SaverLoader base

metroidvania/SaverLoader.gd

@@ -0,0 +1,36 @@
+extends Node
+
+const save_path = "user://savegame.save"
+
+func save_game():
+	var save_game = File.new()
+	save_game.open(save_path, File.WRITE)
+	var persistingNodes = get_tree().get_nodes_in_group("Persists")
+	for node in persistingNodes:
+		var nodeData = node.save()
+		save_game.store_line(to_json(nodeData))
+	save_game.close()
+	
+func load_game():
+	var save_game = File.new()
+
+	if not save_game.file_exists(save_path):
+		return
+	
+	var persistingNodes = get_tree().get_nodes_in_group("Persists")
+	for node in persistingNodes:
+		node.queue_free()
+		
+	save_game.open(save_path, File.READ)
+	while not save_game.eof_reached():
+		var current_line = parse_json(save_game.get_line())
+		if current_line != null:
+			var newNode = load(current_line["filename"]).instance()
+			get_node(current_line["parent"]).add_child(newNode, true)
+			newNode.position = Vector2(current_line["position_x"], current_line["position_y"])
+			for property in current_line.keys():
+				if property != "filename" and property != "parent" and property != "position_x" and property != "position_y":
+					newNode.set(property, current_line[property])
+
+	save_game.close()
+