PaperMC/patches/server/0120-Optimize-ItemStack.isEmpty.patch
2021-12-10 15:24:07 +01:00

20 lines
974 B
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 21 Dec 2016 03:48:29 -0500
Subject: [PATCH] Optimize ItemStack.isEmpty()
Remove hashMap lookup every check, simplify code to remove ternary
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index 74e4990888d88f18cb3d800724d9156e9d1ae21d..ce082016d841e3e7ba46b722b85edae9acc3f290 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -239,7 +239,7 @@ public final class ItemStack {
}
public boolean isEmpty() {
- return this == ItemStack.EMPTY ? true : (this.getItem() != null && !this.is(Items.AIR) ? this.count <= 0 : true);
+ return this == ItemStack.EMPTY || this.item == null || this.item == Items.AIR || this.count <= 0; // Paper
}
public ItemStack split(int amount) {