ModelEffectCollection.cs

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using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
 
namespace Microsoft.Xna.Framework.Graphics;
 
public sealed class ModelEffectCollection : ReadOnlyCollection<Effect>
{
    public struct Enumerator : IEnumerator<Effect>, IDisposable, IEnumerator
    {
        private List<Effect>.Enumerator internalEnumerator;
 
        public Effect Current => internalEnumerator.Current;
 
        object IEnumerator.Current => Current;
 
        internal Enumerator(List<Effect> wrappedList)
        {
            internalEnumerator = wrappedList.GetEnumerator();
        }
 
        public bool MoveNext()
        {
            return internalEnumerator.MoveNext();
        }
 
        void IEnumerator.Reset()
        {
            IEnumerator enumerator = internalEnumerator;
            enumerator.Reset();
            internalEnumerator = (List<Effect>.Enumerator)(object)enumerator;
        }
 
        public void Dispose()
        {
            internalEnumerator.Dispose();
        }
    }
 
    private List<Effect> wrappedList;
 
    internal ModelEffectCollection()
        : base((IList<Effect>)new List<Effect>())
    {
        wrappedList = (List<Effect>)base.Items;
    }
 
    internal void Add(Effect effect)
    {
        base.Items.Add(effect);
    }
 
    internal void Remove(Effect effect)
    {
        base.Items.Remove(effect);
    }
 
    public new Enumerator GetEnumerator()
    {
        return new Enumerator(wrappedList);
    }
}