org.bukkit.craftbukkit.inventory.CraftItemStack Java Examples

@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 static void handleEditBookEvent(EntityPlayerMP player, ItemStack newBookItem) {
    int itemInHandIndex = player.inventory.currentItem;

    PlayerEditBookEvent editBookEvent = new PlayerEditBookEvent(player.getBukkitEntity(), player.inventory.currentItem, (BookMeta) CraftItemStack.getItemMeta(player.inventory.getCurrentItem()), (BookMeta) CraftItemStack.getItemMeta(newBookItem), newBookItem.getItem() == Items.WRITTEN_BOOK);
    player.world.getServer().getPluginManager().callEvent(editBookEvent);
    ItemStack itemInHand = player.inventory.getStackInSlot(itemInHandIndex);

    // If they've got the same item in their hand, it'll need to be updated.
    if (itemInHand != null && itemInHand.getItem() == Items.WRITABLE_BOOK) {
        if (!editBookEvent.isCancelled()) {
            if (editBookEvent.isSigning()) {
                itemInHand.setItem(Items.WRITTEN_BOOK);
            }
            CraftMetaBook meta = (CraftMetaBook) editBookEvent.getNewBookMeta();
            List<ITextComponent> pages = meta.pages;
            for (int i = 0; i < pages.size(); i++) {
                pages.set(i, stripEvents(pages.get(i)));
            }
            CraftItemStack.setItemMeta(itemInHand, meta);
        }

        // Client will have updated its idea of the book item; we need to overwrite that
        Slot slot = player.openContainer.getSlotFromInventory(player.inventory, itemInHandIndex);
        player.connection.sendPacket(new SPacketSetSlot(player.openContainer.windowId, slot.slotNumber, itemInHand));
    }
}
 

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;
}
 

private static PlayerEvent getPlayerBucketEvent(boolean isFilling, EntityPlayer who, int clickedX, int clickedY, int clickedZ, EnumFacing clickedFace, ItemStack itemstack, net.minecraft.item.Item item) {
    Player player = (who == null) ? null : (Player) who.getBukkitEntity();
    CraftItemStack itemInHand = CraftItemStack.asNewCraftStack(item);
    Material bucket = CraftMagicNumbers.getMaterial(itemstack.getItem());

    CraftWorld craftWorld = (CraftWorld) player.getWorld();
    CraftServer craftServer = (CraftServer) player.getServer();

    Block blockClicked = craftWorld.getBlockAt(clickedX, clickedY, clickedZ);
    BlockFace blockFace = CraftBlock.notchToBlockFace(clickedFace);

    PlayerEvent event = null;
    if (isFilling) {
        event = new PlayerBucketFillEvent(player, blockClicked, blockFace, bucket, itemInHand);
        ((PlayerBucketFillEvent) event).setCancelled(!canBuild(craftWorld, player, clickedX, clickedZ));
    } else {
        event = new PlayerBucketEmptyEvent(player, blockClicked, blockFace, bucket, itemInHand);
        ((PlayerBucketEmptyEvent) event).setCancelled(!canBuild(craftWorld, player, clickedX, clickedZ));
    }

    craftServer.getPluginManager().callEvent(event);

    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);
}
 

public static void handleEditBookEvent(net.minecraft.entity.player.EntityPlayerMP player, net.minecraft.item.ItemStack newBookItem) {
    int itemInHandIndex = player.inventory.currentItem;

    PlayerEditBookEvent editBookEvent = new PlayerEditBookEvent(player.getBukkitEntity(), player.inventory.currentItem, (BookMeta) CraftItemStack.getItemMeta(player.inventory.getCurrentItem()), (BookMeta) CraftItemStack.getItemMeta(newBookItem), newBookItem.getItem() == net.minecraft.init.Items.written_book);
    player.worldObj.getServer().getPluginManager().callEvent(editBookEvent);
    net.minecraft.item.ItemStack itemInHand = player.inventory.getStackInSlot(itemInHandIndex);

    // If they've got the same item in their hand, it'll need to be updated.
    if (itemInHand != null && itemInHand.getItem() == net.minecraft.init.Items.writable_book) {
        if (!editBookEvent.isCancelled()) {
            CraftItemStack.setItemMeta(itemInHand, editBookEvent.getNewBookMeta());
            if (editBookEvent.isSigning()) {
                itemInHand.func_150996_a(net.minecraft.init.Items.written_book);
            }
        }

        // Client will have updated its idea of the book item; we need to overwrite that
        net.minecraft.inventory.Slot slot = player.openContainer.getSlotFromInventory((net.minecraft.inventory.IInventory) player.inventory, itemInHandIndex);
        player.playerNetServerHandler.sendPacket(new net.minecraft.network.play.server.S2FPacketSetSlot(player.openContainer.windowId, slot.slotNumber, itemInHand));
    }
}
 

public void UpdateNotificationAndBook(){
    Bukkit.getScheduler().runTaskAsynchronously(Cardinal.getInstance(), new Runnable() {
        @Override
        public void run() {
            try {
                chat = ComponentSerializer.parse(GitUtil.getUpdateMessage(notificationUrl));

                ItemStack NMSbook = new ItemStack(Item.getById(387));
                try {
                    NBTBase nbtbase = MojangsonParser.parse(ChatColor.translateAlternateColorCodes('`', GitUtil.getUpdateMessage(bookUrl)));
                    NMSbook.setTag((NBTTagCompound) nbtbase);
                } catch (MojangsonParseException mojangsonparseexception) {
                    Bukkit.getConsoleSender().sendMessage(mojangsonparseexception.getMessage());
                    return;
                }
                book = CraftItemStack.asBukkitCopy(NMSbook);
            } catch (IOException ignored) {
            }
        }
    });
}
 

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 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 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);
}
 

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

public void setItem(org.bukkit.inventory.ItemStack item) {
    if (item == null || item.getTypeId() == 0) {
        getHandle().getDataWatcher().addObjectByDataType(2, 5);
        getHandle().getDataWatcher().setObjectWatched(2);
    } else {
        getHandle().setDisplayedItem(CraftItemStack.asNMSCopy(item));
    }
}
 

@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;
}
 

private static net.minecraft.util.WeightedRandomFishable toNms(WeightedRandomFishable bukkit) {
    net.minecraft.util.WeightedRandomFishable ret =
            new net.minecraft.util.WeightedRandomFishable(
                    CraftItemStack.asNMSCopy(bukkit.getItemStack()),
                    bukkit.getWeight()).func_150709_a(bukkit.getDamageFraction());
    if (bukkit.hasRandomEnchantments()) {
        ret.func_150707_a();
    }
    return ret;
}
 

public static EntityBreedEvent callEntityBreedEvent(EntityLivingBase child, EntityLivingBase mother, EntityLivingBase father, EntityLivingBase breeder, ItemStack bredWith, int experience) {
    LivingEntity breederEntity = (LivingEntity) (breeder == null ? null : breeder.getBukkitEntity());
    CraftItemStack bredWithStack = bredWith == null ? null : CraftItemStack.asCraftMirror(bredWith).clone();

    EntityBreedEvent event = new EntityBreedEvent((LivingEntity) child.getBukkitEntity(), (LivingEntity) mother.getBukkitEntity(), (LivingEntity) father.getBukkitEntity(), breederEntity, bredWithStack, experience);
    child.world.getServer().getPluginManager().callEvent(event);
    return event;
}
 

/**
 * EntityShootBowEvent
 */
public static EntityShootBowEvent callEntityShootBowEvent(net.minecraft.entity.EntityLivingBase who, net.minecraft.item.ItemStack itemstack, net.minecraft.entity.projectile.EntityArrow entityArrow, float force) {
    LivingEntity shooter = (LivingEntity) who.getBukkitEntity();
    CraftItemStack itemInHand = CraftItemStack.asCraftMirror(itemstack);
    Arrow arrow = (Arrow) entityArrow.getBukkitEntity();

    if (itemInHand != null && (itemInHand.getType() == Material.AIR || itemInHand.getAmount() == 0)) {
        itemInHand = null;
    }

    EntityShootBowEvent event = new EntityShootBowEvent(shooter, itemInHand, arrow, force);
    Bukkit.getPluginManager().callEvent(event);

    return event;
}
 

public Collection<ItemStack> getDrops() {
    List<ItemStack> drops = new ArrayList<ItemStack>();

    net.minecraft.block.Block block = this.getNMSBlock();
    if (block != Blocks.air) {
        byte data = getData();
        // based on nms.Block.dropNaturally
        int count = block.quantityDroppedWithBonus(0, chunk.getHandle().worldObj.rand);
        for (int i = 0; i < count; ++i) {
            Item item = block.getItemDropped(data, chunk.getHandle().worldObj.rand, 0);
            if (item != null) {
                // Skulls are special, their data is based on the tile entity
                if (Blocks.skull == block) {
                    net.minecraft.item.ItemStack nmsStack = new net.minecraft.item.ItemStack(item, 1, block.getDamageValue(chunk.getHandle().worldObj, x, y, z));
                    TileEntitySkull tileentityskull = (TileEntitySkull) chunk.getHandle().worldObj.getTileEntity(x, y, z);

                    if (tileentityskull.func_145904_a() == 3 && tileentityskull.func_152108_a() != null) {
                        nmsStack.setTagCompound(new NBTTagCompound());
                        NBTTagCompound nbttagcompound = new NBTTagCompound();

                        NBTUtil.func_152460_a(nbttagcompound, tileentityskull.func_152108_a());
                        nmsStack.getTagCompound().setTag("SkullOwner", nbttagcompound);
                    }

                    drops.add(CraftItemStack.asBukkitCopy(nmsStack));
                    // We don't want to drop cocoa blocks, we want to drop cocoa beans.
                } else if (Blocks.cocoa == block) {
                    int dropAmount = (BlockCocoa.func_149987_c(data) >= 2 ? 3 : 1);
                    for (int j = 0; j < dropAmount; ++j) {
                        drops.add(new ItemStack(Material.INK_SACK, 1, (short) 3));
                    }
                } else {
                    drops.add(new ItemStack(org.bukkit.craftbukkit.util.CraftMagicNumbers.getMaterial(item), 1, (short) block.damageDropped(data)));
                }
            }
        }
    }
    return drops;
}
 

public static PlayerItemMendEvent callPlayerItemMendEvent(EntityPlayer entity, EntityXPOrb orb, ItemStack nmsMendedItem, int repairAmount) {
    Player player = (Player) entity.getBukkitEntity();
    org.bukkit.inventory.ItemStack bukkitStack = CraftItemStack.asCraftMirror(nmsMendedItem);
    PlayerItemMendEvent event = new PlayerItemMendEvent(player, bukkitStack, (ExperienceOrb) orb.getBukkitEntity(), repairAmount);
    Bukkit.getPluginManager().callEvent(event);
    return event;
}
 

/**
 * BlockDamageEvent
 */
public static BlockDamageEvent callBlockDamageEvent(EntityPlayer who, int x, int y, int z, ItemStack itemstack, boolean instaBreak) {
    Player player = (who == null) ? null : (Player) who.getBukkitEntity();
    CraftItemStack itemInHand = CraftItemStack.asCraftMirror(itemstack);

    CraftWorld craftWorld = (CraftWorld) player.getWorld();
    CraftServer craftServer = (CraftServer) player.getServer();

    Block blockClicked = craftWorld.getBlockAt(x, y, z);

    BlockDamageEvent event = new BlockDamageEvent(player, blockClicked, itemInHand, instaBreak);
    craftServer.getPluginManager().callEvent(event);

    return event;
}
 

/**
 * EntityShootBowEvent
 */
public static EntityShootBowEvent callEntityShootBowEvent(EntityLivingBase who, ItemStack itemstack, EntityArrow entityArrow, float force) {
    LivingEntity shooter = (LivingEntity) who.getBukkitEntity();
    CraftItemStack itemInHand = CraftItemStack.asCraftMirror(itemstack);
    Arrow arrow = (Arrow) entityArrow.getBukkitEntity();

    if (itemInHand != null && (itemInHand.getType() == Material.AIR || itemInHand.getAmount() == 0)) {
        itemInHand = null;
    }

    EntityShootBowEvent event = new EntityShootBowEvent(shooter, itemInHand, arrow, force);
    Bukkit.getPluginManager().callEvent(event);

    return event;
}
 

public static PlayerInteractEvent callPlayerInteractEvent(EntityPlayer who, Action action, BlockPos position, EnumFacing direction, ItemStack itemstack, boolean cancelledBlock, EnumHand hand) {
    Player player = (who == null) ? null : (Player) who.getBukkitEntity();
    CraftItemStack itemInHand = CraftItemStack.asCraftMirror(itemstack);

    CraftWorld craftWorld = (CraftWorld) player.getWorld();
    CraftServer craftServer = (CraftServer) player.getServer();

    Block blockClicked = null;
    if (position != null) {
        blockClicked = craftWorld.getBlockAt(position.getX(), position.getY(), position.getZ());
    } else {
        switch (action) {
            case LEFT_CLICK_BLOCK:
                action = Action.LEFT_CLICK_AIR;
                break;
            case RIGHT_CLICK_BLOCK:
                action = Action.RIGHT_CLICK_AIR;
                break;
        }
    }
    BlockFace blockFace = CraftBlock.notchToBlockFace(direction);

    if (itemInHand.getType() == Material.AIR || itemInHand.getAmount() == 0) {
        itemInHand = null;
    }

    PlayerInteractEvent event = new PlayerInteractEvent(player, action, itemInHand, blockClicked, blockFace, (hand == null) ? null : ((hand == EnumHand.OFF_HAND) ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND));
    if (cancelledBlock) {
        event.setUseInteractedBlock(Event.Result.DENY);
    }
    craftServer.getPluginManager().callEvent(event);

    return event;
}
 

@Override
public List<OreDictionaryEntry> getOreEntries(ItemStack itemStack) {
    int[] ids = OreDictionary.getOreIDs(CraftItemStack.asNMSCopy(itemStack));

    ImmutableList.Builder<OreDictionaryEntry> builder = ImmutableList.builder();
    for (int id : ids) {
        builder.add(OreDictionaryEntry.valueOf(id));
    }

    return builder.build();
}
 

@Override
public List<ItemStack> getDefinitions(OreDictionaryEntry entry) {
    @SuppressWarnings("deprecation")
    List<net.minecraft.item.ItemStack> items = OreDictionary.getOres(entry.getId());

    ImmutableList.Builder<ItemStack> builder = ImmutableList.builder();
    for (net.minecraft.item.ItemStack nmsItem : items) {
        builder.add(CraftItemStack.asCraftMirror(nmsItem));
    }

    return builder.build();
}
 

public Collection<ItemStack> getDrops() {
    List<ItemStack> drops = new ArrayList<ItemStack>();

    net.minecraft.block.Block block = this.getNMSBlock();
    if (block != Blocks.AIR) {
        IBlockState data = getData0();
        // based on nms.Block.dropNaturally
        int count = block.quantityDroppedWithBonus(0, chunk.getHandle().getWorld().rand);
        for (int i = 0; i < count; ++i) {
            Item item = block.getItemDropped(data, chunk.getHandle().getWorld().rand, 0);
            if (item != Items.AIR) {
                // Skulls are special, their data is based on the tile entity
                if (Blocks.SKULL == block) {
                    net.minecraft.item.ItemStack nmsStack = new net.minecraft.item.ItemStack(item, 1, block.damageDropped(data));
                    TileEntitySkull tileentityskull = (TileEntitySkull) chunk.getHandle().getWorld().getTileEntity(new BlockPos(x, y, z));

                    if (tileentityskull.getSkullType() == 3 && tileentityskull.getPlayerProfile() != null) {
                        nmsStack.setTagCompound(new NBTTagCompound());
                        NBTTagCompound nbttagcompound = new NBTTagCompound();

                        NBTUtil.writeGameProfile(nbttagcompound, tileentityskull.getPlayerProfile());
                        nmsStack.getTagCompound().setTag("SkullOwner", nbttagcompound);
                    }

                    drops.add(CraftItemStack.asBukkitCopy(nmsStack));
                    // We don't want to drop cocoa blocks, we want to drop cocoa beans.
                } else if (Blocks.COCOA == block) {
                    int age = (Integer) data.getValue(BlockCocoa.AGE);
                    int dropAmount = (age >= 2 ? 3 : 1);
                    for (int j = 0; j < dropAmount; ++j) {
                        drops.add(new ItemStack(Material.INK_SACK, 1, (short) 3));
                    }
                } else {
                    drops.add(new ItemStack(CraftMagicNumbers.getMaterial(item), 1, (short) block.damageDropped(data)));
                }
            }
        }
    }
    return drops;
}
 

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);
}
 

@Override
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.SPLASH_POTION, "ItemStack must be a splash potion. This item stack was " + item.getType() + ".");

    getHandle().setItem(CraftItemStack.asNMSCopy(item));
}
 

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.LINGERING_POTION, "ItemStack must be a lingering potion. This item stack was " + item.getType() + ".");

    getHandle().setItem(CraftItemStack.asNMSCopy(item));
}
 

public ItemStack getItem() {
    return CraftItemStack.asBukkitCopy(getHandle().getPotion());
}
 

public static boolean itemsEqual(ItemStack item1, ItemStack item2) {
    if (!item1.getType().equals(item2.getType())) return false;
    return toMaxDurability(item1).isSimilar(toMaxDurability(item2)) || CraftItemStack.asCraftCopy(item1).getHandle().getTag().equals(CraftItemStack.asCraftCopy(item2).getHandle().getTag());
}
 

public static NBTTagCompound getItemNBT(ItemStack item) {
    return item instanceof CraftItemStack ? ((CraftItemStack) item).getHandle().c(TAG) : new NBTTagCompound();
}