APC & Machinery Refactor + Local Powernets (#19991)

* local powernet and machine power refactor

* some fixes

* more tweaks + powerchange() refactor

* fixes var edited apcs on meatpackers.dmm

* fixes issue with power channels

* Reviews

* delta fix

* Update code/game/machinery/portable_turret.dm

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

* removed area power change proc

* damn morgues

* requested changes

* request changes

* deconfliction

* mapping fixes

* some fixes from TM

---------

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

code/modules/security_levels/keycard_authentication.dm

@@ -17,10 +17,9 @@
 	var/ert_reason
 
 	anchored = TRUE
-	use_power = IDLE_POWER_USE
-	idle_power_usage = 2
-	active_power_usage = 6
-	power_channel = ENVIRON
+	idle_power_consumption = 2
+	active_power_consumption = 6
+	power_channel = PW_CHANNEL_ENVIRONMENT
 
 	req_access = list(ACCESS_KEYCARD_AUTH)
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
@@ -71,10 +70,8 @@
 	return ..()
 
 /obj/machinery/keycard_auth/power_change()
-	if(powered(ENVIRON))
-		stat &= ~NOPOWER
-	else
-		stat |= NOPOWER
+	if(!..())
+		return
 	update_icon()
 
 /obj/machinery/keycard_auth/attack_ghost(mob/user)

code/modules/security_levels/security_levels.dm

@@ -180,7 +180,7 @@ GLOBAL_DATUM_INIT(security_announcement, /datum/announcer, new(config_type = /da
 			continue
 		A.emergency_lights = FALSE
 		AR.area_emergency_mode = TRUE
-		for(var/obj/machinery/light/L in A.area)
+		for(var/obj/machinery/light/L in A.apc_area)
 			if(L.status)
 				continue
 			if(GLOB.security_level == SEC_LEVEL_DELTA)