[MIRROR] Basic Mob Carp Part VIII: Basic Mob Carp [MDB IGNORE] (#18344)

* Basic Mob Carp Part VIII: Basic Mob Carp

* maps

* missed killing main carp file

* shorki and ocean biomes

* shorki 2: pet-a-boogaloo

Co-authored-by: Jacquerel <hnevard@gmail.com>
Co-authored-by: tastyfish <crazychris32@gmail.com>

code/datums/ai/basic_mobs/basic_subtrees/targetted_mob_ability.dm

@@ -0,0 +1,26 @@
+/// Attempts to use a mob ability on a target
+/datum/ai_planning_subtree/targetted_mob_ability
+	/// Blackboard key for the ability
+	var/ability_key
+	/// Blackboard key for where the target ref is stored
+	var/target_key = BB_BASIC_MOB_CURRENT_TARGET
+	/// Behaviour to perform using ability
+	var/use_ability_behaviour = /datum/ai_behavior/try_mob_ability
+
+/datum/ai_planning_subtree/targetted_mob_ability/SelectBehaviors(datum/ai_controller/controller, delta_time)
+	if (!ability_key)
+		CRASH("You forgot to tell this mob where to find its ability")
+
+	var/datum/weakref/weak_target = controller.blackboard[target_key]
+	var/mob/living/target = weak_target?.resolve()
+	if (QDELETED(target))
+		return
+
+	var/datum/action/cooldown/using_action = controller.blackboard[ability_key]
+	if (QDELETED(using_action))
+		return
+	if (!using_action.IsAvailable())
+		return
+
+	controller.queue_behavior(use_ability_behaviour, ability_key, target_key)
+	return SUBTREE_RETURN_FINISH_PLANNING