// Our exit conditions are
// a) we reach the player
// b) we reach the players last known position and we can't find the player after x seconds (second half may be a new behavior)
public override Status Update(ref Blackboard bb)
{
LOSInfo losResults = new LOSInfo();
if ((bb.LastKnownPlayerPosition - bb.Player.position).sqrMagnitude >= m_RefindPlayerDist) {
losResults = CanSeePlayer(ref bb);
if (losResults.CanSeePlayer) {
bb.LastKnownPlayerPosition = bb.Player.position;
bb.SetDestinationAndPath(bb.Player.position);
}
}
else if (bb.ShowLOSCheck) {
losResults = CanSeePlayer(ref bb);
}
bb.LOSCheck(losResults.CanSeePlayer, losResults.HitPoint);
if (bb.LastKnownPlayerPosition == Vector3.zero) {
// We don't have a destination, return failure
//Debug.Log("ChasePlayer failed");
return Status.BH_FAILURE;
}
Vector3 toDestination = bb.Destination - bb.Trans.position;
if (toDestination.sqrMagnitude <= m_DistanceThreshold * m_DistanceThreshold ||
bb.PathCurrentIdx >= bb.MovementPath.Length) {
// If we've reached our destination, we're done
Debug.Log ("ChasePlayer finish");
return Status.BH_SUCCESS;
}
// Move normally
//Debug.DrawLine(bb.Trans.position, bb.MovementPath[bb.PathCurrentIdx], Color.green);
Vector3 toNextPoint = bb.MovementPath[bb.PathCurrentIdx] - bb.Trans.position;
toNextPoint.z = 0;
if (toNextPoint.sqrMagnitude < 3) { ++bb.PathCurrentIdx; }
toNextPoint.z = 0;
toNextPoint.Normalize();
bb.Trans.Translate(toNextPoint * bb.MoveSpeed * Time.deltaTime);
m_Status = Status.BH_RUNNING;
return Status.BH_RUNNING;
}
