/// <summary>
/// Returns an NPC with a randomly generated type.
/// </summary>
public INPC Create()
{
// 1) Generate a randomised EXtrinsic state object
NPCExState exState = FlyweightFactory.CreateExState();
// 2) Use the NPC type from the EXtrinsic state object
// to generate a (possibly shared) INtrinsic state object.
NPCInState inState = FlyweightFactory.CreateFlyWeight(exState.TypeOfNPC).IntrinsicState;
// 3) Finally create the revised NPC object, which implements INPC.
return(new NPCRevised(inState, exState));
}
/// <summary>
/// Revised implementation of Animate, since Animate
/// now needs to be passed the EXtrinsic state.
/// </summary>
public void Animate(NPCExState exState)
{
AnimationHandler.PerformAnimation(
exState.X, exState.Y, exState.CurrentState,
IntrinsicState.AnimationData);
}
public NPCRevised(NPCInState inState, NPCExState exState)
{
InState = inState;
ExState = exState;
}