/// Try to escape from your current target, without performing any other actions.
/datum/ai_planning_subtree/flee_target
	/// Behaviour to execute in order to flee
	var/flee_behaviour = /datum/ai_behavior/run_away_from_target
	/// Blackboard key in which to store selected target
	var/target_key = BB_BASIC_MOB_CURRENT_TARGET
	/// Blackboard key in which to store selected target's hiding place
	var/hiding_place_key = BB_BASIC_MOB_CURRENT_TARGET_HIDING_LOCATION

/datum/ai_planning_subtree/flee_target/SelectBehaviors(datum/ai_controller/controller, seconds_per_tick)
	. = ..()
	if (!controller.blackboard[BB_BASIC_MOB_FLEEING])
		return
	var/atom/target = controller.blackboard[target_key]
	if(QDELETED(target))
		return
	controller.queue_behavior(flee_behaviour, target_key, hiding_place_key)
	return SUBTREE_RETURN_FINISH_PLANNING //we gotta get out of here.

/// Try to escape from your current target, without performing any other actions.
/// Reads from some fleeing-specific targetting keys rather than the current mob target.
/datum/ai_planning_subtree/flee_target/from_flee_key
	target_key = BB_BASIC_MOB_FLEE_TARGET
	hiding_place_key = BB_BASIC_MOB_FLEE_TARGET_HIDING_LOCATION