Paper/Spigot-Server-Patches/0385-Fix-nether-portal-crea...

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Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Michael Himing <mhiming@gmail.com>
Date: Mon, 9 Sep 2019 13:21:17 +1000
Subject: [PATCH] Fix nether portal creation
diff --git a/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java b/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java
index 60330f753fcbdef679a9444c3888f1656b2fa344..c22dbbfbe8b16d4c2f1df1f9efd3b06e330ac909 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java
@@ -38,6 +38,11 @@ public class BlockStateListPopulator extends DummyGeneratorAccess {
@Override
public boolean setTypeAndData(BlockPosition position, IBlockData data, int flag) {
+ // Paper start
+ // When a LinkedHashMap entry is overwritten, it keeps its old position. Removing the entry here before adding
+ // a new one ensures that the nether portal blocks are placed last and are not destroyed by physics.
+ list.remove(position);
+ // Paper end
CraftBlockState state = CraftBlockState.getBlockState(world, position, flag);
state.setData(data);
list.put(position, state);