hack.mon.c

早期freebsd实现

		if(mtmp->wormno) worm_move(mtmp);
#endif NOWORM
	} else {
		if(msym == 'u' && rn2(2)){
			rloc(mtmp);
			return(0);
		}
#ifndef NOWORM
		if(mtmp->wormno) worm_nomove(mtmp);
#endif NOWORM
	}
postmov:
	if(mmoved == 1) {
		if(mintrap(mtmp) == 2)	/* he died */
			return(2);
		if(likegold) mpickgold(mtmp);
		if(likegems) mpickgems(mtmp);
		if(mtmp->mhide) mtmp->mundetected = 1;
	}
	pmon(mtmp);
	return(mmoved);
}

mpickgold(mtmp) register struct monst *mtmp; {
register struct gold *gold;
	while(gold = g_at(mtmp->mx, mtmp->my)){
		mtmp->mgold += gold->amount;
		freegold(gold);
		if(levl[mtmp->mx][mtmp->my].scrsym == '$')
			newsym(mtmp->mx, mtmp->my);
	}
}

mpickgems(mtmp) register struct monst *mtmp; {
register struct obj *otmp;
	for(otmp = fobj; otmp; otmp = otmp->nobj)
	if(otmp->olet == GEM_SYM)
	if(otmp->ox == mtmp->mx && otmp->oy == mtmp->my)
	if(mtmp->data->mlet != 'u' || objects[otmp->otyp].g_val != 0){
		freeobj(otmp);
		mpickobj(mtmp, otmp);
		if(levl[mtmp->mx][mtmp->my].scrsym == GEM_SYM)
			newsym(mtmp->mx, mtmp->my);	/* %% */
		return;	/* pick only one object */
	}
}

/* return number of acceptable neighbour positions */
mfndpos(mon,poss,info,flag)
register struct monst *mon;
coord poss[9];
int info[9], flag;
{
	register int x,y,nx,ny,cnt = 0,ntyp;
	register struct monst *mtmp;
	int nowtyp;
	boolean pool;

	x = mon->mx;
	y = mon->my;
	nowtyp = levl[x][y].typ;

	pool = (mon->data->mlet == ';');
nexttry:	/* eels prefer the water, but if there is no water nearby,
		   they will crawl over land */
	if(mon->mconf) {
		flag |= ALLOW_ALL;
		flag &= ~NOTONL;
	}
	for(nx = x-1; nx <= x+1; nx++) for(ny = y-1; ny <= y+1; ny++)
	if(nx != x || ny != y) if(isok(nx,ny))
	if(!IS_ROCK(ntyp = levl[nx][ny].typ))
	if(!(nx != x && ny != y && (nowtyp == DOOR || ntyp == DOOR)))
	if((ntyp == POOL) == pool) {
		info[cnt] = 0;
		if(nx == u.ux && ny == u.uy){
			if(!(flag & ALLOW_U)) continue;
			info[cnt] = ALLOW_U;
		} else if(mtmp = m_at(nx,ny)){
			if(!(flag & ALLOW_M)) continue;
			info[cnt] = ALLOW_M;
			if(mtmp->mtame){
				if(!(flag & ALLOW_TM)) continue;
				info[cnt] |= ALLOW_TM;
			}
		}
		if(sobj_at(CLOVE_OF_GARLIC, nx, ny)) {
			if(flag & NOGARLIC) continue;
			info[cnt] |= NOGARLIC;
		}
		if(sobj_at(SCR_SCARE_MONSTER, nx, ny) ||
		   (!mon->mpeaceful && sengr_at("Elbereth", nx, ny))) {
			if(!(flag & ALLOW_SSM)) continue;
			info[cnt] |= ALLOW_SSM;
		}
		if(sobj_at(ENORMOUS_ROCK, nx, ny)) {
			if(!(flag & ALLOW_ROCK)) continue;
			info[cnt] |= ALLOW_ROCK;
		}
		if(!Invis && online(nx,ny)){
			if(flag & NOTONL) continue;
			info[cnt] |= NOTONL;
		}
		/* we cannot avoid traps of an unknown kind */
		{ register struct trap *ttmp = t_at(nx, ny);
		  register int tt;
			if(ttmp) {
				tt = 1 << ttmp->ttyp;
				if(mon->mtrapseen & tt){
					if(!(flag & tt)) continue;
					info[cnt] |= tt;
				}
			}
		}
		poss[cnt].x = nx;
		poss[cnt].y = ny;
		cnt++;
	}
	if(!cnt && pool && nowtyp != POOL) {
		pool = FALSE;
		goto nexttry;
	}
	return(cnt);
}

dist(x,y) int x,y; {
	return((x-u.ux)*(x-u.ux) + (y-u.uy)*(y-u.uy));
}

poisoned(string, pname)
register char *string, *pname;
{
	register int i;

	if(Blind) pline("It was poisoned.");
	else pline("The %s was poisoned!",string);
	if(Poison_resistance) {
		pline("The poison doesn't seem to affect you.");
		return;
	}
	i = rn2(10);
	if(i == 0) {
		u.uhp = -1;
		pline("I am afraid the poison was deadly ...");
	} else if(i <= 5) {
		losestr(rn1(3,3));
	} else {
		losehp(rn1(10,6), pname);
	}
	if(u.uhp < 1) {
		killer = pname;
		done("died");
	}
}

mondead(mtmp)
register struct monst *mtmp;
{
	relobj(mtmp,1);
	unpmon(mtmp);
	relmon(mtmp);
	unstuck(mtmp);
	if(mtmp->isshk) shkdead(mtmp);
	if(mtmp->isgd) gddead();
#ifndef NOWORM
	if(mtmp->wormno) wormdead(mtmp);
#endif NOWORM
	monfree(mtmp);
}

/* called when monster is moved to larger structure */
replmon(mtmp,mtmp2)
register struct monst *mtmp, *mtmp2;
{
	relmon(mtmp);
	monfree(mtmp);
	mtmp2->nmon = fmon;
	fmon = mtmp2;
	if(u.ustuck == mtmp) u.ustuck = mtmp2;
	if(mtmp2->isshk) replshk(mtmp,mtmp2);
	if(mtmp2->isgd) replgd(mtmp,mtmp2);
}

relmon(mon)
register struct monst *mon;
{
	register struct monst *mtmp;

	if(mon == fmon) fmon = fmon->nmon;
	else {
		for(mtmp = fmon; mtmp->nmon != mon; mtmp = mtmp->nmon) ;
		mtmp->nmon = mon->nmon;
	}
}

/* we do not free monsters immediately, in order to have their name
   available shortly after their demise */
struct monst *fdmon;	/* chain of dead monsters, need not to be saved */

monfree(mtmp) register struct monst *mtmp; {
	mtmp->nmon = fdmon;
	fdmon = mtmp;
}

dmonsfree(){
register struct monst *mtmp;
	while(mtmp = fdmon){
		fdmon = mtmp->nmon;
		free((char *) mtmp);
	}
}

unstuck(mtmp)
register struct monst *mtmp;
{
	if(u.ustuck == mtmp) {
		if(u.uswallow){
			u.ux = mtmp->mx;
			u.uy = mtmp->my;
			u.uswallow = 0;
			setsee();
			docrt();
		}
		u.ustuck = 0;
	}
}

killed(mtmp)
register struct monst *mtmp;
{
#ifdef lint
#define	NEW_SCORING
#endif lint
	register int tmp,tmp2,nk,x,y;
	register struct permonst *mdat;
	extern long newuexp();

	if(mtmp->cham) mtmp->data = PM_CHAMELEON;
	mdat = mtmp->data;
	if(Blind) pline("You destroy it!");
	else {
		pline("You destroy %s!",
			mtmp->mtame ? amonnam(mtmp, "poor") : monnam(mtmp));
	}
	if(u.umconf) {
		if(!Blind) pline("Your hands stop glowing blue.");
		u.umconf = 0;
	}

	/* count killed monsters */
#define	MAXMONNO	100
	nk = 1;		      /* in case we cannot find it in mons */
	tmp = mdat - mons;    /* index in mons array (if not 'd', '@', ...) */
	if(tmp >= 0 && tmp < CMNUM+2) {
	    extern char fut_geno[];
	    u.nr_killed[tmp]++;
	    if((nk = u.nr_killed[tmp]) > MAXMONNO &&
		!index(fut_geno, mdat->mlet))
		    charcat(fut_geno,  mdat->mlet);
	}

	/* punish bad behaviour */
	if(mdat->mlet == '@') Telepat = 0, u.uluck -= 2;
	if(mtmp->mpeaceful || mtmp->mtame) u.uluck--;
	if(mdat->mlet == 'u') u.uluck -= 5;
	if((int)u.uluck < LUCKMIN) u.uluck = LUCKMIN;

	/* give experience points */
	tmp = 1 + mdat->mlevel * mdat->mlevel;
	if(mdat->ac < 3) tmp += 2*(7 - mdat->ac);
	if(index("AcsSDXaeRTVWU&In:P", mdat->mlet))
		tmp += 2*mdat->mlevel;
	if(index("DeV&P",mdat->mlet)) tmp += (7*mdat->mlevel);
	if(mdat->mlevel > 6) tmp += 50;
	if(mdat->mlet == ';') tmp += 1000;

#ifdef NEW_SCORING
	/* ------- recent addition: make nr of points decrease
		   when this is not the first of this kind */
	{ int ul = u.ulevel;
	  int ml = mdat->mlevel;

	if(ul < 14)    /* points are given based on present and future level */
	    for(tmp2 = 0; !tmp2 || ul + tmp2 <= ml; tmp2++)
		if(u.uexp + 1 + (tmp + ((tmp2 <= 0) ? 0 : 4<<(tmp2-1)))/nk
		    >= 10*pow((unsigned)(ul-1)))
			if(++ul == 14) break;

	tmp2 = ml - ul -1;
	tmp = (tmp + ((tmp2 < 0) ? 0 : 4<<tmp2))/nk;
	if(!tmp) tmp = 1;
	}
	/* note: ul is not necessarily the future value of u.ulevel */
	/* ------- end of recent valuation change ------- */
#endif NEW_SCORING

	more_experienced(tmp,0);
	flags.botl = 1;
	while(u.ulevel < 14 && u.uexp >= newuexp()){
		pline("Welcome to experience level %u.", ++u.ulevel);
		tmp = rnd(10);
		if(tmp < 3) tmp = rnd(10);
		u.uhpmax += tmp;
		u.uhp += tmp;
		flags.botl = 1;
	}

	/* dispose of monster and make cadaver */
	x = mtmp->mx;	y = mtmp->my;
	mondead(mtmp);
	tmp = mdat->mlet;
	if(tmp == 'm') { /* he killed a minotaur, give him a wand of digging */
			/* note: the dead minotaur will be on top of it! */
		mksobj_at(WAN_DIGGING, x, y);
		/* if(cansee(x,y)) atl(x,y,fobj->olet); */
		stackobj(fobj);
	} else
#ifndef NOWORM
	if(tmp == 'w') {
		mksobj_at(WORM_TOOTH, x, y);
		stackobj(fobj);
	} else
#endif	NOWORM
	if(!letter(tmp) || (!index("mw", tmp) && !rn2(3))) tmp = 0;

	if(ACCESSIBLE(levl[x][y].typ))	/* might be mimic in wall or dead eel*/
	    if(x != u.ux || y != u.uy)	/* might be here after swallowed */
		if(index("NTVm&",mdat->mlet) || rn2(5)) {
		register struct obj *obj2 = mkobj_at(tmp,x,y);
		if(cansee(x,y))
			atl(x,y,obj2->olet);
		stackobj(obj2);
	}
}

kludge(str,arg)
register char *str,*arg;
{
	if(Blind) {
		if(*str == '%') pline(str,"It");
		else pline(str,"it");
	} else pline(str,arg);
}

rescham()	/* force all chameleons to become normal */
{
	register struct monst *mtmp;

	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
		if(mtmp->cham) {
			mtmp->cham = 0;
			(void) newcham(mtmp, PM_CHAMELEON);
		}
}

newcham(mtmp,mdat)	/* make a chameleon look like a new monster */
			/* returns 1 if the monster actually changed */
register struct monst *mtmp;
register struct permonst *mdat;
{
	register mhp, hpn, hpd;

	if(mdat == mtmp->data) return(0);	/* still the same monster */
#ifndef NOWORM
	if(mtmp->wormno) wormdead(mtmp);	/* throw tail away */
#endif NOWORM
	if (u.ustuck == mtmp) {
		if (u.uswallow) {
			u.uswallow = 0;
			u.uswldtim = 0;
			mnexto (mtmp);
			docrt ();
			prme ();
		}
		u.ustuck = 0;
	}
	hpn = mtmp->mhp;
	hpd = (mtmp->data->mlevel)*8;
	if(!hpd) hpd = 4;
	mtmp->data = mdat;
	mhp = (mdat->mlevel)*8;
	/* new hp: same fraction of max as before */
	mtmp->mhp = 2 + (hpn*mhp)/hpd;
	hpn = mtmp->mhpmax;
	mtmp->mhpmax = 2 + (hpn*mhp)/hpd;
	mtmp->minvis = (mdat->mlet == 'I') ? 1 : 0;
#ifndef NOWORM
	if(mdat->mlet == 'w' && getwn(mtmp)) initworm(mtmp);
			/* perhaps we should clear mtmp->mtame here? */
#endif NOWORM
	unpmon(mtmp);	/* necessary for 'I' and to force pmon */
	pmon(mtmp);
	return(1);
}

mnexto(mtmp)	/* Make monster mtmp next to you (if possible) */
struct monst *mtmp;
{
	extern coord enexto();
	coord mm;
	mm = enexto(u.ux, u.uy);
	mtmp->mx = mm.x;
	mtmp->my = mm.y;
	pmon(mtmp);
}

ishuman(mtmp) register struct monst *mtmp; {
	return(mtmp->data->mlet == '@');
}

setmangry(mtmp) register struct monst *mtmp; {
	if(!mtmp->mpeaceful) return;
	if(mtmp->mtame) return;
	mtmp->mpeaceful = 0;
	if(ishuman(mtmp)) pline("%s gets angry!", Monnam(mtmp));
}

/* not one hundred procent correct: now a snake may hide under an
   invisible object */
canseemon(mtmp)
register struct monst *mtmp;
{
	return((!mtmp->minvis || See_invisible)
		&& (!mtmp->mhide || !o_at(mtmp->mx,mtmp->my))
		&& cansee(mtmp->mx, mtmp->my));
}