9 |
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*/ |
10 |
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11 |
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#include "rholo.h" |
12 |
+ |
#include "paths.h" |
13 |
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#include "random.h" |
14 |
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|
15 |
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|
18 |
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register PACKET *p; |
19 |
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{ |
20 |
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static FVECT ro, rd; |
21 |
< |
BCOORD gc; |
22 |
< |
double d; |
21 |
> |
GCOORD gc[2]; |
22 |
> |
int ila[2], hsh; |
23 |
> |
double d, sl[4]; |
24 |
|
register int i; |
25 |
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|
26 |
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if (!hdbcoord(gc, hdlist[p->hd], p->bi)) |
27 |
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error(CONSISTENCY, "bad beam index in packrays"); |
28 |
+ |
ila[0] = p->hd; ila[1] = p->bi; |
29 |
+ |
hsh = ilhash(ila,2) + p->nc; |
30 |
|
for (i = 0; i < p->nr; i++) { |
31 |
< |
*(long *)p->ra[i].r = random()<<16 ^ random(); |
31 |
> |
multisamp(sl, 4, urand(hsh+i)); |
32 |
> |
p->ra[i].r[0][0] = sl[0] * 256.; |
33 |
> |
p->ra[i].r[0][1] = sl[1] * 256.; |
34 |
> |
p->ra[i].r[1][0] = sl[2] * 256.; |
35 |
> |
p->ra[i].r[1][1] = sl[3] * 256.; |
36 |
|
d = hdray(ro, rd, hdlist[p->hd], gc, p->ra[i].r); |
37 |
+ |
if (!vdef(OBSTRUCTIONS)) |
38 |
+ |
d *= frandom(); /* random offset */ |
39 |
|
if (p->offset != NULL) { |
40 |
< |
VSUM(ro, ro, rd, d); /* exterior only */ |
40 |
> |
VSUM(ro, ro, rd, d); /* advance ray */ |
41 |
|
p->offset[i] = d; |
42 |
|
} |
43 |
|
VCOPY(rod, ro); |
63 |
|
p->ra[i].d = hdcode(hdlist[p->hd], d); |
64 |
|
rvl += 4; |
65 |
|
} |
66 |
+ |
p->nc += p->nr; |
67 |
+ |
} |
68 |
+ |
|
69 |
+ |
|
70 |
+ |
int |
71 |
+ |
done_rtrace() /* clean up and close rtrace calculation */ |
72 |
+ |
{ |
73 |
+ |
int status; |
74 |
+ |
/* already closed? */ |
75 |
+ |
if (!nprocs) |
76 |
+ |
return; |
77 |
+ |
/* flush beam queue */ |
78 |
+ |
done_packets(flush_queue()); |
79 |
+ |
/* sync holodeck */ |
80 |
+ |
hdsync(NULL, 1); |
81 |
+ |
/* close rtrace */ |
82 |
+ |
if ((status = end_rtrace())) |
83 |
+ |
error(WARNING, "bad exit status from rtrace"); |
84 |
+ |
if (vdef(REPORT)) { /* report time */ |
85 |
+ |
eputs("rtrace process closed\n"); |
86 |
+ |
report(0); |
87 |
+ |
} |
88 |
+ |
return(status); /* return status */ |
89 |
+ |
} |
90 |
+ |
|
91 |
+ |
|
92 |
+ |
new_rtrace() /* restart rtrace calculation */ |
93 |
+ |
{ |
94 |
+ |
char combuf[128]; |
95 |
+ |
|
96 |
+ |
if (nprocs > 0) /* already running? */ |
97 |
+ |
return; |
98 |
+ |
starttime = time(NULL); /* reset start time and counts */ |
99 |
+ |
npacksdone = nraysdone = 0L; |
100 |
+ |
if (vdef(TIME)) /* reset end time */ |
101 |
+ |
endtime = starttime + vflt(TIME)*3600. + .5; |
102 |
+ |
if (vdef(RIF)) { /* rerun rad to update octree */ |
103 |
+ |
sprintf(combuf, "rad -v 0 -s -w %s", vval(RIF)); |
104 |
+ |
if (system(combuf)) |
105 |
+ |
error(WARNING, "error running rad"); |
106 |
+ |
} |
107 |
+ |
if (start_rtrace() < 1) /* start rtrace */ |
108 |
+ |
error(WARNING, "cannot restart rtrace"); |
109 |
+ |
else if (vdef(REPORT)) { |
110 |
+ |
eputs("rtrace process restarted\n"); |
111 |
+ |
report(0); |
112 |
+ |
} |
113 |
+ |
} |
114 |
+ |
|
115 |
+ |
|
116 |
+ |
getradfile() /* run rad and get needed variables */ |
117 |
+ |
{ |
118 |
+ |
static short mvar[] = {OCTREE,-1}; |
119 |
+ |
static char tf1[] = TEMPLATE; |
120 |
+ |
char tf2[64]; |
121 |
+ |
char combuf[256]; |
122 |
+ |
char *pippt; |
123 |
+ |
register int i; |
124 |
+ |
register char *cp; |
125 |
+ |
/* check if rad file specified */ |
126 |
+ |
if (!vdef(RIF)) |
127 |
+ |
return(0); |
128 |
+ |
/* create rad command */ |
129 |
+ |
mktemp(tf1); |
130 |
+ |
sprintf(tf2, "%s.rif", tf1); |
131 |
+ |
sprintf(combuf, |
132 |
+ |
"rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH", |
133 |
+ |
vval(RIF), tf1); |
134 |
+ |
cp = combuf; |
135 |
+ |
while (*cp){ |
136 |
+ |
if (*cp == '|') pippt = cp; |
137 |
+ |
cp++; |
138 |
+ |
} /* match unset variables */ |
139 |
+ |
for (i = 0; mvar[i] >= 0; i++) |
140 |
+ |
if (!vdef(mvar[i])) { |
141 |
+ |
*cp++ = '|'; |
142 |
+ |
strcpy(cp, vnam(mvar[i])); |
143 |
+ |
while (*cp) cp++; |
144 |
+ |
pippt = NULL; |
145 |
+ |
} |
146 |
+ |
if (pippt != NULL) |
147 |
+ |
strcpy(pippt, "> /dev/null"); /* nothing to match */ |
148 |
+ |
else |
149 |
+ |
sprintf(cp, ")[ \t]*=' > %s", tf2); |
150 |
+ |
if (system(combuf)) { |
151 |
+ |
unlink(tf2); /* clean up */ |
152 |
+ |
unlink(tf1); |
153 |
+ |
error(WARNING, "error executing rad command"); |
154 |
+ |
return(-1); |
155 |
+ |
} |
156 |
+ |
if (pippt == NULL) { |
157 |
+ |
loadvars(tf2); /* load variables */ |
158 |
+ |
unlink(tf2); |
159 |
+ |
} |
160 |
+ |
rtargc += wordfile(rtargv+rtargc, tf1); /* get rtrace options */ |
161 |
+ |
unlink(tf1); /* clean up */ |
162 |
+ |
return(1); |
163 |
+ |
} |
164 |
+ |
|
165 |
+ |
|
166 |
+ |
report(t) /* report progress so far */ |
167 |
+ |
time_t t; |
168 |
+ |
{ |
169 |
+ |
static time_t seconds2go = 1000000; |
170 |
+ |
|
171 |
+ |
if (t == 0L) |
172 |
+ |
t = time(NULL); |
173 |
+ |
sprintf(errmsg, "%ld packets (%ld rays) done after %.2f hours\n", |
174 |
+ |
npacksdone, nraysdone, (t-starttime)/3600.); |
175 |
+ |
eputs(errmsg); |
176 |
+ |
if (seconds2go == 1000000) |
177 |
+ |
seconds2go = vdef(REPORT) ? (long)(vflt(REPORT)*60. + .5) : 0L; |
178 |
+ |
if (seconds2go) |
179 |
+ |
reporttime = t + seconds2go; |
180 |
|
} |