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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 f355dd986bf861da3edb90d7e05f901e19686fef..979571cc12f81e09df8570f7deb32f4c604188bd 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -113,7 +113,7 @@ 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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