public bool SwitchState(T newState)
{
OnStateFinish?.Invoke(CurrentState, newState);
CurrentState = newState;
OnStateStart?.Invoke(CurrentState, newState);
return(true);
}
public void AddState(StateBase state)
{
var stateType = state.GetType();
Debug.Assert(!States.ContainsKey(stateType));
States.Add(stateType, state);
state.Initialize(Context);
state.OnEnter += (enterState) => { OnStateEnter?.Invoke(enterState); };
state.OnFinish += (finishState) => { OnStateFinish?.Invoke(finishState); };
}
public void ExitStateCallback(T owner)
{
// If we have states queued, enter the next state on that list
if (StateQueue.Count > 0)
{
State <T> state = StateQueue[0];
StateQueue.RemoveAt(0);
UpdateStateHistory();
currentState = null;
ChangeState(state);
}
// If we don't have states queued trigger the OnStateFinish event that the owner can react to
else if (OnStateFinish != null)
{
UpdateStateHistory();
currentState = null;
OnStateFinish?.Invoke();
}
}
protected virtual void Finish() => OnStateFinish?.Invoke(this);
