void Radar_OnCharacterPosition_AggroExitCheck(MmoObjectPositionMessage message)
{
var squaredDistance = Vector3.SqrDistance(message.Position, radarCenter);
if (squaredDistance >= radarExitRadius * radarExitRadius)
{
var character = message.Source as Character;
if (character == null)
{
return;
}
IDisposable oldSubscription;
if (visibleCharacters.TryGetValue(character, out oldSubscription))
{
oldSubscription.Dispose();
}
if (visibleArea.Contains(character.Position))
{
// aggro enter checker
var subscription = character.PositionUpdateChannel.SubscribeToLast(this.CurrentZone.PrimaryFiber, this.Radar_OnCharacterPosition_AggroEnterCheck, ServerGameSettings.AGGRO_ENTER_CHECK_INTERVAL_MS);
this.visibleCharacters[character] = subscription;
}
else
{
// unsubscribing character
this.visibleCharacters.Remove(character);
}
this.OnExitRadarRange(character);
}
}
/// <summary>
/// The on attached item position update.
/// </summary>
private void AttachedMmoObject_OnGameObjectPosition(MmoObjectPositionMessage message)
{
MessageCounters.CounterReceive.Increment();
lock (this.SyncRoot)
{
if (this.Owner == message.Source)
{
this.Position = message.Position;
this.UpdateInterestManagement();
}
}
}
void Radar_OnCharacterPosition_AggroEnterCheck(MmoObjectPositionMessage message)
{
var squaredDistance = Vector3.SqrDistance(message.Position, radarCenter);
if (squaredDistance <= radarEnterRadius * radarEnterRadius)
{
var character = message.Source as Character;
if (character == null)
{
return;
}
IDisposable oldSubscription;
if (visibleCharacters.TryGetValue(character, out oldSubscription))
{
oldSubscription.Dispose();
}
else
{
this.visibleCharacters.Add(character, null);
}
// aggro exit checker
var positionSubscription = character.PositionUpdateChannel.SubscribeToLast(this.CurrentZone.PrimaryFiber, Radar_OnCharacterPosition_AggroExitCheck, ServerGameSettings.AGGRO_EXIT_CHECK_INTERVAL_MS);
var disposedSubscription = character.DisposeChannel.Subscribe(this.CurrentZone.PrimaryFiber, this.Radar_OnCharacterDisposed);
this.visibleCharacters[character] = new UnsubscriberCollection(positionSubscription, disposedSubscription);
// entering aggro range
this.OnEnterRadarRange(character);
}
else if (squaredDistance > radarExitRadius * radarExitRadius)
{
// unsubscribing character
var character = message.Source as Character;
if (character == null)
{
return;
}
this.visibleCharacters[character].Dispose();
this.visibleCharacters.Remove(character);
}
}
/// <summary>
/// The on auto subscribed item position update.
/// unsubscribes item if too far away
/// </summary>
private void AutoSubscribedMmoObject_OnMmoObjectPosition(MmoObjectPositionMessage message)
{
MessageCounters.CounterReceive.Increment();
lock (this.SyncRoot)
{
MmoObjectAutoSubscription subscription;
// not subscribed
if (false == this.autoManagedItemSubscriptions.TryGetValue(message.Source, out subscription))
{
return;
}
subscription.Position = message.Position;
// dropped out of world, unsubscribe
if (message.WorldRegion == null)
{
this.AutoUnsubscribeMmoObject(subscription);
return;
}
// region is still the same, don't evaluate further
if (message.WorldRegion == subscription.WorldRegion)
{
return;
}
subscription.WorldRegion = message.WorldRegion;
if (this.subscribedWorldRegions.ContainsKey(subscription.WorldRegion) == false)
{
// unsubscribe if item is out of range
this.AutoUnsubscribeDistantMmoObject(subscription);
}
}
}
