using Ghost.Entities.Components;
using System.Runtime.CompilerServices;

namespace Ghost.Entities.Query;

public interface IQueryTypeParameter
{
}

public ref struct Ref<T> : IQueryTypeParameter
    where T : IComponentData
{
    internal ref T _value;

    public ref T ValueRW
    {
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        get => ref _value;
    }

    public readonly ref T ValueRO
    {
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        get => ref _value;
    }

    public readonly bool IsValid
    {
        get;
        init;
    }

    public Ref(ref T value, bool isValid)
    {
        _value = ref value;
        IsValid = isValid;
    }

    public Ref(ref T value) : this(ref value, true)
    {
    }
}