Buildings refactoring

src/modules/stream/road_lines_data.h

@@ -15,6 +15,7 @@ protected:
 
 public:
 	struct line_building_data {
+		String id;
 		String building_key;
 		uint64_t building_key_hash;
 		float line_offset;
@@ -66,6 +67,7 @@ public:
 	bool line_has_building(const String &line, const String &building_key);
 	Vector3 get_point_by_offsets(const String &line, float dir_offset,
 				     float normal_offset);
+	void update_buildings_from_lines();
 
 private:
 	void create_segments_from_lines();