/// <summary>
/// Awake.
/// </summary>
private void Awake()
{
_stateMachineController = new StateMachineController();
_navMeshAgent = GetComponent <NavMeshAgent>();
_entity = GetComponent <Entity>();
EntityIdle entityIdle = new EntityIdle();
EntityChasePlayer entityChasePlayer = new EntityChasePlayer(_navMeshAgent);
EntityAttack entityAttack = new EntityAttack();
EntityDead entityDead = new EntityDead();
_stateMachineController.Add(entityIdle);
_stateMachineController.Add(entityChasePlayer);
_stateMachineController.Add(entityAttack);
_stateMachineController.AddAnyStateTransition(entityDead, () => _entity.IsDead);
Player player = FindObjectOfType <Player>();
_stateMachineController.AddStateTransition(entityIdle,
entityChasePlayer,
() => FlatDistance(_navMeshAgent.transform.position, player.transform.position) < 5);
_stateMachineController.AddStateTransition(entityChasePlayer,
entityAttack,
() => FlatDistance(_navMeshAgent.transform.position, player.transform.position) < 2);
_stateMachineController.ChangeState(entityIdle);
}
public void second_change_state_switches_to_second_state()
{
StateMachineController stateMachineController = new StateMachineController();
IState firstState = Substitute.For <IState>();
stateMachineController.Add(firstState);
IState secondState = Substitute.For <IState>();
stateMachineController.Add(secondState);
stateMachineController.ChangeState(firstState);
Assert.AreSame(firstState, stateMachineController.CurrentState);
stateMachineController.ChangeState(secondState);
Assert.AreSame(secondState, stateMachineController.CurrentState);
}
public void transition_does_not_switch_state_when_condition_is_not_met()
{
StateMachineController stateMachineController = new StateMachineController();
IState firstState = Substitute.For <IState>();
stateMachineController.Add(firstState);
IState secondState = Substitute.For <IState>();
stateMachineController.Add(secondState);
bool ShouldTransitionToState() => false;
stateMachineController.AddStateTransition(firstState, secondState, ShouldTransitionToState);
stateMachineController.ChangeState(firstState);
Assert.AreSame(firstState, stateMachineController.CurrentState);
stateMachineController.Tick();
Assert.AreSame(firstState, stateMachineController.CurrentState);
}