/// <summary>
/// Rendering logic for lines renderings.
/// </summary>
private void RenderPass(
RenderPassBase renderPass, PassSubscribionProperties subscriptions,
RenderState renderState, ref List <SceneObject> invalidObjects)
{
if (subscriptions.Subscriptions.Count > 0)
{
if (renderPass != null)
{
//Ensure loaded resources for transparency pass
if (!renderPass.IsLoaded)
{
renderPass.LoadResource();
}
//Render all subscriptions
renderPass.Apply(renderState);
}
try
{
int subscriptionCount = subscriptions.Subscriptions.Count;
for (int loopPass = 0; loopPass < subscriptionCount; loopPass++)
{
RenderPassSubscription actSubscription = subscriptions.Subscriptions[loopPass];
try
{
actSubscription.RenderMethod(renderState);
}
catch (Exception ex)
{
GraphicsCore.PublishInternalExceptionInfo(
ex, InternalExceptionLocation.Rendering3DObject);
// Mark this object as invalid
if (invalidObjects == null)
{
invalidObjects = new List <SceneObject>();
}
invalidObjects.Add(actSubscription.SceneObject);
}
}
}
finally
{
if (renderPass != null)
{
renderPass.Discard(renderState);
}
}
}
}
/// <summary>
/// Handles invalid objects.
/// </summary>
/// <param name="invalidObjects">List containing all invalid objects to handle.</param>
private void HandleInvalidObjects(List <SceneObject> invalidObjects)
{
foreach (SceneObject actObject in invalidObjects)
{
//Unload the object if it is loaded
try { actObject.UnloadResources(); }
catch (Exception ex)
{
GraphicsCore.PublishInternalExceptionInfo(
ex, InternalExceptionLocation.UnloadingInvalid3DObject);
}
//Remove this object from this layer
this.RemoveObject(actObject);
}
}
/// <summary>
/// Prepares rendering (Loads all needed resources).
/// </summary>
/// <param name="renderState">Current render state.</param>
internal void PrepareRendering(RenderState renderState)
{
List <SceneObject> invalidObjects = null;
// Load all resources
int sceneObjectArrayLength = m_sceneObjects.Count;
SceneObject[] sceneObjectArray = m_sceneObjects.GetBackingArray();
for (int loop = 0; loop < sceneObjectArrayLength; loop++)
{
SceneObject actObject = sceneObjectArray[loop];
try
{
// Load all resources of the object
if (!actObject.IsLoaded(renderState.Device))
{
actObject.LoadResources(renderState.Device, renderState.CurrentResources);
}
}
catch (Exception ex)
{
GraphicsCore.PublishInternalExceptionInfo(
ex, InternalExceptionLocation.Loading3DObject);
//Build list of invalid objects
if (invalidObjects == null)
{
invalidObjects = new List <SceneObject>();
}
invalidObjects.Add(actObject);
}
}
//Remove all invalid objects
if (invalidObjects != null)
{
HandleInvalidObjects(invalidObjects);
}
}