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Paper/Spigot-Server-Patches/0305-Don-t-call-getItemMeta-on-hasItemMeta.patch
Shane Freeder fb25dc17c6 Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears 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:
da08d022 SPIGOT-4700: Add PlayerFishEvent.State.REEL_IN
0cef14e4 Remove draft API from selectEntities

CraftBukkit Changes:
a46fdbc6 Remove outdated build delay.
3697519b SPIGOT-4708: Fix ExactChoice recipes neglecting material
9ead7009 SPIGOT-4677: Add minecraft.admin.command_feedback permission
c3749a23 Remove the Damage tag from items when it is 0.
f74c7b95 SPIGOT-4706: Can't interact with active item
494eef45 Mention requirement of JIRA ticket for bug fixes
51d62dec SPIGOT-4702: Exception when middle clicking certain slots
be557e69 SPIGOT-4700: Add PlayerFishEvent.State.REEL_IN
2019-04-22 22:36:14 +01:00

89 Zeilen
4.4 KiB
Diff

From 1357a61602da080e892436071b2f5171f3dc59ea 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 bc8fb28163..ca9399bdbe 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -525,7 +525,7 @@ public final class CraftItemStack extends ItemStack {
@Override
public boolean hasItemMeta() {
- return hasItemMeta(handle) && !CraftItemFactory.instance().equals(getItemMeta(), null);
+ return hasItemMeta(handle) && (handle.getDamage() != 0 || (handle.getTag() != null && handle.getTag().map.size() >= (handle.getTag().hasKey(CraftMetaItem.DAMAGE.NBT) ? 2 : 1))); // Paper - keep 1.12 CraftBukkit behavior without calling getItemMeta
}
static boolean hasItemMeta(net.minecraft.server.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 d4f4508cce..3a2793f322 100644
--- a/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
+++ b/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
@@ -5,6 +5,7 @@ import static org.hamcrest.Matchers.*;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collections; // Paper
import java.util.List;
import java.util.UUID;
@@ -183,7 +184,47 @@ public class ItemMetaTest extends AbstractTestingBase {
assertThat("noTag and enchanted stacks should not be similar", noTag.isSimilar(enchanted), is(false));
assertThat("noTag and enchanted stacks should not be equal", noTag.equals(enchanted), is(false));
+
+ // Paper start - test additional ItemMeta damage cases
+ ItemStack clone = CraftItemStack.asBukkitCopy(CraftItemStack.asNMSCopy(noDamage));
+ assertThat("Bukkit and craft stacks should be similar", noDamage.isSimilar(clone), is(true));
+ assertThat("Bukkit and craft stacks should be equal", noDamage.equals(clone), is(true));
+
+ ItemStack pureBukkit = new ItemStack(Material.DIAMOND_SWORD);
+ pureBukkit.setDurability((short) 2);
+ net.minecraft.server.ItemStack nms = CraftItemStack.asNMSCopy(pureBukkit);
+ ItemStack other = CraftItemStack.asBukkitCopy(nms);
+
+ assertThat("Bukkit and NMS ItemStack copies should be similar", pureBukkit.isSimilar(other), is(true));
+ assertThat("Bukkit and NMS ItemStack copies should be equal", pureBukkit.equals(other), is(true));
+ }
+
+ private void testItemMeta(ItemStack stack) {
+ assertThat("Should not have ItemMeta", stack.hasItemMeta(), is(false));
+
+ stack.setDurability((short) 0);
+ assertThat("ItemStack with zero durability should not have ItemMeta", stack.hasItemMeta(), is(false));
+
+ stack.setDurability((short) 2);
+ assertThat("ItemStack with non-zero durability should have ItemMeta", stack.hasItemMeta(), is(true));
+
+ stack.setLore(Collections.singletonList("Lore"));
+ assertThat("ItemStack with lore and durability should have ItemMeta", stack.hasItemMeta(), is(true));
+
+ stack.setDurability((short) 0);
+ assertThat("ItemStack with lore should have ItemMeta", stack.hasItemMeta(), is(true));
+
+ stack.setLore(null);
+ }
+
+ @Test
+ public void testHasItemMeta() {
+ ItemStack itemStack = new ItemStack(Material.SHEARS);
+
+ testItemMeta(itemStack);
+ testItemMeta(CraftItemStack.asCraftCopy(itemStack));
}
+ // Paper end
@Test
public void testBlockStateMeta() {
--
2.21.0