Paper/patches/server/0432-Expose-the-Entity-Counter-to-allow-plugins-to-use-va.patch
Owen 89d51d5f29
Allow enabling sand duping (#10191)
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable.

It should be noted that this decision does not promise all future exploits will be configurable.
2024-03-03 17:05:34 -05:00

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1.7 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MeFisto94 <MeFisto94@users.noreply.github.com>
Date: Fri, 28 Aug 2020 01:41:26 +0200
Subject: [PATCH] Expose the Entity Counter to allow plugins to use valid and
non-conflicting Entity Ids
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index f839ab6dea7f1efd59f22bcef91d4e279b1c232a..0281f4c4f7bc609ff7f35dcc8a7c13f6813d6548 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -4411,4 +4411,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
void accept(Entity entity, double x, double y, double z);
}
+
+ // Paper start - Expose entity id counter
+ public static int nextEntityId() {
+ return ENTITY_COUNTER.incrementAndGet();
+ }
+ // Paper end - Expose entity id counter
}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index ef4b15e0ae11a54ec49e40f1d694dae58ae95e03..2bc3d9c02256269845d140764b7b1b201e38b569 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -520,6 +520,11 @@ public final class CraftMagicNumbers implements UnsafeValues {
Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
return compound;
}
+
+ @Override
+ public int nextEntityId() {
+ return net.minecraft.world.entity.Entity.nextEntityId();
+ }
// Paper end
/**