예제 #1
0
/*
 * Make a chameleon look like a new monster
 * returns 1 if the monster actuall changed
 */
int newcham(struct monst *mtmp, struct permonst *mdat)
{
    int mhp;
    int hpn;
    int hpd;

    /* Still the same monster */
    if(mdat == mtmp->data) {
        return 0;
    }

#ifndef NOWORM
    /* Throw tail away */
    if(mtmp->wormno) {
        wormdead(mtmp);
    }
#endif

    hpn = mtmp->mhp;
    hpd = mtmp->data->mlevel * 8;
    
    if(hpd == 0) {
        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->orig_hp;
    mtmp->orig_hp = 2 + ((hpn * mhp) / hpd);

    if(mdat->mlet == 'I') {
        mtmp->minvis = 1;
    }
    else {
        mtmp->minvis = 0;
    }

#ifndef NOWORM
    if((mdat->mlet == 'w') && (getwn(mtmp) != 0)) {
        initworm(mtmp);
    }
#endif
    
    /* Necessary for 'I' and to force pmon */
    unpmon(mtmp);
    pmon(mtmp);

    return 1;
}
예제 #2
0
/*
 * called with [x,y] = coordinates;
 *	[0,0] means anyplace
 *	[u.ux,u.uy] means: call mnexto (if !in_mklev)
 *
 *	In case we make an Orc or killer bee, we make an entire horde (swarm);
 *	note that in this case we return only one of them (the one at [x,y]).
 */
struct monst *
makemon(struct permonst *ptr, int x, int y)
{
	struct monst *mtmp;
	int tmp, ct;
	boolean anything = (!ptr);
	extern boolean in_mklev;

	if(x != 0 || y != 0) if(m_at(x,y)) return((struct monst *) 0);
	if(ptr){
		if(strchr(fut_geno, ptr->mlet)) return((struct monst *) 0);
	} else {
		ct = CMNUM - strlen(fut_geno);
		if(strchr(fut_geno, 'm')) ct++;  /* make only 1 minotaur */
		if(strchr(fut_geno, '@')) ct++;
		if(ct <= 0) return(0); 		  /* no more monsters! */
		tmp = rn2(ct*dlevel/24 + 7);
		if(tmp < dlevel - 4) tmp = rn2(ct*dlevel/24 + 12);
		if(tmp >= ct) tmp = rn1(ct - ct/2, ct/2);
		for(ct = 0; ct < CMNUM; ct++){
			ptr = &mons[ct];
			if(strchr(fut_geno, ptr->mlet))
				continue;
			if(!tmp--) goto gotmon;
		}
		panic("makemon?");
	}
gotmon:
	mtmp = newmonst(ptr->pxlth);
	*mtmp = zeromonst;	/* clear all entries in structure */
	for(ct = 0; ct < ptr->pxlth; ct++)
		((char *) &(mtmp->mextra[0]))[ct] = 0;
	mtmp->nmon = fmon;
	fmon = mtmp;
	mtmp->m_id = flags.ident++;
	mtmp->data = ptr;
	mtmp->mxlth = ptr->pxlth;
	if(ptr->mlet == 'D') mtmp->mhpmax = mtmp->mhp = 80;
	else if(!ptr->mlevel) mtmp->mhpmax = mtmp->mhp = rnd(4);
	else mtmp->mhpmax = mtmp->mhp = d(ptr->mlevel, 8);
	mtmp->mx = x;
	mtmp->my = y;
	mtmp->mcansee = 1;
	if(ptr->mlet == 'M'){
		mtmp->mimic = 1;
		mtmp->mappearance = ']';
	}
	if(!in_mklev) {
		if(x == u.ux && y == u.uy && ptr->mlet != ' ')
			mnexto(mtmp);
		if(x == 0 && y == 0)
			rloc(mtmp);
	}
	if(ptr->mlet == 's' || ptr->mlet == 'S') {
		mtmp->mhide = mtmp->mundetected = 1;
		if(in_mklev)
		if(mtmp->mx && mtmp->my)
			(void) mkobj_at(0, mtmp->mx, mtmp->my);
	}
	if(ptr->mlet == ':') {
		mtmp->cham = 1;
		(void) newcham(mtmp, &mons[dlevel+14+rn2(CMNUM-14-dlevel)]);
	}
	if(ptr->mlet == 'I' || ptr->mlet == ';')
		mtmp->minvis = 1;
	if(ptr->mlet == 'L' || ptr->mlet == 'N'
	    || (in_mklev && strchr("&w;", ptr->mlet) && rn2(5))
	) mtmp->msleep = 1;

#ifndef NOWORM
	if(ptr->mlet == 'w' && getwn(mtmp))
		initworm(mtmp);
#endif /* NOWORM */

	if(anything) if(ptr->mlet == 'O' || ptr->mlet == 'k') {
		coord mm;
		int cnt = rnd(10);
		mm.x = x;
		mm.y = y;
		while(cnt--) {
			mm = enexto(mm.x, mm.y);
			(void) makemon(ptr, mm.x, mm.y);
		}
	}

	return(mtmp);
}
예제 #3
0
파일: dog.c 프로젝트: wheals/nethack4
/* called from resurrect() in addition to losedogs() */
void
mon_arrive(struct monst *mtmp, boolean with_you)
{
    struct trap *t;
    struct obj *otmp;
    xchar xlocale, ylocale, xyloc, xyflags, wander;
    int num_segs;

    mtmp->dlevel = level;
    mtmp->nmon = level->monlist;
    level->monlist = mtmp;
    if (mtmp->isshk)
        set_residency(mtmp, FALSE);

    num_segs = mtmp->wormno;
    /* baby long worms have no tail so don't use is_longworm() */
    if ((mtmp->data == &mons[PM_LONG_WORM]) &&
        (mtmp->wormno = get_wormno(mtmp->dlevel)) != 0) {
        initworm(mtmp, num_segs);
        /* tail segs are not yet initialized or displayed */
    } else
        mtmp->wormno = 0;

    /* some monsters might need to do something special upon arrival _after_
       the current level has been fully set up; see dochug() */
    mtmp->mstrategy |= STRAT_ARRIVE;

    xyloc = mtmp->xyloc;
    xyflags = mtmp->xyflags;
    xlocale = mtmp->xlocale;
    ylocale = mtmp->ylocale;

    for (otmp = mtmp->minvent; otmp; otmp = otmp->nobj)
        set_obj_level(mtmp->dlevel, otmp);

    if (mtmp == u.usteed)
        return; /* don't place steed on the map */
    if (with_you) {
        /* When a monster accompanies you, sometimes it will arrive at your
           intended destination and you'll end up next to that spot.  This code
           doesn't control the final outcome; goto_level(do.c) decides who ends
           up at your target spot when there is a monster there too. */
        if (!MON_AT(level, u.ux, u.uy) &&
            !rn2(mtmp->mtame ? 10 : mtmp->mpeaceful ? 5 : 2))
            rloc_to(mtmp, u.ux, u.uy);
        else
            mnexto(mtmp);
        return;
    }
    /*
     * The monster arrived on this level independently of the player.
     * Its coordinate fields were overloaded for use as flags that
     * specify its final destination.
     */

    if (mtmp->mlstmv < moves - 1L) {
        /* heal monster for time spent in limbo */
        long nmv = moves - 1L - mtmp->mlstmv;

        mon_catchup_elapsed_time(mtmp, nmv);
        mtmp->mlstmv = moves - 1L;

        /* let monster move a bit on new level (see placement code below) */
        wander = (xchar) min(nmv, 8);
    } else
        wander = 0;

    switch (xyloc) {
    case MIGR_APPROX_XY:       /* {x,y}locale set above */
        break;
    case MIGR_EXACT_XY:
        wander = 0;
        break;
    case MIGR_NEAR_PLAYER:
        xlocale = u.ux, ylocale = u.uy;
        break;
    case MIGR_STAIRS_UP:
        xlocale = level->upstair.sx, ylocale = level->upstair.sy;
        break;
    case MIGR_STAIRS_DOWN:
        xlocale = level->dnstair.sx, ylocale = level->dnstair.sy;
        break;
    case MIGR_LADDER_UP:
        xlocale = level->upladder.sx, ylocale = level->upladder.sy;
        break;
    case MIGR_LADDER_DOWN:
        xlocale = level->dnladder.sx, ylocale = level->dnladder.sy;
        break;
    case MIGR_SSTAIRS:
        xlocale = level->sstairs.sx, ylocale = level->sstairs.sy;
        break;
    case MIGR_PORTAL:
        if (In_endgame(&u.uz)) {
            /* there is no arrival portal for endgame levels */
            /* BUG[?]: for simplicity, this code relies on the fact that we
               know that the current endgame levels always build upwards and
               never have any exclusion subregion inside their TELEPORT_REGION
               settings. */
            xlocale =
                rn1(level->updest.hx - level->updest.lx + 1, level->updest.lx);
            ylocale =
                rn1(level->updest.hy - level->updest.ly + 1, level->updest.ly);
            break;
        }
        /* find the arrival portal */
        for (t = level->lev_traps; t; t = t->ntrap)
            if (t->ttyp == MAGIC_PORTAL)
                break;
        if (t) {
            xlocale = t->tx, ylocale = t->ty;
            break;
        } else {
            impossible("mon_arrive: no corresponding portal?");
        }
     /*FALLTHRU*/ default:
    case MIGR_RANDOM:
        xlocale = COLNO;
        ylocale = ROWNO;
        break;
    }

    if ((xlocale != COLNO) && wander) {
        /* monster moved a bit; pick a nearby location */
        /* mnearto() deals w/stone, et al */
        char *r = in_rooms(level, xlocale, ylocale, 0);

        if (r && *r) {
            coord c;

            /* somexy() handles irregular level->rooms */
            if (somexy(level, &level->rooms[*r - ROOMOFFSET], &c, rng_main))
                xlocale = c.x, ylocale = c.y;
            else {
                xlocale = COLNO;
                ylocale = ROWNO;
            }
        } else {        /* not in a room */
            int i, j;

            i = max(0, xlocale - wander);
            j = min(COLNO - 1, xlocale + wander);
            xlocale = rn1(j - i, i);
            i = max(0, ylocale - wander);
            j = min(ROWNO - 1, ylocale + wander);
            ylocale = rn1(j - i, i);
        }
    }
    /* moved a bit */
    mtmp->mx = COLNO;       /* (already is 0) */
    mtmp->my = xyflags;
    if (xlocale != COLNO)
        mnearto(mtmp, xlocale, ylocale, FALSE);
    else {
        if (!rloc(mtmp, TRUE)) {
            /* Failed to place migrating monster, probably because the level is
               full.  Dump the monster's cargo and leave the monster dead. */
            struct obj *obj;

            while ((obj = mtmp->minvent) != 0) {
                obj_extract_self(obj);
                obj_no_longer_held(obj);
                if (obj->owornmask & W_MASK(os_wep))
                    setmnotwielded(mtmp, obj);
                obj->owornmask = 0L;
                if (xlocale != COLNO && ylocale != ROWNO)
                    place_object(obj, level, xlocale, ylocale);
                else {
                    rloco(obj);
                    get_obj_location(obj, &xlocale, &ylocale, 0);
                }
            }
            mkcorpstat(CORPSE, NULL, mtmp->data, level, xlocale, ylocale,
                       FALSE, rng_main);
            mongone(mtmp);
        }
    }

    mtmp->mux = COLNO;
    mtmp->muy = ROWNO;
}