UnityEditor.DoubleCurvePresetsContentsForPopupWindow.InitIfNeeded C# (CSharp) Method

        public void InitIfNeeded()
        {
            if (this.m_CurveLibraryEditorState == null)
            {
                this.m_CurveLibraryEditorState = new PresetLibraryEditorState(this.GetEditorPrefBaseName());
                this.m_CurveLibraryEditorState.TransferEditorPrefsState(true);
            }
            if (this.m_CurveLibraryEditor == null)
            {
                ScriptableObjectSaveLoadHelper<DoubleCurvePresetLibrary> helper = new ScriptableObjectSaveLoadHelper<DoubleCurvePresetLibrary>(PresetLibraryLocations.GetParticleCurveLibraryExtension(this.m_DoubleCurve.IsSingleCurve(), this.m_DoubleCurve.signedRange), SaveType.Text);
                this.m_CurveLibraryEditor = new PresetLibraryEditor<DoubleCurvePresetLibrary>(helper, this.m_CurveLibraryEditorState, new Action<int, object>(this, (IntPtr) this.ItemClickedCallback));
                this.m_CurveLibraryEditor.addDefaultPresets = (Action<PresetLibrary>) Delegate.Combine(this.m_CurveLibraryEditor.addDefaultPresets, new Action<PresetLibrary>(this.AddDefaultPresetsToLibrary));
                this.m_CurveLibraryEditor.presetsWasReordered = new Action(this, (IntPtr) this.PresetsWasReordered);
                this.m_CurveLibraryEditor.previewAspect = 4f;
                this.m_CurveLibraryEditor.minMaxPreviewHeight = new Vector2(24f, 24f);
                this.m_CurveLibraryEditor.showHeader = true;
            }
        }

        void InitCurvePresets()
        {
            if (m_CurvePresets == null)
            {
                AnimationCurve max = m_CurveEditor.animationCurves[0].curve;
                AnimationCurve min = m_CurveEditor.animationCurves.Length > 1 ? m_CurveEditor.animationCurves[1].curve : null;

                // Selection callback for library window
                System.Action <DoubleCurve> presetSelectedCallback = delegate(DoubleCurve presetCurve)
                {
                    var doubleCurve = new DoubleCurve(min, max, true);
                    doubleCurve.minCurve.keys         = CurveEditorWindow.GetNormalizedKeys(presetCurve.minCurve.keys, m_CurveEditor);
                    doubleCurve.minCurve.postWrapMode = presetCurve.minCurve.postWrapMode;
                    doubleCurve.minCurve.preWrapMode  = presetCurve.minCurve.preWrapMode;

                    doubleCurve.maxCurve.keys         = CurveEditorWindow.GetNormalizedKeys(presetCurve.maxCurve.keys, m_CurveEditor);
                    doubleCurve.maxCurve.postWrapMode = presetCurve.maxCurve.postWrapMode;
                    doubleCurve.maxCurve.preWrapMode  = presetCurve.maxCurve.preWrapMode;

                    m_CurveEditor.SelectNone();
                    RefreshShownCurves();
                    SendEvent("CurveChanged", true);
                };

                // We set the curve to save when showing the popup to ensure to scale the current state of the curve
                m_CurvePresets = new DoubleCurvePresetsContentsForPopupWindow(new DoubleCurve(min, max, true), presetSelectedCallback);
                m_CurvePresets.InitIfNeeded();
                m_CurvePresets.GetPresetLibraryEditor().GetCurrentLib().useRanges = false;
            }
        }