/*
* Check if timers should be paused.
*
* Returns TRUE if timers should not run for some reason.
* Returns FALSE if timers should continue to run.
*/
bool system_timer_pause (void)
{
if (!in_game || in_bonus || !valid_playfield)
return TRUE;
if (timer_lock_count)
return TRUE;
if (global_flag_test (GLOBAL_FLAG_BALL_AT_PLUNGER) && single_ball_play ())
return TRUE;
if (global_flag_test (GLOBAL_FLAG_COIN_DOOR_OPENED))
return TRUE;
if (config_timed_game)
{
extern U8 timed_game_suspend_count;
if (timer_find_gid (GID_TIMED_GAME_PAUSED))
return TRUE;
if (timed_game_suspend_count)
return TRUE;
}
if (device_holdup_count ())
return TRUE;
if (ball_search_timed_out ())
return TRUE;
if (timer_find_gid (GID_BALLSAVE_EXTENDED))
return TRUE;
/* Machines can extend the meaning of timer pause by defining an
'allow timers' event. It should return FALSE if timers should be
paused for some reason. */
if (!callset_invoke_boolean (allow_timers))
return TRUE;
#ifdef MACHINE_TZ
if (mpf_active)
return TRUE;
#endif
return FALSE;
}
/**
* Periodically check to see if effects need updating.
*/
CALLSET_ENTRY (effect_update, idle_every_100ms, start_ball, end_ball)
{
if (sys_init_complete && !in_test)
{
/* Update devices frequently */
if (in_game && !ball_search_timed_out ())
callset_invoke (device_update);
/* Less frequently, update background display, music, and lamps.
Normally this is done every 500ms. If effect_update_request() is
called, then it will occur on the next 100ms interval. */
if (effect_update_counter == 0)
{
task_recreate_gid_while (GID_EFFECT_UPDATE, effect_update_task, TASK_DURATION_INF);
update_complete ();
}
else
{
--effect_update_counter;
}
}
}
/** A monitor task that checks whether or not a ball search is
necessary. This task periodically bumps a counter, which is
normally reset as scoring switches are triggered. If the
counter reaches a threshold, and ball search is allowed to run,
then it is initiated.
This task is also responsible for incrementing the ball time
statistic, when ball search is not necessary. */
void ball_search_monitor_task (void)
{
ball_search_timer_reset ();
while (in_game)
{
task_sleep (TIME_1S);
/* Step the ball search timer as long as a game
* is in progess. But don't allow a ball search in
* some situations:
*
* - ball is on the shooter switch
* - either flipper button is held
*/
if (in_live_game && !in_bonus && (live_balls || !valid_playfield)
#ifdef MACHINE_SHOOTER_SWITCH
&& !switch_poll_logical (MACHINE_SHOOTER_SWITCH)
#endif
&& !switch_poll_logical (SW_LEFT_BUTTON)
&& !switch_poll_logical (SW_RIGHT_BUTTON))
{
ball_time++;
ball_search_timer_step ();
if (ball_search_timed_out ())
{
ball_search_count = 0;
while (ball_search_timer != 0)
{
if ((ball_search_count >= 5) && chase_ball_enabled ())
{
/* If chase ball is enabled, after the 5th ball search
we will force endball. */
audit_increment (&system_audits.chase_balls);
end_ball ();
return;
}
else
{
/* Perform a ball search */
ball_search_run ();
}
/* After the third ball search, cancel the tilt lamp
effect, to help the player find the missing ball. */
if (ball_search_count == 3)
leff_stop (LEFF_TILT);
if (ball_search_count < 10)
{
/* Delay a small amount for the first few ball searches */
task_sleep_sec (12);
}
else
{
/* Delay longer after many ball searches */
task_sleep_sec (20);
}
/* After a while, just give up -- but don't do that in tournament
mode or on free play; this is just to keep a location game from cycling
continuously. */
if (ball_search_count >= 25 &&
!price_config.free_play && !system_config.tournament_mode)
{
fatal (ERR_BALL_SEARCH_TIMEOUT);
}
}
/* A ball was seen -- clear the counter and exit */
ball_search_count = 0;
}
}
}
task_exit ();
}