patches/server/0586-Optimize-entity-tracker-passenger-checks.patch


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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
index 002c73c7dc7c72968ed8692a67e1bce4236f7214..56408fa2603137819f47e7bd9b53b0b5f647edd6 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -83,7 +83,7 @@ public class ServerEntity {
         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;