BeatSaber-IPA-Reloaded/docs/articles/dev-resources/PluginConfig.cs

using System.Collections.Generic;
using System.Runtime.CompilerServices;
using IPA.Config.Stores;
using IPA.Config.Stores.Attributes;
using IPA.Config.Stores.Converters;

[assembly: InternalsVisibleTo(GeneratedExtension.AssemblyVisibilityTarget)]

namespace Demo
{
    /*
    public class PluginConfig
    */
    internal class PluginConfig
    {
        public static PluginConfig Instance { get; set; }

        public class SubThingsObject
        {
            /*
            public double DoubleValue { get; set; } = 2.718281828459045;
            */
            
            public virtual double DoubleValue { get; set; } = 2.718281828459045;
        }

        /*
        public int IntValue { get; set; } = 42;

        public float FloatValue { get; set; } = 3.14159f;

        [NonNullable]
        public SubThingsObject SubThings { get; set; } = new SubThingsObject();

        [UseConverter(typeof(ListConverter<string>))]
        public List<string> ListValue { get; set; } = new List<string>();

        [UseConverter(typeof(CollectionConverter<string, HashSet<string>>))]
        public HashSet<string> SetValue { get; set; } = new HashSet<string>();
        */
        
        public virtual int IntValue { get; set; } = 42;

        public virtual float FloatValue { get; set; } = 3.14159f;

        [NonNullable]
        public virtual SubThingsObject SubThings { get; set; } = new SubThingsObject();

        [UseConverter(typeof(ListConverter<string>))]
        public virtual List<string> ListValue { get; set; } = new List<string>();

        [UseConverter(typeof(CollectionConverter<string, HashSet<string>>))]
        public virtual HashSet<string> SetValue { get; set; } = new HashSet<string>();

        public virtual void Changed()
        {
            // this is called whenever one of the virtual properties is changed
            // can be called to signal that the content has been changed
        }

        public virtual void OnReload()
        {
            // this is called whenever the config file is reloaded from disk
            // use it to tell all of your systems that something has changed
            
            // this is called off of the main thread, and is not safe to interact
            //   with Unity in
        }

        public virtual void CopyFrom(PluginConfig cfg)
        {
            // you can call this to copy the structure from the parameter to this object
            // think of this as a magic function that "just works", and doesn't actually 
            //   have to have a body.

            // any code you put here will be called after the copy is complete though
        }
    }
}