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Code Issues Releases Activity

Drop patch that causes performance regression

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Originally vanilla logic is to use stream, and Mojang switched it to Guava's Collections2
since 1.21.4. It is much faster than using stream or manually adding to a new ArrayList.
Manually adding to a new ArrayList requires allocating a new object array. However, the Collections2
lazy handles filter condition on iteration, so much better.
This commit is contained in:
Dreeam
2025-08-04 18:46:50 +08:00
parent 212815e788
commit 9a4efaa230
212 changed files with 94 additions and 86 deletions
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25
leaf-server/minecraft-patches/features/0247-Optimize-getScaledTrackingDistance.patch Normal file
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@@ -0,0 +1,25 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: hayanesuru <hayanesuru@outlook.jp>
Date: Sat, 17 May 2025 19:01:50 +0900
Subject: [PATCH] Optimize getScaledTrackingDistance
diff --git a/net/minecraft/server/dedicated/DedicatedServer.java b/net/minecraft/server/dedicated/DedicatedServer.java
index 436e73086678e4afbf94f1b7bca9b0c74266f762..168fc4fea371dfe9ea1ffca3c9f290ba3547f0b9 100644
--- a/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/net/minecraft/server/dedicated/DedicatedServer.java
@@ -783,7 +783,13 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
@Override
public int getScaledTrackingDistance(int trackingDistance) {
- return this.getProperties().entityBroadcastRangePercentage * trackingDistance / 100;
+ // Leaf start - Optimize getScaledTrackingDistance
+ int p = this.getProperties().entityBroadcastRangePercentage;
+ if (p == 100) {
+ return trackingDistance;
+ }
+ return p * trackingDistance / 100;
+ // Leaf end - Optimize getScaledTrackingDistance
}
@Override