package net.minecraft.world.item; import com.google.common.collect.HashMultimap; import com.google.common.collect.Lists; import com.google.common.collect.Multimap; import com.google.gson.JsonParseException; import com.mojang.brigadier.StringReader; import com.mojang.brigadier.exceptions.CommandSyntaxException; import com.mojang.serialization.Codec; import com.mojang.serialization.codecs.RecordCodecBuilder; import java.text.DecimalFormat; import java.text.DecimalFormatSymbols; import java.util.Collection; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Map.Entry; import java.util.Objects; import java.util.Optional; import java.util.Random; import java.util.function.Consumer; import java.util.function.Predicate; import java.util.stream.Collectors; import javax.annotation.Nullable; import net.minecraft.EnumChatFormat; import net.minecraft.SystemUtils; import net.minecraft.advancements.CriterionTriggers; import net.minecraft.commands.arguments.blocks.ArgumentBlock; import net.minecraft.commands.arguments.blocks.ArgumentBlockPredicate; import net.minecraft.core.BlockPosition; import net.minecraft.core.IRegistry; import net.minecraft.nbt.NBTBase; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.nbt.NBTTagList; import net.minecraft.network.chat.ChatComponentText; import net.minecraft.network.chat.ChatComponentUtils; import net.minecraft.network.chat.ChatHoverable; import net.minecraft.network.chat.ChatMessage; import net.minecraft.network.chat.ChatModifier; import net.minecraft.network.chat.IChatBaseComponent; import net.minecraft.network.chat.IChatMutableComponent; import net.minecraft.resources.MinecraftKey; import net.minecraft.server.level.EntityPlayer; import net.minecraft.sounds.SoundEffect; import net.minecraft.stats.StatisticList; import net.minecraft.tags.ITagRegistry; import net.minecraft.tags.Tag; import net.minecraft.tags.TagsBlock; import net.minecraft.world.EnumHand; import net.minecraft.world.EnumInteractionResult; import net.minecraft.world.InteractionResultWrapper; import net.minecraft.world.entity.Entity; import net.minecraft.world.entity.EntityLiving; import net.minecraft.world.entity.EnumItemSlot; import net.minecraft.world.entity.EnumMonsterType; import net.minecraft.world.entity.SlotAccess; import net.minecraft.world.entity.ai.attributes.AttributeBase; import net.minecraft.world.entity.ai.attributes.AttributeModifier; import net.minecraft.world.entity.ai.attributes.GenericAttributes; import net.minecraft.world.entity.decoration.EntityItemFrame; import net.minecraft.world.entity.item.EntityItem; import net.minecraft.world.entity.player.EntityHuman; import net.minecraft.world.inventory.ClickAction; import net.minecraft.world.inventory.Slot; import net.minecraft.world.inventory.tooltip.TooltipComponent; import net.minecraft.world.item.context.ItemActionContext; import net.minecraft.world.item.enchantment.Enchantment; import net.minecraft.world.item.enchantment.EnchantmentDurability; import net.minecraft.world.item.enchantment.EnchantmentManager; import net.minecraft.world.item.enchantment.Enchantments; import net.minecraft.world.level.IMaterial; import net.minecraft.world.level.World; import net.minecraft.world.level.block.Block; import net.minecraft.world.level.block.state.IBlockData; import net.minecraft.world.level.block.state.pattern.ShapeDetectorBlock; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; // CraftBukkit start import com.mojang.serialization.Dynamic; import java.util.List; import java.util.Map; import net.minecraft.core.EnumDirection; import net.minecraft.nbt.DynamicOpsNBT; import net.minecraft.network.protocol.game.PacketPlayOutBlockChange; import net.minecraft.server.MinecraftServer; import net.minecraft.server.level.WorldServer; import net.minecraft.sounds.SoundCategory; import net.minecraft.util.datafix.fixes.DataConverterTypes; import net.minecraft.world.level.block.BlockJukeBox; import net.minecraft.world.level.block.BlockSapling; import net.minecraft.world.level.block.BlockTileEntity; import net.minecraft.world.level.block.BlockWitherSkull; import net.minecraft.world.level.block.Blocks; import net.minecraft.world.level.block.SoundEffectType; import net.minecraft.world.level.block.entity.TileEntity; import net.minecraft.world.level.block.entity.TileEntitySign; import net.minecraft.world.level.block.entity.TileEntitySkull; import org.bukkit.Location; import org.bukkit.TreeType; import org.bukkit.block.BlockState; import org.bukkit.craftbukkit.block.CraftBlock; import org.bukkit.craftbukkit.block.CraftBlockState; import org.bukkit.craftbukkit.inventory.CraftItemStack; import org.bukkit.craftbukkit.util.CraftMagicNumbers; import org.bukkit.entity.Player; import org.bukkit.event.block.BlockFertilizeEvent; import org.bukkit.event.player.PlayerItemDamageEvent; import org.bukkit.event.world.StructureGrowEvent; // CraftBukkit end public final class ItemStack { public static final Codec CODEC = RecordCodecBuilder.create((instance) -> { return instance.group(IRegistry.ITEM.fieldOf("id").forGetter((itemstack) -> { return itemstack.item; }), Codec.INT.fieldOf("Count").forGetter((itemstack) -> { return itemstack.count; }), NBTTagCompound.CODEC.optionalFieldOf("tag").forGetter((itemstack) -> { return Optional.ofNullable(itemstack.tag); })).apply(instance, ItemStack::new); }); private static final Logger LOGGER = LogManager.getLogger(); public static final ItemStack EMPTY = new ItemStack((Item) null); public static final DecimalFormat ATTRIBUTE_MODIFIER_FORMAT = (DecimalFormat) SystemUtils.a((new DecimalFormat("#.##")), (decimalformat) -> { // CraftBukkit - decompile error decimalformat.setDecimalFormatSymbols(DecimalFormatSymbols.getInstance(Locale.ROOT)); }); public static final String TAG_ENCH = "Enchantments"; public static final String TAG_ENCH_ID = "id"; public static final String TAG_ENCH_LEVEL = "lvl"; public static final String TAG_DISPLAY = "display"; public static final String TAG_DISPLAY_NAME = "Name"; public static final String TAG_LORE = "Lore"; public static final String TAG_DAMAGE = "Damage"; public static final String TAG_COLOR = "color"; private static final String TAG_UNBREAKABLE = "Unbreakable"; private static final String TAG_REPAIR_COST = "RepairCost"; private static final String TAG_CAN_DESTROY_BLOCK_LIST = "CanDestroy"; private static final String TAG_CAN_PLACE_ON_BLOCK_LIST = "CanPlaceOn"; private static final String TAG_HIDE_FLAGS = "HideFlags"; private static final int DONT_HIDE_TOOLTIP = 0; private static final ChatModifier LORE_STYLE = ChatModifier.EMPTY.setColor(EnumChatFormat.DARK_PURPLE).setItalic(true); private int count; private int popTime; @Deprecated private Item item; private NBTTagCompound tag; private boolean emptyCacheFlag; private Entity entityRepresentation; private ShapeDetectorBlock cachedBreakBlock; private boolean cachedBreakBlockResult; private ShapeDetectorBlock cachedPlaceBlock; private boolean cachedPlaceBlockResult; public Optional a() { return this.getItem().h(this); } public ItemStack(IMaterial imaterial) { this(imaterial, 1); } private ItemStack(IMaterial imaterial, int i, Optional optional) { this(imaterial, i); optional.ifPresent(this::setTag); } public ItemStack(IMaterial imaterial, int i) { this.item = imaterial == null ? null : imaterial.getItem(); this.count = i; if (this.item != null && this.item.usesDurability()) { this.setDamage(this.getDamage()); } this.checkEmpty(); } // Called to run this stack through the data converter to handle older storage methods and serialized items public void convertStack(int version) { if (0 < version && version < CraftMagicNumbers.INSTANCE.getDataVersion()) { NBTTagCompound savedStack = new NBTTagCompound(); this.save(savedStack); savedStack = (NBTTagCompound) MinecraftServer.getServer().fixerUpper.update(DataConverterTypes.ITEM_STACK, new Dynamic(DynamicOpsNBT.INSTANCE, savedStack), version, CraftMagicNumbers.INSTANCE.getDataVersion()).getValue(); this.load(savedStack); } } private void checkEmpty() { if (this.emptyCacheFlag && this == ItemStack.EMPTY) throw new AssertionError("TRAP"); // CraftBukkit this.emptyCacheFlag = false; this.emptyCacheFlag = this.isEmpty(); } // CraftBukkit - break into own method private void load(NBTTagCompound nbttagcompound) { this.item = (Item) IRegistry.ITEM.get(new MinecraftKey(nbttagcompound.getString("id"))); this.count = nbttagcompound.getByte("Count"); if (nbttagcompound.hasKeyOfType("tag", 10)) { // CraftBukkit start - make defensive copy as this data may be coming from the save thread this.tag = (NBTTagCompound) nbttagcompound.getCompound("tag").clone(); // CraftBukkit end this.getItem().b(this.tag); } if (this.getItem().usesDurability()) { this.setDamage(this.getDamage()); } } private ItemStack(NBTTagCompound nbttagcompound) { this.load(nbttagcompound); // CraftBukkit end this.checkEmpty(); } public static ItemStack a(NBTTagCompound nbttagcompound) { try { return new ItemStack(nbttagcompound); } catch (RuntimeException runtimeexception) { ItemStack.LOGGER.debug("Tried to load invalid item: {}", nbttagcompound, runtimeexception); return ItemStack.EMPTY; } } public boolean isEmpty() { return this == ItemStack.EMPTY ? true : (this.getItem() != null && !this.a(Items.AIR) ? this.count <= 0 : true); } public ItemStack cloneAndSubtract(int i) { int j = Math.min(i, this.count); ItemStack itemstack = this.cloneItemStack(); itemstack.setCount(j); this.subtract(j); return itemstack; } public Item getItem() { return this.emptyCacheFlag ? Items.AIR : this.item; } public boolean a(Tag tag) { return tag.isTagged(this.getItem()); } public boolean a(Item item) { return this.getItem() == item; } public EnumInteractionResult placeItem(ItemActionContext itemactioncontext, EnumHand enumhand) { // CraftBukkit - add hand EntityHuman entityhuman = itemactioncontext.getEntity(); BlockPosition blockposition = itemactioncontext.getClickPosition(); ShapeDetectorBlock shapedetectorblock = new ShapeDetectorBlock(itemactioncontext.getWorld(), blockposition, false); if (entityhuman != null && !entityhuman.getAbilities().mayBuild && !this.b(itemactioncontext.getWorld().r(), shapedetectorblock)) { return EnumInteractionResult.PASS; } else { // CraftBukkit start - handle all block place event logic here NBTTagCompound oldData = this.getTagClone(); int oldCount = this.getCount(); WorldServer world = (WorldServer) itemactioncontext.getWorld(); if (!(this.getItem() instanceof ItemBucket)) { // if not bucket world.captureBlockStates = true; // special case bonemeal if (this.getItem() == Items.BONE_MEAL) { world.captureTreeGeneration = true; } } Item item = this.getItem(); EnumInteractionResult enuminteractionresult = item.a(itemactioncontext); NBTTagCompound newData = this.getTagClone(); int newCount = this.getCount(); this.setCount(oldCount); this.setTagClone(oldData); world.captureBlockStates = false; if (enuminteractionresult.a() && world.captureTreeGeneration && world.capturedBlockStates.size() > 0) { world.captureTreeGeneration = false; Location location = new Location(world.getWorld(), blockposition.getX(), blockposition.getY(), blockposition.getZ()); TreeType treeType = BlockSapling.treeType; BlockSapling.treeType = null; List blocks = new java.util.ArrayList<>(world.capturedBlockStates.values()); world.capturedBlockStates.clear(); StructureGrowEvent structureEvent = null; if (treeType != null) { boolean isBonemeal = getItem() == Items.BONE_MEAL; structureEvent = new StructureGrowEvent(location, treeType, isBonemeal, (Player) entityhuman.getBukkitEntity(), blocks); org.bukkit.Bukkit.getPluginManager().callEvent(structureEvent); } BlockFertilizeEvent fertilizeEvent = new BlockFertilizeEvent(CraftBlock.at(world, blockposition), (Player) entityhuman.getBukkitEntity(), blocks); fertilizeEvent.setCancelled(structureEvent != null && structureEvent.isCancelled()); org.bukkit.Bukkit.getPluginManager().callEvent(fertilizeEvent); if (!fertilizeEvent.isCancelled()) { // Change the stack to its new contents if it hasn't been tampered with. if (this.getCount() == oldCount && Objects.equals(this.tag, oldData)) { this.setTag(newData); this.setCount(newCount); } for (BlockState blockstate : blocks) { blockstate.update(true); } } return enuminteractionresult; } world.captureTreeGeneration = false; if (entityhuman != null && enuminteractionresult.c()) { org.bukkit.event.block.BlockPlaceEvent placeEvent = null; List blocks = new java.util.ArrayList<>(world.capturedBlockStates.values()); world.capturedBlockStates.clear(); if (blocks.size() > 1) { placeEvent = org.bukkit.craftbukkit.event.CraftEventFactory.callBlockMultiPlaceEvent(world, entityhuman, enumhand, blocks, blockposition.getX(), blockposition.getY(), blockposition.getZ()); } else if (blocks.size() == 1) { placeEvent = org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPlaceEvent(world, entityhuman, enumhand, blocks.get(0), blockposition.getX(), blockposition.getY(), blockposition.getZ()); } if (placeEvent != null && (placeEvent.isCancelled() || !placeEvent.canBuild())) { enuminteractionresult = EnumInteractionResult.FAIL; // cancel placement // PAIL: Remove this when MC-99075 fixed placeEvent.getPlayer().updateInventory(); // revert back all captured blocks for (BlockState blockstate : blocks) { blockstate.update(true, false); } // Brute force all possible updates BlockPosition placedPos = ((CraftBlock) placeEvent.getBlock()).getPosition(); for (EnumDirection dir : EnumDirection.values()) { ((EntityPlayer) entityhuman).connection.sendPacket(new PacketPlayOutBlockChange(world, placedPos.shift(dir))); } } else { // Change the stack to its new contents if it hasn't been tampered with. if (this.getCount() == oldCount && Objects.equals(this.tag, oldData)) { this.setTag(newData); this.setCount(newCount); } for (Map.Entry e : world.capturedTileEntities.entrySet()) { world.setTileEntity(e.getValue()); } for (BlockState blockstate : blocks) { int updateFlag = ((CraftBlockState) blockstate).getFlag(); IBlockData oldBlock = ((CraftBlockState) blockstate).getHandle(); BlockPosition newblockposition = ((CraftBlockState) blockstate).getPosition(); IBlockData block = world.getType(newblockposition); if (!(block.getBlock() instanceof BlockTileEntity)) { // Containers get placed automatically block.getBlock().onPlace(block, world, newblockposition, oldBlock, true); } world.notifyAndUpdatePhysics(newblockposition, null, oldBlock, block, world.getType(newblockposition), updateFlag, 512); // send null chunk as chunk.k() returns false by this point } // Special case juke boxes as they update their tile entity. Copied from ItemRecord. // PAIL: checkme on updates. if (this.item instanceof ItemRecord) { ((BlockJukeBox) Blocks.JUKEBOX).a(world, blockposition, world.getType(blockposition), this); world.a((EntityHuman) null, 1010, blockposition, Item.getId(this.item)); this.subtract(1); entityhuman.a(StatisticList.PLAY_RECORD); } if (this.item == Items.WITHER_SKELETON_SKULL) { // Special case skulls to allow wither spawns to be cancelled BlockPosition bp = blockposition; if (!world.getType(blockposition).getMaterial().isReplaceable()) { if (!world.getType(blockposition).getMaterial().isBuildable()) { bp = null; } else { bp = bp.shift(itemactioncontext.getClickedFace()); } } if (bp != null) { TileEntity te = world.getTileEntity(bp); if (te instanceof TileEntitySkull) { BlockWitherSkull.a(world, bp, (TileEntitySkull) te); } } } // SPIGOT-4678 if (this.item instanceof ItemSign && ItemSign.openSign != null) { try { entityhuman.openSign((TileEntitySign) world.getTileEntity(ItemSign.openSign)); } finally { ItemSign.openSign = null; } } // SPIGOT-1288 - play sound stripped from ItemBlock if (this.item instanceof ItemBlock) { SoundEffectType soundeffecttype = ((ItemBlock) this.item).getBlock().getStepSound(null); world.playSound(entityhuman, blockposition, soundeffecttype.getPlaceSound(), SoundCategory.BLOCKS, (soundeffecttype.getVolume() + 1.0F) / 2.0F, soundeffecttype.getPitch() * 0.8F); } entityhuman.b(StatisticList.ITEM_USED.b(item)); } } world.capturedTileEntities.clear(); world.capturedBlockStates.clear(); // CraftBukkit end return enuminteractionresult; } } public float a(IBlockData iblockdata) { return this.getItem().getDestroySpeed(this, iblockdata); } public InteractionResultWrapper a(World world, EntityHuman entityhuman, EnumHand enumhand) { return this.getItem().a(world, entityhuman, enumhand); } public ItemStack a(World world, EntityLiving entityliving) { return this.getItem().a(this, world, entityliving); } public NBTTagCompound save(NBTTagCompound nbttagcompound) { MinecraftKey minecraftkey = IRegistry.ITEM.getKey(this.getItem()); nbttagcompound.setString("id", minecraftkey == null ? "minecraft:air" : minecraftkey.toString()); nbttagcompound.setByte("Count", (byte) this.count); if (this.tag != null) { nbttagcompound.set("tag", this.tag.clone()); } return nbttagcompound; } public int getMaxStackSize() { return this.getItem().getMaxStackSize(); } public boolean isStackable() { return this.getMaxStackSize() > 1 && (!this.f() || !this.g()); } public boolean f() { if (!this.emptyCacheFlag && this.getItem().getMaxDurability() > 0) { NBTTagCompound nbttagcompound = this.getTag(); return nbttagcompound == null || !nbttagcompound.getBoolean("Unbreakable"); } else { return false; } } public boolean g() { return this.f() && this.getDamage() > 0; } public int getDamage() { return this.tag == null ? 0 : this.tag.getInt("Damage"); } public void setDamage(int i) { this.getOrCreateTag().setInt("Damage", Math.max(0, i)); } public int i() { return this.getItem().getMaxDurability(); } public boolean isDamaged(int i, Random random, @Nullable EntityPlayer entityplayer) { if (!this.f()) { return false; } else { int j; if (i > 0) { j = EnchantmentManager.getEnchantmentLevel(Enchantments.UNBREAKING, this); int k = 0; for (int l = 0; j > 0 && l < i; ++l) { if (EnchantmentDurability.a(this, j, random)) { ++k; } } i -= k; // CraftBukkit start if (entityplayer != null) { PlayerItemDamageEvent event = new PlayerItemDamageEvent(entityplayer.getBukkitEntity(), CraftItemStack.asCraftMirror(this), i); event.getPlayer().getServer().getPluginManager().callEvent(event); if (i != event.getDamage() || event.isCancelled()) { event.getPlayer().updateInventory(); } if (event.isCancelled()) { return false; } i = event.getDamage(); } // CraftBukkit end if (i <= 0) { return false; } } if (entityplayer != null && i != 0) { CriterionTriggers.ITEM_DURABILITY_CHANGED.a(entityplayer, this, this.getDamage() + i); } j = this.getDamage() + i; this.setDamage(j); return j >= this.i(); } } public void damage(int i, T t0, Consumer consumer) { if (!t0.level.isClientSide && (!(t0 instanceof EntityHuman) || !((EntityHuman) t0).getAbilities().instabuild)) { if (this.f()) { if (this.isDamaged(i, t0.getRandom(), t0 instanceof EntityPlayer ? (EntityPlayer) t0 : null)) { consumer.accept(t0); Item item = this.getItem(); // CraftBukkit start - Check for item breaking if (this.count == 1 && t0 instanceof EntityHuman) { org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemBreakEvent((EntityHuman) t0, this); } // CraftBukkit end this.subtract(1); if (t0 instanceof EntityHuman) { ((EntityHuman) t0).b(StatisticList.ITEM_BROKEN.b(item)); } this.setDamage(0); } } } } public boolean j() { return this.item.e(this); } public int k() { return this.item.f(this); } public int l() { return this.item.g(this); } public boolean a(Slot slot, ClickAction clickaction, EntityHuman entityhuman) { return this.getItem().a(this, slot, clickaction, entityhuman); } public boolean a(ItemStack itemstack, Slot slot, ClickAction clickaction, EntityHuman entityhuman, SlotAccess slotaccess) { return this.getItem().a(this, itemstack, slot, clickaction, entityhuman, slotaccess); } public void a(EntityLiving entityliving, EntityHuman entityhuman) { Item item = this.getItem(); if (item.a(this, entityliving, (EntityLiving) entityhuman)) { entityhuman.b(StatisticList.ITEM_USED.b(item)); } } public void a(World world, IBlockData iblockdata, BlockPosition blockposition, EntityHuman entityhuman) { Item item = this.getItem(); if (item.a(this, world, iblockdata, blockposition, entityhuman)) { entityhuman.b(StatisticList.ITEM_USED.b(item)); } } public boolean canDestroySpecialBlock(IBlockData iblockdata) { return this.getItem().canDestroySpecialBlock(iblockdata); } public EnumInteractionResult a(EntityHuman entityhuman, EntityLiving entityliving, EnumHand enumhand) { return this.getItem().a(this, entityhuman, entityliving, enumhand); } public ItemStack cloneItemStack() { if (this.isEmpty()) { return ItemStack.EMPTY; } else { ItemStack itemstack = new ItemStack(this.getItem(), this.count); itemstack.d(this.H()); if (this.tag != null) { itemstack.tag = this.tag.clone(); } return itemstack; } } public static boolean equals(ItemStack itemstack, ItemStack itemstack1) { return itemstack.isEmpty() && itemstack1.isEmpty() ? true : (!itemstack.isEmpty() && !itemstack1.isEmpty() ? (itemstack.tag == null && itemstack1.tag != null ? false : itemstack.tag == null || itemstack.tag.equals(itemstack1.tag)) : false); } public static boolean matches(ItemStack itemstack, ItemStack itemstack1) { return itemstack.isEmpty() && itemstack1.isEmpty() ? true : (!itemstack.isEmpty() && !itemstack1.isEmpty() ? itemstack.c(itemstack1) : false); } private boolean c(ItemStack itemstack) { return this.count != itemstack.count ? false : (!this.a(itemstack.getItem()) ? false : (this.tag == null && itemstack.tag != null ? false : this.tag == null || this.tag.equals(itemstack.tag))); } public static boolean c(ItemStack itemstack, ItemStack itemstack1) { return itemstack == itemstack1 ? true : (!itemstack.isEmpty() && !itemstack1.isEmpty() ? itemstack.doMaterialsMatch(itemstack1) : false); } public static boolean d(ItemStack itemstack, ItemStack itemstack1) { return itemstack == itemstack1 ? true : (!itemstack.isEmpty() && !itemstack1.isEmpty() ? itemstack.b(itemstack1) : false); } public boolean doMaterialsMatch(ItemStack itemstack) { return !itemstack.isEmpty() && this.a(itemstack.getItem()); } public boolean b(ItemStack itemstack) { return !this.f() ? this.doMaterialsMatch(itemstack) : !itemstack.isEmpty() && this.a(itemstack.getItem()); } public static boolean e(ItemStack itemstack, ItemStack itemstack1) { return itemstack.a(itemstack1.getItem()) && equals(itemstack, itemstack1); } public String n() { return this.getItem().j(this); } public String toString() { return this.count + " " + this.getItem(); } public void a(World world, Entity entity, int i, boolean flag) { if (this.popTime > 0) { --this.popTime; } if (this.getItem() != null) { this.getItem().a(this, world, entity, i, flag); } } public void a(World world, EntityHuman entityhuman, int i) { entityhuman.a(StatisticList.ITEM_CRAFTED.b(this.getItem()), i); this.getItem().b(this, world, entityhuman); } public int o() { return this.getItem().b(this); } public EnumAnimation p() { return this.getItem().c(this); } public void a(World world, EntityLiving entityliving, int i) { this.getItem().a(this, world, entityliving, i); } public boolean q() { return this.getItem().l(this); } public boolean hasTag() { return !this.emptyCacheFlag && this.tag != null && !this.tag.isEmpty(); } @Nullable public NBTTagCompound getTag() { return this.tag; } // CraftBukkit start @Nullable private NBTTagCompound getTagClone() { return this.tag == null ? null : this.tag.clone(); } private void setTagClone(@Nullable NBTTagCompound nbtttagcompound) { this.setTag(nbtttagcompound == null ? null : nbtttagcompound.clone()); } // CraftBukkit end public NBTTagCompound getOrCreateTag() { if (this.tag == null) { this.setTag(new NBTTagCompound()); } return this.tag; } public NBTTagCompound a(String s) { if (this.tag != null && this.tag.hasKeyOfType(s, 10)) { return this.tag.getCompound(s); } else { NBTTagCompound nbttagcompound = new NBTTagCompound(); this.a(s, (NBTBase) nbttagcompound); return nbttagcompound; } } @Nullable public NBTTagCompound b(String s) { return this.tag != null && this.tag.hasKeyOfType(s, 10) ? this.tag.getCompound(s) : null; } public void removeTag(String s) { if (this.tag != null && this.tag.hasKey(s)) { this.tag.remove(s); if (this.tag.isEmpty()) { this.tag = null; } } } public NBTTagList getEnchantments() { return this.tag != null ? this.tag.getList("Enchantments", 10) : new NBTTagList(); } public void setTag(@Nullable NBTTagCompound nbttagcompound) { this.tag = nbttagcompound; if (this.getItem().usesDurability()) { this.setDamage(this.getDamage()); } if (nbttagcompound != null) { this.getItem().b(nbttagcompound); } } public IChatBaseComponent getName() { NBTTagCompound nbttagcompound = this.b("display"); if (nbttagcompound != null && nbttagcompound.hasKeyOfType("Name", 8)) { try { IChatMutableComponent ichatmutablecomponent = IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("Name")); if (ichatmutablecomponent != null) { return ichatmutablecomponent; } nbttagcompound.remove("Name"); } catch (JsonParseException jsonparseexception) { nbttagcompound.remove("Name"); } } return this.getItem().m(this); } public ItemStack a(@Nullable IChatBaseComponent ichatbasecomponent) { NBTTagCompound nbttagcompound = this.a("display"); if (ichatbasecomponent != null) { nbttagcompound.setString("Name", IChatBaseComponent.ChatSerializer.a(ichatbasecomponent)); } else { nbttagcompound.remove("Name"); } return this; } public void w() { NBTTagCompound nbttagcompound = this.b("display"); if (nbttagcompound != null) { nbttagcompound.remove("Name"); if (nbttagcompound.isEmpty()) { this.removeTag("display"); } } if (this.tag != null && this.tag.isEmpty()) { this.tag = null; } } public boolean hasName() { NBTTagCompound nbttagcompound = this.b("display"); return nbttagcompound != null && nbttagcompound.hasKeyOfType("Name", 8); } public List a(@Nullable EntityHuman entityhuman, TooltipFlag tooltipflag) { List list = Lists.newArrayList(); IChatMutableComponent ichatmutablecomponent = (new ChatComponentText("")).addSibling(this.getName()).a(this.z().color); if (this.hasName()) { ichatmutablecomponent.a(EnumChatFormat.ITALIC); } list.add(ichatmutablecomponent); if (!tooltipflag.a() && !this.hasName() && this.a(Items.FILLED_MAP)) { Integer integer = ItemWorldMap.d(this); if (integer != null) { list.add((new ChatComponentText("#" + integer)).a(EnumChatFormat.GRAY)); } } int i = this.O(); if (a(i, ItemStack.HideFlags.ADDITIONAL)) { this.getItem().a(this, entityhuman == null ? null : entityhuman.level, (List) list, tooltipflag); } int j; if (this.hasTag()) { if (a(i, ItemStack.HideFlags.ENCHANTMENTS)) { a((List) list, this.getEnchantments()); } if (this.tag.hasKeyOfType("display", 10)) { NBTTagCompound nbttagcompound = this.tag.getCompound("display"); if (a(i, ItemStack.HideFlags.DYE) && nbttagcompound.hasKeyOfType("color", 99)) { if (tooltipflag.a()) { list.add((new ChatMessage("item.color", new Object[]{String.format("#%06X", nbttagcompound.getInt("color"))})).a(EnumChatFormat.GRAY)); } else { list.add((new ChatMessage("item.dyed")).a(new EnumChatFormat[]{EnumChatFormat.GRAY, EnumChatFormat.ITALIC})); } } if (nbttagcompound.d("Lore") == 9) { NBTTagList nbttaglist = nbttagcompound.getList("Lore", 8); for (j = 0; j < nbttaglist.size(); ++j) { String s = nbttaglist.getString(j); try { IChatMutableComponent ichatmutablecomponent1 = IChatBaseComponent.ChatSerializer.a(s); if (ichatmutablecomponent1 != null) { list.add(ChatComponentUtils.a(ichatmutablecomponent1, ItemStack.LORE_STYLE)); } } catch (JsonParseException jsonparseexception) { nbttagcompound.remove("Lore"); } } } } } int k; if (a(i, ItemStack.HideFlags.MODIFIERS)) { EnumItemSlot[] aenumitemslot = EnumItemSlot.values(); k = aenumitemslot.length; for (j = 0; j < k; ++j) { EnumItemSlot enumitemslot = aenumitemslot[j]; Multimap multimap = this.a(enumitemslot); if (!multimap.isEmpty()) { list.add(ChatComponentText.EMPTY); list.add((new ChatMessage("item.modifiers." + enumitemslot.getSlotName())).a(EnumChatFormat.GRAY)); Iterator iterator = multimap.entries().iterator(); while (iterator.hasNext()) { Entry entry = (Entry) iterator.next(); AttributeModifier attributemodifier = (AttributeModifier) entry.getValue(); double d0 = attributemodifier.getAmount(); boolean flag = false; if (entityhuman != null) { if (attributemodifier.getUniqueId() == Item.BASE_ATTACK_DAMAGE_UUID) { d0 += entityhuman.c(GenericAttributes.ATTACK_DAMAGE); d0 += (double) EnchantmentManager.a(this, EnumMonsterType.UNDEFINED); flag = true; } else if (attributemodifier.getUniqueId() == Item.BASE_ATTACK_SPEED_UUID) { d0 += entityhuman.c(GenericAttributes.ATTACK_SPEED); flag = true; } } double d1; if (attributemodifier.getOperation() != AttributeModifier.Operation.MULTIPLY_BASE && attributemodifier.getOperation() != AttributeModifier.Operation.MULTIPLY_TOTAL) { if (((AttributeBase) entry.getKey()).equals(GenericAttributes.KNOCKBACK_RESISTANCE)) { d1 = d0 * 10.0D; } else { d1 = d0; } } else { d1 = d0 * 100.0D; } if (flag) { list.add((new ChatComponentText(" ")).addSibling(new ChatMessage("attribute.modifier.equals." + attributemodifier.getOperation().a(), new Object[]{ItemStack.ATTRIBUTE_MODIFIER_FORMAT.format(d1), new ChatMessage(((AttributeBase) entry.getKey()).getName())})).a(EnumChatFormat.DARK_GREEN)); } else if (d0 > 0.0D) { list.add((new ChatMessage("attribute.modifier.plus." + attributemodifier.getOperation().a(), new Object[]{ItemStack.ATTRIBUTE_MODIFIER_FORMAT.format(d1), new ChatMessage(((AttributeBase) entry.getKey()).getName())})).a(EnumChatFormat.BLUE)); } else if (d0 < 0.0D) { d1 *= -1.0D; list.add((new ChatMessage("attribute.modifier.take." + attributemodifier.getOperation().a(), new Object[]{ItemStack.ATTRIBUTE_MODIFIER_FORMAT.format(d1), new ChatMessage(((AttributeBase) entry.getKey()).getName())})).a(EnumChatFormat.RED)); } } } } } if (this.hasTag()) { if (a(i, ItemStack.HideFlags.UNBREAKABLE) && this.tag.getBoolean("Unbreakable")) { list.add((new ChatMessage("item.unbreakable")).a(EnumChatFormat.BLUE)); } NBTTagList nbttaglist1; if (a(i, ItemStack.HideFlags.CAN_DESTROY) && this.tag.hasKeyOfType("CanDestroy", 9)) { nbttaglist1 = this.tag.getList("CanDestroy", 8); if (!nbttaglist1.isEmpty()) { list.add(ChatComponentText.EMPTY); list.add((new ChatMessage("item.canBreak")).a(EnumChatFormat.GRAY)); for (k = 0; k < nbttaglist1.size(); ++k) { list.addAll(d(nbttaglist1.getString(k))); } } } if (a(i, ItemStack.HideFlags.CAN_PLACE) && this.tag.hasKeyOfType("CanPlaceOn", 9)) { nbttaglist1 = this.tag.getList("CanPlaceOn", 8); if (!nbttaglist1.isEmpty()) { list.add(ChatComponentText.EMPTY); list.add((new ChatMessage("item.canPlace")).a(EnumChatFormat.GRAY)); for (k = 0; k < nbttaglist1.size(); ++k) { list.addAll(d(nbttaglist1.getString(k))); } } } } if (tooltipflag.a()) { if (this.g()) { list.add(new ChatMessage("item.durability", new Object[]{this.i() - this.getDamage(), this.i()})); } list.add((new ChatComponentText(IRegistry.ITEM.getKey(this.getItem()).toString())).a(EnumChatFormat.DARK_GRAY)); if (this.hasTag()) { list.add((new ChatMessage("item.nbt_tags", new Object[]{this.tag.getKeys().size()})).a(EnumChatFormat.DARK_GRAY)); } } return list; } private static boolean a(int i, ItemStack.HideFlags itemstack_hideflags) { return (i & itemstack_hideflags.a()) == 0; } private int O() { return this.hasTag() && this.tag.hasKeyOfType("HideFlags", 99) ? this.tag.getInt("HideFlags") : 0; } public void a(ItemStack.HideFlags itemstack_hideflags) { NBTTagCompound nbttagcompound = this.getOrCreateTag(); nbttagcompound.setInt("HideFlags", nbttagcompound.getInt("HideFlags") | itemstack_hideflags.a()); } public static void a(List list, NBTTagList nbttaglist) { for (int i = 0; i < nbttaglist.size(); ++i) { NBTTagCompound nbttagcompound = nbttaglist.getCompound(i); IRegistry.ENCHANTMENT.getOptional(MinecraftKey.a(nbttagcompound.getString("id"))).ifPresent((enchantment) -> { list.add(enchantment.d(nbttagcompound.getInt("lvl"))); }); } } private static Collection d(String s) { try { ArgumentBlock argumentblock = (new ArgumentBlock(new StringReader(s), true)).a(true); IBlockData iblockdata = argumentblock.getBlockData(); MinecraftKey minecraftkey = argumentblock.d(); boolean flag = iblockdata != null; boolean flag1 = minecraftkey != null; if (flag || flag1) { if (flag) { return Lists.newArrayList(new IChatBaseComponent[]{iblockdata.getBlock().g().a(EnumChatFormat.DARK_GRAY)}); } Tag tag = TagsBlock.a().a(minecraftkey); if (tag != null) { Collection collection = tag.getTagged(); if (!collection.isEmpty()) { return (Collection) collection.stream().map(Block::g).map((ichatmutablecomponent) -> { return ichatmutablecomponent.a(EnumChatFormat.DARK_GRAY); }).collect(Collectors.toList()); } } } } catch (CommandSyntaxException commandsyntaxexception) { ; } return Lists.newArrayList(new IChatBaseComponent[]{(new ChatComponentText("missingno")).a(EnumChatFormat.DARK_GRAY)}); } public boolean y() { return this.getItem().i(this); } public EnumItemRarity z() { return this.getItem().n(this); } public boolean canEnchant() { return !this.getItem().a(this) ? false : !this.hasEnchantments(); } public void addEnchantment(Enchantment enchantment, int i) { this.getOrCreateTag(); if (!this.tag.hasKeyOfType("Enchantments", 9)) { this.tag.set("Enchantments", new NBTTagList()); } NBTTagList nbttaglist = this.tag.getList("Enchantments", 10); NBTTagCompound nbttagcompound = new NBTTagCompound(); nbttagcompound.setString("id", String.valueOf(IRegistry.ENCHANTMENT.getKey(enchantment))); nbttagcompound.setShort("lvl", (short) ((byte) i)); nbttaglist.add(nbttagcompound); } public boolean hasEnchantments() { return this.tag != null && this.tag.hasKeyOfType("Enchantments", 9) ? !this.tag.getList("Enchantments", 10).isEmpty() : false; } public void a(String s, NBTBase nbtbase) { this.getOrCreateTag().set(s, nbtbase); } public boolean C() { return this.entityRepresentation instanceof EntityItemFrame; } public void a(@Nullable Entity entity) { this.entityRepresentation = entity; } @Nullable public EntityItemFrame D() { return this.entityRepresentation instanceof EntityItemFrame ? (EntityItemFrame) this.E() : null; } @Nullable public Entity E() { return !this.emptyCacheFlag ? this.entityRepresentation : null; } public int getRepairCost() { return this.hasTag() && this.tag.hasKeyOfType("RepairCost", 3) ? this.tag.getInt("RepairCost") : 0; } public void setRepairCost(int i) { // CraftBukkit start - remove RepairCost tag when 0 (SPIGOT-3945) if (i == 0) { this.removeTag("RepairCost"); return; } // CraftBukkit end this.getOrCreateTag().setInt("RepairCost", i); } public Multimap a(EnumItemSlot enumitemslot) { Object object; if (this.hasTag() && this.tag.hasKeyOfType("AttributeModifiers", 9)) { object = HashMultimap.create(); NBTTagList nbttaglist = this.tag.getList("AttributeModifiers", 10); for (int i = 0; i < nbttaglist.size(); ++i) { NBTTagCompound nbttagcompound = nbttaglist.getCompound(i); if (!nbttagcompound.hasKeyOfType("Slot", 8) || nbttagcompound.getString("Slot").equals(enumitemslot.getSlotName())) { Optional optional = IRegistry.ATTRIBUTE.getOptional(MinecraftKey.a(nbttagcompound.getString("AttributeName"))); if (optional.isPresent()) { AttributeModifier attributemodifier = AttributeModifier.a(nbttagcompound); if (attributemodifier != null && attributemodifier.getUniqueId().getLeastSignificantBits() != 0L && attributemodifier.getUniqueId().getMostSignificantBits() != 0L) { ((Multimap) object).put((AttributeBase) optional.get(), attributemodifier); } } } } } else { object = this.getItem().a(enumitemslot); } return (Multimap) object; } public void a(AttributeBase attributebase, AttributeModifier attributemodifier, @Nullable EnumItemSlot enumitemslot) { this.getOrCreateTag(); if (!this.tag.hasKeyOfType("AttributeModifiers", 9)) { this.tag.set("AttributeModifiers", new NBTTagList()); } NBTTagList nbttaglist = this.tag.getList("AttributeModifiers", 10); NBTTagCompound nbttagcompound = attributemodifier.save(); nbttagcompound.setString("AttributeName", IRegistry.ATTRIBUTE.getKey(attributebase).toString()); if (enumitemslot != null) { nbttagcompound.setString("Slot", enumitemslot.getSlotName()); } nbttaglist.add(nbttagcompound); } // CraftBukkit start @Deprecated public void setItem(Item item) { this.item = item; } // CraftBukkit end public IChatBaseComponent G() { IChatMutableComponent ichatmutablecomponent = (new ChatComponentText("")).addSibling(this.getName()); if (this.hasName()) { ichatmutablecomponent.a(EnumChatFormat.ITALIC); } IChatMutableComponent ichatmutablecomponent1 = ChatComponentUtils.a((IChatBaseComponent) ichatmutablecomponent); if (!this.emptyCacheFlag) { ichatmutablecomponent1.a(this.z().color).format((chatmodifier) -> { return chatmodifier.setChatHoverable(new ChatHoverable(ChatHoverable.EnumHoverAction.SHOW_ITEM, new ChatHoverable.c(this))); }); } return ichatmutablecomponent1; } private static boolean a(ShapeDetectorBlock shapedetectorblock, @Nullable ShapeDetectorBlock shapedetectorblock1) { return shapedetectorblock1 != null && shapedetectorblock.a() == shapedetectorblock1.a() ? (shapedetectorblock.b() == null && shapedetectorblock1.b() == null ? true : (shapedetectorblock.b() != null && shapedetectorblock1.b() != null ? Objects.equals(shapedetectorblock.b().save(new NBTTagCompound()), shapedetectorblock1.b().save(new NBTTagCompound())) : false)) : false; } public boolean a(ITagRegistry itagregistry, ShapeDetectorBlock shapedetectorblock) { if (a(shapedetectorblock, this.cachedBreakBlock)) { return this.cachedBreakBlockResult; } else { this.cachedBreakBlock = shapedetectorblock; if (this.hasTag() && this.tag.hasKeyOfType("CanDestroy", 9)) { NBTTagList nbttaglist = this.tag.getList("CanDestroy", 8); for (int i = 0; i < nbttaglist.size(); ++i) { String s = nbttaglist.getString(i); try { Predicate predicate = ArgumentBlockPredicate.a().parse(new StringReader(s)).create(itagregistry); if (predicate.test(shapedetectorblock)) { this.cachedBreakBlockResult = true; return true; } } catch (CommandSyntaxException commandsyntaxexception) { ; } } } this.cachedBreakBlockResult = false; return false; } } public boolean b(ITagRegistry itagregistry, ShapeDetectorBlock shapedetectorblock) { if (a(shapedetectorblock, this.cachedPlaceBlock)) { return this.cachedPlaceBlockResult; } else { this.cachedPlaceBlock = shapedetectorblock; if (this.hasTag() && this.tag.hasKeyOfType("CanPlaceOn", 9)) { NBTTagList nbttaglist = this.tag.getList("CanPlaceOn", 8); for (int i = 0; i < nbttaglist.size(); ++i) { String s = nbttaglist.getString(i); try { Predicate predicate = ArgumentBlockPredicate.a().parse(new StringReader(s)).create(itagregistry); if (predicate.test(shapedetectorblock)) { this.cachedPlaceBlockResult = true; return true; } } catch (CommandSyntaxException commandsyntaxexception) { ; } } } this.cachedPlaceBlockResult = false; return false; } } public int H() { return this.popTime; } public void d(int i) { this.popTime = i; } public int getCount() { return this.emptyCacheFlag ? 0 : this.count; } public void setCount(int i) { this.count = i; this.checkEmpty(); } public void add(int i) { this.setCount(this.count + i); } public void subtract(int i) { this.add(-i); } public void b(World world, EntityLiving entityliving, int i) { this.getItem().a(world, entityliving, this, i); } public void a(EntityItem entityitem) { this.getItem().a(entityitem); } public boolean J() { return this.getItem().isFood(); } public SoundEffect K() { return this.getItem().O_(); } public SoundEffect L() { return this.getItem().h(); } @Nullable public SoundEffect M() { return this.getItem().g(); } public static enum HideFlags { ENCHANTMENTS, MODIFIERS, UNBREAKABLE, CAN_DESTROY, CAN_PLACE, ADDITIONAL, DYE; private final int mask = 1 << this.ordinal(); private HideFlags() {} public int a() { return this.mask; } } }