/// <summary>
/// Instantiates a player, puts him in the level, and remembers where to put him when he is resurrected.
/// </summary>
private Tile LoadStartTile(int x, int y)
{
if (Player != null)
throw new NotSupportedException("A level may only have one starting point.");
start = RectangleExtensions.GetBottomCenter(GetBounds(x, y));
player = new Player(this, start);
return LoadEmptyTile(x,y);
}
/// <summary>
/// Called when a gem is collected.
/// </summary>
/// <param name="gem">The gem that was collected.</param>
/// <param name="collectedBy">The player who collected this gem.</param>
private void OnGemCollected(Gem gem, Player collectedBy)
{
score += Gem.PointValue;
gem.OnCollected(collectedBy);
}
/// <summary>
/// Called when this gem has been collected by a player and removed from the level.
/// </summary>
/// <param name="collectedBy">
/// The player who collected this gem. Although currently not used, this parameter would be
/// useful for creating special powerup gems. For example, a gem could make the player invincible.
/// </param>
public void OnCollected(Player collectedBy)
{
collectedSound.Play();
}