/// <summary>
/// Reclaims the <see cref="SpatialAwarenessMeshObject"/> to allow for later reuse.
/// </summary>
protected void ReclaimMeshObject(SpatialAwarenessMeshObject availableMeshObject)
{
using (ReclaimMeshObjectPerfMarker.Auto())
{
if (spareMeshObject == null)
{
// Cleanup the mesh object.
// Do not destroy the game object, destroy the meshes.
SpatialAwarenessMeshObject.Cleanup(availableMeshObject, false);
if (availableMeshObject.GameObject != null)
{
availableMeshObject.GameObject.name = "Unused Spatial Mesh";
availableMeshObject.GameObject.SetActive(false);
}
spareMeshObject = availableMeshObject;
}
else
{
// Cleanup the mesh object.
// Destroy the game object, destroy the meshes.
SpatialAwarenessMeshObject.Cleanup(availableMeshObject);
}
}
}
/// <summary>
/// Removes an observation.
/// </summary>
private void RemoveMeshObject(int meshId)
{
if (meshes.TryGetValue(meshId, out SpatialAwarenessMeshObject meshObject))
{
// Remove the mesh object from the collection.
meshes.Remove(meshId);
if (meshObject != null)
{
SpatialAwarenessMeshObject.Cleanup(meshObject);
}
// Send the mesh removed event
meshEventData.Initialize(this, meshId, null);
SpatialAwarenessSystem?.HandleEvent(meshEventData, OnMeshRemoved);
}
}
/// <inheritdoc />
public override void ClearObservations()
{
using (ClearObservationsPerfMarker.Auto())
{
bool wasRunning = false;
if (IsRunning)
{
wasRunning = true;
Debug.Log("Cannot clear observations while the observer is running. Suspending this observer.");
Suspend();
}
IReadOnlyList <int> observations = new List <int>(Meshes.Keys);
foreach (int meshId in observations)
{
RemoveMeshObject(meshId);
}
// Cleanup the outstanding mesh object.
if (outstandingMeshObject != null)
{
// Destroy the game object, destroy the meshes.
SpatialAwarenessMeshObject.Cleanup(outstandingMeshObject);
outstandingMeshObject = null;
}
// Cleanup the spare mesh object
if (spareMeshObject != null)
{
// Destroy the game object, destroy the meshes.
SpatialAwarenessMeshObject.Cleanup(spareMeshObject);
spareMeshObject = null;
}
if (wasRunning)
{
Resume();
}
}
}
/// <summary>
/// Cleans up the objects created during observation.
/// </summary>
private void CleanupObservedObjects()
{
if (Application.isPlaying)
{
// Cleanup the scene objects are managing
if (observedObjectParent != null)
{
observedObjectParent.transform.DetachChildren();
}
foreach (SpatialAwarenessMeshObject meshObject in meshes.Values)
{
if (meshObject != null)
{
// Destroy the game object, destroy the meshes.
SpatialAwarenessMeshObject.Cleanup(meshObject);
}
}
meshes.Clear();
// Cleanup the outstanding mesh object.
if (outstandingMeshObject != null)
{
// Destroy the game object, destroy the meshes.
SpatialAwarenessMeshObject.Cleanup(outstandingMeshObject);
outstandingMeshObject = null;
}
// Cleanup the spare mesh object
if (spareMeshObject != null)
{
// Destroy the game object, destroy the meshes.
SpatialAwarenessMeshObject.Cleanup(spareMeshObject);
spareMeshObject = null;
}
}
}