extends ActionLeaf

func tick(actor: Node, blackboard: Blackboard) -> int:
	var source_slot = blackboard.get_value("source_slot")
	var target_slot = blackboard.get_value("target_slot")
	
	if source_slot == -1 or target_slot == -1:
		return FAILURE
		
	# Verify conditions are still valid
	if actor.action_points < 2 or actor.playerboard[source_slot] == -1:
		return FAILURE
	
	if actor.playerboard[target_slot] != -1:
		return FAILURE
		
	# Do the arrangement
	if actor.is_multiplayer_authority():
		var item = actor.playerboard[source_slot]
		actor.playerboard[target_slot] = item
		actor.playerboard[source_slot] = -1
		actor.rpc("sync_playerboard", actor.playerboard)
		actor.has_performed_action = true
		actor.action_points -= 2
	
	return SUCCESS