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Paper/Spigot-Server-Patches/0267-Don-t-call-getItemMeta-on-hasItemMeta.patch
Shane Freeder 14513c3ce1
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:
92f24ff2 SPIGOT-5158: Add SuspiciousStewMeta
b9bf4dae SPIGOT-5310: Add Chunk.contains
b2adbb45 Add API to get/set inhabited time of a Chunk
e3c812dd SPIGOT-5250: Add ChunkSnapshot.contains
71973d85 SPIGOT-5255: Raid / patrol spawn reasons

CraftBukkit Changes:
03b145b3 SPIGOT-5158: Add SuspiciousStewMeta
9aa74304 SPIGOT-5310: Add Chunk.contains
7ef2b20d SPIGOT-3308: RecipeIterator cannot longer remove recipes
023f438c Add API to get/set inhabited time of a Chunk
b79a86ed SPIGOT-5250: Add ChunkSnapshot.contains
aa492e55 SPIGOT-5255: Raid / patrol spawn reasons
2019-09-10 19:51:02 +01:00

89 Zeilen
4.5 KiB
Diff

From 244d4a3b61d4250cd14c16f475900a0a31e588bf 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 d273f24da..b1ea5b93d 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -545,7 +545,7 @@ 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 919f2ffa9..4726386ef 100644
--- a/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
+++ b/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
@@ -4,6 +4,7 @@ import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collections; // Paper
import java.util.List;
import java.util.UUID;
import com.destroystokyo.paper.inventory.meta.ArmorStandMeta; // Paper
@@ -181,7 +182,47 @@ 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() {
--
2.23.0