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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/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index 648ae6d9e8f3c7f4d5bbd442efda2ca7d2fc0c3b..a62c2307a1d0f93c830fb3b125f03dc58757b8e6 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -154,7 +154,7 @@ public final class ItemStack {
}
public boolean isEmpty() {
- return this == ItemStack.b ? true : (this.getItem() != null && this.getItem() != Items.AIR ? this.count <= 0 : true);
+ return this == ItemStack.NULL_ITEM || this.item == null || this.item == Items.AIR || this.count <= 0; // Paper
}
public ItemStack cloneAndSubtract(int i) {
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