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

package net.minecraft.world.item;

import java.util.List;
import java.util.function.Predicate;
import javax.annotation.Nullable;
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.LivingEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.projectile.Projectile;
import net.minecraft.world.level.Level;

public class BowItem extends ProjectileWeaponItem {
    public static final int MAX_DRAW_DURATION = 20;
    public static final int DEFAULT_RANGE = 15;

    public BowItem(Item.Properties p_40660_) {
        super(p_40660_);
    }

    @Override
    public boolean releaseUsing(ItemStack p_40667_, Level p_40668_, LivingEntity p_40669_, int p_40670_) {
        if (!(p_40669_ instanceof Player player)) {
            return false;
        } else {
            ItemStack itemstack = player.getProjectile(p_40667_);
            if (itemstack.isEmpty()) {
                return false;
            } else {
                int i = this.getUseDuration(p_40667_, p_40669_) - p_40670_;
                float f = getPowerForTime(i);
                if ((double)f < 0.1) {
                    return false;
                } else {
                    List<ItemStack> list = draw(p_40667_, itemstack, player);
                    if (p_40668_ instanceof ServerLevel serverlevel && !list.isEmpty()) {
                        this.shoot(serverlevel, player, player.getUsedItemHand(), p_40667_, list, f * 3.0F, 1.0F, f == 1.0F, null);
                    }

                    p_40668_.playSound(
                        null,
                        player.getX(),
                        player.getY(),
                        player.getZ(),
                        SoundEvents.ARROW_SHOOT,
                        SoundSource.PLAYERS,
                        1.0F,
                        1.0F / (p_40668_.getRandom().nextFloat() * 0.4F + 1.2F) + f * 0.5F
                    );
                    player.awardStat(Stats.ITEM_USED.get(this));
                    return true;
                }
            }
        }
    }

    @Override
    protected void shootProjectile(
        LivingEntity p_329327_, Projectile p_335269_, int p_331005_, float p_332731_, float p_332848_, float p_332058_, @Nullable LivingEntity p_335061_
    ) {
        p_335269_.shootFromRotation(p_329327_, p_329327_.getXRot(), p_329327_.getYRot() + p_332058_, 0.0F, p_332731_, p_332848_);
    }

    public static float getPowerForTime(int p_40662_) {
        float f = (float)p_40662_ / 20.0F;
        f = (f * f + f * 2.0F) / 3.0F;
        if (f > 1.0F) {
            f = 1.0F;
        }

        return f;
    }

    @Override
    public int getUseDuration(ItemStack p_40680_, LivingEntity p_344246_) {
        return 72000;
    }

    @Override
    public ItemUseAnimation getUseAnimation(ItemStack p_40678_) {
        return ItemUseAnimation.BOW;
    }

    @Override
    public InteractionResult use(Level p_40672_, Player p_40673_, InteractionHand p_40674_) {
        ItemStack itemstack = p_40673_.getItemInHand(p_40674_);
        boolean flag = !p_40673_.getProjectile(itemstack).isEmpty();
        if (!p_40673_.hasInfiniteMaterials() && !flag) {
            return InteractionResult.FAIL;
        } else {
            p_40673_.startUsingItem(p_40674_);
            return InteractionResult.CONSUME;
        }
    }

    @Override
    public Predicate<ItemStack> getAllSupportedProjectiles() {
        return ARROW_ONLY;
    }

    @Override
    public int getDefaultProjectileRange() {
        return 15;
    }
}