From 77e3814f0c0e3dea4d0032e25666f77e6f83bfff Mon Sep 17 00:00:00 2001
From: cgd <cgd@NetBSD.org>
Date: Sun, 21 Mar 1993 09:45:37 +0000
Subject: initial import of 386bsd-0.1 sources

---
 hack/hack.zap.c | 642 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 642 insertions(+)
 create mode 100644 hack/hack.zap.c

(limited to 'hack/hack.zap.c')

diff --git a/hack/hack.zap.c b/hack/hack.zap.c
new file mode 100644
index 00000000..e1472b56
--- /dev/null
+++ b/hack/hack.zap.c
@@ -0,0 +1,642 @@
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.zap.c - version 1.0.3 */
+
+#include "hack.h"
+
+extern struct obj *mkobj_at();
+extern struct monst *makemon(), *mkmon_at(), youmonst;
+struct monst *bhit();
+char *exclam();
+
+char *fl[]= {
+	"magic missile",
+	"bolt of fire",
+	"sleep ray",
+	"bolt of cold",
+	"death ray"
+};
+
+/* Routines for IMMEDIATE wands. */
+/* bhitm: monster mtmp was hit by the effect of wand otmp */
+bhitm(mtmp, otmp)
+register struct monst *mtmp;
+register struct obj *otmp;
+{
+	wakeup(mtmp);
+	switch(otmp->otyp) {
+	case WAN_STRIKING:
+		if(u.uswallow || rnd(20) < 10+mtmp->data->ac) {
+			register int tmp = d(2,12);
+			hit("wand", mtmp, exclam(tmp));
+			mtmp->mhp -= tmp;
+			if(mtmp->mhp < 1) killed(mtmp);
+		} else miss("wand", mtmp);
+		break;
+	case WAN_SLOW_MONSTER:
+		mtmp->mspeed = MSLOW;
+		break;
+	case WAN_SPEED_MONSTER:
+		mtmp->mspeed = MFAST;
+		break;
+	case WAN_UNDEAD_TURNING:
+		if(index(UNDEAD,mtmp->data->mlet)) {
+			mtmp->mhp -= rnd(8);
+			if(mtmp->mhp < 1) killed(mtmp);
+			else mtmp->mflee = 1;
+		}
+		break;
+	case WAN_POLYMORPH:
+		if( newcham(mtmp,&mons[rn2(CMNUM)]) )
+			objects[otmp->otyp].oc_name_known = 1;
+		break;
+	case WAN_CANCELLATION:
+		mtmp->mcan = 1;
+		break;
+	case WAN_TELEPORTATION:
+		rloc(mtmp);
+		break;
+	case WAN_MAKE_INVISIBLE:
+		mtmp->minvis = 1;
+		break;
+#ifdef WAN_PROBING
+	case WAN_PROBING:
+		mstatusline(mtmp);
+		break;
+#endif WAN_PROBING
+	default:
+		impossible("What an interesting wand (%u)", otmp->otyp);
+	}
+}
+
+bhito(obj, otmp)	/* object obj was hit by the effect of wand otmp */
+register struct obj *obj, *otmp;	/* returns TRUE if sth was done */
+{
+	register int res = TRUE;
+
+	if(obj == uball || obj == uchain)
+		res = FALSE;
+	else
+	switch(otmp->otyp) {
+	case WAN_POLYMORPH:
+		/* preserve symbol and quantity, but turn rocks into gems */
+		mkobj_at((obj->otyp == ROCK || obj->otyp == ENORMOUS_ROCK)
+			? GEM_SYM : obj->olet,
+			obj->ox, obj->oy) -> quan = obj->quan;
+		delobj(obj);
+		break;
+	case WAN_STRIKING:
+		if(obj->otyp == ENORMOUS_ROCK)
+			fracture_rock(obj);
+		else
+			res = FALSE;
+		break;
+	case WAN_CANCELLATION:
+		if(obj->spe && obj->olet != AMULET_SYM) {
+			obj->known = 0;
+			obj->spe = 0;
+		}
+		break;
+	case WAN_TELEPORTATION:
+		rloco(obj);
+		break;
+	case WAN_MAKE_INVISIBLE:
+		obj->oinvis = 1;
+		break;
+	case WAN_UNDEAD_TURNING:
+		res = revive(obj);
+		break;
+	case WAN_SLOW_MONSTER:		/* no effect on objects */
+	case WAN_SPEED_MONSTER:
+#ifdef WAN_PROBING
+	case WAN_PROBING:
+#endif WAN_PROBING
+		res = FALSE;
+		break;
+	default:
+		impossible("What an interesting wand (%u)", otmp->otyp);
+	}
+	return(res);
+}
+
+dozap()
+{
+	register struct obj *obj;
+	xchar zx,zy;
+
+	obj = getobj("/", "zap");
+	if(!obj) return(0);
+	if(obj->spe < 0 || (obj->spe == 0 && rn2(121))) {
+		pline("Nothing Happens.");
+		return(1);
+	}
+	if(obj->spe == 0)
+		pline("You wrest one more spell from the worn-out wand.");
+	if(!(objects[obj->otyp].bits & NODIR) && !getdir(1))
+		return(1);	/* make him pay for knowing !NODIR */
+	obj->spe--;
+	if(objects[obj->otyp].bits & IMMEDIATE) {
+		if(u.uswallow)
+			bhitm(u.ustuck, obj);
+		else if(u.dz) {
+			if(u.dz > 0) {
+				register struct obj *otmp = o_at(u.ux, u.uy);
+				if(otmp)
+					(void) bhito(otmp, obj);
+			}
+		} else
+			(void) bhit(u.dx,u.dy,rn1(8,6),0,bhitm,bhito,obj);
+	} else {
+	    switch(obj->otyp){
+		case WAN_LIGHT:
+			litroom(TRUE);
+			break;
+		case WAN_SECRET_DOOR_DETECTION:
+			if(!findit()) return(1);
+			break;
+		case WAN_CREATE_MONSTER:
+			{ register int cnt = 1;
+			if(!rn2(23)) cnt += rn2(7) + 1;
+			while(cnt--)
+			    (void) makemon((struct permonst *) 0, u.ux, u.uy);
+			}
+			break;
+		case WAN_WISHING:
+			{ char buf[BUFSZ];
+			  register struct obj *otmp;
+			  extern struct obj *readobjnam(), *addinv();
+		      if(u.uluck + rn2(5) < 0) {
+			pline("Unfortunately, nothing happens.");
+			break;
+		      }
+		      pline("You may wish for an object. What do you want? ");
+		      getlin(buf);
+		      if(buf[0] == '\033') buf[0] = 0;
+		      otmp = readobjnam(buf);
+		      otmp = addinv(otmp);
+		      prinv(otmp);
+		      break;
+			}
+		case WAN_DIGGING:
+			/* Original effect (approximately):
+			 * from CORR: dig until we pierce a wall
+			 * from ROOM: piece wall and dig until we reach
+			 * an ACCESSIBLE place.
+			 * Currently: dig for digdepth positions;
+			 * also down on request of Lennart Augustsson.
+			 */
+			{ register struct rm *room;
+			  register int digdepth;
+			if(u.uswallow) {
+				register struct monst *mtmp = u.ustuck;
+
+				pline("You pierce %s's stomach wall!",
+					monnam(mtmp));
+				mtmp->mhp = 1;	/* almost dead */
+				unstuck(mtmp);
+				mnexto(mtmp);
+				break;
+			}
+			if(u.dz) {
+			    if(u.dz < 0) {
+				pline("You loosen a rock from the ceiling.");
+				pline("It falls on your head!");
+				losehp(1, "falling rock");
+				mksobj_at(ROCK, u.ux, u.uy);
+				fobj->quan = 1;
+				stackobj(fobj);
+				if(Invisible) newsym(u.ux, u.uy);
+			    } else {
+				dighole();
+			    }
+			    break;
+			}
+			zx = u.ux+u.dx;
+			zy = u.uy+u.dy;
+			digdepth = 8 + rn2(18);
+			Tmp_at(-1, '*');	/* open call */
+			while(--digdepth >= 0) {
+				if(!isok(zx,zy)) break;
+				room = &levl[zx][zy];
+				Tmp_at(zx,zy);
+				if(!xdnstair){
+					if(zx < 3 || zx > COLNO-3 ||
+					    zy < 3 || zy > ROWNO-3)
+						break;
+					if(room->typ == HWALL ||
+					    room->typ == VWALL){
+						room->typ = ROOM;
+						break;
+					}
+				} else
+				if(room->typ == HWALL || room->typ == VWALL ||
+				   room->typ == SDOOR || room->typ == LDOOR){
+					room->typ = DOOR;
+					digdepth -= 2;
+				} else
+				if(room->typ == SCORR || !room->typ) {
+					room->typ = CORR;
+					digdepth--;
+				}
+				mnewsym(zx,zy);
+				zx += u.dx;
+				zy += u.dy;
+			}
+			mnewsym(zx,zy);	/* not always necessary */
+			Tmp_at(-1,-1);	/* closing call */
+			break;
+			}
+		default:
+			buzz((int) obj->otyp - WAN_MAGIC_MISSILE,
+				u.ux, u.uy, u.dx, u.dy);
+			break;
+		}
+		if(!objects[obj->otyp].oc_name_known) {
+			objects[obj->otyp].oc_name_known = 1;
+			more_experienced(0,10);
+		}
+	}
+	return(1);
+}
+
+char *
+exclam(force)
+register int force;
+{
+	/* force == 0 occurs e.g. with sleep ray */
+	/* note that large force is usual with wands so that !! would
+		require information about hand/weapon/wand */
+	return( (force < 0) ? "?" : (force <= 4) ? "." : "!" );
+}
+
+hit(str,mtmp,force)
+register char *str;
+register struct monst *mtmp;
+register char *force;		/* usually either "." or "!" */
+{
+	if(!cansee(mtmp->mx,mtmp->my)) pline("The %s hits it.", str);
+	else pline("The %s hits %s%s", str, monnam(mtmp), force);
+}
+
+miss(str,mtmp)
+register char *str;
+register struct monst *mtmp;
+{
+	if(!cansee(mtmp->mx,mtmp->my)) pline("The %s misses it.",str);
+	else pline("The %s misses %s.",str,monnam(mtmp));
+}
+
+/* bhit: called when a weapon is thrown (sym = obj->olet) or when an
+   IMMEDIATE wand is zapped (sym = 0); the weapon falls down at end of
+   range or when a monster is hit; the monster is returned, and bhitpos
+   is set to the final position of the weapon thrown; the ray of a wand
+   may affect several objects and monsters on its path - for each of
+   these an argument function is called. */
+/* check !u.uswallow before calling bhit() */
+
+struct monst *
+bhit(ddx,ddy,range,sym,fhitm,fhito,obj)
+register int ddx,ddy,range;		/* direction and range */
+char sym;				/* symbol displayed on path */
+int (*fhitm)(), (*fhito)();		/* fns called when mon/obj hit */
+struct obj *obj;			/* 2nd arg to fhitm/fhito */
+{
+	register struct monst *mtmp;
+	register struct obj *otmp;
+	register int typ;
+
+	bhitpos.x = u.ux;
+	bhitpos.y = u.uy;
+
+	if(sym) tmp_at(-1, sym);	/* open call */
+	while(range-- > 0) {
+		bhitpos.x += ddx;
+		bhitpos.y += ddy;
+		typ = levl[bhitpos.x][bhitpos.y].typ;
+		if(mtmp = m_at(bhitpos.x,bhitpos.y)){
+			if(sym) {
+				tmp_at(-1, -1);	/* close call */
+				return(mtmp);
+			}
+			(*fhitm)(mtmp, obj);
+			range -= 3;
+		}
+		if(fhito && (otmp = o_at(bhitpos.x,bhitpos.y))){
+			if((*fhito)(otmp, obj))
+				range--;
+		}
+		if(!ZAP_POS(typ)) {
+			bhitpos.x -= ddx;
+			bhitpos.y -= ddy;
+			break;
+		}
+		if(sym) tmp_at(bhitpos.x, bhitpos.y);
+	}
+
+	/* leave last symbol unless in a pool */
+	if(sym)
+	   tmp_at(-1, (levl[bhitpos.x][bhitpos.y].typ == POOL) ? -1 : 0);
+	return(0);
+}
+
+struct monst *
+boomhit(dx,dy) {
+	register int i, ct;
+	register struct monst *mtmp;
+	char sym = ')';
+	extern schar xdir[], ydir[];
+
+	bhitpos.x = u.ux;
+	bhitpos.y = u.uy;
+
+	for(i=0; i<8; i++) if(xdir[i] == dx && ydir[i] == dy) break;
+	tmp_at(-1, sym);	/* open call */
+	for(ct=0; ct<10; ct++) {
+		if(i == 8) i = 0;
+		sym = ')' + '(' - sym;
+		tmp_at(-2, sym);	/* change let call */
+		dx = xdir[i];
+		dy = ydir[i];
+		bhitpos.x += dx;
+		bhitpos.y += dy;
+		if(mtmp = m_at(bhitpos.x, bhitpos.y)){
+			tmp_at(-1,-1);
+			return(mtmp);
+		}
+		if(!ZAP_POS(levl[bhitpos.x][bhitpos.y].typ)) {
+			bhitpos.x -= dx;
+			bhitpos.y -= dy;
+			break;
+		}
+		if(bhitpos.x == u.ux && bhitpos.y == u.uy) { /* ct == 9 */
+			if(rn2(20) >= 10+u.ulevel){	/* we hit ourselves */
+				(void) thitu(10, rnd(10), "boomerang");
+				break;
+			} else {	/* we catch it */
+				tmp_at(-1,-1);
+				pline("Skillfully, you catch the boomerang.");
+				return(&youmonst);
+			}
+		}
+		tmp_at(bhitpos.x, bhitpos.y);
+		if(ct % 5 != 0) i++;
+	}
+	tmp_at(-1, -1);	/* do not leave last symbol */
+	return(0);
+}
+
+char
+dirlet(dx,dy) register dx,dy; {
+	return
+		(dx == dy) ? '\\' : (dx && dy) ? '/' : dx ? '-' : '|';
+}
+
+/* type == -1: monster spitting fire at you */
+/* type == -1,-2,-3: bolts sent out by wizard */
+/* called with dx = dy = 0 with vertical bolts */
+buzz(type,sx,sy,dx,dy)
+register int type;
+register xchar sx,sy;
+register int dx,dy;
+{
+	int abstype = abs(type);
+	register char *fltxt = (type == -1) ? "blaze of fire" : fl[abstype];
+	struct rm *lev;
+	xchar range;
+	struct monst *mon;
+
+	if(u.uswallow) {
+		register int tmp;
+
+		if(type < 0) return;
+		tmp = zhit(u.ustuck, type);
+		pline("The %s rips into %s%s",
+			fltxt, monnam(u.ustuck), exclam(tmp));
+		return;
+	}
+	if(type < 0) pru();
+	range = rn1(7,7);
+	Tmp_at(-1, dirlet(dx,dy));	/* open call */
+	while(range-- > 0) {
+		sx += dx;
+		sy += dy;
+		if((lev = &levl[sx][sy])->typ) Tmp_at(sx,sy);
+		else {
+			int bounce = 0;
+			if(cansee(sx-dx,sy-dy))
+				pline("The %s bounces!", fltxt);
+			if(ZAP_POS(levl[sx][sy-dy].typ))
+				bounce = 1;
+			if(ZAP_POS(levl[sx-dx][sy].typ)) {
+				if(!bounce || rn2(2)) bounce = 2;
+			}
+			switch(bounce){
+			case 0:
+				dx = -dx;
+				dy = -dy;
+				continue;
+			case 1:
+				dy = -dy;
+				sx -= dx;
+				break;
+			case 2:
+				dx = -dx;
+				sy -= dy;
+				break;
+			}
+			Tmp_at(-2,dirlet(dx,dy));
+			continue;
+		}
+		if(lev->typ == POOL && abstype == 1 /* fire */) {
+			range -= 3;
+			lev->typ = ROOM;
+			if(cansee(sx,sy)) {
+				mnewsym(sx,sy);
+				pline("The water evaporates.");
+			} else
+				pline("You hear a hissing sound.");
+		}
+		if((mon = m_at(sx,sy)) &&
+		   (type != -1 || mon->data->mlet != 'D')) {
+			wakeup(mon);
+			if(rnd(20) < 18 + mon->data->ac) {
+				register int tmp = zhit(mon,abstype);
+				if(mon->mhp < 1) {
+					if(type < 0) {
+					    if(cansee(mon->mx,mon->my))
+					      pline("%s is killed by the %s!",
+						Monnam(mon), fltxt);
+					    mondied(mon);
+					} else
+					    killed(mon);
+				} else
+					hit(fltxt, mon, exclam(tmp));
+				range -= 2;
+			} else
+				miss(fltxt,mon);
+		} else if(sx == u.ux && sy == u.uy) {
+			nomul(0);
+			if(rnd(20) < 18+u.uac) {
+				register int dam = 0;
+				range -= 2;
+				pline("The %s hits you!",fltxt);
+				switch(abstype) {
+				case 0:
+					dam = d(2,6);
+					break;
+				case 1:
+					if(Fire_resistance)
+						pline("You don't feel hot!");
+					else dam = d(6,6);
+					if(!rn2(3))
+						burn_scrolls();
+					break;
+				case 2:
+					nomul(-rnd(25)); /* sleep ray */
+					break;
+				case 3:
+					if(Cold_resistance)
+						pline("You don't feel cold!");
+					else dam = d(6,6);
+					break;
+				case 4:
+					u.uhp = -1;
+				}
+				losehp(dam,fltxt);
+			} else pline("The %s whizzes by you!",fltxt);
+			stop_occupation();
+		}
+		if(!ZAP_POS(lev->typ)) {
+			int bounce = 0, rmn;
+			if(cansee(sx,sy)) pline("The %s bounces!",fltxt);
+			range--;
+			if(!dx || !dy || !rn2(20)){
+				dx = -dx;
+				dy = -dy;
+			} else {
+			  if(ZAP_POS(rmn = levl[sx][sy-dy].typ) &&
+			    (IS_ROOM(rmn) || ZAP_POS(levl[sx+dx][sy-dy].typ)))
+				bounce = 1;
+			  if(ZAP_POS(rmn = levl[sx-dx][sy].typ) &&
+			    (IS_ROOM(rmn) || ZAP_POS(levl[sx-dx][sy+dy].typ)))
+				if(!bounce || rn2(2))
+					bounce = 2;
+
+			  switch(bounce){
+			  case 0:
+				dy = -dy;
+				dx = -dx;
+				break;
+			  case 1:
+				dy = -dy;
+				break;
+			  case 2:
+				dx = -dx;
+				break;
+			  }
+			  Tmp_at(-2, dirlet(dx,dy));
+			}
+		}
+	}
+	Tmp_at(-1,-1);
+}
+
+zhit(mon,type)			/* returns damage to mon */
+register struct monst *mon;
+register type;
+{
+	register int tmp = 0;
+
+	switch(type) {
+	case 0:			/* magic missile */
+		tmp = d(2,6);
+		break;
+	case -1:		/* Dragon blazing fire */
+	case 1:			/* fire */
+		if(index("Dg", mon->data->mlet)) break;
+		tmp = d(6,6);
+		if(index("YF", mon->data->mlet)) tmp += 7;
+		break;
+	case 2:			/* sleep*/
+		mon->mfroz = 1;
+		break;
+	case 3:			/* cold */
+		if(index("YFgf", mon->data->mlet)) break;
+		tmp = d(6,6);
+		if(mon->data->mlet == 'D') tmp += 7;
+		break;
+	case 4:			/* death*/
+		if(index(UNDEAD, mon->data->mlet)) break;
+		tmp = mon->mhp+1;
+		break;
+	}
+	mon->mhp -= tmp;
+	return(tmp);
+}
+
+#define	CORPSE_I_TO_C(otyp)	(char) ((otyp >= DEAD_ACID_BLOB)\
+		     ?  'a' + (otyp - DEAD_ACID_BLOB)\
+		     :	'@' + (otyp - DEAD_HUMAN))
+revive(obj)
+register struct obj *obj;
+{
+	register struct monst *mtmp;
+
+	if(obj->olet == FOOD_SYM && obj->otyp > CORPSE) {
+		/* do not (yet) revive shopkeepers */
+		/* Note: this might conceivably produce two monsters
+			at the same position - strange, but harmless */
+		mtmp = mkmon_at(CORPSE_I_TO_C(obj->otyp),obj->ox,obj->oy);
+		delobj(obj);
+	}
+	return(!!mtmp);		/* TRUE if some monster created */
+}
+
+rloco(obj)
+register struct obj *obj;
+{
+	register tx,ty,otx,oty;
+
+	otx = obj->ox;
+	oty = obj->oy;
+	do {
+		tx = rn1(COLNO-3,2);
+		ty = rn2(ROWNO);
+	} while(!goodpos(tx,ty));
+	obj->ox = tx;
+	obj->oy = ty;
+	if(cansee(otx,oty))
+		newsym(otx,oty);
+}
+
+fracture_rock(obj)	/* fractured by pick-axe or wand of striking */
+register struct obj *obj;			   /* no texts here! */
+{
+	/* unpobj(obj); */
+	obj->otyp = ROCK;
+	obj->quan = 7 + rn2(60);
+	obj->owt = weight(obj);
+	obj->olet = WEAPON_SYM;
+	if(cansee(obj->ox,obj->oy))
+		prl(obj->ox,obj->oy);
+}
+
+burn_scrolls()
+{
+	register struct obj *obj, *obj2;
+	register int cnt = 0;
+
+	for(obj = invent; obj; obj = obj2) {
+		obj2 = obj->nobj;
+		if(obj->olet == SCROLL_SYM) {
+			cnt++;
+			useup(obj);
+		}
+	}
+	if(cnt > 1) {
+		pline("Your scrolls catch fire!");
+		losehp(cnt, "burning scrolls");
+	} else if(cnt) {
+		pline("Your scroll catches fire!");
+		losehp(1, "burning scroll");
+	}
+}
-- 
cgit v1.2.3-56-ge451