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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
6 |
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|
4 |
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/* |
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* Holodeck display process. |
6 |
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*/ |
15 |
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#define VIEWHISTLEN 4 /* number of remembered views */ |
16 |
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#endif |
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|
18 |
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#ifndef FSIZDEF |
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#define FSIZDEF 0.125 /* default focus frame size */ |
20 |
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#endif |
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|
22 |
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#if defined(freebsd) |
23 |
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#define fbufcnt(f) ((f)->_r) |
24 |
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#elif defined(__GNUC__) |
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#define fbufcnt(f) ((f)->_IO_read_end - (f)->_IO_read_ptr) |
26 |
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#else |
27 |
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#define fbufcnt(f) ((f)->_cnt) |
28 |
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#endif |
29 |
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|
30 |
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HOLO *hdlist[HDMAX+1]; /* global holodeck list */ |
31 |
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|
32 |
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char *hdgfn[HDMAX]; /* holodeck section geometry list */ |
33 |
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char *hdpfn[HDMAX]; /* section portal list */ |
34 |
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|
35 |
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char cmdlist[DC_NCMDS][8] = DC_INIT; |
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|
37 |
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int imm_mode = 0; /* bundles are being delivered immediately */ |
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FILE *sstdin, *sstdout; /* server's standard input and output */ |
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|
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#ifdef DEBUG |
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#include <sys/types.h> |
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extern time_t time(); |
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static time_t tmodesw; |
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static time_t timm, tadd; |
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int argc; |
61 |
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char *argv[]; |
62 |
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{ |
52 |
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extern int eputs(); |
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int rdy, inp, res = 0, pause = 0; |
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|
65 |
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progname = argv[0]; |
94 |
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inp = dev_input(); |
95 |
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if (inp & DFL(DC_SETVIEW)) |
96 |
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new_view(&odev.v); |
97 |
< |
if (inp & DFL(DC_GETVIEW)) |
88 |
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printview(); |
89 |
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if (inp & DFL(DC_LASTVIEW)) |
97 |
> |
else if (inp & DFL(DC_LASTVIEW)) |
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new_view(NULL); |
91 |
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if (inp & DFL(DC_RESUME)) { |
92 |
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serv_request(DR_NOOP, 0, NULL); |
93 |
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pause = 0; |
94 |
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} |
95 |
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if (inp & DFL(DC_PAUSE)) |
96 |
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pause = 1; |
99 |
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if (inp & DFL(DC_REDRAW)) |
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imm_mode = beam_sync(1) > 0; |
101 |
+ |
if (inp & DFL(DC_GETVIEW)) |
102 |
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printview(); |
103 |
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if (inp & DFL(DC_FOCUS)) |
104 |
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set_focus(odev_args); |
105 |
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if (inp & DFL(DC_KILL)) { |
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serv_request(DR_KILL, 0, NULL); |
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pause = 0; |
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serv_request(DR_RESTART, 0, NULL); |
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pause = 0; |
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} |
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if (inp & DFL(DC_RESUME)) { |
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serv_request(DR_NOOP, 0, NULL); |
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pause = 0; |
118 |
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} |
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if (inp & DFL(DC_PAUSE)) |
120 |
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pause = 1; |
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if (inp & DFL(DC_QUIT)) |
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serv_request(DR_SHUTDOWN, 0, NULL); |
123 |
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} |
124 |
< |
if (rdy & RDY_SIN) /* user input from sstdin */ |
124 |
> |
if (rdy & RDY_SIN && !imm_mode) /* user input from sstdin */ |
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switch (usr_input()) { |
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case DC_PAUSE: |
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pause = 1; |
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int n; |
159 |
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register int i; |
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/* see if we can avoid select call */ |
161 |
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if (imm_mode || stdin->_cnt > 0) |
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return(RDY_SRV); |
163 |
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if (sstdin != NULL && sstdin->_cnt > 0) |
164 |
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return(RDY_SIN); |
165 |
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if (dev_flush()) |
161 |
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if (hdlist[0] == NULL) |
162 |
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return(RDY_SRV); /* initialize first */ |
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flgs = 0; /* flag what's ready already */ |
164 |
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if (imm_mode || fbufcnt(stdin) > 0) |
165 |
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flgs |= RDY_SRV; |
166 |
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if (sstdin != NULL && fbufcnt(sstdin) > 0) |
167 |
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flgs |= RDY_SIN; |
168 |
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if (odev.inpready) |
169 |
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flgs |= RDY_DEV; |
170 |
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if (flgs) /* got something? */ |
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return(flgs); |
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if (dev_flush()) /* else flush output & check keyboard+mouse */ |
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return(RDY_DEV); |
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/* make the call */ |
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/* if nothing, we need to call select */ |
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FD_ZERO(&readset); FD_ZERO(&errset); |
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FD_SET(0, &readset); |
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FD_SET(0, &errset); |
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return(0); |
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error(SYSTEM, "select call failure in disp_wait"); |
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} |
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flgs = 0; /* flag what's ready */ |
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if (FD_ISSET(0, &readset) || FD_ISSET(0, &errset)) |
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flgs |= RDY_SRV; |
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if (FD_ISSET(odev.ifd, &readset) || FD_ISSET(odev.ifd, &errset)) |
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} |
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|
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|
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add_holo(hdg) /* register a new holodeck section */ |
204 |
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add_holo(hdg, gfn, pfn) /* register a new holodeck section */ |
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HDGRID *hdg; |
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char *gfn, *pfn; |
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{ |
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VIEW nv; |
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double d; |
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hdlist[hd] = (HOLO *)malloc(sizeof(HOLO)); |
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if (hdlist[hd] == NULL) |
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error(SYSTEM, "out of memory in add_holo"); |
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bcopy((char *)hdg, (char *)hdlist[hd], sizeof(HDGRID)); |
219 |
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bcopy((void *)hdg, (void *)hdlist[hd], sizeof(HDGRID)); |
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hdcompgrid(hdlist[hd]); |
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hdgfn[hd] = savestr(gfn); |
222 |
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hdpfn[hd] = pfn && *pfn ? savestr(pfn) : (char *)NULL; |
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if (hd) |
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return; |
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/* set initial viewpoint */ |
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static unsigned nhist; |
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VIEW *dv; |
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int i, res[2]; |
278 |
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int16 *slist; |
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char *err; |
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/* restore previous view? */ |
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if (v == NULL) { |
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error(COMMAND, err); |
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return; |
293 |
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} |
294 |
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if (!dev_view(v)) /* notify display driver */ |
295 |
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goto again; |
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if (v->type == VT_PAR) { |
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error(COMMAND, "cannot handle parallel views"); |
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return; |
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} |
300 |
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if (!dev_view(v)) /* notify display driver */ |
301 |
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goto again; |
302 |
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dev_flush(); /* update screen */ |
279 |
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beam_init(0); /* compute new beam set */ |
280 |
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for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
281 |
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if (!beam_view(dv, res[0], res[1])) { |
300 |
> |
beam_init(odev.firstuse); /* compute new beam set */ |
301 |
> |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) { |
302 |
> |
if ((slist = beam_view(dv, res[0], res[1])) == NULL) { |
303 |
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if (!nhist) { |
304 |
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error(COMMAND, "invalid starting view"); |
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return; |
306 |
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} |
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copystruct(v, viewhist + ((nhist-1)%VIEWHISTLEN)); |
308 |
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goto again; |
308 |
> |
goto again; /* poss. overloading dev_section()? */ |
309 |
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} |
310 |
< |
beam_sync(0); /* update server */ |
310 |
> |
DCHECK(*slist < 0, WARNING, "no visible sections in new_view"); |
311 |
> |
for ( ; *slist >= 0; slist++) |
312 |
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dev_section(hdgfn[*slist], hdpfn[*slist]); |
313 |
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} |
314 |
> |
dev_section(NULL,NULL); /* end section list */ |
315 |
> |
dev_flush(); /* update display */ |
316 |
> |
/* update server */ |
317 |
> |
imm_mode = beam_sync(odev.firstuse) > 0; |
318 |
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/* record new view */ |
319 |
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if (v < viewhist || v >= viewhist+VIEWHISTLEN) { |
320 |
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copystruct(viewhist + (nhist%VIEWHISTLEN), v); |
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} |
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|
325 |
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|
326 |
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set_focus(args) /* set focus frame */ |
327 |
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char *args; |
328 |
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{ |
329 |
+ |
double hcent, vcent, hsiz, vsiz; |
330 |
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VIEW *dv, vwfocus; |
331 |
+ |
int i, res[2]; |
332 |
+ |
|
333 |
+ |
i = sscanf(args, "%lf %lf %lf %lf", &hcent, &vcent, &hsiz, &vsiz); |
334 |
+ |
if (i < 2 || hcent < 0 || hcent > 1 || vcent < 0 || vcent > 1) { |
335 |
+ |
beam_init(0); /* restore view */ |
336 |
+ |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
337 |
+ |
beam_view(dv, res[0], res[1]); |
338 |
+ |
beam_sync(0); /* update server */ |
339 |
+ |
return; |
340 |
+ |
} |
341 |
+ |
if (i < 4 || hsiz <= hcent || hsiz > 1 || vsiz <= vcent || vsiz > 1) |
342 |
+ |
hsiz = vsiz = FSIZDEF; /* gave center only */ |
343 |
+ |
else { |
344 |
+ |
hsiz -= hcent; hcent += 0.5*hsiz; /* gave min and max */ |
345 |
+ |
vsiz -= vcent; vcent += 0.5*vsiz; |
346 |
+ |
} |
347 |
+ |
beam_init(0); /* add basic views */ |
348 |
+ |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
349 |
+ |
beam_view(dv, res[0]>>4, res[1]>>4); |
350 |
+ |
copystruct(&vwfocus, &odev.v); /* add focus view */ |
351 |
+ |
switch (odev.v.type) { |
352 |
+ |
case VT_PER: |
353 |
+ |
vwfocus.horiz = 2.*180./PI*atan( |
354 |
+ |
hsiz * tan(PI/180./2.*odev.v.horiz) ); |
355 |
+ |
vwfocus.vert = 2.*180./PI*atan( |
356 |
+ |
vsiz * tan(PI/180./2.*odev.v.vert) ); |
357 |
+ |
break; |
358 |
+ |
case VT_PAR: |
359 |
+ |
case VT_ANG: |
360 |
+ |
vwfocus.horiz = hsiz * odev.v.horiz; |
361 |
+ |
vwfocus.vert = vsiz * odev.v.vert; |
362 |
+ |
break; |
363 |
+ |
case VT_HEM: |
364 |
+ |
vwfocus.horiz = 2.*180./PI*asin( |
365 |
+ |
hsiz * sin(PI/180./2.*odev.v.horiz) ); |
366 |
+ |
vwfocus.vert = 2.*180./PI*asin( |
367 |
+ |
vsiz * sin(PI/180./2.*odev.v.vert) ); |
368 |
+ |
break; |
369 |
+ |
case VT_CYL: |
370 |
+ |
vwfocus.horiz = hsiz * odev.v.horiz; |
371 |
+ |
vwfocus.vert = 2.*180./PI*atan( |
372 |
+ |
vsiz * tan(PI/180./2.*odev.v.vert) ); |
373 |
+ |
break; |
374 |
+ |
default: |
375 |
+ |
error(INTERNAL, "bad view type in set_focus"); |
376 |
+ |
} |
377 |
+ |
vwfocus.hoff = (odev.v.hoff + hcent - 0.5)/hsiz; |
378 |
+ |
vwfocus.voff = (odev.v.voff + vcent - 0.5)/vsiz; |
379 |
+ |
setview(&vwfocus); |
380 |
+ |
beam_view(&vwfocus, (int)(3*odev.hres*hsiz)+100, |
381 |
+ |
(int)(3*odev.vres*vsiz)+100); |
382 |
+ |
beam_sync(0); /* update server */ |
383 |
+ |
} |
384 |
+ |
|
385 |
+ |
|
386 |
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int |
387 |
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usr_input() /* get user input and process it */ |
388 |
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{ |
396 |
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sstdin = NULL; |
397 |
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return(-1); |
398 |
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} |
399 |
< |
if (!*cmd) |
399 |
> |
if (*cmd == '\n') |
400 |
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return(DC_RESUME); |
401 |
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for (args = cmd; *args && !isspace(*args); args++) |
402 |
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; |
425 |
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case DC_LASTVIEW: /* restore previous view */ |
426 |
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new_view(NULL); |
427 |
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break; |
428 |
+ |
case DC_FOCUS: /* set focus frame */ |
429 |
+ |
set_focus(args); |
430 |
+ |
break; |
431 |
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case DC_PAUSE: /* pause the current calculation */ |
432 |
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case DC_RESUME: /* resume the calculation */ |
433 |
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/* handled in main() */ |
479 |
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if (buf == NULL) |
480 |
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buf = (char *)malloc(bufsiz=msg.nbytes); |
481 |
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else |
482 |
< |
buf = (char *)realloc(buf, bufsiz=msg.nbytes); |
482 |
> |
buf = (char *)realloc((void *)buf, |
483 |
> |
bufsiz=msg.nbytes); |
484 |
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if (buf == NULL) |
485 |
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error(SYSTEM, "out of memory in serv_result"); |
486 |
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} |
495 |
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disp_bundle((PACKHEAD *)buf); |
496 |
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break; |
497 |
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case DS_ADDHOLO: |
498 |
< |
if (msg.nbytes != sizeof(HDGRID)) |
498 |
> |
if (msg.nbytes < sizeof(HDGRID)+2) |
499 |
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error(INTERNAL, "bad holodeck record from server"); |
500 |
< |
add_holo((HDGRID *)buf); |
500 |
> |
add_holo((HDGRID *)buf, buf+sizeof(HDGRID), |
501 |
> |
buf+sizeof(HDGRID)+strlen(buf+sizeof(HDGRID))+1); |
502 |
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break; |
503 |
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case DS_OUTSECT: |
504 |
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do_outside = 1; |
509 |
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break; |
510 |
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case DS_STARTIMM: |
511 |
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case DS_ENDIMM: |
512 |
+ |
if (!(imm_mode = msg.type==DS_STARTIMM)) |
513 |
+ |
dev_flush(); |
514 |
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#ifdef DEBUG |
515 |
< |
if (imm_mode != (msg.type==DS_STARTIMM)) { |
515 |
> |
{ |
516 |
|
time_t tnow = time(NULL); |
517 |
< |
if (imm_mode) timm += tnow - tmodesw; |
518 |
< |
else tadd += tnow - tmodesw; |
517 |
> |
if (msg.type==DS_STARTIMM) tadd += tnow - tmodesw; |
518 |
> |
else timm += tnow - tmodesw; |
519 |
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tmodesw = tnow; |
520 |
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} |
521 |
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#endif |
427 |
– |
imm_mode = msg.type==DS_STARTIMM; |
522 |
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goto noargs; |
523 |
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case DS_ACKNOW: |
524 |
|
case DS_SHUTDOWN: |
547 |
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{ |
548 |
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MSGHEAD msg; |
549 |
|
int m; |
550 |
+ |
/* consistency checks */ |
551 |
+ |
DCHECK(nbytes < 0 || nbytes > 0 & p == NULL, |
552 |
+ |
CONSISTENCY, "bad buffer handed to serv_request"); |
553 |
|
/* get server's attention for big request */ |
554 |
|
if (nbytes >= BIGREQSIZ-sizeof(MSGHEAD)) { |
555 |
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serv_request(DR_ATTEN, 0, NULL); |
567 |
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} |
568 |
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|
569 |
|
|
570 |
+ |
void |
571 |
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eputs(s) /* put error message to stderr */ |
572 |
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register char *s; |
573 |
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{ |
587 |
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} |
588 |
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|
589 |
|
|
590 |
+ |
void |
591 |
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quit(code) /* clean up and exit */ |
592 |
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int code; |
593 |
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{ |
594 |
+ |
if (code) |
595 |
+ |
exit(code); |
596 |
|
if (odev.v.type) |
597 |
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dev_close(); |
598 |
< |
exit(code); |
598 |
> |
exit(0); |
599 |
|
} |