src/game/java/net/minecraft/world/item/EnderpearlItem.java

package net.minecraft.world.item;

import net.minecraft.server.level.ServerLevel;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.sounds.SoundSource;
import net.minecraft.stats.Stats;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.projectile.Projectile;
import net.minecraft.world.entity.projectile.ThrownEnderpearl;
import net.minecraft.world.level.Level;

public class EnderpearlItem extends Item {
    public static float PROJECTILE_SHOOT_POWER = 1.5F;

    public EnderpearlItem(Item.Properties p_41188_) {
        super(p_41188_);
    }

    @Override
    public InteractionResult use(Level p_41190_, Player p_41191_, InteractionHand p_41192_) {
        ItemStack itemstack = p_41191_.getItemInHand(p_41192_);
        p_41190_.playSound(
            null,
            p_41191_.getX(),
            p_41191_.getY(),
            p_41191_.getZ(),
            SoundEvents.ENDER_PEARL_THROW,
            SoundSource.NEUTRAL,
            0.5F,
            0.4F / (p_41190_.getRandom().nextFloat() * 0.4F + 0.8F)
        );
        if (p_41190_ instanceof ServerLevel serverlevel) {
            Projectile.spawnProjectileFromRotation(ThrownEnderpearl::new, serverlevel, itemstack, p_41191_, 0.0F, PROJECTILE_SHOOT_POWER, 1.0F);
        }

        p_41191_.awardStat(Stats.ITEM_USED.get(this));
        itemstack.consume(1, p_41191_);
        return InteractionResult.SUCCESS;
    }
}