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Paper/patches/server/0074-Handle-Item-Meta-Inconsistencies.patch
Jake Potrebic 9d8d38d137
Updated Upstream (CraftBukkit) (#10646) 
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

CraftBukkit Changes:
66fd94322 SPIGOT-7652: Remove remap for SPELL_MOB_AMBIENT which no longer exists
ecfa4f973 SPIGOT-7654: ItemStack#isSimilar does not work with empty BlockStateMeta
4460ecc49 SPIGOT-7655: ItemMeta#addItemFlags(ItemFlag.HIDE_ATTRIBUTES) not working when no attribute modifiers set
5d84f48a4 SPIGOT-7653: Update ApiVersion.CURRENT with latest version and include tests
2024-05-05 18:08:55 +02:00

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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/enchantment/ItemEnchantments.java b/src/main/java/net/minecraft/world/item/enchantment/ItemEnchantments.java
index b49eb019cce58049c2b3a0e80e3d08998b16f7ea..af18de11dd55938b6091f5ab183bd3fe4e8df152 100644
--- a/src/main/java/net/minecraft/world/item/enchantment/ItemEnchantments.java
+++ b/src/main/java/net/minecraft/world/item/enchantment/ItemEnchantments.java
@@ -27,15 +27,27 @@ import net.minecraft.tags.TagKey;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.TooltipFlag;
import net.minecraft.world.item.component.TooltipProvider;
+// Paper start
+import it.unimi.dsi.fastutil.objects.Object2IntAVLTreeMap;
+// Paper end
public class ItemEnchantments implements TooltipProvider {
- public static final ItemEnchantments EMPTY = new ItemEnchantments(new Object2IntOpenHashMap<>(), true);
+ // Paper start
+ private static final java.util.Comparator<Holder<Enchantment>> ENCHANTMENT_ORDER = java.util.Comparator.comparing(Holder::getRegisteredName);
+ public static final ItemEnchantments EMPTY = new ItemEnchantments(new Object2IntAVLTreeMap<>(ENCHANTMENT_ORDER), true);
+ // Paper end
public static final int MAX_LEVEL = 255;
private static final Codec<Integer> LEVEL_CODEC = Codec.intRange(0, 255);
- private static final Codec<Object2IntOpenHashMap<Holder<Enchantment>>> LEVELS_CODEC = Codec.unboundedMap(
+ private static final Codec<Object2IntAVLTreeMap<Holder<Enchantment>>> LEVELS_CODEC = Codec.unboundedMap( // Paper
BuiltInRegistries.ENCHANTMENT.holderByNameCodec(), LEVEL_CODEC
)
- .xmap(Object2IntOpenHashMap::new, Function.identity());
+ // Paper start - sort enchantments
+ .xmap(m -> {
+ final Object2IntAVLTreeMap<Holder<Enchantment>> map = new Object2IntAVLTreeMap<>(ENCHANTMENT_ORDER);
+ map.putAll(m);
+ return map;
+ }, Function.identity());
+ // Paper end - sort enchantments
private static final Codec<ItemEnchantments> FULL_CODEC = RecordCodecBuilder.create(
instance -> instance.group(
LEVELS_CODEC.fieldOf("levels").forGetter(component -> component.enchantments),
@@ -45,16 +57,16 @@ public class ItemEnchantments implements TooltipProvider {
);
public static final Codec<ItemEnchantments> CODEC = Codec.withAlternative(FULL_CODEC, LEVELS_CODEC, map -> new ItemEnchantments(map, true));
public static final StreamCodec<RegistryFriendlyByteBuf, ItemEnchantments> STREAM_CODEC = StreamCodec.composite(
- ByteBufCodecs.map(Object2IntOpenHashMap::new, ByteBufCodecs.holderRegistry(Registries.ENCHANTMENT), ByteBufCodecs.VAR_INT),
+ ByteBufCodecs.map((v) -> new Object2IntAVLTreeMap<>(ENCHANTMENT_ORDER), ByteBufCodecs.holderRegistry(Registries.ENCHANTMENT), ByteBufCodecs.VAR_INT), // Paper
component -> component.enchantments,
ByteBufCodecs.BOOL,
component -> component.showInTooltip,
ItemEnchantments::new
);
- final Object2IntOpenHashMap<Holder<Enchantment>> enchantments;
+ final Object2IntAVLTreeMap<Holder<Enchantment>> enchantments; // Paper
public final boolean showInTooltip;
- ItemEnchantments(Object2IntOpenHashMap<Holder<Enchantment>> enchantments, boolean showInTooltip) {
+ ItemEnchantments(Object2IntAVLTreeMap<Holder<Enchantment>> enchantments, boolean showInTooltip) { // Paper
this.enchantments = enchantments;
this.showInTooltip = showInTooltip;
@@ -145,7 +157,7 @@ public class ItemEnchantments implements TooltipProvider {
}
public static class Mutable {
- private final Object2IntOpenHashMap<Holder<Enchantment>> enchantments = new Object2IntOpenHashMap<>();
+ private final Object2IntAVLTreeMap<Holder<Enchantment>> enchantments = new Object2IntAVLTreeMap<>(ENCHANTMENT_ORDER); // Paper
public boolean showInTooltip;
public Mutable(ItemEnchantments enchantmentsComponent) {
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index b6521462d193bff83ace1dc694c6d957a7173969..d302767e8f01fdfcba9c22e2e35677afc18c0641 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -191,16 +191,11 @@ public final class CraftItemStack extends ItemStack {
public void addUnsafeEnchantment(Enchantment ench, int level) {
Preconditions.checkArgument(ench != null, "Enchantment cannot be null");
- if (!CraftItemStack.makeTag(this.handle)) {
- return;
- }
- ItemEnchantments list = CraftItemStack.getEnchantmentList(this.handle);
- if (list == null) {
- list = ItemEnchantments.EMPTY;
- }
- ItemEnchantments.Mutable listCopy = new ItemEnchantments.Mutable(list);
- listCopy.set(CraftEnchantment.bukkitToMinecraft(ench), level);
- this.handle.set(DataComponents.ENCHANTMENTS, listCopy.toImmutable());
+ // 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) {
@@ -229,24 +224,15 @@ public final class CraftItemStack extends ItemStack {
public int removeEnchantment(Enchantment ench) {
Preconditions.checkArgument(ench != null, "Enchantment cannot be null");
- ItemEnchantments list = CraftItemStack.getEnchantmentList(this.handle);
- if (list == null) {
- return 0;
- }
- int level = this.getEnchantmentLevel(ench);
- if (level <= 0) {
- return 0;
- }
- int size = list.size();
-
- if (size == 1) {
- this.handle.remove(DataComponents.ENCHANTMENTS);
- return level;
+ // Paper start - replace entire method
+ int level = getEnchantmentLevel(ench);
+ if (level > 0) {
+ final ItemMeta itemMeta = this.getItemMeta();
+ if (itemMeta == null) return 0;
+ itemMeta.removeEnchant(ench);
+ this.setItemMeta(itemMeta);
}
-
- ItemEnchantments.Mutable listCopy = new ItemEnchantments.Mutable(list);
- listCopy.set(CraftEnchantment.bukkitToMinecraft(ench), -1); // Negative to remove
- this.handle.set(DataComponents.ENCHANTMENTS, listCopy.toImmutable());
+ // Paper end
return level;
}
@@ -258,7 +244,7 @@ public final class CraftItemStack extends ItemStack {
@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 3f309c255097f6778854d710a5a045fa960a953f..c318552a2ac2710cea01ac449a469a0fc61f8161 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;
@@ -22,6 +23,7 @@ import java.util.Arrays;
import java.util.Base64;
import java.util.Collection;
import java.util.Collections;
+import java.util.Comparator; // Paper
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Iterator;
@@ -32,6 +34,7 @@ import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
+import java.util.TreeMap; // Paper
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Nonnull;
@@ -221,7 +224,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
private List<Component> lore; // null and empty are two different states internally
private Integer customModelData;
private Map<String, String> blockData;
- private Map<Enchantment, Integer> enchantments;
+ private EnchantmentMap enchantments; // Paper
private Multimap<Attribute, AttributeModifier> attributeModifiers;
private int repairCost;
private int hideFlag;
@@ -260,7 +263,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
this.blockData = meta.blockData;
if (meta.enchantments != null) {
- this.enchantments = new LinkedHashMap<Enchantment, Integer>(meta.enchantments);
+ this.enchantments = new EnchantmentMap(meta.enchantments); // Paper
}
if (meta.hasAttributeModifiers()) {
@@ -391,8 +394,8 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
}
}
- static Map<Enchantment, Integer> buildEnchantments(ItemEnchantments tag) {
- Map<Enchantment, Integer> enchantments = new LinkedHashMap<Enchantment, Integer>(tag.size());
+ static EnchantmentMap buildEnchantments(ItemEnchantments tag) { // Paper
+ EnchantmentMap enchantments = new EnchantmentMap(); // Paper
tag.entrySet().forEach((entry) -> {
Holder<net.minecraft.world.item.enchantment.Enchantment> id = entry.getKey();
@@ -646,13 +649,13 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
return modifiers;
}
- 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();
@@ -973,14 +976,14 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
@Override
public Map<Enchantment, Integer> getEnchants() {
- return this.hasEnchants() ? ImmutableMap.copyOf(this.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) {
Preconditions.checkArgument(ench != null, "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()) {
@@ -1516,7 +1519,7 @@ 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);
@@ -1836,4 +1839,22 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
return (result != null) ? result : Optional.empty();
}
+
+ // 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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