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974b0afca9
Paper/Spigot-Server-Patches/0073-Handle-Item-Meta-Inconsistencies.patch
Zach Brown 974b0afca9
Remove last bit of chunk exists region file fix 
CraftBukkit removed their implementation that caused this issue,
switching to Mojang's implementation which doesn't appear to share it. I
already removed the important bit in the last upstream merge, this is
just unused and unnecessary now. So we remove it.
2017-04-29 05:27:31 -05:00

294 Zeilen
12 KiB
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Originalformat Blame Verlauf

From 96ff410272199eb91bc1607e2b57ceaa9470b610 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 28 May 2015 23:00:19 -0400
Subject: [PATCH] Handle Item Meta Inconsistencies
First, Enchantment order would blow away seeing 2 items as the same,
however the Client forces enchantment list in a certain order, as well
as does the /enchant command. Anvils can insert it into forced order,
causing 2 same items to be considered different.
This change makes unhandled NBT Tags and Enchantments use a sorted tree map,
so they will always be in a consistent order.
Additionally, the old enchantment API was never updated when ItemMeta
was added, resulting in 2 different ways to modify an items enchantments.
For consistency, the old API methods now forward to use the
ItemMeta API equivalents, and should deprecate the old API's.
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index a54bc7c42..81ec8f69e 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -4,6 +4,7 @@ import static org.bukkit.craftbukkit.inventory.CraftMetaItem.ENCHANTMENTS;
import static org.bukkit.craftbukkit.inventory.CraftMetaItem.ENCHANTMENTS_ID;
import static org.bukkit.craftbukkit.inventory.CraftMetaItem.ENCHANTMENTS_LVL;
+import java.util.Iterator;
import java.util.Map;
import net.minecraft.server.EnchantmentManager;
@@ -183,28 +184,11 @@ public final class CraftItemStack extends ItemStack {
public void addUnsafeEnchantment(Enchantment ench, int level) {
Validate.notNull(ench, "Cannot add null enchantment");
- if (!makeTag(handle)) {
- return;
- }
- NBTTagList list = getEnchantmentList(handle);
- if (list == null) {
- list = new NBTTagList();
- handle.getTag().set(ENCHANTMENTS.NBT, list);
- }
- int size = list.size();
-
- for (int i = 0; i < size; i++) {
- NBTTagCompound tag = (NBTTagCompound) list.get(i);
- short id = tag.getShort(ENCHANTMENTS_ID.NBT);
- if (id == ench.getId()) {
- tag.setShort(ENCHANTMENTS_LVL.NBT, (short) level);
- return;
- }
- }
- NBTTagCompound tag = new NBTTagCompound();
- tag.setShort(ENCHANTMENTS_ID.NBT, (short) ench.getId());
- tag.setShort(ENCHANTMENTS_LVL.NBT, (short) level);
- list.add(tag);
+ // Paper start - Replace whole method
+ final ItemMeta itemMeta = getItemMeta();
+ itemMeta.addEnchant(ench, level, true);
+ setItemMeta(itemMeta);
+ // Paper end
}
static boolean makeTag(net.minecraft.server.ItemStack item) {
@@ -221,66 +205,34 @@ public final class CraftItemStack extends ItemStack {
@Override
public boolean containsEnchantment(Enchantment ench) {
- return getEnchantmentLevel(ench) > 0;
+ return hasItemMeta() && getItemMeta().hasEnchant(ench); // Paper - use meta
}
@Override
public int getEnchantmentLevel(Enchantment ench) {
- Validate.notNull(ench, "Cannot find null enchantment");
- if (handle == null) {
- return 0;
- }
- return EnchantmentManager.getEnchantmentLevel(CraftEnchantment.getRaw(ench), handle);
+ return hasItemMeta() ? getItemMeta().getEnchantLevel(ench) : 0; // Pape - replace entire method with meta
}
@Override
public int removeEnchantment(Enchantment ench) {
Validate.notNull(ench, "Cannot remove null enchantment");
-
- NBTTagList list = getEnchantmentList(handle), listCopy;
- if (list == null) {
- return 0;
- }
- int index = Integer.MIN_VALUE;
- int level = Integer.MIN_VALUE;
- int size = list.size();
-
- for (int i = 0; i < size; i++) {
- NBTTagCompound enchantment = (NBTTagCompound) list.get(i);
- int id = 0xffff & enchantment.getShort(ENCHANTMENTS_ID.NBT);
- if (id == ench.getId()) {
- index = i;
- level = 0xffff & enchantment.getShort(ENCHANTMENTS_LVL.NBT);
- break;
- }
- }
-
- if (index == Integer.MIN_VALUE) {
- return 0;
- }
- if (size == 1) {
- handle.getTag().remove(ENCHANTMENTS.NBT);
- if (handle.getTag().isEmpty()) {
- handle.setTag(null);
+ // Paper start - replace entire method, maintain backwards compat of returning previous level.
+ final ItemMeta itemMeta = getItemMeta();
+ final Iterator<Enchantment> iterator = itemMeta.getEnchants().keySet().iterator();
+ for (int i = 0; iterator.hasNext(); i++) {
+ if (iterator.next().equals(ench)) {
+ itemMeta.removeEnchant(ench);
+ setItemMeta(itemMeta);
+ return i;
}
- return level;
}
-
- // This is workaround for not having an index removal
- listCopy = new NBTTagList();
- for (int i = 0; i < size; i++) {
- if (i != index) {
- listCopy.add(list.get(i));
- }
- }
- handle.getTag().set(ENCHANTMENTS.NBT, listCopy);
-
- return level;
+ // Paper end
+ return 0;
}
@Override
public Map<Enchantment, Integer> getEnchantments() {
- return getEnchantments(handle);
+ return hasItemMeta() ? getItemMeta().getEnchants() : ImmutableMap.<Enchantment, Integer>of(); // Paper - use Item Meta
}
static Map<Enchantment, Integer> getEnchantments(net.minecraft.server.ItemStack item) {
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
index 9d0c05cd0..ab50ee92e 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -6,13 +6,8 @@ import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.NoSuchElementException;
+import com.google.common.collect.ImmutableSortedMap;
import net.minecraft.server.NBTBase;
import net.minecraft.server.NBTTagCompound;
import net.minecraft.server.NBTTagList;
@@ -38,10 +33,18 @@ import com.google.common.collect.Sets;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
+import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collection;
+import java.util.Comparator;
import java.util.EnumSet;
+import java.util.HashMap;
import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.NoSuchElementException;
import java.util.Set;
+import java.util.TreeMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import net.minecraft.server.NBTCompressedStreamTools;
@@ -225,7 +228,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
private String displayName;
private String locName;
private List<String> lore;
- private Map<Enchantment, Integer> enchantments;
+ private EnchantmentMap enchantments; // Paper
private int repairCost;
private int hideFlag;
private boolean unbreakable;
@@ -233,7 +236,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
private static final Set<String> HANDLED_TAGS = Sets.newHashSet();
private NBTTagCompound internalTag;
- private final Map<String, NBTBase> unhandledTags = new HashMap<String, NBTBase>();
+ private final Map<String, NBTBase> unhandledTags = new TreeMap<>(); // Paper
CraftMetaItem(CraftMetaItem meta) {
if (meta == null) {
@@ -248,7 +251,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
}
if (meta.enchantments != null) { // Spigot
- this.enchantments = new HashMap<Enchantment, Integer>(meta.enchantments);
+ this.enchantments = new EnchantmentMap(meta.enchantments); // Paper
}
this.repairCost = meta.repairCost;
@@ -469,13 +472,13 @@ class CraftMetaItem implements ItemMeta, Repairable {
}
}
- static Map<Enchantment, Integer> buildEnchantments(NBTTagCompound tag, ItemMetaKey key) {
+ static EnchantmentMap buildEnchantments(NBTTagCompound tag, ItemMetaKey key) { // Paper
if (!tag.hasKey(key.NBT)) {
return null;
}
NBTTagList ench = tag.getList(key.NBT, CraftMagicNumbers.NBT.TAG_COMPOUND);
- Map<Enchantment, Integer> enchantments = new HashMap<Enchantment, Integer>(ench.size());
+ EnchantmentMap enchantments = new EnchantmentMap(); // Paper
for (int i = 0; i < ench.size(); i++) {
int id = 0xffff & ((NBTTagCompound) ench.get(i)).getShort(ENCHANTMENTS_ID.NBT);
@@ -545,13 +548,13 @@ class CraftMetaItem implements ItemMeta, Repairable {
void deserializeInternal(NBTTagCompound tag) {
}
- static Map<Enchantment, Integer> buildEnchantments(Map<String, Object> map, ItemMetaKey key) {
+ static EnchantmentMap buildEnchantments(Map<String, Object> map, ItemMetaKey key) { // Paper
Map<?, ?> ench = SerializableMeta.getObject(Map.class, map, key.BUKKIT, true);
if (ench == null) {
return null;
}
- Map<Enchantment, Integer> enchantments = new HashMap<Enchantment, Integer>(ench.size());
+ EnchantmentMap enchantments = new EnchantmentMap(); // Paper
for (Map.Entry<?, ?> entry : ench.entrySet()) {
Enchantment enchantment = Enchantment.getByName(entry.getKey().toString());
@@ -695,12 +698,12 @@ class CraftMetaItem implements ItemMeta, Repairable {
}
public Map<Enchantment, Integer> getEnchants() {
- return hasEnchants() ? ImmutableMap.copyOf(enchantments) : ImmutableMap.<Enchantment, Integer>of();
+ return hasEnchants() ? ImmutableSortedMap.copyOfSorted(enchantments) : ImmutableMap.<Enchantment, Integer>of(); // Paper
}
public boolean addEnchant(Enchantment ench, int level, boolean ignoreRestrictions) {
if (enchantments == null) {
- enchantments = new HashMap<Enchantment, Integer>(4);
+ enchantments = new EnchantmentMap(); // Paper
}
if (ignoreRestrictions || level >= ench.getStartLevel() && level <= ench.getMaxLevel()) {
@@ -870,7 +873,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
clone.lore = new ArrayList<String>(this.lore);
}
if (this.enchantments != null) {
- clone.enchantments = new HashMap<Enchantment, Integer>(this.enchantments);
+ clone.enchantments = new EnchantmentMap(this.enchantments); // Paper
}
clone.hideFlag = this.hideFlag;
clone.unbreakable = this.unbreakable;
@@ -1027,6 +1030,23 @@ class CraftMetaItem implements ItemMeta, Repairable {
}
}
+ // Paper start
+ private static class EnchantmentMap extends TreeMap<Enchantment, Integer> {
+ private EnchantmentMap(Map<Enchantment, Integer> enchantments) {
+ this();
+ putAll(enchantments);
+ }
+
+ private EnchantmentMap() {
+ super((o1, o2) -> ((Integer) o1.getId()).compareTo(o2.getId()));
+ }
+
+ public EnchantmentMap clone() {
+ return (EnchantmentMap) super.clone();
+ }
+ }
+ // Paper end
+
// Spigot start
private final Spigot spigot = new Spigot()
{
--
2.12.2.windows.2
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