private void SpawnEnemy()
{
_enemyCount++;
var hp = Instantiate(_enemyHpViewPrefab, Vector3.zero, Quaternion.identity) as EnemyHpView;
hp.transform.SetParent(_canvas.transform);
EnemyEntity enemy = null;
var rnd = UnityEngine.Random.Range(0, 2);
if (rnd == 0)
{
enemy = Instantiate(_golemPrefab, _spawnPoint.position, Quaternion.identity) as EnemyEntity;
}
else
{
enemy = Instantiate(_gydraPrefab, _spawnPoint.position, Quaternion.identity) as EnemyEntity;
}
enemy.GetComponent <EnemyMovement>().SetPath(_wayPoints);
_enemyes.Add(enemy);
EnemyCountChanged();
enemy.Destroyed += OnEnemyDestroyed;
hp.SetTarget(enemy);
}
void MoveToEnemy()
{
if (Target.GetComponent <EnemyEntity>().Health > 0)
{
transform.LookAt(Target.transform.position + Vector3.up);
transform.Translate(Vector3.forward * Time.deltaTime * Speed);
}
else
{
Destroy(gameObject);
}
}
/// <summary>
/// Method call when the FSM Start. Creating the behavior for the FSM
/// -Setting the plane to the initial position
/// -Creating the state to go to the shot position and his transition to know when reach the position ( setting acctually by time)
/// -Create the state shot with a always true transition ( converting the shot state in a one frame state )
/// -Create the state to go to the final position and his transition to know when reach the position ( setting acctually by time)
/// </summary>
public override void Create()
{
// getting the plane and getting the speed for easy time calculation
EnemyEntity plane = (StateMachine as FSMEnemyBehavior).Plane;
float planeSpeed = plane.GetComponentInChildren <EntityMovement>().Speed;
float timeToReachPosition = 0;
// setting the plane in the initial position
plane.GetComponent <EntityMovement>().Position = _initialPosition;
// calculate the time to reach the shop position
timeToReachPosition = (_shotPosition - _initialPosition).magnitude / planeSpeed;
// creating the state go to position
FSMState stateGoToShotPosition = new FSMStateMoveToScreenPosition(this, _shotPosition, timeToReachPosition);
// creating the transition to inform when reach shopPosition
FSMTransition onReachShotPositionByTime = new FSMTransitionTime(this, timeToReachPosition);
// creating state shot
FSMState stateShot = new FSMStateShot(this);
// creating one frame transition
FSMTransition onShot = new FSMTransitionTrue(this);
// calculating the time to reach the final positions
timeToReachPosition = (_finalPosition - _shotPosition).magnitude / planeSpeed;
// creating the state go to final position
FSMState stateGoToFinalPositions = new FSMStateMoveToScreenPosition(this, _finalPosition, timeToReachPosition);
// creating the transition when reach final position
FSMTransition onReachFinalPositionByTime = new FSMTransitionTime(this, timeToReachPosition);
//creating the states flow
// fist state go to shot positions
SetFirstState(stateGoToShotPosition);
// go to shot position with transition on reach position by time
stateGoToShotPosition.AddTransition(onReachShotPositionByTime);
// on reach position go to state shot
onReachShotPositionByTime.SetNextState(stateShot);
// set transition on shot for state shot
stateShot.AddTransition(onShot);
// set next state as go to final position
onShot.SetNextState(stateGoToFinalPositions);
// set transition for state go to finish positoin as reach final position
stateGoToFinalPositions.AddTransition(onReachFinalPositionByTime);
base.Create();
}
void AddTargetsAsOther()
{
if (gameManager.enemyEntities.Count > 0)
{
foreach (EnemyEntity enemy in gameManager.enemyEntities)
{
Entity entity = enemy.GetComponent <Entity>();
if (!targets.Contains(entity))
{
targets.Add(entity);
entity.OnDeathEvent.AddListener(delegate {
targets.Remove(entity);
});
}
}
}
}