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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Redned <redned235@gmail.com>
Date: Mon, 19 Jun 2023 15:45:53 -0500
Subject: [PATCH] Only tick item frames if players can see it
In the event that an item frame cannot be seen by any players, ticking the item frame every tick is unnecessary. This can be a very hot section of the entity tracker when lots of item frames are present on a server, so this reduces the logic which speeds it up.
diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
index 78d3aa089d990190cdf5cd7ac14410909235f133..436eb27ddc6a36b8bbf46efd9532c4e371024a98 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -116,7 +116,7 @@ public class ServerEntity {
Entity entity = this.entity;
- if (entity instanceof ItemFrame entityitemframe) {
+ if (!this.trackedPlayers.isEmpty() && entity instanceof ItemFrame entityitemframe) { // Paper - Perf: Only tick item frames if players can see it
if (true || this.tickCount % 10 == 0) { // CraftBukkit - Moved below, should always enter this block
ItemStack itemstack = entityitemframe.getItem();
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