larn/savelev.c

   1 #ifndef lint
   2 static char rcsid[] = "$NetBSD: savelev.c,v 1.3 1995/03/23 08:34:13 cgd Exp $";
   3 #endif /* not lint */
   4
   5 /* savelev.c             Larn is copyrighted 1986 by Noah Morgan. */
   6 #include "header.h"
   7 extern struct cel *cell;
   8
   9 /*
  10  *      routine to save the present level into storage
  11  */
  12 savelevel()
  13         {
  14         register struct cel *pcel;
  15         register char *pitem,*pknow,*pmitem;
  16         register short *phitp,*piarg;
  17         register struct cel *pecel;
  18         pcel = &cell[level*MAXX*MAXY];  /* pointer to this level's cells */
  19         pecel = pcel + MAXX*MAXY;       /* pointer to past end of this level's cells */
  20         pitem=item[0]; piarg=iarg[0]; pknow=know[0]; pmitem=mitem[0]; phitp=hitp[0];
  21         while (pcel < pecel)
  22                 {
  23                 pcel->mitem  = *pmitem++;
  24                 pcel->hitp   = *phitp++;
  25                 pcel->item   = *pitem++;
  26                 pcel->know   = *pknow++;
  27                 pcel++->iarg = *piarg++;
  28                 }
  29         }
  30
  31 /*
  32  *      routine to restore a level from storage
  33  */
  34 getlevel()
  35         {
  36         register struct cel *pcel;
  37         register char *pitem,*pknow,*pmitem;
  38         register short *phitp,*piarg;
  39         register struct cel *pecel;
  40         pcel = &cell[level*MAXX*MAXY];  /* pointer to this level's cells */
  41         pecel = pcel + MAXX*MAXY;       /* pointer to past end of this level's cells */
  42         pitem=item[0]; piarg=iarg[0]; pknow=know[0]; pmitem=mitem[0]; phitp=hitp[0];
  43         while (pcel < pecel)
  44                 {
  45                 *pmitem++ = pcel->mitem;
  46                 *phitp++ = pcel->hitp;
  47                 *pitem++ = pcel->item;
  48                 *pknow++ = pcel->know;
  49                 *piarg++ = pcel++->iarg;
  50                 }
  51         }