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Paper/patches/server/0958-Only-tick-item-frames-if-players-can-see-it.patch
2023-09-22 15:33:14 -07:00

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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 e7df888c8fa3cde13d727b3bd6b4d66aabea4527..e2795f6ee05141374736dd5821e23431b26c6162 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -111,7 +111,7 @@ public class ServerEntity {
Entity entity = this.entity;
- if (entity instanceof ItemFrame) {
+ if (!this.trackedPlayers.isEmpty() && entity instanceof ItemFrame) { // Paper - Only tick item frames if players can see it
ItemFrame entityitemframe = (ItemFrame) entity;
if (true || this.tickCount % 10 == 0) { // CraftBukkit - Moved below, should always enter this block