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Paper/patches/server/0065-Handle-Item-Meta-Inconsistencies.patch
Jake 00be0b7b30 Updated Upstream (Bukkit/CraftBukkit/Spigot) 
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
d25437bc Update to Minecraft 1.18-pre8

CraftBukkit Changes:
5a39a236 Update to Minecraft 1.18-pre8

Spigot Changes:
7840c2af Update to Minecraft 1.18-pre8
2021-11-30 19:26:33 +01:00

337 Zeilen
14 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 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/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index 566f1b8a0acd679b2f776db2e80458b1c532f97e..c39d3f15ebc8956714f963ce7ed11e0f2b2bad4f 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -13,6 +13,8 @@ import java.text.DecimalFormatSymbols;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
+import java.util.Collections;
+import java.util.Comparator;
import java.util.Locale;
import java.util.Map.Entry;
import java.util.Optional;
@@ -152,6 +154,23 @@ public final class ItemStack {
return this.getItem().getTooltipImage(this);
}
+ // Paper start
+ private static final java.util.Comparator<? super CompoundTag> enchantSorter = java.util.Comparator.comparing(o -> o.getString("id"));
+ private void processEnchantOrder(CompoundTag tag) {
+ if (tag == null || !tag.contains("Enchantments", 9)) {
+ return;
+ }
+ ListTag list = tag.getList("Enchantments", 10);
+ if (list.size() < 2) {
+ return;
+ }
+ try {
+ //noinspection unchecked
+ list.sort((Comparator<? super net.minecraft.nbt.Tag>) enchantSorter); // Paper
+ } catch (Exception ignored) {}
+ }
+ // Paper end
+
public ItemStack(ItemLike item) {
this(item, 1);
}
@@ -195,9 +214,11 @@ public final class ItemStack {
// CraftBukkit start - make defensive copy as this data may be coming from the save thread
this.tag = nbttagcompound.getCompound("tag").copy();
// CraftBukkit end
+ this.processEnchantOrder(this.tag); // Paper
this.getItem().verifyTagAfterLoad(this.tag);
}
+ processEnchantOrder(this.tag); // Paper
if (this.getItem().canBeDepleted()) {
this.setDamageValue(this.getDamageValue());
}
@@ -1056,6 +1077,7 @@ public final class ItemStack {
ListTag nbttaglist = this.tag.getList("Enchantments", 10);
nbttaglist.add(EnchantmentHelper.storeEnchantment(EnchantmentHelper.getEnchantmentId(enchantment), (byte) level));
+ processEnchantOrder(this.tag); // Paper
}
public boolean isEnchanted() {
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index e88df908377450964ae5b6ff97ee97bd2f09c05f..ba70ac49222c517a38e20e86cee1fd38aecb6318 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -6,7 +6,6 @@ import java.util.Map;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.ListTag;
import net.minecraft.world.item.Item;
-import net.minecraft.world.item.enchantment.EnchantmentHelper;
import org.apache.commons.lang.Validate;
import org.bukkit.Material;
import org.bukkit.NamespacedKey;
@@ -178,28 +177,11 @@ public final class CraftItemStack extends ItemStack {
public void addUnsafeEnchantment(Enchantment ench, int level) {
Validate.notNull(ench, "Cannot add null enchantment");
- if (!CraftItemStack.makeTag(this.handle)) {
- return;
- }
- ListTag list = CraftItemStack.getEnchantmentList(this.handle);
- if (list == null) {
- list = new ListTag();
- this.handle.getTag().put(ENCHANTMENTS.NBT, list);
- }
- int size = list.size();
-
- for (int i = 0; i < size; i++) {
- CompoundTag tag = (CompoundTag) list.get(i);
- String id = tag.getString(ENCHANTMENTS_ID.NBT);
- if (ench.getKey().equals(NamespacedKey.fromString(id))) {
- tag.putShort(ENCHANTMENTS_LVL.NBT, (short) level);
- return;
- }
- }
- CompoundTag tag = new CompoundTag();
- tag.putString(ENCHANTMENTS_ID.NBT, ench.getKey().toString());
- tag.putShort(ENCHANTMENTS_LVL.NBT, (short) level);
- list.add(tag);
+ // Paper start - Replace whole method
+ final ItemMeta itemMeta = this.getItemMeta();
+ itemMeta.addEnchant(ench, level, true);
+ this.setItemMeta(itemMeta);
+ // Paper end
}
static boolean makeTag(net.minecraft.world.item.ItemStack item) {
@@ -216,66 +198,34 @@ public final class CraftItemStack extends ItemStack {
@Override
public boolean containsEnchantment(Enchantment ench) {
- return this.getEnchantmentLevel(ench) > 0;
+ return this.hasItemMeta() && this.getItemMeta().hasEnchant(ench); // Paper - use meta
}
@Override
public int getEnchantmentLevel(Enchantment ench) {
- Validate.notNull(ench, "Cannot find null enchantment");
- if (this.handle == null) {
- return 0;
- }
- return EnchantmentHelper.getItemEnchantmentLevel(CraftEnchantment.getRaw(ench), handle);
+ return this.hasItemMeta() ? this.getItemMeta().getEnchantLevel(ench) : 0; // Paper - replace entire method with meta
}
@Override
public int removeEnchantment(Enchantment ench) {
Validate.notNull(ench, "Cannot remove null enchantment");
- ListTag list = CraftItemStack.getEnchantmentList(this.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++) {
- CompoundTag enchantment = (CompoundTag) list.get(i);
- String id = enchantment.getString(ENCHANTMENTS_ID.NBT);
- if (ench.getKey().equals(NamespacedKey.fromString(id))) {
- index = i;
- level = 0xffff & enchantment.getShort(ENCHANTMENTS_LVL.NBT);
- break;
- }
- }
-
- if (index == Integer.MIN_VALUE) {
- return 0;
- }
- if (size == 1) {
- this.handle.getTag().remove(ENCHANTMENTS.NBT);
- if (this.handle.getTag().isEmpty()) {
- this.handle.setTag(null);
- }
- return level;
- }
-
- // This is workaround for not having an index removal
- listCopy = new ListTag();
- for (int i = 0; i < size; i++) {
- if (i != index) {
- listCopy.add(list.get(i));
- }
+ // Paper start - replace entire method
+ final ItemMeta itemMeta = this.getItemMeta();
+ if (itemMeta == null) return 0;
+ int level = itemMeta.getEnchantLevel(ench);
+ if (level > 0) {
+ itemMeta.removeEnchant(ench);
+ this.setItemMeta(itemMeta);
}
- this.handle.getTag().put(ENCHANTMENTS.NBT, listCopy);
+ // Paper end
return level;
}
@Override
public Map<Enchantment, Integer> getEnchantments() {
- return CraftItemStack.getEnchantments(this.handle);
+ return this.hasItemMeta() ? this.getItemMeta().getEnchants() : ImmutableMap.<Enchantment, Integer>of(); // Paper - use Item Meta
}
static Map<Enchantment, Integer> getEnchantments(net.minecraft.world.item.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 af2d0bfab14cf7133eeaff484895cba6b37391e8..0baca5f3c3f73323b6f5b283fc00be39477ccf59 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -6,6 +6,7 @@ import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.LinkedHashMultimap;
+import com.google.common.collect.ImmutableSortedMap; // Paper
import com.google.common.collect.Lists;
import com.google.common.collect.Multimap;
import com.google.common.collect.SetMultimap;
@@ -23,6 +24,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.Base64;
import java.util.Collection;
+import java.util.Comparator; // Paper
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Iterator;
@@ -33,6 +35,7 @@ import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.Set;
+import java.util.TreeMap; // Paper
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Nonnull;
@@ -272,7 +275,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
private List<String> lore; // null and empty are two different states internally
private Integer customModelData;
private CompoundTag blockData;
- private Map<Enchantment, Integer> enchantments;
+ private EnchantmentMap enchantments; // Paper
private Multimap<Attribute, AttributeModifier> attributeModifiers;
private int repairCost;
private int hideFlag;
@@ -283,7 +286,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
private static final CraftPersistentDataTypeRegistry DATA_TYPE_REGISTRY = new CraftPersistentDataTypeRegistry();
private CompoundTag internalTag;
- final Map<String, Tag> unhandledTags = new HashMap<String, Tag>(); // Visible for testing only
+ final Map<String, Tag> unhandledTags = new TreeMap<String, Tag>(); // Visible for testing only // Paper
private CraftPersistentDataContainer persistentDataContainer = new CraftPersistentDataContainer(CraftMetaItem.DATA_TYPE_REGISTRY);
private int version = CraftMagicNumbers.INSTANCE.getDataVersion(); // Internal use only
@@ -304,7 +307,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
this.blockData = meta.blockData;
if (meta.enchantments != null) { // Spigot
- this.enchantments = new LinkedHashMap<Enchantment, Integer>(meta.enchantments);
+ this.enchantments = new EnchantmentMap(meta.enchantments); // Paper
}
if (meta.hasAttributeModifiers()) {
@@ -387,13 +390,13 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
}
}
- static Map<Enchantment, Integer> buildEnchantments(CompoundTag tag, ItemMetaKey key) {
+ static EnchantmentMap buildEnchantments(CompoundTag tag, ItemMetaKey key) { // Paper
if (!tag.contains(key.NBT)) {
return null;
}
ListTag ench = tag.getList(key.NBT, CraftMagicNumbers.NBT.TAG_COMPOUND);
- Map<Enchantment, Integer> enchantments = new LinkedHashMap<Enchantment, Integer>(ench.size());
+ EnchantmentMap enchantments = new EnchantmentMap(); // Paper
for (int i = 0; i < ench.size(); i++) {
String id = ((CompoundTag) ench.get(i)).getString(ENCHANTMENTS_ID.NBT);
@@ -546,13 +549,13 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
}
}
- 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 LinkedHashMap<Enchantment, Integer>(ench.size());
+ EnchantmentMap enchantments = new EnchantmentMap(); // Paper
for (Map.Entry<?, ?> entry : ench.entrySet()) {
// Doctor older enchants
String enchantKey = entry.getKey().toString();
@@ -828,14 +831,14 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
@Override
public Map<Enchantment, Integer> getEnchants() {
- return this.hasEnchants() ? ImmutableMap.copyOf(enchantments) : ImmutableMap.<Enchantment, Integer>of();
+ return this.hasEnchants() ? ImmutableSortedMap.copyOfSorted(this.enchantments) : ImmutableMap.<Enchantment, Integer>of(); // Paper
}
@Override
public boolean addEnchant(Enchantment ench, int level, boolean ignoreRestrictions) {
Validate.notNull(ench, "Enchantment cannot be null");
if (this.enchantments == null) {
- this.enchantments = new LinkedHashMap<Enchantment, Integer>(4);
+ this.enchantments = new EnchantmentMap(); // Paper
}
if (ignoreRestrictions || level >= ench.getStartLevel() && level <= ench.getMaxLevel()) {
@@ -1216,7 +1219,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
clone.customModelData = this.customModelData;
clone.blockData = this.blockData;
if (this.enchantments != null) {
- clone.enchantments = new LinkedHashMap<Enchantment, Integer>(this.enchantments);
+ clone.enchantments = new EnchantmentMap(this.enchantments); // Paper
}
if (this.hasAttributeModifiers()) {
clone.attributeModifiers = LinkedHashMultimap.create(this.attributeModifiers);
@@ -1450,4 +1453,22 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
return CraftMetaItem.HANDLED_TAGS;
}
}
+
+ // Paper start
+ private static class EnchantmentMap extends TreeMap<Enchantment, Integer> {
+ private EnchantmentMap(Map<Enchantment, Integer> enchantments) {
+ this();
+ putAll(enchantments);
+ }
+
+ private EnchantmentMap() {
+ super(Comparator.comparing(o -> o.getKey().toString()));
+ }
+
+ public EnchantmentMap clone() {
+ return (EnchantmentMap) super.clone();
+ }
+ }
+ // Paper end
+
}
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