Java Code Examples for org.bukkit.craftbukkit.inventory.CraftItemStack#asNMSCopy()

public static EntityDeathEvent callEntityDeathEvent(EntityLivingBase victim, List<org.bukkit.inventory.ItemStack> drops) {
    CraftLivingEntity entity = (CraftLivingEntity) victim.getBukkitEntity();
    EntityDeathEvent event = new EntityDeathEvent(entity, drops, victim.getExpReward());
    // CraftWorld world = (CraftWorld) entity.getWorld();
    Bukkit.getServer().getPluginManager().callEvent(event);

    victim.expToDrop = event.getDroppedExp();
    // Kettle start - clear captured drops to allow plugins make changes to them
    victim.capturedDrops.clear();
    for (org.bukkit.inventory.ItemStack stack : event.getDrops()) {
        if (stack == null || stack.getType() == Material.AIR || stack.getAmount() == 0) continue;
        net.minecraft.entity.item.EntityItem entityitem = new net.minecraft.entity.item.EntityItem(victim.world, entity.getLocation().getX(), entity.getLocation().getY(), entity.getLocation().getZ(), CraftItemStack.asNMSCopy(stack));
        // world.dropItemNaturally(entity.getLocation(), stack); we don't want this, spawn items in EntityLivingBase.onDeath() (cauldron stuff)
        victim.capturedDrops.add(entityitem);
    }
    // Kettle end
    return event;
}
 

public static void showFakeItems(Plugin plugin, Player viewer, Location location, org.bukkit.inventory.ItemStack item, int count, Duration duration) {
    if(count <= 0) return;

    final EntityPlayer nmsPlayer = ((CraftPlayer) viewer).getHandle();
    final int[] entityIds = new int[count];

    for(int i = 0; i < count; i++) {
        final EntityItem entity = new EntityItem(nmsPlayer.getWorld(), location.getX(), location.getY(), location.getZ(), CraftItemStack.asNMSCopy(item));

        entity.motX = randomEntityVelocity();
        entity.motY = randomEntityVelocity();
        entity.motZ = randomEntityVelocity();

        sendPacket(viewer, new PacketPlayOutSpawnEntity(entity, ENTITY_TYPE_IDS.get(org.bukkit.entity.Item.class)));
        sendPacket(viewer, new PacketPlayOutEntityMetadata(entity.getId(), entity.getDataWatcher(), true));

        entityIds[i] = entity.getId();
    }

    scheduleEntityDestroy(plugin, viewer.getUniqueId(), duration, entityIds);
}
 

@Override
public ItemStack modifyItemStack(ItemStack stack, String arguments) {
    net.minecraft.item.ItemStack nmsStack = CraftItemStack.asNMSCopy(stack);

    try
    {
        nmsStack.setTagCompound((net.minecraft.nbt.NBTTagCompound) net.minecraft.nbt.JsonToNBT.func_150315_a(arguments));
    }
    catch (net.minecraft.nbt.NBTException e)
    {
        e.printStackTrace();
    }

    stack.setItemMeta(CraftItemStack.getItemMeta(nmsStack));

    return stack;
}
 

public Item dropItem(Location loc, ItemStack item) {
    Validate.notNull(item, "Cannot drop a Null item.");
    Validate.isTrue(item.getTypeId() != 0, "Cannot drop AIR.");
    EntityItem entity = new EntityItem(world, loc.getX(), loc.getY(), loc.getZ(), CraftItemStack.asNMSCopy(item));
    entity.pickupDelay = 10;
    world.spawnEntity(entity, SpawnReason.CUSTOM);
    // TODO this is inconsistent with how Entity.getBukkitEntity() works.
    // However, this entity is not at the moment backed by a server entity class so it may be left.
    return new CraftItem(world.getServer(), entity);
}
 

public static ItemStack callPreCraftEvent(InventoryCrafting matrix, ItemStack result, InventoryView lastCraftView, boolean isRepair) {
    CraftInventoryCrafting inventory = new CraftInventoryCrafting(matrix, matrix.resultInventory);
    inventory.setResult(CraftItemStack.asCraftMirror(result));

    PrepareItemCraftEvent event = new PrepareItemCraftEvent(inventory, lastCraftView, isRepair);
    Bukkit.getPluginManager().callEvent(event);

    org.bukkit.inventory.ItemStack bitem = event.getInventory().getResult();

    return CraftItemStack.asNMSCopy(bitem);
}
 

@Override
public ItemStack modifyItemStack(ItemStack stack, String arguments) {
    net.minecraft.item.ItemStack nmsStack = CraftItemStack.asNMSCopy(stack);

    try {
        nmsStack.setTagCompound((NBTTagCompound) JsonToNBT.getTagFromJson(arguments));
    } catch (NBTException ex) {
        Logger.getLogger(CraftMagicNumbers.class.getName()).log(Level.SEVERE, null, ex);
    }

    stack.setItemMeta(CraftItemStack.getItemMeta(nmsStack));

    return stack;
}
 

static ItemStack asNMS(org.bukkit.inventory.ItemStack bukkit) {
    if(bukkit instanceof CraftItemStack) {
        return ((CraftItemStack) bukkit).getHandle();
    } else {
        return CraftItemStack.asNMSCopy(bukkit);
    }
}
 

public void setItemOnCursor(ItemStack item) {
    net.minecraft.item.ItemStack stack = CraftItemStack.asNMSCopy(item);
    getHandle().inventory.setItemStack(stack);
    if (this instanceof CraftPlayer) {
        ((net.minecraft.entity.player.EntityPlayerMP) getHandle()).updateHeldItem(); // Send set slot for cursor
    }
}
 

public void setItem(ItemStack item) {
    // The ItemStack must not be null.
    Validate.notNull(item, "ItemStack cannot be null.");

    // The ItemStack must be a potion.
    Validate.isTrue(item.getType() == Material.POTION, "ItemStack must be a potion. This item stack was " + item.getType() + ".");

    getHandle().potionDamage = CraftItemStack.asNMSCopy(item);
}
 

public static Packet entityHelmetPacket(int entityId, org.bukkit.inventory.ItemStack helmet) {
    return new PacketPlayOutEntityEquipment(entityId, EnumItemSlot.HEAD, CraftItemStack.asNMSCopy(helmet));
}
 

@SuppressWarnings("unchecked")
public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity) {
    net.minecraft.world.World world = ((CraftWorld) getWorld()).getHandle();
    net.minecraft.entity.Entity launch = null;

    if (Snowball.class.isAssignableFrom(projectile)) {
        launch = new net.minecraft.entity.projectile.EntitySnowball(world, getHandle());
    } else if (Egg.class.isAssignableFrom(projectile)) {
        launch = new net.minecraft.entity.projectile.EntityEgg(world, getHandle());
    } else if (EnderPearl.class.isAssignableFrom(projectile)) {
        launch = new net.minecraft.entity.item.EntityEnderPearl(world, getHandle());
    } else if (Arrow.class.isAssignableFrom(projectile)) {
        launch = new net.minecraft.entity.projectile.EntityArrow(world, getHandle(), 1);
    } else if (ThrownPotion.class.isAssignableFrom(projectile)) {
        launch = new net.minecraft.entity.projectile.EntityPotion(world, getHandle(), CraftItemStack.asNMSCopy(new ItemStack(Material.POTION, 1)));
    } else if (ThrownExpBottle.class.isAssignableFrom(projectile)) {
        launch = new net.minecraft.entity.item.EntityExpBottle(world, getHandle());
    } else if (Fish.class.isAssignableFrom(projectile) && getHandle() instanceof net.minecraft.entity.player.EntityPlayer) {
        launch = new net.minecraft.entity.projectile.EntityFishHook(world, (net.minecraft.entity.player.EntityPlayer) getHandle());
    } else if (Fireball.class.isAssignableFrom(projectile)) {
        Location location = getEyeLocation();
        Vector direction = location.getDirection().multiply(10);

        if (SmallFireball.class.isAssignableFrom(projectile)) {
            launch = new net.minecraft.entity.projectile.EntitySmallFireball(world, getHandle(), direction.getX(), direction.getY(), direction.getZ());
        } else if (WitherSkull.class.isAssignableFrom(projectile)) {
            launch = new net.minecraft.entity.projectile.EntityWitherSkull(world, getHandle(), direction.getX(), direction.getY(), direction.getZ());
        } else {
            launch = new net.minecraft.entity.projectile.EntityLargeFireball(world, getHandle(), direction.getX(), direction.getY(), direction.getZ());
        }

        ((net.minecraft.entity.projectile.EntityFireball) launch).projectileSource = this;
        launch.setLocationAndAngles(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
    }

    Validate.notNull(launch, "Projectile not supported");

    if (velocity != null) {
        ((T) launch.getBukkitEntity()).setVelocity(velocity);
    }

    world.spawnEntityInWorld(launch);
    return (T) launch.getBukkitEntity();
}