UnityEditor.ModuleUI.GUICurveField C# (CSharp) Method

        private static void GUICurveField(Rect position, SerializedProperty maxCurve, SerializedProperty minCurve, Color color, Rect ranges, CurveFieldMouseDownCallback mouseDownCallback)
        {
            int controlID = GUIUtility.GetControlID(0x4ec1c30f, FocusType.Keyboard, position);
            Event current = Event.current;
            EventType typeForControl = current.GetTypeForControl(controlID);
            if (typeForControl == EventType.Repaint)
            {
                Rect rect = position;
                if (minCurve == null)
                {
                    EditorGUIUtility.DrawCurveSwatch(rect, null, maxCurve, color, EditorGUI.kCurveBGColor, ranges);
                }
                else
                {
                    EditorGUIUtility.DrawRegionSwatch(rect, maxCurve, minCurve, color, EditorGUI.kCurveBGColor, ranges);
                }
                EditorStyles.colorPickerBox.Draw(rect, GUIContent.none, controlID, false);
            }
            else if (typeForControl == EventType.ValidateCommand)
            {
                if (current.commandName == "UndoRedoPerformed")
                {
                    AnimationCurvePreviewCache.ClearCache();
                }
            }
            else if ((typeForControl == EventType.MouseDown) && (position.Contains(current.mousePosition) && ((mouseDownCallback != null) && mouseDownCallback(current.button, position, ranges))))
            {
                current.Use();
            }
        }

        public static void GUIMinMaxCurve(GUIContent label, SerializedMinMaxCurve mmCurve)
        {
            Rect             controlRect = ModuleUI.GetControlRect(13);
            Rect             popupRect   = ModuleUI.GetPopupRect(controlRect);
            Rect             rect1       = ModuleUI.SubtractPopupWidth(controlRect);
            Rect             position    = ModuleUI.PrefixLabel(rect1, label);
            MinMaxCurveState state       = mmCurve.state;

            switch (state)
            {
            case MinMaxCurveState.k_Scalar:
                float a = ModuleUI.FloatDraggable(rect1, mmCurve.scalar, mmCurve.m_RemapValue, EditorGUIUtility.labelWidth);
                if (!mmCurve.signedRange)
                {
                    mmCurve.scalar.floatValue = Mathf.Max(a, 0.0f);
                    break;
                }
                break;

            case MinMaxCurveState.k_TwoScalars:
                Rect rect2 = position;
                rect2.width = (float)(((double)position.width - 20.0) * 0.5);
                float minConstant = mmCurve.minConstant;
                float maxConstant = mmCurve.maxConstant;
                Rect  rect3       = rect2;
                rect3.xMin -= 20f;
                EditorGUI.BeginChangeCheck();
                float num1 = ModuleUI.FloatDraggable(rect3, minConstant, mmCurve.m_RemapValue, 20f, "g5");
                if (EditorGUI.EndChangeCheck())
                {
                    mmCurve.minConstant = num1;
                }
                rect3.x += rect2.width + 20f;
                EditorGUI.BeginChangeCheck();
                float num2 = ModuleUI.FloatDraggable(rect3, maxConstant, mmCurve.m_RemapValue, 20f, "g5");
                if (EditorGUI.EndChangeCheck())
                {
                    mmCurve.maxConstant = num2;
                    break;
                }
                break;

            default:
                Rect ranges = !mmCurve.signedRange ? ModuleUI.kUnsignedRange : ModuleUI.kSignedRange;
                SerializedProperty minCurve = state != MinMaxCurveState.k_TwoCurves ? (SerializedProperty)null : mmCurve.minCurve;
                ModuleUI.GUICurveField(position, mmCurve.maxCurve, minCurve, ModuleUI.GetColor(mmCurve), ranges, new ModuleUI.CurveFieldMouseDownCallback(mmCurve.OnCurveAreaMouseDown));
                break;
            }
            ModuleUI.GUIMMCurveStateList(popupRect, mmCurve);
        }