Merge pull request #13375 from timothyteakettle/emp-rework

the emp rework (emp severity reduces as you move from epicentre, severity is 1-100)

code/game/machinery/computer/_computer.dm

@@ -104,13 +104,8 @@
 /obj/machinery/computer/emp_act(severity)
 	. = ..()
 	if (!(. & EMP_PROTECT_SELF))
-		switch(severity)
-			if(1)
-				if(prob(50))
-					obj_break("energy")
-			if(2)
-				if(prob(10))
-					obj_break("energy")
+		if(prob(severity/1.8))
+			obj_break("energy")
 
 /obj/machinery/computer/deconstruct(disassembled = TRUE, mob/user)
 	on_deconstruction()

code/game/machinery/computer/arcade.dm

@@ -126,12 +126,7 @@
 		return
 
 	var/empprize = null
-	var/num_of_prizes = 0
-	switch(severity)
-		if(1)
-			num_of_prizes = rand(1,4)
-		if(2)
-			num_of_prizes = rand(0,2)
+	var/num_of_prizes = rand(round(severity/50),round(severity/100))
 	for(var/i = num_of_prizes; i > 0; i--)
 		empprize = pickweight(prizes)
 		new empprize(loc)

code/game/machinery/computer/medical.dm

@@ -541,7 +541,7 @@
 	. = ..()
 	if(!(stat & (BROKEN|NOPOWER)) && !(. & EMP_PROTECT_SELF))
 		for(var/datum/data/record/R in GLOB.data_core.medical)
-			if(prob(10/severity))
+			if(prob(severity/10))
 				switch(rand(1,6))
 					if(1)
 						if(prob(10))
@@ -560,7 +560,7 @@
 						R.fields["m_stat"] = pick("*Insane*", "*Unstable*", "*Watch*", "Stable")
 				continue
 
-			else if(prob(1))
+			else if(prob(severity/80))
 				qdel(R)
 				continue
 

code/game/machinery/computer/security.dm

@@ -769,7 +769,7 @@ What a mess.*/
 		return
 
 	for(var/datum/data/record/R in GLOB.data_core.security)
-		if(prob(10/severity))
+		if(prob(severity/10))
 			switch(rand(1,8))
 				if(1)
 					if(prob(10))
@@ -794,7 +794,7 @@ What a mess.*/
 					R.fields["photo_side"] = G.fields["photo_side"]
 			continue
 
-		else if(prob(1))
+		else if(prob(severity/80))
 			qdel(R)
 			continue