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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 do_outside = 0; /* render from outside sections */ |
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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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FILE *sstdin, *sstdout; /* server's standard input and output */ |
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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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imm_mode = beam_sync(1) > 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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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); |
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if (fileno(sstdin) >= n) |
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n = fileno(sstdin) + 1; |
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} |
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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)) |
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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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{ |
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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]; |
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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, "cannot handle parallel views"); |
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return; |
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} |
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if (!dev_view(v)) /* update display driver */ |
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if (!dev_view(v)) /* notify display driver */ |
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goto again; |
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dev_flush(); /* update screen */ |
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if (!beam_view(v)) /* update beam list */ |
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goto again; |
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beam_init(0); /* compute new beam set */ |
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for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
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if (!beam_view(dv, res[0], res[1])) { |
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if (!nhist) { |
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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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goto again; |
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} |
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beam_sync(0); /* update server */ |
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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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usr_input() /* get user input and process it */ |
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{ |
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VIEW vparams; |
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char cmd[128]; |
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char cmd[256]; |
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register char *args; |
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register int i; |
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if (fgets(cmd, sizeof(cmd), sstdin) == NULL) |
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return(DC_QUIT); |
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if (fgets(cmd, sizeof(cmd), sstdin) == NULL) { |
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fclose(sstdin); |
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sstdin = NULL; |
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return(-1); |
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} |
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if (!*cmd) |
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return(DC_RESUME); |
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for (args = cmd; *args && !isspace(*args); args++) |
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; |
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while (isspace(*args)) |
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*args++ = '\0'; |
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if (!*cmd) |
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return(DC_RESUME); |
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if (*args && args[i=strlen(args)-1] == '\n') |
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args[i] = '\0'; |
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for (i = 0; i < DC_NCMDS; i++) |
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if (!strcmp(cmd, cmdlist[i])) |
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break; |
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if (i >= DC_NCMDS) { |
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sprintf(errmsg, "unknown command: %s", cmd); |
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error(COMMAND, errmsg); |
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dev_auxcom(cmd, args); |
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return(-1); |
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} |
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switch (i) { |
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/* handled in main() */ |
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break; |
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case DC_REDRAW: /* redraw from server */ |
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imm_mode = beam_sync() > 0; |
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imm_mode = beam_sync(1) > 0; |
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dev_clear(); |
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break; |
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case DC_KILL: /* kill rtrace process(es) */ |
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break; |
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case DS_OUTSECT: |
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do_outside = 1; |
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break; |
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case DS_EYESEP: |
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if (msg.nbytes <= 1 || (eyesepdist = atof(buf)) <= FTINY) |
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error(INTERNAL, "bad eye separation from server"); |
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break; |
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case DS_STARTIMM: |
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case DS_ENDIMM: |