| 8 |  | #include <string.h> | 
| 9 |  | #include <ctype.h> | 
| 10 |  |  | 
| 11 | + | #include "rterror.h" | 
| 12 |  | #include "rholo.h" | 
| 13 |  | #include "rhdisp.h" | 
| 14 |  | #include "rhdriver.h" | 
| 58 |  | #define RDY_DEV         02 | 
| 59 |  | #define RDY_SIN         04 | 
| 60 |  |  | 
| 61 | + | static int disp_wait(void); | 
| 62 | + | static void add_holo(HDGRID *hdg, char *gfn, char *pfn); | 
| 63 | + | static void disp_bundle(PACKHEAD *p); | 
| 64 | + | static void new_view(VIEW *v); | 
| 65 | + | static void set_focus(char *args); | 
| 66 | + | static int usr_input(void); | 
| 67 | + | static void printview(void); | 
| 68 |  |  | 
| 69 | < | main(argc, argv) | 
| 70 | < | int     argc; | 
| 71 | < | char    *argv[]; | 
| 69 | > |  | 
| 70 | > | int | 
| 71 | > | main( | 
| 72 | > | int     argc, | 
| 73 | > | char    *argv[] | 
| 74 | > | ) | 
| 75 |  | { | 
| 76 |  | int     rdy, inp, res = 0, pause = 0; | 
| 77 |  |  | 
| 160 |  | #endif | 
| 161 |  | /* all done */ | 
| 162 |  | quit(0); | 
| 163 | + | return 0; /* pro forma return */ | 
| 164 |  | } | 
| 165 |  |  | 
| 166 |  |  | 
| 167 | < | int | 
| 168 | < | disp_wait()                     /* wait for more input */ | 
| 167 | > | static int | 
| 168 | > | disp_wait(void)                 /* wait for more input */ | 
| 169 |  | { | 
| 170 |  | fd_set  readset, errset; | 
| 171 |  | int     flgs; | 
| 172 |  | int     n; | 
| 161 | – | register int    i; | 
| 173 |  | /* see if we can avoid select call */ | 
| 174 |  | if (hdlist[0] == NULL) | 
| 175 |  | return(RDY_SRV);        /* initialize first */ | 
| 214 |  | } | 
| 215 |  |  | 
| 216 |  |  | 
| 217 | < | add_holo(hdg, gfn, pfn)         /* register a new holodeck section */ | 
| 218 | < | HDGRID  *hdg; | 
| 219 | < | char    *gfn, *pfn; | 
| 217 | > | static void | 
| 218 | > | add_holo(               /* a new holodeck section */ | 
| 219 | > | HDGRID  *hdg, | 
| 220 | > | char    *gfn, | 
| 221 | > | char    *pfn | 
| 222 | > | ) | 
| 223 |  | { | 
| 224 |  | VIEW    nv; | 
| 225 |  | double  d; | 
| 226 | < | register int    hd; | 
| 226 | > | int     hd; | 
| 227 |  |  | 
| 228 |  | for (hd = 0; hd < HDMAX && hdlist[hd] != NULL; hd++) | 
| 229 |  | ; | 
| 239 |  | if (hd) | 
| 240 |  | return; | 
| 241 |  | /* set initial viewpoint */ | 
| 242 | < | copystruct(&nv, &odev.v); | 
| 242 | > | nv = odev.v; | 
| 243 |  | VSUM(nv.vp, hdlist[0]->orig, hdlist[0]->xv[0], 0.5); | 
| 244 |  | VSUM(nv.vp, nv.vp, hdlist[0]->xv[1], 0.5); | 
| 245 |  | VSUM(nv.vp, nv.vp, hdlist[0]->xv[2], 0.5); | 
| 255 |  | } | 
| 256 |  |  | 
| 257 |  |  | 
| 258 | < | disp_bundle(p)                  /* display a ray bundle */ | 
| 259 | < | register PACKHEAD       *p; | 
| 258 | > | static void | 
| 259 | > | disp_bundle(                    /* display a ray bundle */ | 
| 260 | > | PACKHEAD        *p | 
| 261 | > | ) | 
| 262 |  | { | 
| 263 |  | GCOORD  gc[2]; | 
| 264 |  | FVECT   ro, rd, wp; | 
| 265 |  | double  d; | 
| 266 | < | register int    i; | 
| 266 | > | int     i; | 
| 267 |  | /* get beam coordinates */ | 
| 268 | < | if (p->hd < 0 | p->hd >= HDMAX || hdlist[p->hd] == NULL) | 
| 268 | > | if ((p->hd < 0) | (p->hd >= HDMAX) || hdlist[p->hd] == NULL) | 
| 269 |  | error(INTERNAL, "bad holodeck number in disp_bundle"); | 
| 270 |  | if (!hdbcoord(gc, hdlist[p->hd], p->bi)) | 
| 271 |  | error(INTERNAL, "bad beam index in disp_bundle"); | 
| 286 |  | } | 
| 287 |  |  | 
| 288 |  |  | 
| 289 | < | new_view(v)                     /* change view parameters */ | 
| 290 | < | register VIEW   *v; | 
| 289 | > | static void | 
| 290 | > | new_view(                       /* change view parameters */ | 
| 291 | > | VIEW    *v | 
| 292 | > | ) | 
| 293 |  | { | 
| 294 |  | static VIEW     viewhist[VIEWHISTLEN]; | 
| 295 |  | static unsigned nhist; | 
| 324 |  | error(COMMAND, "invalid starting view"); | 
| 325 |  | return; | 
| 326 |  | } | 
| 327 | < | copystruct(v, viewhist + ((nhist-1)%VIEWHISTLEN)); | 
| 328 | < | goto again;     /* poss. overloading dev_section()? */ | 
| 327 | > | *v = *(viewhist + ((nhist-1)%VIEWHISTLEN)); | 
| 328 | > | goto again;     /* XXX overloading dev_section()? */ | 
| 329 |  | } | 
| 330 |  | DCHECK(*slist < 0, WARNING, "no visible sections in new_view"); | 
| 331 |  | for ( ; *slist >= 0; slist++) | 
| 337 |  | imm_mode = beam_sync(odev.firstuse) > 0; | 
| 338 |  | /* record new view */ | 
| 339 |  | if (v < viewhist || v >= viewhist+VIEWHISTLEN) { | 
| 340 | < | copystruct(viewhist + (nhist%VIEWHISTLEN), v); | 
| 340 | > | *(viewhist + (nhist%VIEWHISTLEN)) = *v; | 
| 341 |  | nhist++; | 
| 342 |  | } | 
| 343 |  | } | 
| 344 |  |  | 
| 345 |  |  | 
| 346 | < | set_focus(args)                 /* set focus frame */ | 
| 347 | < | char    *args; | 
| 346 | > | static void | 
| 347 | > | set_focus(                      /* set focus frame */ | 
| 348 | > | char    *args | 
| 349 | > | ) | 
| 350 |  | { | 
| 351 |  | double  hcent, vcent, hsiz, vsiz; | 
| 352 |  | VIEW    *dv, vwfocus; | 
| 369 |  | beam_init(0);                                   /* add basic views */ | 
| 370 |  | for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) | 
| 371 |  | beam_view(dv, res[0]>>4, res[1]>>4); | 
| 372 | < | copystruct(&vwfocus, &odev.v);                  /* add focus view */ | 
| 372 | > | vwfocus = odev.v;                       /* add focus view */ | 
| 373 |  | switch (odev.v.type) { | 
| 374 |  | case VT_PER: | 
| 375 |  | vwfocus.horiz = 2.*180./PI*atan( | 
| 382 |  | vwfocus.horiz = hsiz * odev.v.horiz; | 
| 383 |  | vwfocus.vert = vsiz * odev.v.vert; | 
| 384 |  | break; | 
| 385 | + | case VT_PLS: | 
| 386 | + | vwfocus.horiz = hsiz * sin((PI/180./2.)*odev.v.horiz) / | 
| 387 | + | (1.0 + cos((PI/180./2.)*odev.v.horiz)); | 
| 388 | + | vwfocus.horiz *= vwfocus.horiz; | 
| 389 | + | vwfocus.horiz = (2.*180./PI)*acos((1. - vwfocus.horiz) / | 
| 390 | + | (1. + vwfocus.horiz)); | 
| 391 | + | vwfocus.vert = vsiz * sin((PI/180./2.)*odev.v.vert) / | 
| 392 | + | (1.0 + cos((PI/180./2.)*odev.v.vert)); | 
| 393 | + | vwfocus.vert *= vwfocus.vert; | 
| 394 | + | vwfocus.vert = (2.*180./PI)*acos((1. - vwfocus.vert) / | 
| 395 | + | (1. + vwfocus.vert)); | 
| 396 | + | break; | 
| 397 |  | case VT_HEM: | 
| 398 |  | vwfocus.horiz = 2.*180./PI*asin( | 
| 399 |  | hsiz * sin(PI/180./2.*odev.v.horiz) ); | 
| 417 |  | } | 
| 418 |  |  | 
| 419 |  |  | 
| 420 | < | int | 
| 421 | < | usr_input()                     /* get user input and process it */ | 
| 420 | > | static int | 
| 421 | > | usr_input(void)                 /* get user input and process it */ | 
| 422 |  | { | 
| 423 |  | VIEW    vparams; | 
| 424 |  | char    cmd[256]; | 
| 425 | < | register char   *args; | 
| 426 | < | register int    i; | 
| 425 | > | char    *args; | 
| 426 | > | int     i; | 
| 427 |  |  | 
| 428 |  | if (fgets(cmd, sizeof(cmd), sstdin) == NULL) { | 
| 429 |  | fclose(sstdin); | 
| 447 |  | } | 
| 448 |  | switch (i) { | 
| 449 |  | case DC_SETVIEW:                /* set the view */ | 
| 450 | < | copystruct(&vparams, &odev.v); | 
| 450 | > | vparams = odev.v; | 
| 451 |  | if (!sscanview(&vparams, args)) | 
| 452 |  | error(COMMAND, "missing view options"); | 
| 453 |  | else | 
| 489 |  | } | 
| 490 |  |  | 
| 491 |  |  | 
| 492 | < | printview()                     /* print our current view to server stdout */ | 
| 492 | > | static void | 
| 493 | > | printview(void)                 /* print our current view to server stdout */ | 
| 494 |  | { | 
| 495 |  | fputs(VIEWSTR, sstdout); | 
| 496 |  | fprintview(&odev.v, sstdout); | 
| 500 |  |  | 
| 501 |  |  | 
| 502 |  | int | 
| 503 | < | serv_result()                   /* get next server result and process it */ | 
| 503 | > | serv_result(void)                       /* get next server result and process it */ | 
| 504 |  | { | 
| 505 |  | static char     *buf = NULL; | 
| 506 |  | static int      bufsiz = 0; | 
| 507 |  | MSGHEAD msg; | 
| 475 | – | int     n; | 
| 508 |  | /* read message header */ | 
| 509 | < | if (fread((char *)&msg, sizeof(MSGHEAD), 1, stdin) != 1) | 
| 509 | > | if (getbinary(&msg, sizeof(MSGHEAD), 1, stdin) != 1) | 
| 510 |  | goto readerr; | 
| 511 |  | if (msg.nbytes > 0) {           /* get the message body */ | 
| 512 |  | if (msg.nbytes > bufsiz) { | 
| 518 |  | if (buf == NULL) | 
| 519 |  | error(SYSTEM, "out of memory in serv_result"); | 
| 520 |  | } | 
| 521 | < | if (fread(buf, 1, msg.nbytes, stdin) != msg.nbytes) | 
| 521 | > | if (getbinary(buf, 1, msg.nbytes, stdin) != msg.nbytes) | 
| 522 |  | goto readerr; | 
| 523 |  | } | 
| 524 |  | switch (msg.type) {             /* process results */ | 
| 543 |  | break; | 
| 544 |  | case DS_STARTIMM: | 
| 545 |  | case DS_ENDIMM: | 
| 546 | < | if (!(imm_mode = msg.type==DS_STARTIMM)) | 
| 546 | > | if (!(imm_mode = (msg.type==DS_STARTIMM))) | 
| 547 |  | dev_flush(); | 
| 548 |  | #ifdef DEBUG | 
| 549 |  | { | 
| 572 |  | if (feof(stdin)) | 
| 573 |  | error(SYSTEM, "server process died"); | 
| 574 |  | error(SYSTEM, "error reading from server process"); | 
| 575 | + | return -1; | 
| 576 |  | } | 
| 577 |  |  | 
| 578 |  |  | 
| 579 | < | serv_request(type, nbytes, p)   /* send a request to the server process */ | 
| 580 | < | int     type, nbytes; | 
| 581 | < | char    *p; | 
| 579 | > | void | 
| 580 | > | serv_request(   /* send a request to the server process */ | 
| 581 | > | int     type, | 
| 582 | > | int     nbytes, | 
| 583 | > | char    *p | 
| 584 | > | ) | 
| 585 |  | { | 
| 586 |  | MSGHEAD msg; | 
| 587 |  | int     m; | 
| 597 |  | } | 
| 598 |  | msg.type = type;        /* write and flush the message */ | 
| 599 |  | msg.nbytes = nbytes; | 
| 600 | < | fwrite((char *)&msg, sizeof(MSGHEAD), 1, stdout); | 
| 600 | > | putbinary(&msg, sizeof(MSGHEAD), 1, stdout); | 
| 601 |  | if (nbytes > 0) | 
| 602 | < | fwrite(p, 1, nbytes, stdout); | 
| 602 | > | putbinary(p, 1, nbytes, stdout); | 
| 603 |  | if (fflush(stdout) < 0) | 
| 604 |  | error(SYSTEM, "write error in serv_request"); | 
| 605 |  | } | 
| 606 |  |  | 
| 607 |  |  | 
| 608 |  | void | 
| 609 | < | eputs(s)                        /* put error message to stderr */ | 
| 610 | < | register char  *s; | 
| 609 | > | eputs(                  /* put error message to stderr */ | 
| 610 | > | char  *s | 
| 611 | > | ) | 
| 612 |  | { | 
| 613 |  | static int  midline = 0; | 
| 614 |  |  | 
| 627 |  |  | 
| 628 |  |  | 
| 629 |  | void | 
| 630 | < | quit(code)                      /* clean up and exit */ | 
| 631 | < | int     code; | 
| 630 | > | quit(                   /* clean up and exit */ | 
| 631 | > | int     code | 
| 632 | > | ) | 
| 633 |  | { | 
| 634 |  | if (code) | 
| 635 |  | exit(code); |