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/game/objects/structures/electricchair.dm

@@ -75,10 +75,9 @@
 	var/area/A = get_area(src)
 	if(!isarea(A))
 		return
-	if(!A.powered(EQUIP))
+	if(!A.powernet.has_power(PW_CHANNEL_EQUIPMENT))
 		return
-	A.use_power(5000, EQUIP)
-	var/light = A.power_light
+	A.powernet.use_active_power(PW_CHANNEL_EQUIPMENT, 5000)
 	A.update_icon(UPDATE_ICON_STATE)
 
 	flick("echair_shock", src)
@@ -91,5 +90,3 @@
 			to_chat(buckled_mob, "<span class='danger'>You feel a deep shock course through your body!</span>")
 			spawn(1)
 				buckled_mob.electrocute_act(110, src, 1)
-	A.power_light = light
-	A.update_icon(UPDATE_ICON_STATE)

code/game/objects/structures/morgue.dm

@@ -542,10 +542,10 @@ GLOBAL_LIST_EMPTY(crematoriums)
 	icon = 'icons/obj/power.dmi'
 	icon_state = "crema_switch"
 	resistance_flags = INDESTRUCTIBLE // could use a more elegant solution like being able to be rebuilt, broken and repaired, or by directly attaching the switch to the crematorium
-	power_channel = EQUIP
-	use_power = IDLE_POWER_USE
-	idle_power_usage = 100
-	active_power_usage = 5000
+	power_channel = PW_CHANNEL_EQUIPMENT
+	power_state = IDLE_POWER_USE
+	idle_power_consumption = 100
+	active_power_consumption = 5000
 	anchored = TRUE
 	req_access = list(ACCESS_CREMATORIUM)
 	/// ID of the crematorium to hook into
@@ -556,7 +556,7 @@ GLOBAL_LIST_EMPTY(crematoriums)
 		return attack_hand(user)
 
 /obj/machinery/crema_switch/attack_hand(mob/user)
-	if(!powered(power_channel)) // Do we have power?
+	if(!has_power(power_channel)) // Do we have power?
 		return
 
 	if(!(allowed(usr) || user.can_advanced_admin_interact()))

code/game/objects/structures/watercloset.dm

@@ -251,7 +251,7 @@
 	icon_state = "shower"
 	density = FALSE
 	anchored = TRUE
-	use_power = NO_POWER_USE
+	power_state = NO_POWER_USE
 	///Is the shower on or off?
 	var/on = FALSE
 	///What temperature the shower reagents are set to.

code/game/objects/structures/window.dm

@@ -599,8 +599,9 @@
 			D.toggle_polarization()
 
 /obj/machinery/button/windowtint/power_change()
-	..()
-	if(active && !powered(power_channel))
+	if(!..())
+		return
+	if(active && (stat & NOPOWER))
 		toggle_tint()
 
 /obj/machinery/button/windowtint/update_icon_state()