using System;
using System.Linq;
using gaemstone.Utility.IL;

namespace gaemstone.ECS;

public static class FilterExtensions
{
	public static void RunOnce(World world, Delegate action)
	{
		var gen  = IterActionGenerator.GetOrBuild(world, action.Method);
		var desc = new FilterDesc(gen.Terms.ToArray());
		using var filter = new Filter(world, desc);
		foreach (var iter in filter.Iter()) gen.RunWithTryCatch(action.Target, iter);
	}
}