Updates emitters and containment field power usage

As well as PA power usage. It's not used at the moment, but it might be
used by downstream or in the future.

code/modules/mob/living/carbon/carbon.dm

@@ -104,6 +104,7 @@
 	shock_damage *= siemens_coeff
 	if (shock_damage<1)
 		return 0
+	
 	src.take_overall_damage(0,shock_damage,used_weapon="Electrocution")
 	//src.burn_skin(shock_damage)
 	//src.adjustFireLoss(shock_damage) //burn_skin will do this for us
@@ -117,6 +118,11 @@
 	Stun(10)//This should work for now, more is really silly and makes you lay there forever
 //	if(src.weakened < 20*siemens_coeff)	src.weakened = 20*siemens_coeff
 	Weaken(10)
+	
+	var/datum/effect/effect/system/spark_spread/s = new /datum/effect/effect/system/spark_spread
+	s.set_up(5, 1, loc)
+	s.start()
+	
 	return shock_damage
 
 

code/modules/mob/living/silicon/silicon.dm

@@ -37,6 +37,22 @@
 /mob/living/silicon/stun_effect_act(var/stun_amount, var/agony_amount)
 	return	//immune
 
+/mob/living/silicon/electrocute_act(var/shock_damage, var/obj/source, var/siemens_coeff = 1.0)
+	
+	if (istype(source, /obj/machinery/containment_field))
+		var/datum/effect/effect/system/spark_spread/s = new /datum/effect/effect/system/spark_spread
+		s.set_up(5, 1, loc)
+		s.start()
+		
+		shock_damage *= 0.75	//take reduced damage
+		take_overall_damage(0, shock_damage)
+		visible_message("\red [src] was shocked by \the [source]!", \
+			"\red <B>Energy pulse detected, system damaged!</B>", \
+			"\red You hear an electrical crack")
+		if(prob(20))
+			Stun(2)
+		return
+
 /mob/living/silicon/proc/damage_mob(var/brute = 0, var/fire = 0, var/tox = 0)
 	return