deterministic explosion system (#13392)

* wae explosions

* okay

* changes

* fixes

* fix

* ok

* ok

* kills more dead code

* okay

* fix

* ok

* tiles

* ok

* okay

* woops

* ok

* fix

* okay

* mob damage

* fixes

* insanity

* more

* more

* fixes

* more

* woot

* don't commit that

* YES

* fix

code/game/objects/effects/decals/cleanable/misc.dm

@@ -50,6 +50,10 @@
 /obj/effect/decal/cleanable/glass/ex_act()
 	qdel(src)
 
+/obj/effect/decal/cleanable/glass/wave_ex_act(power, datum/wave_explosion/explosion, dir)
+	qdel(src)
+	return power
+
 /obj/effect/decal/cleanable/glass/plasma
 	icon_state = "plasmatiny"
 
@@ -131,6 +135,9 @@
 /obj/effect/decal/cleanable/greenglow/ex_act()
 	return
 
+/obj/effect/decal/cleanable/greenglow/wave_ex_act(power, datum/wave_explosion/explosion, dir)
+	return power
+
 /obj/effect/decal/cleanable/cobweb
 	name = "cobweb"
 	desc = "Somebody should remove that."
@@ -253,6 +260,11 @@
 	if(severity == 1) //so shreds created during an explosion aren't deleted by the explosion.
 		qdel(src)
 
+/obj/effect/decal/cleanable/shreds/wave_ex_act(power, datum/wave_explosion/explosion, dir)
+	if(power > EXPLOSION_POWER_ERASE_SHREDS)
+		qdel(src)
+	return power		// no block
+
 /obj/effect/decal/cleanable/shreds/Initialize()
 	pixel_x = rand(-10, 10)
 	pixel_y = rand(-10, 10)