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testserver/patches/server/0709-Optimize-entity-tracke...

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Optimize entity tracker passenger checks (#6361) When a ServerEntity instance is first constructed, it uses a pre-Java 9 empty collection, but passengers use Guava ImmutableList. When comparing the two collections via Object#equals we miss out on an opportunity to reduce the check to little more than a reference equality check (which is very fast).
2021-08-09 18:36:45 +00:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Sun, 8 Aug 2021 00:52:54 -0400
Subject: [PATCH] Optimize entity tracker passenger checks
diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
and yet again, more patches
2021-11-24 23:46:26 +00:00
index f6b6ac1ab31c364646151866c54c9e46dee12516..75d0c2532c26eab044256cf6373ba7909dfe6395 100644
Optimize entity tracker passenger checks (#6361) When a ServerEntity instance is first constructed, it uses a pre-Java 9 empty collection, but passengers use Guava ImmutableList. When comparing the two collections via Object#equals we miss out on an opportunity to reduce the check to little more than a reference equality check (which is very fast).
2021-08-09 18:36:45 +00:00
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
and yet again, more patches
2021-11-24 23:46:26 +00:00
@@ -73,7 +73,7 @@ public class ServerEntity {
Optimize entity tracker passenger checks (#6361) When a ServerEntity instance is first constructed, it uses a pre-Java 9 empty collection, but passengers use Guava ImmutableList. When comparing the two collections via Object#equals we miss out on an opportunity to reduce the check to little more than a reference equality check (which is very fast).
2021-08-09 18:36:45 +00:00
this.trackedPlayers = trackedPlayers;
// CraftBukkit end
this.ap = Vec3.ZERO;
- this.lastPassengers = Collections.emptyList();
+ this.lastPassengers = com.google.common.collect.ImmutableList.of(); // Paper - optimize passenger checks
this.level = worldserver;
this.broadcast = consumer;
this.entity = entity;