Various Simple Mob Fixes (#11618)

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

@@ -227,6 +227,7 @@
 			AM.forceMove(loc)
 		captured = WEAKREF(L)
 		buckle(L)
+		layer = L.layer + 0.1
 		playsound(src, 'sound/weapons/beartrap_shut.ogg', 100, 1)
 		deployed = FALSE
 		src.shake_animation()
@@ -368,6 +369,7 @@
 	shake_animation()
 	update_icon()
 	release_time = world.time
+	layer = initial(layer)
 
 /obj/item/trap/animal/attackby(obj/item/W, mob/user)
 	if(istype(W, /obj/item/grab))
@@ -585,7 +587,7 @@
 			return
 
 		user.visible_message("<span class='notice'>[user] begins [anchored ? "un" : "" ]securing \the [src]!</span>",
-							  "<span class='notice'>You beign [anchored ? "un" : "" ]securing \the [src]!</span>")
+							  "<span class='notice'>You begin [anchored ? "un" : "" ]securing \the [src]!</span>")
 		playsound(src.loc, W.usesound, 50, 1)
 
 		if(do_after(user, 30/W.toolspeed, act_target = src))

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

@@ -175,6 +175,8 @@ mob/living/simple_animal/hostile/hitby(atom/movable/AM as mob|obj,var/speed = TH
 	setClickCooldown(attack_delay)
 	if(!Adjacent(target_mob))
 		return
+	if(!canmove)
+		return
 	if(!see_target())
 		LoseTarget()
 	for(var/grab in grabbed_by)
@@ -210,6 +212,8 @@ mob/living/simple_animal/hostile/hitby(atom/movable/AM as mob|obj,var/speed = TH
 /mob/living/simple_animal/hostile/proc/PostAttack(var/atom/target)
 	if(stat)
 		return
+	if(!isturf(loc)) // no teleporting out of lockers
+		return
 	for(var/grab in grabbed_by)
 		var/obj/item/grab/G = grab
 		if(G.state >= GRAB_AGGRESSIVE)

html/changelogs/geeves-locker_teleportation.yml

@@ -0,0 +1,8 @@
+author: Geeves
+
+delete-after: True
+
+changes:
+  - bugfix: "Mobs no longer teleport out of lockers after trying to attack people."
+  - bugfix: "Hostile mobs no longer attack out of traps."
+  - bugfix: "Trap now properly layer over mobs they've trapped."