], cent[2], rad); |
525 |
greg |
1.14 |
freefargs(&fa); |
526 |
greg |
1.1 |
return(0); |
527 |
|
|
} |
528 |
|
|
|
529 |
|
|
|
530 |
|
|
o_face(fin) /* transform face arguments */ |
531 |
|
|
FILE *fin; |
532 |
|
|
{ |
533 |
greg |
1.17 |
FVECT p; |
534 |
greg |
1.1 |
register int i; |
535 |
greg |
2.6 |
FUNARGS fa; |
536 |
greg |
1.1 |
|
537 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
538 |
greg |
1.1 |
return(-1); |
539 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs % 3) |
540 |
greg |
1.1 |
return(-1); |
541 |
|
|
|
542 |
greg |
1.14 |
printf("0\n0\n%d\n", fa.nfargs); |
543 |
greg |
1.1 |
|
544 |
greg |
1.14 |
for (i = 0; i < fa.nfargs; i += 3) { |
545 |
greg |
1.1 |
if (reverse) |
546 |
greg |
1.14 |
multp3(p, fa.farg+(fa.nfargs-i-3), tot.xfm); |
547 |
greg |
1.1 |
else |
548 |
greg |
1.14 |
multp3(p, fa.farg+i, tot.xfm); |
549 |
greg |
1.1 |
printf(" %18.12g %18.12g %18.12g\n", p[0], p[1], p[2]); |
550 |
|
|
} |
551 |
greg |
1.14 |
freefargs(&fa); |
552 |
greg |
1.1 |
return(0); |
553 |
|
|
} |
554 |
|
|
|
555 |
|
|
|
556 |
|
|
o_cone(fin) /* transform cone and cup arguments */ |
557 |
|
|
FILE *fin; |
558 |
|
|
{ |
559 |
greg |
1.17 |
FVECT p0, p1; |
560 |
greg |
2.6 |
double r0, r1; |
561 |
|
|
FUNARGS fa; |
562 |
greg |
1.1 |
|
563 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
564 |
greg |
1.1 |
return(-1); |
565 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
566 |
greg |
1.1 |
return(-1); |
567 |
|
|
|
568 |
|
|
printf("0\n0\n8\n"); |
569 |
|
|
|
570 |
greg |
1.14 |
multp3(p0, fa.farg, tot.xfm); |
571 |
|
|
multp3(p1, fa.farg+3, tot.xfm); |
572 |
|
|
r0 = fa.farg[6] * tot.sca; |
573 |
|
|
r1 = fa.farg[7] * tot.sca; |
574 |
greg |
1.1 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
575 |
|
|
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
576 |
|
|
printf(" %18.12g %18.12g\n", r0, r1); |
577 |
|
|
|
578 |
greg |
1.14 |
freefargs(&fa); |
579 |
greg |
1.1 |
return(0); |
580 |
|
|
} |
581 |
|
|
|
582 |
|
|
|
583 |
|
|
o_cylinder(fin) /* transform cylinder and tube arguments */ |
584 |
|
|
FILE *fin; |
585 |
|
|
{ |
586 |
greg |
1.17 |
FVECT p0, p1; |
587 |
greg |
2.6 |
double rad; |
588 |
|
|
FUNARGS fa; |
589 |
greg |
1.1 |
|
590 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
591 |
greg |
1.1 |
return(-1); |
592 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 7) |
593 |
greg |
1.1 |
return(-1); |
594 |
|
|
|
595 |
|
|
printf("0\n0\n7\n"); |
596 |
|
|
|
597 |
greg |
1.14 |
multp3(p0, fa.farg, tot.xfm); |
598 |
|
|
multp3(p1, fa.farg+3, tot.xfm); |
599 |
|
|
rad = fa.farg[6] * tot.sca; |
600 |
greg |
1.1 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
601 |
|
|
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
602 |
|
|
printf(" %18.12g\n", rad); |
603 |
greg |
1.14 |
freefargs(&fa); |
604 |
greg |
1.1 |
return(0); |
605 |
|
|
} |
606 |
|
|
|
607 |
|
|
|
608 |
|
|
o_ring(fin) /* transform ring arguments */ |
609 |
|
|
FILE *fin; |
610 |
|
|
{ |
611 |
greg |
1.17 |
FVECT p0, pd; |
612 |
greg |
2.6 |
double r0, r1; |
613 |
|
|
FUNARGS fa; |
614 |
greg |
1.1 |
|
615 |
greg |
1.15 |
if (readfargs(&fa, fin) != 1) |
616 |
greg |
1.1 |
return(-1); |
617 |
greg |
1.14 |
if (fa.nsargs != 0 || fa.nfargs != 8) |
618 |
greg |
1.1 |
return(-1); |
619 |
|
|
|
620 |
|
|
printf("0\n0\n8\n"); |
621 |
|
|
|
622 |
greg |
1.14 |
multp3(p0, fa.farg, tot.xfm); |
623 |
|
|
multv3(pd, fa.farg+3, tot.xfm); |
624 |
greg |
1.16 |
if (invert) { |
625 |
|
|
pd[0] = -pd[0]; |
626 |
|
|
pd[1] = -pd[1]; |
627 |
|
|
pd[2] = -pd[2]; |
628 |
|
|
} |
629 |
greg |
1.14 |
r0 = fa.farg[6] * tot.sca; |
630 |
|
|
r1 = fa.farg[7] * tot.sca; |
631 |
greg |
1.1 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
632 |
|
|
printf(" %18.12g %18.12g %18.12g\n", pd[0], pd[1], pd[2]); |
633 |
|
|
printf(" %18.12g %18.12g\n", r0, r1); |
634 |
greg |
1.14 |
freefargs(&fa); |
635 |
greg |
1.1 |
return(0); |
636 |
greg |
1.11 |
} |
637 |
|
|
|
638 |
|
|
|
639 |
|
|
initotypes() /* initialize ofun[] array */ |
640 |
|
|
{ |
641 |
|
|
extern int o_source(); |
642 |
|
|
extern int o_sphere(); |
643 |
|
|
extern int o_face(); |
644 |
|
|
extern int o_cone(); |
645 |
|
|
extern int o_cylinder(); |
646 |
|
|
extern int o_ring(); |
647 |
|
|
extern int m_glow(); |
648 |
|
|
extern int m_spot(); |
649 |
|
|
extern int m_dielectric(); |
650 |
|
|
extern int m_interface(); |
651 |
|
|
extern int text(); |
652 |
|
|
extern int alias(); |
653 |
|
|
extern int passargs(); |
654 |
|
|
extern int addxform(); |
655 |
|
|
register int i; |
656 |
|
|
|
657 |
|
|
if (ofun[OBJ_SOURCE].funp == o_source) |
658 |
|
|
return; /* done already */ |
659 |
|
|
/* alias is additional */ |
660 |
|
|
ofun[ALIAS].funame = ALIASID; |
661 |
|
|
ofun[ALIAS].flags = 0; |
662 |
|
|
/* functions get new transform */ |
663 |
|
|
for (i = 0; i < NUMTYPES; i++) |
664 |
|
|
if (hasfunc(i)) |
665 |
|
|
ofun[i].funp = addxform; |
666 |
|
|
/* special cases */ |
667 |
|
|
ofun[OBJ_SOURCE].funp = o_source; |
668 |
|
|
ofun[OBJ_SPHERE].funp = |
669 |
|
|
ofun[OBJ_BUBBLE].funp = o_sphere; |
670 |
|
|
ofun[OBJ_FACE].funp = o_face; |
671 |
|
|
ofun[OBJ_CONE].funp = |
672 |
|
|
ofun[OBJ_CUP].funp = o_cone; |
673 |
|
|
ofun[OBJ_CYLINDER].funp = |
674 |
|
|
ofun[OBJ_TUBE].funp = o_cylinder; |
675 |
|
|
ofun[OBJ_RING].funp = o_ring; |
676 |
|
|
ofun[OBJ_INSTANCE].funp = addxform; |
677 |
|
|
ofun[MAT_GLOW].funp = m_glow; |
678 |
|
|
ofun[MAT_SPOT].funp = m_spot; |
679 |
|
|
ofun[MAT_DIELECTRIC].funp = m_dielectric; |
680 |
|
|
ofun[MAT_INTERFACE].funp = m_interface; |
681 |
|
|
ofun[PAT_CTEXT].funp = |
682 |
|
|
ofun[PAT_BTEXT].funp = |
683 |
|
|
ofun[MIX_TEXT].funp = text; |
684 |
|
|
ofun[ALIAS].funp = alias; |
685 |
greg |
1.16 |
/* surface inverses */ |
686 |
|
|
tinvers[OBJ_SOURCE] = OBJ_SOURCE; |
687 |
|
|
tinvers[OBJ_CONE] = OBJ_CUP; |
688 |
|
|
tinvers[OBJ_CUP] = OBJ_CONE; |
689 |
|
|
tinvers[OBJ_SPHERE] = OBJ_BUBBLE; |
690 |
|
|
tinvers[OBJ_BUBBLE] = OBJ_SPHERE; |
691 |
|
|
tinvers[OBJ_RING] = OBJ_RING; |
692 |
|
|
tinvers[OBJ_CYLINDER] = OBJ_TUBE; |
693 |
|
|
tinvers[OBJ_TUBE] = OBJ_CYLINDER; |
694 |
|
|
tinvers[OBJ_INSTANCE] = OBJ_INSTANCE; /* oh, well */ |
695 |
greg |
1.1 |
} |