private void Dispose()
{
if (!m_isDisposed)
{
if (m_graph != null)
{
BTEditorGraph.DestroyImmediate(m_graph);
m_graph = null;
}
if (m_btAsset != null)
{
SaveBehaviourTree();
m_btAsset.Dispose();
m_btAsset = null;
}
m_rootTreeAsset = null;
EditorApplication.playmodeStateChanged -= HandlePlayModeChanged;
Selection.selectionChanged -= delegate { SetupBTDebugging(); };
m_isDisposed = true;
}
}