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path: root/src/StardewModdingAPI/Framework/Countdown.cs
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namespace StardewModdingAPI.Framework
{
    /// <summary>Counts down from a baseline value.</summary>
    internal class Countdown
    {
        /*********
        ** Accessors
        *********/
        /// <summary>The initial value from which to count down.</summary>
        public int Initial { get; }

        /// <summary>The current value.</summary>
        public int Current { get; private set; }


        /*********
        ** Public methods
        *********/
        /// <summary>Construct an instance.</summary>
        /// <param name="initial">The initial value from which to count down.</param>
        public Countdown(int initial)
        {
            this.Initial = initial;
            this.Current = initial;
        }

        /// <summary>Reduce the current value by one.</summary>
        /// <returns>Returns whether the value was decremented (i.e. wasn't already zero).</returns>
        public bool Decrement()
        {
            if (this.Current <= 0)
                return false;

            this.Current--;
            return true;
        }
        
        /// <summary>Restart the countdown.</summary>
        public void Reset()
        {
            this.Current = this.Initial;
        }
    }
}