public event EventHandler LoadLevel; //Event for loading a new level.
#endregion
#region Constructors
/// <summary>
/// SnakeViewModel constructor
/// </summary>
/// <param name="model"></param>
public SnakeViewModel(SnakeModel model)
{
//Set the model.
this.model = model;
//Subscribe to the events of the model.
model.MapChanged += new EventHandler <MapChangedEventArgs>(Model_MapChanged);
model.TileChanged += new EventHandler <TileChangedEventArgs>(Model_TileChanged);
//Define the commands.
UpCommand = new DelegateCommand(param => model.Direction = Direction.Up);
DownCommand = new DelegateCommand(param => model.Direction = Direction.Down);
LeftCommand = new DelegateCommand(param => model.Direction = Direction.Left);
RightCommand = new DelegateCommand(param => model.Direction = Direction.Right);
ExitCommand = new DelegateCommand(param => OnExit());
RestartCommand = new DelegateCommand(param => model.RestartLevel());
PauseCommand = new DelegateCommand(param => OnPause());
LoadCommand = new DelegateCommand(param => OnLoad());
//Initialize the fields collection.
Fields = new ObservableCollection <ViewField>();
}
public void SnakeRestartLevelTest()
{
model.LoadLevel(string.Empty);
//restart the level
model.RestartLevel();
//check the map size
Assert.AreEqual(model.MapSize, 7);
//check if there is a wall in the correct place
Assert.AreEqual(model[0, 0], TileType.Wall);
//check if the snake is in place
for (int i = 1; i <= 5; i++)
{
Assert.AreEqual(model[3, i], TileType.Snake);
}
//check if the snake is oriented right
Assert.AreEqual(model.Direction, Direction.Right);
//check if the timer is running
Assert.AreEqual(model.Paused, false);
//check if the score is right
Assert.AreEqual(model.Score, 0);
}
/// <summary>
/// Event handler for game over.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Model_GameOver(object sender, GameOverEventArgs e)
{
MessageBox.Show("Score: " + e.Score, "Game Over", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
model.RestartLevel();
}
