initial import of 386bsd-0.1 sources

1 files changed, 413 insertions, 0 deletions

diff --git a/hack/hack.dog.c b/hack/hack.dog.c
new file mode 100644
index 00000000..aa4387ab
--- /dev/null
+++ b/hack/hack.dog.c
@@ -0,0 +1,413 @@
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.dog.c - version 1.0.3 */
+
+#include	"hack.h"
+#include	"hack.mfndpos.h"
+extern struct monst *makemon();
+#include "def.edog.h"
+#include "def.mkroom.h"
+
+struct permonst li_dog =
+	{ "little dog", 'd',2,18,6,1,6,sizeof(struct edog) };
+struct permonst dog =
+	{ "dog", 'd',4,16,5,1,6,sizeof(struct edog) };
+struct permonst la_dog =
+	{ "large dog", 'd',6,15,4,2,4,sizeof(struct edog) };
+
+
+makedog(){
+register struct monst *mtmp = makemon(&li_dog,u.ux,u.uy);
+	if(!mtmp) return; /* dogs were genocided */
+	initedog(mtmp);
+}
+
+initedog(mtmp) register struct monst *mtmp; {
+	mtmp->mtame = mtmp->mpeaceful = 1;
+	EDOG(mtmp)->hungrytime = 1000 + moves;
+	EDOG(mtmp)->eattime = 0;
+	EDOG(mtmp)->droptime = 0;
+	EDOG(mtmp)->dropdist = 10000;
+	EDOG(mtmp)->apport = 10;
+	EDOG(mtmp)->whistletime = 0;
+}
+
+/* attach the monsters that went down (or up) together with @ */
+struct monst *mydogs = 0;
+struct monst *fallen_down = 0;	/* monsters that fell through a trapdoor */
+	/* they will appear on the next level @ goes to, even if he goes up! */
+
+losedogs(){
+register struct monst *mtmp;
+	while(mtmp = mydogs){
+		mydogs = mtmp->nmon;
+		mtmp->nmon = fmon;
+		fmon = mtmp;
+		mnexto(mtmp);
+	}
+	while(mtmp = fallen_down){
+		fallen_down = mtmp->nmon;
+		mtmp->nmon = fmon;
+		fmon = mtmp;
+		rloc(mtmp);
+	}
+}
+
+keepdogs(){
+register struct monst *mtmp;
+	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
+	    if(dist(mtmp->mx,mtmp->my) < 3 && follower(mtmp)
+		&& !mtmp->msleep && !mtmp->mfroz) {
+		relmon(mtmp);
+		mtmp->nmon = mydogs;
+		mydogs = mtmp;
+		unpmon(mtmp);
+		keepdogs();	/* we destroyed the link, so use recursion */
+		return;		/* (admittedly somewhat primitive) */
+	}
+}
+
+fall_down(mtmp) register struct monst *mtmp; {
+	relmon(mtmp);
+	mtmp->nmon = fallen_down;
+	fallen_down = mtmp;
+	unpmon(mtmp);
+	mtmp->mtame = 0;
+}
+
+/* return quality of food; the lower the better */
+#define	DOGFOOD	0
+#define	CADAVER	1
+#define	ACCFOOD	2
+#define	MANFOOD	3
+#define	APPORT	4
+#define	POISON	5
+#define	UNDEF	6
+dogfood(obj) register struct obj *obj; {
+	switch(obj->olet) {
+	case FOOD_SYM:
+	    return(
+		(obj->otyp == TRIPE_RATION) ? DOGFOOD :
+		(obj->otyp < CARROT) ? ACCFOOD :
+		(obj->otyp < CORPSE) ? MANFOOD :
+		(poisonous(obj) || obj->age + 50 <= moves ||
+		    obj->otyp == DEAD_COCKATRICE)
+			? POISON : CADAVER
+	    );
+	default:
+	    if(!obj->cursed) return(APPORT);
+	    /* fall into next case */
+	case BALL_SYM:
+	case CHAIN_SYM:
+	case ROCK_SYM:
+	    return(UNDEF);
+	}
+}
+
+/* return 0 (no move), 1 (move) or 2 (dead) */
+dog_move(mtmp, after) register struct monst *mtmp; {
+register int nx,ny,omx,omy,appr,nearer,j;
+int udist,chi,i,whappr;
+register struct monst *mtmp2;
+register struct permonst *mdat = mtmp->data;
+register struct edog *edog = EDOG(mtmp);
+struct obj *obj;
+struct trap *trap;
+xchar cnt,chcnt,nix,niy;
+schar dogroom,uroom;
+xchar gx,gy,gtyp,otyp;	/* current goal */
+coord poss[9];
+int info[9];
+#define GDIST(x,y) ((x-gx)*(x-gx) + (y-gy)*(y-gy))
+#define DDIST(x,y) ((x-omx)*(x-omx) + (y-omy)*(y-omy))
+
+	if(moves <= edog->eattime) return(0);	/* dog is still eating */
+	omx = mtmp->mx;
+	omy = mtmp->my;
+	whappr = (moves - EDOG(mtmp)->whistletime < 5);
+	if(moves > edog->hungrytime + 500 && !mtmp->mconf){
+		mtmp->mconf = 1;
+		mtmp->mhpmax /= 3;
+		if(mtmp->mhp > mtmp->mhpmax)
+			mtmp->mhp = mtmp->mhpmax;
+		if(cansee(omx,omy))
+			pline("%s is confused from hunger.", Monnam(mtmp));
+		else	pline("You feel worried about %s.", monnam(mtmp));
+	} else
+	if(moves > edog->hungrytime + 750 || mtmp->mhp < 1){
+		if(cansee(omx,omy))
+			pline("%s dies from hunger.", Monnam(mtmp));
+		else
+		pline("You have a sad feeling for a moment, then it passes.");
+		mondied(mtmp);
+		return(2);
+	}
+	dogroom = inroom(omx,omy);
+	uroom = inroom(u.ux,u.uy);
+	udist = dist(omx,omy);
+
+	/* maybe we tamed him while being swallowed --jgm */
+	if(!udist) return(0);
+
+	/* if we are carrying sth then we drop it (perhaps near @) */
+	/* Note: if apport == 1 then our behaviour is independent of udist */
+	if(mtmp->minvent){
+		if(!rn2(udist) || !rn2((int) edog->apport))
+		if(rn2(10) < edog->apport){
+			relobj(mtmp, (int) mtmp->minvis);
+			if(edog->apport > 1) edog->apport--;
+			edog->dropdist = udist;		/* hpscdi!jon */
+			edog->droptime = moves;
+		}
+	} else {
+		if(obj = o_at(omx,omy)) if(!index("0_", obj->olet)){
+		    if((otyp = dogfood(obj)) <= CADAVER){
+			nix = omx;
+			niy = omy;
+			goto eatobj;
+		    }
+		    if(obj->owt < 10*mtmp->data->mlevel)
+		    if(rn2(20) < edog->apport+3)
+		    if(rn2(udist) || !rn2((int) edog->apport)){
+			freeobj(obj);
+			unpobj(obj);
+			/* if(levl[omx][omy].scrsym == obj->olet)
+				newsym(omx,omy); */
+			mpickobj(mtmp,obj);
+		    }
+		}
+	}
+
+	/* first we look for food */
+	gtyp = UNDEF;	/* no goal as yet */
+#ifdef LINT
+	gx = gy = 0;	/* suppress 'used before set' message */
+#endif LINT
+	for(obj = fobj; obj; obj = obj->nobj) {
+		otyp = dogfood(obj);
+		if(otyp > gtyp || otyp == UNDEF) continue;
+		if(inroom(obj->ox,obj->oy) != dogroom) continue;
+		if(otyp < MANFOOD &&
+		 (dogroom >= 0 || DDIST(obj->ox,obj->oy) < 10)) {
+			if(otyp < gtyp || (otyp == gtyp &&
+				DDIST(obj->ox,obj->oy) < DDIST(gx,gy))){
+				gx = obj->ox;
+				gy = obj->oy;
+				gtyp = otyp;
+			}
+		} else
+		if(gtyp == UNDEF && dogroom >= 0 &&
+		   uroom == dogroom &&
+		   !mtmp->minvent && edog->apport > rn2(8)){
+			gx = obj->ox;
+			gy = obj->oy;
+			gtyp = APPORT;
+		}
+	}
+	if(gtyp == UNDEF ||
+	  (gtyp != DOGFOOD && gtyp != APPORT && moves < edog->hungrytime)){
+		if(dogroom < 0 || dogroom == uroom){
+			gx = u.ux;
+			gy = u.uy;
+#ifndef QUEST
+		} else {
+			int tmp = rooms[dogroom].fdoor;
+			    cnt = rooms[dogroom].doorct;
+
+			gx = gy = FAR;	/* random, far away */
+			while(cnt--){
+			    if(dist(gx,gy) >
+				dist(doors[tmp].x, doors[tmp].y)){
+					gx = doors[tmp].x;
+					gy = doors[tmp].y;
+				}
+				tmp++;
+			}
+			/* here gx == FAR e.g. when dog is in a vault */
+			if(gx == FAR || (gx == omx && gy == omy)){
+				gx = u.ux;
+				gy = u.uy;
+			}
+#endif QUEST
+		}
+		appr = (udist >= 9) ? 1 : (mtmp->mflee) ? -1 : 0;
+		if(after && udist <= 4 && gx == u.ux && gy == u.uy)
+			return(0);
+		if(udist > 1){
+			if(!IS_ROOM(levl[u.ux][u.uy].typ) || !rn2(4) ||
+			   whappr ||
+			   (mtmp->minvent && rn2((int) edog->apport)))
+				appr = 1;
+		}
+		/* if you have dog food he'll follow you more closely */
+		if(appr == 0){
+			obj = invent;
+			while(obj){
+				if(obj->otyp == TRIPE_RATION){
+					appr = 1;
+					break;
+				}
+				obj = obj->nobj;
+			}
+		}
+	} else	appr = 1;	/* gtyp != UNDEF */
+	if(mtmp->mconf) appr = 0;
+
+	if(gx == u.ux && gy == u.uy && (dogroom != uroom || dogroom < 0)){
+	extern coord *gettrack();
+	register coord *cp;
+		cp = gettrack(omx,omy);
+		if(cp){
+			gx = cp->x;
+			gy = cp->y;
+		}
+	}
+
+	nix = omx;
+	niy = omy;
+	cnt = mfndpos(mtmp,poss,info,ALLOW_M | ALLOW_TRAPS);
+	chcnt = 0;
+	chi = -1;
+	for(i=0; i<cnt; i++){
+		nx = poss[i].x;
+		ny = poss[i].y;
+		if(info[i] & ALLOW_M){
+			mtmp2 = m_at(nx,ny);
+			if(mtmp2->data->mlevel >= mdat->mlevel+2 ||
+			  mtmp2->data->mlet == 'c')
+				continue;
+			if(after) return(0); /* hit only once each move */
+
+			if(hitmm(mtmp, mtmp2) == 1 && rn2(4) &&
+			  mtmp2->mlstmv != moves &&
+			  hitmm(mtmp2,mtmp) == 2) return(2);
+			return(0);
+		}
+
+		/* dog avoids traps */
+		/* but perhaps we have to pass a trap in order to follow @ */
+		if((info[i] & ALLOW_TRAPS) && (trap = t_at(nx,ny))){
+			if(!trap->tseen && rn2(40)) continue;
+			if(rn2(10)) continue;
+		}
+
+		/* dog eschewes cursed objects */
+		/* but likes dog food */
+		obj = fobj;
+		while(obj){
+		    if(obj->ox != nx || obj->oy != ny)
+			goto nextobj;
+		    if(obj->cursed) goto nxti;
+		    if(obj->olet == FOOD_SYM &&
+			(otyp = dogfood(obj)) < MANFOOD &&
+			(otyp < ACCFOOD || edog->hungrytime <= moves)){
+			/* Note: our dog likes the food so much that he
+			might eat it even when it conceals a cursed object */
+			nix = nx;
+			niy = ny;
+			chi = i;
+		     eatobj:
+			edog->eattime =
+			    moves + obj->quan * objects[obj->otyp].oc_delay;
+			if(edog->hungrytime < moves)
+			    edog->hungrytime = moves;
+			edog->hungrytime +=
+			    5*obj->quan * objects[obj->otyp].nutrition;
+			mtmp->mconf = 0;
+			if(cansee(nix,niy))
+			    pline("%s ate %s.", Monnam(mtmp), doname(obj));
+			/* perhaps this was a reward */
+			if(otyp != CADAVER)
+			edog->apport += 200/(edog->dropdist+moves-edog->droptime);
+			delobj(obj);
+			goto newdogpos;
+		    }
+		nextobj:
+		    obj = obj->nobj;
+		}
+
+		for(j=0; j<MTSZ && j<cnt-1; j++)
+			if(nx == mtmp->mtrack[j].x && ny == mtmp->mtrack[j].y)
+				if(rn2(4*(cnt-j))) goto nxti;
+
+/* Some stupid C compilers cannot compute the whole expression at once. */
+		nearer = GDIST(nx,ny);
+		nearer -= GDIST(nix,niy);
+		nearer *= appr;
+		if((nearer == 0 && !rn2(++chcnt)) || nearer<0 ||
+			(nearer > 0 && !whappr &&
+				((omx == nix && omy == niy && !rn2(3))
+				|| !rn2(12))
+			)){
+			nix = nx;
+			niy = ny;
+			if(nearer < 0) chcnt = 0;
+			chi = i;
+		}
+	nxti:	;
+	}
+newdogpos:
+	if(nix != omx || niy != omy){
+		if(info[chi] & ALLOW_U){
+			(void) hitu(mtmp, d(mdat->damn, mdat->damd)+1);
+			return(0);
+		}
+		mtmp->mx = nix;
+		mtmp->my = niy;
+		for(j=MTSZ-1; j>0; j--) mtmp->mtrack[j] = mtmp->mtrack[j-1];
+		mtmp->mtrack[0].x = omx;
+		mtmp->mtrack[0].y = omy;
+	}
+	if(mintrap(mtmp) == 2)	/* he died */
+		return(2);
+	pmon(mtmp);
+	return(1);
+}
+
+/* return roomnumber or -1 */
+inroom(x,y) xchar x,y; {
+#ifndef QUEST
+	register struct mkroom *croom = &rooms[0];
+	while(croom->hx >= 0){
+		if(croom->hx >= x-1 && croom->lx <= x+1 &&
+		   croom->hy >= y-1 && croom->ly <= y+1)
+			return(croom - rooms);
+		croom++;
+	}
+#endif QUEST
+	return(-1);	/* not in room or on door */
+}
+
+tamedog(mtmp, obj)
+register struct monst *mtmp;
+register struct obj *obj;
+{
+	register struct monst *mtmp2;
+
+	if(flags.moonphase == FULL_MOON && night() && rn2(6))
+		return(0);
+
+	/* If we cannot tame him, at least he's no longer afraid. */
+	mtmp->mflee = 0;
+	mtmp->mfleetim = 0;
+	if(mtmp->mtame || mtmp->mfroz ||
+#ifndef NOWORM
+		mtmp->wormno ||
+#endif NOWORM
+		mtmp->isshk || mtmp->isgd || index(" &@12", mtmp->data->mlet))
+		return(0); /* no tame long worms? */
+	if(obj) {
+		if(dogfood(obj) >= MANFOOD) return(0);
+		if(cansee(mtmp->mx,mtmp->my)){
+			pline("%s devours the %s.", Monnam(mtmp),
+				objects[obj->otyp].oc_name);
+		}
+		obfree(obj, (struct obj *) 0);
+	}
+	mtmp2 = newmonst(sizeof(struct edog) + mtmp->mnamelth);
+	*mtmp2 = *mtmp;
+	mtmp2->mxlth = sizeof(struct edog);
+	if(mtmp->mnamelth) (void) strcpy(NAME(mtmp2), NAME(mtmp));
+	initedog(mtmp2);
+	replmon(mtmp,mtmp2);
+	return(1);
+}