minecraft-src/net/minecraft/world/item/BowItem.java
2025-07-04 02:49:36 +03:00

112 lines
3 KiB
Java

package net.minecraft.world.item;
import java.util.List;
import java.util.function.Predicate;
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;
import org.jetbrains.annotations.Nullable;
public class BowItem extends ProjectileWeaponItem {
public static final int MAX_DRAW_DURATION = 20;
public static final int DEFAULT_RANGE = 15;
public BowItem(Item.Properties properties) {
super(properties);
}
@Override
public boolean releaseUsing(ItemStack stack, Level level, LivingEntity entity, int timeLeft) {
if (!(entity instanceof Player player)) {
return false;
} else {
ItemStack itemStack = player.getProjectile(stack);
if (itemStack.isEmpty()) {
return false;
} else {
int i = this.getUseDuration(stack, entity) - timeLeft;
float f = getPowerForTime(i);
if (f < 0.1) {
return false;
} else {
List<ItemStack> list = draw(stack, itemStack, player);
if (level instanceof ServerLevel serverLevel && !list.isEmpty()) {
this.shoot(serverLevel, player, player.getUsedItemHand(), stack, list, f * 3.0F, 1.0F, f == 1.0F, null);
}
level.playSound(
null,
player.getX(),
player.getY(),
player.getZ(),
SoundEvents.ARROW_SHOOT,
SoundSource.PLAYERS,
1.0F,
1.0F / (level.getRandom().nextFloat() * 0.4F + 1.2F) + f * 0.5F
);
player.awardStat(Stats.ITEM_USED.get(this));
return true;
}
}
}
}
@Override
protected void shootProjectile(
LivingEntity shooter, Projectile projectile, int index, float velocity, float inaccuracy, float angle, @Nullable LivingEntity target
) {
projectile.shootFromRotation(shooter, shooter.getXRot(), shooter.getYRot() + angle, 0.0F, velocity, inaccuracy);
}
/**
* Gets the velocity of the arrow entity from the bow's charge
*/
public static float getPowerForTime(int charge) {
float f = charge / 20.0F;
f = (f * f + f * 2.0F) / 3.0F;
if (f > 1.0F) {
f = 1.0F;
}
return f;
}
@Override
public int getUseDuration(ItemStack stack, LivingEntity entity) {
return 72000;
}
@Override
public ItemUseAnimation getUseAnimation(ItemStack stack) {
return ItemUseAnimation.BOW;
}
@Override
public InteractionResult use(Level level, Player player, InteractionHand hand) {
ItemStack itemStack = player.getItemInHand(hand);
boolean bl = !player.getProjectile(itemStack).isEmpty();
if (!player.hasInfiniteMaterials() && !bl) {
return InteractionResult.FAIL;
} else {
player.startUsingItem(hand);
return InteractionResult.CONSUME;
}
}
@Override
public Predicate<ItemStack> getAllSupportedProjectiles() {
return ARROW_ONLY;
}
@Override
public int getDefaultProjectileRange() {
return 15;
}
}