/**
* Read a trap record
*/
static void rd_trap(struct trap *trap)
{
int i;
char buf[80];
rd_string(buf, sizeof(buf));
if (buf[0]) {
trap->kind = lookup_trap(buf);
trap->t_idx = trap->kind->tidx;
}
rd_byte(&trap->fy);
rd_byte(&trap->fx);
rd_byte(&trap->power);
rd_byte(&trap->timeout);
for (i = 0; i < trf_size; i++)
rd_byte(&trap->flags[i]);
}
/**
* 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;
}
void square_remove_ward(struct chunk *c, int y, int x)
{
struct trap_kind *rune = lookup_trap("glyph of warding");
assert(square_iswarded(c, y, x));
square_remove_trap(c, y, x, TRUE, rune->tidx);
}
void square_add_ward(struct chunk *c, int y, int x)
{
struct trap_kind *rune = lookup_trap("glyph of warding");
place_trap(c, y, x, rune->tidx, 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);
}