From e7dfbec8e8634e767d78959941daf71a96e021cf Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 7 Apr 2021 19:10:30 +0800
Subject: =?UTF-8?q?*=E7=A7=BB=E5=8A=A8=E7=9B=AE=E5=BD=95?=
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---
 .../UnityEngine.UI/UI/Core/MaskUtilities.cs        | 182 ---------------------
 1 file changed, 182 deletions(-)
 delete mode 100644 Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/MaskUtilities.cs

(limited to 'Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/MaskUtilities.cs')

diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/MaskUtilities.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/MaskUtilities.cs
deleted file mode 100644
index c975dc6..0000000
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/MaskUtilities.cs
+++ /dev/null
@@ -1,182 +0,0 @@
-using System.Collections.Generic;
-using UnityEngine.EventSystems;
-
-namespace UnityEngine.UI
-{
-    public class MaskUtilities
-    {
-        public static void Notify2DMaskStateChanged(Component mask)
-        {
-            var components = ListPool<Component>.Get();
-            mask.GetComponentsInChildren(components);
-            for (var i = 0; i < components.Count; i++)
-            {
-                if (components[i] == null || components[i].gameObject == mask.gameObject)
-                    continue;
-
-                var toNotify = components[i] as IClippable;
-                if (toNotify != null)
-                    toNotify.RecalculateClipping();
-            }
-            ListPool<Component>.Release(components);
-        }
-
-        public static void NotifyStencilStateChanged(Component mask)
-        {
-            var components = ListPool<Component>.Get();
-            mask.GetComponentsInChildren(components);
-            for (var i = 0; i < components.Count; i++)
-            {
-                if (components[i] == null || components[i].gameObject == mask.gameObject)
-                    continue;
-
-                var toNotify = components[i] as IMaskable;
-                if (toNotify != null)
-                    toNotify.RecalculateMasking();
-            }
-            ListPool<Component>.Release(components);
-        }
-
-        public static Transform FindRootSortOverrideCanvas(Transform start)
-        {
-            var canvasList = ListPool<Canvas>.Get();
-            start.GetComponentsInParent(false, canvasList);
-            Canvas canvas = null;
-
-            for (int i = 0; i < canvasList.Count; ++i)
-            {
-                canvas = canvasList[i];
-
-                // We found the canvas we want to use break
-                if (canvas.overrideSorting)
-                    break;
-            }
-            ListPool<Canvas>.Release(canvasList);
-
-            return canvas != null ? canvas.transform : null;
-        }
-
-        public static int GetStencilDepth(Transform transform, Transform stopAfter)
-        {
-            var depth = 0;
-            if (transform == stopAfter)
-                return depth;
-
-            var t = transform.parent;
-            var components = ListPool<Mask>.Get();
-            while (t != null)
-            {
-                t.GetComponents<Mask>(components);
-                for (var i = 0; i < components.Count; ++i)
-                {
-                    if (components[i] != null && components[i].MaskEnabled() && components[i].graphic.IsActive())
-                    {
-                        ++depth;
-                        break;
-                    }
-                }
-
-                if (t == stopAfter)
-                    break;
-
-                t = t.parent;
-            }
-            ListPool<Mask>.Release(components);
-            return depth;
-        }
-
-        public static bool IsDescendantOrSelf(Transform father, Transform child)
-        {
-            if (father == null || child == null)
-                return false;
-
-            if (father == child)
-                return true;
-
-            while (child.parent != null)
-            {
-                if (child.parent == father)
-                    return true;
-
-                child = child.parent;
-            }
-
-            return false;
-        }
-
-        public static RectMask2D GetRectMaskForClippable(IClippable clippable)
-        {
-            List<RectMask2D> rectMaskComponents = ListPool<RectMask2D>.Get();
-            List<Canvas> canvasComponents = ListPool<Canvas>.Get();
-            RectMask2D componentToReturn = null;
-
-            clippable.rectTransform.GetComponentsInParent(false, rectMaskComponents);
-
-            if (rectMaskComponents.Count > 0)
-            {
-                for (int rmi = 0; rmi < rectMaskComponents.Count; rmi++)
-                {
-                    componentToReturn = rectMaskComponents[rmi];
-                    if (componentToReturn.gameObject == clippable.gameObject)
-                    {
-                        componentToReturn = null;
-                        continue;
-                    }
-                    if (!componentToReturn.isActiveAndEnabled)
-                    {
-                        componentToReturn = null;
-                        continue;
-                    }
-                    clippable.rectTransform.GetComponentsInParent(false, canvasComponents);
-                    for (int i = canvasComponents.Count - 1; i >= 0; i--)
-                    {
-                        if (!IsDescendantOrSelf(canvasComponents[i].transform, componentToReturn.transform) && canvasComponents[i].overrideSorting)
-                        {
-                            componentToReturn = null;
-                            break;
-                        }
-                    }
-                    return componentToReturn;
-                }
-            }
-
-            ListPool<RectMask2D>.Release(rectMaskComponents);
-            ListPool<Canvas>.Release(canvasComponents);
-
-            return componentToReturn;
-        }
-
-        public static void GetRectMasksForClip(RectMask2D clipper, List<RectMask2D> masks)
-        {
-            masks.Clear();
-
-            List<Canvas> canvasComponents = ListPool<Canvas>.Get();
-            List<RectMask2D> rectMaskComponents = ListPool<RectMask2D>.Get();
-            clipper.transform.GetComponentsInParent(false, rectMaskComponents);
-
-            if (rectMaskComponents.Count > 0)
-            {
-                clipper.transform.GetComponentsInParent(false, canvasComponents);
-                for (int i = rectMaskComponents.Count - 1; i >= 0; i--)
-                {
-                    if (!rectMaskComponents[i].IsActive())
-                        continue;
-                    bool shouldAdd = true;
-                    for (int j = canvasComponents.Count - 1; j >= 0; j--)
-                    {
-                        if (!IsDescendantOrSelf(canvasComponents[j].transform, rectMaskComponents[i].transform) && canvasComponents[j].overrideSorting)
-                        {
-                            shouldAdd = false;
-                            break;
-                        }
-                    }
-                    if (shouldAdd)
-                        masks.Add(rectMaskComponents[i]);
-                }
-            }
-
-            ListPool<RectMask2D>.Release(rectMaskComponents);
-            ListPool<Canvas>.Release(canvasComponents);
-        }
-    }
-}
-- 
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