public override void OnInspectorGUI()
        {
            EditorGUI.BeginChangeCheck();

            m_Editor.PullProbePositions();
            EditMode.DoEditModeInspectorModeButton(
                EditMode.SceneViewEditMode.LightProbeGroup,
                "Edit Light Probes",
                Styles.editModeButton,
                this
                );

            GUILayout.Space(3);
            EditorGUI.BeginDisabledGroup(EditMode.editMode != EditMode.SceneViewEditMode.LightProbeGroup);

            m_Editor.drawTetrahedra = EditorGUILayout.Toggle(Styles.showWireframe, m_Editor.drawTetrahedra);
            bool performDeringing = EditorGUILayout.Toggle(Styles.performDeringing, m_Editor.GetDeringProbes());

            m_Editor.SetDeringProbes(performDeringing);

            EditorGUI.BeginDisabledGroup(m_Editor.SelectedCount == 0);
            Vector3 pos         = m_Editor.SelectedCount > 0 ? m_Editor.GetSelectedPositions()[0] : Vector3.zero;
            Vector3 newPosition = EditorGUILayout.Vector3Field(Styles.selectedProbePosition, pos);

            if (newPosition != pos)
            {
                Vector3[] selectedPositions = m_Editor.GetSelectedPositions();
                Vector3   delta             = newPosition - pos;
                for (int i = 0; i < selectedPositions.Length; i++)
                {
                    m_Editor.UpdateSelectedPosition(i, selectedPositions[i] + delta);
                }
            }
            EditorGUI.EndDisabledGroup();

            GUILayout.Space(3);

            GUILayout.BeginHorizontal();
            GUILayout.BeginVertical();

            if (GUILayout.Button(Styles.addProbe))
            {
                var position = Vector3.zero;
                if (SceneView.lastActiveSceneView)
                {
                    var probeGroup = target as LightProbeGroup;
                    if (probeGroup)
                    {
                        position = probeGroup.transform.InverseTransformPoint(position);
                    }
                }
                StartEditProbes();
                m_Editor.DeselectProbes();
                m_Editor.AddProbe(position);
            }

            if (GUILayout.Button(Styles.deleteSelected))
            {
                StartEditProbes();
                m_Editor.RemoveSelectedProbes();
            }
            GUILayout.EndVertical();
            GUILayout.BeginVertical();

            if (GUILayout.Button(Styles.selectAll))
            {
                StartEditProbes();
                m_Editor.SelectAllProbes();
            }

            if (GUILayout.Button(Styles.duplicateSelected))
            {
                StartEditProbes();
                m_Editor.DuplicateSelectedProbes();
            }

            GUILayout.EndVertical();
            GUILayout.EndHorizontal();
            EditorGUI.EndDisabledGroup();

            m_Editor.HandleEditMenuHotKeyCommands();
            m_Editor.PushProbePositions();

            if (EditorGUI.EndChangeCheck())
            {
                m_Editor.MarkTetrahedraDirty();
                SceneView.RepaintAll();
            }
        }