Paper/patches/api/0417-Allow-proper-checking-of-empty-item-stacks.patch
Nassim Jahnke 52a05907c7
Updated Upstream (Bukkit/CraftBukkit) (#11543)
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:
97c59261 PR-1073: Make Biome an interface
a38581aa Fix further javadoc errors
8271c490 Fix javadoc error
8a9ecf29 PR-1072: Fix bad naming for Vault State methods
6dd58108 PR-1071: Make Fluid an interface and add missing entry
ed2cdfc3 PR-1070: Make Attribute an interface and align names with the new minecraft ones
63472efb PR-1069: Add missing winter drop experimental annotation to pale boats

CraftBukkit Changes:
7235ad7b0 PR-1501: Make Biome an interface
602904003 PR-1500: Rename implementation for Vault State methods
75f26f79f PR-1499: Make Fluid an interface and add missing entry
4cfd87adc PR-1498: Make Attribute an interface and align names with the new minecraft ones
6bb0db5cb SPIGOT-7928: ExactChoice acts as MaterialChoice
3eaf3a13c SPIGOT-7929: Error when setting EquippableComponent
abbf57bac SPIGOT-7930: Fix spawning entities with SummonEntityEffect
92d6ab6cf PR-1497: Move boat field rename entries to below key renaming, so that keys are also renamed
abfe292aa PR-1496: Use correct Fluid class on Tags type check
c7aab7fa7 SPIGOT-7923: Fix Dispenser logic to avoid firing empty projectiles
2024-10-31 23:44:34 +01:00

37 lines
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 e39c9167bd66c528c09b256f15cc6c58666f0ca0..773780811a24aa1c1591257a993e30f2d99da436 100644
--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -1104,5 +1104,24 @@ 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
}