/// <summary>
/// method called when a enemy should be spawn,
/// -create the enemy with the enemy factory
/// -call the method "CreateEnemyBehaviorFSM" for create the enemy state machine with the spawn info data
/// -set the FSM to the enemy
/// -add the FSM to the list
/// -remove the spawn info from the level spawn info
/// </summary>
private void processEnemyInfo()
{
// create the enemy
EnemyEntity enemyBeingSpawn = FactoryEnemies.CreateEnemy(_enemiesSpawnInfo[0].EnemyPrefab);
// create the FSM for the enemy with the spawn data
FSMachine machine = CreateEnemyBehaviorFSM(enemyBeingSpawn, _enemiesSpawnInfo[0]);
// set the behavior var for the enemy
enemyBeingSpawn.GetComponentInChildren <EnemyBehavior>().Behavior = machine;
// adding the enemy to the FSM
AddNewEnemyFSM(machine);
// remove for the info
_enemiesSpawnInfo.RemoveAt(0);
}
/// <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();
}
