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path: root/MorgSimulator/Framework/EntityIterator.cs
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#nullable enable
using System.Collections.Generic;

namespace MorgSimulator.Framework
{
    public class EntityIterator<T> : IEntityIterator<T> where T : Entity
    {
        private readonly List<T> _entities;
        private int _currentIndex = 0;

        public EntityIterator(List<T> entities)
        {
            _entities = entities;
        }

        public bool HasNext()
        {
            return _currentIndex < _entities.Count;
        }

        public T? Next()
        {
            if (!HasNext())
                return null;

            return _entities[_currentIndex++];
        }

        public void Reset()
        {
            _currentIndex = 0;
        }
    }
}
#nullable disable