void OnDisable()
{
m_state.Dispose();
// Debug.Log("OnDisable");
Selection.selectionChanged -= Repaint;
Undo.willFlushUndoRecord -= Repaint;
// m_metaEditor
UnityEditor.Editor.DestroyImmediate(m_metaEditor);
m_metaEditor = null;
// m_settingsInspector
UnityEditor.Editor.DestroyImmediate(m_settingsInspector);
m_settingsInspector = null;
// m_meshesInspector
UnityEditor.Editor.DestroyImmediate(m_meshesInspector);
m_meshesInspector = null;
// Meta
Meta = null;
ScriptableObject.DestroyImmediate(m_tmpMeta);
m_tmpMeta = null;
// m_settings
ScriptableObject.DestroyImmediate(m_settings);
m_settings = null;
// m_meshes
ScriptableObject.DestroyImmediate(m_meshes);
m_meshes = null;
}