1 |
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/* Copyright (c) 1993 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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* |
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< |
* 3/24/87 |
7 |
> |
* External symbols declared in rpaint.h |
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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() */ |
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+ |
#include "paths.h" |
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#include "ray.h" |
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#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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|
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#include "resolu.h" |
24 |
> |
extern int psample; /* pixel sample size */ |
25 |
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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) |
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|
33 |
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extern char *atos(); |
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|
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extern char rifname[128]; /* rad input file name */ |
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|
37 |
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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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|
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< |
getframe(s) /* get a new frame */ |
38 |
< |
char *s; |
37 |
> |
void |
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> |
getframe( /* get a new frame */ |
39 |
> |
char *s |
40 |
> |
) |
41 |
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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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|
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< |
getrepaint(s) /* get area and repaint */ |
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char *s; |
48 |
> |
void |
49 |
> |
getrepaint( /* get area and repaint */ |
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> |
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 |
< |
paintrect(&ptrunk, 0, 0, hresolu, vresolu, &box); |
57 |
> |
paintrect(&ptrunk, &box); |
58 |
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} |
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|
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|
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getview(s) /* get/show view parameters */ |
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char *s; |
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void |
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getview( /* get/show/save view parameters */ |
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char *s |
64 |
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) |
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{ |
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FILE *fp; |
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char buf[128]; |
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char *fname; |
69 |
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int change = 0; |
70 |
< |
VIEW nv; |
70 |
> |
VIEW nv = ourview; |
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|
72 |
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while (isspace(*s)) |
73 |
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s++; |
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if (*s == '-') { /* command line parameters */ |
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copystruct(&nv, &ourview); |
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if (sscanview(&nv, s)) |
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newview(&nv); |
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else |
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error(COMMAND, "bad view option(s)"); |
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return; |
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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 */ |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
83 |
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(fp = fopen(fname, "a")) == NULL) { |
84 |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
99 |
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if (buf[0] && buf[0] != ourview.type) { |
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nv.type = buf[0]; |
101 |
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change++; |
102 |
< |
} else |
103 |
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nv.type = ourview.type; |
102 |
> |
} |
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sprintf(buf, "view point (%.6g %.6g %.6g): ", |
104 |
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ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
105 |
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(*dev->comout)(buf); |
107 |
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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++; |
111 |
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else |
112 |
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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 |
121 |
< |
VCOPY(nv.vdir, ourview.vdir); |
120 |
> |
} |
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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); |
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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++; |
129 |
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else |
130 |
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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 |
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sprintf(buf, "view shift and lift (%.6g %.6g): ", |
143 |
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ourview.hoff, ourview.voff); |
144 |
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(*dev->comout)(buf); |
146 |
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if (buf[0] == CTRL('C')) return; |
147 |
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if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
148 |
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change++; |
148 |
– |
else { |
149 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
150 |
– |
} |
149 |
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if (change) |
150 |
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newview(&nv); |
151 |
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} |
152 |
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|
153 |
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|
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 |
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{ |
159 |
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char buf[128]; |
160 |
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char *fname; |
161 |
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int success; |
162 |
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VIEW nv; |
163 |
< |
|
164 |
< |
if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
165 |
< |
copystruct(&nv, &stdview); |
163 |
> |
/* get parameters from a file */ |
164 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { |
165 |
> |
nv = stdview; |
166 |
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if ((fname = getpath(buf, "", R_OK)) == NULL || |
167 |
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(success = viewfile(fname, &nv, NULL)) == -1) { |
168 |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
179 |
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error(COMMAND, "no previous view"); |
180 |
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return; |
181 |
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} |
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 |
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|
188 |
|
|
189 |
< |
saveview(s) /* save view to rad file */ |
190 |
< |
char *s; |
189 |
> |
void |
190 |
> |
saveview( /* save view to rad file */ |
191 |
> |
char *s |
192 |
> |
) |
193 |
|
{ |
194 |
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char view[64]; |
195 |
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char *fname; |
202 |
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} |
203 |
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s = sskip(s); |
204 |
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} |
205 |
< |
while (isspace(*s)) |
204 |
< |
s++; |
205 |
< |
if (*s) |
206 |
< |
atos(rifname, sizeof(rifname), s); |
207 |
< |
else if (rifname[0] == '\0') { |
205 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
206 |
|
error(COMMAND, "no previous rad file"); |
207 |
|
return; |
208 |
|
} |
220 |
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} |
221 |
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|
222 |
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|
223 |
< |
loadview(s) /* load view from rad file */ |
224 |
< |
char *s; |
223 |
> |
void |
224 |
> |
loadview( /* load view from rad file */ |
225 |
> |
char *s |
226 |
> |
) |
227 |
|
{ |
228 |
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char buf[512]; |
229 |
|
char *fname; |
235 |
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s = sskip(s); |
236 |
|
else |
237 |
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strcat(buf, "1"); |
238 |
< |
if (*s) |
239 |
< |
atos(rifname, sizeof(rifname), s); |
240 |
< |
else if (rifname[0] == '\0') { |
238 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
239 |
|
error(COMMAND, "no previous rad file"); |
240 |
|
return; |
241 |
|
} |
252 |
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buf[0] = '\0'; |
253 |
|
fgets(buf, sizeof(buf), fp); |
254 |
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pclose(fp); |
255 |
< |
copystruct(&nv, &stdview); |
255 |
> |
nv = stdview; |
256 |
|
if (!sscanview(&nv, buf)) { |
257 |
|
error(COMMAND, "rad error -- no such view?"); |
258 |
|
return; |
261 |
|
} |
262 |
|
|
263 |
|
|
264 |
< |
getaim(s) /* aim camera */ |
265 |
< |
char *s; |
264 |
> |
void |
265 |
> |
getaim( /* aim camera */ |
266 |
> |
char *s |
267 |
> |
) |
268 |
|
{ |
269 |
+ |
VIEW nv = ourview; |
270 |
|
double zfact; |
270 |
– |
VIEW nv; |
271 |
|
|
272 |
|
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
273 |
|
return; |
274 |
– |
nv.type = ourview.type; |
275 |
– |
VCOPY(nv.vp, ourview.vp); |
276 |
– |
VCOPY(nv.vup, ourview.vup); |
277 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
278 |
– |
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; |
300 |
< |
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 |
|
} |
308 |
– |
nv.type = ourview.type; |
309 |
– |
VCOPY(nv.vp, ourview.vp); |
310 |
– |
VCOPY(nv.vup, ourview.vup); |
311 |
– |
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); |
316 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
317 |
< |
} |
318 |
< |
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; |
346 |
< |
RECT r; |
426 |
> |
char *cp; |
427 |
|
int x, y; |
428 |
< |
register PNODE *p = &ptrunk; |
428 |
> |
PNODE *p = &ptrunk; |
429 |
|
int adapt = 0; |
430 |
|
double e = 1.0; |
431 |
< |
start: |
431 |
> |
|
432 |
|
for (cp = s; isspace(*cp); cp++) |
433 |
|
; |
434 |
|
if (*cp == '@') { |
435 |
|
adapt++; |
436 |
< |
goto start; |
436 |
> |
while (isspace(*++cp)) |
437 |
> |
; |
438 |
|
} |
439 |
|
if (*cp == '\0') { /* normalize to point */ |
440 |
|
if (dev->getcur == NULL) |
442 |
|
(*dev->comout)("Pick point for exposure\n"); |
443 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
444 |
|
return; |
445 |
< |
r.l = r.d = 0; |
365 |
< |
r.r = hresolu; r.u = vresolu; |
366 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
445 |
> |
p = findrect(x, y, &ptrunk, -1); |
446 |
|
} else { |
447 |
|
if (*cp == '=') { /* absolute setting */ |
448 |
|
p = NULL; |
459 |
|
return; |
460 |
|
} |
461 |
|
} |
462 |
< |
if (*cp == '+' || *cp == '-') /* f-stops */ |
462 |
> |
if ((*cp == '+') | (*cp == '-')) /* f-stops */ |
463 |
|
e *= pow(2.0, atof(cp)); |
464 |
|
else /* multiplier */ |
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; |
482 |
|
redraw(); |
483 |
|
} |
484 |
|
|
485 |
+ |
typedef union {int i; double d; COLOR C;} *MyUptr; |
486 |
|
|
487 |
< |
getparam(str, dsc, typ, ptr) /* get variable from user */ |
488 |
< |
char *str, *dsc; |
489 |
< |
int typ; |
490 |
< |
register union {int i; double d; COLOR C;} *ptr; |
487 |
> |
int |
488 |
> |
getparam( /* get variable from user */ |
489 |
> |
char *str, |
490 |
> |
char *dsc, |
491 |
> |
int typ, |
492 |
> |
void *p |
493 |
> |
) |
494 |
|
{ |
495 |
< |
extern char *index(); |
495 |
> |
MyUptr ptr = (MyUptr)p; |
496 |
|
int i0; |
497 |
|
double d0, d1, d2; |
498 |
|
char buf[48]; |
507 |
|
if (sscanf(buf, "%d", &i0) != 1) |
508 |
|
return(0); |
509 |
|
} |
510 |
+ |
if (ptr->i == i0) |
511 |
+ |
return(0); |
512 |
|
ptr->i = i0; |
513 |
< |
return(1); |
513 |
> |
break; |
514 |
|
case 'r': /* real */ |
515 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
516 |
|
(*dev->comout)(dsc); |
520 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
521 |
|
return(0); |
522 |
|
} |
523 |
+ |
if (FRELEQ(ptr->d, d0)) |
524 |
+ |
return(0); |
525 |
|
ptr->d = d0; |
526 |
< |
return(1); |
526 |
> |
break; |
527 |
|
case 'b': /* boolean */ |
528 |
|
if (sscanf(str, "%1s", buf) != 1) { |
529 |
|
(*dev->comout)(dsc); |
530 |
|
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
531 |
|
(*dev->comout)(buf); |
532 |
|
(*dev->comin)(buf, NULL); |
533 |
< |
if (buf[0] == '\0' || |
446 |
< |
index("yY+1tTnN-0fF", buf[0]) == NULL) |
533 |
> |
if (buf[0] == '\0') |
534 |
|
return(0); |
535 |
|
} |
536 |
< |
ptr->i = index("yY+1tT", buf[0]) != NULL; |
537 |
< |
return(1); |
536 |
> |
if (strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
537 |
> |
return(0); |
538 |
> |
i0 = strchr("yY+1tT", buf[0]) != NULL; |
539 |
> |
if (ptr->i == i0) |
540 |
> |
return(0); |
541 |
> |
ptr->i = i0; |
542 |
> |
break; |
543 |
|
case 'C': /* color */ |
544 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
545 |
|
(*dev->comout)(dsc); |
552 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
553 |
|
return(0); |
554 |
|
} |
555 |
+ |
if (FRELEQ(colval(ptr->C,RED), d0) && |
556 |
+ |
FRELEQ(colval(ptr->C,GRN), d1) && |
557 |
+ |
FRELEQ(colval(ptr->C,BLU), d2)) |
558 |
+ |
return(0); |
559 |
|
setcolor(ptr->C, d0, d1, d2); |
560 |
< |
return(1); |
560 |
> |
break; |
561 |
> |
default: |
562 |
> |
return(0); /* shouldn't happen */ |
563 |
|
} |
564 |
+ |
newparam++; |
565 |
+ |
return(1); |
566 |
|
} |
567 |
|
|
568 |
|
|
569 |
< |
setparam(s) /* get/set program parameter */ |
570 |
< |
register char *s; |
569 |
> |
void |
570 |
> |
setparam( /* get/set program parameter */ |
571 |
> |
char *s |
572 |
> |
) |
573 |
|
{ |
574 |
< |
extern int psample; |
473 |
< |
extern double maxdiff; |
474 |
< |
extern double minweight; |
475 |
< |
extern int maxdepth; |
476 |
< |
extern double dstrsrc; |
477 |
< |
extern double shadthresh; |
478 |
< |
extern double shadcert; |
479 |
< |
extern COLOR ambval; |
480 |
< |
extern double ambacc; |
481 |
< |
extern int ambres; |
482 |
< |
extern int ambdiv; |
483 |
< |
extern int ambssamp; |
484 |
< |
extern int ambounce; |
485 |
< |
extern int directvis; |
486 |
< |
extern double srcsizerat; |
487 |
< |
extern int do_irrad; |
488 |
< |
extern double specjitter; |
489 |
< |
extern double specthresh; |
574 |
> |
int prev_newp = newparam; |
575 |
|
char buf[128]; |
576 |
|
|
577 |
|
if (s[0] == '\0') { |
578 |
|
(*dev->comout)( |
579 |
< |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
579 |
> |
"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: "); |
580 |
|
(*dev->comin)(buf, NULL); |
581 |
|
s = buf; |
582 |
|
} |
583 |
|
switch (s[0]) { |
584 |
+ |
case 'u': /* uncorrelated sampling */ |
585 |
+ |
getparam(s+1, "uncorrelated sampling", 'b', |
586 |
+ |
(void *)&rand_samp); |
587 |
+ |
break; |
588 |
|
case 'l': /* limit */ |
589 |
|
switch (s[1]) { |
590 |
|
case 'w': /* weight */ |
609 |
|
getparam(s+2, "direct threshold", 'r', &shadthresh); |
610 |
|
break; |
611 |
|
case 'v': /* visibility */ |
612 |
< |
getparam(s+2, "direct visibility", |
524 |
< |
'b', &directvis); |
612 |
> |
getparam(s+2, "direct visibility", 'b', &directvis); |
613 |
|
break; |
614 |
|
case 's': /* sampling */ |
615 |
|
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
618 |
|
goto badparam; |
619 |
|
} |
620 |
|
break; |
621 |
< |
case 'b': /* black and white */ |
622 |
< |
getparam(s+1, "black and white", 'b', &greyscale); |
621 |
> |
case 'b': /* back faces or black and white */ |
622 |
> |
switch (s[1]) { |
623 |
> |
case 'v': /* back face visibility */ |
624 |
> |
getparam(s+2, "back face visibility", 'b', |
625 |
> |
(void *)&backvis); |
626 |
> |
break; |
627 |
> |
case '\0': /* black and white */ |
628 |
> |
case ' ': |
629 |
> |
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
630 |
> |
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
631 |
> |
getparam(s+1, "black and white", 'b', &greyscale); |
632 |
> |
newparam = prev_newp; |
633 |
> |
break; |
634 |
> |
default: |
635 |
> |
goto badparam; |
636 |
> |
} |
637 |
|
break; |
638 |
|
case 'i': /* irradiance */ |
639 |
|
getparam(s+1, "irradiance", 'b', &do_irrad); |
641 |
|
case 'a': /* ambient */ |
642 |
|
switch (s[1]) { |
643 |
|
case 'v': /* value */ |
644 |
< |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
644 |
> |
getparam(s+2, "ambient value", 'C', ambval); |
645 |
|
break; |
646 |
+ |
case 'w': /* weight */ |
647 |
+ |
getparam(s+2, "ambient value weight", 'i', &ambvwt); |
648 |
+ |
break; |
649 |
|
case 'a': /* accuracy */ |
650 |
|
if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
651 |
|
setambacc(ambacc); |
667 |
|
goto badparam; |
668 |
|
} |
669 |
|
break; |
670 |
+ |
case 'm': /* medium */ |
671 |
+ |
switch (s[1]) { |
672 |
+ |
case 'e': /* extinction coefficient */ |
673 |
+ |
getparam(s+2, "extinction coefficient", 'C', cextinction); |
674 |
+ |
break; |
675 |
+ |
case 'a': /* scattering albedo */ |
676 |
+ |
getparam(s+2, "scattering albedo", 'C', salbedo); |
677 |
+ |
break; |
678 |
+ |
case 'g': /* scattering eccentricity */ |
679 |
+ |
getparam(s+2, "scattering eccentricity", 'r', &seccg); |
680 |
+ |
break; |
681 |
+ |
case 's': /* sampling distance */ |
682 |
+ |
getparam(s+2, "mist sampling distance", 'r', &ssampdist); |
683 |
+ |
break; |
684 |
+ |
default: |
685 |
+ |
goto badparam; |
686 |
+ |
} |
687 |
+ |
break; |
688 |
|
case 'p': /* pixel */ |
689 |
|
switch (s[1]) { |
690 |
|
case 's': /* sample */ |
698 |
|
default: |
699 |
|
goto badparam; |
700 |
|
} |
701 |
+ |
newparam = prev_newp; |
702 |
|
break; |
703 |
|
case 's': /* specular */ |
704 |
|
switch (s[1]) { |
705 |
< |
case 'j': /* jitter */ |
706 |
< |
getparam(s+2, "specular jitter", 'r', &specjitter); |
705 |
> |
case 's': /* sampling */ |
706 |
> |
getparam(s+2, "specular sampling", 'r', &specjitter); |
707 |
|
break; |
708 |
|
case 't': /* threshold */ |
709 |
|
getparam(s+2, "specular threshold", 'r', &specthresh); |
724 |
|
} |
725 |
|
|
726 |
|
|
727 |
< |
traceray(s) /* trace a single ray */ |
728 |
< |
char *s; |
727 |
> |
void |
728 |
> |
traceray( /* trace a single ray */ |
729 |
> |
char *s |
730 |
> |
) |
731 |
|
{ |
732 |
< |
char buf[128]; |
733 |
< |
int x, y; |
734 |
< |
RAY thisray; |
732 |
> |
RAY thisray; |
733 |
> |
char buf[512]; |
734 |
> |
COLOR col; |
735 |
|
|
736 |
+ |
thisray.rmax = 0.0; |
737 |
+ |
|
738 |
|
if (!sscanvec(s, thisray.rorg) || |
739 |
< |
!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
739 |
> |
!sscanvec(sskip2(s,3), thisray.rdir)) { |
740 |
> |
int x, y; |
741 |
|
|
742 |
|
if (dev->getcur == NULL) |
743 |
|
return; |
745 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
746 |
|
return; |
747 |
|
|
748 |
< |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
749 |
< |
(x+.5)/hresolu, (y+.5)/vresolu) < 0) { |
748 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
749 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
750 |
|
error(COMMAND, "not on image"); |
751 |
|
return; |
752 |
|
} |
756 |
|
return; |
757 |
|
} |
758 |
|
|
759 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
631 |
< |
|
632 |
< |
rayvalue(&thisray); |
759 |
> |
ray_trace(&thisray); |
760 |
|
|
761 |
|
if (thisray.ro == NULL) |
762 |
|
(*dev->comout)("ray hit nothing"); |
763 |
|
else { |
764 |
< |
sprintf(buf, "ray hit %s %s \"%s\"", |
765 |
< |
objptr(thisray.ro->omod)->oname, |
764 |
> |
OBJREC *mat = NULL; |
765 |
> |
OBJREC *mod = NULL; |
766 |
> |
char matspec[256]; |
767 |
> |
OBJREC *ino; |
768 |
> |
|
769 |
> |
matspec[0] = '\0'; |
770 |
> |
if (thisray.ro->omod != OVOID) { |
771 |
> |
mod = objptr(thisray.ro->omod); |
772 |
> |
mat = findmaterial(thisray.ro); |
773 |
> |
} |
774 |
> |
if (thisray.rod < 0.0) |
775 |
> |
strcpy(matspec, "back of "); |
776 |
> |
if (mod != NULL) { |
777 |
> |
strcat(matspec, mod->oname); |
778 |
> |
if (mat != mod && mat != NULL) |
779 |
> |
sprintf(matspec+strlen(matspec), |
780 |
> |
" (%s)", mat->oname); |
781 |
> |
} else |
782 |
> |
strcat(matspec, VOIDID); |
783 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
784 |
|
ofun[thisray.ro->otype].funame, |
785 |
|
thisray.ro->oname); |
786 |
+ |
if ((ino = objptr(thisray.robj)) != thisray.ro) |
787 |
+ |
sprintf(buf+strlen(buf), " in %s \"%s\"", |
788 |
+ |
ofun[ino->otype].funame, ino->oname); |
789 |
|
(*dev->comout)(buf); |
790 |
|
(*dev->comin)(buf, NULL); |
791 |
< |
if (thisray.rot >= FHUGE) |
791 |
> |
if (thisray.rot >= FHUGE*.99) |
792 |
|
(*dev->comout)("at infinity"); |
793 |
|
else { |
794 |
< |
sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], |
795 |
< |
thisray.rop[1], thisray.rop[2]); |
794 |
> |
sprintf(buf, "at (%.3f %.3f %.3f) (%.6g)", |
795 |
> |
thisray.rop[0], thisray.rop[1], |
796 |
> |
thisray.rop[2], raydistance(&thisray)); |
797 |
|
(*dev->comout)(buf); |
798 |
|
} |
799 |
|
(*dev->comin)(buf, NULL); |
800 |
< |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
801 |
< |
colval(thisray.rcol,RED), |
802 |
< |
colval(thisray.rcol,GRN), |
803 |
< |
colval(thisray.rcol,BLU), |
804 |
< |
luminance(thisray.rcol)); |
800 |
> |
scolor_rgb(col, thisray.rcol); |
801 |
> |
sprintf(buf, "value (%.4g %.4g %.4g) (%.3gL)", |
802 |
> |
colval(col,RED), |
803 |
> |
colval(col,GRN), |
804 |
> |
colval(col,BLU), |
805 |
> |
luminance(col)); |
806 |
|
(*dev->comout)(buf); |
807 |
|
} |
808 |
|
(*dev->comin)(buf, NULL); |
809 |
|
} |
810 |
|
|
811 |
|
|
812 |
< |
writepict(s) /* write the picture to a file */ |
813 |
< |
char *s; |
812 |
> |
void |
813 |
> |
writepict( /* write the picture to a file */ |
814 |
> |
char *s |
815 |
> |
) |
816 |
|
{ |
817 |
|
static char buf[128]; |
818 |
|
char *fname; |
819 |
|
FILE *fp; |
820 |
|
COLR *scanline; |
821 |
|
int y; |
822 |
< |
|
823 |
< |
while (isspace(*s)) |
672 |
< |
s++; |
673 |
< |
if (*s) |
674 |
< |
atos(buf, sizeof(buf), s); |
675 |
< |
else if (buf[0] == '\0') { |
822 |
> |
/* XXX relies on words.c 2.11 behavior */ |
823 |
> |
if (nextword(buf, sizeof(buf), s) == NULL && !buf[0]) { |
824 |
|
error(COMMAND, "no file"); |
825 |
|
return; |
826 |
|
} |
830 |
|
error(COMMAND, errmsg); |
831 |
|
return; |
832 |
|
} |
833 |
< |
#ifdef MSDOS |
686 |
< |
setmode(fileno(fp), O_BINARY); |
687 |
< |
#endif |
833 |
> |
SET_FILE_BINARY(fp); |
834 |
|
(*dev->comout)("writing \""); |
835 |
|
(*dev->comout)(fname); |
836 |
|
(*dev->comout)("\"...\n"); |
837 |
|
/* write header */ |
838 |
+ |
newheader("RADIANCE", fp); |
839 |
|
fputs(progname, fp); |
840 |
|
fprintview(&ourview, fp); |
841 |
|
if (octname != NULL) |
843 |
|
else |
844 |
|
putc('\n', fp); |
845 |
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
846 |
+ |
fputnow(fp); |
847 |
|
if (exposure != 1.0) |
848 |
|
fputexpos(exposure, fp); |
849 |
|
if (dev->pixaspect != 1.0) |
850 |
|
fputaspect(dev->pixaspect, fp); |
851 |
+ |
fputprims(stdprims, fp); |
852 |
|
fputformat(COLRFMT, fp); |
853 |
|
putc('\n', fp); |
854 |
|
fprtresolu(hresolu, vresolu, fp); |
865 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
866 |
|
break; |
867 |
|
} |
868 |
< |
free((char *)scanline); |
868 |
> |
free((void *)scanline); |
869 |
|
if (fclose(fp) < 0) |
870 |
|
error(COMMAND, "write error"); |
871 |
|
} |