Lines saving works

src/modules/stream/road_lines_editor.cpp

@@ -10,6 +10,8 @@
 #include <scene/3d/camera.h>
 #include <core/io/config_file.h>
 #include <core/os/file_access.h>
+#include <core/os/dir_access.h>
+#include <core/os/time.h>
 #include <core/io/json.h>
 #include <modules/regex/regex.h>
 #include "world_editor.h"
@@ -454,7 +456,7 @@ bool RoadLinesEditor::line_exists(const String &line_name)
 
 void RoadLinesEditor::line_create_point()
 {
-	/* TODO: Create point in line */
+	/* Create point in line */
 	print_line("line_create_point");
 	Vector3 position = get_cursor_position();
 	Transform xform(Basis(), position);
@@ -470,7 +472,7 @@ void RoadLinesEditor::line_create_point()
 
 void RoadLinesEditor::line_delete_point()
 {
-	/* TODO: Delete point from line */
+	/* Delete point from line */
 	print_line("line_delete_point");
 	int index = get_line_index();
 	if (lines[current_line].points.size() < 2)
@@ -820,7 +822,6 @@ void RoadLinesEditor::load_data()
 }
 void RoadLinesEditor::save_data()
 {
-	// TODO: implement
 	int i;
 	ConfigFile config;
 	Error result = config.load("res://config/stream.conf");
@@ -850,9 +851,19 @@ void RoadLinesEditor::save_data()
 		e = e->next();
 	}
 	print_line(JSON::print(output, "\t", false));
-	Error err;
-	FileAccess *fd = FileAccess::open(road_lines_path + ".n",
-					  FileAccess::WRITE, &err);
+	Error err = OK;
+	if (FileAccess::exists(road_lines_path)) {
+		DirAccess *dir = DirAccess::open("res:///", &err);
+		assert(dir && err == OK);
+		err = dir->copy(
+			road_lines_path,
+			road_lines_path + "." +
+				String::num(
+					Time::get_singleton()
+						->get_unix_time_from_system()));
+	}
+	FileAccess *fd =
+		FileAccess::open(road_lines_path, FileAccess::WRITE, &err);
 	if (err == OK) {
 		fd->store_string(JSON::print(output, "\t", false));
 		fd->close();