savelev.c

/* savelev.c */
#include "larncons.h"
#include "larndata.h"
#include "larnfunc.h"




/*
 *  routine to save the present level into storage
 */
void savelevel(void)
{
	struct cel *pcel;
	signed char *pitem, *pknow, *pmitem;
	short *phitp, *piarg;
	struct cel *pecel;
	
	/* pointer to this level's cells */
	pcel = &cell[level * MAXX * MAXY];  
	
	/* pointer to past end of this level's cells */
	pecel = pcel + MAXX * MAXY;
	
	pitem = item[0];
	piarg = iarg[0];
	pknow = know[0];
	pmitem = mitem[0];
	phitp = hitp[0];

	while (pcel < pecel) {

		pcel->mitem  = *pmitem++;
		pcel->hitp   = *phitp++;
		pcel->item   = *pitem++;
		pcel->know   = *pknow++;
		pcel->iarg   = *piarg++;
		pcel++;
	}
}



/*
 * routine to restore a level from storage
 */
void getlevel(void)
{
	struct cel *pcel;
	signed char *pitem;
	signed char *pknow;
	signed char *pmitem;
	short *phitp, *piarg;
	struct cel *pecel;

	/* pointer to this level's cells */
	pcel = &cell[level * MAXX * MAXY];  

	/* pointer to past end of this level's cells */
	pecel = pcel + MAXX * MAXY;
	
	pitem = item[0];
	piarg = iarg[0];
	pknow = know[0];
	pmitem = mitem[0];
	phitp = hitp[0];

	while (pcel < pecel) {
		
		*pmitem++ = pcel->mitem;
		*phitp++ = pcel->hitp;
		*pitem++ = pcel->item;
		*pknow++ = pcel->know;
		*piarg++ = pcel->iarg;
		pcel++;
	}
}