papermc/Spigot-Server-Patches/0196-Don-t-allow-entities-to-ride-themselves-572.patch
2017-06-08 15:17:11 +01:00

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From 4c51ffc698c873bac8524df80f92e891660e09ba 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 cd2220b63..ba0bf2ee2 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1932,6 +1932,7 @@ public abstract class Entity implements ICommandListener {
}
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 {
--
2.13.1