src/game/java/net/minecraft/client/sounds/WeighedSoundEvents.java

package net.minecraft.client.sounds;

import com.google.common.collect.Lists;
import java.util.List;
import javax.annotation.Nullable;
import net.minecraft.client.resources.sounds.Sound;
import net.minecraft.network.chat.Component;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.util.RandomSource;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class WeighedSoundEvents implements Weighted<Sound> {
    private final List<Weighted<Sound>> list = Lists.newArrayList();
    @Nullable
    private final Component subtitle;

    public WeighedSoundEvents(ResourceLocation p_120446_, @Nullable String p_120447_) {
        this.subtitle = p_120447_ == null ? null : Component.translatable(p_120447_);
    }

    @Override
    public int getWeight() {
        int i = 0;

        for (Weighted<Sound> weighted : this.list) {
            i += weighted.getWeight();
        }

        return i;
    }

    public Sound getSound(RandomSource p_235265_) {
        int i = this.getWeight();
        if (!this.list.isEmpty() && i != 0) {
            int j = p_235265_.nextInt(i);

            for (Weighted<Sound> weighted : this.list) {
                j -= weighted.getWeight();
                if (j < 0) {
                    return weighted.getSound(p_235265_);
                }
            }

            return SoundManager.EMPTY_SOUND;
        } else {
            return SoundManager.EMPTY_SOUND;
        }
    }

    public void addSound(Weighted<Sound> p_120452_) {
        this.list.add(p_120452_);
    }

    @Nullable
    public Component getSubtitle() {
        return this.subtitle;
    }

    @Override
    public void preloadIfRequired(SoundEngine p_120450_) {
        for (Weighted<Sound> weighted : this.list) {
            weighted.preloadIfRequired(p_120450_);
        }
    }
}