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-rw-r--r--patches/server/0350-Fix-items-vanishing-through-end-portal.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/patches/server/0350-Fix-items-vanishing-through-end-portal.patch b/patches/server/0350-Fix-items-vanishing-through-end-portal.patch
new file mode 100644
index 0000000000..d3fd369c6d
--- /dev/null
+++ b/patches/server/0350-Fix-items-vanishing-through-end-portal.patch
@@ -0,0 +1,28 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: AJMFactsheets <[email protected]>
+Date: Wed, 22 Jan 2020 19:52:28 -0600
+Subject: [PATCH] Fix items vanishing through end portal
+
+If the Paper configuration option "keep-spawn-loaded" is set to false,
+items entering the overworld from the end will spawn at Y = 0.
+
+This is due to logic in the getHighestBlockYAt method in World.java
+only searching the heightmap if the chunk is loaded.
+
+Quickly loading the exact world spawn chunk before searching the
+heightmap resolves the issue without having to load all spawn chunks.
+
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index c5b1d2e4b577a3f4ad352dc6a8436c04411efa8b..1b546c979d7ebe5f77fe7ad7fc422d94e8181aac 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -3175,6 +3175,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+ if (flag1) {
+ blockposition1 = ServerLevel.END_SPAWN_POINT;
+ } else {
++ // Paper start - Ensure spawn chunk is always loaded before calculating Y coordinate
++ destination.getChunkAt(destination.getSharedSpawnPos());
++ // Paper end
+ blockposition1 = destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, destination.getSharedSpawnPos());
+ }
+ // CraftBukkit start