Paper/Spigot-Server-Patches/0145-Check-entity-count-additions-and-mark-entities-remov.patch

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From cbda3b924454b5badd57f8dc2550d315ca8441bb Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Fri, 22 Apr 2016 20:34:21 -0500
Subject: [PATCH] Check entity count additions and mark entities removed
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 5c1685d..88f8ab8 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -661,6 +661,12 @@ public class Chunk {
k = this.entitySlices.length - 1;
}
+ // Paper start - Try to catch plugins doing indecent things
+ if (entity.aa && entity.getChunkX() == this.locX && entity.getChunkY() == k && entity.getChunkZ() == this.locZ) {
+ throw new IllegalStateException("Hey Jackass don't do that.");
+ }
+ // Paper end
+
entity.aa = true;
entity.ab = this.locX;
entity.ac = k;
@@ -711,6 +717,7 @@ public class Chunk {
} else if (entity instanceof IInventory) {
inventoryEntityCounts[i]--;
}
+ entity.aa = false; // You aren't added to chunk anymore
// Paper end
// Spigot start - decrement creature type count
// Keep this synced up with World.a(Class)
--
2.8.0