public void CrystalCollected(Crystal c)
{
this._crystalsCollected.Add(c.CrystalId);
}
private static Crystal GetCrystal(World world, XmlElement cdef)
{
var id = int.Parse(cdef.GetAttribute("Id"));
var tilePos = new TilePos(int.Parse(cdef.GetAttribute("Left")), int.Parse(cdef.GetAttribute("Top")));
var position = tilePos.ToPosition();
var score = int.Parse(cdef.GetAttribute("Score"));
var energy = int.Parse(cdef.GetAttribute("Energy"));
var result = new Crystal(world, position, id, score, energy);
return result;
}