Paper/Spigot-Server-Patches/0195-Don-t-allow-entities-to-ride-themselves-572.patch
Aikar 6745297b05
Only use stored chunk ref if it matches current chunk registration
Closes #1197

While this really undoes a lot of the desired performance gains avoiding chunk lookups,
we sadly have to accept this because we are seeing lots of bugs with entities.
2018-07-08 22:39:46 -04:00

22 lines
908 B
Diff

From 3fa934b4f3d9456a4d9aa78bd013f5d0232dd929 Mon Sep 17 00:00:00 2001
From: Alfie Cleveland <alfeh@me.com>
Date: Sun, 8 Jan 2017 04:31:36 +0000
Subject: [PATCH] Don't allow entities to ride themselves - #572
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 64e566d3a..f75d57c30 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1962,6 +1962,7 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper
}
protected void o(Entity entity) {
+ if (entity == this) throw new IllegalArgumentException("Entities cannot become a passenger of themselves"); // Paper - issue 572
if (entity.bJ() != this) {
throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
} else {
--
2.18.0