gaemstone/src/gaemstone/ECS/Universe.cs

using System;
using static flecs_hub.flecs;
using static flecs_hub.flecs.Runtime;

namespace gaemstone.ECS;

public unsafe partial class Universe
{
	public ecs_world_t* Handle { get; }
	public ModuleManager Modules { get; }

	public bool IsDeferred => ecs_is_deferred(this);

	public Universe(params string[] args)
	{
		var argv = CStrings.CStringArray(args);
		Handle = ecs_init_w_args(args.Length, argv);
		CStrings.FreeCStrings(argv, args.Length);

		Modules = new(this);
		Modules.Register(typeof(Flecs.Core));
		Modules.Register(typeof(Flecs.ObserverEvent));
		Modules.Register(typeof(Flecs.SystemPhase));

		New("Game", "Game").Build().CreateLookup<Game>();
	}

	public EntityBuilder New(string? name = null, string? symbol = null)
		=> new(this, name, symbol);

	public bool Progress(TimeSpan delta)
		=> ecs_progress(this, (float)delta.TotalSeconds);

	public static implicit operator ecs_world_t*(Universe w) => w.Handle;
}