MovingSound

from EssentialFeatures

/*
 * A sound that follows an entity
 * Up-to-date source: https://github.com/williambl/EssentialFeatures/blob/master/src/main/java/com/williambl/essentialfeatures/client/music/MovingSound.java
 * @Author Willbl3pic
 */
public class MovingSound extends TickableSound {

    private final Entity entity;
    private float distance = 0.0F;

    public MovingSound(Entity entityIn, SoundEvent soundIn) {
        super(soundIn, SoundCategory.NEUTRAL);
        this.entity = entityIn;
        this.repeat = false;
        this.repeatDelay = 0;
        this.volume = 1.0F;
    }

    public void tick() {
        if (!this.entity.isAlive()) {
            this.donePlaying = true;
        } else {
            this.x = (float) this.entity.posX;
            this.y = (float) this.entity.posY;
            this.z = (float) this.entity.posZ;
        }
    }
}

Playing and stopping

/*
 * Play a moving sound
 * Adapted from: https://github.com/williambl/EssentialFeatures/blob/e77a8cd31f80543c9210e9bfac2431d2b92a1cdf/src/main/java/com/williambl/essentialfeatures/client/DistHelper.java
 * @Author Willbl3pic
 */
public void playMovingSoundWithDisc(MusicDiscItem disc, PlayerEntity player) {
  Minecraft.getInstance().getSoundHandler().play(
      new MovingSound(
          player,
          disc.getSound()
      )
  );
}

/*
 * Stop a moving sound
 * Adapted from: https://github.com/williambl/EssentialFeatures/blob/e77a8cd31f80543c9210e9bfac2431d2b92a1cdf/src/main/java/com/williambl/essentialfeatures/client/DistHelper.java
 * @Author Willbl3pic
 */
public void stopMovingSound(MusicDisc disc) {
  Minecraft.getInstance().getSoundHandler().stop(disc.getSound().getName(), SoundCategory.NEUTRAL);
}