larn/savelev.c

   1 /*      $NetBSD: savelev.c,v 1.7 2012/06/19 05:30:44 dholland Exp $     */
   2
   3 /* savelev.c             Larn is copyrighted 1986 by Noah Morgan. */
   4 #include <sys/cdefs.h>
   5 #ifndef lint
   6 __RCSID("$NetBSD: savelev.c,v 1.7 2012/06/19 05:30:44 dholland Exp $");
   7 #endif                          /* not lint */
   8 #include "header.h"
   9 #include "extern.h"
  10
  11 /*
  12  *      routine to save the present level into storage
  13  */
  14 void
  15 savelevel(void)
  16 {
  17         struct cel *pcel;
  18         u_char  *pitem, *pknow, *pmitem;
  19         short *phitp, *piarg;
  20         struct cel *pecel;
  21         pcel = &cell[level * MAXX * MAXY];      /* pointer to this level's
  22                                                  * cells */
  23         pecel = pcel + MAXX * MAXY;     /* pointer to past end of this
  24                                          * level's cells */
  25         pitem = item[0];
  26         piarg = iarg[0];
  27         pknow = know[0];
  28         pmitem = mitem[0];
  29         phitp = hitp[0];
  30         while (pcel < pecel) {
  31                 pcel->mitem = *pmitem++;
  32                 pcel->hitp = *phitp++;
  33                 pcel->item = *pitem++;
  34                 pcel->know = *pknow++;
  35                 pcel->iarg = *piarg++;
  36                 pcel++;
  37         }
  38 }
  39
  40 /*
  41  *      routine to restore a level from storage
  42  */
  43 void
  44 getlevel(void)
  45 {
  46         struct cel *pcel;
  47         u_char  *pitem, *pknow, *pmitem;
  48         short *phitp, *piarg;
  49         struct cel *pecel;
  50         pcel = &cell[level * MAXX * MAXY];      /* pointer to this level's
  51                                                  * cells */
  52         pecel = pcel + MAXX * MAXY;     /* pointer to past end of this
  53                                          * level's cells */
  54         pitem = item[0];
  55         piarg = iarg[0];
  56         pknow = know[0];
  57         pmitem = mitem[0];
  58         phitp = hitp[0];
  59         while (pcel < pecel) {
  60                 *pmitem++ = pcel->mitem;
  61                 *phitp++ = pcel->hitp;
  62                 *pitem++ = pcel->item;
  63                 *pknow++ = pcel->know;
  64                 *piarg++ = pcel->iarg;
  65                 pcel++;
  66         }
  67 }