replace magic numbers related to emp and explosion severity with defines (#26495)

replace even more magic emp and ex numbers

code/game/objects/effects/decals/Cleanable/misc_cleanables.dm

@@ -232,7 +232,7 @@
 	mergeable_decal = FALSE
 
 /obj/effect/decal/cleanable/shreds/ex_act(severity, target)
-	if(severity == 1) //so shreds created during an explosion aren't deleted by the explosion.
+	if(severity == EXPLODE_DEVASTATE) //so shreds created during an explosion aren't deleted by the explosion.
 		qdel(src)
 
 /obj/effect/decal/cleanable/shreds/Initialize(mapload)

code/game/objects/effects/snowcloud.dm

@@ -113,7 +113,7 @@
 	qdel(src)
 
 /obj/effect/snow/ex_act(severity)
-	if(severity == 3 && prob(50))
+	if(severity == EXPLODE_LIGHT && prob(50))
 		return
 	qdel(src)
 

code/game/objects/empulse.dm

@@ -37,16 +37,16 @@
 		var/will_affect = FALSE
 
 		if(distance < heavy_range)
-			will_affect = T.emp_act(1)
+			will_affect = T.emp_act(EMP_HEAVY)
 
 		else if(distance == heavy_range)
 			if(prob(50))
-				will_affect = T.emp_act(1)
+				will_affect = T.emp_act(EMP_HEAVY)
 			else
-				will_affect = T.emp_act(2)
+				will_affect = T.emp_act(EMP_LIGHT)
 
 		else if(distance <= light_range)
-			will_affect = T.emp_act(2)
+			will_affect = T.emp_act(EMP_LIGHT)
 
 		if(will_affect)
 			if(cause == "cult")

code/game/objects/explosion.dm

@@ -195,7 +195,7 @@
 					if(breach)
 						T.ex_act(dist)
 					else
-						T.ex_act(3)
+						T.ex_act(EXPLODE_LIGHT)
 
 			CHECK_TICK
 
@@ -219,7 +219,7 @@
 
 /proc/secondaryexplosion(turf/epicenter, range)
 	for(var/turf/tile in spiral_range_turfs(range, epicenter))
-		tile.ex_act(2)
+		tile.ex_act(EXPLODE_HEAVY)
 
 /client/proc/check_bomb_impacts()
 	set name = "Check Bomb Impact"

code/game/objects/items/devices/flashlight.dm

@@ -393,7 +393,7 @@
 			var/mob/M = A
 			add_attack_logs(user, M, "Hit with EMP-light")
 		to_chat(user, "[src] now has [emp_cur_charges] charge\s.")
-		A.emp_act(1)
+		A.emp_act(EMP_HEAVY)
 	else
 		to_chat(user, "<span class='warning'>\The [src] needs time to recharge!</span>")
 	return

code/game/objects/items/devices/laserpointer.dm

@@ -129,7 +129,7 @@
 	else if(istype(target, /obj/machinery/camera))
 		var/obj/machinery/camera/C = target
 		if(prob(effectchance * diode.rating))
-			C.emp_act(1)
+			C.emp_act(EMP_HEAVY)
 			outmsg = "<span class='notice'>You hit the lens of [C] with [src], temporarily disabling the camera!</span>"
 
 			log_admin("[key_name(user)] EMPd a camera with a laser pointer")

code/game/objects/items/weapons/twohanded.dm

@@ -722,12 +722,12 @@
 		if(HAS_TRAIT(src, TRAIT_WIELDED))
 			if(iswallturf(A))
 				var/turf/simulated/wall/Z = A
-				Z.ex_act(2)
+				Z.ex_act(EXPLODE_HEAVY)
 				charged = 3
 				playsound(user, 'sound/weapons/marauder.ogg', 50, 1)
 			else if(isstructure(A) || ismecha(A))
 				var/obj/Z = A
-				Z.ex_act(2)
+				Z.ex_act(EXPLODE_HEAVY)
 				charged = 3
 				playsound(user, 'sound/weapons/marauder.ogg', 50, 1)
 

code/game/objects/items/weapons/weaponry.dm

@@ -272,7 +272,7 @@
 		var/atom/throw_target = get_edge_target_turf(target, user.dir)
 		user.visible_message("<span class='userdanger'>It's a home run!</span>")
 		target.throw_at(throw_target, rand(8,10), 14, user)
-		target.ex_act(2)
+		target.ex_act(EXPLODE_HEAVY)
 		playsound(get_turf(src), 'sound/weapons/homerun.ogg', 100, 1)
 		homerun_ready = 0
 		return

code/game/objects/structures/depot_structures.dm

@@ -28,7 +28,7 @@
 	return ..()
 
 /obj/structure/fusionreactor/ex_act(severity)
-	if(severity < 3)
+	if(severity < EXPLODE_LIGHT)
 		obj_integrity = 0
 		healthcheck()