/// <summary>
/// Clears up variables and other stuff, destroys graphs.
/// Note that when destroying an AstarPath object, all static variables such as callbacks will be cleared.
/// </summary>
void OnDestroy()
{
// This class uses the [ExecuteInEditMode] attribute
// So OnDestroy is called even when not playing
// Don't do anything when not in play mode
if (!Application.isPlaying)
{
return;
}
if (logPathResults == PathLog.Heavy)
{
Debug.Log("+++ AstarPath Component Destroyed - Cleaning Up Pathfinding Data +++");
}
if (active != this)
{
return;
}
// Block until the pathfinding threads have
// completed their current path calculation
PausePathfinding();
navmeshUpdates.OnDisable();
euclideanEmbedding.dirty = false;
FlushWorkItems();
// Don't accept any more path calls to this AstarPath instance.
// This will cause all pathfinding threads to exit (if any exist)
pathProcessor.queue.TerminateReceivers();
if (logPathResults == PathLog.Heavy)
{
Debug.Log("Processing Possible Work Items");
}
// Stop the graph update thread (if it is running)
graphUpdates.DisableMultithreading();
// Try to join pathfinding threads
pathProcessor.JoinThreads();
if (logPathResults == PathLog.Heavy)
{
Debug.Log("Returning Paths");
}
// Return all paths
pathReturnQueue.ReturnPaths(false);
if (logPathResults == PathLog.Heavy)
{
Debug.Log("Destroying Graphs");
}
// Clean up graph data
data.OnDestroy();
if (logPathResults == PathLog.Heavy)
{
Debug.Log("Cleaning up variables");
}
// Clear variables up, static variables are good to clean up, otherwise the next scene might get weird data
// Clear all callbacks
OnAwakeSettings = null;
OnGraphPreScan = null;
OnGraphPostScan = null;
OnPathPreSearch = null;
OnPathPostSearch = null;
OnPreScan = null;
OnPostScan = null;
OnLatePostScan = null;
On65KOverflow = null;
OnGraphsUpdated = null;
active = null;
}
