code/__DEFINES/dcs/signals/signals_area.dm 
            
        
| COMSIG_AREA_POWER_CHANGE | ! from base of area/proc/power_change(): () | 
|---|---|
| COMSIG_AREA_EXITED | ! from base of area/Exited(): (atom/movable/M) | 
| COMSIG_ENTER_AREA | from base of area/Entered(): (area/new_area). Sent to "area-sensitive" movables, see __DEFINES/traits.dm for info. | 
| COMSIG_EXIT_AREA | from base of area/Exited(): (area). Sent to "area-sensitive" movables, see __DEFINES/traits.dm for info. | 
| COMSIG_ALARM_LISTENER_TRIGGERED | Sent when an alarm is fired and an alarm listener has tracked onto it (alarm, area/source_area) | 
| COMSIG_ALARM_LISTENER_CLEARED | Send when an alarm source is cleared and an alarm listener has tracked onto it (alarm_type, area/source_area) | 
| COMSIG_ALARM_TRIGGERED | Called when an alarm handler fires an alarm | 
| COMSIG_ALARM_CLEARED | Called when an alarm handler clears an alarm | 
| COMSIG_AIRALARM_UPDATE_MODE | Called when the air alarm mode is updated | 
| COMSIG_AREA_FIRE_CHANGED | Sent when an area's fire var changes: (fire_value) | 
| COMSIG_WEATHER_BEGAN_IN_AREA | Called when some weather starts in this area | 
| COMSIG_WEATHER_ENDED_IN_AREA | Called when some weather ends in this area | 
Define Details
COMSIG_AIRALARM_UPDATE_MODE
            
         
    
    Called when the air alarm mode is updated
COMSIG_ALARM_CLEARED
            
         
    
    Called when an alarm handler clears an alarm
COMSIG_ALARM_LISTENER_CLEARED
            
         
    
    Send when an alarm source is cleared and an alarm listener has tracked onto it (alarm_type, area/source_area)
COMSIG_ALARM_LISTENER_TRIGGERED
            
         
    
    Sent when an alarm is fired and an alarm listener has tracked onto it (alarm, area/source_area)
COMSIG_ALARM_TRIGGERED
            
         
    
    Called when an alarm handler fires an alarm
COMSIG_AREA_EXITED
            
         
    
    ! from base of area/Exited(): (atom/movable/M)
COMSIG_AREA_FIRE_CHANGED
            
         
    
    Sent when an area's fire var changes: (fire_value)
COMSIG_AREA_POWER_CHANGE
            
         
    
    ! from base of area/proc/power_change(): ()
COMSIG_ENTER_AREA
            
         
    
    from base of area/Entered(): (area/new_area). Sent to "area-sensitive" movables, see __DEFINES/traits.dm for info.
COMSIG_EXIT_AREA
            
         
    
    from base of area/Exited(): (area). Sent to "area-sensitive" movables, see __DEFINES/traits.dm for info.
COMSIG_WEATHER_BEGAN_IN_AREA
            
            
         
    
    Called when some weather starts in this area
COMSIG_WEATHER_ENDED_IN_AREA
            
            
         
    
    Called when some weather ends in this area