Ensure that the world of a dead entity is not changed in a portal

Spigot-Server-Patches/0213-Do-not-allow-portals-to-move-dead-entities-across-wo.patch

@@ -1,11 +1,11 @@
-From 791a5b0f6feb0c241429bd044f2255ee251c3bc4 Mon Sep 17 00:00:00 2001
+From 9b910d46c99320223dfa35efe4f3453bfa008313 Mon Sep 17 00:00:00 2001
 From: Shane Freeder <theboyetronic@gmail.com>
 Date: Fri, 17 Mar 2017 01:45:15 +0000
-Subject: [PATCH] Fix a duplicate alive entity on second world
+Subject: [PATCH] Do not allow portals to move dead entities across worlds
 
 
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index 0e1d9817b..385329774 100644
+index 0e1d9817..38532977 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
 @@ -2325,7 +2325,7 @@ public abstract class Entity implements ICommandListener {
@@ -39,6 +39,19 @@ index 0e1d9817b..385329774 100644
                  boolean flag = entity.attachedToPlayer;
  
                  entity.attachedToPlayer = true;
+diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
+index a9d59bbf..2d8717f4 100644
+--- a/src/main/java/net/minecraft/server/PlayerList.java
++++ b/src/main/java/net/minecraft/server/PlayerList.java
+@@ -987,7 +987,7 @@ public abstract class PlayerList {
+             worldserver.methodProfiler.b();
+         }
+ 
+-        entity.spawnIn(worldserver1);
++        if (!entity.dead) entity.spawnIn(worldserver1); // Paper - Do not move dead entities
+         // CraftBukkit end
+     }
+ 
 -- 
 2.12.0