IEnumerator DecideAction()
{
while (true)
{
if (stateHandler.IsCurrentState(EnemyStateHandler.States.Patrolling) ||
stateHandler.IsCurrentState(EnemyStateHandler.States.Chasing))
{
if (playerDetection.IsPlayerInView())
{
stateHandler.SwitchToDetectedPlayerState();
movement.StopRotating();
Vector3 rotateDir = (GameManager.instance.player.transform.position - transform.position).normalized;
yield return(StartCoroutine(movement.RotateTowardsDirection(rotateDir)));
if (!stateHandler.IsCurrentState(EnemyStateHandler.States.Dead))
{
yield return(StartCoroutine(playerDetection.CheckIfHeldLineOfSight()));
}
}
else
{
HandleWaypoint(waypointHandler.GetCurrentWaypoint());
}
}
else if (stateHandler.IsCurrentState(EnemyStateHandler.States.Shooting))
{
gunHandler.Shoot();
transform.forward = (GameManager.instance.player.transform.position - transform.position).normalized;
if (!playerDetection.IsPlayerInView())
{
stateHandler.SwitchToChasingState();
}
}
else if (stateHandler.IsCurrentState(EnemyStateHandler.States.LookAround))
{
if (!movement.isLookingAround)
{
StartCoroutine(movement.LookAroundForPlayer());
}
}
yield return(new WaitForFixedUpdate());
}
}
/// <summary>
/// Checks after secondsToWait if the player is still in line of sight, then switches to shooting/patrol state
/// </summary>
public IEnumerator CheckIfHeldLineOfSight()
{
float secondsToWait = 1;
float timeWaited = 0;
Coroutine ColorCoroutine = colorController.SwitchToHostileColour();
while (timeWaited < secondsToWait)
{
timeWaited += Time.deltaTime;
if (!IsPlayerInView())
{
colorController.StopCoroutine(ColorCoroutine);
stateHandler.SwitchToLookAroundState();
colorController.SwitchToAwareColour(true);
yield break;
}
yield return(new WaitForFixedUpdate());
}
if (stateHandler.IsCurrentState(EnemyStateHandler.States.DetectedPlayer))
{
stateHandler.SwitchToShootingState();
}
}