sort of working fire selector, still need to get the safety stuff figured out and finish getting the selector working properly

code/__DEFINES/dcs/signals.dm

@@ -321,6 +321,12 @@
 ///from base of mob/AltClickOn(): (atom/A)
 #define COMSIG_MOB_ALTCLICKON "mob_altclickon"
 
+//Gun signals
+///When a gun is switched to automatic fire mode
+#define COMSIG_GUN_AUTOFIRE_SELECTED "gun_autofire_selected"
+///When a gun is switched off of automatic fire mode
+#define COMSIG_GUN_AUTOFIRE_DESELECTED "gun_autofire_deselected"
+
 // Lighting:
 ///from base of [atom/proc/set_light]: (l_range, l_power, l_color, l_on)
 #define COMSIG_ATOM_SET_LIGHT "atom_set_light"

code/__DEFINES/gun.dm

@@ -0,0 +1,3 @@
+#define SELECT_SEMI_AUTOMATIC 1
+#define SELECT_BURST_SHOT 2
+#define SELECT_FULLY_AUTOMATIC 3