#ifndef lint
static char rcsid[] = "$NetBSD: object.c,v 1.6 1995/04/22 07:34:09 cgd Exp $";
#endif /* not lint */

/*	object.c		Larn is copyrighted 1986 by Noah Morgan. */
#include "header.h"

/*
	***************
	LOOK_FOR_OBJECT
	***************

	subroutine to look for an object and give the player his options
	if an object was found.
 */
lookforobject()
{
register int i,j;
if (c[TIMESTOP])  return;	/* can't find objects is time is stopped	*/
i=item[playerx][playery];	if (i==0) return;
showcell(playerx,playery);  cursors();  yrepcount=0;
switch(i)
	{
	case OGOLDPILE:	case OMAXGOLD:
	case OKGOLD:	case ODGOLD:	lprcat("\n\nYou have found some gold!");	ogold(i);	break;

	case OPOTION:	lprcat("\n\nYou have found a magic potion");
				i = iarg[playerx][playery];
				if (potionname[i][0]!=0)	lprintf(" of%s", potionname[i]);
				opotion(i);  break;

	case OSCROLL:	lprcat("\n\nYou have found a magic scroll");
				i = iarg[playerx][playery];
				if (scrollname[i][0]!=0)	lprintf(" of%s", scrollname[i]);
				oscroll(i);  break;

	case OALTAR:	if (nearbymonst()) return;
					lprcat("\n\nThere is a Holy Altar here!"); oaltar(); break;

	case OBOOK:	lprcat("\n\nYou have found a book."); obook(); break;

	case OCOOKIE:	lprcat("\n\nYou have found a fortune cookie."); ocookie(); break;

	case OTHRONE:	if (nearbymonst()) return;
					lprintf("\n\nThere is %s here!",objectname[i]); othrone(0); break;

	case OTHRONE2:	if (nearbymonst()) return;
					lprintf("\n\nThere is %s here!",objectname[i]); othrone(1); break;

	case ODEADTHRONE: lprintf("\n\nThere is %s here!",objectname[i]); odeadthrone(); break;

	case OORB:		lprcat("\n\nYou have found the Orb!!!!!"); oorb(); break;

	case OPIT:		lprcat("\n\nYou're standing at the top of a pit."); opit(); break;

	case OSTAIRSUP:		lprcat("\n\nThere is a circular staircase here"); ostairs(1);  /* up */ break;

	case OELEVATORUP:	lprcat("\n\nYou feel heavy for a moment, but the feeling disappears");
				oelevator(1);  /*  up  */  break;

	case OFOUNTAIN:	if (nearbymonst()) return;
					lprcat("\n\nThere is a fountain here"); ofountain(); break;

	case OSTATUE:	if (nearbymonst()) return;
					lprcat("\n\nYou are standing in front of a statue"); ostatue(); break;

	case OCHEST:	lprcat("\n\nThere is a chest here");  ochest();  break;

	case OIVTELETRAP:	if (rnd(11)<6) return;
						item[playerx][playery] = OTELEPORTER;
						know[playerx][playery] = 1;

	case OTELEPORTER:	lprcat("\nZaaaappp!  You've been teleported!\n");
						beep(); nap(3000); oteleport(0);
						break; 

	case OSCHOOL:	if (nearbymonst()) return;
				lprcat("\n\nYou have found the College of Larn.");
				lprcat("\nDo you (g) go inside, or (i) stay here? ");
				i=0; while ((i!='g') && (i!='i') && (i!='\33')) i=getchar();
				if (i == 'g') { oschool();  /*	the college of larn	*/ }
				else	lprcat(" stay here");
				break;

	case OMIRROR:	if (nearbymonst()) return;
					lprcat("\n\nThere is a mirror here");	omirror();	break;

	case OBANK2:
	case OBANK:	if (nearbymonst()) return;
				if (i==OBANK) lprcat("\n\nYou have found the bank of Larn.");
				else lprcat("\n\nYou have found a branch office of the bank of Larn.");
				lprcat("\nDo you (g) go inside, or (i) stay here? ");
				j=0; while ((j!='g') && (j!='i') && (j!='\33')) j=getchar();
				if (j == 'g') {  if (i==OBANK) obank(); else obank2(); /*  the bank of larn  */  }
				else   lprcat(" stay here");
				break;

	case ODEADFOUNTAIN:	if (nearbymonst()) return;
						lprcat("\n\nThere is a dead fountain here"); break;

	case ODNDSTORE:	if (nearbymonst()) return;
					lprcat("\n\nThere is a DND store here.");
					lprcat("\nDo you (g) go inside, or (i) stay here? ");
					i=0; while ((i!='g') && (i!='i') && (i!='\33')) i=getchar();
					if (i == 'g')
						dndstore();  /*  the dnd adventurers store  */
					else  lprcat(" stay here");
					break;

	case OSTAIRSDOWN:	lprcat("\n\nThere is a circular staircase here"); ostairs(-1); /* down */ break;

	case OELEVATORDOWN:	lprcat("\n\nYou feel light for a moment, but the feeling disappears");
				oelevator(-1);	/*	down	*/
				break;

	case OOPENDOOR:		lprintf("\n\nYou have found %s",objectname[i]);
						lprcat("\nDo you (c) close it"); iopts();
						i=0; while ((i!='c') && (i!='i') && (i!='\33')) i=getchar();
						if ((i=='\33') || (i=='i')) { ignore();  break; }
						lprcat("close");  forget();
						item[playerx][playery]=OCLOSEDDOOR;
						iarg[playerx][playery]=0;
						playerx = lastpx;  playery = lastpy;
						break;

	case OCLOSEDDOOR:	lprintf("\n\nYou have found %s",objectname[i]);
						lprcat("\nDo you (o) try to open it"); iopts();
						i=0; while ((i!='o') && (i!='i') && (i!='\33')) i=getchar();
						if ((i=='\33') || (i=='i'))
							{ ignore();  playerx = lastpx;
							playery = lastpy; break; }
						else
						{
						lprcat("open");
						if (rnd(11)<7)
						  {
						  switch(iarg[playerx][playery])
							{
							case 6: c[AGGRAVATE] += rnd(400);	break;

							case 7:	lprcat("\nYou are jolted by an electric shock "); 
									lastnum=274; losehp(rnd(20));  bottomline();  break;

							case 8:	loselevel();  break;

							case 9:	lprcat("\nYou suddenly feel weaker ");
									if (c[STRENGTH]>3) c[STRENGTH]--;
									bottomline();  break;

							default:	break;
							}
						  playerx = lastpx;  playery = lastpy;
						  }
						else
						  {
						  forget();  item[playerx][playery]=OOPENDOOR;
						  }
						}
						break;

	case OENTRANCE:	lprcat("\nYou have found "); lprcat(objectname[OENTRANCE]);
					lprcat("\nDo you (g) go inside"); iopts();
					i=0; while ((i!='g') && (i!='i') && (i!='\33')) i=getchar();
					if (i == 'g')
						{
						newcavelevel(1); playerx=33; playery=MAXY-2;
						item[33][MAXY-1]=know[33][MAXY-1]=mitem[33][MAXY-1]=0;
						draws(0,MAXX,0,MAXY); bot_linex(); return;
						}
					else   ignore();
					break;

	case OVOLDOWN:	lprcat("\nYou have found "); lprcat(objectname[OVOLDOWN]);
						lprcat("\nDo you (c) climb down"); iopts();
						i=0; while ((i!='c') && (i!='i') && (i!='\33')) i=getchar();
						if ((i=='\33') || (i=='i')) { ignore();  break; }
					if (level!=0) { lprcat("\nThe shaft only extends 5 feet downward!"); return; }
					if (packweight() > 45+3*(c[STRENGTH]+c[STREXTRA])) { lprcat("\nYou slip and fall down the shaft"); beep();
											  lastnum=275;  losehp(30+rnd(20)); bottomhp(); }
					
					else lprcat("climb down");  nap(3000);  newcavelevel(MAXLEVEL);
					for (i=0; i<MAXY; i++)  for (j=0; j<MAXX; j++) /* put player near volcano shaft */
						if (item[j][i]==OVOLUP) { playerx=j; playery=i; j=MAXX; i=MAXY; positionplayer(); }
					draws(0,MAXX,0,MAXY); bot_linex(); return;

	case OVOLUP:	lprcat("\nYou have found "); lprcat(objectname[OVOLUP]);
						lprcat("\nDo you (c) climb up"); iopts();
						i=0; while ((i!='c') && (i!='i') && (i!='\33')) i=getchar();
						if ((i=='\33') || (i=='i')) { ignore();  break; }
					if (level!=11) { lprcat("\nThe shaft only extends 8 feet upwards before you find a blockage!"); return; }
					if (packweight() > 45+5*(c[STRENGTH]+c[STREXTRA])) { lprcat("\nYou slip and fall down the shaft"); beep();
											  lastnum=275; losehp(15+rnd(20)); bottomhp(); return; }
					lprcat("climb up"); lflush(); nap(3000); newcavelevel(0);
					for (i=0; i<MAXY; i++)  for (j=0; j<MAXX; j++) /* put player near volcano shaft */
						if (item[j][i]==OVOLDOWN) { playerx=j; playery=i; j=MAXX; i=MAXY; positionplayer(); }
					draws(0,MAXX,0,MAXY); bot_linex(); return;

	case OTRAPARROWIV:	if (rnd(17)<13) return;	/* for an arrow trap */
						item[playerx][playery] = OTRAPARROW;
						know[playerx][playery] = 0;

	case OTRAPARROW:	lprcat("\nYou are hit by an arrow"); beep();	/* for an arrow trap */
						lastnum=259;	losehp(rnd(10)+level);
						bottomhp();	return;

	case OIVDARTRAP:	if (rnd(17)<13) return;		/* for a dart trap */
						item[playerx][playery] = ODARTRAP;
						know[playerx][playery] = 0;

	case ODARTRAP:		lprcat("\nYou are hit by a dart"); beep();	/* for a dart trap */
						lastnum=260;	losehp(rnd(5));
						if ((--c[STRENGTH]) < 3) c[STRENGTH] = 3;
						bottomline();	return;

	case OIVTRAPDOOR:	if (rnd(17)<13) return;		/* for a trap door */
						item[playerx][playery] = OTRAPDOOR;
						know[playerx][playery] = 1;

	case OTRAPDOOR:		lastnum = 272; /* a trap door */
						if ((level==MAXLEVEL-1) || (level==MAXLEVEL+MAXVLEVEL-1))
							{ lprcat("\nYou fell through a bottomless trap door!"); beep();  nap(3000);  died(271); }
						lprcat("\nYou fall through a trap door!"); beep();	/* for a trap door */
						losehp(rnd(5+level));
						nap(2000);  newcavelevel(level+1);  draws(0,MAXX,0,MAXY); bot_linex();
						return;


	case OTRADEPOST:	if (nearbymonst()) return;
				lprcat("\nYou have found the Larn trading Post.");
				lprcat("\nDo you (g) go inside, or (i) stay here? ");
				i=0; while ((i!='g') && (i!='i') && (i!='\33')) i=getchar();
				if (i == 'g')  otradepost();  else  lprcat("stay here");
				return;

	case OHOME:	if (nearbymonst()) return;
				lprcat("\nYou have found your way home.");
				lprcat("\nDo you (g) go inside, or (i) stay here? ");
				i=0; while ((i!='g') && (i!='i') && (i!='\33')) i=getchar();
				if (i == 'g')  ohome();  else  lprcat("stay here");
				return;

	case OWALL:	break;

	case OANNIHILATION:	died(283); return; 	/* annihilated by sphere of annihilation */

	case OLRS:	if (nearbymonst()) return;
				lprcat("\n\nThere is an LRS office here.");
				lprcat("\nDo you (g) go inside, or (i) stay here? ");
				i=0; while ((i!='g') && (i!='i') && (i!='\33')) i=getchar();
				if (i == 'g')
					olrs();  /*  the larn revenue service */
				else  lprcat(" stay here");
				break;

	default:	finditem(i); break;
	};
}

/*
	function to say what object we found and ask if player wants to take it
 */
finditem(itm)
	int itm;
	{
	int tmp,i;
	lprintf("\n\nYou have found %s ",objectname[itm]);
	tmp=iarg[playerx][playery];
	switch(itm)
		{
		case ODIAMOND:		case ORUBY:			case OEMERALD:
		case OSAPPHIRE:		case OSPIRITSCARAB:	case OORBOFDRAGON:
		case OCUBEofUNDEAD:	case ONOTHEFT:	break;

		default:
		if (tmp>0) lprintf("+ %d",(long)tmp); else if (tmp<0) lprintf(" %d",(long)tmp);
		}
	lprcat("\nDo you want to (t) take it"); iopts();
	i=0; while (i!='t' && i!='i' && i!='\33') i=getchar();
	if (i == 't')
		{	lprcat("take");  if (take(itm,tmp)==0)  forget();	return;	}
	ignore();
	}


/*
	*******
	OSTAIRS
	*******

	subroutine to process the stair cases
	if dir > 0 the up else down
 */
ostairs(dir)
	int dir;
	{
	register int k;
	lprcat("\nDo you (s) stay here  ");
	if (dir > 0)	lprcat("(u) go up  ");	else	lprcat("(d) go down  ");
	lprcat("or (f) kick stairs? ");

	while (1) switch(getchar())
		{
		case '\33':
		case 's':	case 'i':	lprcat("stay here");	return;

		case 'f':	lprcat("kick stairs");
					if (rnd(2) == 1)
						lprcat("\nI hope you feel better.  Showing anger rids you of frustration.");
					else
						{
						k=rnd((level+1)<<1);
						lprintf("\nYou hurt your foot dumb dumb!  You suffer %d hit points",(long)k);
						lastnum=276;  losehp(k);  bottomline();
						}
					return;

		case 'u':	lprcat("go up");
					if (dir < 0)	lprcat("\nThe stairs don't go up!");
					else
					  if (level>=2 && level!=11)
						{
						k = level;  newcavelevel(level-1);
						draws(0,MAXX,0,MAXY); bot_linex();
						}
					  else lprcat("\nThe stairs lead to a dead end!");
					return;

		case 'd':	lprcat("go down");
					if (dir > 0)	lprcat("\nThe stairs don't go down!");
					else
					  if (level!=0 && level!=10 && level!=13)
						{
						k = level;  newcavelevel(level+1);
						draws(0,MAXX,0,MAXY); bot_linex();
						}
					  else lprcat("\nThe stairs lead to a dead end!");
					return;
		};
	}


/*
	*********
	OTELEPORTER
	*********

	subroutine to handle a teleport trap +/- 1 level maximum
 */
oteleport(err)
	int err;
	{
	register int tmp;
	if (err) if (rnd(151)<3)  died(264);  /*	stuck in a rock */
	c[TELEFLAG]=1;	/*	show ?? on bottomline if been teleported	*/
	if (level==0) tmp=0;
	else if (level < MAXLEVEL)
		{ tmp=rnd(5)+level-3; if (tmp>=MAXLEVEL) tmp=MAXLEVEL-1;
			if (tmp<1) tmp=1; }
	else
		{ tmp=rnd(3)+level-2; if (tmp>=MAXLEVEL+MAXVLEVEL) tmp=MAXLEVEL+MAXVLEVEL-1;
			if (tmp<MAXLEVEL) tmp=MAXLEVEL; }
	playerx = rnd(MAXX-2);	playery = rnd(MAXY-2);
	if (level != tmp)	newcavelevel(tmp);  positionplayer();
	draws(0,MAXX,0,MAXY); bot_linex();
	}

/*
	*******
	OPOTION
	*******

	function to process a potion
 */
opotion(pot)
	int pot;
	{
	lprcat("\nDo you (d) drink it, (t) take it"); iopts();
	while (1) switch(getchar())
		{
		case '\33':
		case 'i':	ignore();  return;

		case 'd':	lprcat("drink\n");	forget();	/*	destroy potion	*/
					quaffpotion(pot);		return;

		case 't':	lprcat("take\n");	if (take(OPOTION,pot)==0)  forget();
					return;
		};
	}
		
/*
	function to drink a potion
 */
quaffpotion(pot)
	int pot;
	{
	register int i,j,k;
	if (pot<0 || pot>=MAXPOTION) return; /* check for within bounds */
	potionname[pot] = potionhide[pot];
	switch(pot)
		{
		case 9: lprcat("\nYou feel greedy . . .");   nap(2000);
				for (i=0; i<MAXY; i++)  for (j=0; j<MAXX; j++)
				  if ((item[j][i]==OGOLDPILE) || (item[j][i]==OMAXGOLD))
					{
					know[j][i]=1; show1cell(j,i);
					}
				showplayer();  return;

		case 19: lprcat("\nYou feel greedy . . .");   nap(2000);
				for (i=0; i<MAXY; i++)  for (j=0; j<MAXX; j++)
					{
					k=item[j][i];
					if ((k==ODIAMOND) || (k==ORUBY) || (k==OEMERALD) || (k==OMAXGOLD)
						 || (k==OSAPPHIRE) || (k==OLARNEYE) || (k==OGOLDPILE))
						 {
						 know[j][i]=1; show1cell(j,i);
						 }
					}
				showplayer();  return;

		case 20: c[HP] = c[HPMAX]; break;	/* instant healing */

		case 1:	lprcat("\nYou feel better");
				if (c[HP] == c[HPMAX])  raisemhp(1);
				else if ((c[HP] += rnd(20)+20+c[LEVEL]) > c[HPMAX]) c[HP]=c[HPMAX];  break;

		case 2:	lprcat("\nSuddenly, you feel much more skillful!");
				raiselevel();  raisemhp(1); return;

		case 3:	lprcat("\nYou feel strange for a moment"); 
				c[rund(6)]++;  break;

		case 4:	lprcat("\nYou feel more self confident!");
				c[WISDOM] += rnd(2);  break;

		case 5:	lprcat("\nWow!  You feel great!");
				if (c[STRENGTH]<12) c[STRENGTH]=12; else c[STRENGTH]++;  break;

		case 6:	lprcat("\nYour charm went up by one!");  c[CHARISMA]++;  break;

		case 8:	lprcat("\nYour intelligence went up by one!");
				c[INTELLIGENCE]++;  break;

		case 10: for (i=0; i<MAXY; i++)  for (j=0; j<MAXX; j++)
				   if (mitem[j][i])
					{
					know[j][i]=1; show1cell(j,i);
					}
				 /*	monster detection	*/  return;

		case 12: lprcat("\nThis potion has no taste to it");  return;

		case 15: lprcat("\nWOW!!!  You feel Super-fantastic!!!");
				 if (c[HERO]==0) for (i=0; i<6; i++) c[i] += 11;
					c[HERO] += 250;  break;

		case 16: lprcat("\nYou have a greater intestinal constitude!");
				 c[CONSTITUTION]++;  break;

		case 17: lprcat("\nYou now have incredibly bulging muscles!!!");
				 if (c[GIANTSTR]==0) c[STREXTRA] += 21;
				 c[GIANTSTR] += 700;  break;

		case 18: lprcat("\nYou feel a chill run up your spine!");
				 c[FIRERESISTANCE] += 1000;  break;

		case 0:	lprcat("\nYou fall asleep. . .");
				i=rnd(11)-(c[CONSTITUTION]>>2)+2;  while(--i>0) { parse2();  nap(1000); }
				cursors();  lprcat("\nYou woke up!");  return;

		case 7:	lprcat("\nYou become dizzy!");
				if (--c[STRENGTH] < 3) c[STRENGTH]=3;  break;

		case 11: lprcat("\nYou stagger for a moment . .");
				 for (i=0; i<MAXY; i++)  for (j=0; j<MAXX; j++)
					know[j][i]=0;
				 nap(2000);	draws(0,MAXX,0,MAXY); /* potion of forgetfulness */  return;

		case 13: lprcat("\nYou can't see anything!");  /* blindness */
				 c[BLINDCOUNT]+=500;  return;

		case 14: lprcat("\nYou feel confused"); c[CONFUSE]+= 20+rnd(9); return;

		case 21: lprcat("\nYou don't seem to be affected");  return; /* cure dianthroritis */

		case 22: lprcat("\nYou feel a sickness engulf you"); /* poison */
				 c[HALFDAM] += 200 + rnd(200);  return;

		case 23: lprcat("\nYou feel your vision sharpen");	/* see invisible */
				 c[SEEINVISIBLE] += rnd(1000)+400;
				 monstnamelist[INVISIBLESTALKER] = 'I';  return;
		};
	bottomline();		/*	show new stats		*/  return;
	}

/*
	*******
	OSCROLL
	*******

	function to process a magic scroll
 */
oscroll(typ)
	int typ;
	{
	lprcat("\nDo you ");
	if (c[BLINDCOUNT]==0) lprcat("(r) read it, "); lprcat("(t) take it"); iopts();
	while (1) switch(getchar())
		{
		case '\33':
		case 'i':	ignore();  return;

		case 'r':	if (c[BLINDCOUNT]) break;
					lprcat("read"); forget();
					if (typ==2 || typ==15)  { show1cell(playerx,playery); cursors(); }
					/*	destroy it	*/	read_scroll(typ);  return;

		case 't':	lprcat("take"); if (take(OSCROLL,typ)==0)	forget();	/*	destroy it	*/
					return;
		};
	}

/*
	data for the function to read a scroll
 */
static int xh,yh,yl,xl;
static char curse[] = { BLINDCOUNT, CONFUSE, AGGRAVATE, HASTEMONST, ITCHING,
	LAUGHING, DRAINSTRENGTH, CLUMSINESS, INFEEBLEMENT, HALFDAM };
static char exten[] = { PROTECTIONTIME, DEXCOUNT, STRCOUNT, CHARMCOUNT,
	INVISIBILITY, CANCELLATION, HASTESELF, GLOBE, SCAREMONST, HOLDMONST, TIMESTOP };
char time_change[] = { HASTESELF,HERO,ALTPRO,PROTECTIONTIME,DEXCOUNT,
	STRCOUNT,GIANTSTR,CHARMCOUNT,INVISIBILITY,CANCELLATION,
	HASTESELF,AGGRAVATE,SCAREMONST,STEALTH,AWARENESS,HOLDMONST,HASTEMONST,
	FIRERESISTANCE,GLOBE,SPIRITPRO,UNDEADPRO,HALFDAM,SEEINVISIBLE,
	ITCHING,CLUMSINESS, WTW };
/*
 *	function to adjust time when time warping and taking courses in school
 */
adjtime(tim)
	register long tim;
	{
	register int j;
	for (j=0; j<26; j++)	/* adjust time related parameters */
		if (c[time_change[j]])
			if ((c[time_change[j]] -= tim) < 1) c[time_change[j]]=1;
	regen();
	}

/*
	function to read a scroll
 */
read_scroll(typ)
	int typ;
	{
	register int i,j;
	if (typ<0 || typ>=MAXSCROLL) return;  /* be sure we are within bounds */
	scrollname[typ] = scrollhide[typ];
	switch(typ)
	  {
	  case 0:	lprcat("\nYour armor glows for a moment");  enchantarmor(); return;

	  case 1:	lprcat("\nYour weapon glows for a moment"); enchweapon(); return;  /* enchant weapon */

	  case 2:	lprcat("\nYou have been granted enlightenment!");
				yh = min(playery+7,MAXY);	xh = min(playerx+25,MAXX);
				yl = max(playery-7,0);		xl = max(playerx-25,0);
				for (i=yl; i<yh; i++) for (j=xl; j<xh; j++)  know[j][i]=1;
				nap(2000);	draws(xl,xh,yl,yh);	return;

	  case 3:	lprcat("\nThis scroll seems to be blank");	return;

	  case 4:	createmonster(makemonst(level+1));  return;  /*  this one creates a monster  */

	  case 5:	something(level);	/*	create artifact		*/  return;

	  case 6:	c[AGGRAVATE]+=800; return; /* aggravate monsters */

	  case 7:	gltime += (i = rnd(1000) - 850); /* time warp */ 
				if (i>=0) lprintf("\nYou went forward in time by %d mobuls",(long)((i+99)/100));
				else lprintf("\nYou went backward in time by %d mobuls",(long)(-(i+99)/100));
				adjtime((long)i);	/* adjust time for time warping */
				return;

	  case 8:	oteleport(0);	  return;	/*	teleportation */

	  case 9:	c[AWARENESS] += 1800;  return;	/* expanded awareness	*/

	  case 10:	c[HASTEMONST] += rnd(55)+12; return;	/* haste monster */

	  case 11:	for (i=0; i<MAXY; i++)  for (j=0; j<MAXX; j++)
					if (mitem[j][i])
						hitp[j][i] = monster[mitem[j][i]].hitpoints;
				return;	/* monster healing */
	  case 12:	c[SPIRITPRO] += 300 + rnd(200); bottomline(); return; /* spirit protection */

	  case 13:	c[UNDEADPRO] += 300 + rnd(200); bottomline(); return; /* undead protection */

	  case 14:	c[STEALTH] += 250 + rnd(250);  bottomline(); return; /* stealth */

	  case 15:	lprcat("\nYou have been granted enlightenment!"); /* magic mapping */
				for (i=0; i<MAXY; i++) for (j=0; j<MAXX; j++)  know[j][i]=1;
				nap(2000);	draws(0,MAXX,0,MAXY);	return;

	  case 16:	c[HOLDMONST] += 30; bottomline(); return; /* hold monster */

	  case 17:	for (i=0; i<26; i++)	/* gem perfection */
					switch(iven[i])
						{
						case ODIAMOND:	case ORUBY:
						case OEMERALD:	case OSAPPHIRE:
							j = ivenarg[i];  j &= 255;  j <<= 1;
							if (j  > 255) j=255; /* double value */
							ivenarg[i] = j;	break;
						}
				break;

	  case 18:	for (i=0; i<11; i++)	c[exten[i]] <<= 1; /* spell extension */
				break;

	  case 19:	for (i=0; i<26; i++)	/* identify */
					{
					if (iven[i]==OPOTION)  potionname[ivenarg[i]] = potionhide[ivenarg[i]];
					if (iven[i]==OSCROLL)  scrollname[ivenarg[i]] = scrollhide[ivenarg[i]];
					}
				break;

	  case 20:	for (i=0; i<10; i++)	/* remove curse */
					if (c[curse[i]]) c[curse[i]] = 1;
				break;

	  case 21:	annihilate();	break;	/* scroll of annihilation */

	  case 22:	godirect(22,150,"The ray hits the %s",0,' ');	/* pulverization */
				break;
	  case 23:  c[LIFEPROT]++;  break; /* life protection */
	  };
	}


oorb()
	{
	}

opit()
	{
	register int i;
	if (rnd(101)<81)
	  if (rnd(70) > 9*c[DEXTERITY]-packweight() || rnd(101)<5)
		if (level==MAXLEVEL-1) obottomless(); else
		if (level==MAXLEVEL+MAXVLEVEL-1) obottomless(); else
			{
			if (rnd(101)<20)
				{
				i=0; lprcat("\nYou fell into a pit!  Your fall is cushioned by an unknown force\n");
				}
			else
				{
				i = rnd(level*3+3);
				lprintf("\nYou fell into a pit!  You suffer %d hit points damage",(long)i);
				lastnum=261; 	/*	if he dies scoreboard will say so */
				}
			losehp(i); nap(2000);  newcavelevel(level+1);  draws(0,MAXX,0,MAXY);
			}
	}

obottomless()
	{
	lprcat("\nYou fell into a bottomless pit!");  beep(); nap(3000);  died(262);
	}
oelevator(dir)
	int dir;
	{
#ifdef lint
	int x;
	x=dir;
	dir=x;
#endif lint
	}

ostatue()
	{
	}

omirror()
	{
	}

obook()
	{
	lprcat("\nDo you ");
	if (c[BLINDCOUNT]==0) lprcat("(r) read it, "); lprcat("(t) take it"); iopts();
	while (1) switch(getchar())
		{
		case '\33':
		case 'i':	ignore();	return;

		case 'r':	if (c[BLINDCOUNT]) break;
					lprcat("read");
					/* no more book	*/	readbook(iarg[playerx][playery]);  forget(); return;

		case 't':	lprcat("take");  if (take(OBOOK,iarg[playerx][playery])==0)  forget();	/* no more book	*/
					return;
		};
	}

/*
	function to read a book
 */
readbook(lev)
	register int lev;
	{
	register int i,tmp;
	if (lev<=3) i = rund((tmp=splev[lev])?tmp:1); else
		i = rnd((tmp=splev[lev]-9)?tmp:1) + 9;
	spelknow[i]=1;
	lprintf("\nSpell \"%s\":  %s\n%s",spelcode[i],spelname[i],speldescript[i]);
	if (rnd(10)==4)
	 { lprcat("\nYour int went up by one!"); c[INTELLIGENCE]++; bottomline(); }
	}

ocookie()
	{
	char *p;
	lprcat("\nDo you (e) eat it, (t) take it"); iopts();
	while (1) switch(getchar())
		{
		case '\33':
		case 'i':	ignore();	return;

		case 'e':	lprcat("eat\nThe cookie tasted good.");
					forget(); /* no more cookie	*/
					if (c[BLINDCOUNT]) return;
					if (!(p=fortune())) return;
					lprcat("  A message inside the cookie reads:\n"); lprcat(p);
					return;

		case 't':	lprcat("take");  if (take(OCOOKIE,0)==0) forget();	/* no more book	*/
					return;
		};
	}


/* routine to pick up some gold -- if arg==OMAXGOLD then the pile is worth 100* the argument */
ogold(arg)
	int arg;
	{
	register long i;
	i = iarg[playerx][playery];
	if (arg==OMAXGOLD) i *= 100;
		else if (arg==OKGOLD) i *= 1000;
			else if (arg==ODGOLD) i *= 10;
	lprintf("\nIt is worth %d!",(long)i);	c[GOLD] += i;  bottomgold();
	item[playerx][playery] = know[playerx][playery] = 0; /*	destroy gold	*/
	}

ohome()
	{
	register int i;
	nosignal = 1;	/* disable signals */
	for (i=0; i<26; i++) if (iven[i]==OPOTION) if (ivenarg[i]==21)
		{
		iven[i]=0;	/* remove the potion of cure dianthroritis from inventory */
		clear(); lprcat("Congratulations.  You found a potion of cure dianthroritis.\n");
		lprcat("\nFrankly, No one thought you could do it.  Boy!  Did you surprise them!\n");
		if (gltime>TIMELIMIT)
			{
			lprcat("\nThe doctor has the sad duty to inform you that your daughter died!\n");
			lprcat("You didn't make it in time.  In your agony, you kill the doctor,\nyour wife, and yourself!  Too bad!\n");
			nap(5000); died(269);
			}
		else
			{
			lprcat("\nThe doctor is now administering the potion, and in a few moments\n");
			lprcat("Your daughter should be well on her way to recovery.\n");
			nap(6000);
			lprcat("\nThe potion is"); nap(3000); lprcat(" working!  The doctor thinks that\n");
			lprcat("your daughter will recover in a few days.  Congratulations!\n");
			beep(); nap(5000); died(263);
			}
		}

	while (1)
		{
		clear(); lprintf("Welcome home %s.  Latest word from the doctor is not good.\n",logname);

		if (gltime>TIMELIMIT)
			{
			lprcat("\nThe doctor has the sad duty to inform you that your daughter died!\n");
			lprcat("You didn't make it in time.  In your agony, you kill the doctor,\nyour wife, and yourself!  Too bad!\n");
			nap(5000); died(269);
			}

		lprcat("\nThe diagnosis is confirmed as dianthroritis.  He guesses that\n");
		lprintf("your daughter has only %d mobuls left in this world.  It's up to you,\n",(long)((TIMELIMIT-gltime+99)/100));
		lprintf("%s, to find the only hope for your daughter, the very rare\n",logname);
		lprcat("potion of cure dianthroritis.  It is rumored that only deep in the\n");
		lprcat("depths of the caves can this potion be found.\n\n\n");
		lprcat("\n     ----- press "); standout("return");
		lprcat(" to continue, "); standout("escape");
		lprcat(" to leave ----- ");
		i=getchar();  while (i!='\33' && i!='\n') i=getchar();
		if (i=='\33') { drawscreen(); nosignal = 0; /* enable signals */ return; }
		}
	}

/*	routine to save program space	*/
iopts()
	{	lprcat(", or (i) ignore it? ");	}
ignore()
	{	lprcat("ignore\n");	}