Fixes several bugs with AI mobs

code/modules/ai/aI_holder_subtypes/simple_mob_ai.dm

@@ -16,9 +16,9 @@
 	can_flee = TRUE
 	violent_breakthrough = FALSE
 
-// Won't wander away, ideal for event-spawned mobs like carp or drones.
+// Won't wander away as quickly, ideal for event-spawned mobs like carp or drones.
 /datum/ai_holder/simple_mob/event
-	wander = FALSE
+	base_wander_delay = 8
 
 // Doesn't really act until told to by something on the outside.
 /datum/ai_holder/simple_mob/inert
@@ -60,7 +60,7 @@
 
 // For event-spawned malf drones.
 /datum/ai_holder/simple_mob/ranged/kiting/threatening/event
-	wander = FALSE
+	base_wander_delay = 8
 
 /datum/ai_holder/simple_mob/ranged/kiting/no_moonwalk
 	moonwalk = FALSE
@@ -96,6 +96,11 @@
 /datum/ai_holder/simple_mob/restrained
 	violent_breakthrough = FALSE
 	conserve_ammo = TRUE
+	destructive = FALSE
+
+// This does the opposite of the above subtype.
+/datum/ai_holder/simple_mob/destructive
+	destructive = TRUE
 
 // Melee mobs.
 

code/modules/ai/aI_holder_subtypes/slime_xenobio_ai.dm

@@ -12,13 +12,16 @@
 
 	var/always_stun = FALSE // If true, the slime will elect to attempt to permastun the target.
 
+	var/last_discipline_decay = null // Last world.time discipline was reduced from decay.
+	var/discipline_decay_time = 5 SECONDS // Earliest that one discipline can decay.
+
 /datum/ai_holder/simple_mob/xenobio_slime/sapphire
 	always_stun = TRUE // They know that stuns are godly.
 	intelligence_level = AI_SMART // Also knows not to walk while confused if it risks death.
 
 /datum/ai_holder/simple_mob/xenobio_slime/light_pink
-	discipline = 5
-	obedience = 5
+	discipline = 10
+	obedience = 10
 
 /datum/ai_holder/simple_mob/xenobio_slime/passive/New() // For Kendrick.
 	..()
@@ -89,9 +92,10 @@
 
 // Handles decay of discipline.
 /datum/ai_holder/simple_mob/xenobio_slime/proc/discipline_decay()
-	if(discipline > 0)
+	if(discipline > 0 && last_discipline_decay + discipline_decay_time < world.time)
 		if(!prob(75 + (obedience * 5)))
 			adjust_discipline(-1)
+			last_discipline_decay = world.time
 
 /datum/ai_holder/simple_mob/xenobio_slime/handle_special_tactic()
 	evolve_and_reproduce()

code/modules/ai/ai_holder_targeting.dm

@@ -15,8 +15,9 @@
 	var/lose_target_time = 0				// world.time when a target was lost.
 	var/lose_target_timeout = 5 SECONDS		// How long until a mob 'times out' and stops trying to find the mob that disappeared.
 
-	var/list/attackers = list()			// List of strings of names of people who attacked us before in our life.
-										// This uses strings and not refs to allow for disguises, and to avoid needing to use weakrefs.
+	var/list/attackers = list()				// List of strings of names of people who attacked us before in our life.
+											// This uses strings and not refs to allow for disguises, and to avoid needing to use weakrefs.
+	var/destructive = FALSE					// Will target 'neutral' structures/objects and not just 'hostile' ones.
 
 // A lot of this is based off of /TG/'s AI code.
 
@@ -111,6 +112,7 @@
 		var/obj/mecha/M = the_target
 		if(M.occupant)
 			return can_attack(M.occupant)
+		return destructive // Empty mechs are 'neutral'.
 
 	if(istype(the_target, /obj/machinery/porta_turret))
 		var/obj/machinery/porta_turret/P = the_target