/*
* Determine if a given grid may be "disarmed"
*/
static bool do_cmd_disarm_test(int y, int x)
{
/* Must have knowledge */
if (!(cave->info[y][x] & (CAVE_MARK))) {
msg("You see nothing there.");
return FALSE;
}
/* Look for a closed, unlocked door to lock */
if (cave_iscloseddoor(cave, y, x) && !cave_islockeddoor(cave, y, x))
return TRUE;
/* Look for a trap */
if (!cave_isknowntrap(cave, y, x)) {
msg("You see nothing there to disarm.");
return FALSE;
}
/* Okay */
return TRUE;
}
/*
* Perform the basic "open" command on doors
*
* Assume there is no monster blocking the destination
*
* Returns TRUE if repeated commands may continue
*/
static bool do_cmd_open_aux(int y, int x)
{
int i, j;
bool more = FALSE;
/* Verify legality */
if (!do_cmd_open_test(y, x)) return (FALSE);
/* Jammed door */
if (cave_isjammeddoor(cave, y, x))
{
msg("The door appears to be stuck.");
}
/* Locked door */
else if (cave_islockeddoor(cave, y, x))
{
/* Disarm factor */
i = p_ptr->state.skills[SKILL_DISARM];
/* Penalize some conditions */
if (p_ptr->timed[TMD_BLIND] || no_light()) i = i / 10;
if (p_ptr->timed[TMD_CONFUSED] || p_ptr->timed[TMD_IMAGE]) i = i / 10;
/* Extract the lock power */
j = cave->feat[y][x] - FEAT_DOOR_HEAD;
/* Extract the difficulty XXX XXX XXX */
j = i - (j * 4);
/* Always have a small chance of success */
if (j < 2) j = 2;
/* Success */
if (randint0(100) < j)
{
/* Message */
msgt(MSG_LOCKPICK, "You have picked the lock.");
/* Open the door */
cave_set_feat(cave, y, x, FEAT_OPEN);
/* Update the visuals */
p_ptr->update |= (PU_UPDATE_VIEW | PU_MONSTERS);
/* Experience */
/* Removed to avoid exploit by repeatedly locking and unlocking door */
/* player_exp_gain(p_ptr, 1); */
}
/* Failure */
else
{
flush();
/* Message */
msgt(MSG_LOCKPICK_FAIL, "You failed to pick the lock.");
/* We may keep trying */
more = TRUE;
}
}
/* Closed door */
else
{
/* Open the door */
cave_set_feat(cave, y, x, FEAT_OPEN);
/* Update the visuals */
p_ptr->update |= (PU_UPDATE_VIEW | PU_MONSTERS);
/* Sound */
sound(MSG_OPENDOOR);
}
/* Result */
return (more);
}
/*
* Disarms a trap, or a chest
*/
void do_cmd_disarm(cmd_code code, cmd_arg args[])
{
int y, x, dir;
s16b o_idx;
bool more = FALSE;
dir = args[0].direction;
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
/* Check for chests */
o_idx = chest_check(y, x, CHEST_TRAPPED);
/* Verify legality */
if (!o_idx && !do_cmd_disarm_test(y, x))
{
/* Cancel repeat */
disturb(p_ptr, 0, 0);
return;
}
/* Take a turn */
p_ptr->energy_use = 100;
/* Apply confusion */
if (player_confuse_dir(p_ptr, &dir, FALSE))
{
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
/* Check for chests */
o_idx = chest_check(y, x, CHEST_TRAPPED);
}
/* Monster */
if (cave->m_idx[y][x] > 0) {
msg("There is a monster in the way!");
py_attack(y, x);
}
/* Chest */
else if (o_idx)
more = do_cmd_disarm_chest(y, x, o_idx);
/* Door to lock */
else if ( cave_iscloseddoor(cave, y, x)
&& !cave_islockeddoor(cave, y, x))
more = do_cmd_lock_door(y, x);
/* Disarm trap */
else
more = do_cmd_disarm_aux(y, x);
/* Cancel repeat unless told not to */
if (!more) disturb(p_ptr, 0, 0);
}