papermc/patches/server/0229-Don-t-call-getItemMeta-on-hasItemMeta.patch
Nassim Jahnke e284bb1215
Updated Upstream (Bukkit/CraftBukkit)
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:
fb23cbb3 Define surefire plugin version
d022084a Define ordering for MetadataStoreTest
99a7f6f0 PR-910: Match generic max absorption attribute name style with the rest
c7390d71 PR-909: Update tests to JUnit 5

CraftBukkit Changes:
f0661c351 PR-1230: Move unstructured PDC NBT serialisation to SNBT
452fcb599 PR-1256: Update tests to JUnit 5
2023-09-24 18:25:25 +10:00

64 lines
3.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Hugo Manrique <hugmanrique@gmail.com>
Date: Thu, 26 Jul 2018 14:10:23 +0200
Subject: [PATCH] Don't call getItemMeta on hasItemMeta
Spigot 1.13 checks if any field (which are manually copied from the ItemStack's "tag" NBT tag) on the ItemMeta class of an ItemStack is set.
We could just check if the "tag" NBT tag is empty, albeit that would break some plugins. The only general tag added on 1.13 is "Damage", and we can just check if the "tag" NBT tag contains any other tag that's not "Damage" (https://minecraft.gamepedia.com/Player.dat_format#Item_structure) making the `hasItemStack` method behave as before.
Returns true if getDamage() == 0 or has damage tag or other tag is set.
Check the `ItemMetaTest#testTaggedButNotMeta` method to see how this method behaves.
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index 00bdaff22deab7a9f328670917fe2bae01e37a73..cee7a93cd516ed8f483fd29dfcd6a54f4c37e348 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -678,7 +678,7 @@ public final class CraftItemStack extends ItemStack {
@Override
public boolean hasItemMeta() {
- return CraftItemStack.hasItemMeta(this.handle) && !CraftItemFactory.instance().equals(this.getItemMeta(), null);
+ return CraftItemStack.hasItemMeta(this.handle) && (this.handle.getDamageValue() != 0 || (this.handle.getTag() != null && this.handle.getTag().tags.size() >= (this.handle.getTag().contains(CraftMetaItem.DAMAGE.NBT) ? 2 : 1))); // Paper - keep 1.12 CraftBukkit behavior without calling getItemMeta
}
static boolean hasItemMeta(net.minecraft.world.item.ItemStack item) {
diff --git a/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java b/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
index 3effe3c3b7ad949bc786e1b6e560553f2ca3f233..937ddd3a2b9e1df2c8835079923c339178f08459 100644
--- a/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
+++ b/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
@@ -108,6 +108,34 @@ public class ItemMetaTest extends AbstractTestingBase {
assertThat(itemMeta.hasConflictingEnchant(null), is(false));
}
+ // Paper start
+ private void testItemMeta(ItemStack stack) {
+ assertThat(stack.hasItemMeta(), is(false), "Should not have ItemMeta");
+
+ stack.setDurability((short) 0);
+ assertThat(stack.hasItemMeta(), is(false), "ItemStack with zero durability should not have ItemMeta");
+
+ stack.setDurability((short) 2);
+ assertThat(stack.hasItemMeta(), is(true), "ItemStack with non-zero durability should have ItemMeta");
+
+ stack.setLore(java.util.Collections.singletonList("Lore"));
+ assertThat(stack.hasItemMeta(), is(true), "ItemStack with lore and durability should have ItemMeta");
+
+ stack.setDurability((short) 0);
+ assertThat(stack.hasItemMeta(), is(true), "ItemStack with lore should have ItemMeta");
+
+ stack.setLore(null);
+ }
+
+ @Test
+ public void testHasItemMeta() {
+ ItemStack itemStack = new ItemStack(Material.SHEARS);
+
+ testItemMeta(itemStack);
+ testItemMeta(CraftItemStack.asCraftCopy(itemStack));
+ }
+ // Paper end
+
@Test
public void testConflictingStoredEnchantment() {
EnchantmentStorageMeta itemMeta = (EnchantmentStorageMeta) Bukkit.getItemFactory().getItemMeta(Material.ENCHANTED_BOOK);