Simple mobs no longer one-shot structures (#16709)

code/modules/mob/living/simple_animal/hostile/alien.dm

@@ -44,6 +44,8 @@
 	pass_flags = PASSTABLE
 	density = 0
 	mob_size = 3
+	destroy_surroundings = FALSE
+
 
 /mob/living/simple_animal/hostile/retaliate/shantak
 	name = "shantak"
@@ -65,6 +67,7 @@
 	speak = list("Shuhn","Shrunnph?","Shunpf")
 	emote_see = list("scratches the ground","shakes out it's mane","tinkles gently")
 	mob_size = 5
+	break_stuff_probability = 1
 
 /mob/living/simple_animal/yithian
 	name = "yithian"
@@ -90,4 +93,4 @@
 	density = 0
 	mob_size = 1.5
 	canbrush = TRUE
-	brush = /obj/item/reagent_containers/glass/rag
+	brush = /obj/item/reagent_containers/glass/rag

code/modules/mob/living/simple_animal/hostile/bat.dm

@@ -38,6 +38,7 @@
 	minbodytemp = 0
 
 	environment_smash = 1
+	destroy_surroundings = FALSE
 
 	faction = "scarybat"
 	flying = TRUE

code/modules/mob/living/simple_animal/hostile/retaliate/cavern.dm

@@ -28,7 +28,7 @@
 	speed = 4
 	projectiletype = /obj/item/projectile/beam/cavern
 	projectilesound = 'sound/magic/lightningbolt.ogg'
-	destroy_surroundings = 1
+	break_stuff_probability = 2
 
 	emote_see = list("stares","hovers ominously","blinks")
 
@@ -98,7 +98,7 @@
 	emote_hear = list("chirps cheerfully","buzzes","whirrs","hums placidly","chirps","hums")
 	projectiletype = /obj/item/projectile/beam/plasmacutter
 	projectilesound = 'sound/weapons/plasma_cutter.ogg'
-	destroy_surroundings = 1
+	destroy_surroundings = FALSE
 	min_oxy = 0
 	max_oxy = 0
 	min_tox = 0

code/modules/mob/living/simple_animal/hostile/space_fauna.dm

@@ -255,6 +255,7 @@
 	health = 5
 	mob_size = 2
 	density = FALSE
+	destroy_surroundings = FALSE
 
 	blood_overlay_icon = 'icons/mob/npc/blood_overlay_carp.dmi'
 	harm_intent_damage = 5

code/modules/mob/living/simple_animal/hostile/toy/mech.dm

@@ -19,6 +19,7 @@
 	speed = 2
 	mob_size = MOB_MINISCULE
 	tameable = FALSE
+	destroy_surroundings = FALSE
 
 	blood_overlay_icon = null