osu-lazer/osu.Game.Rulesets.Taiko/Objects/Swell.cs

// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

using System;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Taiko.Judgements;

namespace osu.Game.Rulesets.Taiko.Objects
{
    public class Swell : TaikoHitObject, IHasEndTime
    {
        public double EndTime => StartTime + Duration;

        public double Duration { get; set; }

        /// <summary>
        /// The number of hits required to complete the swell successfully.
        /// </summary>
        public int RequiredHits = 10;

        public override bool IsStrong { set => throw new NotSupportedException($"{nameof(Swell)} cannot be a strong hitobject."); }

        protected override void CreateNestedHitObjects()
        {
            base.CreateNestedHitObjects();

            for (int i = 0; i < RequiredHits; i++)
                AddNested(new SwellTick());
        }

        public override Judgement CreateJudgement() => new TaikoSwellJudgement();
    }
}