/**
* Lock a closed door to a given power
*/
void square_set_door_lock(struct chunk *c, int y, int x, int power)
{
struct trap_kind *lock = lookup_trap("door lock");
struct trap *trap;
/* Verify it's a closed door */
if (!square_iscloseddoor(c, y, x))
return;
/* If there's no lock there, add one */
if (!square_trap_specific(c, y, x, lock->tidx))
place_trap(c, y, x, lock->tidx, 0);
/* Set the power (of all locks - there should be only one) */
trap = c->squares[y][x].trap;
while (trap) {
if (trap->kind == lock)
trap->xtra = power;
trap = trap->next;
}
}
/**
* Return the power of the lock on a door
*/
int square_door_power(struct chunk *c, int y, int x)
{
struct trap_kind *lock = lookup_trap("door lock");
struct trap *trap;
/* Verify it's a closed door */
if (!square_iscloseddoor(c, y, x))
return 0;
/* Is there a lock there? */
if (!square_trap_specific(c, y, x, lock->tidx))
return 0;
/* Get the power and return it */
trap = c->squares[y][x].trap;
while (trap) {
if (trap->kind == lock)
return trap->xtra;
trap = trap->next;
}
return 0;
}
bool square_iswarded(struct chunk *c, int y, int x)
{
struct trap_kind *rune = lookup_trap("glyph of warding");
return square_trap_specific(c, y, x, rune->tidx);
}