gaemstone/src/gaemstone/Module.cs

using System;
using System.Collections.Generic;
using gaemstone.ECS;

namespace gaemstone;

[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct)]
public class ModuleAttribute : SingletonAttribute {  }

public interface IModuleLifetime
{
	static abstract void OnEnable<TContext>(Entity<TContext> module);

	static abstract void OnDisable<TContext>(Entity<TContext> module);
}


[AttributeUsage(AttributeTargets.Class)]
public class BuiltInAttribute : Attribute {  }

public interface IModuleImport
{
	static abstract Entity<TContext> Import<TContext>(World<TContext> world);
}


/// <summary>
/// A concrete implementation of this interface is generated by a source
/// generator for each type marked as <see cref="ModuleAttribute"/>.
/// (Do not implement this yourself.)
/// </summary>
public interface IModule
{
	static abstract string Path { get; }

	static abstract bool IsBuiltIn { get; }

	static abstract IReadOnlyList<string> Dependencies { get; }


	static abstract void OnEnable<TContext>(Entity<TContext> module);

	static abstract void OnDisable<TContext>(Entity<TContext> module);
}