yzyCli/u3d/Assets/LuaFramework/Scripts/extend/CircleImage/SetPropertyUtility.cs

using UnityEngine;

internal static class SetPropertyUtilityExt
{
    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 (currentValue.Equals(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;
    }
}