papermc/Spigot-Server-Patches/0130-Optimize-ItemStack.isEmpty.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears 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:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

20 lines
964 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/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index db11c8ec692aaf37fc68fd39b95fcadacf5eda38..854cffe6c98956cbafa2ead9b831e39209a76c8d 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -150,7 +150,7 @@ 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) {