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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 |
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/* |
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* Holodeck display process. |
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*/ |
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#include <string.h> |
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#include <ctype.h> |
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#include "rholo.h" |
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#include "rhdisp.h" |
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#include "rhdriver.h" |
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#include "selcall.h" |
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#include <ctype.h> |
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#ifndef VIEWHISTLEN |
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#define VIEWHISTLEN 4 /* number of remembered views */ |
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#define FSIZDEF 0.125 /* default focus frame size */ |
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#endif |
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#if defined(freebsd) |
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#define fbufcnt(f) ((f)->_r) |
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#elif defined(__GNUC__) |
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#define fbufcnt(f) ((f)->_IO_read_end - (f)->_IO_read_ptr) |
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#else |
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#define fbufcnt(f) ((f)->_cnt) |
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#endif |
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|
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HOLO *hdlist[HDMAX+1]; /* global holodeck list */ |
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char *hdgfn[HDMAX]; /* holodeck section geometry list */ |
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FILE *sstdin, *sstdout; /* server's standard input and output */ |
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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; |
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char *argv[]; |
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{ |
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extern int eputs(); |
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int rdy, inp, res = 0, pause = 0; |
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progname = argv[0]; |
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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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if (hdlist[0] == NULL) |
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return(RDY_SRV); /* initialize first */ |
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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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if (imm_mode || fbufcnt(stdin) > 0) |
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flgs |= RDY_SRV; |
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if (sstdin != NULL && sstdin->_cnt > 0) |
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if (sstdin != NULL && fbufcnt(sstdin) > 0) |
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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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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)); |
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memcpy((void *)hdlist[hd], (void *)hdg, sizeof(HDGRID)); |
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hdcompgrid(hdlist[hd]); |
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hdgfn[hd] = savestr(gfn); |
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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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copystruct(&nv, &odev.v); |
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nv = odev.v; |
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VSUM(nv.vp, hdlist[0]->orig, hdlist[0]->xv[0], 0.5); |
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VSUM(nv.vp, nv.vp, hdlist[0]->xv[1], 0.5); |
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VSUM(nv.vp, nv.vp, hdlist[0]->xv[2], 0.5); |
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static VIEW viewhist[VIEWHISTLEN]; |
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static unsigned nhist; |
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VIEW *dv; |
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int i, res[2], *slist; |
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int i, res[2]; |
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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, "invalid starting view"); |
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return; |
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} |
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copystruct(v, viewhist + ((nhist-1)%VIEWHISTLEN)); |
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*v = *(viewhist + ((nhist-1)%VIEWHISTLEN)); |
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goto again; /* poss. overloading dev_section()? */ |
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} |
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DCHECK(*slist < 0, WARNING, "no visible sections in new_view"); |
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imm_mode = beam_sync(odev.firstuse) > 0; |
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/* record new view */ |
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if (v < viewhist || v >= viewhist+VIEWHISTLEN) { |
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copystruct(viewhist + (nhist%VIEWHISTLEN), v); |
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*(viewhist + (nhist%VIEWHISTLEN)) = *v; |
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nhist++; |
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} |
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} |
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beam_init(0); /* add basic views */ |
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for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
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beam_view(dv, res[0]>>4, res[1]>>4); |
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copystruct(&vwfocus, &odev.v); /* add focus view */ |
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vwfocus = odev.v; /* add focus view */ |
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switch (odev.v.type) { |
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case VT_PER: |
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vwfocus.horiz = 2.*180./PI*atan( |
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} |
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switch (i) { |
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case DC_SETVIEW: /* set the view */ |
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copystruct(&vparams, &odev.v); |
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vparams = odev.v; |
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if (!sscanview(&vparams, args)) |
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error(COMMAND, "missing view options"); |
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else |
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if (buf == NULL) |
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buf = (char *)malloc(bufsiz=msg.nbytes); |
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else |
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buf = (char *)realloc(buf, bufsiz=msg.nbytes); |
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buf = (char *)realloc((void *)buf, |
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bufsiz=msg.nbytes); |
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if (buf == NULL) |
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error(SYSTEM, "out of memory in serv_result"); |
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} |
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break; |
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case DS_STARTIMM: |
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case DS_ENDIMM: |
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if (!(imm_mode = msg.type==DS_STARTIMM)) |
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dev_flush(); |
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#ifdef DEBUG |
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{ |
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time_t tnow = time(NULL); |
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tmodesw = tnow; |
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} |
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#endif |
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if (!(imm_mode = msg.type==DS_STARTIMM)) |
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dev_flush(); |
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goto noargs; |
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case DS_ACKNOW: |
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case DS_SHUTDOWN: |
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} |
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void |
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eputs(s) /* put error message to stderr */ |
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register char *s; |
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{ |
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} |
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void |
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quit(code) /* clean up and exit */ |
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int code; |
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{ |