Basically ripped over /tg/'s powernet and cable code into our own codebase.

Keeps Z-level code as it was.
Modifies/restores powernet procs as necessary to match our own implementation changes.

code/modules/power/singularity/collector.dm

@@ -8,7 +8,6 @@ var/global/list/rad_collectors = list()
 	icon_state = "ca"
 	anchored = 0
 	density = 1
-	directwired = 1
 	req_access = list(access_engine_equip)
 //	use_power = 0
 	var/obj/item/weapon/tank/phoron/P = null
@@ -30,7 +29,7 @@ var/global/list/rad_collectors = list()
 	//so that we don't zero out the meter if the SM is processed first.
 	last_power = last_power_new
 	last_power_new = 0
-	
+
 
 	if(P)
 		if(P.air_contents.gas["phoron"] == 0)

code/modules/power/singularity/emitter.dm

@@ -40,7 +40,6 @@
 	..()
 	if(state == 2 && anchored)
 		connect_to_network()
-		src.directwired = 1
 
 /obj/machinery/power/emitter/Del()
 	message_admins("Emitter deleted at ([x],[y],[z] - <A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[x];Y=[y];Z=[z]'>JMP</a>)",0,1)
@@ -125,13 +124,13 @@
 		else
 			src.fire_delay = rand(min_burst_delay, max_burst_delay)
 			src.shot_number = 0
-		
+
 		//need to calculate the power per shot as the emitter doesn't fire continuously.
 		var/burst_time = (min_burst_delay + max_burst_delay)/2 + 2*(burst_shots-1)
 		var/power_per_shot = active_power_usage * (burst_time/10) / burst_shots
 		var/obj/item/projectile/beam/emitter/A = new /obj/item/projectile/beam/emitter( src.loc )
 		A.damage = round(power_per_shot/EMITTER_DAMAGE_POWER_TRANSFER)
-		
+
 		playsound(src.loc, 'sound/weapons/emitter.ogg', 25, 1)
 		if(prob(35))
 			var/datum/effect/effect/system/spark_spread/s = new /datum/effect/effect/system/spark_spread
@@ -198,7 +197,6 @@
 						state = 2
 						user << "You weld the [src] to the floor."
 						connect_to_network()
-						src.directwired = 1
 				else
 					user << "\red You need more welding fuel to complete this task."
 			if(2)
@@ -212,7 +210,6 @@
 						state = 1
 						user << "You cut the [src] free from the floor."
 						disconnect_from_network()
-						src.directwired = 0
 				else
 					user << "\red You need more welding fuel to complete this task."
 		return