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Paper/patches/api/0432-Allow-proper-checking-of-empty-item-stacks.patch
Jake Potrebic 3e90a19183
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:
304e83eb PR-1002: Improve documentation and implementation of getMaxStackSize
e8215ea2 SPIGOT-7638: Library loader does not seem to resolve every dependency
79c595c0 SPIGOT-7637: Bad logic in checking nullability of AttributeModifier slots

CraftBukkit Changes:
91b1fc3f1 SPIGOT-7644: Fix ItemMeta#getAsString
4e77a81e1 SPIGOT-7615: PlayerLeashEntityEvent cancelled eats lead
996f660f3 Do not remove leash knot if leasing to an existing leash knot gets cancelled
f70367d42 SPIGOT-7643: Fix inverted leash event cancelled usage and remove leash knot if no entity gets leashed
7ddb48294 SPIGOT-7640: Abnormal jumping height of wind charge
080c8711e SPIGOT-7639: Incoming plugin channels not working
ad549847e Open a direct connection instead of pinging mojang server to check if it is reachable
38e2926c5 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime
2024-04-27 18:00:01 -07:00

37 Zeilen
1.5 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aeltumn <daniel@goossens.ch>
Date: Mon, 28 Aug 2023 13:41:09 +0200
Subject: [PATCH] Allow proper checking of empty item stacks
This adds a method to check if an item stack is empty or not. This mirrors vanilla's implementation of the same method.
diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
index 6195ac25e7a46542659a263c85f7adac745c2ce4..7cecb04de7d55dcdec1fa3dd255c844e92b1abdb 100644
--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -1001,5 +1001,24 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
public @NotNull ItemStack damage(int amount, @NotNull org.bukkit.entity.LivingEntity livingEntity) {
return livingEntity.damageItemStack(this, amount);
}
+
+ /**
+ * Returns an empty item stack, consists of an air material and a stack size of 0.
+ *
+ * Any item stack with a material of air or a stack size of 0 is seen
+ * as being empty by {@link ItemStack#isEmpty}.
+ */
+ @NotNull
+ public static ItemStack empty() {
+ return new ItemStack();
+ }
+
+ /**
+ * Returns whether this item stack is empty and contains no item. This means
+ * it is either air or the stack has a size of 0.
+ */
+ public boolean isEmpty() {
+ return type.isAir() || amount <= 0;
+ }
// Paper end
}