feat: replace activity markers with typed sites

world/active_world_adapter.gd

@@ -1,9 +1,6 @@
 class_name ActiveWorldAdapter
 extends Node
 
-@export var guard_marker: Marker3D
-@export var study_marker: Marker3D
-@export var rest_marker: Marker3D
 @export var pantry_storage: StorageNode
 
 
@@ -18,22 +15,40 @@ func get_resource_candidates(action_id: StringName) -> Array[Dictionary]:
 	return candidates
 
 
-func get_activity_target(action_id: StringName) -> Dictionary:
-	var marker: Marker3D
+func get_activity_target(action_id: StringName, origin: Vector3 = Vector3.ZERO) -> Dictionary:
 	match action_id:
 		SimulationIds.ACTION_PATROL:
-			marker = guard_marker
+			return _get_activity_site_target(action_id, origin)
 		SimulationIds.ACTION_STUDY:
-			marker = study_marker
+			return _get_activity_site_target(action_id, origin)
 		SimulationIds.ACTION_REST:
-			marker = rest_marker
+			return _get_activity_site_target(action_id, origin)
 		SimulationIds.ACTION_EAT:
 			return _get_storage_target(pantry_storage)
 		SimulationIds.ACTION_DEPOSIT_FOOD, SimulationIds.ACTION_WITHDRAW_FOOD:
 			return _get_storage_target(pantry_storage)
-	if marker == null:
+	return {}
+
+
+func _get_activity_site_target(action_id: StringName, origin: Vector3) -> Dictionary:
+	var best_site: ActivitySite
+	var best_distance := INF
+	for candidate in ActivitySite.get_all():
+		var site := candidate as ActivitySite
+		if site == null:
+			continue
+		if not site.supports_action(action_id):
+			continue
+		var distance := origin.distance_squared_to(site.get_interaction_position())
+		if distance < best_distance:
+			best_distance = distance
+			best_site = site
+	if best_site == null:
 		return {}
-	return {"target_id": "", "position": marker.global_position}
+	return {
+		"target_id": String(best_site.site_id),
+		"position": best_site.get_interaction_position()
+	}
 
 
 func _get_storage_target(storage_node: StorageNode) -> Dictionary: