LegacySoundStyle.cs

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using Microsoft.Xna.Framework.Audio;
using Terraria.Utilities;
 
namespace Terraria.Audio;
 
public class LegacySoundStyle : SoundStyle
{
    private static readonly UnifiedRandom Random = new UnifiedRandom();
 
    private readonly int _style;
 
    public readonly int Variations;
 
    public readonly int SoundId;
 
    public int Style
    {
        get
        {
            if (Variations != 1)
            {
                return Random.Next(_style, _style + Variations);
            }
            return _style;
        }
    }
 
    public override bool IsTrackable => SoundId == 42;
 
    public LegacySoundStyle(int soundId, int style, SoundType type = SoundType.Sound)
        : base(type)
    {
        _style = style;
        Variations = 1;
        SoundId = soundId;
    }
 
    public LegacySoundStyle(int soundId, int style, int variations, SoundType type = SoundType.Sound)
        : base(type)
    {
        _style = style;
        Variations = variations;
        SoundId = soundId;
    }
 
    private LegacySoundStyle(int soundId, int style, int variations, SoundType type, float volume, float pitchVariance)
        : base(volume, pitchVariance, type)
    {
        _style = style;
        Variations = variations;
        SoundId = soundId;
    }
 
    public LegacySoundStyle WithVolume(float volume)
    {
        return new LegacySoundStyle(SoundId, _style, Variations, base.Type, volume, base.PitchVariance);
    }
 
    public LegacySoundStyle WithPitchVariance(float pitchVariance)
    {
        return new LegacySoundStyle(SoundId, _style, Variations, base.Type, base.Volume, pitchVariance);
    }
 
    public LegacySoundStyle AsMusic()
    {
        return new LegacySoundStyle(SoundId, _style, Variations, SoundType.Music, base.Volume, base.PitchVariance);
    }
 
    public LegacySoundStyle AsAmbient()
    {
        return new LegacySoundStyle(SoundId, _style, Variations, SoundType.Ambient, base.Volume, base.PitchVariance);
    }
 
    public LegacySoundStyle AsSound()
    {
        return new LegacySoundStyle(SoundId, _style, Variations, SoundType.Sound, base.Volume, base.PitchVariance);
    }
 
    public bool Includes(int soundId, int style)
    {
        if (SoundId == soundId && style >= _style)
        {
            return style < _style + Variations;
        }
        return false;
    }
 
    public override SoundEffect GetRandomSound()
    {
        if (IsTrackable)
        {
            return SoundEngine.GetTrackableSoundByStyleId(Style);
        }
        return null;
    }
}