papermc/Spigot-Server-Patches/0161-Optimize-ItemStack.isEmpty.patch

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Diff

From a568807b1275842ccd23458e723c4bcaac760497 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/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index ed714c2cc..ca169e113 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -140,7 +140,7 @@ public final class ItemStack {
}
public boolean isEmpty() {
- return this == ItemStack.a ? true : (this.getItem() != null && this.getItem() != Items.AIR ? this.count <= 0 : true);
+ return this == ItemStack.a || this.item == null || this.item == Items.AIR || this.count <= 0; // Paper
}
public ItemStack cloneAndSubtract(int i) {
--
2.18.0