Paper/patches/server/0128-Don-t-allow-entities-to-ride-themselves-572.patch
Jake 00be0b7b30 Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
d25437bc Update to Minecraft 1.18-pre8

CraftBukkit Changes:
5a39a236 Update to Minecraft 1.18-pre8

Spigot Changes:
7840c2af Update to Minecraft 1.18-pre8
2021-11-30 19:26:33 +01:00

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1,019 B
Diff

From 0000000000000000000000000000000000000000 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/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 1dba6be93f1078b71712d0b5a24224bdcaeb61a0..0041783c4cc05ce2730f15b4c8c58ff6f1a94f57 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2237,6 +2237,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
}
protected boolean addPassenger(Entity entity) { // CraftBukkit
+ if (entity == this) throw new IllegalArgumentException("Entities cannot become a passenger of themselves"); // Paper - issue 572
if (entity.getVehicle() != this) {
throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
} else {