Diagnostic HUDs can see shocked doors

code/__DEFINES/atom_hud.dm

@@ -15,8 +15,9 @@
 #define DIAG_MECH_HUD	"11"// Mech health bar
 #define DIAG_BOT_HUD	"12"// Bot HUDs
 #define DIAG_TRACK_HUD	"13"// Mech tracking beacon
+#define DIAG_AIRLOCK_HUD "14"//Airlock shock overlay
 //for antag huds. these are used at the /mob level
-#define ANTAG_HUD		"14"
+#define ANTAG_HUD		"15"
 
 //data HUD (medhud, sechud) defines
 //Don't forget to update human/New() if you change these!

code/datums/wires/airlock.dm

@@ -78,7 +78,7 @@
 						A.aiControlDisabled = -1
 		if(WIRE_SHOCK) // Pulse to shock the door for 10 ticks.
 			if(!A.secondsElectrified)
-				A.secondsElectrified = 30
+				A.set_electrified(30)
 				if(usr)
 					A.shockedby += text("\[[time_stamp()]\][usr](ckey:[usr.ckey])")
 				add_logs(usr, A, "electrified")
@@ -87,7 +87,7 @@
 						while (A.secondsElectrified > 0)
 							A.secondsElectrified -= 1
 							if(A.secondsElectrified < 0)
-								A.secondsElectrified = 0
+								A.set_electrified(0)
 							sleep(10)
 		if(WIRE_SAFETY)
 			A.safe = !A.safe
@@ -137,10 +137,10 @@
 		if(WIRE_SHOCK) // Cut to shock the door, mend to unshock.
 			if(mend)
 				if(A.secondsElectrified)
-					A.secondsElectrified = 0
+					A.set_electrified(0)
 			else
 				if(A.secondsElectrified != -1)
-					A.secondsElectrified = -1
+					A.set_electrified(-1)
 					if(usr)
 						A.shockedby += text("\[[time_stamp()]\][usr](ckey:[usr.ckey])")
 					add_logs(usr, A, "electrified")

code/game/data_huds.dm

@@ -45,7 +45,7 @@
 	hud_icons = list(ID_HUD, IMPTRACK_HUD, IMPLOYAL_HUD, IMPCHEM_HUD, WANTED_HUD)
 
 /datum/atom_hud/data/diagnostic
-	hud_icons = list (DIAG_HUD, DIAG_STAT_HUD, DIAG_BATT_HUD, DIAG_MECH_HUD, DIAG_BOT_HUD, DIAG_TRACK_HUD)
+	hud_icons = list (DIAG_HUD, DIAG_STAT_HUD, DIAG_BATT_HUD, DIAG_MECH_HUD, DIAG_BOT_HUD, DIAG_TRACK_HUD, DIAG_AIRLOCK_HUD)
 
 /* MED/SEC/DIAG HUD HOOKS */
 
@@ -380,3 +380,13 @@
 			holder.icon_state = "hudmove"
 		else
 			holder.icon_state = ""
+
+/*~~~~~~~~~~~~
+	Airlocks!
+~~~~~~~~~~~~~*/
+/obj/machinery/door/airlock/proc/diag_hud_set_electrified()
+	var/image/holder = hud_list[DIAG_AIRLOCK_HUD]
+	if(secondsElectrified != 0)
+		holder.icon_state = "electrified"
+	else
+		holder.icon_state = ""

code/game/machinery/doors/airlock.dm

@@ -87,6 +87,7 @@ var/list/airlock_overlays = list()
 	var/delayed_close_requested = FALSE // TRUE means the door will automatically close the next time it's opened.
 
 	explosion_block = 1
+	hud_possible = list(DIAG_AIRLOCK_HUD)
 
 /obj/machinery/door/airlock/New()
 	..()
@@ -107,6 +108,10 @@ var/list/airlock_overlays = list()
 		max_integrity = normal_integrity
 	if(damage_deflection == AIRLOCK_DAMAGE_DEFLECTION_N && security_level > AIRLOCK_SECURITY_METAL)
 		damage_deflection = AIRLOCK_DAMAGE_DEFLECTION_R
+	prepare_huds()
+	var/datum/atom_hud/data/diagnostic/diag_hud = huds[DATA_HUD_DIAGNOSTIC]
+	diag_hud.add_to_hud(src)
+	diag_hud_set_electrified()
 
 /obj/machinery/door/airlock/Initialize()
 	..()
@@ -759,10 +764,10 @@ var/list/airlock_overlays = list()
 					//un-electrify door
 					if(wires.is_cut(WIRE_SHOCK))
 						usr << text("Can't un-electrify the airlock - The electrification wire is cut.")
-					else if(src.secondsElectrified==-1)
+					else if(secondsElectrified==-1)
-						src.secondsElectrified = 0
+						set_electrified(0)
-					else if(src.secondsElectrified>0)
+					else if(secondsElectrified>0)
-						src.secondsElectrified = 0
+						set_electrified(0)
 
 				if(8)
 					// Safeties!  We don't need no stinking safeties!
@@ -845,12 +850,12 @@ var/list/airlock_overlays = list()
 					else
 						shockedby += "\[[time_stamp()]\][usr](ckey:[usr.ckey])"
 						add_logs(usr, src, "electrified")
-						src.secondsElectrified = 30
+						set_electrified(30)
 						spawn(10)
 							while (src.secondsElectrified>0)
 								src.secondsElectrified-=1
 								if(src.secondsElectrified<0)
-									src.secondsElectrified = 0
+									set_electrified(0)
 								src.updateUsrDialog()
 								sleep(10)
 				if(6)
@@ -864,7 +869,7 @@ var/list/airlock_overlays = list()
 					else
 						shockedby += text("\[[time_stamp()]\][usr](ckey:[usr.ckey])")
 						add_logs(usr, src, "electrified")
-						src.secondsElectrified = -1
+						set_electrified(-1)
 
 				if (8) // Not in order >.>
 					// Safeties!  Maybe we do need some stinking safeties!
@@ -1417,7 +1422,7 @@ var/list/airlock_overlays = list()
 		safe = FALSE //DOOR CRUSH
 		close()
 		bolt() //Bolt it!
-		secondsElectrified = -1  //Shock it!
+		set_electrified(-1)  //Shock it!
 		if(origin)
 			shockedby += "\[[time_stamp()]\][origin](ckey:[origin.ckey])"
 
@@ -1426,7 +1431,7 @@ var/list/airlock_overlays = list()
 	// Must be powered and have working AI wire.
 	if(canAIControl(src) && !stat)
 		unbolt()
-		secondsElectrified = 0
+		set_electrified(0)
 		open()
 		safe = TRUE
 
@@ -1439,6 +1444,9 @@ var/list/airlock_overlays = list()
 		wires.cut_all()
 		update_icon()
 
+/obj/machinery/door/airlock/proc/set_electrified(seconds)
+	secondsElectrified = seconds
+	diag_hud_set_electrified()
 
 /obj/machinery/door/airlock/take_damage(damage_amount, damage_type = BRUTE, damage_flag = 0, sound_effect = 1, attack_dir)
 	. = ..()