/// <summary>
/// Remove the first instance of an actor corresponding to the predicate
/// </summary>
/// <param name="predicate">Lambda function which allows ObjectManager to uniquely identify an actor</param>
/// <returns>True if successful, otherwise false</returns>
public bool RemoveFirstIf(Predicate <OurDrawnActor3D> predicate)
{
//to do...improve efficiency by adding DrawType enum
int position = -1;
bool wasRemoved = false;
position = OpaqueList.FindIndex(predicate);
if (position != -1)
{
OpaqueList.RemoveAt(position);
wasRemoved = true;
}
position = TransparentList.FindIndex(predicate);
if (position != -1)
{
TransparentList.RemoveAt(position);
wasRemoved = true;
}
if (wasRemoved)
{
isDirty = true;
}
return(wasRemoved);
}
/// <summary>
/// Remove all occurences of any actors corresponding to the predicate
/// </summary>
/// <param name="predicate">Lambda function which allows ObjectManager to uniquely identify one or more actors</param>
/// <returns>Count of the number of removed actors</returns>
public int RemoveAll(Predicate <OurDrawnActor3D> predicate)
{
//to do...improve efficiency by adding DrawType enum
int count = 0;
count = OpaqueList.RemoveAll(predicate);
count += TransparentList.RemoveAll(predicate);
if (count > 0)
{
isDirty = true;
}
return(count);
}
/// <summary>
/// Add the actor to the appropriate list based on actor transparency
/// </summary>
/// <param name="actor"></param>
public void Add(OurDrawnActor3D actor)
{
if (actor.EffectParameters.GetAlpha() < 1)
{
TransparentList.Add(actor);
}
else
{
OpaqueList.Add(actor);
}
isDirty = true;
}
private void ApplyBatchRemove()
{
foreach (OurDrawnActor3D actor in removeList)
{
if (actor.EffectParameters.GetAlpha() < 1)
{
TransparentList.Remove(actor);
}
else
{
OpaqueList.Remove(actor);
}
}
removeList.Clear();
}
private void HandleObjectCategoryEvent(EventData eventData)
{
switch (eventData.EventActionType)
{
case EventActionType.OnRemoveActor:
{
OurDrawnActor3D removeObject = eventData.Parameters[0] as OurDrawnActor3D;
OpaqueList.Remove(removeObject);
break;
}
case EventActionType.OnAddActor:
{
if (eventData.Parameters[0] is OurModelObject modelObject)
{
Add(modelObject);
}
break;
}
}
}
