974b0afca9
CraftBukkit removed their implementation that caused this issue, switching to Mojang's implementation which doesn't appear to share it. I already removed the important bit in the last upstream merge, this is just unused and unnecessary now. So we remove it.
31 lines
1.4 KiB
Diff
31 lines
1.4 KiB
Diff
From b44bf1c80442b336a199ef736c5e055c6aa9a763 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 21 Dec 2016 03:48:29 -0500
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Subject: [PATCH] Optimize ItemStack.isEmpty()
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Remove hashMap lookup every check, simplify code to remove ternary
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diff --git a/src/main/java/net/minecraft/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
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index aca63be53..548da18e0 100644
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--- a/src/main/java/net/minecraft/server/ItemStack.java
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+++ b/src/main/java/net/minecraft/server/ItemStack.java
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@@ -120,9 +120,15 @@ public final class ItemStack {
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this.F();
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}
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+ // Paper start - optimize isEmpty
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+ private static Item airItem;
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public boolean isEmpty() {
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- return this == ItemStack.a ? true : (this.item != null && this.item != Item.getItemOf(Blocks.AIR) ? (this.count <= 0 ? true : this.damage < -32768 || this.damage > '\uffff') : true);
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+ if (airItem == null) {
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+ airItem = Item.REGISTRY.get(new MinecraftKey("air"));
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+ }
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+ return this == ItemStack.a || this.item == null || this.item == airItem || (this.count <= 0 || (this.damage < -32768 || this.damage > '\uffff'));
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}
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+ // Paper end
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public static void a(DataConverterManager dataconvertermanager) {
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dataconvertermanager.a(DataConverterTypes.ITEM_INSTANCE, (DataInspector) (new DataInspectorBlockEntity()));
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--
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2.12.2.windows.2
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