refactor: unify interactable components

scenes/characters/NPCController.gd

@@ -18,7 +18,6 @@ class_name NPCController
 signal interaction_happened(text: String)
 
 const CHAT_BUBBLE_SCENE: PackedScene = preload("res://scenes/ui/ChatBubble.tscn")
-const InteractionAnchorUtil = preload("res://_Core/utils/InteractionAnchor.gd")
 const CHAT_BUBBLE_LAYER_NAME: String = "WorldChatBubbleLayer"
 const CHAT_BUBBLE_TARGET_OFFSET: Vector2 = Vector2(0, -84)
 const NPC_TALKED_EVENT: String = "npc_talked"
@@ -42,7 +41,14 @@ const NAMEPLATE_VISUAL_CHAR_WIDTH: int = 12
 var _nameplate: Label
 
 func _ready() -> void:
-	add_to_group("whaletown_interactable")
+	if get_node_or_null("CafeCompanionTarget") == null:
+		var interactable: InteractableComponent = InteractableComponent.new()
+		interactable.interaction_id = "npc:%s" % str(get_path())
+		interactable.interaction_title = "与 %s 交谈" % npcName
+		interactable.interaction_priority = 40
+		interactable.interaction_distance = interactionDistance
+		interactable.activation_method = &"interact"
+		add_child(interactable)
 	# 播放场景里配置好的待机动画，让不同 NPC 可以复用同一个控制器。
 	if animation_player.has_animation("idle"):
 		animation_player.play("idle")
@@ -68,19 +74,6 @@ func interact() -> void:
 		})
 		interaction_happened.emit(dialogue)
 
-func get_interaction_actions(player: Node2D) -> Array[Dictionary]:
-	var anchor_position: Vector2 = InteractionAnchorUtil.get_position(self)
-	var distance: float = anchor_position.distance_to(player.global_position)
-	if distance > interactionDistance:
-		return []
-	return [{
-		"id": "npc:%s" % get_instance_id(),
-		"title": "与 %s 交谈" % npcName,
-		"distance": distance,
-		"priority": 40,
-		"callback": Callable(self, "interact"),
-	}]
-
 # 在 NPC 头顶生成一次性聊天气泡。
 #
 # 参数: