Gun huds V2 [NOW WITH COMPONENTS!] (#4333)

* start

* Update tgstation.dme

* Update human.dm

* aaa

* aaaaaa

* Advanced shit here.

* NEXT GEN FPS

* Update gun_hud.dm

* Update gun_safety.dm

* Update ballistic.dm

* Delete gun_safety.dm

* Create gun_safety.dm

* eeee

* WAKE THE FUCK UP SAMURAI

* aaaa

* aaaa

* v2.3

* aa

* Update gun_hud_component.dm

* aaaaaaaa

* aaaaaaaaaa

* Update gun_hud_component.dm

* Update weldingtool.dm

* Update gun_hud_component.dm

* aaaaa

* aaa

* JAMMED"

* Update gun_hud_component.dm

* Update gun_hud_component.dm

* Update gun_hud_component.dm

* Fullauto stack tracing added

* aaaaaa

* TICK TEST

* Update fullauto.dm

* Update fullauto.dm

* REVERT THIS MAYBE

* Update fullauto.dm

* Update fullauto.dm

* Update fullauto.dm

* Update fullauto.dm

* WORK YOU BITCH

* Update fullauto.dm

* a

* Update gun_hud_upgrades.dm

* aaaa

* aaaaaaaaa

* aaaaa

* Update gun_hud_component.dm

* Update gun_hud_component.dm

code/game/objects/items/tools/weldingtool.dm

@@ -79,6 +79,7 @@
 			damtype = BRUTE
 			update_appearance()
 			if(!can_off_process)
+				SEND_SIGNAL(src, COMSIG_UPDATE_AMMO_HUD) //SKYRAT EDIT ADDITION
 				STOP_PROCESSING(SSobj, src)
 			return
 	//Welders left on now use up fuel, but lets not have them run out quite that fast
@@ -88,6 +89,7 @@
 			burned_fuel_for += delta_time
 			if(burned_fuel_for >= WELDER_FUEL_BURN_INTERVAL)
 				use(1)
+			SEND_SIGNAL(src, COMSIG_UPDATE_AMMO_HUD) //SKYRAT EDIT ADDITION
 			update_appearance()
 
 	//This is to start fires. process() is only called if the welder is on.
@@ -208,6 +210,7 @@
 	. = welding
 	welding = new_value
 	set_light_on(welding)
+	SEND_SIGNAL(src, COMSIG_UPDATE_AMMO_HUD) //SKYRAT EDIT ADDITION
 
 
 //Turns off the welder if there is no more fuel (does this really need to be its own proc?)