下面列出了怎么用org.bukkit.craftbukkit.inventory.CraftItemStack的API类实例代码及写法，或者点击链接到github查看源代码。
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 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 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 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));
}
}
@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 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) {
}
}
});
}
@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 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 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 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;
}
/**
* 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;
}
/**
* 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;
}
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;
}
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);
}
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;
}
@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 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));
}
}
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;
}
/**
* 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;
}
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;
}
@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 ItemStack getItem() {
return CraftItemStack.asBukkitCopy(getHandle().getPotion());
}
public void setItem(org.bukkit.inventory.ItemStack item) {
getHandle().setDisplayedItem(CraftItemStack.asNMSCopy(item));
}
public org.bukkit.inventory.ItemStack getItem() {
return CraftItemStack.asBukkitCopy(getHandle().getDisplayedItem());
}