297 lines
12 KiB
Diff
297 lines
12 KiB
Diff
From 8087698a536aa02f6c2fd3590e4eb9bd41c2a508 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 28 May 2015 23:00:19 -0400
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Subject: [PATCH] Handle Item Meta Inconsistencies
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First, Enchantment order would blow away seeing 2 items as the same,
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however the Client forces enchantment list in a certain order, as well
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as does the /enchant command. Anvils can insert it into forced order,
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causing 2 same items to be considered different.
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This change makes unhandled NBT Tags and Enchantments use a sorted tree map,
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so they will always be in a consistent order.
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Additionally, the old enchantment API was never updated when ItemMeta
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was added, resulting in 2 different ways to modify an items enchantments.
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For consistency, the old API methods now forward to use the
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ItemMeta API equivalents, and should deprecate the old API's.
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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index 8b6fd4f..b397ccc 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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@@ -4,6 +4,7 @@ import static org.bukkit.craftbukkit.inventory.CraftMetaItem.ENCHANTMENTS;
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import static org.bukkit.craftbukkit.inventory.CraftMetaItem.ENCHANTMENTS_ID;
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import static org.bukkit.craftbukkit.inventory.CraftMetaItem.ENCHANTMENTS_LVL;
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+import java.util.Iterator;
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import java.util.Map;
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import net.minecraft.server.EnchantmentManager;
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@@ -184,28 +185,11 @@ public final class CraftItemStack extends ItemStack {
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public void addUnsafeEnchantment(Enchantment ench, int level) {
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Validate.notNull(ench, "Cannot add null enchantment");
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- if (!makeTag(handle)) {
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- return;
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- }
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- NBTTagList list = getEnchantmentList(handle);
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- if (list == null) {
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- list = new NBTTagList();
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- handle.getTag().set(ENCHANTMENTS.NBT, list);
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- }
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- int size = list.size();
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-
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- for (int i = 0; i < size; i++) {
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- NBTTagCompound tag = (NBTTagCompound) list.get(i);
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- short id = tag.getShort(ENCHANTMENTS_ID.NBT);
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- if (id == ench.getId()) {
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- tag.setShort(ENCHANTMENTS_LVL.NBT, (short) level);
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- return;
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- }
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- }
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- NBTTagCompound tag = new NBTTagCompound();
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- tag.setShort(ENCHANTMENTS_ID.NBT, (short) ench.getId());
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- tag.setShort(ENCHANTMENTS_LVL.NBT, (short) level);
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- list.add(tag);
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+ // Paper start - Replace whole method
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+ final ItemMeta itemMeta = getItemMeta();
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+ itemMeta.addEnchant(ench, level, true);
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+ setItemMeta(itemMeta);
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+ // Paper end
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}
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static boolean makeTag(net.minecraft.server.ItemStack item) {
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@@ -222,66 +206,34 @@ public final class CraftItemStack extends ItemStack {
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@Override
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public boolean containsEnchantment(Enchantment ench) {
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- return getEnchantmentLevel(ench) > 0;
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+ return hasItemMeta() && getItemMeta().hasEnchant(ench); // Paper - use meta
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}
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@Override
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public int getEnchantmentLevel(Enchantment ench) {
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- Validate.notNull(ench, "Cannot find null enchantment");
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- if (handle == null) {
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- return 0;
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- }
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- return EnchantmentManager.getEnchantmentLevel(CraftEnchantment.getRaw(ench), handle);
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+ return hasItemMeta() ? getItemMeta().getEnchantLevel(ench) : 0; // Pape - replace entire method with meta
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}
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@Override
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public int removeEnchantment(Enchantment ench) {
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Validate.notNull(ench, "Cannot remove null enchantment");
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-
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- NBTTagList list = getEnchantmentList(handle), listCopy;
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- if (list == null) {
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- return 0;
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- }
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- int index = Integer.MIN_VALUE;
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- int level = Integer.MIN_VALUE;
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- int size = list.size();
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-
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- for (int i = 0; i < size; i++) {
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- NBTTagCompound enchantment = (NBTTagCompound) list.get(i);
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- int id = 0xffff & enchantment.getShort(ENCHANTMENTS_ID.NBT);
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- if (id == ench.getId()) {
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- index = i;
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- level = 0xffff & enchantment.getShort(ENCHANTMENTS_LVL.NBT);
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- break;
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- }
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- }
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-
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- if (index == Integer.MIN_VALUE) {
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- return 0;
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- }
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- if (size == 1) {
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- handle.getTag().remove(ENCHANTMENTS.NBT);
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- if (handle.getTag().isEmpty()) {
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- handle.setTag(null);
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+ // Paper start - replace entire method, maintain backwards compat of returning previous level.
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+ final ItemMeta itemMeta = getItemMeta();
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+ final Iterator<Enchantment> iterator = itemMeta.getEnchants().keySet().iterator();
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+ for (int i = 0; iterator.hasNext(); i++) {
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+ if (iterator.next().equals(ench)) {
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+ itemMeta.removeEnchant(ench);
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+ setItemMeta(itemMeta);
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+ return i;
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}
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- return level;
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}
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-
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- // This is workaround for not having an index removal
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- listCopy = new NBTTagList();
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- for (int i = 0; i < size; i++) {
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- if (i != index) {
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- listCopy.add(list.get(i));
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- }
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- }
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- handle.getTag().set(ENCHANTMENTS.NBT, listCopy);
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-
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- return level;
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+ // Paper end
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+ return 0;
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}
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@Override
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public Map<Enchantment, Integer> getEnchantments() {
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- return getEnchantments(handle);
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+ return hasItemMeta() ? getItemMeta().getEnchants() : ImmutableMap.<Enchantment, Integer>of(); // Paper - use Item Meta
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}
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static Map<Enchantment, Integer> getEnchantments(net.minecraft.server.ItemStack item) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
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index 22cc267..94f2ba0 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
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@@ -6,13 +6,8 @@ import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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-import java.util.ArrayList;
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-import java.util.Collection;
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-import java.util.HashMap;
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-import java.util.List;
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-import java.util.Map;
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-import java.util.NoSuchElementException;
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+import com.google.common.collect.ImmutableSortedMap;
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import net.minecraft.server.NBTBase;
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import net.minecraft.server.NBTTagCompound;
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import net.minecraft.server.NBTTagList;
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@@ -37,11 +32,18 @@ import com.google.common.collect.Sets;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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+import java.util.ArrayList;
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import java.util.Arrays;
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+import java.util.Collection;
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+import java.util.Comparator;
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import java.util.EnumSet;
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+import java.util.HashMap;
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import java.util.HashSet;
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-import java.util.Iterator;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.NoSuchElementException;
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import java.util.Set;
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+import java.util.TreeMap;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import net.minecraft.server.NBTCompressedStreamTools;
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@@ -222,13 +224,13 @@ class CraftMetaItem implements ItemMeta, Repairable {
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private String displayName;
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private List<String> lore;
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- private Map<Enchantment, Integer> enchantments;
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+ private EnchantmentMap enchantments; // Paper
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private int repairCost;
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private int hideFlag;
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private static final Set<String> HANDLED_TAGS = Sets.newHashSet();
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- private final Map<String, NBTBase> unhandledTags = new HashMap<String, NBTBase>();
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+ private final Map<String, NBTBase> unhandledTags = new TreeMap<>(); // Paper
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CraftMetaItem(CraftMetaItem meta) {
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if (meta == null) {
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@@ -242,7 +244,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
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}
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if (meta.enchantments != null) { // Spigot
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- this.enchantments = new HashMap<Enchantment, Integer>(meta.enchantments);
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+ this.enchantments = new EnchantmentMap(meta.enchantments); // Paper
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}
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this.repairCost = meta.repairCost;
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@@ -457,13 +459,13 @@ class CraftMetaItem implements ItemMeta, Repairable {
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// Spigot end
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}
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- static Map<Enchantment, Integer> buildEnchantments(NBTTagCompound tag, ItemMetaKey key) {
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+ static EnchantmentMap buildEnchantments(NBTTagCompound tag, ItemMetaKey key) { // Paper
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if (!tag.hasKey(key.NBT)) {
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return null;
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}
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NBTTagList ench = tag.getList(key.NBT, 10);
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- Map<Enchantment, Integer> enchantments = new HashMap<Enchantment, Integer>(ench.size());
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+ EnchantmentMap enchantments = new EnchantmentMap(); // Paper
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for (int i = 0; i < ench.size(); i++) {
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int id = 0xffff & ((NBTTagCompound) ench.get(i)).getShort(ENCHANTMENTS_ID.NBT);
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@@ -536,13 +538,13 @@ class CraftMetaItem implements ItemMeta, Repairable {
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void deserializeInternal(NBTTagCompound tag) {
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}
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- static Map<Enchantment, Integer> buildEnchantments(Map<String, Object> map, ItemMetaKey key) {
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+ static EnchantmentMap buildEnchantments(Map<String, Object> map, ItemMetaKey key) { // Paper
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Map<?, ?> ench = SerializableMeta.getObject(Map.class, map, key.BUKKIT, true);
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if (ench == null) {
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return null;
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}
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- Map<Enchantment, Integer> enchantments = new HashMap<Enchantment, Integer>(ench.size());
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+ EnchantmentMap enchantments = new EnchantmentMap(); // Paper
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for (Map.Entry<?, ?> entry : ench.entrySet()) {
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Enchantment enchantment = Enchantment.getByName(entry.getKey().toString());
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@@ -672,12 +674,12 @@ class CraftMetaItem implements ItemMeta, Repairable {
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}
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public Map<Enchantment, Integer> getEnchants() {
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- return hasEnchants() ? ImmutableMap.copyOf(enchantments) : ImmutableMap.<Enchantment, Integer>of();
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+ return hasEnchants() ? ImmutableSortedMap.copyOfSorted(enchantments) : ImmutableMap.<Enchantment, Integer>of(); // Paper
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}
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public boolean addEnchant(Enchantment ench, int level, boolean ignoreRestrictions) {
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if (enchantments == null) {
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- enchantments = new HashMap<Enchantment, Integer>(4);
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+ enchantments = new EnchantmentMap(); // Paper
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}
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if (ignoreRestrictions || level >= ench.getStartLevel() && level <= ench.getMaxLevel()) {
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@@ -835,7 +837,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
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clone.lore = new ArrayList<String>(this.lore);
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}
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if (this.enchantments != null) {
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- clone.enchantments = new HashMap<Enchantment, Integer>(this.enchantments);
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+ clone.enchantments = new EnchantmentMap(this.enchantments); // Paper
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}
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clone.hideFlag = this.hideFlag;
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return clone;
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@@ -991,6 +993,28 @@ class CraftMetaItem implements ItemMeta, Repairable {
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}
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}
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+ // Paper start
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+ private static class EnchantmentMap extends TreeMap<Enchantment, Integer> {
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+ private EnchantmentMap(Map<Enchantment, Integer> enchantments) {
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+ this();
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+ putAll(enchantments);
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+ }
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+
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+ private EnchantmentMap() {
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+ super(new Comparator<Enchantment>() {
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+ @Override
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+ public int compare(Enchantment o1, Enchantment o2) {
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+ return ((Integer) o1.getId()).compareTo(o2.getId());
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+ }
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+ });
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+ }
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+
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+ public EnchantmentMap clone() {
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+ return (EnchantmentMap) super.clone();
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+ }
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+ }
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+ // Paper end
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+
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// Spigot start
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private final Spigot spigot = new Spigot()
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{
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--
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2.7.4
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