osu-lazer/osu.Game.Rulesets.Catch/Objects/CatchHitObject.cs

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.

using osu.Game.Beatmaps;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Rulesets.Catch.Beatmaps;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;

namespace osu.Game.Rulesets.Catch.Objects
{
    public abstract class CatchHitObject : HitObject, IHasXPosition, IHasComboInformation
    {
        public const double OBJECT_RADIUS = 44;

        private float x;

        public float X
        {
            get => x + XOffset;
            set => x = value;
        }

        /// <summary>
        /// A random offset applied to <see cref="X"/>, set by the <see cref="CatchBeatmapProcessor"/>.
        /// </summary>
        internal float XOffset { get; set; }

        public double TimePreempt = 1000;

        public int IndexInBeatmap { get; set; }

        public virtual FruitVisualRepresentation VisualRepresentation => (FruitVisualRepresentation)(ComboIndex % 4);

        public virtual bool NewCombo { get; set; }

        public int ComboOffset { get; set; }

        public int IndexInCurrentCombo { get; set; }

        public int ComboIndex { get; set; }

        /// <summary>
        /// Difference between the distance to the next object
        /// and the distance that would have triggered a hyper dash.
        /// A value close to 0 indicates a difficult jump (for difficulty calculation).
        /// </summary>
        public float DistanceToHyperDash { get; set; }

        /// <summary>
        /// The next fruit starts a new combo. Used for explodey.
        /// </summary>
        public virtual bool LastInCombo { get; set; }

        public float Scale { get; set; } = 1;

        /// <summary>
        /// Whether this fruit can initiate a hyperdash.
        /// </summary>
        public bool HyperDash => HyperDashTarget != null;

        /// <summary>
        /// The target fruit if we are to initiate a hyperdash.
        /// </summary>
        public CatchHitObject HyperDashTarget;

        protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
        {
            base.ApplyDefaultsToSelf(controlPointInfo, difficulty);

            TimePreempt = (float)BeatmapDifficulty.DifficultyRange(difficulty.ApproachRate, 1800, 1200, 450);

            Scale = 1.0f - 0.7f * (difficulty.CircleSize - 5) / 5;
        }

        protected override HitWindows CreateHitWindows() => null;
    }

    public enum FruitVisualRepresentation
    {
        Pear,
        Grape,
        Raspberry,
        Pineapple,
        Banana // banananananannaanana
    }
}