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88 lines
4.6 KiB
Diff
88 lines
4.6 KiB
Diff
From 945bdf171a8349bce6b68345835351323d8e35a5 Mon Sep 17 00:00:00 2001
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From: Hugo Manrique <hugmanrique@gmail.com>
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Date: Thu, 26 Jul 2018 14:10:23 +0200
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Subject: [PATCH] Don't call getItemMeta on hasItemMeta
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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.
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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.
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Returns true if getDamage() == 0 or has damage tag or other tag is set.
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Check the `ItemMetaTest#testTaggedButNotMeta` method to see how this method behaves.
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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index d6e6b9bed..3966769c5 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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@@ -525,7 +525,7 @@ public final class CraftItemStack extends ItemStack {
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@Override
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public boolean hasItemMeta() {
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- return hasItemMeta(handle) && !CraftItemFactory.instance().equals(getItemMeta(), null);
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+ 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
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}
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static boolean hasItemMeta(net.minecraft.server.ItemStack item) {
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diff --git a/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java b/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
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index ef9d40b8a..a16199387 100644
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--- a/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
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+++ b/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
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@@ -5,6 +5,7 @@ import static org.hamcrest.Matchers.*;
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import java.util.ArrayList;
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import java.util.Arrays;
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+import java.util.Collections; // Paper
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import java.util.List;
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import com.destroystokyo.paper.inventory.meta.ArmorStandMeta; // Paper
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import net.minecraft.server.Block;
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@@ -155,8 +156,47 @@ public class ItemMetaTest extends AbstractTestingBase {
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ItemStack pureBukkit = new ItemStack(Material.SHEARS);
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assertThat("Bukkit and craft stacks should be similar", craft.isSimilar(pureBukkit), is(true));
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assertThat("Bukkit and craft stacks should be equal", craft.equals(pureBukkit), is(true));
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+ // Paper start - test additional ItemMeta damage cases
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+ ItemStack clone = CraftItemStack.asBukkitCopy(CraftItemStack.asNMSCopy(craft));
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+ assertThat("Bukkit and craft stacks should be similar", craft.isSimilar(clone), is(true));
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+ assertThat("Bukkit and craft stacks should be equal", craft.equals(clone), is(true));
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+
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+ pureBukkit = new ItemStack(Material.DIAMOND_SWORD);
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+ pureBukkit.setDurability((short) 2);
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+ net.minecraft.server.ItemStack nms = CraftItemStack.asNMSCopy(pureBukkit);
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+ ItemStack other = CraftItemStack.asBukkitCopy(nms);
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+
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+ assertThat("Bukkit and NMS ItemStack copies should be similar", pureBukkit.isSimilar(other), is(true));
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+ assertThat("Bukkit and NMS ItemStack copies should be equal", pureBukkit.equals(other), is(true));
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}
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+ private void testItemMeta(ItemStack stack) {
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+ assertThat("Should not have ItemMeta", stack.hasItemMeta(), is(false));
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+
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+ stack.setDurability((short) 0);
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+ assertThat("ItemStack with zero durability should not have ItemMeta", stack.hasItemMeta(), is(false));
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+
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+ stack.setDurability((short) 2);
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+ assertThat("ItemStack with non-zero durability should have ItemMeta", stack.hasItemMeta(), is(true));
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+
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+ stack.setLore(Collections.singletonList("Lore"));
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+ assertThat("ItemStack with lore and durability should have ItemMeta", stack.hasItemMeta(), is(true));
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+
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+ stack.setDurability((short) 0);
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+ assertThat("ItemStack with lore should have ItemMeta", stack.hasItemMeta(), is(true));
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+
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+ stack.setLore(null);
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+ }
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+
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+ @Test
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+ public void testHasItemMeta() {
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+ ItemStack itemStack = new ItemStack(Material.SHEARS);
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+
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+ testItemMeta(itemStack);
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+ testItemMeta(CraftItemStack.asCraftCopy(itemStack));
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+ }
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+ // Paper end
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+
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@Test
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public void testBlockStateMeta() {
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List<Block> queue = new ArrayList<>();
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--
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2.18.0
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