private void SetTargetEnemy(EnemyContact target)
{
if (m_currentTarget == target)
{
return;
}
m_currentTarget = target;
m_targetSeekT = m_targetSeekInterval;
if (target != null && target.m_entity != null)
{
//Debug.LogWarning(DebugUtilities.AddTimestampPrefix(GetType() + ": New target set: " + target.m_entity.name + ", threat=" + target.m_threat), target.m_entity);
DebugUtilities.DrawArrow(transform.position, target.Position, Vector3.back, Color.red, 0, 1f);
}
//else
//Debug.LogWarning(DebugUtilities.AddTimestampPrefix(GetType() + ": Target cleared"));
}
private EnemyContact FindHighestThreat()
{
EnemyContact currentEnemyContact = null;
foreach (EnemyContact ec in m_enemies.Values)
{
if (ec.m_wasShotAt)
{
continue;
}
if (currentEnemyContact == null || ec.m_threat > currentEnemyContact.m_threat)
{
currentEnemyContact = ec;
}
}
return(currentEnemyContact);
}
protected override void Update()
{
if (!m_canControl)
{
return;
}
if (m_pendingContacts.Count > 0)
{
foreach (Entity entity in m_pendingContacts)
{
float speed, timeToTarget;
if (entity is Projectile)
{
Projectile p = entity as Projectile;
speed = p.Speed;
timeToTarget = Vector3.Distance(entity.transform.position, p.TargetPosition) / p.Speed;
}
else
{
speed = 0f;
timeToTarget = -1f;
}
EnemyContact newEnemy = new EnemyContact(entity, speed, timeToTarget);
m_enemies.Add(entity.ID, newEnemy);
if (m_currentTarget == null || m_currentTarget.m_entity == null)
{
SetTargetEnemy(newEnemy);
}
}
m_pendingContacts.Clear();
}
foreach (EnemyContact ec in m_enemies.Values)
{
ec.m_timeToTarget -= Time.deltaTime;
ec.m_threat = ec.m_timeToTarget > 0f ? 1f / (ec.m_timeToTarget) : 0f;
}
if (m_scanT <= 0f)
{
if (m_currentTarget == null || m_currentTarget.m_entity == null)
{
m_scanT = m_scanInterval;
SetTargetEnemy(FindHighestThreat());
}
}
else
{
m_scanT -= Time.deltaTime;
}
if (m_currentTarget != null && m_currentTarget.m_entity != null)
{
Vector3 targetPosition;
bool solutionFound = false;
if (Math3D.TryGetInterceptPoint(transform.position, Vector3.zero, m_projectileSpeed, m_currentTarget.Position, m_currentTarget.Velocity, out targetPosition))
{
solutionFound = targetPosition.y > ScenarioManager.GameArea.yMin && targetPosition.y < ScenarioManager.GameArea.yMax;
}
if (solutionFound)
{
SetTarget(targetPosition);
}
if (m_targetSeekT <= 0f)
{
if (solutionFound && m_canFire)
{
m_turret.OnFireCommand(true);
m_currentTarget.m_wasShotAt = true;
m_currentTarget = null;
m_targetSeekT = m_targetSeekInterval;
}
}
else
{
m_targetSeekT -= Time.deltaTime;
}
}
}