/// <summary>
/// Handles enemy behavior according to alert state and if the player is in view
/// </summary>
private void EnemyBehavior()
{
if (fow.FindTarget())
{
playerSpotted = true;
lastSpotted = fow.viewTarget;
agent.SetDestination(lastSpotted.position);
transform.LookAt(lastSpotted.position);
agent.stoppingDistance = 5;
arrived = false;
patrol.OffPath();
//StartCoroutine(GetPath()); //Debug
switch (alertState)
{
case 0:
if (Vector3.Distance(transform.position, lastSpotted.position) > engageDistance)
{
//pause, then walk towards
if (cautionCoroutine == null)
{
Invoke(nameof(WhosThere), .4f);
cautionCoroutine = StartCoroutine(CautionCoroutine());
}
}
else
{
Invoke(nameof(Intruder), .7f);
if (discoverCoroutine == null)
{
discoverCoroutine = StartCoroutine(DiscoverCoroutine(lastSpotted.position));
}
}
break;
case 1:
if (Vector3.Distance(transform.position, lastSpotted.position) > engageDistance)
{
//continute to destination
}
else
{
agent.isStopped = true;
if (discoverCoroutine == null)
{
Invoke(nameof(Intruder), .5f);
discoverCoroutine = StartCoroutine(DiscoverCoroutine(lastSpotted.position));
}
}
break;
case 2:
alertState = 3;
NotifyOthers(lastSpotted.position);
break;
default:
lastSpotted.SendMessage("Alerted");
if (Vector3.Distance(transform.position, lastSpotted.position) < engageDistance)
{
if (Physics.Raycast(transform.position + gunHeight, transform.forward, out RaycastHit hit, 100, targetLayersMask))
{
if (hit.transform.tag == "Player")
{
if (shootingCoroutine == null && discoverCoroutine == null)
{
shootingCoroutine = StartCoroutine(ShootingCoroutine());
}
}
else
{
StopShooting();
}
}
else
{
StopShooting();
}
}
else
{
StopShooting();
}
//engage
NotifyOthers(fow.viewTarget.position);
break;
}
