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