C# - An attribute that lets you reset static variables if needed

ResetStaticsAttribute.cs

using System;
using System.Reflection;
using System.Collections.Generic;

// Usage:
// [ResetStatics(nameof(BooleanField))]
// public class MyClass : MonoBehaviour {
//  public static bool BooleanField;
//  // ...
// }
// In your main class:
// ResetStaticsAttribute.ResetAll();

[AttributeUsage(AttributeTargets.Class)]
public class ResetStaticsAttribute : Attribute {
  public readonly List<string> statics;

  public ResetStaticsAttribute(params string[] statics) {
    this.statics = new(statics);
  }

  public static void ResetAll() {
    foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies()) {
      foreach (Type type in assembly.GetTypes()) {
        var attrib = type.GetCustomAttribute(typeof(ResetStaticsAttribute), false);
        if (attrib != null && attrib is ResetStaticsAttribute ror && ror.statics.Count > 0) {
          foreach (var s in ror.statics) {
            var field = type.GetField(s, BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public);
            if (field != null) { field.SetValue(null, null); }
            var property = type.GetProperty(s, BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public);
            if (property != null) { property.SetValue(null, null); }
          }
        }
      }
    }
  }
}