Infratest/Assets/Code/Infrastructure/Loadings/Loading.cs

using System;

namespace Code.Infrastructure.Loadings
{  
    public class Loading
    {
        private int _progress;
        public bool Completed { get; private set; }
        private Action _completed;
        private Action<Loading> _loadProgress;

        public Loading(int maxProgress, Action completed, Action<Loading> loadProgress = null)
        {
            _progress = maxProgress;
            MaxProgress = maxProgress;
            
            _completed = completed;
            _loadProgress = loadProgress;
        }
        public int CurrentProgress => _progress;
        public int MaxProgress { get; }

        public void DoProgress()
        {
            _progress--;
            _loadProgress?.Invoke(this);
            
            if(_progress == 0) // Зачем инвертировать, если так читается лучше, райдер соси
            {
                Completed = true;
                _completed();
            }
        }
    } 
}