Microbattery Asystole (#11519)

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

@@ -224,9 +224,9 @@
 /mob/living/carbon/human/is_asystole()
 	if(isSynthetic())
 		var/obj/item/organ/internal/cell/C = internal_organs_by_name[BP_CELL]
-		if(istype(C))
-			if(!C.is_usable() || !C.percent())
-				return TRUE
+		if(istype(C) && C.is_usable() && C.percent())
+			return FALSE
+		return TRUE
 	else if(should_have_organ(BP_HEART))
 		var/obj/item/organ/internal/heart/heart = internal_organs_by_name[BP_HEART]
 		if(!istype(heart) || !heart.is_working())

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

@@ -742,7 +742,7 @@
 			if (species.tail)
 				animate_tail_reset()
 			if(prob(2) && is_asystole() && isSynthetic())
-				visible_message("<b>[src]</b> [pick("emits low pitched whirr","beeps urgently")]")
+				visible_message("<b>[src]</b> [pick("emits low pitched whirr","beeps urgently")].")
 
 		if(paralysis)
 			AdjustParalysis(-1)
@@ -957,7 +957,7 @@
 
 			if(isSynthetic())
 				var/obj/item/organ/internal/cell/IC = internal_organs_by_name[BP_CELL]
-				if (istype(IC))
+				if(istype(IC) && IC.is_usable())
 					var/chargeNum = Clamp(Ceiling(IC.percent()/25), 0, 4)	//0-100 maps to 0-4, but give it a paranoid clamp just in case.
 					cells.icon_state = "charge[chargeNum]"
 				else
@@ -1073,16 +1073,22 @@
 /mob/living/carbon/human/proc/handle_shock()
 	if(status_flags & GODMODE)
 		return 0
+	var/is_asystole = is_asystole()
+	if(is_asystole && isSynthetic())
+		if(!lying && !buckled_to)
+			to_chat(src, SPAN_WARNING("You don't have enough energy to function!"))
+		Paralyse(3)
+		return
 	if(!can_feel_pain())
 		return
 
-	if(is_asystole())
+	if(is_asystole)
 		shock_stage = max(shock_stage + 1, 61)
 
 	var/traumatic_shock = get_shock()
 	if(traumatic_shock >= max(30, 0.8*shock_stage))
 		shock_stage += 1
-	else if (!is_asystole())
+	else if (!is_asystole)
 		shock_stage = min(shock_stage, 160)
 		var/recovery = 1
 		if(traumatic_shock < 0.5 * shock_stage) //lower shock faster if pain is gone completely