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?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../UI/Core/Utility/SetPropertyUtility.cs          | 36 ++++++++++++++++++++++
 .../UI/Core/Utility/SetPropertyUtility.cs.meta     | 11 +++++++
 2 files changed, 47 insertions(+)
 create mode 100644 Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Utility/SetPropertyUtility.cs
 create mode 100644 Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Utility/SetPropertyUtility.cs.meta

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

diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Utility/SetPropertyUtility.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Utility/SetPropertyUtility.cs
new file mode 100644
index 0000000..15d8519
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Utility/SetPropertyUtility.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine.Events;
+
+namespace UnityEngine.UI
+{
+    internal static class SetPropertyUtility
+    {
+        public static bool SetColor(ref Color currentValue, Color newValue)
+        {
+            if (currentValue.r == newValue.r && currentValue.g == newValue.g && currentValue.b == newValue.b && currentValue.a == newValue.a)
+                return false;
+
+            currentValue = newValue;
+            return true;
+        }
+
+        public static bool SetStruct<T>(ref T currentValue, T newValue) where T : struct
+        {
+            if (EqualityComparer<T>.Default.Equals(currentValue, newValue))
+                return false;
+
+            currentValue = newValue;
+            return true;
+        }
+
+        public static bool SetClass<T>(ref T currentValue, T newValue) where T : class
+        {
+            if ((currentValue == null && newValue == null) || (currentValue != null && currentValue.Equals(newValue)))
+                return false;
+
+            currentValue = newValue;
+            return true;
+        }
+    }
+}
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Utility/SetPropertyUtility.cs.meta b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Utility/SetPropertyUtility.cs.meta
new file mode 100644
index 0000000..ee3936e
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Utility/SetPropertyUtility.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c7eb311d761ee3d409de0593312d6fa2
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
-- 
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