public Game LoadGame()
{
Parser parser = new Parser(grammar);
src = File.ReadAllText(FileName.FullName);
ParseTree parseTree = parser.Parse(src, FileName.FullName);
if (parseTree.HasErrors())
{
throw new StorageException(BuildErrorMessage(parseTree.ParserMessages, FileName.Name));
}
root = parseTree.Root;
var nameProperty = GetProperties(root).First(x => x.Item1 == "Name");
var name = getStrVal((ParseTreeNode)nameProperty.Item2);
game = new Game(new Value(name).GetStringValue());
AddDefaultUsings(game);
IEnumerable<ParseTreeNode> usings = grammar.GetOfType(root, grammar.Uses);
foreach(ParseTreeNode node in usings)
{
Using use = CreateUsing(node);
game.AddUsing(use);
}
foreach (Tuple<string, object> attribute in GetProperties(root))
{
ParseTreeNode attributeNode = (ParseTreeNode)attribute.Item2;
if (attribute.Item1 != "Name")
{
game.AddAttribute(new Attribute(attribute.Item1) { Value = new Value(getStrVal(attributeNode)) });
}
}
foreach (ParseTreeNode prototype in grammar.GetOfType(root, grammar.Prototype))
{
Entity entity = CreateEntity(prototype, null, true);
game.AddPrototype(entity);
}
foreach (ParseTreeNode serviceNode in grammar.GetOfType(root, grammar.Service))
{
Service service = CreateService(serviceNode);
game.AddService(service);
}
foreach (ParseTreeNode sceneNode in grammar.GetOfType(root, grammar.Scene))
{
Scene scene = CreateScene(sceneNode);
game.AddScene(scene);
}
var firstScene = game.GetAttribute("FirstScene");
game.FirstScene = game.GetScene(firstScene.Value.GetStringValue());
game.RemoveAttribute(firstScene);
return game;
}
