lazy implementation

code/__DEFINES/dcs/signals.dm

@@ -38,6 +38,9 @@
 /// from SSsun when the sun changes position : (primary_sun, suns)
 #define COMSIG_SUN_MOVED "sun_moved"
 
+///from SSsecurity_level when the security level changes : (new_level)
+#define COMSIG_SECURITY_LEVEL_CHANGED "security_level_changed"
+
 /// from SSactivity for things that add threat but aren't "global" (e.g. phylacteries)
 #define COMSIG_THREAT_CALC "threat_calculation"
 

code/__DEFINES/subsystems.dm

@@ -111,6 +111,7 @@
 #define INIT_ORDER_SOUNDS			83
 #define INIT_ORDER_INSTRUMENTS		82
 #define INIT_ORDER_VIS				80
+#define INIT_ORDER_SECURITY_LEVEL 79 // We need to load before events so that it has a security level to choose from.
 #define INIT_ORDER_ACHIEVEMENTS		77
 #define INIT_ORDER_RESEARCH			75
 #define INIT_ORDER_EVENTS			70