Ejemplo n.º 1
0
static bool
bhito(struct obj *obj, struct obj *otmp)
	/* object obj was hit by the effect of wand otmp */
	/* returns TRUE if sth was done */
{
	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->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);
}
Ejemplo n.º 2
0
/* returns number of scattered objects */
long
scatter(int sx, int sy, /* location of objects to scatter */
        int blastforce, /* force behind the scattering */
        unsigned int scflags, struct obj *obj)
{   /* only scatter this obj */
    struct obj *otmp;
    struct level *lev = obj ? obj->olev : level;
    int tmp;
    int farthest = 0;
    uchar typ;
    long qtmp;
    boolean used_up;
    boolean individual_object = obj ? TRUE : FALSE;
    struct monst *mtmp;
    struct scatter_chain *stmp, *stmp2 = 0;
    struct scatter_chain *schain = NULL;
    long total = 0L;
    boolean visible = (lev == level && cansee(sx, sy));

    while ((otmp = individual_object ? obj : lev->objects[sx][sy]) != 0) {
        if (otmp->quan > 1L) {
            qtmp = otmp->quan - 1;
            if (qtmp > LARGEST_INT)
                qtmp = LARGEST_INT;
            qtmp = (long)rnd((int)qtmp);
            otmp = splitobj(otmp, qtmp);
        } else {
            obj = NULL; /* all used */
        }
        obj_extract_self(otmp);
        used_up = FALSE;

        /* 9 in 10 chance of fracturing boulders or statues */
        if ((scflags & MAY_FRACTURE)
                && ((otmp->otyp == BOULDER) || (otmp->otyp == STATUE))
                && rn2(10)) {
            if (otmp->otyp == BOULDER) {
                if (visible)
                    pline("%s apart.", Tobjnam(otmp, "break"));
                fracture_rock(otmp);
                place_object(otmp, lev, sx, sy);
                if ((otmp = sobj_at(BOULDER, lev, sx, sy)) != 0) {
                    /* another boulder here, restack it to the top */
                    obj_extract_self(otmp);
                    place_object(otmp, lev, sx, sy);
                }
            } else {
                struct trap *trap;

                if ((trap = t_at(lev, sx, sy)) && trap->ttyp == STATUE_TRAP)
                    deltrap(lev, trap);
                if (visible)
                    pline("%s.", Tobjnam(otmp, "crumble"));
                break_statue(otmp);
                place_object(otmp, lev, sx, sy); /* put fragments on floor */
            }
            used_up = TRUE;

            /* 1 in 10 chance of destruction of obj; glass, egg destruction */
        } else if ((scflags & MAY_DESTROY) &&
                   (!rn2(10) || (objects[otmp->otyp].oc_material == GLASS ||
                                 otmp->otyp == EGG))) {
            if (breaks(otmp, (xchar) sx, (xchar) sy))
                used_up = TRUE;
        }

        if (!used_up) {
            stmp = malloc(sizeof (struct scatter_chain));
            stmp->next = NULL;
            stmp->obj = otmp;
            stmp->ox = sx;
            stmp->oy = sy;
            tmp = rn2(8);       /* get the direction */
            stmp->dx = xdir[tmp];
            stmp->dy = ydir[tmp];
            tmp = blastforce - (otmp->owt / 40);
            if (tmp < 1)
                tmp = 1;
            stmp->range = rnd(tmp);     /* anywhere up to that determ. by wt */
            if (farthest < stmp->range)
                farthest = stmp->range;
            stmp->stopped = FALSE;
            if (!schain)
                schain = stmp;
            else
                stmp2->next = stmp;
            stmp2 = stmp;
        }
    }

    while (farthest-- > 0) {
        for (stmp = schain; stmp; stmp = stmp->next) {
            if ((stmp->range-- > 0) && (!stmp->stopped)) {
                bhitpos.x = stmp->ox + stmp->dx;
                bhitpos.y = stmp->oy + stmp->dy;
                typ = lev->locations[bhitpos.x][bhitpos.y].typ;
                if (!isok(bhitpos.x, bhitpos.y)) {
                    bhitpos.x -= stmp->dx;
                    bhitpos.y -= stmp->dy;
                    stmp->stopped = TRUE;
                } else if (!ZAP_POS(typ) ||
                           closed_door(lev, bhitpos.x, bhitpos.y)) {
                    bhitpos.x -= stmp->dx;
                    bhitpos.y -= stmp->dy;
                    stmp->stopped = TRUE;
                } else if ((mtmp = m_at(lev, bhitpos.x, bhitpos.y)) != 0) {
                    if (scflags & MAY_HITMON) {
                        stmp->range--;
                        if (ohitmon(mtmp, stmp->obj, 1, FALSE)) {
                            stmp->obj = NULL;
                            stmp->stopped = TRUE;
                        }
                    }
                } else if (bhitpos.x == u.ux && bhitpos.y == u.uy) {
                    if (scflags & MAY_HITYOU) {
                        int hitvalu, hitu;

                        action_interrupted();

                        hitvalu = 8 + stmp->obj->spe;
                        if (bigmonst(youmonst.data))
                            hitvalu++;
                        hitu =
                            thitu(hitvalu, dmgval(stmp->obj, &youmonst),
                                  stmp->obj, NULL);
                        if (hitu)
                            stmp->range -= 3;
                    }
                } else {
                    if (scflags & VIS_EFFECTS) {
                        /* tmpsym_at(bhitpos.x, bhitpos.y); */
                        /* delay_output(); */
                    }
                }
                stmp->ox = bhitpos.x;
                stmp->oy = bhitpos.y;
            }
        }
    }
    for (stmp = schain; stmp; stmp = stmp2) {
        int x, y;

        stmp2 = stmp->next;
        x = stmp->ox;
        y = stmp->oy;
        if (stmp->obj) {
            if (x != sx || y != sy)
                total += stmp->obj->quan;
            place_object(stmp->obj, lev, x, y);
            stackobj(stmp->obj);
        }
        free(stmp);
        if (lev == level)
            newsym(x, y);
    }

    return total;
}
Ejemplo n.º 3
0
static int
dig()
{
	struct rm *lev;
	int dpx = dig_pos.x, dpy = dig_pos.y;

	/* perhaps a nymph stole his pick-axe while he was busy digging */
	/* or perhaps he teleported away */
	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
	    dig_level != dlevel ||
	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
	     (!dig_down && dist(dpx,dpy) > 2)))
		return(0);

	dig_effort += 10 + abon() + uwep->spe + rn2(5);
	if(dig_down) {
		if(!xdnstair) {
			pline("The floor here seems too hard to dig in.");
			return(0);
		}
		if(dig_effort > 250) {
			dighole();
			return(0);	/* done with digging */
		}
		if(dig_effort > 50) {
			struct trap *ttmp = t_at(dpx,dpy);

			if(!ttmp) {
				ttmp = maketrap(dpx,dpy,PIT);
				ttmp->tseen = 1;
				pline("You have dug a pit.");
				u.utrap = rn1(4,2);
				u.utraptype = TT_PIT;
				return(0);
			}
		}
	} else
	if (dig_effort > 100) {
		char *digtxt;
		struct obj *obj;

		lev = &levl[dpx][dpy];
		if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy))) {
			fracture_rock(obj);
			digtxt = "The rock falls apart.";
		} else if(!lev->typ || lev->typ == SCORR) {
			lev->typ = CORR;
			digtxt = "You succeeded in cutting away some rock.";
		} else if(lev->typ == HWALL || lev->typ == VWALL
					    || lev->typ == SDOOR) {
			lev->typ = xdnstair ? DOOR : ROOM;
			digtxt = "You just made an opening in the wall.";
		} else
		  digtxt = "Now what exactly was it that you were digging in?";
		mnewsym(dpx, dpy);
		prl(dpx, dpy);
		pline(digtxt);		/* after mnewsym & prl */
		return(0);
	} else {
		if(IS_WALL(levl[dpx][dpy].typ)) {
			int rno = inroom(dpx,dpy);

			if(rno >= 0 && rooms[rno].rtype >= 8) {
			  pline("This wall seems too hard to dig into.");
			  return(0);
			}
		}
		pline("You hit the rock with all your might.");
	}
	return(1);
}