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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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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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int imm_mode = 0; /* bundles are being delivered immediately */ |
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|
27 |
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int do_outside = 0; /* render from outside sections */ |
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|
29 |
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double eyesepdist = 1; /* eye separation distance */ |
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|
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char *progname; /* global argv[0] */ |
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|
33 |
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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; |
39 |
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static time_t timm, tadd; |
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static long nimmrays, naddrays; |
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#endif |
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|
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#define RDY_SRV 01 |
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#define RDY_DEV 02 |
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#define RDY_SIN 04 |
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sstdin = fdopen(inp, "r"); |
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/* set command error vector */ |
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erract[COMMAND].pf = eputs; |
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#ifdef DEBUG |
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tmodesw = time(NULL); |
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#endif |
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/* enter main loop */ |
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do { |
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rdy = disp_wait(); |
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if (rdy & RDY_SRV) { /* process server result */ |
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res = serv_result(); |
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if (pause && res != DS_SHUTDOWN) { |
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serv_request(DR_ATTEN, 0, NULL); |
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while ((res = serv_result()) != DS_ACKNOW && |
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res != DS_SHUTDOWN) |
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; |
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} |
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} |
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if (rdy & RDY_DEV) { /* user input from driver */ |
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inp = dev_input(); |
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if (inp & DFL(DC_SETVIEW)) |
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printview(); |
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if (inp & DFL(DC_LASTVIEW)) |
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new_view(NULL); |
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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; |
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} |
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if (inp & DFL(DC_PAUSE)) |
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pause = 1; |
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if (inp & DFL(DC_REDRAW)) |
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imm_mode = beam_sync() > 0; |
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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; |
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} |
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if (inp & DFL(DC_PAUSE)) |
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pause = 1; |
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if (inp & DFL(DC_REDRAW)) |
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imm_mode = beam_sync(1) > 0; |
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if (inp & DFL(DC_QUIT)) |
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serv_request(DR_SHUTDOWN, 0, NULL); |
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} |
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if (rdy & RDY_SIN) /* user input from sstdin */ |
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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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pause = 0; |
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break; |
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} |
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if (rdy & RDY_SRV) { /* process server result */ |
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res = serv_result(); |
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if (pause && res != DS_SHUTDOWN) { |
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serv_request(DR_ATTEN, 0, NULL); |
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while ((res = serv_result()) != DS_ACKNOW && |
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res != DS_SHUTDOWN) |
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; |
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} |
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} |
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} while (res != DS_SHUTDOWN); |
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#ifdef DEBUG |
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if (timm && nimmrays) |
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fprintf(stderr, |
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"%s: %.1f rays recalled/second (%ld rays total)\n", |
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progname, (double)nimmrays/timm, nimmrays); |
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if (tadd && naddrays) |
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fprintf(stderr, |
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"%s: %.1f rays calculated/second (%ld rays total)\n", |
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progname, (double)naddrays/tadd, naddrays); |
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#endif |
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/* all done */ |
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quit(0); |
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} |
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int n; |
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register int i; |
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/* see if we can avoid select call */ |
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flgs = 0; /* flag what's ready already */ |
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if (imm_mode || stdin->_cnt > 0) |
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return(RDY_SRV); |
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flgs |= RDY_SRV; |
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if (sstdin != NULL && sstdin->_cnt > 0) |
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return(RDY_SIN); |
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if (dev_flush()) |
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flgs |= RDY_SIN; |
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if (odev.inpready) |
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flgs |= RDY_DEV; |
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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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n = odev.ifd+1; |
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if (sstdin != NULL) { |
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FD_SET(fileno(sstdin), &readset); |
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FD_SET(fileno(sstdin), &errset); |
170 |
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if (fileno(sstdin) >= n) |
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n = fileno(sstdin) + 1; |
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} |
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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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flgs |= RDY_DEV; |
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if (sstdin != NULL && FD_ISSET(fileno(sstdin), &readset)) |
183 |
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if (sstdin != NULL && (FD_ISSET(fileno(sstdin), &readset) || |
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FD_ISSET(fileno(sstdin), &errset))) |
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flgs |= RDY_SIN; |
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return(flgs); |
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} |
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HDGRID *hdg; |
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{ |
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VIEW nv; |
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double d; |
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register int hd; |
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|
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for (hd = 0; hd < HDMAX && hdlist[hd] != NULL; hd++) |
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VSUM(nv.vp, nv.vp, hdlist[0]->xv[2], 0.5); |
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fcross(nv.vdir, hdlist[0]->xv[1], hdlist[0]->xv[2]); |
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VCOPY(nv.vup, hdlist[0]->xv[2]); |
215 |
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if (do_outside) { |
216 |
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normalize(nv.vdir); |
217 |
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d = VLEN(hdlist[0]->xv[1]); |
218 |
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d += VLEN(hdlist[0]->xv[2]); |
219 |
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VSUM(nv.vp, nv.vp, nv.vdir, -d); |
220 |
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} |
221 |
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new_view(&nv); |
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} |
223 |
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|
238 |
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for (i = p->nr; i--; ) { |
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hdray(ro, rd, hdlist[p->hd], gc, packra(p)[i].r); |
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d = hddepth(hdlist[p->hd], packra(p)[i].d); |
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VSUM(wp, ro, rd, d); /* might be behind viewpoint */ |
242 |
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dev_value(packra(p)[i].v, wp, rd); |
241 |
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if (d < .99*FHUGE) { |
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VSUM(wp, ro, rd, d); /* might be behind viewpoint */ |
243 |
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dev_value(packra(p)[i].v, rd, wp); |
244 |
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} else |
245 |
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dev_value(packra(p)[i].v, rd, NULL); |
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} |
247 |
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#ifdef DEBUG |
248 |
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if (imm_mode) nimmrays += p->nr; |
249 |
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else naddrays += p->nr; |
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#endif |
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} |
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|
253 |
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|
256 |
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{ |
257 |
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static VIEW viewhist[VIEWHISTLEN]; |
258 |
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static unsigned nhist; |
259 |
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VIEW *dv; |
260 |
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int i, res[2]; |
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char *err; |
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/* restore previous view? */ |
263 |
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if (v == NULL) { |
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error(COMMAND, "cannot handle parallel views"); |
278 |
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return; |
279 |
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} |
280 |
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if (!dev_view(v)) /* update display driver */ |
280 |
> |
if (!dev_view(v)) /* notify display driver */ |
281 |
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goto again; |
282 |
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dev_flush(); /* update screen */ |
283 |
< |
if (!beam_view(v)) /* update beam list */ |
284 |
< |
goto again; |
283 |
> |
beam_init(0); /* compute new beam set */ |
284 |
> |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
285 |
> |
if (!beam_view(dv, res[0], res[1])) { |
286 |
> |
if (!nhist) { |
287 |
> |
error(COMMAND, "invalid starting view"); |
288 |
> |
return; |
289 |
> |
} |
290 |
> |
copystruct(v, viewhist + ((nhist-1)%VIEWHISTLEN)); |
291 |
> |
goto again; |
292 |
> |
} |
293 |
> |
/* update server */ |
294 |
> |
imm_mode = beam_sync(0) > 0; |
295 |
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/* record new view */ |
296 |
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if (v < viewhist || v >= viewhist+VIEWHISTLEN) { |
297 |
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copystruct(viewhist + (nhist%VIEWHISTLEN), v); |
304 |
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usr_input() /* get user input and process it */ |
305 |
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{ |
306 |
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VIEW vparams; |
307 |
< |
char cmd[128]; |
307 |
> |
char cmd[256]; |
308 |
|
register char *args; |
309 |
|
register int i; |
310 |
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|
311 |
< |
if (fgets(cmd, sizeof(cmd), sstdin) == NULL) |
312 |
< |
return(DC_QUIT); |
311 |
> |
if (fgets(cmd, sizeof(cmd), sstdin) == NULL) { |
312 |
> |
fclose(sstdin); |
313 |
> |
sstdin = NULL; |
314 |
> |
return(-1); |
315 |
> |
} |
316 |
> |
if (*cmd == '\n') |
317 |
> |
return(DC_RESUME); |
318 |
|
for (args = cmd; *args && !isspace(*args); args++) |
319 |
|
; |
320 |
|
while (isspace(*args)) |
321 |
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*args++ = '\0'; |
260 |
– |
if (!*cmd) |
261 |
– |
return(DC_RESUME); |
322 |
|
if (*args && args[i=strlen(args)-1] == '\n') |
323 |
|
args[i] = '\0'; |
324 |
|
for (i = 0; i < DC_NCMDS; i++) |
325 |
|
if (!strcmp(cmd, cmdlist[i])) |
326 |
|
break; |
327 |
|
if (i >= DC_NCMDS) { |
328 |
< |
sprintf(errmsg, "unknown command: %s", cmd); |
269 |
< |
error(COMMAND, errmsg); |
328 |
> |
dev_auxcom(cmd, args); |
329 |
|
return(-1); |
330 |
|
} |
331 |
|
switch (i) { |
347 |
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/* handled in main() */ |
348 |
|
break; |
349 |
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case DC_REDRAW: /* redraw from server */ |
350 |
< |
imm_mode = beam_sync() > 0; |
350 |
> |
imm_mode = beam_sync(1) > 0; |
351 |
> |
dev_clear(); |
352 |
|
break; |
353 |
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case DC_KILL: /* kill rtrace process(es) */ |
354 |
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serv_request(DR_KILL, 0, NULL); |
412 |
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error(INTERNAL, "bad holodeck record from server"); |
413 |
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add_holo((HDGRID *)buf); |
414 |
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break; |
415 |
+ |
case DS_OUTSECT: |
416 |
+ |
do_outside = 1; |
417 |
+ |
goto noargs; |
418 |
+ |
case DS_EYESEP: |
419 |
+ |
if (msg.nbytes <= 1 || (eyesepdist = atof(buf)) <= FTINY) |
420 |
+ |
error(INTERNAL, "bad eye separation from server"); |
421 |
+ |
break; |
422 |
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case DS_STARTIMM: |
423 |
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case DS_ENDIMM: |
424 |
< |
imm_mode = msg.type==DS_STARTIMM; |
425 |
< |
if (msg.type == DS_ENDIMM) |
426 |
< |
dev_flush(); /* update display NOW */ |
427 |
< |
/* fall through */ |
424 |
> |
#ifdef DEBUG |
425 |
> |
{ |
426 |
> |
time_t tnow = time(NULL); |
427 |
> |
if (msg.type==DS_STARTIMM) tadd += tnow - tmodesw; |
428 |
> |
else timm += tnow - tmodesw; |
429 |
> |
tmodesw = tnow; |
430 |
> |
} |
431 |
> |
#endif |
432 |
> |
if (!(imm_mode = msg.type==DS_STARTIMM)) |
433 |
> |
dev_flush(); |
434 |
> |
goto noargs; |
435 |
|
case DS_ACKNOW: |
436 |
|
case DS_SHUTDOWN: |
437 |
< |
if (msg.nbytes) { |
364 |
< |
sprintf(errmsg, |
365 |
< |
"unexpected body with server message %d", |
366 |
< |
msg.type); |
367 |
< |
error(INTERNAL, errmsg); |
368 |
< |
} |
369 |
< |
break; |
437 |
> |
goto noargs; |
438 |
|
default: |
439 |
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error(INTERNAL, "unrecognized result from server process"); |
440 |
|
} |
441 |
|
return(msg.type); /* return message type */ |
442 |
+ |
noargs: |
443 |
+ |
if (msg.nbytes) { |
444 |
+ |
sprintf(errmsg, "unexpected body with server message %d", |
445 |
+ |
msg.type); |
446 |
+ |
error(INTERNAL, errmsg); |
447 |
+ |
} |
448 |
+ |
return(msg.type); |
449 |
|
readerr: |
450 |
|
if (feof(stdin)) |
451 |
|
error(SYSTEM, "server process died"); |
459 |
|
{ |
460 |
|
MSGHEAD msg; |
461 |
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int m; |
462 |
+ |
/* consistency checks */ |
463 |
+ |
#ifdef DEBUG |
464 |
+ |
if (nbytes < 0 || nbytes > 0 & p == NULL) |
465 |
+ |
error(CONSISTENCY, "bad buffer handed to serv_request"); |
466 |
+ |
#endif |
467 |
|
/* get server's attention for big request */ |
468 |
|
if (nbytes >= BIGREQSIZ-sizeof(MSGHEAD)) { |
469 |
|
serv_request(DR_ATTEN, 0, NULL); |