/*
* Close the drawbridge located at x,y.
* Returns TRUE if the drawbridge was closed, FALSE otherwise.
*/
boolean close_drawbridge(int x, int y)
{
struct rm *loc1, *loc2;
struct monst *m;
struct trap *t;
int x2, y2;
loc1 = &level->locations[x][y];
if (loc1->typ != DRAWBRIDGE_DOWN) return FALSE;
/* A huge monster will block the drawbridge. */
if ((m = m_at(level, x, y)) && hugemonst(m->data)) {
pline("%s blocks the drawbridge with %s weight!",
canseemon(level, m) ? Amonnam(m) : "Something",
canseemon(level, m) ? mhis(level, m) : "its");
return FALSE;
}
if (rn2(5) == 0) {
pline("The mechanism seems to have something stuck in it and won't close.");
return FALSE;
}
x2 = x; y2 = y;
get_wall_for_db(&x2,&y2);
if (cansee(x,y) || cansee(x2,y2))
pline("You see a drawbridge %s up!",
(((u.ux == x || u.uy == y) && !Underwater) ||
distu(x2,y2) < distu(x,y)) ? "coming" : "going");
loc1->typ = DRAWBRIDGE_UP;
loc2 = &level->locations[x2][y2];
loc2->typ = DBWALL;
switch (loc1->drawbridgemask & DB_DIR) {
case DB_NORTH:
case DB_SOUTH:
loc2->horizontal = TRUE;
break;
case DB_WEST:
case DB_EAST:
loc2->horizontal = FALSE;
break;
}
loc2->wall_info = W_NONDIGGABLE;
set_entity(x, y, &(occupants[0]));
set_entity(x2, y2, &(occupants[1]));
do_entity(&(occupants[0])); /* Do set_entity after first */
set_entity(x2, y2, &(occupants[1])); /* do_entity for worm tail */
do_entity(&(occupants[1]));
if (OBJ_AT(x, y) && flags.soundok)
You_hear("smashing and crushing.");
revive_nasty(x,y,NULL);
revive_nasty(x2,y2,NULL);
delallobj(x, y);
delallobj(x2, y2);
if ((t = t_at(level, x, y)) != 0) deltrap(level, t);
if ((t = t_at(level, x2, y2)) != 0) deltrap(level, t);
newsym(x, y);
newsym(x2, y2);
block_point(x2,y2); /* vision */
return TRUE;
}
/*
* Close the drawbridge located at x,y
*/
void
close_drawbridge(int x, int y)
{
struct rm *loc1, *loc2;
struct trap *t;
int x2, y2;
loc1 = &level->locations[x][y];
if (loc1->typ != DRAWBRIDGE_DOWN)
return;
x2 = x;
y2 = y;
get_wall_for_db(&x2, &y2);
if (cansee(x, y) || cansee(x2, y2))
pline("You see a drawbridge %s up!",
(((u.ux == x || u.uy == y) && !Underwater) ||
distu(x2, y2) < distu(x, y)) ? "coming" : "going");
else if (canhear())
pline("You hear chains rattling and gears turning.");
loc1->typ = DRAWBRIDGE_UP;
loc2 = &level->locations[x2][y2];
loc2->typ = DBWALL;
switch (loc1->drawbridgemask & DB_DIR) {
case DB_NORTH:
case DB_SOUTH:
loc2->horizontal = TRUE;
break;
case DB_WEST:
case DB_EAST:
loc2->horizontal = FALSE;
break;
}
loc2->wall_info = W_NONDIGGABLE;
set_entity(x, y, &(occupants[0]));
set_entity(x2, y2, &(occupants[1]));
do_entity(&(occupants[0])); /* Do set_entity after first */
set_entity(x2, y2, &(occupants[1])); /* do_entity for worm tail */
do_entity(&(occupants[1]));
if (OBJ_AT(x, y))
You_hear("smashing and crushing.");
revive_nasty(x, y, NULL);
revive_nasty(x2, y2, NULL);
delallobj(x, y);
delallobj(x2, y2);
if ((t = t_at(level, x, y)) != 0)
deltrap(level, t);
if ((t = t_at(level, x2, y2)) != 0)
deltrap(level, t);
del_engr_at(level, x, y);
del_engr_at(level, x2, y2);
newsym(x, y);
newsym(x2, y2);
block_point(x2, y2); /* vision */
}
/*
* Open the drawbridge located at x,y
*/
void open_drawbridge(int x, int y)
{
struct rm *loc1, *loc2;
struct trap *t;
int x2, y2;
loc1 = &level->locations[x][y];
if (loc1->typ != DRAWBRIDGE_UP) return;
x2 = x; y2 = y;
get_wall_for_db(&x2,&y2);
if (cansee(x,y) || cansee(x2,y2))
pline("You see a drawbridge %s down!",
(distu(x2,y2) < distu(x,y)) ? "going" : "coming");
loc1->typ = DRAWBRIDGE_DOWN;
loc2 = &level->locations[x2][y2];
loc2->typ = DOOR;
loc2->doormask = D_NODOOR;
set_entity(x, y, &(occupants[0]));
set_entity(x2, y2, &(occupants[1]));
do_entity(&(occupants[0])); /* do set_entity after first */
set_entity(x2, y2, &(occupants[1])); /* do_entity for worm tails */
do_entity(&(occupants[1]));
revive_nasty(x,y,NULL);
delallobj(x, y);
if ((t = t_at(level, x, y)) != 0) deltrap(level, t);
if ((t = t_at(level, x2, y2)) != 0) deltrap(level, t);
newsym(x, y);
newsym(x2, y2);
unblock_point(x2,y2); /* vision */
if (Is_stronghold(&u.uz)) u.uevent.uopened_dbridge = TRUE;
}