1 |
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/* Copyright (c) 1992 Regents of the University of California */ |
2 |
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|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
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|
4 |
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/* |
5 |
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* rv2.c - command routines used in tracing a view. |
6 |
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* |
7 |
< |
* 3/24/87 |
7 |
> |
* External symbols declared in rpaint.h |
8 |
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*/ |
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|
10 |
< |
#include "ray.h" |
10 |
> |
#include "copyright.h" |
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|
12 |
< |
#include "octree.h" |
12 |
> |
#include <ctype.h> |
13 |
> |
#include <string.h> |
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|
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#include "platform.h" |
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+ |
#include "rtprocess.h" /* win_popen() */ |
17 |
+ |
#include "paths.h" |
18 |
+ |
#include "ray.h" |
19 |
+ |
#include "ambient.h" |
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#include "otypes.h" |
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|
21 |
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#include "otspecial.h" |
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#include "rpaint.h" |
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|
24 |
< |
#include "resolu.h" |
24 |
> |
extern int psample; /* pixel sample size */ |
25 |
> |
extern double maxdiff; /* max. sample difference */ |
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|
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#include <ctype.h> |
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|
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#define CTRL(c) ((c)-'@') |
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|
29 |
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#ifdef SMLFLT |
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#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
29 |
< |
#else |
30 |
< |
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
31 |
< |
#endif |
29 |
> |
#define sscanvec(s,v) (sscanf(s,FVFORMAT,v,v+1,v+2)==3) |
30 |
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|
31 |
+ |
extern char rifname[128]; /* rad input file name */ |
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|
34 |
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extern char VersionID[]; |
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extern char *progname; |
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extern char *octname; |
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|
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|
37 |
< |
getframe(s) /* get a new frame */ |
38 |
< |
char *s; |
37 |
> |
void |
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> |
getframe( /* get a new frame */ |
39 |
> |
char *s |
40 |
> |
) |
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{ |
42 |
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if (getrect(s, &pframe) < 0) |
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return; |
45 |
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} |
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|
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|
48 |
< |
getrepaint(s) /* get area and repaint */ |
49 |
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char *s; |
48 |
> |
void |
49 |
> |
getrepaint( /* get area and repaint */ |
50 |
> |
char *s |
51 |
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) |
52 |
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{ |
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RECT box; |
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|
55 |
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if (getrect(s, &box) < 0) |
56 |
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return; |
57 |
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paintrect(&ptrunk, 0, 0, hresolu, vresolu, &box); |
57 |
> |
paintrect(&ptrunk, &box); |
58 |
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} |
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|
60 |
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|
61 |
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getview(s) /* get/show view parameters */ |
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char *s; |
61 |
> |
void |
62 |
> |
getview( /* get/show/save view parameters */ |
63 |
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char *s |
64 |
> |
) |
65 |
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{ |
66 |
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FILE *fp; |
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char buf[128]; |
68 |
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char *fname; |
69 |
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int change = 0; |
70 |
< |
VIEW nv; |
70 |
> |
VIEW nv = ourview; |
71 |
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|
72 |
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while (isspace(*s)) |
73 |
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s++; |
74 |
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if (*s == '-') { /* command line parameters */ |
71 |
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copystruct(&nv, &ourview); |
75 |
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if (sscanview(&nv, s)) |
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newview(&nv); |
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else |
78 |
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error(COMMAND, "bad view option(s)"); |
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return; |
80 |
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} |
81 |
< |
if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
81 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { /* write to a file */ |
82 |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
83 |
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(fp = fopen(fname, "a")) == NULL) { |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
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fputs(progname, fp); |
89 |
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fprintview(&ourview, fp); |
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fputs(sskip(s), fp); |
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fputs("\n", fp); |
91 |
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putc('\n', fp); |
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fclose(fp); |
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return; |
94 |
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} |
99 |
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if (buf[0] && buf[0] != ourview.type) { |
100 |
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nv.type = buf[0]; |
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change++; |
102 |
< |
} else |
100 |
< |
nv.type = ourview.type; |
102 |
> |
} |
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sprintf(buf, "view point (%.6g %.6g %.6g): ", |
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ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
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(*dev->comout)(buf); |
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if (buf[0] == CTRL('C')) return; |
108 |
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if (sscanvec(buf, nv.vp)) |
109 |
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change++; |
108 |
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else |
109 |
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VCOPY(nv.vp, ourview.vp); |
110 |
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sprintf(buf, "view direction (%.6g %.6g %.6g): ", |
111 |
< |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
111 |
> |
ourview.vdir[0]*ourview.vdist, |
112 |
> |
ourview.vdir[1]*ourview.vdist, |
113 |
> |
ourview.vdir[2]*ourview.vdist); |
114 |
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(*dev->comout)(buf); |
115 |
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(*dev->comin)(buf, NULL); |
116 |
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if (buf[0] == CTRL('C')) return; |
117 |
< |
if (sscanvec(buf, nv.vdir)) |
117 |
> |
if (sscanvec(buf, nv.vdir)) { |
118 |
> |
nv.vdist = 1.; |
119 |
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change++; |
120 |
< |
else |
118 |
< |
VCOPY(nv.vdir, ourview.vdir); |
120 |
> |
} |
121 |
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sprintf(buf, "view up (%.6g %.6g %.6g): ", |
122 |
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ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
123 |
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(*dev->comout)(buf); |
125 |
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if (buf[0] == CTRL('C')) return; |
126 |
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if (sscanvec(buf, nv.vup)) |
127 |
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change++; |
126 |
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else |
127 |
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VCOPY(nv.vup, ourview.vup); |
128 |
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sprintf(buf, "view horiz and vert size (%.6g %.6g): ", |
129 |
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ourview.horiz, ourview.vert); |
130 |
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(*dev->comout)(buf); |
132 |
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if (buf[0] == CTRL('C')) return; |
133 |
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if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
134 |
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change++; |
135 |
< |
else { |
136 |
< |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
137 |
< |
} |
135 |
> |
sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
136 |
> |
ourview.vfore, ourview.vaft); |
137 |
> |
(*dev->comout)(buf); |
138 |
> |
(*dev->comin)(buf, NULL); |
139 |
> |
if (buf[0] == CTRL('C')) return; |
140 |
> |
if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
141 |
> |
change++; |
142 |
|
sprintf(buf, "view shift and lift (%.6g %.6g): ", |
143 |
|
ourview.hoff, ourview.voff); |
144 |
|
(*dev->comout)(buf); |
146 |
|
if (buf[0] == CTRL('C')) return; |
147 |
|
if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
148 |
|
change++; |
145 |
– |
else { |
146 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
147 |
– |
} |
149 |
|
if (change) |
150 |
|
newview(&nv); |
151 |
|
} |
152 |
|
|
153 |
|
|
154 |
< |
lastview(s) /* return to a previous view */ |
155 |
< |
char *s; |
154 |
> |
void |
155 |
> |
lastview( /* return to a previous view */ |
156 |
> |
char *s |
157 |
> |
) |
158 |
|
{ |
159 |
|
char buf[128]; |
160 |
|
char *fname; |
161 |
|
int success; |
162 |
|
VIEW nv; |
163 |
< |
|
164 |
< |
if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
165 |
< |
copystruct(&nv, &stdview); |
166 |
< |
if ((fname = getpath(buf, NULL, 0)) == NULL || |
163 |
> |
/* get parameters from a file */ |
164 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { |
165 |
> |
nv = stdview; |
166 |
> |
if ((fname = getpath(buf, "", R_OK)) == NULL || |
167 |
|
(success = viewfile(fname, &nv, NULL)) == -1) { |
168 |
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
169 |
|
error(COMMAND, errmsg); |
179 |
|
error(COMMAND, "no previous view"); |
180 |
|
return; |
181 |
|
} |
182 |
< |
copystruct(&nv, &ourview); |
183 |
< |
copystruct(&ourview, &oldview); |
184 |
< |
copystruct(&oldview, &nv); |
185 |
< |
newimage(); |
182 |
> |
nv = ourview; |
183 |
> |
ourview = oldview; |
184 |
> |
oldview = nv; |
185 |
> |
newimage(NULL); |
186 |
|
} |
187 |
|
|
188 |
|
|
189 |
< |
getaim(s) /* aim camera */ |
190 |
< |
char *s; |
189 |
> |
void |
190 |
> |
saveview( /* save view to rad file */ |
191 |
> |
char *s |
192 |
> |
) |
193 |
|
{ |
194 |
< |
double zfact; |
194 |
> |
char view[64]; |
195 |
> |
char *fname; |
196 |
> |
FILE *fp; |
197 |
> |
|
198 |
> |
if (*atos(view, sizeof(view), s)) { |
199 |
> |
if (isint(view)) { |
200 |
> |
error(COMMAND, "cannot write view by number"); |
201 |
> |
return; |
202 |
> |
} |
203 |
> |
s = sskip(s); |
204 |
> |
} |
205 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
206 |
> |
error(COMMAND, "no previous rad file"); |
207 |
> |
return; |
208 |
> |
} |
209 |
> |
if ((fname = getpath(rifname, NULL, 0)) == NULL || |
210 |
> |
(fp = fopen(fname, "a")) == NULL) { |
211 |
> |
sprintf(errmsg, "cannot open \"%s\"", rifname); |
212 |
> |
error(COMMAND, errmsg); |
213 |
> |
return; |
214 |
> |
} |
215 |
> |
fputs("view= ", fp); |
216 |
> |
fputs(view, fp); |
217 |
> |
fprintview(&ourview, fp); |
218 |
> |
putc('\n', fp); |
219 |
> |
fclose(fp); |
220 |
> |
} |
221 |
> |
|
222 |
> |
|
223 |
> |
void |
224 |
> |
loadview( /* load view from rad file */ |
225 |
> |
char *s |
226 |
> |
) |
227 |
> |
{ |
228 |
> |
char buf[512]; |
229 |
> |
char *fname; |
230 |
> |
FILE *fp; |
231 |
|
VIEW nv; |
232 |
|
|
233 |
+ |
strcpy(buf, "rad -n -s -V -v "); |
234 |
+ |
if (sscanf(s, "%s", buf+strlen(buf)) == 1) |
235 |
+ |
s = sskip(s); |
236 |
+ |
else |
237 |
+ |
strcat(buf, "1"); |
238 |
+ |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
239 |
+ |
error(COMMAND, "no previous rad file"); |
240 |
+ |
return; |
241 |
+ |
} |
242 |
+ |
if ((fname = getpath(rifname, "", R_OK)) == NULL) { |
243 |
+ |
sprintf(errmsg, "cannot access \"%s\"", rifname); |
244 |
+ |
error(COMMAND, errmsg); |
245 |
+ |
return; |
246 |
+ |
} |
247 |
+ |
sprintf(buf+strlen(buf), " %s", fname); |
248 |
+ |
if ((fp = popen(buf, "r")) == NULL) { |
249 |
+ |
error(COMMAND, "cannot run rad"); |
250 |
+ |
return; |
251 |
+ |
} |
252 |
+ |
buf[0] = '\0'; |
253 |
+ |
fgets(buf, sizeof(buf), fp); |
254 |
+ |
pclose(fp); |
255 |
+ |
nv = stdview; |
256 |
+ |
if (!sscanview(&nv, buf)) { |
257 |
+ |
error(COMMAND, "rad error -- no such view?"); |
258 |
+ |
return; |
259 |
+ |
} |
260 |
+ |
newview(&nv); |
261 |
+ |
} |
262 |
+ |
|
263 |
+ |
|
264 |
+ |
void |
265 |
+ |
getaim( /* aim camera */ |
266 |
+ |
char *s |
267 |
+ |
) |
268 |
+ |
{ |
269 |
+ |
VIEW nv = ourview; |
270 |
+ |
double zfact; |
271 |
+ |
|
272 |
|
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
273 |
|
return; |
194 |
– |
nv.type = ourview.type; |
195 |
– |
VCOPY(nv.vp, ourview.vp); |
196 |
– |
VCOPY(nv.vup, ourview.vup); |
197 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
198 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
274 |
|
zoomview(&nv, zfact); |
275 |
|
newview(&nv); |
276 |
|
} |
277 |
|
|
278 |
|
|
279 |
< |
getmove(s) /* move camera */ |
280 |
< |
char *s; |
279 |
> |
void |
280 |
> |
getfocus( /* set focus distance */ |
281 |
> |
char *s |
282 |
> |
) |
283 |
|
{ |
284 |
+ |
char buf[64]; |
285 |
+ |
double dist; |
286 |
+ |
|
287 |
+ |
if (sscanf(s, "%lf", &dist) < 1) { |
288 |
+ |
int x, y; |
289 |
+ |
RAY thisray; |
290 |
+ |
if (dev->getcur == NULL) |
291 |
+ |
return; |
292 |
+ |
(*dev->comout)("Pick focus point\n"); |
293 |
+ |
if ((*dev->getcur)(&x, &y) == ABORT) |
294 |
+ |
return; |
295 |
+ |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
296 |
+ |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
297 |
+ |
error(COMMAND, "not on image"); |
298 |
+ |
return; |
299 |
+ |
} |
300 |
+ |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
301 |
+ |
if (!localhit(&thisray, &thescene)) { |
302 |
+ |
error(COMMAND, "not a local object"); |
303 |
+ |
return; |
304 |
+ |
} |
305 |
+ |
dist = thisray.rot; |
306 |
+ |
} else if (dist <= .0) { |
307 |
+ |
error(COMMAND, "focus distance must be positive"); |
308 |
+ |
return; |
309 |
+ |
} |
310 |
+ |
ourview.vdist = dist; |
311 |
+ |
sprintf(buf, "Focus distance set to %f\n", dist); |
312 |
+ |
(*dev->comout)(buf); |
313 |
+ |
} |
314 |
+ |
|
315 |
+ |
|
316 |
+ |
void |
317 |
+ |
getmove( /* move camera */ |
318 |
+ |
char *s |
319 |
+ |
) |
320 |
+ |
{ |
321 |
|
FVECT vc; |
322 |
|
double mag; |
323 |
|
|
327 |
|
} |
328 |
|
|
329 |
|
|
330 |
< |
getrotate(s) /* rotate camera */ |
331 |
< |
char *s; |
330 |
> |
void |
331 |
> |
getrotate( /* rotate camera */ |
332 |
> |
char *s |
333 |
> |
) |
334 |
|
{ |
335 |
< |
VIEW nv; |
220 |
< |
FVECT v1; |
335 |
> |
VIEW nv = ourview; |
336 |
|
double angle, elev, zfact; |
337 |
|
|
338 |
|
elev = 0.0; zfact = 1.0; |
340 |
|
error(COMMAND, "missing angle"); |
341 |
|
return; |
342 |
|
} |
228 |
– |
nv.type = ourview.type; |
229 |
– |
VCOPY(nv.vp, ourview.vp); |
230 |
– |
VCOPY(nv.vup, ourview.vup); |
231 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
343 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
344 |
< |
if (elev != 0.0) { |
345 |
< |
fcross(v1, nv.vdir, ourview.vup); |
346 |
< |
normalize(v1); |
236 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
237 |
< |
} |
238 |
< |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
344 |
> |
if (elev != 0.0) |
345 |
> |
geodesic(nv.vdir, nv.vdir, nv.vup, elev*(PI/180.), GEOD_RAD); |
346 |
> |
|
347 |
|
zoomview(&nv, zfact); |
348 |
|
newview(&nv); |
349 |
|
} |
350 |
|
|
351 |
|
|
352 |
< |
getpivot(s) /* pivot viewpoint */ |
353 |
< |
register char *s; |
352 |
> |
void |
353 |
> |
getpivot( /* pivot viewpoint */ |
354 |
> |
char *s |
355 |
> |
) |
356 |
|
{ |
357 |
|
FVECT vc; |
358 |
|
double angle, elev, mag; |
362 |
|
error(COMMAND, "missing angle"); |
363 |
|
return; |
364 |
|
} |
365 |
< |
if (getinterest(sskip(sskip(s)), 0, vc, &mag) < 0) |
365 |
> |
if (getinterest(sskip2(s,2), 0, vc, &mag) < 0) |
366 |
|
return; |
367 |
|
moveview(angle, elev, mag, vc); |
368 |
|
} |
369 |
|
|
370 |
|
|
371 |
< |
getexposure(s) /* get new exposure */ |
372 |
< |
char *s; |
371 |
> |
void |
372 |
> |
getorigin( /* origin viewpoint */ |
373 |
> |
char *s |
374 |
> |
) |
375 |
|
{ |
376 |
+ |
VIEW nv = ourview; |
377 |
+ |
double d; |
378 |
+ |
/* get new view origin */ |
379 |
+ |
if (sscanf(s, "%lf %lf", &d, &d) == 1) { |
380 |
+ |
/* just moving some distance */ |
381 |
+ |
VSUM(nv.vp, nv.vp, nv.vdir, d); |
382 |
+ |
} else if (!sscanvec(s, nv.vp)) { |
383 |
+ |
int x, y; /* need to pick origin */ |
384 |
+ |
RAY thisray; |
385 |
+ |
if (dev->getcur == NULL) |
386 |
+ |
return; |
387 |
+ |
(*dev->comout)("Pick point on surface for new origin\n"); |
388 |
+ |
if ((*dev->getcur)(&x, &y) == ABORT) |
389 |
+ |
return; |
390 |
+ |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
391 |
+ |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
392 |
+ |
error(COMMAND, "not on image"); |
393 |
+ |
return; |
394 |
+ |
} |
395 |
+ |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
396 |
+ |
if (!localhit(&thisray, &thescene)) { |
397 |
+ |
error(COMMAND, "not a local object"); |
398 |
+ |
return; |
399 |
+ |
} |
400 |
+ |
if (thisray.rod < 0.0) /* don't look through other side */ |
401 |
+ |
flipsurface(&thisray); |
402 |
+ |
VSUM(nv.vp, thisray.rop, thisray.ron, 20.0*FTINY); |
403 |
+ |
VCOPY(nv.vdir, thisray.ron); |
404 |
+ |
} else if (!sscanvec(sskip2(s,3), nv.vdir) || normalize(nv.vdir) == 0.0) |
405 |
+ |
VCOPY(nv.vdir, ourview.vdir); |
406 |
+ |
|
407 |
+ |
d = DOT(nv.vdir, nv.vup); /* need different up vector? */ |
408 |
+ |
if (d*d >= 1.-2.*FTINY) { |
409 |
+ |
int i; |
410 |
+ |
nv.vup[0] = nv.vup[1] = nv.vup[2] = 0.0; |
411 |
+ |
for (i = 3; i--; ) |
412 |
+ |
if (nv.vdir[i]*nv.vdir[i] < 0.34) |
413 |
+ |
break; |
414 |
+ |
nv.vup[i] = 1.; |
415 |
+ |
} |
416 |
+ |
newview(&nv); |
417 |
+ |
} |
418 |
+ |
|
419 |
+ |
|
420 |
+ |
void |
421 |
+ |
getexposure( /* get new exposure */ |
422 |
+ |
char *s |
423 |
+ |
) |
424 |
+ |
{ |
425 |
|
char buf[128]; |
426 |
< |
register char *cp; |
266 |
< |
register PNODE *p; |
267 |
< |
RECT r; |
426 |
> |
char *cp; |
427 |
|
int x, y; |
428 |
< |
double e; |
428 |
> |
PNODE *p = &ptrunk; |
429 |
> |
int adapt = 0; |
430 |
> |
double e = 1.0; |
431 |
|
|
432 |
|
for (cp = s; isspace(*cp); cp++) |
433 |
|
; |
434 |
+ |
if (*cp == '@') { |
435 |
+ |
adapt++; |
436 |
+ |
while (isspace(*++cp)) |
437 |
+ |
; |
438 |
+ |
} |
439 |
|
if (*cp == '\0') { /* normalize to point */ |
440 |
|
if (dev->getcur == NULL) |
441 |
|
return; |
442 |
|
(*dev->comout)("Pick point for exposure\n"); |
443 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
444 |
|
return; |
445 |
< |
r.l = r.d = 0; |
280 |
< |
r.r = hresolu; r.u = vresolu; |
281 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
282 |
< |
e = 1.0; |
445 |
> |
p = findrect(x, y, &ptrunk, -1); |
446 |
|
} else { |
447 |
|
if (*cp == '=') { /* absolute setting */ |
448 |
|
p = NULL; |
458 |
|
if (*cp == '\0') |
459 |
|
return; |
460 |
|
} |
298 |
– |
} else { /* normalize to average */ |
299 |
– |
p = &ptrunk; |
300 |
– |
e = 1.0; |
461 |
|
} |
462 |
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
463 |
|
e *= pow(2.0, atof(cp)); |
465 |
|
e *= atof(cp); |
466 |
|
} |
467 |
|
if (p != NULL) { /* relative setting */ |
468 |
+ |
compavg(p); |
469 |
|
if (bright(p->v) < 1e-15) { |
470 |
|
error(COMMAND, "cannot normalize to zero"); |
471 |
|
return; |
472 |
|
} |
473 |
< |
e *= 0.5 / bright(p->v); |
473 |
> |
if (adapt) |
474 |
> |
e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
475 |
> |
else |
476 |
> |
e *= 0.5 / bright(p->v); |
477 |
|
} |
478 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
479 |
|
return; |
482 |
|
redraw(); |
483 |
|
} |
484 |
|
|
485 |
+ |
typedef union {int i; double d; COLOR C;} *MyUptr; |
486 |
+ |
#define FEQ(x,y) (fabs((x)-(y)) <= FTINY) |
487 |
|
|
488 |
< |
getparam(str, dsc, typ, ptr) /* get variable from user */ |
489 |
< |
char *str, *dsc; |
490 |
< |
int typ; |
491 |
< |
register union {int i; double d; COLOR C;} *ptr; |
488 |
> |
int |
489 |
> |
getparam( /* get variable from user */ |
490 |
> |
char *str, |
491 |
> |
char *dsc, |
492 |
> |
int typ, |
493 |
> |
void *p |
494 |
> |
) |
495 |
|
{ |
496 |
< |
extern char *index(); |
496 |
> |
MyUptr ptr = (MyUptr)p; |
497 |
|
int i0; |
498 |
|
double d0, d1, d2; |
499 |
|
char buf[48]; |
508 |
|
if (sscanf(buf, "%d", &i0) != 1) |
509 |
|
return(0); |
510 |
|
} |
511 |
+ |
if (ptr->i == i0) |
512 |
+ |
return(0); |
513 |
|
ptr->i = i0; |
514 |
< |
return(1); |
514 |
> |
break; |
515 |
|
case 'r': /* real */ |
516 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
517 |
|
(*dev->comout)(dsc); |
521 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
522 |
|
return(0); |
523 |
|
} |
524 |
+ |
if (FEQ(ptr->d, d0)) |
525 |
+ |
return(0); |
526 |
|
ptr->d = d0; |
527 |
< |
return(1); |
527 |
> |
break; |
528 |
|
case 'b': /* boolean */ |
529 |
|
if (sscanf(str, "%1s", buf) != 1) { |
530 |
|
(*dev->comout)(dsc); |
531 |
|
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
532 |
|
(*dev->comout)(buf); |
533 |
|
(*dev->comin)(buf, NULL); |
534 |
< |
if (buf[0] == '\0' || |
362 |
< |
index("yY+1tTnN-0fF", buf[0]) == NULL) |
534 |
> |
if (buf[0] == '\0') |
535 |
|
return(0); |
536 |
|
} |
537 |
< |
ptr->i = index("yY+1tT", buf[0]) != NULL; |
538 |
< |
return(1); |
537 |
> |
if (strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
538 |
> |
return(0); |
539 |
> |
i0 = strchr("yY+1tT", buf[0]) != NULL; |
540 |
> |
if (ptr->i == i0) |
541 |
> |
return(0); |
542 |
> |
ptr->i = i0; |
543 |
> |
break; |
544 |
|
case 'C': /* color */ |
545 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
546 |
|
(*dev->comout)(dsc); |
553 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
554 |
|
return(0); |
555 |
|
} |
556 |
+ |
if (FEQ(colval(ptr->C,RED), d0) && |
557 |
+ |
FEQ(colval(ptr->C,GRN), d1) && |
558 |
+ |
FEQ(colval(ptr->C,BLU), d2)) |
559 |
+ |
return(0); |
560 |
|
setcolor(ptr->C, d0, d1, d2); |
561 |
< |
return(1); |
561 |
> |
break; |
562 |
> |
default: |
563 |
> |
return(0); /* shouldn't happen */ |
564 |
|
} |
565 |
+ |
newparam++; |
566 |
+ |
return(1); |
567 |
|
} |
568 |
|
|
569 |
|
|
570 |
< |
setparam(s) /* get/set program parameter */ |
571 |
< |
register char *s; |
570 |
> |
void |
571 |
> |
setparam( /* get/set program parameter */ |
572 |
> |
char *s |
573 |
> |
) |
574 |
|
{ |
575 |
< |
extern int psample; |
389 |
< |
extern double maxdiff; |
390 |
< |
extern double minweight; |
391 |
< |
extern int maxdepth; |
392 |
< |
extern double dstrsrc; |
393 |
< |
extern double shadthresh; |
394 |
< |
extern double shadcert; |
395 |
< |
extern COLOR ambval; |
396 |
< |
extern double ambacc; |
397 |
< |
extern int ambres; |
398 |
< |
extern int ambdiv; |
399 |
< |
extern int ambssamp; |
400 |
< |
extern int ambounce; |
401 |
< |
extern int directvis; |
402 |
< |
extern double srcsizerat; |
403 |
< |
extern int do_irrad; |
404 |
< |
extern double specjitter; |
405 |
< |
extern double specthresh; |
575 |
> |
int prev_newp = newparam; |
576 |
|
char buf[128]; |
577 |
|
|
578 |
|
if (s[0] == '\0') { |
579 |
|
(*dev->comout)( |
580 |
< |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
580 |
> |
"aa ab ad ar as av aw b bv dc dv dj ds dt i lr lw me ma mg ms ps pt ss st u: "); |
581 |
|
(*dev->comin)(buf, NULL); |
582 |
|
s = buf; |
583 |
|
} |
584 |
|
switch (s[0]) { |
585 |
+ |
case 'u': /* uncorrelated sampling */ |
586 |
+ |
getparam(s+1, "uncorrelated sampling", 'b', |
587 |
+ |
(void *)&rand_samp); |
588 |
+ |
break; |
589 |
|
case 'l': /* limit */ |
590 |
|
switch (s[1]) { |
591 |
|
case 'w': /* weight */ |
592 |
< |
getparam(s+2, "limit weight", 'r', &minweight); |
592 |
> |
getparam(s+2, "limit weight", 'r', |
593 |
> |
(void *)&minweight); |
594 |
|
break; |
595 |
|
case 'r': /* reflection */ |
596 |
< |
getparam(s+2, "limit reflection", 'i', &maxdepth); |
596 |
> |
getparam(s+2, "limit reflection", 'i', |
597 |
> |
(void *)&maxdepth); |
598 |
|
break; |
599 |
|
default: |
600 |
|
goto badparam; |
603 |
|
case 'd': /* direct */ |
604 |
|
switch (s[1]) { |
605 |
|
case 'j': /* jitter */ |
606 |
< |
getparam(s+2, "direct jitter", 'r', &dstrsrc); |
606 |
> |
getparam(s+2, "direct jitter", 'r', |
607 |
> |
(void *)&dstrsrc); |
608 |
|
break; |
609 |
|
case 'c': /* certainty */ |
610 |
< |
getparam(s+2, "direct certainty", 'r', &shadcert); |
610 |
> |
getparam(s+2, "direct certainty", 'r', |
611 |
> |
(void *)&shadcert); |
612 |
|
break; |
613 |
|
case 't': /* threshold */ |
614 |
< |
getparam(s+2, "direct threshold", 'r', &shadthresh); |
614 |
> |
getparam(s+2, "direct threshold", 'r', |
615 |
> |
(void *)&shadthresh); |
616 |
|
break; |
617 |
|
case 'v': /* visibility */ |
618 |
< |
getparam(s+2, "direct visibility", |
619 |
< |
'b', &directvis); |
618 |
> |
getparam(s+2, "direct visibility", 'b', |
619 |
> |
(void *)&directvis); |
620 |
|
break; |
621 |
|
case 's': /* sampling */ |
622 |
< |
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
622 |
> |
getparam(s+2, "direct sampling", 'r', |
623 |
> |
(void *)&srcsizerat); |
624 |
|
break; |
625 |
|
default: |
626 |
|
goto badparam; |
627 |
|
} |
628 |
|
break; |
629 |
< |
case 'b': /* black and white */ |
630 |
< |
getparam(s+1, "black and white", 'b', &greyscale); |
629 |
> |
case 'b': /* back faces or black and white */ |
630 |
> |
switch (s[1]) { |
631 |
> |
case 'v': /* back face visibility */ |
632 |
> |
getparam(s+2, "back face visibility", 'b', |
633 |
> |
(void *)&backvis); |
634 |
> |
break; |
635 |
> |
case '\0': /* black and white */ |
636 |
> |
case ' ': |
637 |
> |
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
638 |
> |
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
639 |
> |
getparam(s+1, "black and white", 'b', |
640 |
> |
(void *)&greyscale); |
641 |
> |
newparam = prev_newp; |
642 |
> |
break; |
643 |
> |
default: |
644 |
> |
goto badparam; |
645 |
> |
} |
646 |
|
break; |
647 |
|
case 'i': /* irradiance */ |
648 |
< |
getparam(s+1, "irradiance", 'b', &do_irrad); |
648 |
> |
getparam(s+1, "irradiance", 'b', |
649 |
> |
(void *)&do_irrad); |
650 |
|
break; |
651 |
|
case 'a': /* ambient */ |
652 |
|
switch (s[1]) { |
653 |
|
case 'v': /* value */ |
654 |
< |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
654 |
> |
getparam(s+2, "ambient value", 'C', |
655 |
> |
(void *)ambval); |
656 |
|
break; |
657 |
+ |
case 'w': /* weight */ |
658 |
+ |
getparam(s+2, "ambient value weight", 'i', |
659 |
+ |
(void *)&ambvwt); |
660 |
+ |
break; |
661 |
|
case 'a': /* accuracy */ |
662 |
< |
getparam(s+2, "ambient accuracy", 'r', &ambacc); |
662 |
> |
if (getparam(s+2, "ambient accuracy", 'r', |
663 |
> |
(void *)&ambacc)) |
664 |
> |
setambacc(ambacc); |
665 |
|
break; |
666 |
|
case 'd': /* divisions */ |
667 |
< |
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
667 |
> |
getparam(s+2, "ambient divisions", 'i', |
668 |
> |
(void *)&ambdiv); |
669 |
|
break; |
670 |
|
case 's': /* samples */ |
671 |
< |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
671 |
> |
getparam(s+2, "ambient super-samples", 'i', |
672 |
> |
(void *)&ambssamp); |
673 |
|
break; |
674 |
|
case 'b': /* bounces */ |
675 |
< |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
675 |
> |
getparam(s+2, "ambient bounces", 'i', |
676 |
> |
(void *)&ambounce); |
677 |
|
break; |
678 |
|
case 'r': |
679 |
< |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
679 |
> |
if (getparam(s+2, "ambient resolution", 'i', |
680 |
> |
(void *)&ambres)) |
681 |
|
setambres(ambres); |
682 |
|
break; |
683 |
|
default: |
684 |
|
goto badparam; |
685 |
|
} |
686 |
|
break; |
687 |
+ |
case 'm': /* medium */ |
688 |
+ |
switch (s[1]) { |
689 |
+ |
case 'e': /* extinction coefficient */ |
690 |
+ |
getparam(s+2, "extinction coefficient", 'C', |
691 |
+ |
(void *)cextinction); |
692 |
+ |
break; |
693 |
+ |
case 'a': /* scattering albedo */ |
694 |
+ |
getparam(s+2, "scattering albedo", 'C', |
695 |
+ |
(void *)salbedo); |
696 |
+ |
break; |
697 |
+ |
case 'g': /* scattering eccentricity */ |
698 |
+ |
getparam(s+2, "scattering eccentricity", 'r', |
699 |
+ |
(void *)&seccg); |
700 |
+ |
break; |
701 |
+ |
case 's': /* sampling distance */ |
702 |
+ |
getparam(s+2, "mist sampling distance", 'r', |
703 |
+ |
(void *)&ssampdist); |
704 |
+ |
break; |
705 |
+ |
default: |
706 |
+ |
goto badparam; |
707 |
+ |
} |
708 |
+ |
break; |
709 |
|
case 'p': /* pixel */ |
710 |
|
switch (s[1]) { |
711 |
|
case 's': /* sample */ |
712 |
< |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
712 |
> |
if (getparam(s+2, "pixel sample", 'i', |
713 |
> |
(void *)&psample)) |
714 |
|
pdepth = 0; |
715 |
|
break; |
716 |
|
case 't': /* threshold */ |
717 |
< |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
717 |
> |
if (getparam(s+2, "pixel threshold", 'r', |
718 |
> |
(void *)&maxdiff)) |
719 |
|
pdepth = 0; |
720 |
|
break; |
721 |
|
default: |
722 |
|
goto badparam; |
723 |
|
} |
724 |
+ |
newparam = prev_newp; |
725 |
|
break; |
726 |
|
case 's': /* specular */ |
727 |
|
switch (s[1]) { |
728 |
< |
case 'j': /* jitter */ |
729 |
< |
getparam(s+2, "specular jitter", 'r', &specjitter); |
728 |
> |
case 's': /* sampling */ |
729 |
> |
getparam(s+2, "specular sampling", 'r', |
730 |
> |
(void *)&specjitter); |
731 |
|
break; |
732 |
|
case 't': /* threshold */ |
733 |
< |
getparam(s+2, "specular threshold", 'r', &specthresh); |
733 |
> |
getparam(s+2, "specular threshold", 'r', |
734 |
> |
(void *)&specthresh); |
735 |
|
break; |
736 |
|
default: |
737 |
|
goto badparam; |
749 |
|
} |
750 |
|
|
751 |
|
|
752 |
< |
traceray(s) /* trace a single ray */ |
753 |
< |
char *s; |
752 |
> |
void |
753 |
> |
traceray( /* trace a single ray */ |
754 |
> |
char *s |
755 |
> |
) |
756 |
|
{ |
757 |
< |
char buf[128]; |
758 |
< |
int x, y; |
523 |
< |
RAY thisray; |
757 |
> |
RAY thisray; |
758 |
> |
char buf[512]; |
759 |
|
|
760 |
+ |
thisray.rmax = 0.0; |
761 |
+ |
|
762 |
|
if (!sscanvec(s, thisray.rorg) || |
763 |
< |
!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
763 |
> |
!sscanvec(sskip2(s,3), thisray.rdir)) { |
764 |
> |
int x, y; |
765 |
|
|
766 |
|
if (dev->getcur == NULL) |
767 |
|
return; |
769 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
770 |
|
return; |
771 |
|
|
772 |
< |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
773 |
< |
(x+.5)/hresolu, (y+.5)/vresolu) < 0) { |
772 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
773 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
774 |
|
error(COMMAND, "not on image"); |
775 |
|
return; |
776 |
|
} |
780 |
|
return; |
781 |
|
} |
782 |
|
|
783 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
546 |
< |
|
547 |
< |
rayvalue(&thisray); |
783 |
> |
ray_trace(&thisray); |
784 |
|
|
785 |
|
if (thisray.ro == NULL) |
786 |
|
(*dev->comout)("ray hit nothing"); |
787 |
|
else { |
788 |
< |
sprintf(buf, "ray hit %s %s \"%s\"", |
789 |
< |
objptr(thisray.ro->omod)->oname, |
788 |
> |
OBJREC *mat = NULL; |
789 |
> |
OBJREC *mod = NULL; |
790 |
> |
char matspec[256]; |
791 |
> |
OBJREC *ino; |
792 |
> |
|
793 |
> |
matspec[0] = '\0'; |
794 |
> |
if (thisray.ro->omod != OVOID) { |
795 |
> |
mod = objptr(thisray.ro->omod); |
796 |
> |
mat = findmaterial(mod); |
797 |
> |
} |
798 |
> |
if (thisray.rod < 0.0) |
799 |
> |
strcpy(matspec, "back of "); |
800 |
> |
if (mod != NULL) { |
801 |
> |
strcat(matspec, mod->oname); |
802 |
> |
if (mat != mod && mat != NULL) |
803 |
> |
sprintf(matspec+strlen(matspec), |
804 |
> |
" (%s)", mat->oname); |
805 |
> |
} else |
806 |
> |
strcat(matspec, VOIDID); |
807 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
808 |
|
ofun[thisray.ro->otype].funame, |
809 |
|
thisray.ro->oname); |
810 |
+ |
if ((ino = objptr(thisray.robj)) != thisray.ro) |
811 |
+ |
sprintf(buf+strlen(buf), " in %s \"%s\"", |
812 |
+ |
ofun[ino->otype].funame, ino->oname); |
813 |
|
(*dev->comout)(buf); |
814 |
|
(*dev->comin)(buf, NULL); |
815 |
|
if (thisray.rot >= FHUGE) |
816 |
|
(*dev->comout)("at infinity"); |
817 |
|
else { |
818 |
< |
sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], |
819 |
< |
thisray.rop[1], thisray.rop[2]); |
818 |
> |
sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
819 |
> |
thisray.rop[0], thisray.rop[1], |
820 |
> |
thisray.rop[2], raydistance(&thisray)); |
821 |
|
(*dev->comout)(buf); |
822 |
|
} |
823 |
|
(*dev->comin)(buf, NULL); |
824 |
< |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
824 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
825 |
|
colval(thisray.rcol,RED), |
826 |
|
colval(thisray.rcol,GRN), |
827 |
|
colval(thisray.rcol,BLU), |
832 |
|
} |
833 |
|
|
834 |
|
|
835 |
< |
writepict(s) /* write the picture to a file */ |
836 |
< |
char *s; |
835 |
> |
void |
836 |
> |
writepict( /* write the picture to a file */ |
837 |
> |
char *s |
838 |
> |
) |
839 |
|
{ |
840 |
|
static char buf[128]; |
841 |
|
char *fname; |
842 |
|
FILE *fp; |
843 |
|
COLR *scanline; |
844 |
|
int y; |
845 |
< |
|
846 |
< |
if (sscanf(s, "%s", buf) != 1 && buf[0] == '\0') { |
845 |
> |
/* XXX relies on words.c 2.11 behavior */ |
846 |
> |
if (nextword(buf, sizeof(buf), s) == NULL && !buf[0]) { |
847 |
|
error(COMMAND, "no file"); |
848 |
|
return; |
849 |
|
} |
853 |
|
error(COMMAND, errmsg); |
854 |
|
return; |
855 |
|
} |
856 |
< |
#ifdef MSDOS |
597 |
< |
setmode(fileno(fp), O_BINARY); |
598 |
< |
#endif |
856 |
> |
SET_FILE_BINARY(fp); |
857 |
|
(*dev->comout)("writing \""); |
858 |
|
(*dev->comout)(fname); |
859 |
|
(*dev->comout)("\"...\n"); |
860 |
|
/* write header */ |
861 |
+ |
newheader("RADIANCE", fp); |
862 |
|
fputs(progname, fp); |
863 |
|
fprintview(&ourview, fp); |
864 |
|
if (octname != NULL) |
866 |
|
else |
867 |
|
putc('\n', fp); |
868 |
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
869 |
+ |
fputnow(fp); |
870 |
|
if (exposure != 1.0) |
871 |
|
fputexpos(exposure, fp); |
872 |
|
if (dev->pixaspect != 1.0) |
887 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
888 |
|
break; |
889 |
|
} |
890 |
< |
free((char *)scanline); |
890 |
> |
free((void *)scanline); |
891 |
|
if (fclose(fp) < 0) |
892 |
|
error(COMMAND, "write error"); |
893 |
|
} |