Created modded option visibility attribute

MiraAPI/GameOptions/Attributes/ModdedOptionVisibilityAttribute.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Linq;
+using System.Reflection;
+
+namespace MiraAPI.GameOptions.Attributes;
+
+/// <summary>
+/// Attribute to modify a property with a <see cref="ModdedOptionAttribute"/> or <see cref="ModdedOptionListAttribute"/>.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="ModdedOptionVisiblityAttribute"/> class.
+/// </remarks>
+/// <param name="holderType">The type the member is in.</param>
+/// <param name="memberName">The member to get the visibility function from.</param>
+[AttributeUsage(AttributeTargets.Property)]
+public sealed class ModdedOptionVisiblityAttribute(Type? holderType = null, string? memberName = null) : Attribute
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="ModdedOptionVisiblityAttribute"/> class.
+    /// </summary>
+    /// <param name="memberName">The member to get the visibility function from.</param>
+    public ModdedOptionVisiblityAttribute(string memberName)
+        : this(null, memberName)
+    {
+    }
+
+#pragma warning disable S3011 // Reflection should not be used to increase accessibility of classes, methods, or fields
+    internal Func<bool>? GetVisibility(AbstractOptionGroup group, PropertyInfo property)
+    {
+        return null;
+    }
+
+    internal Func<int, bool>? GetListVisibility(AbstractOptionGroup group, PropertyInfo property)
+    {
+        return null;
+    }
+#pragma warning restore S3011 // Reflection should not be used to increase accessibility of classes, methods, or fields
+}