public void AddCreature(Creature creature)
{
if (this.creature != null)
{
throw new SquareOccupiedException(creature, this.creature, coordinate);
}
this.creature = creature;
}
public void AddCreature(Coordinate c, Creature creature)
{
Square square = GetSquare(c);
if (!square.HasCreature()) square.AddCreature(creature);
}
public SquareOccupiedException(Creature intruder, Creature occupant, Coordinate coordinate)
: base(intruder.ToString() +"Cannot move to "+coordinate.ToString()+". Square is occupied by " + occupant.ToString() + ".")
{
}