static
struct monst *
bchit(int ddx, int ddy, int range, char sym)
{
struct monst *mtmp = (struct monst *) 0;
int bchx = u.ux, bchy = u.uy;
if(sym) Tmp_at(-1, sym); /* open call */
while(range--) {
bchx += ddx;
bchy += ddy;
if ((mtmp = m_at(bchx,bchy)))
break;
if(!ZAP_POS(levl[bchx][bchy].typ)) {
bchx -= ddx;
bchy -= ddy;
break;
}
if(sym)
Tmp_at(bchx, bchy);
}
if(sym)
Tmp_at(-1, -1);
return(mtmp);
}
/* called with dx = dy = 0 with vertical bolts */
void
buzz(int type, xchar sx, xchar sy, int dx, int dy)
{
int abstype = abs(type);
const char *fltxt = (type == -1) ? "blaze of fire" : fl[abstype];
struct rm *lev;
xchar range;
struct monst *mon;
if(u.uswallow) {
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) {
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) {
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);
}
int
dozap(void)
{
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) {
struct obj *otmp = o_at(u.ux, u.uy);
if(otmp)
bhito(otmp, obj);
}
} else
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:
{ int cnt = 1;
if(!rn2(23)) cnt += rn2(7) + 1;
while(cnt--)
makemon(NULL, u.ux, u.uy);
}
break;
case WAN_WISHING:
{ char buf[BUFSZ];
struct obj *otmp;
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.
*/
{ struct rm *room;
int digdepth;
if(u.uswallow) {
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;
}
}
return(1);
}
