package net.minecraft.server; import com.google.common.collect.HashMultimap; import com.google.common.collect.Multimap; import java.text.DecimalFormat; import java.util.Random; public final class ItemStack { public static final DecimalFormat a = new DecimalFormat("#.###"); public int count; public int c; public int id; public NBTTagCompound tag; private int damage; private EntityItemFrame g; public ItemStack(Block block) { this(block, 1); } public ItemStack(Block block, int i) { this(block.id, i, 0); } public ItemStack(Block block, int i, int j) { this(block.id, i, j); } public ItemStack(Item item) { this(item.id, 1, 0); } public ItemStack(Item item, int i) { this(item.id, i, 0); } public ItemStack(Item item, int i, int j) { this(item.id, i, j); } public ItemStack(int i, int j, int k) { this.id = i; this.count = j; // CraftBukkit start - Pass to setData to do filtering this.setData(k); //this.damage = k; //if (this.damage < 0) { // this.damage = 0; //} // CraftBukkit end } public static ItemStack createStack(NBTTagCompound nbttagcompound) { ItemStack itemstack = new ItemStack(); itemstack.c(nbttagcompound); return itemstack.getItem() != null ? itemstack : null; } private ItemStack() {} public ItemStack a(int i) { ItemStack itemstack = new ItemStack(this.id, i, this.damage); if (this.tag != null) { itemstack.tag = (NBTTagCompound) this.tag.clone(); } this.count -= i; return itemstack; } public Item getItem() { return Item.byId[this.id]; } public boolean placeItem(EntityHuman entityhuman, World world, int i, int j, int k, int l, float f, float f1, float f2) { boolean flag = this.getItem().interactWith(this, entityhuman, world, i, j, k, l, f, f1, f2); if (flag) { entityhuman.a(StatisticList.E[this.id], 1); } return flag; } public float a(Block block) { return this.getItem().getDestroySpeed(this, block); } public ItemStack a(World world, EntityHuman entityhuman) { return this.getItem().a(this, world, entityhuman); } public ItemStack b(World world, EntityHuman entityhuman) { return this.getItem().b(this, world, entityhuman); } public NBTTagCompound save(NBTTagCompound nbttagcompound) { nbttagcompound.setShort("id", (short) this.id); nbttagcompound.setByte("Count", (byte) this.count); nbttagcompound.setShort("Damage", (short) this.damage); if (this.tag != null) { nbttagcompound.set("tag", this.tag.clone()); // CraftBukkit - make defensive copy, data is going to another thread } return nbttagcompound; } public void c(NBTTagCompound nbttagcompound) { this.id = nbttagcompound.getShort("id"); this.count = nbttagcompound.getByte("Count"); this.damage = nbttagcompound.getShort("Damage"); if (this.damage < 0) { this.damage = 0; } if (nbttagcompound.hasKey("tag")) { // CraftBukkit - clear name from compound and make defensive copy as this data may be coming from the save thread this.tag = (NBTTagCompound) nbttagcompound.getCompound("tag").clone().setName(""); } } public int getMaxStackSize() { return this.getItem().getMaxStackSize(); } public boolean isStackable() { return this.getMaxStackSize() > 1 && (!this.g() || !this.i()); } public boolean g() { return Item.byId[this.id].getMaxDurability() > 0; } public boolean usesData() { return Item.byId[this.id].n(); } public boolean i() { return this.g() && this.damage > 0; } public int j() { return this.damage; } public int getData() { return this.damage; } public void setData(int i) { // CraftBukkit start - Filter out data for items that shouldn't have it // The crafting system uses this value for a special purpose so we have to allow it if (i == 32767) { this.damage = i; return; } if (!(this.usesData() || Item.byId[this.id].usesDurability() || this.id > 255)) { i = 0; } // Filter wool to avoid confusing the client if (this.id == Block.WOOL.id) { i = Math.min(15, i); } // CraftBukkit end this.damage = i; if (this.damage < -1) { // CraftBukkit - don't filter -1, we use it this.damage = 0; } } public int l() { return Item.byId[this.id].getMaxDurability(); } public boolean isDamaged(int i, Random random) { if (!this.g()) { return false; } else { if (i > 0) { int j = EnchantmentManager.getEnchantmentLevel(Enchantment.DURABILITY.id, this); int k = 0; for (int l = 0; j > 0 && l < i; ++l) { if (EnchantmentDurability.a(this, j, random)) { ++k; } } i -= k; if (i <= 0) { return false; } } this.damage += i; return this.damage > this.l(); } } public void damage(int i, EntityLiving entityliving) { if (!(entityliving instanceof EntityHuman) || !((EntityHuman) entityliving).abilities.canInstantlyBuild) { if (this.g()) { if (this.isDamaged(i, entityliving.aC())) { entityliving.a(this); --this.count; if (entityliving instanceof EntityHuman) { EntityHuman entityhuman = (EntityHuman) entityliving; entityhuman.a(StatisticList.F[this.id], 1); if (this.count == 0 && this.getItem() instanceof ItemBow) { entityhuman.by(); } } if (this.count < 0) { this.count = 0; } // CraftBukkit start - Check for item breaking if (this.count == 0 && entityliving instanceof EntityHuman) { org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemBreakEvent((EntityHuman) entityliving, this); } // CraftBukkit end this.damage = 0; } } } } public void a(EntityLiving entityliving, EntityHuman entityhuman) { boolean flag = Item.byId[this.id].a(this, entityliving, (EntityLiving) entityhuman); if (flag) { entityhuman.a(StatisticList.E[this.id], 1); } } public void a(World world, int i, int j, int k, int l, EntityHuman entityhuman) { boolean flag = Item.byId[this.id].a(this, world, i, j, k, l, entityhuman); if (flag) { entityhuman.a(StatisticList.E[this.id], 1); } } public boolean b(Block block) { return Item.byId[this.id].canDestroySpecialBlock(block); } public boolean a(EntityHuman entityhuman, EntityLiving entityliving) { return Item.byId[this.id].a(this, entityhuman, entityliving); } public ItemStack cloneItemStack() { ItemStack itemstack = new ItemStack(this.id, this.count, this.damage); if (this.tag != null) { itemstack.tag = (NBTTagCompound) this.tag.clone(); } return itemstack; } public static boolean equals(ItemStack itemstack, ItemStack itemstack1) { return itemstack == null && itemstack1 == null ? true : (itemstack != null && itemstack1 != null ? (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 == null && itemstack1 == null ? true : (itemstack != null && itemstack1 != null ? itemstack.d(itemstack1) : false); } private boolean d(ItemStack itemstack) { return this.count != itemstack.count ? false : (this.id != itemstack.id ? false : (this.damage != itemstack.damage ? false : (this.tag == null && itemstack.tag != null ? false : this.tag == null || this.tag.equals(itemstack.tag)))); } public boolean doMaterialsMatch(ItemStack itemstack) { return this.id == itemstack.id && this.damage == itemstack.damage; } public String a() { return Item.byId[this.id].d(this); } public static ItemStack b(ItemStack itemstack) { return itemstack == null ? null : itemstack.cloneItemStack(); } public String toString() { return this.count + "x" + Item.byId[this.id].getName() + "@" + this.damage; } public void a(World world, Entity entity, int i, boolean flag) { if (this.c > 0) { --this.c; } Item.byId[this.id].a(this, world, entity, i, flag); } public void a(World world, EntityHuman entityhuman, int i) { entityhuman.a(StatisticList.D[this.id], i); Item.byId[this.id].d(this, world, entityhuman); } public int n() { return this.getItem().d_(this); } public EnumAnimation o() { return this.getItem().c_(this); } public void b(World world, EntityHuman entityhuman, int i) { this.getItem().a(this, world, entityhuman, i); } public boolean hasTag() { return this.tag != null; } public NBTTagCompound getTag() { return this.tag; } public NBTTagList getEnchantments() { return this.tag == null ? null : (NBTTagList) this.tag.get("ench"); } public void setTag(NBTTagCompound nbttagcompound) { this.tag = nbttagcompound; } public String getName() { String s = this.getItem().l(this); if (this.tag != null && this.tag.hasKey("display")) { NBTTagCompound nbttagcompound = this.tag.getCompound("display"); if (nbttagcompound.hasKey("Name")) { s = nbttagcompound.getString("Name"); } } return s; } public void c(String s) { if (this.tag == null) { this.tag = new NBTTagCompound("tag"); } if (!this.tag.hasKey("display")) { this.tag.setCompound("display", new NBTTagCompound()); } this.tag.getCompound("display").setString("Name", s); } public void t() { if (this.tag != null) { if (this.tag.hasKey("display")) { NBTTagCompound nbttagcompound = this.tag.getCompound("display"); nbttagcompound.remove("Name"); if (nbttagcompound.isEmpty()) { this.tag.remove("display"); if (this.tag.isEmpty()) { this.setTag((NBTTagCompound) null); } } } } } public boolean hasName() { return this.tag == null ? false : (!this.tag.hasKey("display") ? false : this.tag.getCompound("display").hasKey("Name")); } public boolean x() { return !this.getItem().e_(this) ? false : !this.hasEnchantments(); } public void addEnchantment(Enchantment enchantment, int i) { if (this.tag == null) { this.setTag(new NBTTagCompound()); } if (!this.tag.hasKey("ench")) { this.tag.set("ench", new NBTTagList("ench")); } NBTTagList nbttaglist = (NBTTagList) this.tag.get("ench"); NBTTagCompound nbttagcompound = new NBTTagCompound(); nbttagcompound.setShort("id", (short) enchantment.id); nbttagcompound.setShort("lvl", (short) ((byte) i)); nbttaglist.add(nbttagcompound); } public boolean hasEnchantments() { return this.tag != null && this.tag.hasKey("ench"); } public void a(String s, NBTBase nbtbase) { if (this.tag == null) { this.setTag(new NBTTagCompound()); } this.tag.set(s, nbtbase); } public boolean z() { return this.getItem().z(); } public boolean A() { return this.g != null; } public void a(EntityItemFrame entityitemframe) { this.g = entityitemframe; } public EntityItemFrame B() { return this.g; } public int getRepairCost() { return this.hasTag() && this.tag.hasKey("RepairCost") ? this.tag.getInt("RepairCost") : 0; } public void setRepairCost(int i) { if (!this.hasTag()) { this.tag = new NBTTagCompound("tag"); } this.tag.setInt("RepairCost", i); } public Multimap D() { Object object; if (this.hasTag() && this.tag.hasKey("AttributeModifiers")) { object = HashMultimap.create(); NBTTagList nbttaglist = this.tag.getList("AttributeModifiers"); for (int i = 0; i < nbttaglist.size(); ++i) { NBTTagCompound nbttagcompound = (NBTTagCompound) nbttaglist.get(i); AttributeModifier attributemodifier = GenericAttributes.a(nbttagcompound); if (attributemodifier.a().getLeastSignificantBits() != 0L && attributemodifier.a().getMostSignificantBits() != 0L) { ((Multimap) object).put(nbttagcompound.getString("AttributeName"), attributemodifier); } } } else { object = this.getItem().h(); } return (Multimap) object; } }