Making certain SMES and Blast Doors be critical + remapping Tesla APC and SM blast doors (#5993)

code/game/gamemodes/events/power_failure.dm

@@ -4,7 +4,8 @@
 		command_announcement.Announce("Abnormal activity detected in [station_name()]'s powernet. As a precautionary measure, the station's power will be shut off for an indeterminate duration.", "Critical Power Failure", new_sound = 'sound/AI/poweroff.ogg')
 
 	for(var/obj/machinery/power/smes/buildable/S in SSpower.smes_units)
-		S.energy_fail(rand(15 * severity,30 * severity))
+		if(!S.is_critical)
+			S.energy_fail(rand(15 * severity,30 * severity))
 
 
 	for(var/obj/machinery/power/apc/C in SSmachinery.processing_machines)

code/game/machinery/doors/blast_door.dm

@@ -35,7 +35,8 @@
 	var/_wifi_id
 	var/datum/wifi/receiver/button/door/wifi_receiver
 
-	var/securitylock = 0
+	var/securitylock = FALSE
+	var/is_critical = FALSE
 
 /obj/machinery/door/blast/Initialize()
 	. = ..()
@@ -182,14 +183,14 @@
 
 /obj/machinery/door/blast/power_change()
 	..()
-	if(src.operating || (stat & BROKEN))
+	if(src.operating || (stat & BROKEN) || is_critical)
 		return
 	if(stat & NOPOWER)
 		INVOKE_ASYNC(src, /obj/machinery/door/blast/.proc/force_close)
-		securitylock = 1
+		securitylock = TRUE
 	else if(securitylock)
 		INVOKE_ASYNC(src, /obj/machinery/door/blast/.proc/force_open)
-		securitylock = 0
+		securitylock = FALSE
 
 /obj/machinery/door/blast/attack_hand(mob/user as mob)
 	return

code/modules/power/smes.dm

@@ -55,6 +55,7 @@
 	var/input_pulsed = 0
 	var/output_cut = 0
 	var/output_pulsed = 0
+	var/is_critical = FALSE			// Use by gridcheck event, if set to true we do not disable it
 	var/failure_timer = 0			// Set by gridcheck event, temporarily disables the SMES.
 	var/target_load = 0
 	var/open_hatch = 0