// Use this for initialization
protected virtual void Start()
{
model = GetComponent <GenericShipModel>();
view = GetComponent <GenericShipView>();
_myDetector = GetComponent <SphereDetector>();
if (_myDetector == null)
{
Debug.LogError("No Detector attached to " + gameObject + "!");
}
// Check if initial state is specified. If not, and there is no waypoint manager, then begin in square patrol mode.
// Otherwise, begin in waypoint patrol mode.
if (_startState == GenericShipAiState.Idle && _waypointManager == null)
{
_currentState = GenericShipAiState.SquarePatrolling;
}
if (_startState == GenericShipAiState.Idle && _waypointManager != null)
{
_currentState = GenericShipAiState.WaypointPatrolling;
}
// If we are patrolling and have no waypoints, then begin patrolling in square formation.
if (_currentState == GenericShipAiState.SquarePatrolling)
{
StartCoroutine(SquareFormationPatrol());
}
// Begin custom update loop for AI.
InvokeRepeating(nameof(UpdateAiController), 0.0f, _behaviorChangeRate);
}
// Updates the AI controller.
private void UpdateAiController()
{
if (_currentState == GenericShipAiState.SquarePatrolling)
{
// If we are in square formation patrol and have reached our current forward point, then turn left and generate a new forward point.
if (transform.position == _forwardSquarePatrolPoint)
{
// Turn some number of degrees left.
transform.Rotate(new Vector3(0, 0, Random.Range(0, 90)));
StartCoroutine(SquareFormationPatrol());
}
}
// Check if there is an enemy within range.
var closestEnemy = _myDetector.ClosestEnemy();
// If we have an enemy, then chase and attack it. Otherwise, resume patrolling.
// Don't execute this if we're in lock chase
if (closestEnemy != null && !_lockedInChase)
{
_currentState = GenericShipAiState.Chasing;
StartCoroutine(LockChase());
StartCoroutine(ChaseAttackEnemyVariance());
StartCoroutine(ChaseAttackEnemy(closestEnemy));
}
else if (closestEnemy == null)
{
if (_waypointManager != null)
{
_currentState = GenericShipAiState.WaypointPatrolling;
}
_currentState = GenericShipAiState.SquarePatrolling;
}
}