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Paper/Spigot-Server-Patches/0084-Handle-Item-Meta-Inconsistencies.patch
Zach Brown c442e96eb9
Update to Minecraft 1.10
2016-06-08 23:42:46 -05:00

298 Zeilen
12 KiB
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Originalformat Blame Verlauf

From aae185d1bb080ef2b3a9dc0dbf99e4a587285c70 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 8b6fd4f..b397ccc 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;
@@ -184,28 +185,11 @@ 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) {
@@ -222,66 +206,34 @@ 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 22cc267..94f2ba0 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;
@@ -37,11 +32,18 @@ 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.Iterator;
+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;
@@ -222,13 +224,13 @@ class CraftMetaItem implements ItemMeta, Repairable {
private String displayName;
private List<String> lore;
- private Map<Enchantment, Integer> enchantments;
+ private EnchantmentMap enchantments; // Paper
private int repairCost;
private int hideFlag;
private static final Set<String> HANDLED_TAGS = Sets.newHashSet();
- 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) {
@@ -242,7 +244,7 @@ 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;
@@ -457,13 +459,13 @@ class CraftMetaItem implements ItemMeta, Repairable {
// Spigot end
}
- 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, 10);
- 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);
@@ -536,13 +538,13 @@ 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());
@@ -672,12 +674,12 @@ 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()) {
@@ -835,7 +837,7 @@ 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;
return clone;
@@ -991,6 +993,28 @@ 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(new Comparator<Enchantment>() {
+ @Override
+ public int compare(Enchantment o1, Enchantment o2) {
+ return ((Integer) o1.getId()).compareTo(o2.getId());
+ }
+ });
+ }
+
+ public EnchantmentMap clone() {
+ return (EnchantmentMap) super.clone();
+ }
+ }
+ // Paper end
+
// Spigot start
private final Spigot spigot = new Spigot()
{
--
2.8.3
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