Worked on buildings in lines

src/modules/stream/road_lines_data.h

@@ -14,17 +14,34 @@ protected:
 	_Signal<void> lines_updated;
 
 public:
-	static ImmediateGeometry *get_debug_node();
+	struct line_building_data {
+		String building_key;
+		uint64_t building_key_hash;
+		float line_offset;
+		float normal_offset;
+	};
+	struct line_segment {
+		Vector3 p1;
+		Vector3 p2;
+		float length;
+		Vector3 dir;
+		Vector3 tangent;
+		float offset;
+	};
 	struct road_line {
 		std::vector<Transform> points;
 		std::vector<int> indices;
+		std::vector<struct line_building_data> buildings;
+		std::vector<struct line_segment> segments;
 		int lanes;
 		int pattern;
 		int flags;
 		Dictionary metadata;
 		_Signal<void> line_updated;
 	};
+	static ImmediateGeometry *get_debug_node();
 	HashMap<String, struct road_line> lines;
+	HashMap<String, Ref<Curve3D> > curves;
 	static RoadLinesData *get_singleton();
 	virtual ~RoadLinesData();
 	static void cleanup();
@@ -36,6 +53,13 @@ public:
 			   std::vector<Vector3> &road_lines_nodes);
 	void set_debug_flags(int debug_flags);
 	int get_debug_flags() const;
+	void update_line_segments(const String &line);
+	void line_add_building(const String &line, const String &key,
+			       float curve_offset, float normal_offset);
+	void assign_close_buildings(const String &line);
+	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);
 
 private:
 	void create_segments_from_lines();