// Reflect Object Attributes
public override void FdAmb_ObjectAttributesReflectedHandler(object sender, Racon.RtiLayer.HlaObjectEventArgs data)
{
// Call the base class handler
base.FdAmb_ObjectAttributesReflectedHandler(sender, data);
// User code
foreach (CUser user in simManager.Users)
{
// Find the Object
if (data.ObjectInstance.Handle == user.Handle)
{
// Get parameter values
// 1st method
// First check wheather the attr is updated or not. Result returns 0/null if the updated attribute set does not contain the attr and its value
if (data.IsValueUpdated(Som.UserOC.NickName))
{
user.NickName = data.GetAttributeValue <string>(Som.UserOC.NickName);
}
if (data.IsValueUpdated(Som.UserOC.Status))
{
user.Status = (StatusTypes)data.GetAttributeValue <uint>(Som.UserOC.Status);
}
// 2nd method
//foreach (var item in data.ObjectInstance.Attributes)
//{
// if (item.Handle == Som.UserOC.NickName.Handle) user.NickName = item.GetValue<string>();
// else if (item.Handle == Som.UserOC.Status.Handle) user.Status = (StatusTypes)item.GetValue<uint>();
//}
ViewText = "NickName: " + user.NickName + ". Status: " + user.Status + ". Update reason: " + data.Tag.GetData <string>() + Environment.NewLine;
}
}
}
// An Object is Discovered
public override void FdAmb_ObjectDiscoveredHandler(object sender, Racon.RtiLayer.HlaObjectEventArgs data)
{
// Call the base class handler
base.FdAmb_ObjectDiscoveredHandler(sender, data);
// User code
// Check the class type of the discovered object
if (data.ClassHandle == Som.UserOC.Handle)
{
// Create and add a new user to the list
CUser nUser = new CUser(data.ObjectInstance);
nUser.Type = Som.UserOC;
simManager.Users.Add(nUser);
// Request Update Values
RequestAttributeValueUpdate(nUser, string.Empty);// Request update values of all attributes for this specific object
//RequestAttributeValueUpdate(Som.UserOC);// Request update for all attribute values of all objects related to this object class
// Request Update Values for specific attributes only
//List<HlaAttribute> attributes = new List<HlaAttribute>();
//attributes.Add(Som.UserOC.NickName);
//attributes.Add(Som.UserOC.Status);
//RequestAttributeValueUpdate(nUser, attributes);
}
}
// An Object is Removed
public override void FdAmb_ObjectRemovedHandler(object sender, Racon.RtiLayer.HlaObjectEventArgs data)
{
// Call the base class handler
base.FdAmb_ObjectRemovedHandler(sender, data);
// User code
// Lock while taking a snapshot - to avoid foreach loop enumeration exception
object[] snap;
lock (thisLock)
{
snap = simManager.Users.ToArray();
}
foreach (CUser user in snap)
{
if (data.ObjectInstance.Handle == user.Handle)// Find the Object
{
simManager.Users.Remove(user);
// for DateTime
ViewText = "Object removed. Reason: " + data.Tag.GetData <string>() + ". ";
ViewText += "User: "******" left. Number of Users Left: " + simManager.Users.Count + Environment.NewLine;
}
}
}
/// <summary>
///
/// </summary>
protected virtual void OnTurnUpdatesOffForObjectInstanceAdvised(HlaObjectEventArgs e)
{
TurnUpdatesOffForObjectInstanceAdvised?.Invoke(this, e);// Raise the event.
}
/// <summary>
///
/// </summary>
protected virtual void OnObjectAttributesReflected(HlaObjectEventArgs e)
{
ObjectAttributesReflected?.Invoke(this, e);// Raise the event.
}
/// <summary>
///
/// </summary>
protected virtual void OnObjectRemoved(HlaObjectEventArgs e)
{
ObjectRemoved?.Invoke(this, e);// Raise the event.
}
/// <summary>
///
/// </summary>
protected virtual void OnAttributeValueUpdateRequested(HlaObjectEventArgs e)
{
AttributeValueUpdateRequested?.Invoke(this, e);// Raise the event.
}
// Attribute Value Update is Requested
public override void FdAmb_AttributeValueUpdateRequestedHandler(object sender, Racon.RtiLayer.HlaObjectEventArgs data)
{
// Call the base class handler
base.FdAmb_AttributeValueUpdateRequestedHandler(sender, data);
// User code
// !!! If it is created only one object, then it is sufficient to check the handle of that object, otherwise we need to check all the collection
// Find the object class for which the request is made
//ViewText = "received handle: " + data.ObjectInstance.Handle + ", local handle: " + simManager.Users[0].Handle + Environment.NewLine;
if (data.ObjectInstance.Handle == simManager.Users[0].Handle)
{
// We can further try to figure out the attributes for which update is requested.
// First check the update is requested for the attribute, if true provide an update for that specific attribute
//foreach (var item in data.ObjectInstance.Attributes)
//{
// if (item.Handle == Som.UserOC.NickName.Handle) UpdateName(simManager.Users[0]);
// else if (item.Handle == Som.UserOC.Status.Handle) UpdateStatus(simManager.Users[0]);
//}
// We can update all attributes if we dont want to check every attribute.
UpdateName(simManager.Users[0]);
UpdateStatus(simManager.Users[0]);
}
}
