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-rw-r--r--patches/unapplied/server/0645-Optimize-entity-tracker-passenger-checks.patch19
1 files changed, 19 insertions, 0 deletions
diff --git a/patches/unapplied/server/0645-Optimize-entity-tracker-passenger-checks.patch b/patches/unapplied/server/0645-Optimize-entity-tracker-passenger-checks.patch
new file mode 100644
index 0000000000..524e1fabfb
--- /dev/null
+++ b/patches/unapplied/server/0645-Optimize-entity-tracker-passenger-checks.patch
@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Andrew Steinborn <[email protected]>
+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 90d2fa5b90d64ddb28075a50f4478b464a29a285..7cdebafd7a9f5606980ae89c8f3823f9ce560a9e 100644
+--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
++++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
+@@ -79,7 +79,7 @@ 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;