Added callables

src/modules/stream/road_lines_data.h

@@ -1,5 +1,6 @@
 #ifndef ROAD_LINES_DATA_H
 #define ROAD_LINES_DATA_H
+#include "callable.h"
 class RoadLinesData {
 	String road_lines_path;
 	uint32_t road_lines_hash(const Vector3 &v);
@@ -7,6 +8,7 @@ class RoadLinesData {
 protected:
 	RoadLinesData();
 	static RoadLinesData *singleton;
+	_Signal<void> lines_updated;
 
 public:
 	struct road_line {
@@ -16,6 +18,7 @@ public:
 		int pattern;
 		int flags;
 		Dictionary metadata;
+		_Signal<void> line_updated;
 	};
 	HashMap<String, struct road_line> lines;
 	static RoadLinesData *get_singleton();