Refactoring of lines handling

src/modules/stream/road_lines_data.h

@@ -0,0 +1,48 @@
+#ifndef ROAD_LINES_DATA_H
+#define ROAD_LINES_DATA_H
+class RoadLinesData {
+	String road_lines_path;
+	uint32_t road_lines_hash(const Vector3 &v);
+
+protected:
+	RoadLinesData();
+	static RoadLinesData *singleton;
+
+public:
+	struct road_line {
+		std::vector<Transform> points;
+		std::vector<int> indices;
+		int lanes;
+		int pattern;
+		int flags;
+		Dictionary metadata;
+	};
+	HashMap<String, struct road_line> lines;
+	static RoadLinesData *get_singleton();
+	static void cleanup();
+	String get_road_lines_path();
+	void get_road_lines_key_list(List<String> *keys);
+	void save_data();
+	void process_lines(std::unordered_map<uint32_t, std::vector<Vector3> >
+				   &road_lines_nodes_hash,
+			   std::vector<Vector3> &road_lines_nodes);
+
+private:
+	void index_lines(std::unordered_map<uint32_t, std::vector<Vector3> >
+				 &road_lines_nodes_hash,
+			 std::vector<Vector3> &road_lines_nodes);
+
+	void create_segments(const String &road, std::vector<int> &segments);
+
+	void insert_close_points(std::vector<Vector3> &road_lines_nodes);
+
+	void update_road_lines_nodes(std::vector<Vector3> &road_lines_nodes);
+
+	void dump_road_lines(const std::vector<Vector3> &road_lines_nodes);
+	void road_lines_curve_index(
+		struct RoadLinesData::road_line &rline,
+		std::unordered_map<uint32_t, std::vector<Vector3> >
+			&road_lines_nodes_hash,
+		std::vector<Vector3> &road_lines_nodes);
+};
+#endif