Refactoring of lines handling

src/modules/stream/stream.cpp

@@ -554,6 +554,14 @@ void StreamWorld::run_command(const String &command, const Array &args)
 	} else if (command == "remove_generated_stuff") {
 		remove_generated_stuff();
 		update_items();
+	} else if (command == "place") {
+		if (args.size() == 0) {
+			print_error("bad command: not enough args: " + command);
+			return;
+		}
+		String what = args[0];
+		if (what == "zebra")
+			place_zebras();
 	} else
 		print_error("No command " + command);
 }
@@ -695,6 +703,9 @@ void StreamWorld::undo()
 	update_view();
 	update_items();
 }
+void StreamWorld::place_zebras()
+{
+}
 void StreamWorld::cleanup()
 {
 	RoadProcessing::cleanup();