1 |
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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
1 |
> |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
2 |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ SGI"; |
18 |
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#define VIEWHISTLEN 4 /* number of remembered views */ |
19 |
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#endif |
20 |
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|
21 |
+ |
#ifndef FSIZDEF |
22 |
+ |
#define FSIZDEF 0.125 /* default focus frame size */ |
23 |
+ |
#endif |
24 |
+ |
|
25 |
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HOLO *hdlist[HDMAX+1]; /* global holodeck list */ |
26 |
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|
27 |
+ |
char *hdgfn[HDMAX]; /* holodeck section geometry list */ |
28 |
+ |
char *hdpfn[HDMAX]; /* section portal list */ |
29 |
+ |
|
30 |
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char cmdlist[DC_NCMDS][8] = DC_INIT; |
31 |
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|
32 |
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int imm_mode = 0; /* bundles are being delivered immediately */ |
33 |
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|
34 |
+ |
int do_outside = 0; /* render from outside sections */ |
35 |
+ |
|
36 |
+ |
double eyesepdist = 1; /* eye separation distance */ |
37 |
+ |
|
38 |
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char *progname; /* global argv[0] */ |
39 |
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|
40 |
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FILE *sstdin, *sstdout; /* server's standard input and output */ |
41 |
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|
42 |
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#ifdef DEBUG |
43 |
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#include <sys/types.h> |
44 |
+ |
extern time_t time(); |
45 |
+ |
static time_t tmodesw; |
46 |
+ |
static time_t timm, tadd; |
47 |
+ |
static long nimmrays, naddrays; |
48 |
+ |
#endif |
49 |
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|
50 |
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#define RDY_SRV 01 |
51 |
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#define RDY_DEV 02 |
52 |
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#define RDY_SIN 04 |
72 |
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sstdin = fdopen(inp, "r"); |
73 |
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/* set command error vector */ |
74 |
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erract[COMMAND].pf = eputs; |
75 |
+ |
#ifdef DEBUG |
76 |
+ |
tmodesw = time(NULL); |
77 |
+ |
#endif |
78 |
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/* enter main loop */ |
79 |
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do { |
80 |
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rdy = disp_wait(); |
81 |
+ |
if (rdy & RDY_SRV) { /* process server result */ |
82 |
+ |
res = serv_result(); |
83 |
+ |
if (pause && res != DS_SHUTDOWN) { |
84 |
+ |
serv_request(DR_ATTEN, 0, NULL); |
85 |
+ |
while ((res = serv_result()) != DS_ACKNOW && |
86 |
+ |
res != DS_SHUTDOWN) |
87 |
+ |
; |
88 |
+ |
} |
89 |
+ |
} |
90 |
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if (rdy & RDY_DEV) { /* user input from driver */ |
91 |
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inp = dev_input(); |
92 |
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if (inp & DFL(DC_SETVIEW)) |
93 |
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new_view(&odev.v); |
94 |
< |
if (inp & DFL(DC_GETVIEW)) |
64 |
< |
printview(); |
65 |
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if (inp & DFL(DC_LASTVIEW)) |
94 |
> |
else if (inp & DFL(DC_LASTVIEW)) |
95 |
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new_view(NULL); |
67 |
– |
if (inp & DFL(DC_RESUME)) { |
68 |
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serv_request(DR_NOOP, 0, NULL); |
69 |
– |
pause = 0; |
70 |
– |
} |
71 |
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if (inp & DFL(DC_PAUSE)) |
72 |
– |
pause = 1; |
96 |
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if (inp & DFL(DC_REDRAW)) |
97 |
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imm_mode = beam_sync() > 0; |
97 |
> |
imm_mode = beam_sync(1) > 0; |
98 |
> |
if (inp & DFL(DC_GETVIEW)) |
99 |
> |
printview(); |
100 |
> |
if (inp & DFL(DC_FOCUS)) |
101 |
> |
set_focus(odev_args); |
102 |
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if (inp & DFL(DC_KILL)) { |
103 |
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serv_request(DR_KILL, 0, NULL); |
104 |
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pause = 0; |
109 |
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serv_request(DR_RESTART, 0, NULL); |
110 |
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pause = 0; |
111 |
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} |
112 |
+ |
if (inp & DFL(DC_RESUME)) { |
113 |
+ |
serv_request(DR_NOOP, 0, NULL); |
114 |
+ |
pause = 0; |
115 |
+ |
} |
116 |
+ |
if (inp & DFL(DC_PAUSE)) |
117 |
+ |
pause = 1; |
118 |
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if (inp & DFL(DC_QUIT)) |
119 |
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serv_request(DR_SHUTDOWN, 0, NULL); |
120 |
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} |
121 |
< |
if (rdy & RDY_SIN) /* user input from sstdin */ |
121 |
> |
if (rdy & RDY_SIN && !imm_mode) /* user input from sstdin */ |
122 |
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switch (usr_input()) { |
123 |
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case DC_PAUSE: |
124 |
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pause = 1; |
131 |
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pause = 0; |
132 |
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break; |
133 |
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} |
101 |
– |
if (rdy & RDY_SRV) { /* process server result */ |
102 |
– |
res = serv_result(); |
103 |
– |
if (pause && res != DS_SHUTDOWN) { |
104 |
– |
serv_request(DR_ATTEN, 0, NULL); |
105 |
– |
while ((res = serv_result()) != DS_ACKNOW && |
106 |
– |
res != DS_SHUTDOWN) |
107 |
– |
; |
108 |
– |
} |
109 |
– |
} |
134 |
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} while (res != DS_SHUTDOWN); |
135 |
+ |
#ifdef DEBUG |
136 |
+ |
if (timm && nimmrays) |
137 |
+ |
fprintf(stderr, |
138 |
+ |
"%s: %.1f rays recalled/second (%ld rays total)\n", |
139 |
+ |
progname, (double)nimmrays/timm, nimmrays); |
140 |
+ |
if (tadd && naddrays) |
141 |
+ |
fprintf(stderr, |
142 |
+ |
"%s: %.1f rays calculated/second (%ld rays total)\n", |
143 |
+ |
progname, (double)naddrays/tadd, naddrays); |
144 |
+ |
#endif |
145 |
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/* all done */ |
146 |
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quit(0); |
147 |
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} |
155 |
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int n; |
156 |
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register int i; |
157 |
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/* see if we can avoid select call */ |
158 |
+ |
if (hdlist[0] == NULL) |
159 |
+ |
return(RDY_SRV); /* initialize first */ |
160 |
+ |
flgs = 0; /* flag what's ready already */ |
161 |
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if (imm_mode || stdin->_cnt > 0) |
162 |
< |
return(RDY_SRV); |
162 |
> |
flgs |= RDY_SRV; |
163 |
|
if (sstdin != NULL && sstdin->_cnt > 0) |
164 |
< |
return(RDY_SIN); |
165 |
< |
if (dev_flush()) |
164 |
> |
flgs |= RDY_SIN; |
165 |
> |
if (odev.inpready) |
166 |
> |
flgs |= RDY_DEV; |
167 |
> |
if (flgs) /* got something? */ |
168 |
> |
return(flgs); |
169 |
> |
if (dev_flush()) /* else flush output & check keyboard+mouse */ |
170 |
|
return(RDY_DEV); |
171 |
< |
/* make the call */ |
171 |
> |
/* if nothing, we need to call select */ |
172 |
|
FD_ZERO(&readset); FD_ZERO(&errset); |
173 |
|
FD_SET(0, &readset); |
174 |
|
FD_SET(0, &errset); |
177 |
|
n = odev.ifd+1; |
178 |
|
if (sstdin != NULL) { |
179 |
|
FD_SET(fileno(sstdin), &readset); |
180 |
+ |
FD_SET(fileno(sstdin), &errset); |
181 |
|
if (fileno(sstdin) >= n) |
182 |
|
n = fileno(sstdin) + 1; |
183 |
|
} |
187 |
|
return(0); |
188 |
|
error(SYSTEM, "select call failure in disp_wait"); |
189 |
|
} |
148 |
– |
flgs = 0; /* flag what's ready */ |
190 |
|
if (FD_ISSET(0, &readset) || FD_ISSET(0, &errset)) |
191 |
|
flgs |= RDY_SRV; |
192 |
|
if (FD_ISSET(odev.ifd, &readset) || FD_ISSET(odev.ifd, &errset)) |
193 |
|
flgs |= RDY_DEV; |
194 |
< |
if (sstdin != NULL && FD_ISSET(fileno(sstdin), &readset)) |
194 |
> |
if (sstdin != NULL && (FD_ISSET(fileno(sstdin), &readset) || |
195 |
> |
FD_ISSET(fileno(sstdin), &errset))) |
196 |
|
flgs |= RDY_SIN; |
197 |
|
return(flgs); |
198 |
|
} |
199 |
|
|
200 |
|
|
201 |
< |
add_holo(hdg) /* register a new holodeck section */ |
201 |
> |
add_holo(hdg, gfn, pfn) /* register a new holodeck section */ |
202 |
|
HDGRID *hdg; |
203 |
+ |
char *gfn, *pfn; |
204 |
|
{ |
205 |
|
VIEW nv; |
206 |
+ |
double d; |
207 |
|
register int hd; |
208 |
|
|
209 |
|
for (hd = 0; hd < HDMAX && hdlist[hd] != NULL; hd++) |
215 |
|
error(SYSTEM, "out of memory in add_holo"); |
216 |
|
bcopy((char *)hdg, (char *)hdlist[hd], sizeof(HDGRID)); |
217 |
|
hdcompgrid(hdlist[hd]); |
218 |
+ |
hdgfn[hd] = savestr(gfn); |
219 |
+ |
hdpfn[hd] = pfn && *pfn ? savestr(pfn) : (char *)NULL; |
220 |
|
if (hd) |
221 |
|
return; |
222 |
|
/* set initial viewpoint */ |
226 |
|
VSUM(nv.vp, nv.vp, hdlist[0]->xv[2], 0.5); |
227 |
|
fcross(nv.vdir, hdlist[0]->xv[1], hdlist[0]->xv[2]); |
228 |
|
VCOPY(nv.vup, hdlist[0]->xv[2]); |
229 |
+ |
if (do_outside) { |
230 |
+ |
normalize(nv.vdir); |
231 |
+ |
d = VLEN(hdlist[0]->xv[1]); |
232 |
+ |
d += VLEN(hdlist[0]->xv[2]); |
233 |
+ |
VSUM(nv.vp, nv.vp, nv.vdir, -d); |
234 |
+ |
} |
235 |
|
new_view(&nv); |
236 |
|
} |
237 |
|
|
252 |
|
for (i = p->nr; i--; ) { |
253 |
|
hdray(ro, rd, hdlist[p->hd], gc, packra(p)[i].r); |
254 |
|
d = hddepth(hdlist[p->hd], packra(p)[i].d); |
255 |
< |
VSUM(wp, ro, rd, d); /* might be behind viewpoint */ |
256 |
< |
dev_value(packra(p)[i].v, wp, rd); |
255 |
> |
if (d < .99*FHUGE) { |
256 |
> |
VSUM(wp, ro, rd, d); /* might be behind viewpoint */ |
257 |
> |
dev_value(packra(p)[i].v, rd, wp); |
258 |
> |
} else |
259 |
> |
dev_value(packra(p)[i].v, rd, NULL); |
260 |
|
} |
261 |
+ |
#ifdef DEBUG |
262 |
+ |
if (imm_mode) nimmrays += p->nr; |
263 |
+ |
else naddrays += p->nr; |
264 |
+ |
#endif |
265 |
|
} |
266 |
|
|
267 |
|
|
270 |
|
{ |
271 |
|
static VIEW viewhist[VIEWHISTLEN]; |
272 |
|
static unsigned nhist; |
273 |
+ |
VIEW *dv; |
274 |
+ |
int i, res[2]; |
275 |
+ |
int2 *slist; |
276 |
|
char *err; |
277 |
|
/* restore previous view? */ |
278 |
|
if (v == NULL) { |
282 |
|
while (nhist < VIEWHISTLEN && viewhist[nhist].type) |
283 |
|
nhist++; |
284 |
|
v = viewhist + ((nhist-1)%VIEWHISTLEN); |
285 |
< |
} else if ((err = setview(v)) != NULL) { |
285 |
> |
} else |
286 |
> |
again: |
287 |
> |
if ((err = setview(v)) != NULL) { |
288 |
|
error(COMMAND, err); |
289 |
|
return; |
290 |
|
} |
291 |
< |
again: |
291 |
> |
if (!dev_view(v)) /* notify display driver */ |
292 |
> |
goto again; |
293 |
|
if (v->type == VT_PAR) { |
294 |
|
error(COMMAND, "cannot handle parallel views"); |
295 |
|
return; |
296 |
|
} |
297 |
< |
if (!dev_view(v)) /* update display driver */ |
298 |
< |
goto again; |
299 |
< |
dev_flush(); /* update screen */ |
300 |
< |
if (!beam_view(v)) /* update beam list */ |
301 |
< |
goto again; |
297 |
> |
beam_init(odev.firstuse); /* compute new beam set */ |
298 |
> |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) { |
299 |
> |
if ((slist = beam_view(dv, res[0], res[1])) == NULL) { |
300 |
> |
if (!nhist) { |
301 |
> |
error(COMMAND, "invalid starting view"); |
302 |
> |
return; |
303 |
> |
} |
304 |
> |
copystruct(v, viewhist + ((nhist-1)%VIEWHISTLEN)); |
305 |
> |
goto again; /* poss. overloading dev_section()? */ |
306 |
> |
} |
307 |
> |
DCHECK(*slist < 0, WARNING, "no visible sections in new_view"); |
308 |
> |
for ( ; *slist >= 0; slist++) |
309 |
> |
dev_section(hdgfn[*slist], hdpfn[*slist]); |
310 |
> |
} |
311 |
> |
dev_section(NULL,NULL); /* end section list */ |
312 |
> |
dev_flush(); /* update display */ |
313 |
> |
/* update server */ |
314 |
> |
imm_mode = beam_sync(odev.firstuse) > 0; |
315 |
|
/* record new view */ |
316 |
|
if (v < viewhist || v >= viewhist+VIEWHISTLEN) { |
317 |
|
copystruct(viewhist + (nhist%VIEWHISTLEN), v); |
320 |
|
} |
321 |
|
|
322 |
|
|
323 |
+ |
set_focus(args) /* set focus frame */ |
324 |
+ |
char *args; |
325 |
+ |
{ |
326 |
+ |
double hcent, vcent, hsiz, vsiz; |
327 |
+ |
VIEW *dv, vwfocus; |
328 |
+ |
int i, res[2]; |
329 |
+ |
|
330 |
+ |
i = sscanf(args, "%lf %lf %lf %lf", &hcent, &vcent, &hsiz, &vsiz); |
331 |
+ |
if (i < 2 || hcent < 0 || hcent > 1 || vcent < 0 || vcent > 1) { |
332 |
+ |
beam_init(0); /* restore view */ |
333 |
+ |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
334 |
+ |
beam_view(dv, res[0], res[1]); |
335 |
+ |
beam_sync(0); /* update server */ |
336 |
+ |
return; |
337 |
+ |
} |
338 |
+ |
if (i < 4 || hsiz <= hcent || hsiz > 1 || vsiz <= vcent || vsiz > 1) |
339 |
+ |
hsiz = vsiz = FSIZDEF; /* gave center only */ |
340 |
+ |
else { |
341 |
+ |
hsiz -= hcent; hcent += 0.5*hsiz; /* gave min and max */ |
342 |
+ |
vsiz -= vcent; vcent += 0.5*vsiz; |
343 |
+ |
} |
344 |
+ |
beam_init(0); /* add basic views */ |
345 |
+ |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
346 |
+ |
beam_view(dv, res[0]>>4, res[1]>>4); |
347 |
+ |
copystruct(&vwfocus, &odev.v); /* add focus view */ |
348 |
+ |
switch (odev.v.type) { |
349 |
+ |
case VT_PER: |
350 |
+ |
vwfocus.horiz = 2.*180./PI*atan( |
351 |
+ |
hsiz * tan(PI/180./2.*odev.v.horiz) ); |
352 |
+ |
vwfocus.vert = 2.*180./PI*atan( |
353 |
+ |
vsiz * tan(PI/180./2.*odev.v.vert) ); |
354 |
+ |
break; |
355 |
+ |
case VT_PAR: |
356 |
+ |
case VT_ANG: |
357 |
+ |
vwfocus.horiz = hsiz * odev.v.horiz; |
358 |
+ |
vwfocus.vert = vsiz * odev.v.vert; |
359 |
+ |
break; |
360 |
+ |
case VT_HEM: |
361 |
+ |
vwfocus.horiz = 2.*180./PI*asin( |
362 |
+ |
hsiz * sin(PI/180./2.*odev.v.horiz) ); |
363 |
+ |
vwfocus.vert = 2.*180./PI*asin( |
364 |
+ |
vsiz * sin(PI/180./2.*odev.v.vert) ); |
365 |
+ |
break; |
366 |
+ |
case VT_CYL: |
367 |
+ |
vwfocus.horiz = hsiz * odev.v.horiz; |
368 |
+ |
vwfocus.vert = 2.*180./PI*atan( |
369 |
+ |
vsiz * tan(PI/180./2.*odev.v.vert) ); |
370 |
+ |
break; |
371 |
+ |
default: |
372 |
+ |
error(INTERNAL, "bad view type in set_focus"); |
373 |
+ |
} |
374 |
+ |
vwfocus.hoff = (odev.v.hoff + hcent - 0.5)/hsiz; |
375 |
+ |
vwfocus.voff = (odev.v.voff + vcent - 0.5)/vsiz; |
376 |
+ |
setview(&vwfocus); |
377 |
+ |
beam_view(&vwfocus, (int)(3*odev.hres*hsiz)+100, |
378 |
+ |
(int)(3*odev.vres*vsiz)+100); |
379 |
+ |
beam_sync(0); /* update server */ |
380 |
+ |
} |
381 |
+ |
|
382 |
+ |
|
383 |
|
int |
384 |
|
usr_input() /* get user input and process it */ |
385 |
|
{ |
386 |
|
VIEW vparams; |
387 |
< |
char cmd[128]; |
387 |
> |
char cmd[256]; |
388 |
|
register char *args; |
389 |
|
register int i; |
390 |
|
|
391 |
< |
if (fgets(cmd, sizeof(cmd), sstdin) == NULL) |
392 |
< |
return(DC_QUIT); |
391 |
> |
if (fgets(cmd, sizeof(cmd), sstdin) == NULL) { |
392 |
> |
fclose(sstdin); |
393 |
> |
sstdin = NULL; |
394 |
> |
return(-1); |
395 |
> |
} |
396 |
> |
if (*cmd == '\n') |
397 |
> |
return(DC_RESUME); |
398 |
|
for (args = cmd; *args && !isspace(*args); args++) |
399 |
|
; |
400 |
|
while (isspace(*args)) |
401 |
|
*args++ = '\0'; |
259 |
– |
if (!*cmd) |
260 |
– |
return(DC_RESUME); |
402 |
|
if (*args && args[i=strlen(args)-1] == '\n') |
403 |
|
args[i] = '\0'; |
404 |
|
for (i = 0; i < DC_NCMDS; i++) |
405 |
|
if (!strcmp(cmd, cmdlist[i])) |
406 |
|
break; |
407 |
|
if (i >= DC_NCMDS) { |
408 |
< |
sprintf(errmsg, "unknown command: %s", cmd); |
268 |
< |
error(COMMAND, errmsg); |
408 |
> |
dev_auxcom(cmd, args); |
409 |
|
return(-1); |
410 |
|
} |
411 |
|
switch (i) { |
422 |
|
case DC_LASTVIEW: /* restore previous view */ |
423 |
|
new_view(NULL); |
424 |
|
break; |
425 |
+ |
case DC_FOCUS: /* set focus frame */ |
426 |
+ |
set_focus(args); |
427 |
+ |
break; |
428 |
|
case DC_PAUSE: /* pause the current calculation */ |
429 |
|
case DC_RESUME: /* resume the calculation */ |
430 |
|
/* handled in main() */ |
431 |
|
break; |
432 |
|
case DC_REDRAW: /* redraw from server */ |
433 |
< |
imm_mode = beam_sync() > 0; |
433 |
> |
imm_mode = beam_sync(1) > 0; |
434 |
> |
dev_clear(); |
435 |
|
break; |
436 |
|
case DC_KILL: /* kill rtrace process(es) */ |
437 |
|
serv_request(DR_KILL, 0, NULL); |
491 |
|
disp_bundle((PACKHEAD *)buf); |
492 |
|
break; |
493 |
|
case DS_ADDHOLO: |
494 |
< |
if (msg.nbytes != sizeof(HDGRID)) |
494 |
> |
if (msg.nbytes < sizeof(HDGRID)+2) |
495 |
|
error(INTERNAL, "bad holodeck record from server"); |
496 |
< |
add_holo((HDGRID *)buf); |
496 |
> |
add_holo((HDGRID *)buf, buf+sizeof(HDGRID), |
497 |
> |
buf+sizeof(HDGRID)+strlen(buf+sizeof(HDGRID))+1); |
498 |
|
break; |
499 |
+ |
case DS_OUTSECT: |
500 |
+ |
do_outside = 1; |
501 |
+ |
goto noargs; |
502 |
+ |
case DS_EYESEP: |
503 |
+ |
if (msg.nbytes <= 1 || (eyesepdist = atof(buf)) <= FTINY) |
504 |
+ |
error(INTERNAL, "bad eye separation from server"); |
505 |
+ |
break; |
506 |
|
case DS_STARTIMM: |
507 |
|
case DS_ENDIMM: |
508 |
< |
imm_mode = msg.type==DS_STARTIMM; |
509 |
< |
if (msg.type == DS_ENDIMM) |
510 |
< |
dev_flush(); /* update display NOW */ |
511 |
< |
/* fall through */ |
508 |
> |
if (!(imm_mode = msg.type==DS_STARTIMM)) |
509 |
> |
dev_flush(); |
510 |
> |
#ifdef DEBUG |
511 |
> |
{ |
512 |
> |
time_t tnow = time(NULL); |
513 |
> |
if (msg.type==DS_STARTIMM) tadd += tnow - tmodesw; |
514 |
> |
else timm += tnow - tmodesw; |
515 |
> |
tmodesw = tnow; |
516 |
> |
} |
517 |
> |
#endif |
518 |
> |
goto noargs; |
519 |
|
case DS_ACKNOW: |
520 |
|
case DS_SHUTDOWN: |
521 |
< |
if (msg.nbytes) { |
363 |
< |
sprintf(errmsg, |
364 |
< |
"unexpected body with server message %d", |
365 |
< |
msg.type); |
366 |
< |
error(INTERNAL, errmsg); |
367 |
< |
} |
368 |
< |
break; |
521 |
> |
goto noargs; |
522 |
|
default: |
523 |
|
error(INTERNAL, "unrecognized result from server process"); |
524 |
|
} |
525 |
|
return(msg.type); /* return message type */ |
526 |
+ |
noargs: |
527 |
+ |
if (msg.nbytes) { |
528 |
+ |
sprintf(errmsg, "unexpected body with server message %d", |
529 |
+ |
msg.type); |
530 |
+ |
error(INTERNAL, errmsg); |
531 |
+ |
} |
532 |
+ |
return(msg.type); |
533 |
|
readerr: |
534 |
|
if (feof(stdin)) |
535 |
|
error(SYSTEM, "server process died"); |
543 |
|
{ |
544 |
|
MSGHEAD msg; |
545 |
|
int m; |
546 |
+ |
/* consistency checks */ |
547 |
+ |
DCHECK(nbytes < 0 || nbytes > 0 & p == NULL, |
548 |
+ |
CONSISTENCY, "bad buffer handed to serv_request"); |
549 |
|
/* get server's attention for big request */ |
550 |
|
if (nbytes >= BIGREQSIZ-sizeof(MSGHEAD)) { |
551 |
|
serv_request(DR_ATTEN, 0, NULL); |
585 |
|
quit(code) /* clean up and exit */ |
586 |
|
int code; |
587 |
|
{ |
588 |
+ |
if (code) |
589 |
+ |
exit(code); |
590 |
|
if (odev.v.type) |
591 |
|
dev_close(); |
592 |
< |
exit(code); |
592 |
> |
exit(0); |
593 |
|
} |