feat: add nearby social interactions

scenes/Maps/ScenePortal.gd

@@ -1,6 +1,8 @@
 class_name ScenePortal
 extends Area2D
 
+const InteractionAnchorUtil = preload("res://_Core/utils/InteractionAnchor.gd")
+
 # ============================================================================
 # ScenePortal.gd - 场景入口传送组件
 # ============================================================================
@@ -10,14 +12,30 @@ extends Area2D
 @export var targetSceneName: String = ""
 @export var targetSpawnName: String = ""
 @export var targetPosition: Vector2 = Vector2.ZERO
+@export var interactionTitle: String = "进入"
+@export var interactionDistance: float = 160.0
 
 func _ready() -> void:
-	body_entered.connect(_on_body_entered)
+	add_to_group("whaletown_interactable")
 
 func _on_body_entered(body: Node2D) -> void:
-	if not (body is PlayerController):
-		return
-	_change_scene()
+	return
+
+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 []
+	var label := interactionTitle.strip_edges()
+	if label.is_empty():
+		label = "进入 %s" % targetSceneName
+	return [{
+		"id": "portal:%s" % get_instance_id(),
+		"title": label,
+		"distance": distance,
+		"priority": 20,
+		"callback": Callable(self, "_change_scene"),
+	}]
 
 func _change_scene() -> void:
 	if targetSceneName.is_empty():