3.0 - unitypackage

Runtime/Utilities/PropertyUtil.cs

@@ -0,0 +1,53 @@
+
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace XCharts
+{
+    public static class PropertyUtil
+    {
+        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 SetColor(ref Color32 currentValue, Color32 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, bool notNull = false) where T : class
+        {
+            if (notNull)
+            {
+                if (newValue == null)
+                {
+                    Debug.LogError("can not be null.");
+                    return false;
+                }
+            }
+            if ((currentValue == null && newValue == null) || (currentValue != null && currentValue.Equals(newValue)))
+                return false;
+
+            currentValue = newValue;
+            return true;
+        }
+    }
+}