papermc/Spigot-Server-Patches/0303-Avoid-dimension-id-collisions.patch

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From 1f356bdd9299e51edb45240987e154788130888f Mon Sep 17 00:00:00 2001
From: Brokkonaut <hannos17@gmx.de>
Date: Tue, 25 Sep 2018 06:53:43 +0200
Subject: [PATCH] Avoid dimension id collisions
getDimensionId() returns the dimension id - 1. So without this patch
we would reuse an existing dimension id, if some other dimension was
unloaded before.
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index f36b6424..4289d029 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1001,7 +1001,7 @@ public final class CraftServer implements Server {
boolean used = false;
do {
for (WorldServer server : console.getWorlds()) {
- used = server.getWorldProvider().getDimensionManager().getDimensionID() == dimension;
+ used = server.getWorldProvider().getDimensionManager().getDimensionID() + 1 == dimension; // Paper - getDimensionID returns the dimension - 1, so we have to add 1
if (used) {
dimension++;
break;
--
2.25.1.windows.1