/// <summary>
/// Changes the current state to the new state, but only if it exists in the cache.
/// </summary>
/// <param name="newState">The new state to use.</param>
/// <returns>true if the new state exists in the cache and the state was changed.</returns>
private bool ChangeState(AiStateType newStateType)
{
bool didStateChange = false;
AiState newState = GetStateFromCache(newStateType);
if (newState != null)
{
if (currentState != null)
{
currentState.OnExitState(); // give the old state a chance to cleanup
}
newState.OnEnterState(); // give the new state a chance to initialize
currentState = newState;
this.currentStateType = newStateType;
didStateChange = true;
}
return(didStateChange);
}
