mirror of https://github.com/PaperMC/Paper.git
37 lines
1.5 KiB
Diff
37 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aeltumn <daniel@goossens.ch>
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Date: Mon, 28 Aug 2023 13:41:09 +0200
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Subject: [PATCH] Allow proper checking of empty item stacks
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This adds a method to check if an item stack is empty or not. This mirrors vanilla's implementation of the same method.
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diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
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index 5f8b7eb48561e9e81e03be3b09c47becc585513a..d84f1fa4c9240f579eb02f9e7a76dbcb080ea81a 100644
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--- a/src/main/java/org/bukkit/inventory/ItemStack.java
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+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
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@@ -1077,5 +1077,24 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
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public @NotNull ItemStack damage(int amount, @NotNull org.bukkit.entity.LivingEntity livingEntity) {
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return livingEntity.damageItemStack(this, amount);
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}
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+
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+ /**
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+ * Returns an empty item stack, consists of an air material and a stack size of 0.
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+ *
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+ * Any item stack with a material of air or a stack size of 0 is seen
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+ * as being empty by {@link ItemStack#isEmpty}.
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+ */
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+ @NotNull
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+ public static ItemStack empty() {
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+ return new ItemStack();
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+ }
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+
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+ /**
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+ * Returns whether this item stack is empty and contains no item. This means
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+ * it is either air or the stack has a size of 0.
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+ */
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+ public boolean isEmpty() {
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+ return type.isAir() || amount <= 0;
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+ }
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// Paper end
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}
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